Patents by Inventor Xueguang Hao
Xueguang Hao 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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Publication number: 20250087149Abstract: The present disclosure provides a display panel and a display apparatus, and belongs to the field of display technology, and can solve the problem of the color shift easily occurring in the high-temperature reliability test in the related display panel. The display panel of the present disclosure includes: a plurality of sub-pixel units and a voltage control module; each sub-pixel unit includes: a light emitting device; and the voltage control module is connected to an anode of the corresponding light emitting device, and is configured to control an anode voltage of the corresponding light emitting device, so that a ratio of the number of electrons to the number of holes of the light emitting device is unchanged at different gray scales.Type: ApplicationFiled: December 15, 2022Publication date: March 13, 2025Inventors: Kening ZHENG, Xueguang HAO, Xing YAO
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Publication number: 20250085804Abstract: A display panel and a display device are provided, the display panel includes a base substrate and a touch wire including a first sub-portion and a second sub-portion, a main surface of the base substrate is a first surface; the second sub-portion includes a first height portion and a second height portion, a height of the first height portion relative to the first surface is smaller than a height of the second height portion relative to the first surface, line widths of respective positions of the first height portion are inversely proportional to heights of the respective positions of the first height portion relative to the first surface, and line widths of respective positions of at least part of the second height portion are proportional to heights of the respective positions of the at least part of the second height portion relative to the first surface.Type: ApplicationFiled: November 21, 2024Publication date: March 13, 2025Inventors: Chunyan LI, Jingquan WANG, Xueguang HAO, Xinyin WU, Xinguo LI
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Publication number: 20250081787Abstract: The present disclosure provides a display panel, a method for preparing the same, and a display device. The display panel includes a substrate and a light-emitting functional layer. The substrate includes a first display area and a second display area at least partially surrounding the first display area, the first display area being configured for image display and light transmission, the second display area being configured for image display. The light-emitting functional layer is disposed on a side of the substrate, and includes an organic electroluminescent layer. Each of the first display area and the second display area includes a plurality of sub-pixels emitting light of different colors, and organic electroluminescent layers of respective sub-pixels of the plurality of sub-pixels in the first display area emit light of a same color.Type: ApplicationFiled: April 29, 2022Publication date: March 6, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Dongfang YANG, Kening ZHENG, Dengyu WANG, Yamin YANG, Xueguang HAO, Jingquan WANG
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Patent number: 12239002Abstract: A display substrate and a display device are provided. The display substrate includes a display region and an opening located in the display region, the opening penetrates through the display substrate, and the display substrate includes a base substrate, a driving circuit layer, a light-emitting component layer, an encapsulation layer, and a touch control layer. The driving circuit layer includes a first signal line at least partially surrounding the opening; the light-emitting component layer is provided on a side of the driving circuit layer away from the base substrate; the encapsulation layer is provided on a side of the light-emitting component layer away from the base substrate; the touch control layer includes a touch control electrode and a touch control compensation electrode at least partially surrounding the opening; the first signal line at least partially overlaps with the touch control compensation electrode.Type: GrantFiled: July 6, 2022Date of Patent: February 25, 2025Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingjing Xu, Xueguang Hao, Chunyan Li, Lang Liu, Jingquan Wang
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Patent number: 12232385Abstract: A display substrate and a display panel are disclosed. The display substrate includes a base substrate, and the base substrate includes a display region and a peripheral region on at least one side of the display region. The display region includes pixel units arranged in an array, first gate scanning signal lines, and second gate scanning signal lines; the peripheral region includes a first scanning driving circuit connected to the first gate scanning signal lines through first connection wires, a first scanning driving circuit connected to the second gate scanning signal lines through second connection wires, a first voltage signal line configured to provide a first voltage, and a second voltage signal line configured to provide a second voltage, and the second scanning driving circuit is on a side of the first scanning driving circuit close to the display region. The following is a clean version of the amended Abstract with the above-indicated changes/markings incorporated.Type: GrantFiled: August 24, 2022Date of Patent: February 18, 2025Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingbo Xu, Xueguang Hao, Jingquan Wang, Xinyin Wu, Lu Bai
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Patent number: 12211452Abstract: The display substrate includes a shift register arranged on a base substrate, and the shift register includes a plurality of stages of driving circuits; a plurality of stages of the driving circuit are provided in the driving circuit area of the base substrate; a stage of driving circuit area includes a first area and a second area, and the first area is provided with a first type of transistor included in the driving circuit, a second type of transistor included in the driving circuit is provided in the second area; one side of the first area is a side of the power line away from the second area, and the other side of the first area is a side close to the second area of an active layer of the first type of transistor close to the second area.Type: GrantFiled: May 31, 2023Date of Patent: January 28, 2025Assignees: Beijing BOE Technology Development Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Miao Liu, Xueguang Hao, Libin Liu, Teng Chen, Xinyin Wu, Yong Qiao, Xing Yao, Jingquan Wang
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Publication number: 20240373701Abstract: A display substrate includes a base substrate including a display area and a peripheral area on at least one side of the display area; a pixel array, located in the display area and including multiple pixel units; and, a scan driving module, located in a driving circuit area of the peripheral area, and including multiple shift register units, multiple signal lines being arranged in one shift register units, and extending along a first direction; wherein a ratio of a sum W1 of widths of the multiple signal lines in a second direction to a width W2 of the shift register unit in the second direction is W1/W2, and a length of at least one pixel unit along the first direction is a pixel pitch value; the first direction intersects the second direction; a product of W1/W2 and the pixel pitch value is greater than 18 um and less than 40 um.Type: ApplicationFiled: January 31, 2023Publication date: November 7, 2024Inventors: Xing YAO, Xueguang HAO, Yong QIAO, Jingquan WANG, Xinyin WU
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Publication number: 20240371329Abstract: The display substrate includes a shift register arranged on a base substrate, and the shift register includes a plurality of stages of driving circuits; a plurality of stages of the driving circuit are provided in the driving circuit area of the base substrate; a stage of driving circuit area includes a first area and a second area, and the first area is provided with a first type of transistor included in the driving circuit, a second type of transistor included in the driving circuit is provided in the second area; one side of the first area is a side of the power line away from the second area, and the other side of the first area is a side close to the second area of an active layer of the first type of transistor close to the second area.Type: ApplicationFiled: May 31, 2023Publication date: November 7, 2024Inventors: Miao LIU, Xueguang HAO, Libin LIU, Teng CHEN, Xinyin WU, Yong QIAO, Xing YAO, Jingquan WANG
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Publication number: 20240371316Abstract: A display substrate, including a scan drive control circuit including an input circuit, an output control circuit, and an output circuit; the input circuit is configured to transmit a signal of the signal input terminal to the output control circuit and a signal of the first clock signal terminal or the first voltage terminal to the output control circuit; the output control circuit is configured to store a signal of the first signal terminal, and transmit a signal of the second signal terminal to the first node; or, the output control circuit is configured to store a signal of the second clock signal terminal, and transmit a signal of the second voltage terminal to the first node; the output circuit is configured to output a signal of the first voltage terminal to the signal output terminal, or output the signal of the second voltage terminal to the signal output terminal.Type: ApplicationFiled: July 19, 2024Publication date: November 7, 2024Inventors: Miao LIU, Xueguang HAO, Jingbo XU, Xing YAO, Jingquan WANG, Xinyin WU, Xinguo LI, Zhichong WANG
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Patent number: 12114525Abstract: Disclosed are an OLED display panel and a display device. The OLED display panel includes a substrate, a plurality of light emitting components arranged in an array, and a light resistance structure between the light emitting components. The light resistance structure prevents the reflected light of the emergent light from the light emitting components, from emitting out from one side of the substrate between the light emitting components.Type: GrantFiled: April 11, 2020Date of Patent: October 8, 2024Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xueguang Hao, Yong Qiao, Xinyin Wu, Hongfei Cheng
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Patent number: 12108640Abstract: Provided is an array substrate, including: a first conductive wire, a second conductive wire and a first electrostatic protection unit, wherein the first electrostatic protection unit comprises a first thin-film transistor and a first capacitor; wherein a gate of the first thin-film transistor is suspended and is connected to a first electrode of the first thin-film transistor via the first capacitor, the first electrode of the thin-film transistor is connected to the first conductive wire, and a second electrode of the first thin-film transistor is connected to the second conductive wire.Type: GrantFiled: November 3, 2020Date of Patent: October 1, 2024Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hongfei Cheng, Xueguang Hao
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Publication number: 20240324372Abstract: A display substrate includes a base substrate (100), multiple first pixel circuits (11), multiple second active pixel circuits (12), multiple first light-emitting elements (13), multiple second light-emitting elements (14) and at least one first data line (21). The first data line (21) includes a first sub-data line (211) and a second sub-data line (212). The first sub-data line (211) is electrically connected with the multiple first pixel circuits (11) arranged along a first direction (D1), and the second sub-data line (212) is electrically connected with the multiple second active pixel circuits (12) arranged along the first direction (D1). The first sub-data line (211) and the second sub-data line (212) are electrically connected through a first transfer line (214), and the first transfer line (214) is located in a peripheral region (BB) and between a signal access region (B14) and a display region (AA).Type: ApplicationFiled: April 19, 2022Publication date: September 26, 2024Inventors: Yuxin ZHANG, Lili DU, Jingquan WANG, Xueguang HAO, Xinguo LI
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Patent number: 12094409Abstract: Embodiments of the present disclosure provide a pixel circuitry, a drive method thereof, an array substrate and a display panel. The pixel circuitry may comprise a drive circuit, a data write circuit, an initialization circuit, a first light emission control circuit, a first storage circuit, a second storage circuit and a second light emission control circuit. The drive circuit may be coupled to a first node, a second node and a third node, and may provide a drive current to a light emitting device. The first storage circuit may store a voltage difference between the first voltage signal terminal and the second node. The second storage circuit may store a voltage difference between the first node and the second node.Type: GrantFiled: February 7, 2021Date of Patent: September 17, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongfei Cheng, Xueguang Hao
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Patent number: 12080226Abstract: A display substrate, comprising a base substrate and a scan drive control circuit which is disposed in a non-display area of the base substrate. The scan drive control circuit comprises an input circuit, an output control circuit, and an output circuit. The output control circuit is connected to the input circuit and the output circuit. The output control circuit comprises a first node control capacitor and a second node control capacitor. The length of the first node control capacitor in a first direction LC1k, the length of the second node control capacitor in the first direction LC2k and the length of the scan drive control circuit in the first direction LY satisfy the following formula: L C ? 1 ? k L Y < L C ? 2 ? k L Y ; L C ? 1 ? k L Y < 0.2 .Type: GrantFiled: July 8, 2022Date of Patent: September 3, 2024Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Miao Liu, Xueguang Hao, Jingbo Xu, Xing Yao, Jingquan Wang, Xinyin Wu, Xinguo Li, Zhichong Wang
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Publication number: 20240276848Abstract: A display substrate, a preparing method therefor, and a display apparatus are disclosed. The display substrate includes a first display region (100) and a second display region (200), the second display region (200) at least partially surrounds the first display region (100), the first display region (100) is configured to perform image display and make light pass through, and the second display region (200) is configured to perform image display; in a plane perpendicular to the display substrate, the first display region (100) at least includes a display structure layer disposed on the base substrate (10) and a light-processing layer (50) disposed on a side of the display structure layer away from the base substrate (10), and the light-processing layer (50) at least includes a light-taking structure for improving light output efficiency.Type: ApplicationFiled: May 25, 2022Publication date: August 15, 2024Inventors: Xueguang HAO, Yong QIAO, Xinyin WU, Xinguo LI
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Publication number: 20240260321Abstract: A display substrate includes a base substrate including a display region and a frame region, multiple pixel circuits, first light-emitting elements and at least one first data line, located in a first sub-display region, multiple second light-emitting elements located in a second sub-display region. The display region includes a foldable first display region and second display region each including a first sub-display region and second sub-display region; multiple pixel circuits includes multiple first pixel circuits and second pixel circuits distributed among multiple first pixel circuits; at least one first pixel circuits is connected with at least one of multiple-first light-emitting elements; at least one of multiple second pixel circuits is connected with at least one of multiple second light-emitting elements; the first data line at least includes one sub-data line connected with the first pixel circuit and at least includes another sub-data line connected with the second pixel circuit.Type: ApplicationFiled: February 25, 2022Publication date: August 1, 2024Inventors: Jingjing XU, Fei FANG, Puyu QI, Kening ZHENG, Jun YAN, Kemeng TONG, Xueguang HAO, Pan LI, Yuxin ZHANG, Chunyan LI, Jingquan WANG, Xinguo LI
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Publication number: 20240220047Abstract: A display panel and a display device are provided, the display panel includes a base substrate and a touch wire including a first sub-portion and a second sub-portion, a main surface of the base substrate is a first surface; the second sub-portion includes a first height portion and a second height portion, a height of the first height portion relative to the first surface is smaller than a height of the second height portion relative to the first surface, line widths of respective positions of the first height portion are inversely proportional to heights of the respective positions of the first height portion relative to the first surface, and line widths of respective positions of at least part of the second height portion are proportional to heights of the respective positions of the at least part of the second height portion relative to the first surface.Type: ApplicationFiled: March 13, 2024Publication date: July 4, 2024Inventors: Chunyan LI, Jingquan WANG, Xueguang HAO, Xinyin WU, Xinguo LI
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Publication number: 20240215371Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.Type: ApplicationFiled: March 6, 2024Publication date: June 27, 2024Inventors: Chen XU, Xueguang HAO, Yong QIAO, Xinyin WU
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Patent number: 12008193Abstract: A display panel and a display device are provided, the display panel includes a base substrate and a touch wire including a first sub-portion and a second sub-portion, a main surface of the base substrate is a first surface; the second sub-portion includes a first height portion and a second height portion, a height of the first height portion relative to the first surface is smaller than a height of the second height portion relative to the first surface, line widths of respective positions of the first height portion are inversely proportional to heights of the respective positions of the first height portion relative to the first surface, and line widths of respective positions of at least part of the second height portion are proportional to heights of the respective positions of the at least part of the second height portion relative to the first surface.Type: GrantFiled: June 29, 2022Date of Patent: June 11, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunyan Li, Jingquan Wang, Xueguang Hao, Xinyin Wu, Xinguo Li
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Patent number: 12002422Abstract: A display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, a first power line and an electrical connection layer on the base substrate. Each sub-pixel includes a pixel circuit, and a plurality of sub-pixels are arranged in a plurality of rows and a plurality of columns along a first direction and a second direction. The sub-pixel is electrically connected with the light-emitting element through the electrical connection layer, and the portion, which is in the display region of the display substrate, of the electrical connection layer is not overlapped with the first power line in a direction perpendicular to the base substrate.Type: GrantFiled: September 14, 2020Date of Patent: June 4, 2024Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongfei Cheng, Xueguang Hao, Hui Li, Chen Xu, Pan Li