BOE TECHNOLOGY GROUP CO., LTD. patent applications on July 4th, 2024
Patent Applications by BOE TECHNOLOGY GROUP CO., LTD. on July 4th, 2024
BOE TECHNOLOGY GROUP CO., LTD.: 109 patent applications
BOE TECHNOLOGY GROUP CO., LTD. has applied for patents in the areas of H10K59/131 (16), G09G3/20 (12), H10K59/80 (11), G09G3/3233 (10), G11C19/28 (9) H10K59/131 (11), G09G3/3233 (6), G09G3/2092 (4), H10K59/873 (4), G09G3/20 (3)
With keywords such as: layer, display, control, region, circuit, substrate, device, image, light, and side in patent application abstracts.
Patent Applications by BOE TECHNOLOGY GROUP CO., LTD.
Inventor(s): Jiarong BAI of Beijing (CN) for boe technology group co., ltd., Ruijun DONG of Beijing (CN) for boe technology group co., ltd., Yulong WU of Beijing (CN) for boe technology group co., ltd., Chenru WANG of Beijing (CN) for boe technology group co., ltd., Ke LI of Beijing (CN) for boe technology group co., ltd., Na HAN of Beijing (CN) for boe technology group co., ltd., Zhanshan MA of Beijing (CN) for boe technology group co., ltd., Lili CHEN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G02B9/10
CPC Code(s): G02B9/10
Abstract: an optical system has an optical axis, and includes a positive focal power lens, a negative focal power lens and a display. the positive focal power lens includes a first convex surface away from the display and a second convex surface proximate to the display. the negative focal power lens includes a third convex surface away from the display and a fourth concave surface proximate to the display. for a refractive index of the positive focal power lens and a refractive index of the negative focal power lens, one is greater than another, and a greater refractive index is a first refractive index, a smaller refractive index is a second refractive index, the first refractive index is greater than 1.7, the second refractive index is greater than 1.5, and a ratio of the first refractive index to the second refractive index is less than or equal to 2.
20240219780. DISPLAY PANEL AND DISPLAY DEVICE_simplified_abstract_(boe technology group co., ltd.)
Inventor(s): Kai CHEN of Beijing (CN) for boe technology group co., ltd., Yanqing CHEN of Beijing (CN) for boe technology group co., ltd., Ruichao LIU of Beijing (CN) for boe technology group co., ltd., Jie TONG of Beijing (CN) for boe technology group co., ltd., Xiaofeng ZHANG of Beijing (CN) for boe technology group co., ltd., Weida QIN of Beijing (CN) for boe technology group co., ltd., Ning WANG of Beijing (CN) for boe technology group co., ltd., Yan WANG of Beijing (CN) for boe technology group co., ltd., Wei LI of Beijing (CN) for boe technology group co., ltd., Haoyi XIN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G02F1/1339, G02F1/1333, G02F1/1335
CPC Code(s): G02F1/13394
Abstract: a display panel includes a display region and a photoelectric sensing region, a plurality of spacer, a plurality of first support pillars, a plurality of second support pillars, and a plurality of third support pillars. the display region is located outside the photoelectric sensing region; and the photoelectric sensing region includes a light transmitting region and a frame area surrounding the light transmitting region, and the frame region includes: a first region, a second region, and a third region. the plurality of the spacers are arranged in an array, and located within the display region, but not located within the light transmitting region. the plurality of the first support pillars are located within the first region. the plurality of the second support pillars are located within the second region. the plurality of the third support pillars are located within the third region.
Inventor(s): Xinyu WANG of Beijing (CN) for boe technology group co., ltd., Yonghong ZHOU of Beijing (CN) for boe technology group co., ltd., Shangchieh CHU of Beijing (CN) for boe technology group co., ltd., Linlin XU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F1/16
CPC Code(s): G06F1/1656
Abstract: provided is a support structure. the support structure includes: a rotation shaft, two slidable connection mechanisms, at least two chains, and a first support assembly. the two slidable connection mechanisms are rotatably connected to the rotation shaft and disposed on two sides of the rotation shaft; the at least two chains are spaced apart in an axial direction of the rotation shaft, extension directions of the at least two chains are perpendicular to the axial direction of the rotation shaft, middle portions of the at least two chains are connected to the rotation shaft, and two ends of each of the at least two chains are respectively connected to the two slidable connection mechanisms; and in the axial direction of the rotation shaft, each of the at least one first support assembly is connected between two adjacent chains of the at least two chains.
Inventor(s): Min ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F40/166, G06F3/0482, G06F3/0484
CPC Code(s): G06F40/166
Abstract: the present disclosure provides a method for data display, a storage medium and an electronic device, relating to the field of computer technology. the method includes: generating an original form item, where the original form item includes a selection control, the selection control is associated with an option list, and the option list includes at least one option data; in response to receiving a selection operation for a first option data in the option list, displaying the first option data on a user page; removing the first option data from the option list and updating the option list; in response to receiving a selection operation for a second option data in the updated option list, displaying the second option data on the user page.
Inventor(s): Guang BAI of Beijing (CN) for boe technology group co., ltd., Zhongyuan WU of Beijing (CN) for boe technology group co., ltd., Xue DONG of Beijing (CN) for boe technology group co., ltd., Fei YANG of Beijing (CN) for boe technology group co., ltd., Jiankang SUN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06T5/50, G06F3/01, G06T7/62
CPC Code(s): G06T5/50
Abstract: an image processing method is applied to an electronic device having a display and includes: obtaining pupil coordinates of a user at a current moment; determining a fixation region and a non-fixation region corresponding to the display at the current moment according to the pupil coordinates; rendering an image corresponding to the fixation region according to a first resolution, and rendering an image corresponding to the non-fixation region according to a second resolution, the first resolution being greater than the second resolution; stitching an image corresponding to the fixation region after the rendering and an image corresponding to the non-fixation region after the rendering; and displaying a stitched image on the display.
Inventor(s): Sifan WANG of Beijing (CN) for boe technology group co., ltd., Yulan HU of Beijing (CN) for boe technology group co., ltd., Yanzhao LI of Beijing (CN) for boe technology group co., ltd., Chao ZHOU of Beijing (CN) for boe technology group co., ltd., Tuo SUN of Beijing (CN) for boe technology group co., ltd., Longfei LI of Beijing (CN) for boe technology group co., ltd., Shuo ZHANG of Beijing (CN) for boe technology group co., ltd., Zhenzhong ZHANG of Beijing (CN) for boe technology group co., ltd., Cuifang ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06T7/62, G06T5/30, G06T7/13, G06T7/187
CPC Code(s): G06T7/62
Abstract: a linewidth measurement method and apparatus, a computing and processing device, a computer program and a computer readable medium are provided for measuring a width of a line. the linewidth measurement method includes: obtaining a target image of the line, the line including a first line segment; performing region connecting on an edge image or binary image of the target image to obtain a region connected image, the region connected image including a target connected region corresponding to a pattern of the line, and a pixel value of each pixel in the target connected region being different from that of each pixel outside the target connected region; determining a first edge point and a second edge point of the first line segment based on the region connected image, the first edge point being located on a first edge line of the first line segment, the second edge point being located on a second edge line of the second line segment, and the first edge line and the second edge line being oppositely arranged in a first direction; and determining a width of the first line segment according to the first edge point and the second edge point, and determining the width of the line according to the width of the first line segment.
Inventor(s): Danfeng ZHU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06T13/60, G06T7/60
CPC Code(s): G06T13/60
Abstract: a waterwave simulation method and apparatus, an electronic device, and a storage medium are provided. the method includes: in response to detecting that waterwaves need to be acquired during simulation on an initial model, acquiring one or more target regions corresponding to the waterwaves and one or more slots () corresponding to the one or more target regions; and obtaining a target model by attaching the one or more slots to the initial model, where an effect of waterwaves () is present in the one or more target regions of the target model. in the method, the target model can involve waterwaves by attaching the one or more slots with waterwaves to the initial model, and it is only necessary to allocate an internal memory and a display memory for the one or more slots without adding extra internal memory and display memory, which is beneficial to improve simulation efficiency.
Inventor(s): Yaoyu LV of Beijing (CN) for boe technology group co., ltd., Feng GAO of Beijing (CN) for boe technology group co., ltd., Yachong XUE of Beijing (CN) for boe technology group co., ltd., Jiankang SUN of Beijing (CN) for boe technology group co., ltd., Lili CHEN of Beijing (CN) for boe technology group co., ltd., Hao ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/00, G09G3/32
CPC Code(s): G09G3/001
Abstract: the present disclosure provides a display panel, a driving method thereof and a display device, belongs to the field of display technology, and can at least partially solve the problem that the transmission bandwidth required by the conventional rotational display device is large during the display. the display panel of the present disclosure includes: the pixel units arranged in an array, each pixel unit including at least two sub-pixels; and a plurality of pixel driving chips in one-to-one correspondence with the plurality of pixel units, the pixel driving chip being configured to provide a driving signal to a corresponding pixel unit.
Inventor(s): Hao Zhang of Beijing (CN) for boe technology group co., ltd., Jiangnan Lu of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/20, G11C19/28
CPC Code(s): G09G3/20
Abstract: provided is a display panel. the display panel includes a substrate including a display region and a non-display region surrounding the display region; and a shift register unit, disposed in the non-display region; wherein the shift register unit includes a first shift circuit and a second shift circuit; wherein the first shift circuit is coupled to a first clock terminal, a second clock terminal, an input signal terminal, a first power terminal, a second power terminal, and a shift node; and the second shift circuit is coupled to the shift node, the first clock terminal, the second clock terminal, a third clock terminal, an enable control terminal, an output control terminal, the first power terminal, the second power terminal, and an output terminal.
Inventor(s): Shuguo ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/20, G09G3/32
CPC Code(s): G09G3/2007
Abstract: a display apparatus includes a gray scale compensation apparatus including a sampling module configured to sample frame image data in a video frame sequence, to obtain current frame image data, and a processor configured to: determine initial gray scale compensation data according to first gray scale data of each pixel in current frame image data and a pre-generated gray scale compensation data table; acquire gray scale compensation information of an image data set corresponding to current frame image data, including gray scale compensation coefficients of the current frame image data in respective display regions; determine target gray scale compensation data according to the gray scale compensation coefficients of the current frame image data in respective display regions and the initial gray scale compensation data; and perform gray scale compensation on the current frame image data according to the target gray scale compensation data, to obtain compensated frame image data.
Inventor(s): Shaoru ZHANG of Beijing (CN) for boe technology group co., ltd., Mingchun LAI of Beijing (CN) for boe technology group co., ltd., Xin DUAN of Beijing (CN) for boe technology group co., ltd., Wei SUN of Beijing (CN) for boe technology group co., ltd., Shuhuan YU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/20
CPC Code(s): G09G3/2092
Abstract: a gamma voltage conversion circuit includes: a first voltage divider circuit having first input terminals and first voltage divider output terminals, wherein each first input terminal is configured to receive a first gamma voltage signal, the first voltage divider circuit is configured to generate first analog voltage signals according to the first gamma voltage signal, and each first voltage divider output terminal is configured to output one of the first analog voltage signals; a gray code control circuit configured to generate and output a gray code control signal according to a grayscale value to be displayed; a first encoding circuit configured to generate and output second analog voltage signals according to the gray code control signal and one of the plurality of first analog voltage signals; and a first output control circuit configured to generate and output an analog grayscale voltage signal according to the second analog voltage signals.
Inventor(s): Seungwoo HAN of Beijing (CN) for boe technology group co., ltd., Haoliang ZHENG of Beijing (CN) for boe technology group co., ltd., Dongni LIU of Beijing (CN) for boe technology group co., ltd., Li XIAO of Beijing (CN) for boe technology group co., ltd., Jiao ZHAO of Beijing (CN) for boe technology group co., ltd., Xiaorong CUI of Beijing (CN) for boe technology group co., ltd., Minghua XUAN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/32, G11C19/28
CPC Code(s): G09G3/32
Abstract: a shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. all transistors included in the shift register are n-type transistors.
Inventor(s): Benlian WANG of Beijing (CN) for boe technology group co., ltd., Chengjie QIN of Beijing (CN) for boe technology group co., ltd., Cong LIU of Beijing (CN) for boe technology group co., ltd., Yao HUANG of Beijing (CN) for boe technology group co., ltd., Yue LONG of Beijing (CN) for boe technology group co., ltd., Weiyun HUANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: the present disclosure provides a pixel circuit, a driving method and a display device. the pixel circuit includes a light-emitting element, a driving circuit, a first light-emitting control circuit, a first control circuit, a first initialization circuit and a second light-emitting control circuit. the first control circuit is configured to control to connect the first node and the control node under the control of a first scan signal; the first initialization circuit is configured to write a first initial voltage into the control node under the control of a second light-emitting control signal; the first light-emitting control circuit is configured to control to connect the power supply voltage terminal and the second node under the control of the second light-emitting control signal.
Inventor(s): Dongsheng LI of Beijing (CN) for boe technology group co., ltd., Longfei FAN of Beijing (CN) for boe technology group co., ltd., Qian WU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: the line drive signal enhancement circuit includes a first control unit, a second control unit, a first output unit and a second output unit. the first control unit is used for outputting the first power supply voltage to the first node or the second node under the control of the first control terminal and the second control terminal. the second control unit is used for outputting the second power supply voltage to the second node in response to the first power supply voltage on the first node, and is further used for outputting the second power supply voltage to the first node in response to the first power supply voltage on the second node.
Inventor(s): Guangliang SHANG of Beijing (CN) for boe technology group co., ltd., Xinshe YIN of Beijing (CN) for boe technology group co., ltd., Qian YANG of Beijing (CN) for boe technology group co., ltd., Libin LIU of Beijing (CN) for boe technology group co., ltd., Shiming SHI of Beijing (CN) for boe technology group co., ltd., Dawei WANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G11C7/10, G11C7/14, G11C7/22, G11C19/28
CPC Code(s): G11C7/1036
Abstract: embodiments of the present disclosure disclose a shift register unit, a driving method thereof, and a device. the shift register unit includes an input circuit, a node control circuit, a first control output circuit, a second control output circuit and an output circuit. by providing the first control output circuit and the second control output circuit, the first control output circuit and the second control output circuit may operate alternately, so that the first control output circuit and the second control output circuit may have time for characteristics recovery respectively, thus improving the service life and output stability of the shift register unit.
Inventor(s): Yunsik IM of Beijing (CN) for boe technology group co., ltd., Shunhang ZHANG of Beijing (CN) for boe technology group co., ltd., Fuqiang LI of Beijing (CN) for boe technology group co., ltd., Changfeng LI of Beijing (CN) for boe technology group co., ltd., Liwei LIU of () for boe technology group co., ltd., Hehe HU of Beijing (CN) for boe technology group co., ltd., Ce NING of Beijing (CN) for boe technology group co., ltd., Hui ZHANG of Beijing (CN) for boe technology group co., ltd., Hongrun WANG of Beijing (CN) for boe technology group co., ltd., Zhuo LI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G11C19/28, G09G3/20
CPC Code(s): G11C19/28
Abstract: the present disclosure provides a shift register unit, a gate driving circuit and a display device. the shift register unit provided by the present disclosure includes: an input sub-circuit, an output sub-circuit, at least one pull-down control sub-circuit, at least one pull-down sub-circuit, at least one first noise reduction sub-circuit, and a reverse bias sub-circuit; the reverse bias sub-circuit is configured to control transistors in at least part of sub-circuits connected to a pull-up node to be in a reverse bias state through a power voltage signal in response to a potential of the pull-up node, or control the transistors in at least part of the sub-circuits connected to the pull-up node to be in the reverse bias state through a cascade signal in response to a potential of a cascade signal terminal.
Inventor(s): Haixu LI of Beijing (CN) for boe technology group co., ltd., Zhanfeng CAO of Beijing (CN) for boe technology group co., ltd., Ke WANG of Beijing (CN) for boe technology group co., ltd., Yan QU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L25/075, H01L33/00, H01L33/20
CPC Code(s): H01L25/0753
Abstract: a light emitting baseplate and a method of manufacturing the same, and a display device. the light emitting baseplate includes a substrate, and a plurality of light emitting units and a plurality of supporting columns located on the substrate. the plurality of supporting columns are located on surfaces of the light emitting units away from the substrate. a surface of each of the light emitting units away from the substrate is provided with the supporting columns respectively. heights of the supporting columns are equal. the supporting columns disposed on a surface of a same light emitting unit are symmetrically distributed about a symmetrical axis of the surface. the display device includes the light emitting baseplate.
Inventor(s): Jie HUANG of Beijing (CN) for boe technology group co., ltd., Ce NING of Beijing (CN) for boe technology group co., ltd., Zhengliang LI of Beijing (CN) for boe technology group co., ltd., Hehe HU of Beijing (CN) for boe technology group co., ltd., Nianqi YAO of Beijing (CN) for boe technology group co., ltd., Kun ZHAO of Beijing (CN) for boe technology group co., ltd., Tianmin ZHOU of Beijing (CN) for boe technology group co., ltd., Liping LEI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L29/417, H01L29/423, H01L29/66, H01L29/786
CPC Code(s): H01L29/41733
Abstract: a thin film transistor, an array substrate and a manufacturing method of the thin film transistor are provided, the thin film transistor includes a base substrate; and a first active layer, a first insulating layer and a second active layer, which are sequentially arranged on the base substrate, the first active layer is in contact with the second active layer through a first via hole structure located in the first insulating layer, and non-contacted portions of the first active layer and the second active layer are separated by the first insulating layer, the thin film transistor has a plurality of active layer structures, so that the charges are gathered on two surfaces of each of the active layers, and the number of the charges gathered on the surfaces of the active layers is multiplied, and the open state current of the thin film transistor is multiplied.
Inventor(s): Yanan NIU of Beijing (CN) for boe technology group co., ltd., Yan QU of Beijing (CN) for boe technology group co., ltd., Ming YANG of Beijing (CN) for boe technology group co., ltd., Jintao PENG of Beijing (CN) for boe technology group co., ltd., Bin QIN of Beijing (CN) for boe technology group co., ltd., Wanzhi CHEN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L33/48, H01L25/075, H01L33/20, H01L33/54, H01L33/62
CPC Code(s): H01L33/486
Abstract: a light emitting substrate, a preparation method therefor, and a display device are provided. the light emitting substrate includes a base substrate, a die bonding structure, a light shielding structure and a light emitting chip disposed on the base substrate, wherein the light emitting chip is disposed at a side of the die bonding structure away from the base substrate, the light shielding structure is located at a peripheral side of the light emitting chip, the light emitting substrate further comprises a flux functional layer covering the side of the die bonding structure away from the base substrate, the light shielding structure comprises a shielding material layer and a partition structure, and the flux functional layer is blocked at the partition structure.
Inventor(s): Wei WANG of Beijing (CN) for boe technology group co., ltd., Xiaochuan CHEN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L33/58, H01L25/075, H01L33/06, H01L33/38, H01L33/50
CPC Code(s): H01L33/58
Abstract: embodiments of the present disclosure provide a display panel and a display apparatus. display substrate includes: light-emitting device groups, light-transmitting part groups and optical structure elements. the light-emitting device groups are on a base substrate, each light-emitting device group includes micro light-emitting diodes including first and second micro light-emitting diodes each to emit light of preset color; each light-transmitting part group includes light-transmitting parts including a first and second color conversion parts; and each optical structure group is to direct light emitted from the first micro light-emitting diode to the first color conversion part, and direct light emitted from the second micro light-emitting diode to the second color conversion part. the first color conversion part is to convert light of the preset color into light of a first color, and the second color conversion part is to convert light of the preset color into light of a second color.
Inventor(s): Yang YUE of Beijing (CN) for boe technology group co., ltd., Wei WANG of Beijing (CN) for boe technology group co., ltd., Ruoyu MA of Beijing (CN) for boe technology group co., ltd., Shi SHU of Beijing (CN) for boe technology group co., ltd., Yong YU of Beijing (CN) for boe technology group co., ltd., Xiang LI of Beijing (CN) for boe technology group co., ltd., Shaohui LI of Beijing (CN) for boe technology group co., ltd., Qi YAO of Beijing (CN) for boe technology group co., ltd., Shipei LI of Beijing (CN) for boe technology group co., ltd., Renquan GU of Beijing (CN) for boe technology group co., ltd., Wenqu LIU of Beijing (CN) for boe technology group co., ltd., Chuanxiang XU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L33/62, H01L25/075
CPC Code(s): H01L33/62
Abstract: a light-emitting substrate includes a substrate, a first metal layer, a first insulating layer, a second metal layer and a conductive adhesive. a bonding region is proximate to a selected side edge of a first surface of the substrate. the first metal layer on the first surface includes first bonding electrodes. the first insulating layer is on the first metal layer, and a border thereof proximate to the edge is closer to the edge than a border of the first bonding electrodes facing the edge. the second metal layer includes second bonding electrodes. the conductive adhesive in the bonding region covers portions of the second bonding electrodes. a ratio of a dimension of an edge portion of the first insulating layer in a second direction to a dimension of a first bonding electrode in same direction is greater than or equal to ⅕ and less than or equal to �.
Inventor(s): Yurong HE of Beijing (CN) for boe technology group co., ltd., Kui LIANG of Beijing (CN) for boe technology group co., ltd., Tuo SUN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H02N2/00
CPC Code(s): H02N2/005
Abstract: the present disclosure provides a flexible actuator, a manufacturing method thereof, and an electronic device, belongs to the technical field of flexible actuators, and can solve the problems that existing flexible actuators are large in size and complex in control program. the flexible actuator provided by the present disclosure includes: a plurality of flexible actuator units arranged in an array; each of the flexible actuator units includes: a driving circuit layer, and a flexible deformation layer located on a side of the driving circuit layer; the driving circuit layer is configured to provide a control signal for the flexible deformation layer; and the flexible deformation layer is configured to deform under the control of the control signal.
Inventor(s): Sen MA of Beijing (CN) for boe technology group co., ltd., Tao HONG of Beijing (CN) for boe technology group co., ltd., Jinye ZHU of Beijing (CN) for boe technology group co., ltd., Chunmiao ZHOU of Beijing (CN) for boe technology group co., ltd., Jing YU of Beijing (CN) for boe technology group co., ltd., Tianyang HAN of Beijing (CN) for boe technology group co., ltd., Jing LIU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H04N17/00, H04N13/305, H04N13/383, H04N13/398
CPC Code(s): H04N17/004
Abstract: disclosed are a parameter determining method, a storage medium, and an electronic device. the method comprising: obtaining a standard test image having a preset spatial frequency and a contrast ratio of the standard test image; obtaining a contrast ratio of a viewing effect image corresponding to the standard test image on the basis of the standard test image, the viewing effect image corresponding to the standard test image being an image viewed by a viewer by means of a three-dimensional (3d) display apparatus at a preset viewing distance when the 3d display apparatus displays the standard test image; calculating a ratio of the contrast ratio of the viewing effect image corresponding to the standard test image to the contrast ratio of the standard test image, and determining a resolution parameter at the preset viewing distance.
Inventor(s): Yaqian JI of Beijing (CN) for boe technology group co., ltd., Xue DONG of Beijing (CN) for boe technology group co., ltd., Wei SUN of Beijing (CN) for boe technology group co., ltd., Yingming LIU of Beijing (CN) for boe technology group co., ltd., Wenchao HAN of Beijing (CN) for boe technology group co., ltd., Xiaoliang DING of Beijing (CN) for boe technology group co., ltd., Xiufeng LI of Beijing (CN) for boe technology group co., ltd., Yanling HAN of Beijing (CN) for boe technology group co., ltd., Lianghao ZHANG of Beijing (CN) for boe technology group co., ltd., Chenyang ZHANG of Beijing (CN) for boe technology group co., ltd., Yuzhen GUO of Beijing (CN) for boe technology group co., ltd., Peixiao LI of Beijing (CN) for boe technology group co., ltd., Yue GOU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H04R1/24, H04R1/02, H04R3/12, H04R7/04, H04R7/18, H04R9/02, H04R9/06, H04R31/00
CPC Code(s): H04R1/24
Abstract: a display panel and a fabricating method are provided. display panel includes a display assembly and sound generation assemblies. the display assembly comprises a display assembly substrate and a plurality of pixel components. each sound generation assembly comprises a vibrating membrane and an exciter. the exciter comprises a motion part in contact with the vibrating membrane and a drive part driving the motion part to vibrate, and the motion part vibrates to drive the vibrating membrane to vibrate. the display assembly substrate and the vibrating membrane are the same structure. the pixel components are disposed on a side of the vibrating membrane facing away from the exciter. a projection of the each sound generation assembly on the display assembly substrate covers projections of at least two pixel components on the display assembly substrate.
Inventor(s): Jiaxiang ZHANG of Beijing (CN) for boe technology group co., ltd., Jiuyuan BAI of Beijing (CN) for boe technology group co., ltd., Xin MU of Beijing (CN) for boe technology group co., ltd., Mingqiang WANG of Beijing (CN) for boe technology group co., ltd., Hongjin HU of Beijing (CN) for boe technology group co., ltd., Fei LI of Beijing (CN) for boe technology group co., ltd., Yonglin CHEN of Beijing (CN) for boe technology group co., ltd., Kun ZUO of Beijing (CN) for boe technology group co., ltd., Chang WANG of Beijing (CN) for boe technology group co., ltd., Xin BI of Beijing (CN) for boe technology group co., ltd., Bin ZHANG of Beijing (CN) for boe technology group co., ltd., Seungyong OH of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H05K1/02, H05K3/38
CPC Code(s): H05K1/0272
Abstract: a printed circuit board and a fabricating method thereof, and a displaying device. the printed circuit board includes a hard-board region () and a soft-board region (), the soft-board region () is located at the periphery of the first edge () of the hard-board region (), the printed circuit board within the hard-board region () includes a base plate (), and an adhesive film (), a covering film () and a first metal layer () that are arranged in layer configuration on one side of the base plate (), the adhesive film () is closest to the base plate (), a flow guiding groove () is disposed on the surface of the side of the covering film () that is closer to the adhesive film (), and the flow guiding groove () extends to a second edge () of the hard-board region (). by disposing the flow guiding groove on the surface of the side of the covering film that is closer to the adhesive film, and disposing that the flow guiding groove extends to the second edge of the hard-board region, the overflowing adhesive of the adhesive film can be effectively guided to flow to the periphery of the second edge via the flow guiding groove, and because the soft-board region is located at the periphery of the first edge, the method can effectively reduce the overflowing adhesive to flow to the soft-board region, reduce the reserved overflowing-adhesive room of the printed circuit board, and reduce the size of the printed circuit board.
Inventor(s): Xiaofei LUO of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H05K1/02, H05K1/18
CPC Code(s): H05K1/028
Abstract: provided are a curved screen bending device and a curved screen bending method. a to-be-bent screen includes a planar area, a bending area connected to an edge of the planar area, and a flexible printed circuit connected to the bending area. the device includes: a screen bearing platform including a planar first bearing surface; a circuit board bearing platform movable relative to the screen bearing platform and located on an outer side of the screen bearing platform; and a supporting and protecting structure which is arranged on the screen bearing platform and includes first and second side faces opposite to each other, the first side face fits with the first bearing surface, the second side face bears and fixes the to-be-bent screen and at least includes a curved bearing region having a same curvature as that of a curved surface of the bending area after bending.
20240224443. STRIP-LIKE SCREEN DISPLAY DEVICE_simplified_abstract_(boe technology group co., ltd.)
Inventor(s): Wenbin WANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H05K5/02, G06F3/041, G09F3/20
CPC Code(s): H05K5/0217
Abstract: the present disclosure provides a strip-like screen display device, including: a strip-like display module including a display side and a non-display side arranged opposite to each other; and a strip-like shell, the strip-like shell being of a strip-like profile structure with an internal hollow cavity, at least one end of the strip-like shell being an opening end, the strip-like shell including a front side plate and a rear side plate arranged opposite to each other, the front side plate being provided with a display side opening, the strip-like display module being accommodated in the cavity of the strip-like shell and being inserted into or withdrawn out of the strip-like shell through the opening end, and a display side of the strip-like display module facing the display side opening.
Inventor(s): Yong WU of Beijing (CN) for boe technology group co., ltd., Xiaojin ZHANG of Beijing (CN) for boe technology group co., ltd., Haiyan SUN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/11, H10K50/18, H10K85/60, H10K101/10, H10K101/30, H10K102/00
CPC Code(s): H10K50/11
Abstract: the present disclosure provides an organic electroluminescent device and a display device, belonging to the field of display technology, which can solve the problem of poor luminescent efficiency and short life of the existing organic electroluminescent devices. the organic electroluminescent device of the present disclosure comprises: a first electrode and a second electrode disposed opposite to each other, and a light-emitting layer located between the first electrode and the second electrode; the light-emitting layer comprising: a first compound, a second compound and a third compound; wherein the first compound satisfies a first general formula; the third compound satisfies a second general formula; and the second compound has a difference between a triplet energy level and a singlet energy level of less than or equal to 0.3 ev.
Inventor(s): Wenhai MEI of Beijing (CN) for boe technology group co., ltd., Yichi ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/165, H10K50/11, H10K50/115, H10K59/12, H10K59/35, H10K71/00, H10K101/00, H10K101/30, H10K101/40, H10K102/00
CPC Code(s): H10K50/165
Abstract: a light-emitting device includes: a first electrode and a second electrode that are superposed; a light-emitting layer (eml) located between the first electrode and the second electrode; and an electron transport layer (etl) located between the first electrode and the eml. the etl includes a first surface proximate to the eml and a second surface proximate to the first electrode, the etl includes oxygen vacancies, and a concentration of oxygen vacancies in the first surface is greater than a concentration of oxygen vacancies in the second surface.
Inventor(s): Huajie YAN of Beijing (CN) for boe technology group co., ltd., Zhiqiang JIAO of Beijing (CN) for boe technology group co., ltd., Lu WANG of Beijing (CN) for boe technology group co., ltd., Peng WANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/30, H10K50/805, H10K59/80, H10K71/60
CPC Code(s): H10K50/30
Abstract: a light emitting transistor, a method of manufacturing the same, and a display substrate are provided. the light emitting transistor includes: a gate electrode on a base substrate; an insulating layer on a side of the gate electrode away from the base substrate; a first electrode on a side of the insulating layer away from the base substrate, wherein the first electrode is provided with a plurality of through holes therein, which are divided into a plurality of through hole groups arranged side by side in a first direction; each through hole group includes multiple through holes arranged in a second direction, the first direction intersects the second direction; a light emitting functional layer on a side of the first electrode away from the base substrate; and a second electrode on a side of the light emitting functional layer away from the base substrate.
Inventor(s): Wenhui DANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/816, G09G3/3225, H10K50/813, H10K71/60, H10K102/10
CPC Code(s): H10K50/816
Abstract: a light-emitting substrate includes a substrate and a plurality of sub-pixels disposed on the substrate. each sub-pixel includes a light-emitting device; the light-emitting device includes a first electrode and a second electrode, and a light-emitting functional layer disposed between the first electrode and the second electrode the light-emitting functional layer includes a light-emitting layer, a first semiconductor layer disposed between the light-emitting layer and the first electrode and in contact with the first electrode, and a second semiconductor layer disposed between the light-emitting layer and the second electrode. the first electrode is configured to provide carriers for the light-emitting layer. in the light-emitting device, a portion of the first electrode in contact with the first semiconductor layer is provided with a hollow therein, and the hollow is located in a region where a sub-pixel to which the light-emitting device belongs is located.
Inventor(s): Linlin WANG of Beijing (CN) for boe technology group co., ltd., Changyen WU of Beijing (CN) for boe technology group co., ltd., Juanjuan YOU of Beijing (CN) for boe technology group co., ltd., Yongqi SHEN of Beijing (CN) for boe technology group co., ltd., Bin BU of Beijing (CN) for boe technology group co., ltd., Wenfeng SONG of Beijing (CN) for boe technology group co., ltd., Guang YAN of Beijing (CN) for boe technology group co., ltd., Li SUN of Beijing (CN) for boe technology group co., ltd., Dacheng ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/818, H10K50/16, H10K50/17, H10K50/82, H10K50/852, H10K102/00
CPC Code(s): H10K50/818
Abstract: an electroluminescent device and a display apparatus, for improving the efficiency and prolonging the service life of the electroluminescent device. the electroluminescent device comprises: an anode comprising a reflective material; a cathode arranged opposite to the anode and comprising a transflective material; n light-emitting functional layers laminated between the anode and the cathode, wherein n is an integer greater than 1; and each light-emitting functional layer comprises a light-emitting layer and an electron transport layer located at the side of the light-emitting layer close to the cathode, wherein the thickness of the electron transport layer in the light-emitting functional layer closest to the cathode is greater than that of the electron transport layers in the remaining light-emitting functional layers; and (n−1) charge generation layers located between two adjacent light-emitting functional layers.
Inventor(s): Hao GAO of Beijing (CN) for boe technology group co., ltd., Yan FAN of Beijing (CN) for boe technology group co., ltd., Xing FAN of Beijing (CN) for boe technology group co., ltd., Xu LI of Beijing (CN) for boe technology group co., ltd., Zhihui ZHANG of Beijing (CN) for boe technology group co., ltd., Xiangmin WEN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/858, H10K50/15, H10K50/16, H10K50/18, H10K102/00
CPC Code(s): H10K50/858
Abstract: a display device and a display panel thereof, and an oled display device are provided. the oled display device includes: a red light-emitting structure, a green light-emitting structure, and a blue light-emitting structure, where (n-n)-(n-n)≥a first preset value, and (n-n)-(n-n)≥a second preset value, where ranges of both the first preset value and the second preset value are 0.1�0.3; nis a sum of refractive indexes of respective layers of the red light-emitting structure in a thickness direction; nis a sum of refractive indexes of the respective layers of the red light-emitting structure in a vertical thickness direction; nis a sum of refractive indexes of respective layers of the green light-emitting structure in the thickness direction; nis a sum of refractive indexes of the respective layers of the green light-emitting structure in the vertical thickness direction; nis a sum of refractive indexes of respective layers of the blue light-emitting structure in the thickness direction; and n3xy is a sum of refractive indexes of the respective layers of the blue light-emitting structure in the vertical thickness direction. according to embodiments of the present disclosure, a reflectance of an interface between the blue light-emitting structure and outside at a large angle of view can be reduced, a light transmittance can be increased, a brightness can be enhanced, and further a color shift can be improved.
Inventor(s): Shengji YANG of Beijing (CN) for boe technology group co., ltd., Xue DONG of Beijing (CN) for boe technology group co., ltd., Hui WANG of Beijing (CN) for boe technology group co., ltd., Xiaochuan CHEN of Beijing (CN) for boe technology group co., ltd., Pengcheng LU of Beijing (CN) for boe technology group co., ltd., Kuanta HUANG of Beijing (CN) for boe technology group co., ltd., Dacheng ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/131, H10K50/19, H10K59/12, H10K59/122
CPC Code(s): H10K59/131
Abstract: the present disclosure relates to a display device, including: a driving backplane, including a substrate, at least one wiring layer and a planarization layer, wherein the planarization layer is provided with a groove; a first electrode layer, disposed on a surface of the planarization layer away from the substrate, and including a plurality of first electrodes distributed at intervals; a pixel definition layer, disposed on the surface of the planarization layer away from the substrate, wherein a separation groove is formed by the pixel definition layer at the groove; a conductive shielding layer, at least partially disposed in the groove; a light-emitting layer, by which the pixel definition layer, the first electrodes and the conductive shielding layer are covered, wherein the light-emitting layer is recessed at the separation groove and is in direct contact with at least a partial area of the conductive shielding layer.
Inventor(s): Tao Wang of Beijing (CN) for boe technology group co., ltd., Chengjie Qin of Beijing (CN) for boe technology group co., ltd., Ziyu Zhang of Beijing (CN) for boe technology group co., ltd., Yue Cui of Beijing (CN) for boe technology group co., ltd., Tao Sun of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/80
CPC Code(s): H10K59/873
Abstract: a display substrate is provided. the display substrate includes: a substrate; a light emitting layer arranged on a side of the substrate; an encapsulation layer arranged on a side of the light emitting layer away from the substrate; and at least two dams arranged around a display area in a non-display area. the encapsulation layer includes an organic material layer, and the dams include a first dam arranged around the display area and a second dam arranged around the first dam, where the first dam includes a first sub-dam arranged discontinuously, a second sub-dam arranged continuously, and at least one third sub-dam connecting the first sub-dam and the second sub-dam; the first sub-dam, the second sub-dam, and the third sub-dam are arranged around to form at least one semi-closed region structure; and at least a part of the organic material layer is located in the semi-closed region structure.
Inventor(s): Che AN of Beijing (CN) for boe technology group co., ltd., Wenqi LIU of Beijing (CN) for boe technology group co., ltd., Zhongyuan SUN of Beijing (CN) for boe technology group co., ltd., Wei HUANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/80, H10K50/115, H10K59/38, H10K71/16, H10K102/00
CPC Code(s): H10K59/8731
Abstract: disclosed are a packaging structure, a fabrication method thereof, and a display apparatus. the packaging structure includes: a first base; a packaging body on the first base; and a first packaging layer on a side of the packaging body away from the first base and including at least two inorganic layers sequentially stacked, wherein the at least two inorganic layers include a first inorganic layer closest to the packaging body, and the first inorganic layer contains carbon atoms and nitrogen atoms.
BOE TECHNOLOGY GROUP CO., LTD. patent applications on July 4th, 2024
- BOE TECHNOLOGY GROUP CO., LTD.
- G02B9/10
- CPC G02B9/10
- Boe technology group co., ltd.
- G02F1/1339
- G02F1/1333
- G02F1/1335
- CPC G02F1/13394
- G06F1/16
- CPC G06F1/1656
- G06F40/166
- G06F3/0482
- G06F3/0484
- CPC G06F40/166
- G06T5/50
- G06F3/01
- G06T7/62
- CPC G06T5/50
- G06T5/30
- G06T7/13
- G06T7/187
- CPC G06T7/62
- G06T13/60
- G06T7/60
- CPC G06T13/60
- G09G3/00
- G09G3/32
- CPC G09G3/001
- G09G3/20
- G11C19/28
- CPC G09G3/20
- CPC G09G3/2007
- CPC G09G3/2092
- CPC G09G3/32
- G09G3/3233
- CPC G09G3/3233
- G11C7/10
- G11C7/14
- G11C7/22
- CPC G11C7/1036
- CPC G11C19/28
- H01L25/075
- H01L33/00
- H01L33/20
- CPC H01L25/0753
- H01L29/417
- H01L29/423
- H01L29/66
- H01L29/786
- CPC H01L29/41733
- H01L33/48
- H01L33/54
- H01L33/62
- CPC H01L33/486
- H01L33/58
- H01L33/06
- H01L33/38
- H01L33/50
- CPC H01L33/58
- CPC H01L33/62
- H02N2/00
- CPC H02N2/005
- H04N17/00
- H04N13/305
- H04N13/383
- H04N13/398
- CPC H04N17/004
- H04R1/24
- H04R1/02
- H04R3/12
- H04R7/04
- H04R7/18
- H04R9/02
- H04R9/06
- H04R31/00
- CPC H04R1/24
- H05K1/02
- H05K3/38
- CPC H05K1/0272
- H05K1/18
- CPC H05K1/028
- H05K5/02
- G06F3/041
- G09F3/20
- CPC H05K5/0217
- H10K50/11
- H10K50/18
- H10K85/60
- H10K101/10
- H10K101/30
- H10K102/00
- CPC H10K50/11
- H10K50/165
- H10K50/115
- H10K59/12
- H10K59/35
- H10K71/00
- H10K101/00
- H10K101/40
- CPC H10K50/165
- H10K50/30
- H10K50/805
- H10K59/80
- H10K71/60
- CPC H10K50/30
- H10K50/816
- G09G3/3225
- H10K50/813
- H10K102/10
- CPC H10K50/816
- H10K50/818
- H10K50/16
- H10K50/17
- H10K50/82
- H10K50/852
- CPC H10K50/818
- H10K50/858
- H10K50/15
- CPC H10K50/858
- H10K59/131
- H10K50/19
- H10K59/122
- CPC H10K59/131
- CPC H10K59/873
- H10K59/38
- H10K71/16
- CPC H10K59/8731
