Patents by Inventor Dacheng Zhang

Dacheng Zhang 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: 11869411
    Abstract: A display substrate includes: a base substrate; a first conductive pattern arranged on the base substrate; a first insulation layer arranged at a side of the first conductive pattern away from the base substrate; a second conductive pattern arranged at a side of the first insulation layer away from the base substrate; a second insulation layer arranged at a side of the second conductive pattern away from the base substrate; and a third conductive pattern arranged at a side of the second insulation layer away from the base substrate. The third conductive pattern and the first conductive pattern together serve as a first electrode plate of the capacitor, and the second conductive pattern serves as a second electrode plate of the capacitor.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 9, 2024
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li, Dacheng Zhang, Lang Liu
  • Publication number: 20240008333
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a plurality of pixel units arranged on the base substrate, the plurality of pixel units are arranged in an array in a first direction and a second direction, each pixel unit includes a plurality of sub-pixels, each sub-pixel includes a light emitting element and a pixel driving circuit used to drive the light emitting element, and the pixel driving circuit includes a first transistor; and a plurality of gate lines arranged on the base substrate, the plurality of gate lines include a plurality of first gate lines used to provide a scanning signal to gate electrodes of the first transistors of the pixel driving circuits in a plurality of rows of sub-pixels respectively. At least one first gate line includes a first gate sub-line, a second gate sub-line and a plurality of connecting lines.
    Type: Application
    Filed: June 29, 2022
    Publication date: January 4, 2024
    Inventors: Ying Han, Pan Xu, Guoying Wang, Xing Zhang, Chengyuan Luo, Mingi Chu, Dacheng Zhang
  • Publication number: 20240005869
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sensing signal lines. The base substrate includes a display region including repeating units arranged in array, each repeating unit includes a transparent region and a pixel region arranged in a first direction. Two lines of repeating units are provided between adjacent two of the plurality of sensing signal lines, the two lines of repeating units extend along a second direction, and each of the plurality of sensing signal lines is connected with sub-pixel driving circuits of the plurality of sub-pixels of two lines of repeating units which are adjacent to the each of the plurality of sensing signal lines and extend along the second direction, and is configured to provide a reference voltage signal. The display substrate reduces the space occupied by the signal lines and improves the light transmittance.
    Type: Application
    Filed: March 25, 2021
    Publication date: January 4, 2024
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xing ZHANG, Zhan GAO, Yicheng LIN, Pan XU, Ying HAN, Dacheng ZHANG
  • Publication number: 20240008313
    Abstract: A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening.
    Type: Application
    Filed: June 28, 2022
    Publication date: January 4, 2024
    Inventors: Jingjing XU, Pan LI, Dacheng ZHANG
  • Publication number: 20230413638
    Abstract: The embodiments of the present disclosure provides a display panel and a display apparatus, a first color filter and a second color filter that are adjacent and have different light transmission colors, light transmittance of the second color filter is smaller than light transmittance of the first color filter; the first peripheral portion of the first color filter surrounds the first light-transmitting portion and includes a first portion close to the second color filter; the second peripheral portion of the second color filter surrounds the second light-transmitting portion and includes a first portion close to the first color filter; the first portion of the second peripheral portion includes a first sub-layer and a second sub-layer that overlap in the longitudinal direction and spaced apart from each other, and the first portion of the first peripheral portion is between the first sub-layer and the second sub-layer in the longitudinal direction.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 21, 2023
    Inventors: Zongshun YANG, Dacheng ZHANG, Kuanta HUANG, Xiaochuan CHEN
  • Patent number: 11849617
    Abstract: Embodiments of the present disclosure provide a display panel and a display device. The display panel includes a base substrate, a plurality of pixel units and a plurality of gate line groups. At least one pixel unit includes a plurality of sub-pixels. At least one sub-pixel includes a sensing transistor and a driving transistor. Each gate line group includes a first gate line and a second gate line; for the first gate line and the second gate line corresponding to the sub-pixels in the same row, the positions of the sensing transistors are closer to the second gate lines, and the positions of the driving transistors are closer to the first gate line, For two sub-pixels close to each other and located in different pixel units in the same row, at least one signal line has a double-layer alignment structure, and the double-layer alignments are electrically connected with each other.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: December 19, 2023
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Meng Li, Dacheng Zhang, Lang Liu
  • Patent number: 11817034
    Abstract: A display substrate includes: a base substrate; a first conductive pattern arranged on the base substrate; a first insulation layer arranged at a side of the first conductive pattern away from the base substrate; a second conductive pattern arranged at a side of the first insulation layer away from the base substrate; a second insulation layer arranged at a side of the second conductive pattern away from the base substrate; and a third conductive pattern arranged at a side of the second insulation layer away from the base substrate. The third conductive pattern and the first conductive pattern together serve as a first electrode plate of the capacitor, and the second conductive pattern serves as a second electrode plate of the capacitor.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: November 14, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li, Dacheng Zhang, Lang Liu
  • Publication number: 20230363223
    Abstract: A display substrate and a display apparatus are provided. The display substrate includes a first conductive structure including a first surface and a third surface that are opposite and a second surface and a fourth surface that are opposite. The first surface and the second surface respectively have different angles with a plate surface of the base substrate. The first surface and the second surface are respectively provided with a first surface microstructure and a second surface microstructure; the first cross section has a first orthogonal projection on the third surface, and a length of the first orthogonal projection is less than a length of the first surface microstructure in the first cross section; the second cross section has a second orthogonal projection on the fourth surface, and a length of the second orthogonal projection is less than a length of the second surface microstructure in the second cross section.
    Type: Application
    Filed: June 8, 2021
    Publication date: November 9, 2023
    Inventors: Dacheng ZHANG, Chen XU
  • Publication number: 20230363241
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display device. The present disclosure includes a driving circuit layer disposed on a substrate and a light emitting structure layer disposed at one side of the driving circuit layer away from the substrate, wherein the light emitting structure layer includes an anode, an organic light emitting layer, an organic light emitting block, a cathode and an auxiliary electrode, the organic light emitting layer is connected to the anode and the cathode respectively, the auxiliary electrode includes a bottom surface at one side close to the substrate, a top surface at a side away from the substrate and a side surface arranged between the bottom surface and the top surface.
    Type: Application
    Filed: April 21, 2021
    Publication date: November 9, 2023
    Inventors: Tongshang SU, Bin ZHOU, Jun CHENG, Qinghe WANG, Ning LIU, Jun WANG, Dacheng ZHANG, Liangchen YAN
  • Publication number: 20230345803
    Abstract: A display substrate includes: a wafer base (1) provided with a transistor; a metal reflective structure (2) on the wafer base, the metal reflective structure being electrically connected to the transistor, and being provided with a protrusion (21) protruding away from the wafer base; a first insulation layer (3) on a side of the metal reflective structure away from the wafer base, a surface of a portion of the first insulation layer corresponding to the metal reflective structure and facing away from the metal reflective structure being flush with a top face of the protrusion; and a transparent anode (4) on a side of the first insulation layer facing away from the metal reflective structure, the transparent anode being in contact connection with the top face of the protrusion.
    Type: Application
    Filed: February 3, 2021
    Publication date: October 26, 2023
    Inventors: Li LIU, Junbo WEI, Pengcheng LU, Shengji YANG, Kuanta HUANG, Rongrong SHI, Yuanlan TIAN, Dacheng ZHANG
  • Publication number: 20230345787
    Abstract: A pixel structure, a driving method thereof, a display panel, and a display apparatus are provided. The pixel structure includes: a plurality of pixel rows and a plurality of pixel columns. Each pixel row includes: sub-pixels of four different colors. The plurality of pixel columns include: a plurality of first pixel columns and a plurality of second pixel columns arranged alternately. Each of the first pixel columns includes: sub-pixels of three of the four different colors. Each of the second pixel columns includes: sub-pixels of another color other than the three of the four different colors.
    Type: Application
    Filed: April 27, 2021
    Publication date: October 26, 2023
    Inventors: Zhijian ZHU, Pengcheng LU, Chenyu CHEN, Shengji YANG, Xiaochuan CHEN, Yan SUN, Tiankuo SHI, Xiaomang ZHANG, Yuanlan TIAN, Dacheng ZHANG
  • Publication number: 20230337473
    Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Inventors: Kuanta HUANG, Yuhao LEE, Dacheng ZHANG, Hui TONG, Xiaobin SHEN, Shipeng LI, Chao YANG, Dongsheng LI
  • Publication number: 20230337496
    Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. The display substrate includes a base substrate, organic light-emitting elements, a data line, and an electrode line. The organic light-emitting element includes a first electrode, a light-emitting layer and a second electrode sequentially stacked; the data line is located between the base substrate and the organic light-emitting element; the electrode line is on the same layer as the data line and located in a region outside a light-emitting region of the organic light-emitting element. The display substrate further includes at least one connection portion, which is in the region outside the light-emitting region and is configured to connect the electrode line and the first electrode, the connection portion is spaced apart from the second electrode, and the light-emitting layer covers the second electrode and the at least one connection portion.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 19, 2023
    Inventors: Ning LIU, Dacheng ZHANG, Tong WU, Jun LIU, Qinghe WANG, Yang ZHANG, Bin ZHOU, Liangchen YAN, Huadong WANG, Chongchong LIU, Jie ZHANG
  • Publication number: 20230337474
    Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 19, 2023
    Inventors: Kuanta HUANG, Yuhao LEE, Dacheng ZHANG, Hui TONG, Xiaobin SHEN, Shipeng LI, Chao YANG, Dongsheng LI
  • Publication number: 20230329044
    Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Inventors: Kuanta HUANG, Yuhao LEE, Dacheng ZHANG, Hui TONG, Xiaobin SHEN, Shipeng LI, Chao YANG, Dongsheng LI
  • Publication number: 20230301152
    Abstract: The present disclosure provides an array substrate including a driving circuit board, and a first electrode layer, an insulating layer, and an anode structure sequentially stacked thereon. The anode structure includes a reflective layer, an intermediate dielectric layer, and a transparent conductive layer sequentially provided in a direction away from the driving circuit board. The array substrate has first, second, and third pixel regions. The anode structure includes first, second, and third anode structures. The first electrode layer includes first, second and third sub-portions. The first, second and third anode structures are coupled with the first, second and third sub-portions through first, second and third via holes in the insulating layer, respectively. A surface of the insulating layer in contact with the first, second and third anode structures is flush; and a thickness of the intermediate dielectric layer in the second, first and third anode structures increases sequentially.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 21, 2023
    Inventors: Li LIU, Pengcheng LU, Rongrong SHI, Yuanlan TIAN, Junbo WEI, Dacheng ZHANG
  • Patent number: 11763721
    Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: September 19, 2023
    Assignees: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Qian Wu, Pengcheng Lu, Zhijian Zhu, Chenyu Chen, Yunlong Li, Dongsheng Li, Wei Liu, Longfei Fan, Rongfei Chen, Dacheng Zhang, Yuanlan Tian
  • Patent number: 11758786
    Abstract: The present disclosure provides an array substrate including a driving circuit board, and a first electrode layer, an insulating layer, and an anode structure sequentially stacked thereon. The anode structure includes a reflective layer, an intermediate dielectric layer, and a transparent conductive layer sequentially provided in a direction away from the driving circuit board. The array substrate has first, second, and third pixel regions. The anode structure includes first, second, and third anode structures. The first electrode layer includes first, second and third sub-portions. The first, second and third anode structures are coupled with the first, second and third sub-portions through first, second and third via holes in the insulating layer, respectively. A surface of the insulating layer in contact with the first, second and third anode structures is flush; and a thickness of the intermediate dielectric layer in the second, first and third anode structures increases sequentially.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: September 12, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Liu, Pengcheng Lu, Rongrong Shi, Yuanlan Tian, Junbo Wei, Dacheng Zhang
  • Patent number: 11749691
    Abstract: An electronic device substrate, a manufacturing method thereof, and an electronic device are provided. The electronic device substrate includes a base substrate, a first insulating layer, and light-emitting sub-units, a first conductive member and a second conductive member, which are on a side of the first insulating layer away from the base substrate. The light-emitting sub-units and the first conductive member are respectively in array region and periphery region, and the second conductive member is between the first conductive member and the array region; orthogonal projections of the first and second conductive members on the base substrate are spaced apart; each light-emitting sub-unit includes first and second driving electrodes, second driving electrodes of the light-emitting sub-units are integrated to form a first common electrode layer; the periphery region further includes a second common electrode layer electrically connected to the first conductive member and the first common electrode layer.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: September 5, 2023
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Kui Zhang, Pengcheng Lu, Li Liu, Yunlong Li, Dacheng Zhang
  • Publication number: 20230200128
    Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a drive circuit layer disposed on a base substrate and a light emitting structure layer disposed on a side of the drive circuit layer away from the base substrate. The light emitting structure layer includes an anode, an organic light emitting layer, a cathode, and an auxiliary electrode. The organic light emitting layer is respectively connected to the anode and the cathode, and the cathode is connected to the auxiliary electrode; in a plane parallel to the display substrate, an edge of the auxiliary electrode is provided with a structure depressed towards a center of the auxiliary electrode.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 22, 2023
    Inventors: Tongshang SU, Bin ZHOU, Jun CHENG, Qinghe WANG, Yongchao HUANG, Dacheng ZHANG, Liangchen YAN