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).

  • Publication number: 20250140163
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of pixel units distributed in an array. The pixel unit includes: a pixel driver circuit configured to provide a driving current, a plurality of sub-pixels configured to emit light under an action of the driving current, and a switching circuit including a plurality of switching units arranged in correspondence with the plurality of sub-pixels. The switching unit is connected in series between the pixel driver circuit and a corresponding sub-pixel, a control end of the switching unit is configured to receive a switching signal, a first end of the switching unit is connected to the pixel driver circuit, a second end of the switching unit is connected to the corresponding sub-pixel, and the switching unit conducts a communication path between the sub-pixel and the pixel driver circuit in response to the switching signal.
    Type: Application
    Filed: June 24, 2022
    Publication date: May 1, 2025
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Shunhang ZHANG, Zhenyu ZHANG, Dongni LIU, Minghua XUAN, Yunsik IM, Zhen ZHANG, Peirou LI, Haoliang ZHENG, Li XIAO, Zhuo LI
  • Publication number: 20250131878
    Abstract: A pixel circuit, a driving method therefor, and a display device. The pixel circuit comprises: a current control circuit (301), a duration control circuit (302), and a light-emitting element (303), wherein the current control circuit (301) is used for receiving a data signal (DI) and a first scan signal (gataA), and controlling the amplitude of a generated drive current according to the data signal (DI) and the first scan signal (gataA), and the duration control circuit (302) is used for receiving a mode control signal (DT), a pulse control signal (hf), a light-emitting control signal (em_b), and the drive current of the current control circuit (301), and controlling, according to the amplitude of the mode control signal (DT), the length of time for providing the light-emitting element (303) with the drive current.
    Type: Application
    Filed: September 24, 2021
    Publication date: April 24, 2025
    Inventors: SeungWoo HAN, Haoliang ZHENG, Dongni LIU, Li XIAO, Liang CHEN, Jiao ZHAO, Xiaorong CUI, Minghua XUAN
  • Patent number: 12277893
    Abstract: A shift register includes: an input circuit for transmitting an input signal to a first node under control of a first clock signal, and for transmitting the first clock signal to the second node under control of a level of the first node; a control circuit for transmitting a second power supply signal to the first node under control of a level of the second node and a second clock signal, for transmitting the second clock signal to the third node under control of a level of the fourth node and/or the first; a pull-down control circuit; and an output circuit for transmitting the fourth power supply signal or the third power supply signal to the signal output terminal. The pull-down control circuit controls a level of the fifth node regardless of the first clock signal.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 15, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo Han, Haoliang Zheng, Minghua Xuan
  • Patent number: 12279480
    Abstract: Provided is a display substrate, including: a substrate, multiple pixel units disposed on the substrate and at least one micro integrated circuit. Each pixel unit includes multiple sub-pixels, and at least one sub-pixel of the multiple sub-pixels includes a light-emitting element and a pixel drive circuit electrically connected to the light-emitting element. The pixel drive circuit includes at least one thin film transistor. The at least one micro integrated circuit is electrically connected to at least one pixel unit.
    Type: Grant
    Filed: August 19, 2021
    Date of Patent: April 15, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Minghua Xuan, Haoliang Zheng
  • Patent number: 12274127
    Abstract: An array substrate is configured to carry a plurality of light emitting units with different light emitting colors. The array substrate includes a plurality of pixel driving circuits, a first voltage input line and a second voltage input line. The plurality of pixel driving circuits include at least one first driving circuit and at least one second driving circuit. The first voltage input line is coupled to the at least one first driving circuit, and is configured to transmit a first voltage to the at least one first driving circuit. The second voltage input line is coupled to the at least one second driving circuit, and is configured to transmit a second voltage to the at least one second driving circuit. The first voltage is different from the second voltage.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: April 8, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongni Liu, Minghua Xuan, Haoliang Zheng, Jiao Zhao
  • Publication number: 20250111827
    Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.
    Type: Application
    Filed: December 13, 2024
    Publication date: April 3, 2025
    Inventors: Li XIAO, Seungwoo HAN, Dongni LIU, Haoliang ZHENG, Minghua XUAN, Jiao ZHAO, Liang CHEN, Xiaorong CUI
  • Patent number: 12266747
    Abstract: The present disclosure discloses a light-emitting substrate, a method for forming the light-emitting substrate and a display device. The light-emitting substrate includes: a base substrate; a first signal line located at one side of the base substrate; an insulation layer located at one side of the first signal line away from the base substrate; an electrode layer located at one side of the insulation layer away from the base substrate and including a first electrode terminal, a second electrode terminal and a second signal line, where the first electrode terminal is electrically connected to the first signal line via a first through hole penetrating the insulation layer; and at least one light-emitting element bound and connected to the first electrode terminal and the second electrode terminal.
    Type: Grant
    Filed: November 9, 2021
    Date of Patent: April 1, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jiao Zhao, Haoliang Zheng, Li Xiao, Dongni Liu, Liang Chen, Hao Chen, Minghua Xuan
  • Patent number: 12266301
    Abstract: A pixel circuit includes a first driving circuit, a first control circuit, a second driving circuit and a second control circuit. The first driving circuit is configured to write a first data signal into a first node in response to a scanning signal. The first control circuit is configured to transmit a first voltage signal to the first driving circuit, and transmit a first driving signal generated by the first driving circuit according to a voltage of the first node and the first voltage signal in response to an enable signal. The second driving circuit is configured to write a second data signal into a second node in response to the scanning signal. The second control circuit is configured to transmit a second driving signal generated by the second driving circuit according to a voltage of the second node and the first voltage signal in response to a control signal.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 1, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo Han, Haoliang Zheng, Li Xiao, Dongni Liu, Liang Chen, Hao Chen, Jiao Zhao, Minghua Xuan
  • Publication number: 20250093722
    Abstract: An array substrate, a method for manufacturing an array substrate, a liquid crystal cell and a display apparatus are provided. The array substrate includes: a first base substrate; thin film transistors; a first planarization layer; a common electrode on a side of the first planarization layer away from the thin film transistors; a first dielectric layer on a side of the common electrode away from the first planarization layer; first pixel electrodes on a side of the first dielectric layer away from the common electrode; the first pixel electrodes are electrically connected to the thin film transistors in a one-to-one correspondence through first vias extending through the first dielectric layer and the first planarization layer; a surface of each first pixel electrode away from the first base substrate is provided with a first groove at least corresponding to a corresponding first via.
    Type: Application
    Filed: July 26, 2022
    Publication date: March 20, 2025
    Inventors: Yunping DI, Chenyang ZHANG, Lizhong WANG, Yichi ZHANG, Haoliang ZHENG, Zhen ZHANG
  • Patent number: 12254841
    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: Grant
    Filed: December 20, 2021
    Date of Patent: March 18, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Haoliang Zheng, Yan Qu, Dongni Liu, Li Xiao, Jiao Zhao, Xiaorong Cui, Seungwoo Han, Minghua Xuan
  • Publication number: 20250081609
    Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a plurality of circuit units (Q), the plurality of circuit units (Q) includes at least a first circuit unit (Q1), a second circuit unit (Q2) and a third circuit unit (Q3), wherein the first circuit unit (Q1) includes at least a first drive transistor (DTFT1), the second circuit unit (Q2) includes at least a second drive transistor (DTFT2), the third circuit unit (Q3) includes at least a third drive transistor (DTFT3), the channel width of the first drive transistor (DTFT1) is larger than that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3), and the channel length of the first drive transistor (DTFT1) is the same as that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3).
    Type: Application
    Filed: December 22, 2022
    Publication date: March 6, 2025
    Inventors: Li XIAO, Haoliang ZHENG, Minghua XUAN, Jiao ZHAO, Yuzhen GUO, Xiaorong CUI, Chenyang ZHANG
  • Publication number: 20250076725
    Abstract: A simulation method is provided, including: obtaining a model parameter information, including a total charge quantity and respective charge volume densities of various charged particles, and an external electric field force; calculating a built-in electric field intensity by using the model parameter information and a pre-constructed model, where an input of the model includes the total charge quantity and the respective charge volume densities of the various charged particles; calculating, based on the built-in electric field intensity, a built-in electric field force acting on each charged particle; simulating a motion of each charged particle according to the external electric field force and the built-in electric field force acting on each charged particle; and determining a display grayscale under the external electric field force to obtain a simulation relationship between display grayscale and external electric field force, in response to the motion of each charged particle stopping.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 6, 2025
    Inventors: Xiaorong Cui, Yuzhen Guo, Haoliang Zheng, Li Xiao, Chenyang Zhang, Minghua Xuan, Lipeng Gao, Jiao Zhao
  • Publication number: 20250081610
    Abstract: Disclosed are a display substrate and a preparation method therefor, and a display apparatus. The display substrate includes a plurality of first circuit regions and a plurality of second circuit regions alternately disposed along a second direction, a first circuit region includes a plurality of repeat units (RU) and a plurality of blank units (KB) alternately disposed along a first direction, a repeat unit (RU) includes a plurality of circuit units (Q), a circuit unit (Q) includes a pixel drive circuit and a data signal line (DataI) connected with the pixel drive circuit, a second circuit region includes at least one gate unit (G), the gate unit includes at least one gate drive circuit, and an orthographic projection of the gate drive circuit on a plane of the display substrate is not overlapped with an orthographic projection of the data signal line (DataI) on the plane of the display substrate.
    Type: Application
    Filed: December 22, 2022
    Publication date: March 6, 2025
    Inventors: Li XIAO, Yan QU, Haoliang ZHENG, Jiao ZHAO, Yuzhen GUO, Xiaorong CUI, Chenyang ZHANG, Minghua XUAN
  • Publication number: 20250046263
    Abstract: Disclosed are a display panel, a driving method thereof, and a display apparatus. The display panel has a plurality of first region groups arranged in a first direction and extending in a second direction. The first region group internally includes a plurality of first signal lines arranged in the first direction. A non-display region includes: a plurality of second signal lines, and a plurality of first multiplexers in one-to-one correspondence with the plurality of first region groups and sharing the plurality of second signal lines. The first multiplexers are connected to the first signal lines in the corresponding first region groups one to one. The first signal lines are electrically connected to pixel sub-electrodes in pixels arranged in the second direction.
    Type: Application
    Filed: March 27, 2024
    Publication date: February 6, 2025
    Inventors: Yuzhen GUO, Baoxi WANG, Haoliang ZHENG, Li XIAO, Lipeng GAO, Jiao ZHAO, Xiaorong CUI, Yichi ZHANG
  • Patent number: 12213354
    Abstract: A display panel is provided. The display panel includes a base substrate and a plurality of display units disposed on the base substrate. The display unit includes a signal line, a light-emitting device and a drive unit. The light-emitting device is disposed in a flexible display region of the base substrate, the drive unit is disposed in a pixel circuit region of the base substrate, and the signal line is connected with the light-emitting device and the drive unit.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: January 28, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Hao Chen, Jinxiang Xue, Liang Chen, Jiao Zhao, Li Xiao, Dongni Liu, Seungwoo Han, Haoliang Zheng, Minghua Xuan
  • Patent number: 12198989
    Abstract: The present disclosure provides a method for detecting resistance of a side trace of a display substrate and the display substrate, and belongs to the field of display technology. In the method for detecting resistance of a side trace of a display substrate, the display substrate includes: a base substrate including a first surface and a second surface opposite to each other; a plurality of first pads at intervals on the first surface; and a plurality of second pads at intervals on the second surface; the first pad is electrically connected to a corresponding second pad through a side trace; the method includes forming at least one detection unit; wherein forming the detection unit includes: connecting two first pads through a connection part; and detecting two second pads in the detection unit, and obtaining resistance of the detection unit to obtain the resistance of the side trace.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: January 14, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Jiao Zhao, Minghua Xuan, Dongni Liu, Haoliang Zheng, Zhenyu Zhang, Liang Chen, Hao Chen, Jing Liu, Qi Qi
  • Patent number: 12198608
    Abstract: A display substrate includes a plurality of data lines extending in a first direction, and a plurality of sub-pixels. A sub-pixel includes a pixel driving circuit and a light-emitting device. The pixel driving circuit includes a current control circuit, and a duration control circuit electrically connected to the current control circuit and the light-emitting device. The current control circuit is configured to generate a driving signal to drive the light-emitting device to emit light; and the duration control circuit is configured to generate a duration control signal to control a duration of a connection between the current control circuit and the light-emitting device. The current control circuit and the duration control circuit are electrically connected to a same data line.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: January 14, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Seungwoo Han, Dongni Liu, Haoliang Zheng, Minghua Xuan, Jiao Zhao, Liang Chen, Xiaorong Cui
  • Publication number: 20250014503
    Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a driving circuit, a light emitting element and a light emitting gating control circuit; the driving circuit is electrically connected to a first electrode of the light emitting element, and is configured to drive the light emitting element; the light emitting gating control circuit is configured to form a current path between the second electrode of the light emitting element and the first voltage terminal under the control of the first control signal provided by the first control terminal according to the first light emitting control voltage provided by the first light emitting control voltage terminal and the light emitting data voltage provided by the light emitting data voltage terminal, to control the driving circuit to control the light emitting element to emit light.
    Type: Application
    Filed: September 1, 2022
    Publication date: January 9, 2025
    Inventors: Jiao ZHAO, Yuzhen GUO, Haoliang ZHENG, Li XIAO, Chenyang ZHANG, Xiaorong CUI, Minghua XUAN, Wanzhi CHEN, Yan QU
  • Publication number: 20250014514
    Abstract: A pixel driving circuit includes a driving sub-circuit and a control sub-circuit. The driving sub-circuit is coupled to a data signal terminal, a scan signal terminal, a first power supply voltage terminal, an enable signal control terminal and an element to be driven, and the driving sub-circuit is configured to, in response to an enable signal, transmit a generated driving signal to the element to be driven, and control a current path transmitting the driving signal to be turned on and off. The control sub-circuit is coupled to the enable signal control terminal, and the control sub-circuit is configured to, in response to a signal received at the control signal terminal, transmit a signal 10 received at a first enable signal terminal or a signal received at a second enable signal terminal to the enable signal control terminal.
    Type: Application
    Filed: July 21, 2022
    Publication date: January 9, 2025
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ning CONG, Li XIAO, Haoliang ZHENG, Can ZHANG, Minghua XUAN, Xiaochuan CHEN, Can WANG, Jinfei NIU, Jingjing ZHANG
  • Publication number: 20240428738
    Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.
    Type: Application
    Filed: September 4, 2024
    Publication date: December 26, 2024
    Inventors: Li XIAO, Haoliang ZHENG, Hao CHEN, Minghua XUAN, Dongni LIU, Seungwoo HAN, Liang CHEN, Jiao ZHAO, Xue DONG