Patents by Inventor Ke Dai

Ke Dai 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: 11719979
    Abstract: The present disclosure provides an array substrate, a dimming liquid crystal panel and a display panel. The array substrate includes: a first transparent electrode layer with a plurality of slit structures, wherein the first transparent electrode layer comprises a plurality of domains, the plurality of domains comprise at least two types of domains, each of the plurality of domains is adjacent to different types of domains along both a row direction and a column direction; and a plurality of gate lines extending along the row direction and a plurality of data lines extending along the column direction, the plurality of gate lines and the plurality of data lines crossing to define a plurality of dimming regions arranged in an array.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: August 8, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yue Du, Wei Guo, Ke Dai, Lei Guo, Liangliang Jiang, Jiaqing Liu, Yuanhui Guo
  • Publication number: 20230215333
    Abstract: A display device, a gate drive circuit, a shift register and a control method are disclosed. The shift register includes a first shift register unit and a second shift register unit, the first shift register unit is configured to write a first control signal to the first node, and write a first clock signal to the first signal output terminal under control of a voltage of the first node; the second shift register unit is configured to write a second clock signal to the second signal output terminal under control of the voltage of the first node; during time of a frame, the first clock signal and a first input signal provided by a first signal input terminal are pulse signals, and the second clock signal is a DC signal.
    Type: Application
    Filed: March 10, 2023
    Publication date: July 6, 2023
    Inventors: Zuquan HU, Zhenyu ZHANG, Haipeng YANG, Ke DAI
  • Patent number: 11678546
    Abstract: An array substrate, a manufacturing method thereof and a display panel are provided. The array substrate includes sub-pixel units, and each sub-pixel unit includes a light emitting region and a non-light emitting region; each sub-pixel unit includes a light emitting element, the light emitting element includes a light emitting layer and a first electrode, and at least a part of the first electrode is in the light emitting region. A plurality of first wires are configured to supply a power signal to the light emitting element and include a first sub-wire; the first sub-wire includes a plurality of portions, adjacent two of the plurality of portions are spaced apart from each other by an opening in the light emitting region; at least a part of an orthographic projection of the opening on the array substrate does not overlap with an orthographic projection of the first electrode on the array substrate.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: June 13, 2023
    Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Tingliang Liu, Zhen Zhang, Ke Dai
  • Patent number: 11670444
    Abstract: An integrated magnetic assembly includes a magnetic core having a first component and a second component. The first component includes a first face and a winding leg extending from the first face. The winding leg includes a top face spaced from and oriented generally parallel to the first face. The second component is coupled to the first component and has a second face facing the first face. The second component further includes a third face recessed from and oriented generally parallel to the second face and a recess sidewall extending between the second face and the third face. The integrated magnetic assembly further includes an input winding and an output winding each inductively coupled to the magnetic core. The third face and the recess sidewall define a recess within the second face. Additionally, a gap is defined between the top face and the third face.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: June 6, 2023
    Assignee: ABB Power Electronics Inc.
    Inventors: Ke Dai, Tom Sun, Lanlan Yin
  • Publication number: 20230141490
    Abstract: A thin film transistor, an array substrate and a display device are provided. The thin film transistor is on a base substrate and includes a gate electrode, a first electrode, and a second electrode on the base substrate. The gate electrode includes a first body portion and a first extension portion extending along the first direction, electrically connected with the first body portion, and spaced apart from the first body portion by a first spacing.
    Type: Application
    Filed: January 4, 2023
    Publication date: May 11, 2023
    Inventors: Yuntian ZHANG, Zhou RUI, Peng JIANG, Haipeng YANG, Ke DAI, Chunxu ZHANG, Zhonghou WU, Li TIAN
  • Patent number: 11645965
    Abstract: An image processing method includes: constructing an image data analysis model; obtaining a first gray level of at least one of a plurality of first sub-pixels, and second gray levels of at least two second sub-pixels corresponding to each of the at least one first sub-pixel; obtaining a first light transmittance corresponding to the first gray level of the at least one first sub-pixel, and second light transmittances corresponding to the second gray levels of the at least two second sub-pixels corresponding to each of the at least one first sub-pixel, and determining actual light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively according to the image data analysis model; and obtaining target light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively, and determining compensation gray levels corresponding to the at least two second sub-pixels according to the actual light transmittances corresponding
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 9, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shenghua Hu, Chunyang Nie, Ruilian Li, Xueqin Wei, Ke Dai
  • Patent number: 11645969
    Abstract: A display device, a gate drive circuit, a shift register and a control method are disclosed. The shift register includes a first shift register unit and a second shift register unit, the first shift register unit is configured to write a first control signal to the first node, and write a first clock signal to the first signal output terminal under control of a voltage of the first node; the second shift register unit is configured to write a second clock signal to the second signal output terminal under control of the voltage of the first node; during time of a frame, the first clock signal and a first input signal provided by a first signal input terminal are pulse signals, and the second clock signal is a DC signal.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: May 9, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zuquan Hu, Zhenyu Zhang, Haipeng Yang, Ke Dai
  • Publication number: 20230116630
    Abstract: An image processing method includes: constructing an image data analysis model; obtaining a first gray level of at least one of a plurality of first sub-pixels, and second gray levels of at least two second sub-pixels corresponding to each of the at least one first sub-pixel; obtaining a first light transmittance corresponding to the first gray level of the at least one first sub-pixel, and second light transmittances corresponding to the second gray levels of the at least two second sub-pixels corresponding to each of the at least one first sub-pixel, and determining actual light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively according to the image data analysis model; and obtaining target light transmittances corresponding to the second gray levels of the at least two second sub-pixels respectively, and determining compensation gray levels corresponding to the at least two second sub-pixels according to the actual light transmittances corresponding
    Type: Application
    Filed: September 26, 2019
    Publication date: April 13, 2023
    Inventors: Shenghua HU, Chunyang NIE, Ruilian LI, Xueqin WEI, Ke DAI
  • Publication number: 20230107582
    Abstract: A light control panel includes a first substrate and a second substrate oppositely disposed, and a first liquid crystal layer therebetween; the first substrate includes: a first base substrate; and a signal transmission line on a side of the first base substrate close to the first liquid crystal layer and in the peripheral area, the second substrate includes: a second base substrate; and a first black matrix layer on a side of the second base substrate close to the first liquid crystal layer and in the dimming area and the peripheral area; the first black matrix layer has a slot in the peripheral area, and an orthographic projection of at least a part of the slot on the first base substrate is on a side of an orthographic projection of the signal transmission line on the first base substrate, close to the dimming area.
    Type: Application
    Filed: October 20, 2021
    Publication date: April 6, 2023
    Inventors: Xiaoting JIANG, Ke DAI, Haipeng YANG, Chunxu ZHANG, Min CHENG, Zhou RUI
  • Patent number: 11616394
    Abstract: An electronic device includes a magnetic element, and a first circuit module. The magnetic element includes a magnetic core set and a winding assembled in the magnetic core set. The first circuit module is coupled to the first winding of the magnetic element. A vertical projection area of the first circuit module has an overlap portion with a vertical projection area of the winding of the magnetic core set on a first plane, and the first plane is a horizontal plane at which the winding is located.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: March 28, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Min Zhou, Ke Dai, Ming-Hui Dai, Zi-Ying Zhou
  • Publication number: 20230092089
    Abstract: Disclosed is an array substrate, a display panel, and a display apparatus, and belongs to the field of displays.
    Type: Application
    Filed: May 13, 2021
    Publication date: March 23, 2023
    Inventors: Chunxu ZHANG, Yuntian ZHANG, Xiaoting JIANG, Haipeng YANG, Ke DAI
  • Patent number: 11610557
    Abstract: A method for improving a halo is applied to a display panel. The display panel includes a dimming sub-panel and a display sub-panel that are superposed. The dimming sub-panel includes a plurality of first pixels, the display sub-panel includes a plurality of second pixels, and each first pixel corresponds to at least two second pixels. The method for improving the halo includes: as for the first pixel: acquiring a second brightness datum of each of the at least two second pixels corresponding to the first pixel; calculating a target brightness datum of the first pixel according to second brightness data of the at least two second pixels; determining a first gray-scale datum of the first pixel according to the target brightness datum.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: March 21, 2023
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ruilian Li, Xueqin Wei, Lixin Zhu, Lei Shi, Chunyang Nie, Ke Dai
  • Patent number: 11581413
    Abstract: A thin film transistor, an array substrate and a display device. The thin film transistor includes a gate electrode, a first electrode, and a second electrode on the base substrate. The gate electrode includes a first body portion and a first extension portion extending along the first direction, electrically connected with the first body portion, and spaced apart from the first body portion by a first spacing. The first electrode includes a first overlapping end, an orthographic projection of the first overlapping end on the base substrate at least partially overlaps with an orthographic projection of the first body portion on the base substrate; a first compensation end at a side of the first overlapping end away from the first body portion; and a first intermediate portion connecting the first overlapping end and the first compensation end.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: February 14, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Zhou Rui, Peng Jiang, Haipeng Yang, Ke Dai, Chunxu Zhang, Zhonghou Wu, Li Tian
  • Publication number: 20230038437
    Abstract: The present disclosure provides a display device. The display device includes: a liquid crystal display panel; a liquid crystal light control panel located on the light incident side of the liquid crystal display panel; and at least two haze layers located on the light emitting side of the liquid crystal display panel.
    Type: Application
    Filed: August 4, 2021
    Publication date: February 9, 2023
    Inventors: Lin ZHANG, Yanping LIAO, Lei GUO, Ke DAI, Li TIAN
  • Publication number: 20230042675
    Abstract: A display panel and a display device are provided. The display panel includes a first substrate and a second substrate arranged oppositely. The first substrate includes a spacer. The second substrate includes: a second base substrate; a data line including, a body portion and a bending portion; and a sub-pixel including a light transmission region. An orthographic projection of the spacer on the second base substrate is adjacent to that of the light transmission region on the second base substrate, the orthographic projection of the spacer on the second base substrate is spaced apart from that of the data line on the second base substrate; an orthographic projection of the bending portion on the second base substrate is bent toward a direction away from the orthographic projection of the spacer on the second base substrate with respect to an orthographic projection of the body portion on the second base substrate.
    Type: Application
    Filed: June 8, 2021
    Publication date: February 9, 2023
    Inventors: Chunxu Zhang, Yuntian Zhang, Xiaoting Jiang, Haipeng Yang, Ke Dai
  • Patent number: 11573470
    Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises: a display liquid crystal panel comprising a plurality of sub-pixels defined by a first grid structure and arranged in an array; a dimming liquid crystal panel located on a light incident side of the display liquid crystal panel and stacked with the display liquid crystal panel, the dimming liquid crystal panel comprising a plurality of dimming pixels defined by a second grid structure and arranged in an array; wherein the second grid structure comprises a plurality of shading lines which extend in a waveform along a row direction and have the same period, and a waveform phase difference ?? of any two adjacent shading lines meets: 0<|??|<?.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: February 7, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yue Du, Yuanhui Guo, Lei Guo, Ke Dai
  • Patent number: 11573446
    Abstract: Disclose are a display substrate, a liquid crystal display panel and a display device. The display substrate is provided with a display region. The display substrate includes: a base substrate, and a black matrix arranged on a side of the base substrate. The black matrix includes: a first region corresponding to the display region, and a plurality of frame regions arranged on a periphery of the first region. At least one rectilinear first slit and at least one rectilinear second slit intersecting with the at least one rectilinear first slit are arranged in the at least one of the frame regions, and an extending direction of the at least one rectilinear first slit is same as an extending direction of the at least one of the frame regions.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: February 7, 2023
    Assignees: Hefei BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Min Cheng, Ke Dai, Haipeng Yang, Maoxiu Zhou, Xiaoting Jiang, Chunxu Zhang
  • Patent number: 11567361
    Abstract: The present disclosure relates to the field of display technology, and provides a display module and a display device. The display module includes a first display sub-panel, where the first display sub-panel includes: a first display sub-panel including a plurality of first pixel units; and a second display sub-panel arranged at a light-entering side of the first display sub-panel and including a plurality of second pixel units. Each second pixel unit corresponds to at least one first pixel unit, an orthogonal projection of each second pixel unit onto the first display sub-panel coincides with the corresponding first pixel unit, and the second display sub-panel is a vertical-electric-field-type liquid crystal display panel.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zuquan Hu, Peng Jiang, Ke Dai, Yue Du, Rongcheng Liu
  • Patent number: 11569271
    Abstract: A display panel and a method for manufacturing the same, and a display device is provided. The display panel includes a display area including a plurality of gate lines arranged spaced apart in a first direction and a non-display area including a first and a second non-display area. At least one of the first or the second non-display area includes: a gate driving area including a plurality of gate driving units arranged spaced apart in the first direction and connected to the gate lines, a length of at least one gate driving unit being smaller than a length of a pixel in the first direction; a dummy gate driving area including a plurality of dummy gate driving units arranged spaced apart in the first direction; and a first trace area including a plurality of first traces connected to the dummy gate driving units and an external circuit.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: January 31, 2023
    Assignees: HEFEI BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuntian Zhang, Zhou Rui, Peng Jiang, Haipeng Yang, Ke Dai, Chunxu Zhang, Zhonghou Wu, Li Tian
  • Patent number: 11569311
    Abstract: An array substrate, a manufacturing method thereof and a display panel are provided. The array substrate includes sub-pixel units, and each sub-pixel unit includes a light emitting region and a non-light emitting region; each sub-pixel unit includes a light emitting element, the light emitting element includes a light emitting layer and a first electrode, and at least a part of the first electrode is in the light emitting region. A plurality of first wires are configured to supply a power signal to the light emitting element and include a first sub-wire; the first sub-wire includes a plurality of portions, adjacent two of the plurality of portions are spaced apart from each other by an opening in the light emitting region; at least a part of an orthographic projection of the opening on the array substrate does not overlap with an orthographic projection of the first electrode on the array substrate.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: January 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Tingliang Liu, Zhen Zhang, Ke Dai