Patents by Inventor Haigang QING

Haigang QING 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).

  • Patent number: 11699396
    Abstract: A display substrate and a display device are provided. A sub-pixel in the display substrate includes a light emitting element and a pixel circuit; the light emitting element includes a first electrode, a light emitting layer and a second electrode; the pixel circuit includes a driving transistor and a storage capacitor. The sub-pixel includes a first color sub-pixel pair which includes a first pixel block and a second pixel block. In a same first color sub-pixel pair, an overlapping situation, of orthographic projections of the second electrode of one first pixel block and a gate electrode of the driving transistor of the one first pixel block on the base substrate, is the same as an overlapping situation, of orthographic projections of the second electrode of one second pixel block and a gate electrode of the driving transistor of the one second pixel block on the base substrate.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: July 11, 2023
    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
  • Publication number: 20230200155
    Abstract: Embodiments of this disclosure provide a display substrate and a display device. The display substrate includes: sub-pixels located on a base substrate; a first conductive layer located on one side of the base substrate, and including signal lines sequentially disposed in a first direction and extending towards a second direction, and signal line bulges and anode adaptor parts located on the same side of the signal line and disposed alternately; and anodes located between the first conductive layer and a pixel defining layer. Each anode includes an effective part exposed by a corresponding sub-pixel opening, the effective parts of at least part of the sub-pixels have overlapping regions with the signal line bulges and the anode adaptor parts in the second direction, and the second direction is perpendicular to the first direction.
    Type: Application
    Filed: August 31, 2020
    Publication date: June 22, 2023
    Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Pengfei YU, Yang ZHOU
  • Patent number: 11676532
    Abstract: A display substrate, a display panel, and a display device are provided. The display substrate includes: a base substrate; a plurality of sub-pixels in the display pixel region, wherein each sub-pixel includes a pixel driving circuit; a plurality of first dummy sub-pixel structures on the base substrate and in the first dummy pixel region, wherein at least one first dummy sub-pixel structure includes a compensation capacitor; and a plurality of scan signal lines arranged on the base substrate and configured to transmit a scan signal to the pixel driving circuit. At least one scan signal line extends through the display pixel region and the first dummy pixel region, and the at least one scan signal line is electrically connected to the pixel driving circuit of each sub-pixel in a row of sub-pixels and is further electrically connected to the compensation capacitor of the at least one first dummy sub-pixel structure.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: June 13, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengqi Wang, Haigang Qing, Zhengkun Li, De Li, Hong Yi, Shilong Wang
  • Publication number: 20230169917
    Abstract: The present disclosure provides a shift register including a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a first capacitor and an impedance transistor; the second transistor has a first electrode coupled to a second node; the third transistor has a first electrode coupled to a first power terminal and a second electrode coupled to the second node; the fifth transistor has a control electrode coupled to a third node; the impedance transistor has a control electrode coupled to the first power terminal, a first electrode coupled to the second node, and a second electrode coupled to the third node.
    Type: Application
    Filed: March 9, 2021
    Publication date: June 1, 2023
    Inventors: Yunsheng XIAO, Haigang QING
  • Patent number: 11665944
    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a substrate; a first electrode; a second electrode; an organic light-emitting functional layer; a line scanning drive circuit located in a surrounding area; a first flat layer; a fixed potential signal line located in the surrounding area, wherein the fixed potential signal line includes a first and a second conductive parts; an overlapping area is formed between an orthographic projection of the second conductive part on the substrate and an orthographic projection of the line scanning drive circuit on the substrate; the second conductive part includes a plurality of first through holes; and a conductive connection layer; and the conductive connection layer and the second conductive part at least are in direct contact in the overlapping area between the second conductive part and the line scanning drive circuit.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: May 30, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Pengfei Yu, Haigang Qing, Tinghua Shang, Jie Dai, Lu Bai, Chenxing Wan, Qiang Zhang
  • Publication number: 20230144601
    Abstract: According to a pixel circuit and a driving method therefor, and a display apparatus provided by the embodiments of the present disclosure, a signal of a data signal end may be provided to a first end of a driving transistor through a data writing circuit under the control of a signal of a scanning signal end. A control end of the driving transistor is initialized through a second reset circuit according to a signal of an initializing signal end; and under the control of a signal of a light emitting control signal end, a first power end and the first end of the driving transistor are turned on through a light emitting control circuit, and a second end of the driving transistor and a light emitting device are turned on.
    Type: Application
    Filed: September 29, 2020
    Publication date: May 11, 2023
    Inventor: Haigang QING
  • Patent number: 11638385
    Abstract: The present disclosure provides a display substrate, a method for driving the same, and a display device. The display substrate includes: a plurality of sub-pixels, a plurality of reset signal lines, a plurality of gate lines, a plurality of light emitting control signal lines, a plurality of data lines, a power signal line structure, an initialization signal line structure, and at least part of the reset signal lines extend along the first direction; the plurality of reset signal lines include a sub-reset signal line corresponding to each sub-pixel, and the sub-reset signal line includes a first reset pattern and a second reset pattern that are coupled to each other, the first reset pattern is located between the substrate of the display substrate and the second reset pattern.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: April 25, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hong Yi, Haigang Qing, Tiaomei Zhang
  • Publication number: 20230112912
    Abstract: A display panel is provided. The display panel includes a display part; and a fanout part. The display part includes a plurality of pixel driving circuits. The fanout part includes a bendable portion and a multiplexer. The display panel includes a plurality of first signal lines extending through the bendable portion, and connecting the plurality of pixel driving circuits to the multiplexer. A direct current supply line extending through the bendable portion and electrically connected to the plurality of pixel driving circuits. A portion of the direct current supply line is between the multiplexer and the bendable portion and crosses over the plurality of first signal lines.
    Type: Application
    Filed: December 17, 2019
    Publication date: April 13, 2023
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Haigang Qing, Tinghua Shang, Pengfei Yu
  • Publication number: 20230071031
    Abstract: A shift register includes: an input circuit configured to transmit an input signal received at an input signal terminal to a first node under control of a first clock signal transmitted by a first clock signal terminal; an output circuit configured to transmit a second clock signal received at a second clock signal terminal to an output signal terminal under control of a voltage of the first node; a first control circuit configured to, according to one of the second clock signal and a first voltage signal transmitted by a first voltage signal terminal, control a voltage of a second node under control of the voltage of the first node and the second clock signal; and a holding circuit configured to transmit the first voltage signal to the output signal terminal under control of the voltage of the second node.
    Type: Application
    Filed: May 24, 2021
    Publication date: March 9, 2023
    Inventors: Haigang QING, Yunsheng XIAO, Quanyong GU
  • Patent number: 11594184
    Abstract: A display substrate and a manufacturing method, and a display device are provided. The display substrate includes a base substrate including a display region and a periphery region; and a shift register unit, a first power line and a second power line; an orthographic projection of the first power line on the base substrate is on a side of an orthographic projection of the shift register unit on the base substrate closer to the display region, an orthographic projection of the second power line on the base substrate is on a side of the orthographic projection of the shift register unit on the base substrate away from the display region, and the orthographic projection of the shift register unit on the base substrate is between the orthographic projection of the first power line on the base substrate and the orthographic projection of the second power line on the base substrate.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: February 28, 2023
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunsheng Xiao, Haigang Qing, Xiangdan Dong
  • Publication number: 20230026444
    Abstract: A display device includes light emitting elements arranged in a matrix and pixel circuits arranged in a matrix. A pixel circuit includes a first reset sub-circuit, a node control sub-circuit, a light emitting control sub-circuit and a second reset sub-circuit. The first reset sub-circuit is configured to provide a signal of an initial signal line to a first node. The node control sub-circuit is configured to provide a signal of a data signal line to a second node, and compensate the first node until a voltage of the first node meets a threshold condition. The light emitting control sub-circuit is configured to provide a signal of a first power supply line to the second node and provide a signal of a third node to a light emitting element. The second reset sub-circuit is configured to provide a signal of the initial signal line to the light emitting element.
    Type: Application
    Filed: June 9, 2021
    Publication date: January 26, 2023
    Inventor: Haigang QING
  • Publication number: 20220415259
    Abstract: A display apparatus and driving method therefor. The apparatus comprises light emitting element, pixel circuit, scan signal line, data signal line, initial signal line, light emission control line, first power source line, and first reset line to third reset line. The pixel circuit comprises: first reset sub-circuit configured to provide a signal of the initial signal line to a first node; node control sub-circuit configured to provide a signal of the data signal line to a second node, compensate for the first node until a voltage thereof satisfies a threshold condition, provide a signal of the second node to the third node; light emission control sub-circuit configured to provide a signal of the first power source line to the second node and a signal of the third node to light emitting element; second reset sub-circuit configured to provide a signal of the initial signal line to light emitting element.
    Type: Application
    Filed: June 9, 2021
    Publication date: December 29, 2022
    Inventor: Haigang QING
  • Publication number: 20220406868
    Abstract: The embodiments of the present disclosure disclose a display substrate, a fabrication method thereof and a display apparatus. The display substrate includes: a base substrate, including a display region and a bonding region located on at least one side of the display region; a conductive layer, located on the base substrate and in the bonding region and including a plurality of first conducive terminals; and an insulation protection layer, located on one side, facing away from the base substrate, of the conductive layer, and having hollow regions and pattern regions, where the hollow regions cover the first conductive terminals, and the pattern regions cover gaps among the plurality of first conductive terminals.
    Type: Application
    Filed: December 28, 2020
    Publication date: December 22, 2022
    Inventors: Linhong HAN, Xiaofeng JIANG, Youngyik KO, Yi ZHANG, Yang ZHOU, Yu WANG, Shikai QIN, Tingliang LIU, Haigang QING, Shun ZHANG
  • Publication number: 20220406260
    Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.
    Type: Application
    Filed: April 28, 2020
    Publication date: December 22, 2022
    Inventors: Yuqian PANG, Yunsheng XIAO, Haigang QING, Miao WANG, Tiaomei ZHANG, Mengqi WANG
  • Publication number: 20220406871
    Abstract: A display panel and a display device are provided. The display panel includes: a display region; a peripheral region surrounding the display region; a plurality of pixel units, located in the display region and configured to display an image; a plurality of data lines, electrically connected with the plurality of pixel units and configured to input data signals to the plurality of pixel units; a plurality of data transmission lines, located in the peripheral region and connected with the plurality of data lines; and at least two repair structures, wherein each of the at least two repair structures includes a first repair line and a second repair line, the first repair line is overlapped with the plurality of data transmission lines, and the second repair line is overlapped with the plurality of data lines.
    Type: Application
    Filed: December 23, 2020
    Publication date: December 22, 2022
    Inventors: Hong YI, HAIGANG QING, Tiaomei ZHANG
  • Publication number: 20220399410
    Abstract: The present disclosure provides a display device and a manufacturing method thereof. The display device includes an imaging area and a display area on at least one side of the imaging area. The imaging area includes: a substrate; an image collection device on a side of the substrate, the image collection device including a photosensitive element and an optical element; a light blocking layer on a side of the substrate away from the image collection device, wherein the light blocking layer includes at least one of a light absorbing layer or a diffuse reflection layer, and the light blocking layer is provided with a first gap; and a plurality of first electrodes on a side of the light blocking layer away from the substrate, wherein a second gap is provided between two adjacent first electrodes of the plurality of first electrodes.
    Type: Application
    Filed: February 25, 2021
    Publication date: December 15, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo SHI, Weiyun HUANG, Benlian WANG, Haigang QING
  • Publication number: 20220352296
    Abstract: The present disclosure provides a display substrate, a method for driving the same, and a display device. The display substrate includes: a plurality of sub-pixels, a plurality of reset signal lines, a plurality of gate lines, a plurality of light emitting control signal lines, a plurality of data lines, a power signal line structure, an initialization signal line structure, and at least part of the reset signal lines extend along the first direction; the plurality of reset signal lines include a sub-reset signal line corresponding to each sub-pixel, and the sub-reset signal line includes a first reset pattern and a second reset pattern that are coupled to each other, the first reset pattern is located between the substrate of the display substrate and the second reset pattern.
    Type: Application
    Filed: November 12, 2020
    Publication date: November 3, 2022
    Inventors: Hong YI, Haigang QING, Tiaomei ZHANG
  • Publication number: 20220344442
    Abstract: A display substrate and a display panel, the display substrate includes a base substrate and a plurality of sub-pixels, a plurality of data lines and a plurality of data wirings located on the base substrate. The plurality of data wirings includes a first data wiring, a second data wiring and a third data wiring that are periodically arranged. The first data wiring is located in a first conductor layer. The second data wiring is located in a second conductor layer. The third data wiring is located in a third conductor layer. An orthographic projection of a part of at least one first data wiring on the base substrate overlaps with an orthographic projection of a part of at least one third data wiring on the base substrate.
    Type: Application
    Filed: February 24, 2021
    Publication date: October 27, 2022
    Inventors: Hong Yi, Zhengkun Li, Jun Yan, Mengqi Wang, De Li, Haigang Qing
  • Publication number: 20220336540
    Abstract: A display substrate, a method for manufacturing the display substrate, and a display device. The display substrate includes a first sub-pixel and a second sub-pixel, the first sub-pixel includes a first data line pattern, and the second sub-pixel includes a second data line pattern, a second electrode of the sixth transistor in the first sub-pixel is electrically connected to the anode pattern through the third conductive connection portion and the fourth conductive connection portion; in the first sub-pixel, an orthographic projection of the anode pattern on the substrate at least partially overlaps an orthographic projection of the second data line pattern on the substrate, and the orthographic projection of the anode pattern on the substrate at least partially overlaps an orthographic projection of a data line pattern adjacent to the second data line pattern along the first direction on the substrate.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 20, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tinghua SHANG, Yi ZHANG, Haigang QING, Zhengwei LUO, Yang ZHOU
  • Publication number: 20220328789
    Abstract: Provided is a display substrate having a polygonal encapsulation region with a plurality of edges and a periphery region surrounding the encapsulation region. The display substrate includes a base substrate, and a partition structure within the periphery region on a side of the base substrate. The partition structure includes a plurality of isolation dams, arranged at intervals along a direction away from the encapsulation region, outside each edge of the encapsulation region. The plurality of edges include a first edge and a second edge, and a plurality of first isolation dams outside the first edge are not in connection with, and have more dams than, a plurality of second isolation dams outside the second edge.
    Type: Application
    Filed: June 21, 2022
    Publication date: October 13, 2022
    Inventors: Yunsheng Xiao, Haigang Qing, Xiangdan Dong, Tingliang Liu