Patents by Inventor Dongni LIU

Dongni LIU 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: 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
  • 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: 20250040317
    Abstract: The present disclosure provides a display apparatus and a display panel. The display panel includes: a drive backplate, including a substrate and a drive circuit layer on the substrate, where the drive circuit layer includes drive circuit regions arranged at intervals and transparent regions around the drive circuit regions, the transparent region includes concave parts, and a number of layers in the respective concave parts of the drive circuit layer is less than a number of layers in the respective drive circuit regions; a side of the drive circuit regions of the drive circuit layer away from the substrate includes pads for connecting a light-emitting unit; a light-transmissive glue for filling the concave parts, and a surface of the light-transmissive glue away from the substrate is on a side of the pads away from the substrate. The present disclosure can improve display effect.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 30, 2025
    Inventors: Yanan NIU, Yan QU, Dongni LIU, Jinqian WANG, Jing NIU, Tingting ZHOU, Shuang SUN, Bin QIN, Hongwei TIAN, Fangzhen ZHANG, Wei WANG
  • 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: 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
  • Patent number: 12176377
    Abstract: A chip structure, a manufacturing method thereof, and a display device are provided. The chip structure comprises a substrate, a micro light-emitting diode and a drive transistor arranged on the substrate, wherein a first pole of the drive transistor is coupled to a first electrode of the micro light-emitting diode.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: December 24, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Haoliang Zheng, Hao Chen, Minghua Xuan, Dongni Liu, Jiao Zhao, Qi Qi, Li Xiao
  • Patent number: 12170066
    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: Grant
    Filed: June 21, 2023
    Date of Patent: December 17, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhenyu Zhang, Li Xiao, Dongni Liu, Liang Chen, Hao Chen, Haoliang Zheng, Minghua Xuan, Jiao Zhao
  • Publication number: 20240395197
    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: Application
    Filed: June 30, 2021
    Publication date: November 28, 2024
    Inventors: Seungwoo HAN, Haoliang ZHENG, Li XIAO, Dongni LIU, Liang CHEN, Hao CHEN, Jiao ZHAO, Minghua XUAN
  • Publication number: 20240386842
    Abstract: A pixel driving circuit includes a driving control sub-circuit and a time control sub-circuit. The driving control sub-circuit includes a first driving sub-circuit. The first driving sub-circuit is configured to output a driving signal to drive an element to be driven to operate. The time control sub-circuit includes a second driving sub-circuit. The second driving sub-circuit is configured to output a third voltage signal to make the first driving sub-circuit stop outputting the driving signal, so as to control operating duration of the element to be driven.
    Type: Application
    Filed: July 30, 2024
    Publication date: November 21, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Minghua XUAN, Dongni LIU, Qi QI, Jing LIU, Han YUE
  • Patent number: 12130527
    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: September 12, 2023
    Date of Patent: October 29, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Liang Chen, Minghua Xuan, Dongni Liu, Haoliang Zheng, Li Xiao, Zhenyu Zhang, Hao Chen, Ke Wang
  • Patent number: 12125428
    Abstract: A shift register includes: an input circuit configured to receive an input signal; a first control circuit configured to control, in response to a second clock signal and a voltage at a second node, a voltage at the first node; a second control circuit configured to control, in response to a first clock signal, the second clock signal, and the voltage at the first node, a voltage at the second node, and control, in response to the second clock signal and the voltage at the first node, a voltage at the fifth node; and an output circuit configured to transmit, in response to an active level at the first node, a second power signal to an output signal terminal, and transmit, in response to an active level at the fifth node, the first power signal to the output signal terminal. All transistors included in the shift register are N-type transistors.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: October 22, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Seungwoo Han, Haoliang Zheng, Dongni Liu, Li Xiao, Jiao Zhao, Xiaorong Cui, Minghua Xuan
  • Patent number: 12112707
    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: Grant
    Filed: April 27, 2023
    Date of Patent: October 8, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Xiao, Haoliang Zheng, Hao Chen, Minghua Xuan, Dongni Liu, Seungwoo Han, Liang Chen, Jiao Zhao, Xue Dong
  • Publication number: 20240321186
    Abstract: An array substrate has a display area and includes at least one pixel group, at least one pixel circuit group and at least one shift register circuit. The at least one pixel group is disposed in the display area. Each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group. Each pixel circuit group includes at least one pixel driving sub-circuit group. A shift register circuit is disposed between two rows of pixels or two columns of pixels that are different from two rows of pixels or two columns of pixels between which a pixel driving sub-circuit group is disposed.
    Type: Application
    Filed: May 31, 2024
    Publication date: September 26, 2024
    Inventors: Jiao ZHAO, Li XIAO, Minghua XUAN, Haoliang ZHENG, Dongni LIU, Jing LIU, Qi QI, Zhenyu ZHANG, Liang CHEN, Hao CHEN, Lijun YUAN
  • Publication number: 20240312411
    Abstract: A pixel drive circuit is configured to drive a light emitting device to emit light, the light emitting device includes a first electrode and a second electrode, the pixel drive circuit includes a current control sub-circuit and a duration control sub-circuit; the duration control sub-circuit is configured to provide control signal to a first node under control of signals of a first scan signal line, a first reset signal line, a first light emitting signal line, control signal line, a data signal line, an initial signal line, and a first power supply line; the current control sub-circuit is configured to provide a drive current to a first electrode of a light emitting device under control of signals of a first node, a second scan signal line, a second reset signal line, a second light emitting signal line, a Data signal line, and a second power supply line.
    Type: Application
    Filed: May 16, 2024
    Publication date: September 19, 2024
    Inventors: Yunsik IM, Shunhang ZHANG, Zhenyu ZHANG, Zhen ZHANG, Peirou LI, Dongni LIU, Lianfu YU
  • Publication number: 20240304136
    Abstract: Disclosed are an array substrate, a detection method for the array substrate, and a splicing display panel. In the array substrate, each of pixels (1) includes 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) includes at least one inorganic light-emitting diode; a display area (A1) further includes: 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: Application
    Filed: May 14, 2024
    Publication date: September 12, 2024
    Inventors: Hao CHEN, Zhenyu ZHANG, Jiao ZHAO, Li XIAO, Dongni LIU, Haoliang ZHENG, Liang CHEN, Minghua XUAN, Ming YANG, Xinhong LU, Qi QI