Patents by Inventor Cong Fan
Cong Fan 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: 12379816Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a display substrate and a touch panel. The touch panel includes multiple touch electrodes. At least one of the touch electrodes includes multiple grid patterns enclosed by metal wires. At least one of the grid patterns includes a first edge, second edge, third edge and fourth edge that form a ring. The first edge and the third edge extend in a second direction. The second edge and the fourth edge extend in a first direction. A shape of the grid pattern includes a first curved ring, a second curved ring, a third curved ring, or a fourth curved ring. A first edge and third edge of the first curved ring are curves curved towards a direction opposite to the first direction.Type: GrantFiled: March 23, 2024Date of Patent: August 5, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Shun Zhang, Yi Zhang, Ping Wen, Peng Xu, Chang Luo, Linhong Han, Weiyun Huang, Youngyik Ko, Yuanqi Zhang, Cong Fan
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Patent number: 12367823Abstract: Disclosed are a display substrate and a display apparatus, the display substrate includes a display region and a non-display region, the display substrate includes a base substrate and a circuit structure layer disposed on the base substrate, the circuit structure layer includes multiple pixel circuits arranged in an array and located in the display region and multiple drive circuits located in the non-display region. At least one pixel circuit includes multiple transistors and the multiple drive circuits are configured to provide drive signals to the multiple transistors; the circuit structure layer further includes: a high-level power supply line and a low-level power supply line located in the non-display region, at least one drive circuit is electrically connected with the high-level power supply line and the low-level power supply line respectively, and the high-level power supply line and the low-level power supply line extend along a first direction.Type: GrantFiled: June 2, 2022Date of Patent: July 22, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yujing Li, Ming Hu, Xiangdan Dong, Cong Fan, Rong Wang, Zhenhua Zhang, Kemeng Tong
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Publication number: 20250234725Abstract: Disclosed are a display Substrate and a display apparatus. The display substrate includes a display region (AA) and a bezel region (BB) located around the display region (AA), wherein the display region (AA) includes at least one corner region, the bezel region (BB) includes at least one corner region, the at least one corner region of the display region (AA) corresponds to the at least one corner region of the bezel region (BB); a power supply auxiliary line (L11) located in at least one corner region of the bezel region (BB) and arranged to be electrically connected with a first power supply line (VSS); a plurality of power supply connection lines (L12), at least a portion of the power supply connection lines (L12) are arranged to be electrically connected with the power supply auxiliary line (L11).Type: ApplicationFiled: March 28, 2023Publication date: July 17, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Wenzhe CAI, Cong FAN, Tingliang LIU, Kemeng TONG, Fan HE, Hui GUAN, Hanchao LI
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Publication number: 20250225900Abstract: A scan circuit is provided. The scan circuit includes a plurality of scan units. A respective scan unit of the plurality of scan units includes a plurality of transistors. A respective gate electrode of a respective transistor of the plurality of transistors includes a first portion and a second portion in different layers. First portions of respective gate electrodes of the plurality of transistors in the respective scan unit are configured to be provided with a power supply signal. Second portions of the respective gate electrodes of the plurality of transistors in the respective scan unit are configured to be provided with gate scanning signals, respectively. First portions of gate electrodes of at least two transistors in the respective scan unit are parts of a unitary structure.Type: ApplicationFiled: April 28, 2023Publication date: July 10, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Wenzhe Cai, Jia Liu, Cong Fan, Rong Wang, Yao Huang, Xiangdan Dong
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Publication number: 20250191542Abstract: A display substrate includes: a base substrate; light-emitting elements located in a display area; pixel driving circuits located respectively connected to the light-emitting elements, each pixel driving circuit including an N-type transistor and a P-type transistor; a first gate driving circuit, a second gate driving circuit and a third gate driving circuit in a border area of the display area, the first and third gate driving circuits being connected with the P-type transistor, the second gate driving circuit being connected with the N-type transistor, and orthographic projections of the first to third gate driving circuits on the base substrate are not overlapped with each other; and a planarization layer located between the pixel driving circuits and the light-emitting elements.Type: ApplicationFiled: February 19, 2025Publication date: June 12, 2025Inventors: Cong FAN, Xiangdan DONG, Kemeng TONG, Hongwei MA, Rong WANG
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Patent number: 12315452Abstract: An array substrate is provided. The array substrate includes a first semiconductor material layer and a second semiconductor material layer on a side of the first semiconductor material layer away from a base substrate. The first semiconductor material layer includes at least active layers of the driving transistor and the data write transistor. The second semiconductor material layer includes at least an active layer of the compensating transistor. A first capacitance is at least partially formed between a gate connecting pad and at least one of the second semiconductor material layer or a first node connecting line. A second capacitance is formed between the first node connecting line and a respective second gate line. The first capacitance is greater than the second capacitance.Type: GrantFiled: August 1, 2023Date of Patent: May 27, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Mengmeng Du, Yao Huang, Tingliang Liu, Lang Liu, Yuxin Zhang, Xilei Cao, Cong Fan, Zhiwei Xiang, Xiangdan Dong, Hanchao Li
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Publication number: 20250156001Abstract: A touch display panel, includes: a base substrate, and a display structure and a touch structure that are stacked on the base substrate, the touch structure includes a first metal mesh layer, an orthographic projection of a mesh hole of at least one first metal mesh of the first metal mesh layer on the base substrate covers orthographic projections of two pixel opening regions of two adjacent sub-pixels on the base substrate, and the two adjacent sub-pixels are configured to emit light of a first primary color; and a center distance between two pixel opening regions is smaller than a center distance between two pixel opening regions of two sub-pixels emitting light of same one other primary color, which is different to the first primary color. The touch display panel has a good display effect.Type: ApplicationFiled: January 8, 2025Publication date: May 15, 2025Inventors: Kemeng TONG, Fan HE, Cong FAN, Junxi WANG, Chi YU
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Publication number: 20250160151Abstract: An array substrate includes a substrate, data lines, fan-out leads, first dummy lines an second dummy lines. A fan-out lead includes a first lead and a second lead. The first lead extends from a lead-out region to a first wiring region. An end of the second lead is electrically connected to the first lead, and another end of the second lead is electrically connected to one data line. The first dummy lines are disposed in first wiring regions and located on a side, away from the lead-out region, of all first leads as a whole. A part of the second dummy lines is located in a second wiring region where no second lead is arranged; and another part of the second dummy lines is located in the second wiring region where the second lead is arranged and is located on at least one side of the second lead.Type: ApplicationFiled: August 22, 2022Publication date: May 15, 2025Inventors: Fan He, Kemeng Tong, Cong Fan, Yujing Li, Rong Wang, Xiangdan Dong
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Patent number: 12300180Abstract: A display substrate, includes: a base substrate; light-emitting elements located in a display area; pixel driving circuits located respectively connected to the light-emitting elements, each pixel driving circuit including an N-type transistor and a P-type transistor; a first gate driving circuit, a second gate driving circuit and a third gate driving circuit in a border area of the display area, the first and third gate driving circuits being connected with the P-type transistor, the second gate driving circuit being connected with the N-type transistor, and orthographic projections of the first to third gate driving circuits on the base substrate are not overlapped with each other; orthographic projections of adjacent boundary areas of the first and second gate driving circuits on the base substrate are at least partially nested; and a planarization layer located between the pixel driving circuits and the light-emitting elements.Type: GrantFiled: May 27, 2022Date of Patent: May 13, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cong Fan, Xiangdan Dong, Kemeng Tong, Hongwei Ma, Rong Wang
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Publication number: 20250151543Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a fanout region, the fanout region includes a first transition region, an isolation dam region, and a second transition region. The fanout region includes a gate metal layer and a source-drain metal layer, the gate metal layer includes any one or more of following: a first gate metal layer, a second gate metal layer, and a third gate metal layer. The gate metal layer is provided with a power supply connection line, the source-drain metal layer is provided with a first power supply line, the first power supply line is disposed in the first transition region and the second transition region, a first power supply line of the first transition region and a first power supply line of the second transition region are interconnected through the power supply connection line.Type: ApplicationFiled: September 28, 2022Publication date: May 8, 2025Inventors: Rong WANG, Yi HE, Cong FAN, Fan HE, Xiangdan DONG
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Patent number: 12293053Abstract: A touch structure, a touch display panel, and a display device are provided. The touch structure includes a substrate and a first metal grid electrode layer, an insulating layer, a second metal grid electrode layer on the substrate. The first metal grid electrode layer is on a side of the second metal grid electrode layer away from the substrate; the first metal grid electrode layer includes a plurality of first metal grids formed by a plurality of first metal lines, the second metal grid electrode layer includes a plurality of second metal grids formed by a plurality of second metal lines, first portions of the plurality of the first metal lines and second portions of the plurality of the second metal lines have same line extension directions, respectively, and overlap with each other in a direction perpendicular to a surface of the substrate.Type: GrantFiled: December 8, 2023Date of Patent: May 6, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Kemeng Tong, Cong Fan, Fan He, Yu Wang, Xiangdan Dong, Jiangtao Deng
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Publication number: 20250093996Abstract: This application provides a touch substrate and a display device. The touch substrate comprises a touch area and a peripheral area surrounding the touch area. The touch substrate further comprises: a touch electrode and a touch signal line that are coupled to each other. At least portion of the touch electrode is located in the touch area. At least portion of the touch signal line is located in the peripheral area, the touch signal line comprises at least one corner portion, the at least one corner portion comprises a first part, a second part and a third part that are connected end to end in sequence, an extension direction of the first part is the same as an extension direction of the third part, and an extension direction of the second part intersects with the extension direction of the first part.Type: ApplicationFiled: November 27, 2024Publication date: March 20, 2025Inventors: Fan HE, Kemeng TONG, Cong FAN, Yu WANG, Hongwei MA, Qian MA
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Publication number: 20250081811Abstract: Embodiments of the present disclosure disclose a display panel, a manufacturing method therefor, and a display device. The display panel includes a base substrate, the display panel being provided with a through hole penetrating through the base substrate along a thickness direction of the base substrate, and the base substrate being provided with a display region and a through hole packaging region located between the display region and the through hole; a first source-drain metal layer located at a side of the base substrate; a second source-drain metal layer located at a side of the first source-drain metal layer away from the base substrate; at least one spacer located at a side of the base substrate, located in the through hole packaging region and arranged around the through hole. The at least one spacer is disposed in a different layer from the second source-drain metal layer.Type: ApplicationFiled: September 20, 2022Publication date: March 6, 2025Inventors: Xiangdan DONG, Ming HU, Cong FAN
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Publication number: 20250068269Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a display substrate and a touch panel including multiple touch electrodes, At least one of which includes multiple grid patterns enclosed by metal wires. At least one grid pattern includes a first edge, second edge, third edge and fourth edge that form a ring. The first edge and the third edge extend in a second direction. The second edge and the fourth edge extend in a first direction. A shape of the grid pattern includes a first curved ring, a second curved ring, a third curved ring, or a fourth curved ring. A first edge and third edge of the first curved ring are curves curved towards a direction opposite to the first direction. A first edge and third edge of the second curved ring are curves curved towards the first direction.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Inventors: Shun ZHANG, Yi ZHANG, Ping WEN, Peng XU, Chang LUO, Linhong HAN, Weiyun HUANG, Youngyik KO, Yuanqi ZHANG, Cong FAN
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Publication number: 20250068277Abstract: A display panel, including a display region and a peripheral region arranged around the display region, where the display panel includes: a base substrate; and a grid-shaped conductive part, arranged on a side of the base substrate and located in the display region; the grid-shaped conductive part includes: a touch detection electrode; and a touch detection lead wire, arranged on a side of the touch detection electrode close to the peripheral region, and at least partially located in the display region; wherein a first gap is provided between an orthographic projection of the touch detection lead wire on the base substrate and an orthographic projection of the touch detection electrode on the base substrate.Type: ApplicationFiled: November 13, 2024Publication date: February 27, 2025Inventors: Kemeng TONG, Cong FAN, Fan HE, Xiangdan DONG
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Patent number: 12236858Abstract: A display substrate and a display apparatus are disclosed. The display substrate includes: a base substrate including a first and second display regions; a light transmittance of the first display region is greater than that of the second display region; first sub-pixels in the first display region. At least one first sub-pixel includes a first pixel circuit and a first light emitting device; the first pixel circuit includes a storage capacitor and a driving transistor; and a data writing sub-circuit configured to write a data voltage signal to a gate electrode of the driving transistor in response to a first and second scan signals; a reset sub-circuit configured to provide an initialization voltage signal to a first electrode of the first light emitting device in response to the second scan signal; and a luminescent control sub-circuit configured to transmit a driving current to the first light emitting device.Type: GrantFiled: September 28, 2021Date of Patent: February 25, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingwen Zhang, Ziyang Yu, Yunsheng Xiao, Gukhwan Song, Cong Fan, Xiangdan Dong
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Publication number: 20250060852Abstract: A touch control substrate includes: a base, a first metal layer including first touch control signal lines, a first insulating layer; and a second metal layer including: second touch control signal lines electrically connected with the first touch control signal lines. An orthographic projection of an edge of a first end of the first touch control signal line on the base does not overlap with an orthographic projection of an edge of a first end of the second touch control signal line electrically connected with the first touch control signal line on the base. The orthographic projection of the edge of the first end of the first touch control signal line on the base at least partially overlap with an orthographic projection of the second touch control signal line on the base.Type: ApplicationFiled: November 6, 2024Publication date: February 20, 2025Inventors: Yu WANG, Cong FAN, Kemeng TONG, Fan HE, Guoyi CUI, Xiangdan DONG, Jiangtao DENG
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Patent number: 12223136Abstract: This application provides a touch substrate and a display device. The touch substrate comprises a touch area and a peripheral area surrounding the touch area. The touch substrate further comprises: a touch electrode and a touch signal line that are coupled to each other. At least portion of the touch electrode is located in the touch area. At least portion of the touch signal line is located in the peripheral area, the touch signal line comprises at least one corner portion, the at least one corner portion comprises a first part, a second part and a third part that are connected end to end in sequence, an extension direction of the first part is the same as an extension direction of the third part, and an extension direction of the second part intersects with the extension direction of the first part.Type: GrantFiled: November 8, 2023Date of Patent: February 11, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fan He, Kemeng Tong, Cong Fan, Yu Wang, Hongwei Ma, Qian Ma
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Publication number: 20250046248Abstract: An array substrate is provided. The array substrate includes a first semiconductor material layer and a second semiconductor material layer on a side of the first semiconductor material layer away from a base substrate. The first semiconductor material layer includes at least active layers of the driving transistor and the data write transistor. The second semiconductor material layer includes at least an active layer of the compensating transistor. A first capacitance is at least partially formed between a gate connecting pad and at least one of the second semiconductor material layer or a first node connecting line. A second capacitance is formed between the first node connecting line and a respective second gate line. The first capacitance is greater than the second capacitance.Type: ApplicationFiled: August 1, 2023Publication date: February 6, 2025Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Mengmeng Du, Yao Huang, Tingliang Liu, Lang Liu, Yuxin Zhang, Xilei Cao, Cong Fan, Zhiwei Xiang, Xiangdan Dong, Hanchao Li
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Publication number: 20250031526Abstract: A display substrate and a display apparatus are provided. The display substrate includes sub-pixels, a pixel defining pattern, and a defining structure. The sub-pixel includes a light-emitting functional layer. The pixel defining pattern includes first openings and second openings, a portion in the defining structure exposed by the second opening is configured to isolate the light-emitting functional layer. The sub-pixels include a first sub-pixel and a second sub-pixel, a turn-on voltage of the first sub-pixel is higher than that of the second sub-pixel; the defining structure includes a first defining structure surrounding the second sub-pixel and a second defining structure surrounding the second sub-pixel; the first defining structure is not exposed by the second opening; or a proportion of the first defining structure exposed by the second opening is less than a proportion of the second defining structure exposed by the second opening.Type: ApplicationFiled: April 25, 2023Publication date: January 23, 2025Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Wei ZHANG, Ming HU, Haijun QIU, Xiangdan DONG, Yi ZHANG, Zhiliang JIANG, Rui WANG, Taofeng XIE, Hai ZHENG, Fengli JI, Haigang QING, Gukhwan SONG, Tingliang LIU, Yu WANG, Cong FAN