Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Publication number: 20240119897
    Abstract: A pixel circuit and a driving method therefor and a display panel are provided. The pixel circuit includes a driving circuit, a data writing circuit, a storage circuit, and a first reset circuit; the driving circuit includes a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light; the data write circuit is configured to write a data signal into the control terminal of the driving circuit; the storage circuit is configured to store the data signal; the first reset circuit is configured to apply a first initialization voltage to the control terminal of the driving circuit; the driving circuit and the data write circuit each include an N-type thin film transistor; and the first reset circuit includes an N-type oxide thin film transistor.
    Type: Application
    Filed: July 5, 2022
    Publication date: April 11, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenhua Zhang, Dongfang Yang, Xilei Cao, Xueguang Hao, Lang Liu, Jingyi Feng, Changlong Yuan, Xiaoxin Li, Li Zhu
  • Publication number: 20240119914
    Abstract: Provided is a display panel. The display panel includes: a base substrate, including a display region and a periphery region at least partially surrounding the display region, wherein the display region includes a first display region and a second display region disposed at least on one side of the first display region, a light transmittance of the first display region being greater than a light transmittance of the second display region; a plurality of first pixel units disposed on the base substrate and in the first display region; and a plurality of signal lines disposed at least in the first display region and electrically connected to the plurality of first pixel units, wherein the plurality of signal lines include a plurality of first signal lines and a plurality of second signal lines.
    Type: Application
    Filed: August 9, 2022
    Publication date: April 11, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Fei FANG, Ke LIU, Ling SHI, Ruoxiang LI
  • Patent number: 11956995
    Abstract: The OLED display includes a flat display area and an edge curved-surface display area; wherein the edge curved-surface display area is provided with an optical film layer, and the optical film layer is configured to reduce a light intensity of emergent light with a preset color in the edge curved-surface display area.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiangrong Xie, Chao Kong, Kening Zheng, Yamin Yang, Han Nie
  • Patent number: 11957025
    Abstract: Provided is a touch display panel. The touch display panel includes a drive back plate; a light-emitting device, disposed on the drive back plate; an encapsulation layer, disposed on a side of the light-emitting device distal from the drive back plate; and a touch layer, disposed on a side of the encapsulation layer distal from the light-emitting device, wherein the touch layer includes a first touch electrode layer and a second touch electrode layer laminated in sequence, and the touch layer further includes a touch insulating layer.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhiwen Chu, Bo Zhang, Hongwei Ma, Qian Ma, Tingliang Liu
  • Patent number: 11957033
    Abstract: Provided are a display panel, a manufacturing method thereof, and a display device. The display panel includes an alignment mark region arranged within a flat region of a peripheral region of the display panel. The peripheral region is a region of the display panel other than an active area of the display panel. An alignment mark pattern is arranged within the alignment mark region, and/or at least one film layer within the alignment mark region is hollowed out.
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huijuan Yang, Tingliang Liu, Tinghua Shang, Yang Zhou, Pengfei Yu, Yi Zhang, Junxi Wang
  • Patent number: 11957008
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit and pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels includes a first sub-pixel and a second sub-pixel which are directly adjacent in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shuangbin Yang, Bo Cheng, Mengmeng Du, Xiangdan Dong
  • Patent number: 11953791
    Abstract: There are provided a display panel and a manufacturing method thereof. The display panel includes first and second display sub-panels with a gap region arranged therebetween; and a light-shielding layer at least located in the gap region, the first and second display sub-panels each include multiple pixel units arranged in an array, each pixel unit includes: a substrate; a data line on the substrate; a black matrix on a side of the data line away from the substrate, an orthographic projection of the data line on the substrate falls within that of the black matrix on the substrate, in at least one of the first and second display sub-panel, the black matrix of the pixel unit closest to the gap region and the light-shielding layer are arranged with an interval therebetween, the black matrix is located on a side of the light-shielding layer away from the gap region.
    Type: Grant
    Filed: March 29, 2023
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Peng Zhou, Xiaojing Qi, Bo Wu, Xiangdong Qin
  • Patent number: 11955060
    Abstract: A display substrate and a display panel are provided. The display substrate includes a base substrate; the base substrate includes a display region and a peripheral region on at least one side of the display region; the peripheral region includes a first peripheral sub-region and a second peripheral sub-region, the display region includes a first display sub-region corresponding to the first peripheral sub-region and a second display sub-region corresponding to the second peripheral sub-region, and the second display sub-region is different from the first display sub-region; the second peripheral sub-region includes a first gate driving circuit, and the first gate driving circuit is configured to be connected to a plurality of gate scanning signal lines in the first display sub-region through a plurality of connecting lines in the display region, to respectively providing a gate scanning signal to a plurality of rows of pixel units in the first display sub-region.
    Type: Grant
    Filed: May 21, 2021
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Donghui Tian, Rong Wang, Xiangdan Dong, Mengmeng Du, Fan He, Cong Fan, Yujing Li
  • Patent number: 11956988
    Abstract: A display substrate including: a base substrate with a display region, an encapsulation region and an edge region on a periphery of the encapsulation region, the edge region includes a bonding region on at least one side of the base substrate; a plurality of stacked inorganic film layers on a side of the base substrate; a plurality of first grooves, at the edge region, spaced apart from each other in a direction distal from the encapsulation region, and extending along a periphery of the base substrate, at least one of the plurality of first groove runs through at least one inorganic film layer of the plurality of inorganic film layers, and a distance between each first groove and the display region is larger than that between each first groove and an edge of the base substrate; and an organic layer.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: April 9, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO. LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhiliang Jiang, Pan Zhao
  • Patent number: 11954294
    Abstract: A touch substrate and a manufacturing method therefor, and a touch display device and a control method therefor. The touch substrate comprises a base substrate and a touch electrode structure. The touch substrate comprises a bendable region, and a first non-bendable region and a second non-bendable region adjacent to the bendable region. The touch electrode structure comprises a first touch electrode structure located in the first non-bendable region, and a second touch electrode structure located in the second non-bendable region. The first touch electrode structure comprises a plurality of first transmitter electrode groups and a plurality of first receiver electrode groups. The second touch electrode structure comprises a plurality of second transmitter electrode groups and a plurality of second receiver electrode groups. The bendable region comprises at least a first receiver electrode and a second receiver electrode.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Yao Hu
  • Patent number: 11956986
    Abstract: A flexible display screen includes: a flexible substrate (1); an OLED device layer (2) formed on the flexible substrate (1); an encapsulation layer(3), disposed on the OLED device layer(2) and encapsulating the OLED device layer (2); and an encapsulation protection layer (4) formed on the encapsulation layer (3). The embodiments of the present disclosure also provide a flexible display device and a manufacturing method of the flexible display screen.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yaming Wang, Liqiang Chen, Yanxin Wang, Chuntong Jiang, Jiali Wang, Xu Li, Rui Hou, Le Chang
  • Patent number: 11955088
    Abstract: A display substrate includes a base substrate, multiple sub-pixels, multiple first gate drive circuits, and at least one auxiliary structure. The base substrate includes a display region and a peripheral region located at a periphery of the display region. The multiple sub-pixels are located in the display region. The multiple first gate drive circuits and the at least one auxiliary structure are located in the peripheral region. The multiple first gate drive circuits are configured to provide first gate drive signals to the multiple sub-pixels. One auxiliary structure is disposed between adjacent first gate drive circuits.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 9, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lu Bai, Yang Zhou, Yi Qu, Chang Luo, Huijuan Yang, Yi Zhang, Junxiu Dai
  • Publication number: 20240114736
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a pixel circuit layer and an anode layer; the pixel circuit layer includes a plurality of pixel driving circuits, the anode layer includes a plurality of anode groups, each of the plurality of anode groups includes a first anode and a second anode which are oppositely arranged, the first anode includes a first main body portion and a first connection portion, the first anode further includes an extension portion and an anode compensation portion, an orthographic projection of the anode compensation portion on the base substrate covers one thin film transistor in the pixel driving circuit connected to the first connection portion.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lulu YANG, Tinghua SHANG, Guomeng ZHANG, Yu WANG, Xiaofeng JIANG, Xin ZHANG, Yupeng HE, Yi QU, Biao LIU, Mengmeng DU, Xiangdan DONG, Hongwei MA
  • Publication number: 20240112639
    Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, a gate driving circuit, power lines, a first signal line group, and a second signal line group. The gate driving circuit includes cascaded shift register units; the power lines are configured to provide power signals to the shift register units; the first signal line group includes at least one clock signal line, and the clock signal line is configured to provide a clock signal to the shift register units; the second signal line group includes a trigger signal line, and the trigger signal line is configured to provide a trigger signal to a first-stage shift register unit; and the gate driving circuit includes at least one transistor, and an extending direction of a channel of the transistor is parallel to an extending direction of the clock signal line.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chao ZENG, Weiyun HUANG, Yue LONG, Yao HUANG, Meng LI
  • Patent number: 11945202
    Abstract: A curved surface lamination device, comprising a profiling jig (01), the profiling jig (01) comprising a base (101) and a profiling portion (102), with the profiling portion (102) being configured to support a carrier film (02), and the side of the base (101) facing away from the profiling portion (102) being provided with an opening; and a lower jig (03), comprising a first sinking groove (301), with part of the base (101) being inserted into the first sinking groove (301), such that the lower jig (03) encloses a hollow structure (E) with the base (101) at the opening position.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: April 2, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xingguo Liu, Wei Qing, Qiang Tang, Shaokui Liu, Wenwei Mo
  • Patent number: 11947393
    Abstract: Disclosed are a foldable screen and a display device. The foldable screen includes: a flexible display panel and a plurality of elastic portions, wherein each of the elastic portions includes each of elastic support members and two connecting rods fixedly connected to each of the elastic support members; wherein the two connecting rods are respectively connected to two flat portions of the flexible display panel, and the elastic support members are configured to supply a support force to the foldable portion in the case that a display surface of the foldable portion of the flexible display panel is coplanar with those of the flat portions.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: April 2, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Renzhe Xu, Bin Zhang, Haotian Yang, Yiming Wang, Wei Gong, Jingyu Piao, Xiaodong Hao, Danyang Bi, Kang Wang, Inho Park, Xiaoliang Fu, Yuanyuan Chai, Seungyong Oh
  • Patent number: 11948396
    Abstract: A display assembly and a display apparatus. The display assembly comprises a display panel, a first flexible circuit board and a fingerprint sensor, wherein the first flexible circuit board is connected to the display panel in a binding manner and is positioned on the side of the display panel that faces away from a display surface; a display signal line coupled to the display panel is arranged on the first flexible circuit board; the fingerprint sensor is fixed on the side of the first flexible circuit board that is close to the display panel, and a light-sensitive surface of the fingerprint sensor is close to the display panel; and at least some sections of at least some fingerprint identification signal lines in fingerprint identification signal lines connected to the fingerprint sensor are arranged on the first flexible circuit board.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: April 2, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Fengxian Wang, Chuanyan Lan, Qiang Tang, Jing Gao
  • Patent number: 11948512
    Abstract: A display substrate and a display device are provided. Sub-pixels in the display substrate include a first electrode, a light emitting layer and a second electrode which are sequentially stacked; each second electrode includes a main body electrode and a connecting electrode. The sub-pixels include first color sub-pixels and second color sub-pixels, the main body electrode of a same first color sub-pixel is a continuous electrode. The sub-pixels include sub-pixel pairs, each sub-pixel pair includes a first pixel block and a second pixel block, a shape of the second electrode of the second pixel block is different from that of the second electrode of the first pixel block.
    Type: Grant
    Filed: May 11, 2023
    Date of Patent: April 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua Shang, Yang Zhou, Haigang Qing, Linhong Han, Ling Shi, Yao Huang
  • Patent number: 11948500
    Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. In the display substrate, each signal line includes a first conductive portion; for at least one signal line, the display substrate includes a multi-layer insulating pattern on a side of the first conductive portion of each signal line away from the base substrate, and at least one insulating pattern covers a surface of a side of the first conductive portion away from the base substrate; a first insulating pattern in the multi-layer insulating pattern includes a hollow, and an orthographic projection of the hollow on the base substrate is at least partially in a region surrounded by an orthographic projection of the first conductive portion on the base substrate; and a material of the first insulating pattern includes an organic insulating material.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: April 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cong Liu, Binyan Wang, Tianyi Cheng, Feng Wei, Meng Li, Shiqian Dai, Kaipeng Sun
  • Patent number: 11947762
    Abstract: A touch panel includes a base substrate and a touch function layer disposed on the base substrate. The touch function layer includes first and second touch units. Each first touch unit includes first touch electrodes, and each second touch unit includes second touch electrodes. The first touch electrodes and the second touch electrodes are insulated from each other. The base substrate has at least two mounting holes and has a gap region at a position corresponding to a region between two adjacent mounting holes. In a first touch unit passing through the gap region, first touch electrodes located in the gap region serve as a first gap electrode and a second gap electrode. In a second touch unit passing through the gap region, second touch electrodes located in the gap region serve as a third gap electrode located between the first and second gap electrodes and a fourth gap electrode.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: April 2, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lingran Wang, Jun Yan, Wenhui Gao, Gukhwan Song