Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Publication number: 20240177665
    Abstract: A display substrate and a display device are provided. The display substrate includes a first display region and a first region at least partially surrounding the first display region; the first display region includes first light-emitting elements, the first region includes first pixel circuits and at least one first capacitance compensation structure, and the display substrate includes transparent wiring lines extending from the first region to the first display region; the first pixel circuit is electrically connected to the first light-emitting element through the transparent wiring line, and is configured to control a driving current flowing through the first pixel circuit, the transparent wiring line, and the first light-emitting element; and the first capacitance compensation structure is coupled to the transparent wiring line, and is configured to compensate for a parasitic capacitance caused by the transparent wiring line coupled to the first capacitance compensation structure.
    Type: Application
    Filed: April 30, 2021
    Publication date: May 30, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanyou QIU, Yao HUANG, Qiwei WANG
  • Publication number: 20240179967
    Abstract: Display substrate, manufacturing method thereof and display apparatus are provided. The display substrate includes display and periphery areas, and further includes: first and second signal lines, first and second planarization layers, where each of first and second signal lines is located at periphery area, and includes portion extending in first direction; at least part of first signal line is located between display area and second signal line, first spacing region is provided between projection of first signal line onto base of display substrate and projection of second signal line onto base; first planarization portion including first planarization portion located at periphery area; second planarization layer including first via hole, projection of which onto base overlaps with first spacing region at first overlap region; and projection of first planarization portion onto base overlaps with first overlap region at second overlap region.
    Type: Application
    Filed: June 25, 2021
    Publication date: May 30, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong YI, Tiaomei ZHANG, Haigang QING
  • Publication number: 20240179948
    Abstract: An array substrate includes a planarization layer; an anode material layer on the planarization layer and in a peripheral area of the array substrate; and a plurality of gas releasing vias extending through the anode material layer configured to release gas in the planarization layer during a fabrication process. An aperture size of a first respective gas releasing via in a first region is smaller than an aperture size of a second respective gas releasing via in a second region.
    Type: Application
    Filed: July 30, 2021
    Publication date: May 30, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Da Zhou, Jianbo Wang, Taoran Zhang, Li Huang, Yang Zhou
  • Publication number: 20240177661
    Abstract: An array substrate is provided. The array substrate includes K number of reset signal lines respectively configured to provide reset signals to reset transistors in K columns pixel driving circuits of the array substrate. The K number of reset signal lines includes a plurality of third reset signal lines in (2k?1)-th columns of K columns, K and k being positive integers, 1?k?(K/2), and a plurality of fourth reset signal lines in (2k)-th columns of the K columns. A respective third reset signal line and a respective fourth reset signal line have different line patterns.
    Type: Application
    Filed: September 17, 2021
    Publication date: May 30, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tinghua Shang, Biao Liu, Siyu Wang, Yuge Chu, Yi Zhang
  • Publication number: 20240179989
    Abstract: A display substrate and a display device are disclosed, and the display substrate has a plurality of sub-pixels, and includes a base substrate, a driving circuit layer, a pixel definition layer and a light-emitting device layer, and a black matrix layer. Each sub-pixel includes a pixel driving circuit in the driving circuit layer and a light-emitting device in the light-emitting device layer. The black matrix layer includes a plurality of first light-transmitting openings respectively exposing the light-emitting devices of the plurality of sub-pixels in a direction perpendicular to a surface of the base substrate. The pixel definition layer includes a plurality of sub-pixel openings, at least part of the plurality of sub-pixel openings are in one-to-one correspondence with and at least partially overlapped with the plurality of first light-transmitting openings, and at least one of the plurality of first light-transmitting openings has an arc-shaped edge.
    Type: Application
    Filed: November 4, 2021
    Publication date: May 30, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Youchun CHEN, Dan GUO, Shuo LI, Hongcheng GAO, Jiandong BAO, Jiwei WANG, Sheng GUO, Peng HOU, Yue LIU
  • Publication number: 20240177669
    Abstract: A pixel circuit and a driving method therefor, and a display device are provided. The pixel circuit includes a driving subcircuit, a first light emitting control subcircuit, a second light emitting control subcircuit, a first switching subcircuit, a second switching subcircuit, a third switching subcircuit, a fourth switching subcircuit and an energy storage subcircuit.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 30, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yao HUANG, Binyan WANG, Zhi WANG, Chao WU
  • Publication number: 20240177657
    Abstract: A pixel driving circuit is provided. The pixel driving circuit includes a driving transistor; a storage capacitor; a first reset transistor having a gate electrode connected to a first gate line in a present stage of a plurality of first gate lines, a source electrode connected to a respective first reset signal line of a plurality of first reset signal lines, and a drain electrode connected to an anode of a light emitting element; and a second reset transistor having a gate electrode connected to a first gate line in a previous stage of the plurality of first gate lines, a source electrode connected to a respective second reset signal line of a plurality of second reset signal lines, and a drain electrode connected to a drain electrode of the driving transistor.
    Type: Application
    Filed: September 17, 2021
    Publication date: May 30, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Rui Wang, Chao Zeng, Ming Hu, Haijun Qiu, Weiyun Huang, Tianyi Cheng
  • Patent number: 11997794
    Abstract: A display device is provided. The display device includes: a display substrate having a non-display side, a first driver being provided at the non-display side of the display substrate; a touch module comprising a touch layer and a touch flexible circuit board connected with the touch layer, the touch flexible circuit board comprising a flat portion located at a side of the second portion away from the first portion and a second bent portion for connecting the touch layer and the flat portion; and a supporting wall between the flat portion of the touch flexible circuit board and the second portion of the display substrate, and the supporting wall is located on at least one side of the first driver in a direction parallel to the flat portion of the touch flexible circuit board.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: May 28, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuang Zhang, Xiaoxia Huang, Jiangsheng Wang, Jianjun Wu, Xuerui Gong, Bing Ji
  • Patent number: 11997915
    Abstract: A display substrate, including: a main display area, including a main display surface; and a bending portion, disposed around a periphery of the main display area, the bending portion is connected to the periphery of the main display area and is bent in a direction away from the main display surface, the bending portion includes: a plurality of side display areas, each of which is connected to a side edge of the main display area, and each side display area includes a side display surface; and a plurality of corner portions, each corner portion is connected to a turning of the main display area and is located between two adjacent side display areas, and wherein the main display surface and the side display surfaces constitute a display area, the corner portions constitute a non-display area, and the plurality of side display areas and the plurality of corner portions extend continuously.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: May 28, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kuo Sun, Haijun Yin, Liqiang Chen, Jiafan Shi, Renrong Gai
  • Patent number: 11997897
    Abstract: A display substrate includes a display region and a peripheral region on a periphery of the display region. At least multiple sub-pixels are arranged in the display region. At least one sub-pixel includes a pixel driving circuit arranged on an underlay substrate and a light emitting element connected with the pixel driving circuit. The pixel driving circuit is connected with a first initial signal line. The first initial signal line is arranged to provide a first initial voltage to the light emitting element under the control of the pixel driving circuit. A first power line and a signal connection line are arranged in the peripheral region. The first initial signal line is connected with the first power line through the signal connection line in the peripheral region.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 28, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lili Du, Benlian Wang, Yue Long, Weiyun Huang, Binyan Wang
  • Patent number: 11993839
    Abstract: A mask has a mask pattern region and a non-mask pattern region located at a peripheral of the mask pattern region. The mask pattern region includes at least one effective mask region. In any effective mask region, the mask includes a plurality of evaporation holes and at least one shielding; strip. Each shielding, strip is located between two adjacent evaporation holes. The mask has at least one welding region in the non-mask pattern region. A thickness of a portion of the mask in the non-mask pattern region and at least in the welding region is greater than a thickness of the shielding strip of the mask in the effective mask region, and the thickness refers to a dimension of the corresponding portion along a direction perpendicular to a plane where the mask is located.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: May 28, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yong Zheng, Shuai Du, Wenbiao Ding
  • Patent number: 11997886
    Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes at least one opening, and further includes: a substrate; a thin film transistor structure layer; a first inorganic passivation layer; an organic planarization layer on a side of the first inorganic passivation layer distal to the thin film transistor structure layer; and a second inorganic passivation layer on a side of the organic planarization layer distal to the first inorganic passivation layer. The second inorganic passivation layer extends toward the first inorganic passivation layer alone a side of the organic planarization layer proximal to the at least one opening and covers an exposed portion of the organic planarization layer on a side of the organic planarization layer proximal to the at least one opening.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: May 28, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Jia, Tao Gao, Zubin Lv
  • Patent number: 11997890
    Abstract: A display substrate includes a base, a voltage signal line, a driving circuit structure, a cathode overlapping layer and a cathode layer. The voltage signal line is located in the non-display region and is arranged around the display region. The driving circuit structure is located in the non-display region, and is located at a side of the voltage signal line proximate to the display region in a first direction. The cathode overlapping layer is located in the non-display region and is arranged around the display region. At least a part of a surface of a first portion of the cathode overlapping layer proximate to the base is in electrical contact with a corresponding part of the voltage signal line. An orthographic projection of a second portion of the cathode overlapping layer on the base at least partially overlaps an orthographic projection of the driving circuit structure on the base.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 28, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Xu, Jiangtao Deng, Weiwei Ding
  • Patent number: 11997903
    Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a display region and a binding region located on one side of the display region. The binding region includes: a source driver circuit, a flexible printed circuit board, a first selector circuit, a second selector circuit and a plurality of selection connection lines. For at least one selection connection line of the plurality of selection connection lines, one end of the selection connection line is connected to an input port of the first selector circuit, and the other end is connected to an input port of the second selector circuit. The flexible printed circuit board is disposed on one side, away from the display region, of the source driver circuit, and the plurality of selection connection lines are arranged between the source driving circuit and the flexible printed circuit board.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: May 28, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chao Zeng, Weiyun Huang, Youngyik Ko
  • Patent number: 11995256
    Abstract: 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: Grant
    Filed: April 20, 2021
    Date of Patent: May 28, 2024
    Assignees: 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
  • Publication number: 20240169912
    Abstract: A display panel and a display device are provided. The display panel includes: a pixel unit including a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor and a data writing transistor; and a data line connected to the data writing transistor; the data line includes a plurality of first-type data lines and a plurality of second-type data lines, each of the plurality of second-type data lines includes a first portion, a second portion, and a third portion, and the first portion and the second portion are connected by the third portion, the third portion and the second portion are located in different layers, the third portion and the first portion are located in different layers, the first portion is closer to the base substrate than the third portion, and the second portion is closer to the base substrate than the third portion.
    Type: Application
    Filed: April 30, 2021
    Publication date: May 23, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue LONG, Yao HUANG, Lili DU, Weiyun HUANG, Yuanjie XU, Binyan WANG, Yudiao CHENG
  • Publication number: 20240169905
    Abstract: A pixel driving circuit, a pixel driving method and a display device are provided. The pixel driving circuit is used for driving a light emitting element, the pixel driving circuit includes a driving circuit and a reset circuit; the reset circuit is electrically connected to a first terminal of the driving circuit or a second terminal of the driving circuit, and is configured to initialize a potential of the first terminal of the driving circuit or a potential of the second terminal of the driving circuit in an initialization phase; the driving circuit is configured to control connection between the first terminal of the driving circuit and the second terminal of the driving circuit under the control of a potential of a control terminal of the driving circuit.
    Type: Application
    Filed: July 12, 2022
    Publication date: May 23, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xilei CAO, Benlian WANG
  • Publication number: 20240168592
    Abstract: Provided in the present application are a touch substrate, a touch module, and a display device. The touch substrate includes a base substrate, a touch sensing layer, a plurality of first leads and a plurality of second leads, a shielding line, and a ground line. In a direction in which the shielding line is away from the base substrate, at least one first slit cutting through the shielding line and/or at least one second slit cutting through the ground line is formed. The first slit extends in a length direction of the shielding line, and the second slit extends in a length direction of the ground line.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 23, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yuanqi ZHANG, Shun ZHANG, Yi ZHANG, Ping WEN
  • Publication number: 20240168598
    Abstract: A touch structure and a display panel, the touch structure includes a substrate and a plurality of touch units, at least one touch unit includes a first conductive layer, a spacing insulating layer and a second conductive layer; the first conductive layer includes a first pattern formed by first wirings, and the second conductive layer includes a second pattern formed by second wirings, at least one first wiring includes a first overlapping part overlapped with at least one second wiring, the at least one second wiring includes a second overlapping part overlapped with the first overlapping part, and a first segment has a different extending direction from a second segment, the first segment is a segment of the first wiring with the first overlapping part as an extending end, and the second segment is a segment of the second wiring with the second overlapping part as an extending end.
    Type: Application
    Filed: May 19, 2021
    Publication date: May 23, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinglong HE, Zhangmin WU, Zewen BO, Shuo LI
  • Publication number: 20240172497
    Abstract: A display substrate and a display device are provided. The display substrate includes a display region, at least one first signal line, and at least one connecting wire. The display region includes a first display region and a second display region; the first display region includes at least one first light emitting element, and the second display region includes at least one first pixel circuit; the first signal line includes a first main body portion and a first winding portion; the first main body portion extends along a first direction, and at least part of the first winding portion extends along a direction intersecting with the first direction; at least one first signal line is electrically connected to at least one first pixel circuit; and at least one first pixel circuit is configured to respectively drive at least one first light emitting element.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 23, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun HUANG, Yao HUANG, Chi YU, Xingliang XIAO, Bo SHI, Benlian WANG