BOE Technology Group Co., Ltd. patent applications published on December 14th, 2023

Patent applications for BOE Technology Group Co., Ltd. on December 14th, 2023

LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND DISPLAY DEVICE (17311827)

Main Inventor

Xinlei WANG

Brief explanation

The present disclosure describes a light guide plate for a display panel, which includes a light-entering surface, a light-exiting surface, and a bottom surface. The light guide plate has a central region corresponding to the active display area of the panel and a peripheral region corresponding to the non-display area.

• The peripheral region of the light guide plate has a smaller thickness than the central region.
• The light guide plate allows light to propagate inside it in a specific direction and exit in another direction.
• The disclosure also includes a backlight module and a display device incorporating this light guide plate.

Potential applications of this technology:

• Display panels in electronic devices such as smartphones, tablets, and televisions.
• Signage and advertising displays.
• Automotive displays and instrument clusters.

Problems solved by this technology:

• Provides uniform and efficient distribution of light across the display panel.
• Reduces the thickness and weight of the light guide plate, making it suitable for slim and lightweight devices.
• Enhances the overall brightness and image quality of the display.

Benefits of this technology:

• Improved energy efficiency due to better light transmission.
• Enables thinner and lighter display devices.
• Enhances the visual experience with brighter and more vibrant displays.

Abstract

The present disclosure provides a light guide plate, including a light-entering surface, a light-exiting surface adjacent to the light-entering surface, and a bottom surface arranged opposite to the light-exiting surface. The light guide plate includes a central region corresponding to an active display region of a display panel and a peripheral region corresponding a non-display region of the display panel in a first direction, the peripheral region includes a first peripheral region at a side adjacent to the light-entering surface, at least the first peripheral region of the peripheral region has a thickness smaller than the central region in a second direction, the first direction is a direction in which light is propagated inside the light guide plate, and the second direction is a direction in which the light exits the light guide plate. The present disclosure further provides a backlight module and a display device.

DISPLAY PANEL, DISPLAY MODULE AND DISPLAY DEVICE (18014189)

Main Inventor

Jianyun XIE

Brief explanation

The patent application describes a display panel, module, and device that utilize a liquid crystal layer and conductive layers between two base substrates. The innovation includes the distribution of heating elements within the conductive layers.

• The display panel consists of two base substrates arranged opposite to each other.
• A liquid crystal layer and multiple conductive layers are positioned between the base substrates.
• The conductive layers contain a plurality of heating elements.
• The heating elements are distributed within at least one of the conductive layers.

Potential Applications

This technology can be applied in various fields, including:

• Consumer electronics: The display panel can be used in smartphones, tablets, laptops, and televisions.
• Automotive industry: The technology can be integrated into car displays and infotainment systems.
• Medical devices: The display panel can be utilized in medical equipment such as monitors and diagnostic devices.

Problems Solved

The technology addresses several challenges in display technology, such as:

• Improved visibility: The heating elements help prevent fogging or condensation on the display, ensuring clear visibility in different environments.
• Enhanced performance: The distribution of heating elements allows for more efficient and uniform heating, reducing power consumption and improving overall display performance.
• Extended lifespan: By preventing moisture-related damage, the technology helps prolong the lifespan of the display panel.

Benefits

The innovation offers several benefits, including:

• Clear visibility: The heating elements prevent fogging or condensation, ensuring a clear and unobstructed view on the display.
• Energy efficiency: The distribution of heating elements enables more efficient heating, reducing power consumption and increasing energy efficiency.
• Durability: By protecting against moisture-related damage, the technology enhances the durability and lifespan of the display panel.

Abstract

A display panel, a display module and a display device, and relates to the field of display technology and includes: a first base substrate and a second base substrate arranged oppositely; a liquid crystal layer and a plurality of conductive layers, wherein the liquid crystal layer and the plurality of conductive layers are located between the first base substrate and the second base substrate; and a plurality of heating elements, wherein the plurality of heating elements are distributed in at least one of the conductive layers.

LIGHT EMITTING MODULE AND DISPLAY MODULE (17768319)

Main Inventor

Enliang ZHANG

Brief explanation

The abstract describes a light emitting module and a display module that includes a light source assembly with light sources located on a substrate. The substrate has a first area surrounding a second area, and the light emitting surfaces of the light sources in the first area are inclined towards the second area. This design allows the light emitted by the light sources at the edge to be directed towards the center of the module, reducing light leakage and improving display quality.

• The light emitting module includes a light source assembly with light sources located on a substrate.
• The substrate has a first area surrounding a second area.
• The light emitting surfaces of the light sources in the first area are inclined towards the second area.
• This design reduces light leakage at the edge of the module.
• The directed light improves the display quality.

Potential Applications

This technology can be applied in various display devices, such as televisions, computer monitors, and mobile devices.

Problems Solved

1. Light leakage at the edge of the light emitting module. 2. Reduced display quality due to uneven light distribution.

Benefits

1. Improved display quality. 2. Reduced light leakage. 3. Enhanced viewing experience.

Abstract

A light emitting module and a display module. The light emitting module includes a light source () assembly (); the light source () assembly () includes a substrate () and light sources (), and the light sources () are located on the substrate (). The substrate () includes a first area (Q) and a second area (Q), the first area (Q) surrounds the second area (Q), and the light emitting surfaces of the light sources () located in the first area (Q) are inclined and face the second area (Q). With the light emitting module, the light emitted by the light sources () located at the edge can be inclined toward the center of the light emitting module, which can reduce the light at the edge of the light emitting module, thereby reducing the light leakage phenomenon at the edge of the light emitting module, which is beneficial to improve the display quality.

LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE (18456522)

Main Inventor

Hui LI

Brief explanation

The abstract describes a liquid crystal display panel that consists of an array substrate and an opposite substrate. The array substrate has a multi-layer structure with a pixel electrode layer and protrusions in the non-display region. The opposite substrate includes a common electrode layer. The protrusions have a structure with at least one film located in a layer of the array substrate.

• The liquid crystal display panel has a display region and a non-display region.
• The array substrate is multi-layered and includes a pixel electrode layer.
• Protrusions are present in the non-display region of the array substrate.
• The opposite substrate includes a common electrode layer.
• The protrusions have a structure with at least one film located in a layer of the array substrate.

Potential Applications

• Liquid crystal display panels can be used in various electronic devices such as televisions, computer monitors, smartphones, and tablets.
• This technology can be applied in industries that require high-quality displays, such as medical imaging, automotive displays, and gaming.

Problems Solved

• The multi-layer structure of the array substrate and the presence of protrusions help improve the overall performance and functionality of the liquid crystal display panel.
• The inclusion of the common electrode layer in the opposite substrate enhances the display quality and efficiency.

Benefits

• The multi-layer structure and protrusions contribute to better image quality, contrast, and color accuracy in the display region.
• The common electrode layer improves the overall performance and efficiency of the liquid crystal display panel.
• This technology allows for the production of high-quality and reliable liquid crystal display panels for various electronic devices.

Abstract

A liquid crystal display panel includes an array substrate and an opposite substrate that are disposed opposite to each other; the liquid crystal display panel has a display region and at least one non-display region disposed beside the display region. The array substrate is of a multi-layer structure and includes a pixel electrode layer and a plurality of protrusions disposed in the at least one non-display region, and the opposite substrate includes a common electrode layer. A protrusion has a structure including at least one film, and a film of the at least one film is located in a layer included in the array substrate.

LIQUID CRYSTAL LENS, DISPLAY DEVICE AND DRIVING METHOD THEREFOR (18032226)

Main Inventor

Zhongxiao LI

Brief explanation

The abstract describes a liquid crystal lens that includes two substrates, a liquid crystal layer with multiple lens units, and electrodes to drive the rotation of liquid crystal molecules and adjust the curvature of the lens units. It also includes a planar layer to smooth the electric field and a light-shielding layer.

• The liquid crystal lens has a first and second substrate.
• It includes a liquid crystal layer with multiple lens units.
• The lens units are driven by an electric field created by a first and second electrode.
• The first electrode has independent sub-electrodes at adjacent positions of adjacent lens units.
• The second electrode is a planar electrode.
• A first planar layer is present to smooth the electric field intensity variation curve.
• A light-shielding layer is located between the substrates.

Potential Applications

• Camera lenses
• Microscopes
• Telescopes
• Virtual reality headsets
• Augmented reality displays

Problems Solved

• Allows for adjustable curvature of the lens units.
• Provides a smooth electric field for improved performance.
• Offers light-shielding to prevent unwanted light transmission.

Benefits

• Improved image quality and focus control.
• Versatile and adaptable lens curvature.
• Enhanced user experience in various optical devices.
• Reduction in unwanted light interference.

Abstract

A liquid crystal lens liquid crystal lens includes: a first substrate and a second substrate; a liquid crystal layer including a plurality of liquid crystal lens units; a first electrode including a plurality of independent sub-electrodes, and there are sub-electrodes at adjacent positions of adjacent liquid crystal lens units; a second electrode being a planar electrode, the first electrode and the second electrode are configured to form an electric field to drive liquid crystal molecules of the liquid crystal layer to rotate, and adjust the curvature of the liquid crystal lens units; a first planar layer located on the side of the first electrode facing the liquid crystal layer, the first planar layer being configured to smooth an intensity variation curve of the electric field of the liquid crystal lens units; and a light-shielding layer located between the first substrate and the second substrate.

TOUCH SUBSTRATE AND TOUCH DISPLAY DEVICE (18032791)

Main Inventor

Xiaodong XIE

Brief explanation

The patent application describes a touch substrate and touch display device that includes a base substrate, first touch electrodes, second touch electrodes, and floating electrodes. The floating electrodes are arranged on the same layer as the first or second touch electrodes and are insulated from them. Each floating electrode has a grid shape and is disconnected at certain points.

• The touch substrate includes a base substrate, first touch electrodes, second touch electrodes, and floating electrodes.
• The first touch electrodes are located on the base substrate.
• The second touch electrodes are located on a layer facing away from the base substrate and are insulated from the first touch electrodes.
• The floating electrodes are insulated from both the first and second touch electrodes and are arranged on the same layer as one of them.
• Each floating electrode has a grid shape and is disconnected at certain points.

Potential applications of this technology:

• Touchscreen devices such as smartphones, tablets, and laptops.
• Interactive displays in public spaces, such as information kiosks or digital signage.
• Gaming consoles and controllers.
• Automotive touchscreens and infotainment systems.

Problems solved by this technology:

• Improved touch sensitivity and accuracy.
• Reduction of false touches or unintended inputs.
• Enhanced durability and resistance to wear and tear.
• Simplified manufacturing process for touch substrates.

Benefits of this technology:

• Enhanced user experience with more precise and responsive touch input.
• Increased reliability and longevity of touchscreens.
• Cost-effective production of touch substrates.
• Versatility in design and implementation of touch displays.

Abstract

A touch substrate () and a touch display device. The touch substrate () includes: a base substrate (); a plurality of first touch electrodes () located on the base substrate (); a plurality of second touch electrodes () located on a side, facing away from the base substrate (), of a layer where the first touch electrodes () are located and insulated from the first touch electrodes (); and a plurality of floating electrodes () insulated from the plurality of first touch electrodes () and the plurality of second touch electrodes (), and arranged on the same layer as at least one of the first touch electrodes () or the second touch electrodes (). Each floating electrode () has a grid shape, and at least part of the floating electrodes () is disconnected at at least part of dots.

TOUCH SUBSTRATE AND TOUCH DISPLAY DEVICE (18456372)

Main Inventor

Jun YAN

Brief explanation

The patent application describes a touch substrate and touch display device with a touch region and a notch region. It includes a first notch touch electrode, a touch-driving connection line, and multiple second touch electrodes, including a second disconnection touch electrode. The touch substrate also has a bridge line and a shielding line.

• The touch substrate has a touch region and a notch region.
• It includes a first notch touch electrode that extends to the notch region.
• A touch-driving connection line is connected to the first notch touch electrode.
• The touch substrate also has multiple second touch electrodes, including a second disconnection touch electrode.
• The second disconnection touch electrode has a first sub portion and a second sub portion.
• A bridge line connects the first sub portion and the second sub portion.
• A shielding line is also present in the touch substrate.
• The orthographic projection of the shielding line on the base substrate is between the orthographic projection of the bridge line and the touch-driving connection line on the base substrate.

Potential applications of this technology:

• Touchscreen devices such as smartphones, tablets, and laptops.
• Interactive displays in public spaces like museums, airports, and shopping malls.
• Industrial control panels and touch-sensitive surfaces in automotive interiors.

Problems solved by this technology:

• Provides a touch substrate design that allows for a notch region while maintaining touch functionality.
• Enables the connection of multiple touch electrodes, including disconnection touch electrodes.
• Ensures proper electrical connections and shielding to prevent interference.

Benefits of this technology:

• Allows for the integration of a notch region without sacrificing touch functionality.
• Provides flexibility in touch electrode design and layout.
• Ensures reliable touch performance and minimizes interference.

Abstract

A touch substrate and a touch display device are provided. The touch substrate includes a touch region and a notch region, a first notch touch electrode extending to the notch region, the touch substrate further includes a touch-driving connection line connected to the first notch touch electrode, the plurality of second touch electrodes includes at least one second disconnection touch electrode, each of the at least one second disconnection touch electrode includes a first sub portion and a second sub portion, the touch substrate further includes a bridge line and a shielding line, the bridge line connects the first sub portion and the second sub portion, an orthographic projection of at least a part of the shielding line on the base substrate is between an orthographic projection of the bridge line on the base substrate and an orthographic projection of the touch-driving connection line on the base substrate.

COMPUTER-IMPLEMENTED IMAGE-PROCESSING METHOD, IMAGE-ENHANCING CONVOLUTIONAL NEURAL NETWORK, AND COMPUTER PRODUCT (17434729)

Main Inventor

Dan Zhu

Brief explanation

The abstract describes a computer-implemented image-processing method that involves enhancing the sharpness of an image using a convolutional neural network. The method includes obtaining a pair of training samples, one with a lower degree of sharpness (training image) and the other with a higher degree of sharpness (reference image). The training image is inputted into the image-enhancing convolutional neural network to generate an enhanced image. The enhanced image is then processed by an edge detector to generate multiple edge maps. The same process is repeated with the reference image. Finally, parameters in the neural network are adjusted to minimize the losses in both the generated edge maps and the reference image.

• Obtaining a pair of training samples with different degrees of sharpness
• Inputting the training image into a convolutional neural network for enhancement
• Using an edge detector to generate edge maps from the enhanced image and reference image
• Tuning parameters in the neural network to minimize losses in the edge maps and reference image

Potential Applications

• Image enhancement for various purposes such as photography, medical imaging, and surveillance
• Improving the quality and clarity of images in real-time video processing
• Enhancing the sharpness of images in computer vision applications like object detection and recognition

Problems Solved

• Overcoming the limitations of traditional image enhancement techniques by using a convolutional neural network
• Addressing the challenge of enhancing image sharpness while preserving image content and reducing artifacts
• Providing a method to automatically adjust parameters in the neural network for optimal image enhancement

Benefits

• Improved image sharpness and clarity for better visual perception and analysis
• Automation of the image enhancement process, reducing the need for manual adjustments
• Potential for real-time image enhancement in various applications

Abstract

A computer-implemented image-processing method is provided. The computer-implemented image-processing method includes obtaining a pair of training samples including a training image having a first degree of sharpness and a reference image having a second degree of sharpness, the second degree greater than the first degree, at least portions of the training image and the reference image in a same pair having same contents; inputting the training image to the image-enhancing convolutional neural network to generate a training enhanced image; inputting the training enhanced image into an edge detector; generating, by the edge detector, a plurality of first edge maps; inputting the reference image into the edge detector; generating, by the edge detector, a plurality of second edge maps; and tuning parameters in the image-enhancing convolutional neural network to minimize at least the one or more first losses and a second loss.

METHOD FOR MEASURING ACTUAL AREA OF DEFECT, AND METHOD AND APPARATUS FOR TESTING DISPLAY PANEL (18033774)

Main Inventor

Wangqiang HE

Brief explanation

The patent application describes a method and apparatus for accurately measuring the actual area of a defect in a display panel. This is achieved by acquiring a measurement image of the display panel, determining the area of defect pixels and the size of reference object pixels in the measurement image, and using this information along with the actual size of the reference object to determine the actual area of the defect.

• The method involves acquiring a measurement image of a display panel with a defect region.
• The area of defect pixels in the measurement image is determined.
• The size of reference object pixels in the measurement image is determined.
• The actual area of the defect in the display panel is determined using the area of defect pixels, size of reference object pixels, and the actual size of the reference object.

Potential Applications

• Quality control in the manufacturing of display panels.
• Defect analysis and characterization in display panels.
• Improving the accuracy of defect measurements in display panels.

Problems Solved

• Accurately measuring the actual area of defects in display panels.
• Providing a method to determine the size of reference object pixels in a measurement image.
• Enhancing the efficiency and reliability of defect analysis in display panels.

Benefits

• Improved accuracy in measuring defect areas, leading to better quality control.
• Time and cost savings in defect analysis and characterization.
• Enhanced efficiency and reliability in the testing of display panels.

Abstract

A method and apparatus for measuring the actual area of a defect, and a method and apparatus for testing a display panel. The method for measuring the actual area of a defect includes: acquiring a measurement image of a display panel, wherein the measurement image has a defect region; according to the measurement image, determining the area of defect pixels of the defect in the measurement image and determining the size of reference object pixels of a reference object in the measurement image; and according to the area of the defect pixels, the size of the reference object pixels and the actual size of the reference object, determining the actual area of the defect in the display panel.

GATE DRIVING CIRCUIT, METHOD FOR DRIVING GATE DRIVING CIRCUIT AND DISPLAY PANEL (18457637)

Main Inventor

Qiujie Su

Brief explanation

The abstract describes a gate driving circuit that consists of N stages of cascaded shift registers, divided into at least one group of K stages. Each stage of the shift register is connected to receive a specific clock signal. The input signal terminal of a stage is connected to the output signal terminal of the previous stage, and the reset signal terminals of two consecutive stages are connected to the output signal terminal of a different stage.

• The gate driving circuit includes N stages of cascaded shift registers.
• The shift registers are divided into at least one group of K stages.
• Each stage of the shift register receives a specific clock signal.
• The input signal terminal of a stage is connected to the output signal terminal of the previous stage.
• The reset signal terminals of two consecutive stages are connected to the output signal terminal of a different stage.

Potential Applications:

• Gate driving circuits are commonly used in electronic devices such as displays, power supplies, and motor control systems.
• This technology can be applied in any application that requires precise timing and control of signals.

Problems Solved:

• The gate driving circuit provides a systematic and efficient way to control and synchronize signals in electronic devices.
• It eliminates the need for complex and manual signal routing.

Benefits:

• The cascaded shift registers allow for easy expansion and scalability of the gate driving circuit.
• The specific clock signal assignment ensures accurate and synchronized signal control.
• The connection of input and reset signal terminals simplifies the circuit design and reduces complexity.

Abstract

A gate driving circuit is provided, including N-stages of cascaded shift registers divided into at least one group of K-stages in which a clock signal terminal of a k-th stage of shift register is connected to receive a k-th clock signal, where 1≤k≤K≤N; and an input signal terminal of a n-th stage is connected to an output signal terminal of a (n−i)-th stage, and reset signal terminals of the n-th and (n+1)-th stages are connected to an output signal terminal of a (n+j)-th stage, where 1<n<N, (K−2)/2≤i≤K/2, and K/2<j≤K−2. K=12, the input signal terminal of the n-th stage is connected to an output signal terminal of a (n−6)-th stage, and the reset signal terminals of the n-th stage and the (n+1)-th stage are connected to an output signal terminal of a (n+8)-th stage or a (n+10) stage.

PIXEL CIRCUIT, DISPLAY PANEL AND DISPLAY APPARATUS (18452795)

Main Inventor

Li WANG

Brief explanation

The present disclosure describes a pixel circuit, display panel, and display apparatus. The pixel circuit includes a data writing transistor, a drive transistor, a compensation circuit, and a light emitting control circuit. 

• The gate of the data writing transistor is connected to a first scan line, and its first electrode is connected to a data line. The second electrode of the data writing transistor is connected to the first electrode of the drive transistor.
• The compensation circuit is connected to the gate of the drive transistor.
• The light emitting control circuit is connected to a first power signal line, the first electrode and second electrode of the drive transistor, and the first electrode of a light emitting device.
• The compensation circuit and the first power signal line partially overlap when projected onto the base substrate.

Potential applications of this technology:

• Display panels for electronic devices such as smartphones, tablets, and televisions.
• Virtual reality (VR) and augmented reality (AR) headsets.
• Automotive displays and infotainment systems.

Problems solved by this technology:

• Improved pixel circuit design for better display performance.
• Compensation circuit helps in maintaining uniformity and stability of the display.
• Efficient power management for the light emitting device.

Benefits of this technology:

• Enhanced image quality and color accuracy.
• Reduced power consumption and improved battery life.
• Higher reliability and stability of the display.

Abstract

The present disclosure provides a pixel circuit, a display panel and a display apparatus. A gate of a data writing transistor is electrically connected with a first scan line, a first electrode of the data writing transistor is electrically connected with a data line, and a second electrode of the data writing transistor is electrically connected with a first electrode of a drive transistor; a compensation circuit is electrically connected with the gate of the drive transistor; and a light emitting control circuit is electrically connected with a first power signal line, the first electrode and the second electrode of the drive transistor, and a first electrode of a light emitting device, respectively; an orthographic projection of the compensation circuit on a base substrate partial overlaps with an orthographic projection of the first power signal line on the base substrate.

PIXEL CIRCUIT AND DRIVING METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY APPARATUS (18358706)

Main Inventor

Fangzhen ZHANG

Brief explanation

The abstract describes a pixel circuit that consists of driving transistors and gating sub-circuits. The driving transistors can produce different driving currents based on a control signal. The gating sub-circuits are connected to selection signal terminals, scanning signal terminals, driving transistors, and light-emitting devices. They are designed to transmit the driving current from the connected driving transistor to the light-emitting device when turned on by a scanning signal and a selection signal.

• The pixel circuit includes multiple driving transistors that can generate different driving currents.
• Each gating sub-circuit is connected to a selection signal terminal, scanning signal terminal, driving transistor, and light-emitting device.
• The gating sub-circuits can be activated by a scanning signal and a selection signal to transmit the driving current to the light-emitting device.
• During a frame period, one of the selection signal terminals outputs a selection signal to activate a specific gating sub-circuit.

Potential applications of this technology:

• Display panels: The pixel circuit can be used in display panels, such as LCD or OLED screens, to control the brightness and color of individual pixels.
• Image sensors: The pixel circuit can be applied in image sensors to capture and process light signals, improving the overall image quality.
• LED lighting: The technology can be utilized in LED lighting systems to regulate the intensity and color of individual LEDs, enabling more precise control and energy efficiency.

Problems solved by this technology:

• Precise control: The pixel circuit allows for precise control of driving currents, enabling accurate adjustment of brightness and color in display panels or LED lighting.
• Power efficiency: By providing different driving currents, the circuit can optimize power consumption and reduce energy waste.
• Integration: The circuit design allows for integration into various devices, making it suitable for different applications in the field of displays and lighting.

Benefits of this technology:

• Enhanced image quality: The pixel circuit's ability to control driving currents improves image quality by providing accurate brightness and color reproduction.
• Energy efficiency: The optimized power consumption of the circuit contributes to energy efficiency and longer battery life in portable devices.
• Versatility: The circuit's integration capabilities make it adaptable to different display technologies and lighting systems, enhancing its versatility and applicability.

Abstract

A pixel circuit includes a plurality of driving transistors and a plurality of gating sub-circuits. The plurality of driving transistors are configured to output different driving currents under control of a received control signal. Each gating sub-circuit is electrically connected to a respective selection signal terminal, a scanning signal terminal, a respective driving transistor and a light-emitting device, and is configured to be turned on under control of a scanning signal from the scanning signal terminal and a selection signal from the selection signal terminal to transmit a driving current from the connected driving transistor to the light-emitting device. Within a frame period, one of a plurality of selection signal terminals respectively electrically connected to the plurality of gating sub-circuits outputs a selection signal.

DISPLAY SUBSTRATE AND DISPLAY DEVICE (18033851)

Main Inventor

Yuanyou QIU

Brief explanation

The patent application describes a display substrate and device that includes different types of light emitting devices and pixel driving circuits. The first light emitting devices are located in a first display area, while the second light emitting devices are in a second display area. The first pixel driving circuits are connected to the first light emitting devices, and the second pixel driving circuits are connected to the second light emitting devices.

• The display substrate includes first and second light emitting devices in different display areas.
• The first pixel driving circuits are connected to the first light emitting devices.
• The second pixel driving circuits overlap with and are connected to the second light emitting devices.
• At least one of the second pixel driving circuits has a gate connection electrode.
• Connection leads are included in the display substrate, which are connected to the first pixel driving circuits and first light emitting devices.
• The connection leads and the gate connection electrode do not overlap when projected onto the base substrate.

Potential applications of this technology:

• Consumer electronics such as smartphones, tablets, and televisions.
• Automotive displays for infotainment systems and instrument clusters.
• Wearable devices like smartwatches and augmented reality glasses.

Problems solved by this technology:

• Efficiently driving different types of light emitting devices in a display.
• Minimizing overlap and interference between connection leads and gate connection electrodes.

Benefits of this technology:

• Improved display performance and image quality.
• Enhanced reliability and durability of the display substrate.
• Simplified manufacturing process for display devices.

Abstract

A display substrate and a display device, the display substrate including first light emitting devices in a first display area, second light emitting devices in a second display area, first pixel driving circuits and second pixel driving circuits, the first pixel driving circuits and the first light emitting devices are correspondingly electrically connected, the second pixel driving circuits at least partially overlap with and are correspondingly electrically connected to the second light emitting devices, and at least one of the second pixel driving circuits has a gate connection electrode. The display substrate further includes connection leads, each of at least some of the connection leads is electrically connected to at least one first pixel driving circuit and one first light emitting device, and orthographic projections of the connection leads and the gate connection electrode on a base substrate do not overlap with each other.

INFORMATION PROCESSING METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM (18033807)

Main Inventor

Xiangye WEI

Brief explanation

The patent application describes a data processing method that involves using a physical unclonable function to generate a response sequence based on challenge-response pairs. The method includes several steps:

• Obtaining a challenge sequence of challenge-response pairs.
• Generating an original response sequence using a physical unclonable function.
• Generating a first index parameter based on the challenge sequence.
• Obtaining feature bit information from the original response sequence using the first index parameter.
• Converting the challenge sequence to generate a second index parameter.
• Updating the first index parameter based on the second index parameter and the feature bit information.
• Obtaining new feature bit information from the original response sequence using the updated first index parameter.
• Repeatedly generating second index parameters, updating the first index parameter, and obtaining multiple pieces of feature bit information.
• Generating a target response sequence based on the multiple pieces of feature bit information.

Potential applications of this technology:

• Authentication systems: The method can be used to securely authenticate users or devices by generating unique response sequences based on challenge-response pairs.
• Anti-counterfeiting measures: The method can be applied to create unique identifiers or codes that can be used to verify the authenticity of products or documents.
• Secure communication: The method can be used to establish secure communication channels by generating response sequences that can only be decrypted by authorized parties.

Problems solved by this technology:

• Cloning prevention: The use of a physical unclonable function helps prevent unauthorized replication or cloning of response sequences.
• Secure data processing: The method ensures the integrity and confidentiality of data by generating unique response sequences based on challenge-response pairs.
• Robust authentication: The method provides a robust authentication mechanism by continuously updating the index parameters and obtaining multiple pieces of feature bit information.

Benefits of this technology:

• Enhanced security: The use of a physical unclonable function and the generation of unique response sequences provide a high level of security against unauthorized access or replication.
• Scalability: The method allows for the generation of multiple pieces of feature bit information, enabling scalability in various applications.
• Flexibility: The method can be adapted to different challenge-response scenarios, making it suitable for a wide range of applications.

Abstract

A data processing method, including: obtaining a challenge sequence of challenge-response pairs, and generating, by a physical unclonable function, an original response sequence corresponding to the challenge-response pairs; generating a first index parameter according to the challenge sequence, and obtaining feature bit information in the original response sequence according to the first index parameter; converting the challenge sequence to generate a second index parameter, and updating the first index parameter according to the second index parameter and the feature bit information; obtaining new feature bit information in the original response sequence according to the updated first index parameter; and repeatedly generating second index parameters, updating the first index parameter according to the second index parameters and the latest obtained feature bit information, and obtaining multiple pieces of feature bit information, to generate a target response sequence according to the multiple pieces of feature bit information.

MIXED REALITY DISPLAY METHOD, MIXED REALITY DEVICE, AND STORAGE MEDIUM (18036379)

Main Inventor

Qianwen JIANG

Brief explanation

The patent application describes a method for displaying mixed reality content using a mixed reality device. Here are the key points:

• The method involves tracking the user's eyeballs using an eyeball tracker after receiving a mixed display signal.
• The gaze point of the user on the display screen is determined based on the tracked eyeballs.
• A sub-display region on the display screen is determined based on the correspondence between the gaze point and the sub-display region.
• An image sensor in an image sensor array is selected based on the correspondence between the sub-display region and the image sensor.
• The selected image sensor is adjusted accordingly.
• The method then superimposes and renders an environment image captured by the image sensor array with a virtual image.
• The resulting mixed reality image is obtained and displayed.

Potential applications of this technology:

• Gaming: The mixed reality display method can be used to enhance gaming experiences by overlaying virtual objects onto the real world.
• Training and Simulation: The method can be utilized in training and simulation scenarios to provide realistic mixed reality environments.
• Design and Visualization: Architects, engineers, and designers can use this technology to visualize and interact with virtual models in real-world settings.

Problems solved by this technology:

• Accurate Gaze Tracking: The method solves the problem of accurately tracking the user's gaze point on the display screen, allowing for precise interaction with mixed reality content.
• Seamless Integration of Real and Virtual Worlds: By superimposing and rendering the environment image and virtual image, the method enables a seamless integration of real and virtual worlds, creating an immersive mixed reality experience.

Benefits of this technology:

• Enhanced User Experience: The method provides an enhanced user experience by combining real-world elements with virtual content, creating a more immersive and interactive environment.
• Improved Precision: The accurate gaze tracking and adjustment of image sensors ensure precise rendering of mixed reality content, improving the overall quality of the experience.
• Versatile Applications: The technology can be applied in various fields, including gaming, training, design, and visualization, offering a wide range of possibilities for its use.

Abstract

Provided are a mixed reality display method, a mixed reality device, and a storage medium. The method includes: after receiving a mixed display signal, tracking the eyeballs of a user by means of an eyeball tracker, and determining a gaze point of the user on a display screen; determining, according to a correspondence between the gaze point and a sub-display region in the display screen, the sub-display region the user gazes; determining at least one first image sensor according to a correspondence between the sub-display region and an image sensor in an image sensor array, and adjusting the at least one first image sensor; and superimposing and rendering an environment image output by the image sensor array and a virtual image, and obtaining and displaying an MR image.

LIGHT-EMITTING DEVICE, DISPLAY PANEL AND DISPLAY APPARATUS (18033494)

Main Inventor

Lihui MA

Brief explanation

The patent application describes a light-emitting device, a display panel, and a display apparatus. The device includes an anode and a cathode arranged opposite to each other, with a light-emitting function layer in between. The light-emitting function layer consists of a light-emitting layer, a first auxiliary function layer between the light-emitting layer and the anode, a second auxiliary function layer between the light-emitting layer and the cathode, and at least one co-doped layer. The co-doped layer is made by mixing materials from the adjacent film layers, where the difference in material physical properties between these film layers is greater than a set value.

• The light-emitting device includes an anode, a cathode, and a light-emitting function layer.
• The light-emitting function layer consists of a light-emitting layer, a first auxiliary function layer, a second auxiliary function layer, and at least one co-doped layer.
• The co-doped layer is formed by mixing materials from the adjacent film layers.
• The difference in material physical properties between the adjacent film layers must exceed a set value.

Potential Applications

• Display panels for electronic devices such as smartphones, tablets, and televisions.
• Lighting applications such as LED displays and signage.
• Medical devices that require precise and efficient light emission.

Problems Solved

• Improved efficiency and performance of light-emitting devices.
• Enhanced control over the light emission process.
• Reduction in manufacturing complexity and cost.

Benefits

• Higher brightness and color accuracy in display panels.
• Improved energy efficiency and longer lifespan of light-emitting devices.
• Simplified manufacturing process and reduced production costs.

Abstract

A light-emitting device, a display panel and a display apparatus are disclosed. The light-emitting device includes an anode and a cathode arranged oppositely, and a light-emitting function layer located between the anode and the cathode; the light-emitting function layer includes a light-emitting layer, a first auxiliary function layer located between the light-emitting layer and the anode, a second auxiliary function layer located between the light-emitting layer and the cathode, and at least one co-doped layer; and a difference in material physical properties between two film layers adjacent to the co-doped layer is greater than a set value, and the co-doped layer includes a material formed by mixing materials of the two adjacent film layers.

DISPLAY PANEL AND DISPLAY DEVICE (18043604)

Main Inventor

Mengmeng Du

Brief explanation

The patent application describes a display panel with a base substrate, a first electrode layer, a pixel defining layer, and a photo spacer layer. It also includes at least one barrier dam and a distribution of first and second photo spacers.

• The display panel has a base substrate with a display region and a peripheral region.
• A first electrode layer, a pixel defining layer, and a photo spacer layer are arranged on the base substrate.
• At least one barrier dam is placed on the base substrate in the peripheral region.
• The photo spacer layer contains first and second photo spacers arranged in an array in the display and peripheral regions.
• The second photo spacer is located between the outer boundary and the barrier dam.
• The density of second photo spacers in the peripheral region is lower than that of the first photo spacers in the display region.

Potential applications of this technology:

• Display panels for electronic devices such as smartphones, tablets, and televisions.
• High-resolution displays for gaming or virtual reality applications.
• Medical imaging displays for accurate visualization of diagnostic images.

Problems solved by this technology:

• Provides improved structural integrity and stability to the display panel.
• Prevents leakage of liquid crystal material in the display region.
• Reduces the risk of damage to the display panel during manufacturing or use.

Benefits of this technology:

• Enhanced display performance with reduced image distortion.
• Increased durability and reliability of the display panel.
• Cost-effective manufacturing process with improved yield rates.

Abstract

A display panel including: a base substrate including a display region and a peripheral region, wherein the display region includes an outer boundary; a first electrode layer, a pixel defining layer and a photo spacer layer sequentially arranged on the base substrate. The display panel further includes at least one barrier dam arranged on the base substrate, which is located on a side of the peripheral region away from the display region in the peripheral region. The photo spacer layer includes a plurality of first photo spacers and second photo spacers respectively arranged in an array in the display region and the peripheral region, and the second photo spacer is located between the outer boundary and the at least one barrier dam. A distribution density of the second photo spacers in the peripheral region is less than that of the first photo spacers in the display region.

DISPLAY SUBSTRATE AND DISPLAY APPARATUS (18033363)

Main Inventor

Yangpeng WANG

Brief explanation

The abstract describes a display substrate that consists of a display area and a non-display area. The display area includes scanning lines and sub-pixels arranged in an array. The display area is divided into a first display area and a second display area, with the first display area located at the periphery of the second display area. The second display area includes a light-transmitting display area and a transition display area, which is positioned on the side face of the light-transmitting display area.

• The display substrate includes a display area and a non-display area.
• The display area consists of scanning lines and sub-pixels arranged in an array.
• The display area is divided into a first display area and a second display area.
• The first display area is located at the periphery of the second display area.
• The second display area includes a light-transmitting display area and a transition display area.
• The transition display area is positioned on the side face of the light-transmitting display area.

Potential Applications

• This display substrate can be used in various electronic devices such as smartphones, tablets, and televisions.
• It can be utilized in augmented reality (AR) and virtual reality (VR) devices to provide immersive visual experiences.
• The display substrate can be applied in automotive displays to enhance driver information and entertainment systems.

Problems Solved

• The division of the display area into a first and second display area allows for more efficient use of the available space.
• The inclusion of a transition display area on the side face of the light-transmitting display area enables seamless transitions between different display modes.
• The display substrate provides improved visibility and clarity of displayed content.

Benefits

• The display substrate offers a larger display area by utilizing the periphery of the second display area.
• The inclusion of a transition display area allows for smooth transitions between different display modes without any interruptions.
• The light-transmitting display area enhances the overall visual experience by providing clear and vibrant images.

Abstract

A display substrate includes a display area and a non-display area that surrounds the display area. The display area includes a plurality of scanning lines extending in a first direction and a plurality of sub-pixels arranged in an array, and the display area includes a first display area and a second display area, wherein the first display area is located at the periphery of the second display area, and the second display area comprises a light-transmitting display area and a transition display area; the transition display area is located on a side face of the light-transmitting display area.

DISPLAY SUBSTRATE, DISPLAY PANEL, AND DISPLAY APPARATUS (18250598)

Main Inventor

Lili DU

Brief explanation

The patent application describes a display substrate with two different display regions, where the first region has higher light transmittance than the second region. The density of light emitting devices is the same in both regions. Each transparent conducting layer includes anode wires that are electrically connected to the anodes of the light emitting devices. The anode wires have two portions, one extending in the column direction and the other in the row direction. The second portion of each anode wire is located between different pairs of adjacent rows of anodes.

• The display substrate has two display regions with different light transmittance levels.
• The density of light emitting devices is the same in both regions.
• The transparent conducting layer includes anode wires that connect to the anodes of the light emitting devices.
• The anode wires have two portions, one in the column direction and the other in the row direction.
• The second portion of each anode wire is positioned between different pairs of adjacent rows of anodes.

Potential Applications

• This technology can be used in various display devices such as televisions, computer monitors, and smartphones.
• It can be applied in automotive displays, wearable devices, and other electronic gadgets that require high-quality visual output.

Problems Solved

• The display substrate addresses the issue of different light transmittance levels in different regions, ensuring consistent brightness and clarity across the entire display.
• The arrangement of anode wires helps in efficient electrical connection and organization of the light emitting devices, improving the overall performance of the display.

Benefits

• The display substrate provides a uniform display quality by controlling the light transmittance in different regions.
• The equal density of light emitting devices ensures consistent brightness and color accuracy.
• The arrangement of anode wires allows for efficient electrical connection and reduces the complexity of the display structure.

Abstract

A display substrate includes a base substrate having a first display region and a second display region. Light transmittance of the first display region is greater than light transmittance of the second display region. Density of first light emitting devices in the first display region is same as density of second light emitting devices in the second display region. Each transparent conducting layer includes first anode wires electrically connected to first anodes of light emitting devices. The first anode wire includes a first portion extending in the column direction and a second portion extending in the row direction. The second portion of one first anode wire electrically connected with one first anode in a row and the second portion of another first anode wire electrically connected with another first anode in the row are located between different pairs of two adjacent rows of first anodes.

DISPLAY PANEL AND DISPLAY DEVICE (18238019)

Main Inventor

Zhiqiang Xu

Brief explanation

The abstract describes a display panel that consists of a base substrate and multiple sub-pixel groups. These sub-pixel groups include a first group with two adjacent sub-pixels separated by a certain distance, and a second group with two adjacent sub-pixels separated by a different distance.

• The display panel is made up of a base substrate and multiple sub-pixel groups.
• Each sub-pixel group consists of two adjacent sub-pixels.
• The first sub-pixel group has a specific distance between the two sub-pixels.
• The second sub-pixel group has a different distance between the two sub-pixels.

Potential applications of this technology:

• High-resolution displays: The different distances between sub-pixels can enhance the resolution and clarity of the display.
• Color accuracy: The arrangement of sub-pixels can improve color accuracy and reproduction on the display.
• Virtual reality and augmented reality: The display panel can provide a more immersive and realistic experience in VR and AR applications.

Problems solved by this technology:

• Improved resolution: The different intervals between sub-pixels can help increase the overall resolution of the display.
• Enhanced color reproduction: The arrangement of sub-pixels can improve the accuracy and vibrancy of colors displayed on the screen.

Benefits of this technology:

• Higher image quality: The display panel can deliver sharper images and more accurate colors.
• Improved visual experience: Users can enjoy a more immersive and realistic visual experience with enhanced resolution and color reproduction.
• Versatile applications: The technology can be applied to various display devices, including TVs, smartphones, tablets, and VR/AR headsets.

Abstract

A display panel includes a base substrate and a plurality of sub-pixel groups. The plurality of sub-pixel groups includes a first sub-pixel group and a second sub-pixel group. The first sub-pixel group includes two adjacent sub-pixels with a first interval therebetween, and the second sub-pixel group includes two adjacent sub-pixels with a second interval therebetween. The first interval is different from the second interval.

OLED DISPLAY SUBSTRATE, METHOD FOR MANUFACTURING THE SAME, AND DISPLAY DEVICE (17915755)

Main Inventor

Hao GAO

Brief explanation

The invention is related to an OLED display substrate and a method for manufacturing the same, as well as a display device. The substrate includes a drive substrate with a light-emitting unit and an encapsulation structure covering the light-emitting unit. The encapsulation structure consists of a first inorganic structure, an organic layer, and a second inorganic structure. The refractive index of the first inorganic structure is higher than that of the organic layer, and the first inorganic structure contains at least one inorganic layer with a thickness not exceeding 500 nm.

• The OLED display substrate is designed to improve the display effect of OLED displays.
• The encapsulation structure includes a first inorganic structure, an organic layer, and a second inorganic structure.
• The first inorganic structure has a higher refractive index than the organic layer.
• The first inorganic structure consists of at least one inorganic layer with a thickness not exceeding 500 nm.

Potential applications of this technology:

• OLED displays in smartphones, tablets, and other electronic devices.
• OLED displays in televisions and computer monitors.
• OLED displays in automotive dashboards and infotainment systems.

Problems solved by this technology:

• Improves the display effect of OLED displays.
• Enhances the visual quality and clarity of images.
• Reduces reflection and glare on the display surface.

Benefits of this technology:

• Improved display quality and visual experience for users.
• Reduced reflection and glare for better readability in various lighting conditions.
• Enhanced efficiency and performance of OLED displays.

Abstract

This invention provides an OLED display substrate, a method for manufacturing the same, and a display device, which belongs to the technical field of displays. The OLED display substrate includes: a drive substrate, the drive substrate being provided with a light-emitting unit; and an encapsulation structure covering the light-emitting unit. The encapsulation structure comprises a first inorganic structure, an organic layer and a second inorganic structure arranged in sequence along a direction away from the drive substrate. A refractive index of the first inorganic structure is higher than a refractive index of the organic layer, the first inorganic structure comprises at least one inorganic layer, and a thickness of one inorganic layer of the at least one inorganic layer is not larger than 500 nm. With the technical solution of this invention, the display effect of the OLED display substrate can be improved.

PATTERNED QUANTUM DOT FILM LAYER, QUANTUM DOT LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD (18033489)

Main Inventor

Haowei WANG

Brief explanation

The patent application describes a method for manufacturing a patterned quantum dot film layer and a quantum dot light-emitting device. Here are the key points:

• The method involves forming a patterned mask layer on a base substrate.
• A quantum dot thin film is then formed on the side of the mask layer facing away from the base substrate. This thin film consists of quantum dot bodies and native ligands connected to the quantum dot bodies.
• A ligand thin film is formed on the side of the quantum dot thin film facing away from the mask layer. This thin film includes replacement ligands.
• The native ligands are replaced by the replacement ligands by allowing the thin film to stand for a certain duration.
• Cleaning is performed using a cleaning solvent to remove any unreacted replacement ligands and replaced native ligands.
• The mask layer is peeled off, along with the quantum dot thin film attached to it.

Potential applications of this technology:

• Quantum dot light-emitting devices: The manufacturing method described can be used to produce quantum dot light-emitting devices with patterned quantum dot film layers. These devices have potential applications in display technologies, lighting, and optoelectronics.

Problems solved by this technology:

• Patterned quantum dot film layers: The method allows for the precise formation of patterned quantum dot film layers, which can be challenging using conventional techniques. This solves the problem of achieving controlled patterning in quantum dot devices.

Benefits of this technology:

• Improved device performance: The precise patterning of quantum dot film layers can lead to improved device performance, such as enhanced color purity and efficiency in quantum dot light-emitting devices.
• Simplified manufacturing process: The method described simplifies the manufacturing process by allowing for the replacement of native ligands with replacement ligands, followed by cleaning and peeling off the mask layer. This reduces the complexity and cost of production.

Abstract

A patterned quantum dot film layer, a quantum dot light-emitting device and a manufacturing method. The manufacturing method includes: forming a patterned mask layer on one side of a base substrate; forming a quantum dot thin film on the side of the mask layer that faces away from the base substrate, the quantum dot thin film includes quantum dot bodies and native ligands connected to the quantum dot bodies; forming, on the side of the quantum dot thin film that faces away from the mask layer, a ligand thin film that includes replacement ligands, and leaving same to stand for a first duration, such that the native ligands are replaced by the replacement ligands; performing cleaning by means of a cleaning solvent, removing unreacted replacement ligands and replaced native ligands; peeling off the mask layer, and removing together the quantum dot thin film attached to the mask layer.

METHOD FOR PATTERNING QUANTUM DOT LAYER (18036383)

Main Inventor

Xiaoyuan ZHANG

Brief explanation

The patent application describes a method for patterning a quantum dot layer on a substrate using a front film layer and a sacrificial layer. One of these layers is hydrophilic and the other is hydrophobic. The process involves forming a photoresist with a through hole on the sacrificial layer, etching the sacrificial layer in the target region, laying a quantum dot material, curing the quantum dots material, and removing the remaining sacrificial layer and photoresist to form a patterned quantum dot layer.

• The method involves stacking a hydrophilic sacrificial layer and a hydrophobic front film layer on a substrate.
• A photoresist with a through hole is formed on the sacrificial layer to define the target region.
• The sacrificial layer is etched in the target region while being shielded by the photoresist.
• A quantum dot material is laid and cured in the target region.
• The remaining sacrificial layer and photoresist are removed, leaving a patterned quantum dot layer in the target region.

Potential Applications

• Quantum dot displays and lighting devices
• Quantum dot solar cells
• Quantum dot sensors and detectors

Problems Solved

• Precise patterning of quantum dot layers on substrates
• Controlling the placement and distribution of quantum dots
• Simplifying the fabrication process for quantum dot devices

Benefits

• Enables the creation of high-resolution and high-performance quantum dot devices
• Provides a cost-effective and efficient method for patterning quantum dot layers
• Allows for customization and optimization of quantum dot device properties

Abstract

A method for patterning a quantum dot layer comprises: forming, on a substrate (), a front film layer and a sacrificial layer () which are stacked in sequence, wherein one of the sacrificial layer and the front film layer is hydrophilic, and the other of the sacrificial layer and the front film layer is hydrophobic; forming a photoresist () having a through hole on the sacrificial layer, wherein the through hole corresponds to a target region, and etching the sacrificial layer in the target region under the shielding of the photoresist; laying a quantum dot material, and curing the quantum dots material of the target region; and removing the remaining sacrificial layer and the photoresist, and forming a patterned quantum dot layer in the target region.