Patents by Inventor Jingquan WANG

Jingquan WANG 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).

  • Publication number: 20250248243
    Abstract: A display substrate and a display device are provided. The display substrate includes a drive structure layer (131) and a light emitting structure layer that are stacked sequentially on a base substrate (121); the light emitting structure layer includes an anode layer, a pixel definition layer (171), a light emitting functional layer (181) and a cathode layer (191) that are disposed sequentially in a direction away from the base substrate (121); the anode layer includes multiple anodes (24), the pixel definition layer (171) is disposed on a side of the multiple anodes (24) facing away from the base substrate (121) and is provided with multiple pixel openings (172), the pixel openings (172) expose the anodes (24), the light emitting functional layer (181) and the cathode layer (191) are stacked sequentially on a side of the anodes (24) facing away from the base substrate (121).
    Type: Application
    Filed: July 19, 2023
    Publication date: July 31, 2025
    Inventors: Jingjing XU, Dacheng ZHANG, Pan LI, Chen XU, Yong QIAO, Jingquan WANG, Xinyin WU
  • Patent number: 12369472
    Abstract: Provided are a display panel and a manufacturing method thereof, and a display device. The display panel includes: a base substrate including a display area and a peripheral area; a plurality of sub-pixels, each sub-pixel including a light-emitting element and a pixel driving circuit; a plurality of gate lines and light-emitting control lines; a gate driving circuit located at the display area and including cascaded multistage gate driving units, one or more stages include gate driving sub-circuits including a first and a second gate driving sub-circuit spaced apart by pixel driving circuits of a first group of sub-pixels; and a light-emitting control driving circuit located at the display area and including cascaded multistage light-emitting control driving units, one or more stages include light-emitting control driving sub-circuits including a first and a second light-emitting control driving sub-circuit spaced apart by pixel driving circuits of a second group of sub-pixels.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: July 22, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Wang, Bo Wang, Jingquan Wang
  • Patent number: 12336404
    Abstract: Disclosed are a display panel and a display device. The display panel includes: a pixel unit, including a pixel circuit and a light-emitting element, the pixel circuit includes a driving transistor and a threshold compensation transistor; a first power line configured to supply a first power supply voltage to the pixel circuit; a blocker, electrically connected with the first power line; and a first conductive structure, connected with the gate electrode of the driving transistor, the first channel and the second channel of the threshold compensation transistor are connected by a conductive connection portion; an area of an orthographic projection of a portion of the blocker overlapping with the first conductive structure on the base substrate is larger than an area of an orthographic projection of a portion of the blocker overlapping with the conductive connection portion on the base substrate.
    Type: Grant
    Filed: April 25, 2024
    Date of Patent: June 17, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Wang, Long Han, Jie Zhang, Tian Dong, Bo Wang, Jingquan Wang
  • Publication number: 20250194359
    Abstract: A display substrate and a manufacture method thereof, and a display device are provided, the display substrate includes: a plurality of sub-pixels, a first light-shielding layer is between the first pixel circuit and the first base substrate, an orthographic projection of the first light-shielding layer at least partially overlaps with an orthographic projection of the first pixel circuit on the first base substrate; a second light-shielding layer is between the second pixel circuit and the first base substrate, an orthographic projection of the second light-shielding layer at least partially overlaps with an orthographic projection of the second pixel circuit on the first base substrate; a wavelength of light emitted from the first effective light-emitting region is greater than that from the second effective light-emitting region.
    Type: Application
    Filed: June 16, 2023
    Publication date: June 12, 2025
    Inventors: Jianbo XIAN, Jingbo XU, Jingquan WANG, Yong QIAO, Xinyin WU
  • Publication number: 20250176398
    Abstract: 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: Application
    Filed: January 27, 2025
    Publication date: May 29, 2025
    Inventors: Jingjing XU, Xueguang HAO, Chunyan LI, Lang LIU, Jingquan WANG
  • Publication number: 20250157413
    Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, a gate scan driving circuit, a light-emitting control scan driving circuit, a first power line, a first planarization layer, a second planarization layer and a first shielding layer, a second shielding layer and a plurality of touch traces. The first planarization layer and the second planarization layer further include an open slot. An orthographic projection of at least part of the touch traces on the base substrate falls into the open slot. In an area of the open slot, an orthographic projection of the second shielding layer on the base substrate overlaps with an orthographic projection of a part of the touch traces on the base substrate.
    Type: Application
    Filed: January 16, 2025
    Publication date: May 15, 2025
    Inventors: Xing YAO, Chen XU, Jingquan WANG, Xinyin WU
  • Patent number: 12302709
    Abstract: A display device, a display panel, and a manufacturing method therefor are provided. The display panel includes a flexible substrate, a display layer on one side of the flexible substrate, and an encapsulation layer covering a surface of the display layer away from the flexible substrate. The display layer has a stretching area provided with a plurality of pixel islands spaced apart and a through-hole. A blocking dam is in an area corresponding to the pixel island and surrounds a plurality of light-emitting units. The encapsulation layer includes an organic layer that is in the stretching area and confined within an annular area surrounded by the blocking dam.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 13, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yang Yu, Fangxu Cao, Pinfan Wang, Wenqiang Li, Bo Wang, Jingquan Wang
  • Publication number: 20250140201
    Abstract: A display panel includes pixel circuits, first shift register(s), second shift register(s), third shift register(s), and fourth shift register(s). A pixel circuit includes a driving transistor, a bias sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a leakage prevention sub-circuit, a reset sub-circuit, and a light-emission control sub-circuit. The bias sub-circuit is electrically connected to a first shift register, which transmits a first scanning signal to the bias sub-circuit. The data writing and compensation sub-circuits are electrically connected to a second shift register, which transmits a second scanning signal to the data writing and compensation sub-circuits. The leakage prevention sub-circuit is electrically connected to a third shift register, which transmits a third scanning signal to the leakage prevention sub-circuit.
    Type: Application
    Filed: September 27, 2022
    Publication date: May 1, 2025
    Inventors: Libin Liu, Yu Feng, Shiming Shi, Dawei Wang, Haijun Qiu, Jingquan Wang, Xing Yao
  • Publication number: 20250140208
    Abstract: The display substrate includes a shift register arranged on a base substrate, the shift register includes multiple stages of driving circuits, the driving circuit includes a first/second input circuit, a first/second output circuit and a control circuit; the first output circuit is configured to provide a first scanning driving signal to the first driving signal output terminal under the control of a potential of a first node and a potential of a second node; the first input circuit is configured to input a signal to the third node under the control of the clock signal; the second input circuit is configured to input a signal provided by the power line to the second node under the control of the potential of the third node; the control circuit is configured to control the potential of the third node and the potential of the first node.
    Type: Application
    Filed: January 6, 2025
    Publication date: May 1, 2025
    Inventors: Miao LIU, Xueguang HAO, Libin LIU, Teng CHEN, Xinyin WU, Yong QIAO, Xing YAO, Jingquan WANG
  • Patent number: 12262607
    Abstract: A stretchable display panel has a plurality of island regions and a plurality of bridge regions. The island regions are arranged in an array. Every two adjacent island regions are connected with a bridge region in the bridge regions therebetween. The display panel includes a plurality of sub-pixels and a plurality of signal line groups. At least one sub-pixel is provided in each island region. The signal line groups are located in a same conductive layer. Each signal line group extends along bridge regions to island regions that are connected to the bridge regions. The signal line group includes a plurality of signal lines arranged in parallel and at intervals. Each signal line is electrically connected to sub-pixels in the island regions.
    Type: Grant
    Filed: February 20, 2021
    Date of Patent: March 25, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qian Yang, Jianchao Zhu, Bo Wang, Jingquan Wang
  • Publication number: 20250089489
    Abstract: A display panel and a display device are provided. The display panel includes a base substrate and a pixel driving circuit provided on a side of the base substrate, and the pixel driving circuit includes a driving transistor, ninth transistor, eighth transistor, first transistor and second transistor. A first electrode of the ninth transistor is connected to a third initial signal line and a second electrode of the ninth transistor is connected to a first electrode of the driving transistor. A first electrode of the eighth transistor is connected to a gate electrode of the driving transistor. A first electrode of the first transistor is connected to a first initial signal line and a second electrode of the first transistor is connected to a second electrode of the eighth transistor. A first electrode of the second transistor is connected to the second electrode of the eighth transistor and a second electrode of the second transistor is connected to a second electrode of the driving transistor.
    Type: Application
    Filed: June 29, 2022
    Publication date: March 13, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yu FENG, Libin LIU, Li WANG, Jianchao ZHU, Shiming SHI, Jingquan WANG
  • Publication number: 20250085804
    Abstract: 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: Application
    Filed: November 21, 2024
    Publication date: March 13, 2025
    Inventors: Chunyan LI, Jingquan WANG, Xueguang HAO, Xinyin WU, Xinguo LI
  • Publication number: 20250081787
    Abstract: 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: Application
    Filed: April 29, 2022
    Publication date: March 6, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Dongfang YANG, Kening ZHENG, Dengyu WANG, Yamin YANG, Xueguang HAO, Jingquan WANG
  • Patent number: 12236897
    Abstract: A display substrate is provided. The display substrate includes a base substrate including a display region and a peripheral region, a gate scan driving circuit, a light-emitting control scan driving circuit, a first power line, a first planarization layer, a second planarization layer and a first shielding layer and a second shielding layer. The first planarization layer and the second planarization layer further include an open slot. The second shielding layer extends from a region corresponding to the light-emitting control scan driving circuit to a region corresponding to the gate scan driving circuit and covers the open slot. In an area where the second shielding layer is close to the open slot, an orthographic projection of the second shielding layer covering the open slot on the base substrate at least overlaps with an orthographic projection of the first shielding layer on the base substrate.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: February 25, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing Yao, Chen Xu, Jingquan Wang, Xinyin Wu
  • Patent number: 12239002
    Abstract: 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: Grant
    Filed: July 6, 2022
    Date of Patent: February 25, 2025
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingjing Xu, Xueguang Hao, Chunyan Li, Lang Liu, Jingquan Wang
  • Patent number: 12232385
    Abstract: 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: Grant
    Filed: August 24, 2022
    Date of Patent: February 18, 2025
    Assignees: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingbo Xu, Xueguang Hao, Jingquan Wang, Xinyin Wu, Lu Bai
  • Patent number: 12211452
    Abstract: 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: Grant
    Filed: May 31, 2023
    Date of Patent: January 28, 2025
    Assignees: 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
  • Patent number: 12178099
    Abstract: A display panel and a display device are provided. The display panel includes a base substrate, a plurality of pixel drive circuit units, n first signal lines, a touch layer, and a light emitting element. A distance between first extending portions of two adjacent first signal lines is greater than a distance between first bending portions of the two adjacent first signal lines. An orthogonal projection overlap area between the first connecting portion and first extending portions of the n first signal lines is S1, and an orthogonal projection overlap area between the first connecting portion and first bending portions of the n first signal lines is S2. S1?S2. A length of a first extending portion of at least one first signal line is L1, a distance between the first extending portion of at least one first signal line and the second electrode is H1, and H1?(S1/n)/L1.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: December 24, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lang Liu, Jingquan Wang, Chen Xu
  • Patent number: 12165587
    Abstract: A display panel and a driving method thereof and a display device are provided. The display panel includes a pixel circuit and a light-emitting element, the pixel circuit including a driving transistor, a first reset transistor and a second reset transistor; the first reset transistor configured to reset the gate electrode of the driving transistor, and the second reset transistor configured to reset the first electrode of the light-emitting element; a first initialization signal line connected with the gate electrode of the driving transistor through the first reset transistor; and a first power line. The first reset transistor is a dual-gate transistor and includes a first channel and a second channel which are connected by a first conductive connection portion; an orthographic projection of the first conductive connection portion on the base substrate is completely within an orthographic projection of the first power line on the base substrate.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: December 10, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Wang, Qian Yang, Tian Dong, Renrong Gai, Jingquan Wang, Bo Wang
  • Patent number: 12154494
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, a plurality of pixels, a plurality of gate lines and a plurality of data lines, wherein the base substrate has a plurality of transparent regions and a plurality of display regions; the pixels are on the base substrate and within the display regions; each pixel includes a plurality of sub pixels; the sub pixels of each pixel are divided into two rows of sub pixels; the gate lines and the data lines are on the base substrate; the sub pixels of a first pixel are connected with the same gate line; the gate line connected with the sub pixels of the first pixel is between the two rows of sub pixels of the first pixel; and the first pixel is any one of the plurality of pixels.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: November 26, 2024
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Meng Li, Yongqian Li, Chen Xu, Jingquan Wang, Dacheng Zhang, Yu Wang, Zhidong Yuan, Zhenhua Qiu