Patents by Inventor Xueguang Hao

Xueguang Hao 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: 20250234752
    Abstract: A display module includes a display panel, a back film, and a first protective layer. The display panel includes a main body, a bonding portion, and a bendable portion. The bendable portion includes a first transition region, a second transition region, and a bendable region. The display panel further includes a first structure and a second structure located in the first transition region. The back film includes a first back sub-film and a second back sub-film. The first back sub-film covers the main body. The second back sub-film covers the bonding portion. The first back sub-film and the second back sub-film are disconnected at the bendable portion. The first protective layer covers the bendable portion and at least a part of the second structure. An orthographic projection of the first back sub-film on the substrate partially overlaps with an orthographic projection of the first protective layer on the substrate.
    Type: Application
    Filed: February 23, 2024
    Publication date: July 17, 2025
    Inventors: Dianjie Hou, Yanli Wang, Xueguang Hao, Yong Qiao, Xinyin Wu
  • Publication number: 20250234762
    Abstract: A display panel, a manufacture method thereof, and a display device are provided, the display panel includes a base substrate, a driving circuit layer, a light-emitting device layer, an encapsulation layer, and a gray planarization layer; the display panel is provided with a main display region (AA), a sensor region (SS) and a light-transmitting display region (FDC), the main display region (AA) at least partially surrounds the sensor region (SS) and the light-transmitting display region (FDC), and the gray planarization layer (GO) is in the main display region (AA), the sensor region (SS) and the light-transmitting display region (FDC).
    Type: Application
    Filed: July 25, 2023
    Publication date: July 17, 2025
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Cheng LIU, Jiandong BAO, Puyu QI, Xueguang HAO, Jianbo XIAN
  • Publication number: 20250228087
    Abstract: The display substrate includes: sub-pixels including a pixel driving circuit and signal lines on a base substrate. The signal lines include a first power signal line including a first sub power signal line. The display substrate further includes: a light shielding layer, a first semiconductor layer and a first conductive layer sequentially arranged. The pixel driving circuit includes a third transistor including a third active layer in the first semiconductor layer and a third gate electrode in the first conductive layer. The third active layer includes a third channel region. Orthographic projections of the third gate electrode and the third channel region on the base substrate overlap. The first sub power signal line is in the light shielding layer, and an orthographic projection of the first sub power signal line on the base substrate covers the orthographic projection of the third channel region on the base substrate.
    Type: Application
    Filed: October 31, 2023
    Publication date: July 10, 2025
    Inventors: Rui Wang, Zhi Huang, Ming Hu, Haijun Qiu, Shouqiang Zhang, Xueguang Hao, Lang Liu
  • Patent number: 12334013
    Abstract: The present disclosure provides a display panel and a display apparatus, and belongs to the field of display technology, and can solve the problem of the color shift easily occurring in the high-temperature reliability test in the related display panel. The display panel of the present disclosure includes: a plurality of sub-pixel units and a voltage control module; each sub-pixel unit includes: a light emitting device; and the voltage control module is connected to an anode of the corresponding light emitting device, and is configured to control an anode voltage of the corresponding light emitting device, so that a ratio of the number of electrons to the number of holes of the light emitting device is unchanged at different gray scales.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: June 17, 2025
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Kening Zheng, Xueguang Hao, Xing Yao
  • Patent number: 12324340
    Abstract: There is provided a display substrate and a display device. The display substrate includes a first metal layer, a first insulating layer, a metal oxide layer, a second insulating layer and a second metal layer which are stacked; wherein the metal oxide layer comprises a first pattern, a second pattern and a capacitance pattern, the first metal layer comprises a first electrode plate, there is at least a first overlapping region between the first electrode plate and the capacitance pattern to form a first storage capacitor, the second metal layer comprises a second electrode plate, there is at least a second overlapping region between the second electrode plate on the base substrate and the capacitance pattern to form a second storage capacitor, and the first electrode plate and the second electrode plate have same potential.
    Type: Grant
    Filed: March 6, 2024
    Date of Patent: June 3, 2025
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chen Xu, Xueguang Hao, Yong Qiao, Xinyin Wu
  • Patent number: 12300172
    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: Grant
    Filed: July 5, 2022
    Date of Patent: May 13, 2025
    Assignees: 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: 20250140157
    Abstract: A display panel, a driving method thereof, and a display apparatus are provided. The driving method includes: acquiring initial image data; and initiating a uniformity adjustment manner, wherein the uniformity adjustment manner comprises: turning off at least a portion of non-zero grayscale sub-pixel units in the display panel based on the initial image data.
    Type: Application
    Filed: December 20, 2022
    Publication date: May 1, 2025
    Inventors: Kening ZHENG, Xueguang HAO, 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
  • Publication number: 20250087149
    Abstract: The present disclosure provides a display panel and a display apparatus, and belongs to the field of display technology, and can solve the problem of the color shift easily occurring in the high-temperature reliability test in the related display panel. The display panel of the present disclosure includes: a plurality of sub-pixel units and a voltage control module; each sub-pixel unit includes: a light emitting device; and the voltage control module is connected to an anode of the corresponding light emitting device, and is configured to control an anode voltage of the corresponding light emitting device, so that a ratio of the number of electrons to the number of holes of the light emitting device is unchanged at different gray scales.
    Type: Application
    Filed: December 15, 2022
    Publication date: March 13, 2025
    Inventors: Kening ZHENG, Xueguang HAO, Xing YAO
  • 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: 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
  • Publication number: 20240371316
    Abstract: A display substrate, including a scan drive control circuit including an input circuit, an output control circuit, and an output circuit; the input circuit is configured to transmit a signal of the signal input terminal to the output control circuit and a signal of the first clock signal terminal or the first voltage terminal to the output control circuit; the output control circuit is configured to store a signal of the first signal terminal, and transmit a signal of the second signal terminal to the first node; or, the output control circuit is configured to store a signal of the second clock signal terminal, and transmit a signal of the second voltage terminal to the first node; the output circuit is configured to output a signal of the first voltage terminal to the signal output terminal, or output the signal of the second voltage terminal to the signal output terminal.
    Type: Application
    Filed: July 19, 2024
    Publication date: November 7, 2024
    Inventors: Miao LIU, Xueguang HAO, Jingbo XU, Xing YAO, Jingquan WANG, Xinyin WU, Xinguo LI, Zhichong WANG
  • Publication number: 20240373701
    Abstract: A display substrate includes a base substrate including a display area and a peripheral area on at least one side of the display area; a pixel array, located in the display area and including multiple pixel units; and, a scan driving module, located in a driving circuit area of the peripheral area, and including multiple shift register units, multiple signal lines being arranged in one shift register units, and extending along a first direction; wherein a ratio of a sum W1 of widths of the multiple signal lines in a second direction to a width W2 of the shift register unit in the second direction is W1/W2, and a length of at least one pixel unit along the first direction is a pixel pitch value; the first direction intersects the second direction; a product of W1/W2 and the pixel pitch value is greater than 18 um and less than 40 um.
    Type: Application
    Filed: January 31, 2023
    Publication date: November 7, 2024
    Inventors: Xing YAO, Xueguang HAO, Yong QIAO, Jingquan WANG, Xinyin WU
  • Publication number: 20240371329
    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: Application
    Filed: May 31, 2023
    Publication date: November 7, 2024
    Inventors: Miao LIU, Xueguang HAO, Libin LIU, Teng CHEN, Xinyin WU, Yong QIAO, Xing YAO, Jingquan WANG
  • Patent number: 12114525
    Abstract: Disclosed are an OLED display panel and a display device. The OLED display panel includes a substrate, a plurality of light emitting components arranged in an array, and a light resistance structure between the light emitting components. The light resistance structure prevents the reflected light of the emergent light from the light emitting components, from emitting out from one side of the substrate between the light emitting components.
    Type: Grant
    Filed: April 11, 2020
    Date of Patent: October 8, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xueguang Hao, Yong Qiao, Xinyin Wu, Hongfei Cheng
  • Patent number: 12108640
    Abstract: Provided is an array substrate, including: a first conductive wire, a second conductive wire and a first electrostatic protection unit, wherein the first electrostatic protection unit comprises a first thin-film transistor and a first capacitor; wherein a gate of the first thin-film transistor is suspended and is connected to a first electrode of the first thin-film transistor via the first capacitor, the first electrode of the thin-film transistor is connected to the first conductive wire, and a second electrode of the first thin-film transistor is connected to the second conductive wire.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: October 1, 2024
    Assignees: Beijing BOE Technology Development Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hongfei Cheng, Xueguang Hao
  • Publication number: 20240324372
    Abstract: A display substrate includes a base substrate (100), multiple first pixel circuits (11), multiple second active pixel circuits (12), multiple first light-emitting elements (13), multiple second light-emitting elements (14) and at least one first data line (21). The first data line (21) includes a first sub-data line (211) and a second sub-data line (212). The first sub-data line (211) is electrically connected with the multiple first pixel circuits (11) arranged along a first direction (D1), and the second sub-data line (212) is electrically connected with the multiple second active pixel circuits (12) arranged along the first direction (D1). The first sub-data line (211) and the second sub-data line (212) are electrically connected through a first transfer line (214), and the first transfer line (214) is located in a peripheral region (BB) and between a signal access region (B14) and a display region (AA).
    Type: Application
    Filed: April 19, 2022
    Publication date: September 26, 2024
    Inventors: Yuxin ZHANG, Lili DU, Jingquan WANG, Xueguang HAO, Xinguo LI