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| − | '''Summary of the patent applications from HKC CORPORATION LIMITED on November 30th, 2023'''
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| − | HKC CORPORATION LIMITED has recently filed several patents related to display panels, driving circuits, and touch panels. These patents aim to improve the performance and functionality of display devices.
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| − | Summary:
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| − | HKC CORPORATION LIMITED has filed multiple patents related to display panels, driving circuits, and touch panels. These patents describe various innovative technologies and methods for improving the performance and functionality of display devices. Notable applications include a display panel with a drive backplane and multiple light-emitting chips, a method for manufacturing a display panel, a lamp bead structure with multiple control lines, a driving substrate for power-saving in display panels, a pixel circuit for controlling light-emitting elements, a pixel driving circuit for efficient display panel driving, a driving substrate for a light-emitting unit, a driving circuit with compensation signals, and a touch panel with multiple touch channels and crossing units.
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| − | Notable Applications:
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| − | * Display panel with drive backplane and multiple light-emitting chips.
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| − | * Method for manufacturing a display panel with a driving circuit layer.
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| − | * Lamp bead structure connected to multiple control lines.
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| − | * Driving substrate for power-saving in display panels.
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| − | * Pixel circuit for controlling light-emitting elements.
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| − | * Pixel driving circuit for efficient display panel driving.
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| − | * Driving substrate for a light-emitting unit.
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| − | * Driving circuit with compensation signals.
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| − | * Touch panel with multiple touch channels and crossing units.
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| | ==Patent applications for HKC CORPORATION LIMITED on November 30th, 2023== | | ==Patent applications for HKC CORPORATION LIMITED on November 30th, 2023== |
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| | Xiaogang HU | | Xiaogang HU |
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| − | '''Brief explanation'''
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| − | The patent application describes a display device that includes a backlight module, a display panel, a first support structure, a printed circuit board (PCB), and a flexible circuit board (FCB).
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| − | * The display panel is placed on the light-emitting side of the backlight module and consists of a first substrate and a second substrate.
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| − | * The first substrate is positioned between the second substrate and the backlight module.
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| − | * The second substrate extends beyond the first substrate to form an extension portion.
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| − | * A first support structure is located on the side of the backlight module and is designed to support the extension portion of the second substrate.
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| − | * A printed circuit board (PCB) is placed on the first support structure.
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| − | * A flexible circuit board (FCB) is electrically connected to both the display panel and the PCB.
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| − |
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| − | '''Abstract'''
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| − | A display device is provided in the disclosure. The display device includes a backlight module, a display panel, a first support structure, a printed circuit board (PCB), and a flexible circuit board (FCB). The display panel is disposed on a light-emitting side of the backlight module and includes a first substrate and a second substrate. The first substrate is located between the second substrate and the backlight module. The second substrate extends beyond the first substrate from a side of the second substrate to form an extension portion. The first support structure is disposed on a side of the backlight module and configured to support the extension portion. The PCB is disposed on the first support structure. The FCB is electrically connected to the display panel and the PCB.
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| | ===ARRAY SUBSTRATE AND DISPLAY PANEL ([[US Patent Application 18067933. ARRAY SUBSTRATE AND DISPLAY PANEL simplified abstract|18067933]])=== | | ===ARRAY SUBSTRATE AND DISPLAY PANEL ([[US Patent Application 18067933. ARRAY SUBSTRATE AND DISPLAY PANEL simplified abstract|18067933]])=== |
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| | Hong HU | | Hong HU |
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| − | '''Brief explanation'''
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| − | The patent application describes an array substrate with a first substrate, a driver layer, and a transparent electrode layer.
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| − | * The transparent electrode layer is insulated from the driver layer and is located away from the first substrate.
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| − | * The driver layer includes a data line.
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| − | * The transparent electrode layer consists of multiple electric field generating patterns arranged in an array and an electric field shielding pattern placed between adjacent columns of electric field generating patterns.
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| − | * The electric field generating pattern includes common electrode bars and pixel electrode bars arranged alternately in a row direction with a gap between them.
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| − | * The electric field shielding pattern is separate from the electric field generating pattern and is used to write the same common potential as the common electrode bar.
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| − | * The electric field shielding pattern covers the data line.
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| − | '''Abstract'''
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| − | An array substrate includes a first substrate, a driver layer and a transparent electrode layer. The transparent electrode layer is provided at a side of the driver layer away from the first substrate in an insulating manner. The driver layer includes a data line. The transparent electrode layer includes a plurality of electric field generating patterns arranged in an array and an electric field shielding pattern located between adjacent two columns of electric field generating patterns. The electric field generating pattern includes a plurality of common electrode bars and a plurality of pixel electrode bars alternately arranged in a row direction and provided with a first gap therebetween. The electric field shielding pattern is spaced from the electric field generating pattern and is used for writing the same common potential as the common electrode bar. The electric field shielding pattern covers the data line.
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| | ===TOUCH PANEL AND DISPLAY MODULE ([[US Patent Application 18066819. TOUCH PANEL AND DISPLAY MODULE simplified abstract|18066819]])=== | | ===TOUCH PANEL AND DISPLAY MODULE ([[US Patent Application 18066819. TOUCH PANEL AND DISPLAY MODULE simplified abstract|18066819]])=== |
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| | Wang LI | | Wang LI |
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| − | '''Brief explanation'''
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| − | The patent application describes a touch panel and a display module.
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| − | * The touch panel includes a substrate with a touch area.
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| − | * The touch area has a first touch channel and a second touch channel.
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| − | * The second touch channel is insulated from the first touch channel.
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| − | * The second touch channel consists of at least two second electrode units spaced in a second direction.
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| − | * The first direction intersects the second direction.
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| − | * The first touch channel is located between two adjacent second electrode units and insulated from them.
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| − | * The touch panel also includes a crossing unit on the substrate, positioned between two adjacent second electrode units.
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| − | * The crossing unit is insulated from the first touch channel.
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| − | * An electrical connection bridge is used to connect the two second electrode units on both sides of the crossing unit to the crossing unit.
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| − | '''Abstract'''
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| − | Disclosed are a touch panel and a display module. The touch panel includes a substrate provided with a touch area, which is provided with a first touch channel and a second touch channel, the second touch channel is insulated from the first touch channel, the second touch channel includes at least two second electrode units spaced in a second direction, the first direction intersects the second direction, the first touch channel is provided between two adjacent second electrode units and insulated from two adjacent second electrode units, the touch panel further includes a crossing unit provided on the substrate and provided between two adjacent second electrode units, the crossing unit is insulated from the first touch channel; and an electrical connection bridge is configured to electrically connect the two second electrode units on both sides of the crossing unit to the crossing unit.
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| | ===DISPLAY PANEL, DRIVING CIRCUIT AND DRIVING METHOD ([[US Patent Application 18078044. DISPLAY PANEL, DRIVING CIRCUIT AND DRIVING METHOD simplified abstract|18078044]])=== | | ===DISPLAY PANEL, DRIVING CIRCUIT AND DRIVING METHOD ([[US Patent Application 18078044. DISPLAY PANEL, DRIVING CIRCUIT AND DRIVING METHOD simplified abstract|18078044]])=== |
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| | ZEYAO LI | | ZEYAO LI |
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| − | '''Brief explanation'''
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| − | The patent application describes a display panel, a driving circuit, and a driving method.
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| − | * The driving circuit includes multiple sub-pixels arranged in an array.
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| − | * Sub-pixels in two adjacent columns are connected to the same detection line for detecting the driving current of any sub-pixel in the two adjacent columns.
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| − | * Each driving current determines a compensation signal for two adjacent sub-pixels.
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| − | * The compensation signal is used to compensate the data driving signals of the corresponding two adjacent sub-pixels during displaying operations.
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| − | '''Abstract'''
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| − | The present disclosure provides a display panel, a driving circuit and a driving method. The driving circuit includes a plurality of sub-pixels arranged in an array, wherein sub-pixels in two adjacent columns are connected to a same detection line for detecting a corresponding driving current of any of the sub-pixels in the two adjacent columns; wherein each driving current is configured to determine a corresponding compensation signal of corresponding two adjacent sub-pixels, for compensating data driving signals of the corresponding two adjacent sub-pixels based on the corresponding compensation signal in a displaying operation.
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| | ===DRIVING SUBSTRATE, AND DISPLAY PANEL ([[US Patent Application 18078102. DRIVING SUBSTRATE, AND DISPLAY PANEL simplified abstract|18078102]])=== | | ===DRIVING SUBSTRATE, AND DISPLAY PANEL ([[US Patent Application 18078102. DRIVING SUBSTRATE, AND DISPLAY PANEL simplified abstract|18078102]])=== |
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| | ZEYAO LI | | ZEYAO LI |
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| − | '''Brief explanation'''
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| − | - The patent application describes a driving substrate and a display panel for a light-emitting unit.
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| − | - The driving substrate includes a base with a display region, multiple rows of scan lines, multiple data lines, and a scan driving circuit.
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| − | - Pixel regions are defined by the scan lines and data lines, located in the display region, and parallel to the scan lines.
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| − | - The scan driving circuit is arranged in the display region and includes multiple cascaded scan driving units.
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| − | - Each scan driving unit is arranged in pixel regions in at least two rows and can output a row of gate scanning signal.
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| − | '''Abstract'''
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| − | Disclosed are a driving substrate and a display panel. The driving substrate is configured to drive a light-emitting unit to emit light and includes a base including a display region, multiple rows of scan lines and multiple data lines arranged on the base, and a scan driving circuit. Multiple pixel regions are defined by the multiple rows of scan lines and the multiple data lines crossing each other longitudinally and horizontally. The pixel regions are located in the display region. Row directions of the multiple pixel regions are substantially parallel to the scan lines. The scan driving circuit is arranged in the display region of the base and includes multiple scan driving units which are cascaded. A same scan driving unit is arranged in pixel regions in at least two rows among the plurality of pixel regions and capable of outputting at least one row of gate scanning signal.
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| | ===PIXEL DRIVING CIRCUIT OF A DISPLAY PANEL, METHOD FOR DRIVING A DISPLAY PANEL, AND DISPLAY DEVICE ([[US Patent Application 18091333. PIXEL DRIVING CIRCUIT OF A DISPLAY PANEL, METHOD FOR DRIVING A DISPLAY PANEL, AND DISPLAY DEVICE simplified abstract|18091333]])=== | | ===PIXEL DRIVING CIRCUIT OF A DISPLAY PANEL, METHOD FOR DRIVING A DISPLAY PANEL, AND DISPLAY DEVICE ([[US Patent Application 18091333. PIXEL DRIVING CIRCUIT OF A DISPLAY PANEL, METHOD FOR DRIVING A DISPLAY PANEL, AND DISPLAY DEVICE simplified abstract|18091333]])=== |
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| | XIUFENG ZHOU | | XIUFENG ZHOU |
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| − | '''Brief explanation'''
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| − | The abstract describes a pixel driving circuit, a method for driving a display panel, and a display device.
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| − | * The display panel consists of pixel columns, each containing pixel components.
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| − | * The pixel driving circuit includes pixel driving modules, a data line, first gating units, and second gating units.
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| − | * Each pixel driving module is connected to pixel components in adjacent pixel columns.
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| − | * Each pixel component in each pixel column is written with a driving voltage through a corresponding driving switch.
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| − | * The first gating units and second gating units are connected to the data line and the adjacent pixel components.
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| − | * The purpose of this invention is to provide a simplified and efficient method for driving a display panel.
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| − | '''Abstract'''
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| − | A pixel driving circuit, a method for driving a display panel, and a display device are provided. The display panel includes pixel columns, each of the pixel columns includes pixel components. The pixel driving circuit includes pixel driving modules, a data line, first gating units, and second gating units. Each of the pixel driving modules is coupled to pixel components of adjacent two pixel columns of the pixel columns, any pixel component in each of the pixel columns is written in a driving voltage via a corresponding driving switch. A terminal of each of the first gating units and a terminal of each of the second gating units are respectively coupled to the data line, another terminal of each of the first gating units is coupled to a corresponding adjacent pixel component, another terminal of each of the second gating units is coupled to another corresponding adjacent pixel component.
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| | ===PIXEL CIRCUIT, PIXEL CIRCUIT DRIVING METHOD AND DISPLAY DEVICE ([[US Patent Application 18145655. PIXEL CIRCUIT, PIXEL CIRCUIT DRIVING METHOD AND DISPLAY DEVICE simplified abstract|18145655]])=== | | ===PIXEL CIRCUIT, PIXEL CIRCUIT DRIVING METHOD AND DISPLAY DEVICE ([[US Patent Application 18145655. PIXEL CIRCUIT, PIXEL CIRCUIT DRIVING METHOD AND DISPLAY DEVICE simplified abstract|18145655]])=== |
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| | Renjie ZHOU | | Renjie ZHOU |
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| − | '''Brief explanation'''
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| − | The patent application describes a pixel circuit that includes various components for controlling the operation of a light-emitting element.
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| − | * The circuit includes a light-emitting element, a capacitor structure, a driving transistor, and four switching elements.
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| − | * The first switching element connects a data line to a terminal of the capacitor structure when a first scan signal is received.
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| − | * The second switching element connects the driving transistor to its control terminal and the capacitor structure's second terminal when a second scan signal is received.
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| − | * The third switching element connects the driving transistor's second terminal to the light-emitting element's first terminal when a third scan signal is received.
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| − | * The fourth switching element connects a power signal terminal to the driving transistor's first terminal when a fourth scan signal is received.
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| − | '''Abstract'''
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| − | A pixel circuit includes a light-emitting element, a capacitor structure, a driving transistor, and first to fourth switching elements. The first switching element connects a data line for providing a data signal to a first terminal of the capacitor structure in response to a first scan signal. The second switching element connects a first terminal of the driving transistor to a control terminal of the driving transistor and a second terminal of the capacitor structure respectively in response to a second scan signal. The third switching element connects a second terminal of the driving transistor to a first terminal of the light-emitting element in response to a third scan signal. The fourth switching element connects a first power signal terminal to the first terminal of the driving transistor in response to a fourth scan signal.
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| | ===DRIVING SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE ([[US Patent Application 18078039. DRIVING SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE simplified abstract|18078039]])=== | | ===DRIVING SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE ([[US Patent Application 18078039. DRIVING SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE simplified abstract|18078039]])=== |
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| | ZEYAO LI | | ZEYAO LI |
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| − | '''Brief explanation'''
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| − | The abstract describes a driving substrate, display panel, and display device for saving power in a display panel by dividing each row scanning line into multiple sub-scanning lines and separately outputting the gate scanning signal for each sub-scanning line.
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| − | * Driving substrate applied to a display panel
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| − | * Includes a base, data lines, and row scanning lines
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| − | * Scanning driving circuit with cascaded scanning driving units
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| − | * Each row scanning line has at least two sub-scanning lines
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| − | * Scanning driving circuit outputs gate scanning signal to each sub-scanning line
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| − | * Saves power by driving only part of the thin-film transistor in each row when only part of the display region is used for displaying images.
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| − | '''Abstract'''
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| − | Disclosed are a driving substrate, a display panel, and a display device. The driving substrate is applied to a display panel and includes a base; data lines and row scanning lines, arranged on a side of the base; and a scanning driving circuit, arranged on the side of the base and including a plurality of scanning driving units that are cascaded. Each row scanning line includes at least two sub-scanning lines, and the scanning driving circuit is configured to output a gate scanning signal to each sub-scanning line. The present disclosure may save power by dividing each row scanning line into multiple sub-scanning lines and separately outputting the gate scanning signal for each sub-scanning line, making it possible to drive only part of the thin-film transistor in each row when only part of the display region of the display panel is used for displaying images.
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| | ===LAMP BEAD AND DISPLAY DEVICE ([[US Patent Application 18145764. LAMP BEAD AND DISPLAY DEVICE simplified abstract|18145764]])=== | | ===LAMP BEAD AND DISPLAY DEVICE ([[US Patent Application 18145764. LAMP BEAD AND DISPLAY DEVICE simplified abstract|18145764]])=== |
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| | Hailong HE | | Hailong HE |
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| − | '''Brief explanation'''
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| − | The patent application describes a lamp bead structure that can be connected to multiple control lines.
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| − | * Lamp bead structure includes a light-guiding element and a light-emitting element.
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| − | * Light-guiding element has a region where light is output and a region where light is input.
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| − | * Multiple light-emitting elements are connected to the control lines in a one-to-one correspondence.
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| − | * Light emitted by the light-emitting element enters the light-guiding element through the input region and exits through the output region.
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| − | '''Abstract'''
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| − | A lamp bead structure is used for connection to at least two mutually independent control lines. The lamp bead structure includes a light-guiding element and a light-emitting element. The light-guiding element is provided with a light output region and a light input region. At least two light-emitting elements are provided to be connected to the control lines in a one-to-one correspondence. Light emitted by the light-emitting element is able to enter the light-guiding element through the light input region and exit through the same light output region.
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| | ===DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME ([[US Patent Application 18077204. DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME simplified abstract|18077204]])=== | | ===DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME ([[US Patent Application 18077204. DISPLAY PANEL AND METHOD OF MANUFACTURING THE SAME simplified abstract|18077204]])=== |
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| | ZEYAO LI | | ZEYAO LI |
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| − | '''Brief explanation'''
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| − | The patent application describes a method of manufacturing a display panel.
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| − | * The display panel includes a display substrate with a first surface, a second surface, and a side surface.
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| − | * An array circuit layer is arranged on the first surface of the display substrate.
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| − | * A connecting substrate is provided, which has a binding circuit layer and a connecting circuit layer.
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| − | * The connecting substrate is fixed to the side of the display substrate.
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| − | * The connecting circuit layer is electrically connected to the array circuit layer, and the array circuit layer is electrically connected to the binding circuit layer through the connecting circuit layer.
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| − | * A control unit is bound on the binding circuit layer.
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| − | '''Abstract'''
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| − | A method of manufacturing a display panel includes following operations. A display substrate is provided. The display substrate includes a first surface, a second surface opposite to the first surface, and a side surface connected to the first surface and the second surface. An array circuit layer is arranged on the first surface of the display substrate. A connecting substrate is provided. A binding circuit layer and a connecting circuit layer connected to the binding circuit layer are formed on a surface of the connecting substrate. The connecting substrate having the binding circuit layer and the connecting circuit layer is fixed to a side of the display substrate. The connecting circuit layer may be electrically connected to the array circuit layer, and the array circuit layer is electrically connected to the binding circuit layer through the connecting circuit layer. A control unit is bound on the binding circuit layer.
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| | ===DISPLAY PANEL AND METHOD FOR MAKING THE SAME ([[US Patent Application 18089597. DISPLAY PANEL AND METHOD FOR MAKING THE SAME simplified abstract|18089597]])=== | | ===DISPLAY PANEL AND METHOD FOR MAKING THE SAME ([[US Patent Application 18089597. DISPLAY PANEL AND METHOD FOR MAKING THE SAME simplified abstract|18089597]])=== |
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| | ZEYAO LI | | ZEYAO LI |
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| − | '''Brief explanation'''
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| − | - The patent application is about a display panel and a method for making the display panel.
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| − | - The method involves providing a substrate and preparing a driving circuit layer on one side of the substrate.
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| − | - The driving circuit layer consists of a binding layer, a display base, and an array circuit layer that are stacked together.
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| − | - The binding layer is located between the display base and the substrate.
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| − | - The method further includes removing the substrate, exposing the binding layer, and binding an external control unit on the binding layer.
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| − | '''Abstract'''
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| − | The present disclosure provides a display panel and a method for making the display panel. The method for making the display panel includes: providing a substrate; preparing a driving circuit layer on one side of the substrate; the driving circuit layer includes a binding layer, a display base and an array circuit layer which are stacked, and the binding layer is located between the display base and the substrate. Removing the substrate and the binding layer is exposed; binding the external control unit on the binding layer.
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| | ===DISPLAY PANEL AND MANUFACTURING METHOD THEREOF ([[US Patent Application 18145568. DISPLAY PANEL AND MANUFACTURING METHOD THEREOF simplified abstract|18145568]])=== | | ===DISPLAY PANEL AND MANUFACTURING METHOD THEREOF ([[US Patent Application 18145568. DISPLAY PANEL AND MANUFACTURING METHOD THEREOF simplified abstract|18145568]])=== |
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| | Yang PU | | Yang PU |
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| − | '''Brief explanation'''
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| − | The patent application describes a display panel with a drive backplane and multiple light-emitting chips arranged on it.
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| − | * The light-emitting chips consist of different semiconductor layers and an undoped semiconductor layer.
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| − | * The undoped semiconductor layer has a conductive via.
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| − | * A part of the conductive pattern portion is located in the conductive via and is in contact with the N-type semiconductor layer.
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| − | * Another part of the conductive pattern portion extends from the conductive via and connects to the drive backplane.
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| − | '''Abstract'''
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| − | A display panel includes a drive backplane and a plurality of light-emitting chips arranged on the drive backplane. Each of the light-emitting chips includes an N-type semiconductor layer, a multi-quantum well layer and a P-type semiconductor layer arranged on the undoped semiconductor layer in sequence and an undoped semiconductor layer. The undoped semiconductor layer is provided with a conductive via. The light-emitting chip further includes a conductive pattern portion, a part of the conductive pattern portion is located in the conductive via and is in contact with the N-type semiconductor layer, and another part of the conductive pattern portion protrudes from the conductive via and is connected to the drive backplane.
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