Patents by Inventor Xiaochuan Chen
Xiaochuan Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12690331Abstract: Disclosed are a display substrate. The display substrate includes a drive backplane; a first electrode layer disposed on a side of the drive backplane; a pixel definition layer disposed on a side, distal to the drive backplane, of the first electrode layer; an organic light-emitting layer disposed on a side, distal to the drive backplane, of the pixel definition layer, wherein the organic light-emitting layer comprises: a plurality of organic material layers stacked in a direction perpendicular to and away from the drive backplane, and a portion of the organic material layer disposed inside the partition groove is separated from a portion of the organic material layer disposed outside the partition groove; and a second electrode layer disposed on a side, distal to the drive backplane, of the organic light-emitting layer.Type: GrantFiled: May 31, 2022Date of Patent: July 21, 2026Assignees: YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuhao Lee, Xue Dong, Xiaochuan Chen, Hui Tong, Xiaobin Shen, Kuanta Huang, Cao Wu, Weiliang Bu, Hui Wang, Zhiqiang Jiao
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Patent number: 12677513Abstract: 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.Type: GrantFiled: November 19, 2021Date of Patent: July 7, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wei Wang, Xiaochuan Chen
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Publication number: 20260185875Abstract: A dark spot detection method and apparatus for a display panel and a computer-readable storage medium. The dark spot detection method includes: acquiring first luminances of multiple sub-pixels at a first viewing angle; acquiring a first mapping relationship between first distance and chief ray angle, wherein the first distance is a distance from a sub-pixel to a center of a display area, the chief ray angle is an included angle between a direction in which luminous intensity of the sub-pixel is greatest and a direction perpendicular to the display panel; acquiring luminances of a single sub-pixel at multiple viewing angles, obtaining a second mapping relationship between viewing angle and luminance of the single sub-pixel; determining second luminances of multiple sub-pixels at chief ray angles according to first luminances, first mapping relationship, and second mapping relationship, marking a sub-pixel whose second luminance is lower than a luminance threshold as dark spot.Type: ApplicationFiled: September 20, 2023Publication date: July 2, 2026Inventors: Chao PU, Dacheng ZHANG, Qingshan SHAN, Xiaochuan CHEN, Yinhu HUANG, Shengji YANG, Pengcheng LU, Zhao MA, Yingbing ZHANG, Liuzeming QU, Qi SU, Zhuoyang XIE
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Publication number: 20260179530Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a first circuit and a second circuit. The first circuit is configured to provide a driving current to a light emitting element under control of the second circuit. The second circuit is configured to receive a digital select signal from a digital select signal line, a first digital data signal from a first digital data signal line, and a second digital data signal from a second digital data signal line; and control a frequency and duration by which the light emitting element receives the driving current during a frame of image, thereby controlling the grayscale of a subpixel having the light emitting element.Type: ApplicationFiled: March 28, 2023Publication date: June 25, 2026Applicant: BOE Technology Group Co., Ltd.Inventors: Can Wang, Can Zhang, Ning Cong, Jinfei Niu, Jingjing Zhang, Minghua Xuan, Xiaochuan Chen
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Publication number: 20260182210Abstract: This disclosure provides an array substrate and a display device, the array substrate including a substrate comprising a cutting track region and a non-cutting track region, the non-cutting track region comprising a display region; a filling layer located on the substrate and arranged within the cutting track region; a functional layer located on the substrate and arranged within the non-cutting track region; and an evaporation layer comprising a first evaporation layer and a second evaporation layer separated from each other. A first distance between an upper surface of the filling layer and an upper surface of the substrate is substantially equal to a second distance between an upper surface of the functional layer and the upper surface of the substrate.Type: ApplicationFiled: September 19, 2023Publication date: June 25, 2026Inventors: Chao Pu, Dacheng Zhang, Qingshan Shan, Xiaochuan Chen, Yinhu Huang, Shengji Yang, Pengcheng Lu, Zhao Ma, Liuzeming Qu, Qi Su, Zhuoyang Xie
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Patent number: 12660442Abstract: A display substrate includes a display area and a bonding area located on one side of the display area; the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate; the circuit structure layer of the display area is provided with a pixel driving circuit including multiple transistors, the display area further includes a light emitting structure layer and a package structure layer sequentially stacked on a side of the circuit structure layer away from the base substrate, the light emitting structure layer includes a light emitting device connected to the pixel driving circuit; a pad is provided in the circuit structure layer of the bonding area and configured to be bonded and connected to an external circuit board, a surface of the pad is disposed flush with a surface of the circuit structure layer around the pad and away from the base substrate.Type: GrantFiled: February 25, 2022Date of Patent: June 16, 2026Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., LtdInventors: Chao Pu, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen
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Patent number: 12647552Abstract: A display panel includes: a first base substrate; a plurality of scanning lines, which are located on one side of the first base substrate, extend in a first direction and are arranged in a second direction, wherein the first direction intersects with the second direction; a plurality of data lines, which are located on the same side of the first base substrate as the scanning lines, extend in the second direction and are arranged in the first direction; and a plurality of sub-pixels, which are respectively located in regions divided by the plurality of scanning lines and the plurality of data lines, wherein the plurality of sub-pixels constitute a plurality of pixel islands, the plurality of pixel islands are dived into a plurality of control regions, each control region comprises at least one pixel island, and each control region is independently driven to emit light.Type: GrantFiled: August 27, 2021Date of Patent: June 2, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Tieshi Wang, Kuanjun Peng, Xue Dong, Chunmiao Zhou, Tao Hong, Hui Zhang, Xin Duan, Minglei Chu, Xiaochuan Chen, Guangcai Yuan, Jing Yu
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Publication number: 20260136818Abstract: Provided is a display panel, including a driver backplane, a plurality of light-emitting devices, a black matrix, and a color filter layer. The black matrix is provided with a plurality of first light-passing holes in one-to-one correspondence with the plurality of light-emitting devices; and the color filter layer includes a plurality of color filter blocks in one-to-one correspondence with the plurality of first light-passing holes, and an auxiliary color filter layer structure disposed between any adjacent color filter blocks; wherein an orthographic projection of each first light-passing hole onto the driver backplane falls within an orthographic projection of the color filter corresponding to the first light-passing hole onto the driver backplane, and an orthographic projection of the auxiliary color filter layer structure onto the driver backplane at least partially overlaps orthographic projections of the black matrix onto the driver backplane.Type: ApplicationFiled: January 7, 2026Publication date: May 14, 2026Inventors: Xiaoquan HAI, Yingzi WANG, Xue DONG, Xiaochuan CHEN
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Patent number: 12628527Abstract: An embodiment of the present disclosure provides a display substrate comprising a substrate comprising a display area and a peripheral area; a plurality of sub-pixels spaced apart by a pixel defining layer on the substrate and located in the display area, wherein the sub-pixels comprise: a first electrode; a first light-emitting layer; and a charge generating layer, wherein the pixel defining layer has a first opening exposing the first electrode, wherein an edge portion of the pixel defining layer adjacent to the first opening covers an edge portion of the first electrode, wherein the charge generating layer has a second opening, and an orthographic projection of the second opening on the substrate at least partially overlaps with an orthographic projection of the pixel defining layer on the substrate, wherein the charge generating layer has an edge portion adjacent to the second opening.Type: GrantFiled: February 17, 2022Date of Patent: May 12, 2026Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Can Zhang, Xiaochuan Chen, Dacheng Zhang
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Patent number: 12628498Abstract: A display substrate, comprising: a first electrode layer, which is located on one side of a drive backplane and which comprises a plurality of first electrodes that are distributed in an array; a leakage cutoff layer, which is located on the side of the first electrode layer facing away from the drive backplane and is located between two adjacent first electrodes, the surface of the leakage cutoff layer on the side facing away from the drive backplane having a cutoff recess and cutoff protrusions located on both sides of the cutoff recess; a light-emitting functional layer, which is located on the side of the leakage cutoff layer and the first electrode layer facing away from the drive backplane; and a second electrode layer, which is located on the side of the light-emitting functional layer facing away from the drive backplane.Type: GrantFiled: May 14, 2021Date of Patent: May 12, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Qing Wang, Kuanta Huang, Xiaochuan Chen, Yongfa Dong, Xiong Yuan, Hui Tong, Yu Wang
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Publication number: 20260080829Abstract: An array base plate, wherein the array base plate comprises a substrate and a plurality of sub-pixels that are located on the substrate and arranged in array, and each of the sub-pixels comprises a pixel driving circuit and a light emitting device that are electrically connected. The pixel driving circuit comprises a drive module and a first control module, wherein the drive module is electrically connected to a first node, a second node and an anode of the light emitting device, wherein the drive module is configured for conducting a path between the second node and the anode under control of a voltage of the first node, and generating a current in the path to make the light emitting device emit light. The first control module is electrically connected to a first control signal line, a second power signal line and the anode of the light emitting device.Type: ApplicationFiled: September 23, 2025Publication date: March 19, 2026Applicants: YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE Technology Group Co., Ltd.Inventors: Longfei Fan, Yaoxi Ma, Xiaochuan Chen, Qingshan Shan, Pengcheng Lu, Shengji Yang, Shanghong Jiang
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Publication number: 20260076035Abstract: The present application relates to an array substrate, which comprises: a driving backplane, in which a plurality of pixel circuits are formed, wherein capacitors of the plurality of pixel circuits comprise first capacitors and a second capacitor, a first electrode plate of each first capacitor has a first side edge, a first electrode plate of the second capacitor has a second side edge, the first side edge is opposite the second side edge, and a first included angle is formed between a straight line where the first side edge is located and a straight line where the second side edge is located, which is an acute angle.Type: ApplicationFiled: October 13, 2023Publication date: March 12, 2026Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yaoxi MA, Longfei FAN, Pengcheng LU, Shanghong JIANG, Shengji YANG, Xiaochuan CHEN, Dachao LI
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Patent number: 12563954Abstract: Provided is a display panel, including a driver backplane, a plurality of light-emitting devices, a black matrix, and a color resistance layer. The black matrix is provided with a plurality of first light-passing holes in one-to-one correspondence with the plurality of light-emitting devices; and the color resistance layer includes a plurality of color resistance blocks in one-to-one correspondence with the plurality of first light-passing holes, and an auxiliary color resistance structure disposed between any adjacent color resistance blocks; wherein an orthographic projection of each first light-passing hole onto the driver backplane falls within an orthographic projection of the color resistance block corresponding to the first light-passing hole onto the driver backplane, and an orthographic projection of the auxiliary color resistance structure onto the driver backplane is at least partially overlapped with orthographic projections of the black matrix onto the driver backplane.Type: GrantFiled: June 15, 2022Date of Patent: February 24, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoquan Hai, Yingzi Wang, Xue Dong, Xiaochuan Chen
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Patent number: 12562094Abstract: Provided is a gate drive circuit, including a plurality of shift registers and buffers in cascade, wherein each of the shift registers is configured to output a first gate scanning signal stage by stage according to a preset scanning timing; and each of the buffers is configured to perform waveform inversion on the first gate scanning signal for a plurality of times to convert the first gate scanning signal into a second gate scanning signal, wherein falling edge time of the second gate scanning signal is less than falling edge time of the first gate scanning signal.Type: GrantFiled: July 31, 2023Date of Patent: February 24, 2026Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shanghong Jiang, Dachao Li, Longfei Fan, Yaoxi Ma, Pengcheng Lu, Shengji Yang, Xiaochuan Chen
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Patent number: 12557474Abstract: Provided are a silicon-based organic electroluminescent display substrate, a manufacturing method thereof, and a display panel. The display substrate includes: a silicon-based substrate and pixel units thereon. Each of the pixel units includes: a first electrode on a side of the silicon-based substrate; a light emitting layer on a side of the first electrode away from the silicon-based substrate; and a second electrode on a side of the light emitting layer away from the first electrode. The second electrode of each of the pixel units includes at least one composite structure including: a first metal film layer on a side of the light emitting layer away from the first electrode; a conductive scattering sub-structure on a side of the first metal film layer away from the light emitting layer; and a second metal film layer on a side of the conductive scattering sub-structure away from the first metal film layer.Type: GrantFiled: June 22, 2021Date of Patent: February 17, 2026Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Dongdong Duan, Xiaochuan Chen, Hui Wang, Shengji Yang, Pengcheng Lu, Xiaobin Shen, Yu Wang, Xiong Yuan, Hui Tong, Kuanta Huang
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Publication number: 20260047259Abstract: Provided is a display substrate, including: a base substrate; a plurality of conductive patterns on base substrate; a plurality of light-emitting elements on base substrate, where the plurality of light-emitting elements are arranged in array and spaced apart from each other, and at least one light-emitting element includes a first electrode, a first type semiconductor layer, a light-emitting layer, a second type semiconductor layer, and a second electrode, first electrode is electrically connected to conductive pattern, first type semiconductor layer is located on a side of first electrode, light-emitting layer is located on a side of first type semiconductor layer, second type semiconductor layer is located on a side of light-emitting layer, and second electrode is located on a side of second type semiconductor layer; and a conductive light-shielding portion on base substrate, located in a gap between two adjacent light-emitting elements, and being electrically connected to second electrode.Type: ApplicationFiled: May 14, 2024Publication date: February 12, 2026Inventors: Can Wang, Can Zhang, Ying Zhou, Xiaochuan Chen, Minghau Xuan
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Patent number: 12550597Abstract: A display module, including: a display panel; and a color film layer and a micro-lens layer, provided on a light-emitting side of the display panel; where, the color film layer includes a plurality of filter portions, and the micro-lens layer includes a plurality of first converging lenses and a plurality of second converging lenses; a gap is provided between two adjacent first converging lenses, and an orthographic projection of a first converging lens on the display panel is located within an orthographic projection of a filter portion on the display panel; a second converging lens is provided in the gap between two adjacent first converging lenses, and a vertex of the second converging lens is located between a vertex of the first converging lens and a bottom surface of the first converging lens.Type: GrantFiled: September 7, 2022Date of Patent: February 10, 2026Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhijian Zhu, Pengcheng Lu, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Qian Wu, Longfei Fan, Dacheng Zhang
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Publication number: 20260033180Abstract: The present disclosure provides a display panel (PNL) and a display device. The display panel (PNL) comprises a display area (AA) and a binding area (BB) located on one side of the display area (AA); wherein, in the binding area (BB), there are multiple pads (PAD) arranged in sequence along a first direction DH; wherein, the multiple pads (PAD) comprise at least multiple first pads (PA) and multiple second pads (PB); each of the first pads (PA) comprises a first connection portion (PAY) and a first structure (PAX) located on one side of the first connection portion (PAY) near the display area (AA), a maximum width of the first structure (PAX) is greater than that of the first connection portion (PAY). The first structure (PAX) is located on one side of the second pad (PB) near the display area (AA).Type: ApplicationFiled: November 30, 2022Publication date: January 29, 2026Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao PU, Shengji YANG, Junyan YANG, Xiaochuan CHEN, Kuanta HUANG, Pengcheng LU, Yuhao LEE, Hongtao YU, Zhao MA, Mingrui ZHANG, Liuzeming QU, Zhuoyang XIE, Qi SU
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Patent number: 12532647Abstract: Provides are a display substrate and a display apparatus. The display substrate includes a base substrate, light-emitting devices and photosensitive devices on the base substrate in an array, orthographic projections of the photosensitive devices overlap orthographic projections of gaps of the light-emitting devices on the base substrate, each photosensitive device includes a photoelectric conversion layer, each photoelectric conversion layer includes at least one photoelectric conversion part; a black matrix on a side, away from the base substrate, of a layer where the light-emitting devices are; an orthographic projection of the black matrix overlaps the orthographic projections of the gaps of the light-emitting devices on the base substrate, the black matrix has openings, orthographic projections of the openings overlap the orthographic projections of the photoelectric conversion parts on the base substrate.Type: GrantFiled: April 11, 2022Date of Patent: January 20, 2026Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaoquan Hai, Yingzi Wang, Xue Dong, Xiaochuan Chen
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Publication number: 20260020482Abstract: A display panel and a display device. The display panel comprises a display substrate and a microlens layer. The display substrate comprises a plurality of subpixels; the plurality of subpixels comprise first subpixels, second subpixels, and third subpixels; and at least two of the light-emitting area of the first subpixel, the light-emitting area of the second subpixel, and the light-emitting area of the third subpixel are different. The microlens layer is arranged on the light exit side of the display substrate, and the microlens layer comprises a plurality of lenses. The subpixels are located in the orthographic projections of the lenses on the display substrate, and the centers of the subpixels are arranged opposite to the centers of the lenses.Type: ApplicationFiled: August 22, 2023Publication date: January 15, 2026Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Zhijian ZHU, Pengcheng LU, Fengxian TIAN, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Min LIU