Patents Assigned to CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
  • Publication number: 20240147792
    Abstract: An array substrate is provided. The array substrate includes a node connecting line in a same layer as a respective one of the plurality of voltage supply lines, connected to a first capacitor electrode through a first via, and connected to a semiconductor material layer through a second via; and an interference preventing block in a same layer as the second capacitor electrode. Along the first direction, a portion of the node connecting line at a position connecting to the semiconductor material layer through the second via is spaced apart from a first adjacent data line by a first arm, and is spaced apart from a second adjacent data line by a second arm. An orthographic projection of a respective one of the plurality of voltage supply lines on the base substrate substantially covers at least 30% of an orthographic projection of the second arm on the base substrate.
    Type: Application
    Filed: January 9, 2024
    Publication date: May 2, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Maoying Liao, Yang Zhou, Xin Zhang, Huijuan Yang
  • Publication number: 20240143105
    Abstract: A touch sensor and a display apparatus are disclosed. The touch sensor includes a first opening region, first touch electrodes and second touch electrodes. The first touch electrodes respectively extend along a first direction, and at least one of the first touch electrodes includes first touch sub-electrodes arranged side by side in the first direction and electrically connected with each other; the second touch electrodes respectively extend along a second direction, and at least one of the second touch electrodes includes second touch sub-electrodes arranged side by side in the second direction and electrically connected with each other; an area of a first touch sub-electrode in the first region is less than that of a first touch sub-electrode in the third region, or an area of a second touch sub-electrode in the first region is less than that of a second touch sub-electrode in the third region.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenxiao NIU, Hengzhen LIANG, Qing GONG, Shiheng MU
  • Publication number: 20240144873
    Abstract: A pixel circuit and a driving method thereof, a display substrate and a display device are provided. The pixel circuit includes a driving sub-circuit, a first switch sub-circuit and a first light-emitting control sub-circuit. The driving sub-circuit includes a control terminal connected with a first node, a first terminal connected with a second node and a second terminal connected with a third node, and is configured to control a driving signal from the first node to the third node for driving a light-emitting element; the first switch sub-circuit is configured to control conduction of the driving signal between the third node and a fourth node; the first light-emitting control sub-circuit is connected with a first electrode of the light-emitting element through a fifth node, and is configured to control conduction of the driving signal between the fourth node and the fifth node.
    Type: Application
    Filed: May 20, 2021
    Publication date: May 2, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yao HUANG, Binyan WANG, Meng LI
  • Patent number: 11974482
    Abstract: A display substrate and related devices are provided. The display substrate includes a plurality of first sub-pixels, second sub-pixels and third sub-pixels. In a first direction, the first sub-pixels and the third sub-pixels are arranged alternately to form a plurality of first sub-pixel rows, the second sub-pixels form a plurality of second sub-pixel rows, the first sub-pixel rows and the second sub-pixel rows are arranged alternately in a second direction, connection lines of center points of two first sub-pixels and two third sub-pixels form a first virtual quadrilateral, the two first sub-pixels are located at two vertex angles of the first virtual quadrilateral which are opposite to each other, one second sub-pixel is located within the first virtual quadrilateral, and the first virtual quadrilateral includes two interior angles each being equal to 90° and two interior angles each being not equal to 90°.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qian Xu, Tong Niu, Yan Huang, Guomeng Zhang, Chang Luo, Jianpeng Wu, Peng Xu, Fengli Ji, Yi Zhang, Benlian Wang, Ming Hu
  • Patent number: 11974484
    Abstract: A pixel arrangement structure includes: first sub-pixels, second sub-pixels and third sub-pixels, being not overlapped but being spaced apart. The third sub-pixel includes a first edge facing the first sub-pixel, the first sub-pixel includes a second edge facing the third sub-pixel, the third sub-pixel includes a third edge facing the second sub-pixel, and the second sub-pixel includes a fourth edge facing the third sub-pixel, and shapes of the first sub-pixel and the second sub-pixel are circles, the first edge and the second edge are curved edges with a same curvature, the third edge and the fourth edge are curved edges with a same curvature; or shapes of the first sub-pixel and the second sub-pixel are octagons, at least part of the first edge is parallel to at least part of the second edge, at least part of the third edge is parallel to at least part of the fourth edge.
    Type: Grant
    Filed: May 31, 2023
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haijun Qiu, Yangpeng Wang, Benlian Wang, Haijun Yin, Yang Wang, Yao Hu, Weinan Dai
  • Patent number: 11974466
    Abstract: A first planarization layer, an anode lap joint later, a pixel defining layer are between the first dam and the display area; the anode lap joint layer includes a main body portion and sharp angle portions; the sharp angle portion at least includes a first side edge close to the display area; the pixel defining layer wraps a border of the anode lap joint layer and has a first groove extending from one to the other sharp angle portion. An edge of the first groove adjacent to the first side edge of the sharp angle portion is a second side edge; and an orthographic projection of the second side edge on a base substrate is in an orthographic projection of the third groove on the base substrate.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Lu Bai, Li Song, Chang Luo, Sen Du, Pengfei Yu, Jie Dai, Yang Zhou
  • Patent number: 11972725
    Abstract: A method for image display in a display apparatus is provided. The method includes displaying an image in a respective subpixel in an image display phase. In a sensing phase subsequent to the image display phase, the method further includes providing an initial voltage signal to an anode of a respective light emitting element in the respective subpixel for a first period of time; allowing the anode of a respective light emitting element to discharge for a second period of time, upon discontinuation of the initial voltage signal; obtaining a residual voltage signal at the anode of the respective light emitting element at an end of the second period of time by a sensing sub-circuit of a respective pixel driving circuit; and transmitting the residual voltage signal to an integrated circuit.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hongjun Zhou, Feng Wei, Cong Liu
  • Patent number: 11974451
    Abstract: A display substrate, a method for manufacturing the same and a display device. In the display substrate, a sealant region includes: a corner sealant region, a lead-in sealant region, and a first sealant region on a first side of a display area. The corner sealant region is provided with an encapsulation base layer. A non-display area is provided with a second power line, a gate drive circuit and multiple first signal lines configured to provide signals to the gate drive circuit. The second power line includes a power line corner portion and a first power line portion, the first power line portion overlaps the first sealant region, and the first power line portion extends in a first direction. A target portion of each first signal line is at least located in the corner sealant region.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lili Du, Hongjun Zhou
  • Patent number: 11974478
    Abstract: An array substrate includes a first pixel driving circuit, a second pixel driving circuit, and a third pixel driving circuit; and a first voltage supply line, a second voltage supply line, and a third voltage supply line configured to provide a constant voltage signal respectively to the first pixel driving circuit, the second pixel driving circuit, and the third pixel driving circuit. The first voltage signal line crosses over a second capacitor electrode in the first pixel driving circuit by a first overlapping area. The second voltage supply line crosses over a second capacitor electrode in the second pixel driving circuit by a second overlapping area. The third voltage supply line crosses over a second capacitor electrode in the third pixel driving circuit by a third overlapping area. The third overlapping area is greater than the first overlapping area, and is greater than the second overlapping area.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tinghua Shang, Huijuan Yang, Tingliang Liu, Yi Zhang, Hao Zhang, Lulu Yang, Yang Zhou, Xiaofeng Jiang
  • Patent number: 11974465
    Abstract: A display substrate and a display device are provided. The display substrate includes sub-pixels and a light emitting control signal line. The sub-pixel includes an organic light emitting element and a pixel circuit, the organic light emitting element includes a second electrode, the pixel circuit includes a driving transistor and a first light emitting control transistor, and the pixel circuit further includes a connection structure. In the second color sub-pixel, a first electrode of the first light emitting control transistor is electrically connected with the connection structure through a first connection hole, and the connection structure is electrically connected with the second electrode through a second connection hole, the first connection hole and the second connection hole are located on both sides of the light emitting control signal line. In the third color sub-pixel, the second electrode does not overlap with a channel of the driving transistor.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY. GROUP CO., LTD.
    Inventors: Xin Mou, Yongfu Diao
  • Patent number: 11974463
    Abstract: An array substrate is provided. The array substrate includes a node connecting line in a same layer as a respective voltage supply line, connected to a first capacitor electrode and a semiconductor material layer. An orthographic projection of a first anode on a base substrate at least partially overlaps with an orthographic projection of a node connecting line in a respective first subpixel. An orthographic projection of a second anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective second subpixel. An orthographic projection of a third anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective third subpixel. An orthographic projection of a fourth anode on the base substrate at least partially overlaps with an orthographic projection of the node connecting line in a respective fourth subpixel.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: April 30, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Siyu Wang, Yi Zhang, Qian Ma, Junxiu Dai
  • Patent number: 11972732
    Abstract: A shift register unit, configured to generate a first gate drive signal and a second gate drive signal, which includes a first control circuit, configured to control a potential of a first node; a second control circuit, configured to control a potential of a second node; a first output circuit, configured to generate the first gate drive signal based on a first voltage signal provided by a first voltage terminal under the control of the potentials of the first and second nodes, and output the first gate drive signal through a first gate drive signal output terminal, wherein the first voltage signal provided by the first voltage terminal is a high level signal; and a second output circuit, configured to generate a second gate drive signal based on a second voltage signal provided by a second voltage terminal under the control of a potential of a control node, and output the second gate drive signal through a second gate drive signal output terminal.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Heecheol Kim, Teng Chen, Shuo Li
  • Patent number: 11974473
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate, a pixel defining layer and at least one photo spacer. The pixel defining layer is disposed on the base substrate and includes a plurality of openings, the at least one photo spacer is disposed on a side of the pixel defining layer away from the base substrate. A distance from any point at a bottom of the at least one photo spacer contacting the pixel defining layer to an upper edge of a side wall of the plurality of openings is greater than or equal to 5 ?m.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengmeng Du, Xiangdan Dong, Qi Liu, Fan He, Bo Zhang
  • Patent number: 11974475
    Abstract: A flexible display panel, a display device and a forming method are provided. The flexible display panel includes a display area and a non-display area, where the non-display area includes a bending sub-area and a binding sub-area, and the bending sub-area is configured to bend the binding sub-area to a side away from the display area, the bending sub-area includes a first organic layer, a second organic layer and a metal wiring layer between the first organic layer and the second organic layer arranged on the substrate, the touch wiring layer is electrically connected to the metal wiring layer; in response to the bending sub-area being in a bending state, a vertical distance from a bending neutral layer of the bending sub-area to the metal wiring layer is smaller than a preset distance.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 30, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yulong Wei, Xiangdan Dong, Jun Yan, Mengmeng Du
  • Publication number: 20240135873
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of reset signal lines. The base substrate includes a display region which includes sub-pixels arranged in array, each sub-pixels includes a pixel driving circuit and a light-emitting element. The plurality of reset signal lines extends in a first direction and include a plurality of first reset signal lines for providing a first reset signal and a plurality of second reset signal lines for providing a second reset signal, and one of the plurality of first reset signal lines and one of the plurality of second reset signal lines are respectively connected to pixel driving circuits of a plurality of sub-pixels located in a same row. A layer where the plurality of first reset signal lines are located is different from layers where the plurality of second reset signal lines are located.
    Type: Application
    Filed: June 9, 2021
    Publication date: April 25, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kaipeng SUN, Binyan WANG, Feng WEI, Meng LI, Tianyi CHENG, Lina WANG, Cong LIU, Shiqian DAI
  • Publication number: 20240135875
    Abstract: A pixel circuit and a driving method therefor, and a display panel. The pixel circuit includes a driving circuit, a data writing circuit, a compensation storage circuit, a first light-emitting control circuit and a second light-emitting control circuit. The driving circuit includes a control end, a first end, and a second end, and is configured to control a driving current which flows through the first end and the second end and which is used for driving a light-emitting element to emit light; the data writing circuit is connected to a first scanning signal line and is configured to, in response to a first scanning signal provided by the first scanning signal line, write a data signal into the first end of the driving circuit; the data writing circuit and the first light-emitting control circuit repel one another in a connected state under the control of the first scanning signal.
    Type: Application
    Filed: July 14, 2022
    Publication date: April 25, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Changlong Yuan, Xilei Cao, Li Zhu, Benlian Wang, Zhenhua Zhang
  • Publication number: 20240135872
    Abstract: In the pixel circuit, the data writing-in circuit is configured to control to connect the data line and the second terminal of the driving circuit under the control of a first scanning signal provided by the first scanning line; the compensation control circuit is configured to control to connect the first terminal of the driving circuit and the connection node under the control of a second scanning signal provided by the second scanning line; the first control circuit is configured to control to connect the control terminal of the driving circuit and the connection node under the control of the first scanning signal.
    Type: Application
    Filed: July 12, 2022
    Publication date: April 25, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gang WANG, Kai ZHANG, Xinyu WEI, Qiang FU, Xingrui CAI
  • Publication number: 20240138214
    Abstract: A display substrate and a display device. The display substrate includes a display region, a first connecting wire and a second connecting wire. The display region includes a first display region and a second display region. The first display region includes a plurality of light emitting devices arranged in an array, and the plurality of light emitting devices includes a first light emitting device and a second light emitting device. The second display region includes a plurality of first pixel circuit units, and the plurality of pixel circuit units includes a first pixel circuit and a second pixel circuit. The first connecting wire is connected to the first pixel circuit and the first light emitting device. The second connecting wire is connected to the second pixel circuit and the second light emitting device. The first direction and the second direction intersect each other.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuanyou QIU, Weiyun HUANG, Yao HUANG, Yue LONG, Tianyi CHENG
  • Patent number: 11967286
    Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, and includes a shift register unit, a first clock signal line, and a second clock signal line in a peripheral region; a first portion and a second portion of a first connection wire of the display substrate are connected to a first gate electrode of a first control transistor of the shift register unit; an orthographic projection of the first portion on the base substrate is on a side of an orthographic projection of an active layer of the first control transistor on the base substrate away from a display region; and an orthographic projection of the second portion on the base substrate is on a side of the orthographic projection of the active layer of the first control transistor on the base substrate close to the display region.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengfei Yu, Qiang Zhang, Tinghua Shang, Lu Bai, Jie Dai, Chenxing Wan, Haigang Qing
  • Patent number: 11968865
    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: Grant
    Filed: March 19, 2020
    Date of Patent: April 23, 2024
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weiyun Huang, Yao Huang, Chi Yu, Xingliang Xiao, Bo Shi, Benlian Wang