Patents by Inventor Haoliang ZHENG

Haoliang ZHENG 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: 12002410
    Abstract: An array substrate, a detection method for the array substrate, and a tiled display panel. In the array substrate, each of pixels (1) comprises sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) comprises at least one inorganic light-emitting diode; a display area (A1) further comprises: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: June 4, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hao Chen, Zhenyu Zhang, Jiao Zhao, Li Xiao, Dongni Liu, Haoliang Zheng, Liang Chen, Minghua Xuan, Ming Yang, Xinhong Lu, Qi Qi
  • Patent number: 11996035
    Abstract: Provided is a pixel circuit. The pixel circuit includes a reset circuit, a data write circuit, a light-emission control circuit, and a drive circuit; wherein the reset circuit is configured to transmit a reset power signal supplied by the reset power terminal to the first node in response to a reset control signal; the data write circuit is configured to transmit a data signal supplied by the data signal terminal to the first node in response to a gate drive signal; the light-emission control circuit is configured to control conduction/non-conduction between the cathode of the light-emitting element and the second node, and control conduction/non-conduction between the third node and the pull-down power terminal, in response to a light-emission control signal; and the drive circuit is configured to control conduction/non-conduction between the second node and the third node in response to a potential of the first node.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: May 28, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Seungwoo Han, Li Xiao, Haoliang Zheng, Dongni Liu, Jiao Zhao, Liang Chen, Hao Chen, Minghua Xuan
  • Patent number: 11994810
    Abstract: An alignment mark includes a first alignment marker located on a first surface of a substrate and a second alignment marker located on a second surface of the substrate. The second alignment marker is arranged to be matched with the first alignment marker, and capable of representing a process variation between the second alignment marker and the first alignment marker.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: May 28, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Xiao, Jiao Zhao, Dongni Liu, Minghua Xuan, Haoliang Zheng, Liang Chen, Hao Chen, Zhenyu Zhang, Jing Liu, Qi Qi
  • Patent number: 11996034
    Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: May 28, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Xiao, Haoliang Zheng, Minghua Xuan, Hao Chen, Dongni Liu, Jiao Zhao, Seungwoo Han, Liang Chen, Qi Qi
  • Patent number: 11990083
    Abstract: Embodiments of the present disclosure provide a pixel drive circuit, a method for driving the pixel drive circuit, and a display device. The pixel drive circuit includes: a drive sub-circuit, a write sub-circuit and a control circuit. The control circuit further is coupled to a light-emitting control signal terminal, a second scanning signal terminal and a second data signal terminal, and is configured to determine a duration of providing a driving signal to a to-be-driven element under control of a light-emitting control signal provided by the light-emitting control signal terminal and a second scanning signal provided by the second scanning signal terminal.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: May 21, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua Xuan, Haoliang Zheng, Seungwoo Han, Qi Qi, Jing Liu
  • Patent number: 11972989
    Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: April 30, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Dongni Liu, Minghua Xuan, Jiao Zhao, Haoliang Zheng, Zhenyu Zhang, Liang Chen, Hao Chen, Jing Liu, Qi Qi
  • Patent number: 11955075
    Abstract: An array substrate has a display area and a non-display area including a first bonding region. The array substrate includes: a plurality of pixel columns disposed in the display area, each of the plurality of pixel columns including a plurality of light-emitting units that are arranged in a second direction, the second direction being perpendicular to a direction in which an edge of the display area proximate to the first bonding region extends; and at least three first power supply input terminals disposed in the first bonding region, each first power supply input terminal being connected to at least one pixel column of the plurality of pixel columns, so as to provide a first power supply signal to the at least one pixel column.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: April 9, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Qi Ql, Feng Qu, Minghua Xuan, Haoliang Zheng, Jiao Zhao
  • Publication number: 20240096288
    Abstract: A display substrate a driving method therefor, and a display apparatus. The display substrate comprises: M rows and N columns of sub-pixels, N data signal lines and a data reset circuit, wherein at least one sub-pixel comprises a pixel circuit; an ith data signal line is connected to pixel circuits in an ith column, where M?1, N?1, and 1?i?N; and the data reset circuit is electrically connected to a data reset control end, a data initial signal end and the N data signal lines, and is configured to provide a signal of the data initial signal end to the N data signal lines under the control of the data reset control end.
    Type: Application
    Filed: December 20, 2021
    Publication date: March 21, 2024
    Inventors: Haoliang ZHENG, Yan QU, Dongni LIU, Li XIAO, Jiao ZHAO, Xiaorong CUI, Seungwoo HAN, Minghua XUAN
  • Patent number: 11875734
    Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: January 16, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Xiao, Haoliang Zheng, Minghua Xuan, Seungwoo Han, Hao Chen, Dongni Liu, Jiao Zhao, Liang Chen, Qi Qi
  • Patent number: 11862098
    Abstract: A shift register, a driving method, a driving control circuit and a display device. The method comprises: at a data refresh stage (T10), applying to an input signal end (IP) an input signal having a pulse level, applying a control clock pulse signal to a control clock signal end, and applying a noise reduction clock pulse signal to a noise reduction clock signal end; at a noise reduction holding phase (T21-1), applying a fixed voltage signal to the input signal end (IP), applying a fixed voltage signal to the control clock signal end, and applying a fixed voltage signal to the noise reduction clock signal end; and at a noise reduction enhancement stage (T22-1), applying a fixed voltage signal to the input signal end (IP), applying a fixed voltage signal to the control clock signal end, and applying a clock pulse signal to the noise reduction clock signal end.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: January 2, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Guangliang Shang, Jie Zhang, Shuo Huang, Libin Liu, Shiming Shi, Hao Liu, Haoliang Zheng, Xing Yao
  • Publication number: 20230418122
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
    Type: Application
    Filed: September 12, 2023
    Publication date: December 28, 2023
    Inventors: Liang Chen, Minghua Xuan, Dongni Liu, Haoliang Zheng, Li Xiao, Zhenyu Zhang, Hao Chen, Ke Wang
  • Patent number: 11854493
    Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technology. The display substrate of the present disclosure includes: a base substrate; and a plurality of pixel units arranged in an array, a plurality of signal lines and signal supply modules on the base substrate; wherein the signal supply module includes: a signal supply circuit and a redundant signal supply circuit; each of the signal supply modules is electrically coupled to at least one of the plurality of pixel units through at least one of the plurality of signal lines.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 26, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiao Zhao, Li Xiao, Minghua Xuan, Haoliang Zheng, Dongni Liu, Jing Liu, Qi Qi
  • Patent number: 11847966
    Abstract: A shift register (SR) includes a voltage control circuit (110) and a bias compensation circuit (120). The voltage control circuit (110) is configured to control a voltage at a first node (Output) to be a first voltage or a second voltage. The bias compensation circuit (120) is configured to: when the voltage at the first node (Output) is the first voltage, transmit a first signal received by a first signal terminal (VDD-A) to a first signal output terminal (EM1), and transmit a second signal received by a second signal terminal (VDD-B) to a second signal output terminal (EM2); and in response to the voltage at the first node (Output) being the second voltage, transmit a signal received by a first voltage terminal (LVGL1) to the first signal output terminal (EM1) and the second signal output terminal (EM2).
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: December 19, 2023
    Assignee: Boe Technology Group Co., LTD.
    Inventors: Haoliang Zheng, Minghua Xuan, Dongni Liu, Zhenyu Zhang, Li Xiao, Liang Chen, Hao Chen, Jiao Zhao, Lijun Yuan, Yi Ouyang, Qi Qi
  • Publication number: 20230360586
    Abstract: Disclosed are a display panel, a control method for the same, and a display device. The display panel includes: M rows and N columns of pixel units, N current data lines sequentially arranged along a row direction, and N time-length data lines sequentially arranged along the row direction. Each pixel unit includes a pixel circuit, the pixel circuit including a current data terminal and a time-length data terminal. An ith column of the current data lines and an ith column of the time-length data lines are respectively located on two sides of an ith column of pixel units, the current data terminals of the pixel circuits of the ith column of pixel units are electrically connected to the ith column of the current data lines.
    Type: Application
    Filed: April 15, 2021
    Publication date: November 9, 2023
    Inventors: Li XIAO, Haoliang ZHENG, Minghua XUAN, Hao CHEN, Dongni LIU, Jiao ZHAO, Seungwoo HAN, Liang CHEN, Qi QI
  • Publication number: 20230360585
    Abstract: Embodiments of the present disclosure provide a pixel drive circuit, a method for driving the pixel drive circuit, and a display device. The pixel drive circuit includes: a drive sub-circuit, a write sub-circuit and a control circuit. The control circuit further is coupled to a light-emitting control signal terminal, a second scanning signal terminal and a second data signal terminal, and is configured to determine a duration of providing a driving signal to a to-be-driven element under control of a light-emitting control signal provided by the light-emitting control signal terminal and a second scanning signal provided by the second scanning signal terminal.
    Type: Application
    Filed: March 30, 2021
    Publication date: November 9, 2023
    Inventors: Minghua XUAN, Haoliang ZHENG, Seungwoo HAN, Qi QI, Jing LIU
  • Publication number: 20230351944
    Abstract: Provided are a pixel circuit and a method for driving the same, a display panel and a display device. A drive circuit (04) in the pixel circuit is capable of controlling conduction/non-conduction between a second node (N2) and a third node (N3) under the control of a potential of a first node (N1). A light-emission control circuit (03) in the pixel circuit is capable of controlling conduction/non-conduction between a cathode of a light-emitting element and a second node (N2), and controlling conduction/non-conduction between the third node (N3) and a pull-down power terminal (LVSS) under the control of a potential of a light-emission control signal; and a potential of the first node (N1) is not be affected by a potential of an anode of the light-emitting element.
    Type: Application
    Filed: March 11, 2021
    Publication date: November 2, 2023
    Inventors: Seungwoo HAN, Li XIAO, Haoliang ZHENG, Dongni LIU, Jiao ZHAO, Liang CHEN, Hao CHEN, Minghua XUAN
  • Publication number: 20230351943
    Abstract: Disclosed are a pixel circuit and a drive method for the same, and a display panel and a drive method for the same. The pixel circuit is configured to drive a light-emitting element to emit light, including: a current control sub-circuit and a time-length control sub-circuit. The current control sub-circuit is electrically connected to a current data terminal, a scanning signal terminal, a reset signal terminal, an initial signal terminal, a light-emitting signal terminal, a first power terminal, a first node, and a second node, respectively. The time-length control sub-circuit is electrically connected to a first control terminal, a second control terminal, a time-length data terminal, a ground terminal, a light-emitting signal terminal, a high-frequency input terminal, and the first node, respectively.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 2, 2023
    Inventors: Li XIAO, Haoliang ZHENG, Minghua XUAN, Seungwoo HAN, Hao CHEN, Dongni LIU, Jiao ZHAO, Liang CHEN, Qi QI
  • Publication number: 20230351968
    Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.
    Type: Application
    Filed: June 21, 2023
    Publication date: November 2, 2023
    Inventors: Zhenyu ZHANG, Li XIAO, Dongni LIU, Liang CHEN, Hao CHEN, Haoliang ZHENG, Minghua XUAN, Jiao ZHAO
  • Patent number: 11798473
    Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit configured to transmit a data voltage signal to a first terminal of a driving sub-circuit in response to a first scanning signal; a threshold compensation sub-circuit configured to compensate for a threshold voltage of the driving sub-circuit in response to a second scanning signal; a storage sub-circuit configured to store the data voltage signal; the driving sub-circuit configured to provide a driving current for a light emitting device to be driven according to voltages of a first terminal and a control terminal of the driving sub-circuit; and a voltage maintaining sub-circuit configured to maintain the voltage of the control terminal of the driving sub-circuit when the voltage of the first terminal of the driving sub-circuit jumps.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: October 24, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Haoliang Zheng, Li Xiao, Liang Chen, Zhenyu Zhang, Jiao Zhao, Hao Chen
  • Patent number: 11796877
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes: a base substrate, including a plurality of substrate via holes located in a display area of the display panel; and a plurality of driving signal lines and a plurality of bonding terminals, respectively located on different sides of the base substrate. At least one of the plurality of driving signal lines is electrically connected to at least one of the plurality of bonding terminals through the substrate via hole(s).
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: October 24, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Minghua Xuan, Dongni Liu, Haoliang Zheng, Li Xiao, Zhenyu Zhang, Hao Chen, Ke Wang