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: 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
  • Publication number: 20230180547
    Abstract: A display panel and a display device are provided, since a plurality of source ICs (01) are arranged, a large-sized display panel is driven, and since the plurality of source ICs (01) are scattered around a display area (A) along the tangential directions of the edge of the display area (A), that is, the source ICs (01) are distributed according to the shape of the display panel, a distance between the source ICs (01) and the display area (A) is shortened, and thus a narrow bezel design of the display panel is facilitated.
    Type: Application
    Filed: December 29, 2020
    Publication date: June 8, 2023
    Inventors: Pan XU, Li SUN, Dacheng ZHANG, Lang LIU, Chen XU, Yongqian LI
  • Publication number: 20230169908
    Abstract: A special-shaped display panel includes: a special-shaped display area (S) having gate lines (G), some of the gate lines (G) being cut off in a non-display sub-area (S2) of the special-shaped display area (S); a first gate drive circuit set (A1) located on one side of the special-shaped display area (S), electrically connected to one ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected to gate lines (G) on one side which are cut off by the non-display sub-area (S2); and a second gate drive circuit set (A2) located on the other side of the special-shaped display area (S), electrically connected to the other ends of gate lines (G) which are not cut off by the non-display sub-area (S2), and electrically connected gate lines (G) on the other side which are cut off by the non-display sub-area (S2).
    Type: Application
    Filed: May 12, 2021
    Publication date: June 1, 2023
    Inventors: Pan XU, Yicheng LIN, Guoying WANG, Xing ZHANG, Ying HAN, Zhan GAO, Dacheng ZHANG
  • Publication number: 20230157110
    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: Application
    Filed: November 29, 2019
    Publication date: May 18, 2023
    Inventors: Zhongyuan WU, Yongqian LI, Can YUAN, Zhidong YUAN, Meng LI, Dacheng ZHANG, Lang LIU
  • Publication number: 20230157056
    Abstract: A display panel and a manufacture method thereof, and a display apparatus are provided. The display panel has a display region and a border region that surrounds the display region and includes a peripheral circuit region and a peripheral region; the peripheral circuit region is between the display region and the peripheral region. At least a part of a barrier structure of the display panel is in the peripheral circuit region, and the barrier structure includes an organic barrier layer including an opening passing through the organic barrier layer and an inorganic barrier layer covering the organic barrier layer and filling the opening; an extension direction of the opening is same as that of an edge, close to the opening, of the display panel; the peripheral circuit is in the peripheral circuit region.
    Type: Application
    Filed: January 18, 2023
    Publication date: May 18, 2023
    Inventors: Xinwei GAO, Kaihong MA, Dacheng ZHANG, Lang LIU, Chen XU
  • Publication number: 20230142473
    Abstract: A display panel includes a plurality of first pixel units, each of the first pixel units including a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel of different colors, and the four sub-pixels including a white sub-pixel. In each of the first pixel units, the four sub-pixels are arranged in two rows and two columns, the first sub-pixel and the fourth sub-pixel are diagonally located and centrally symmetric, the second sub-pixel and the third sub-pixel are diagonally located and centrally symmetric, the first pixel unit composed of the four sub-pixels is formed in a hexagon as a whole, and the first pixel unit has at least two obtuse angles or two arc edges protruding toward a direction away from a center of the first pixel unit.
    Type: Application
    Filed: November 11, 2021
    Publication date: May 11, 2023
    Applicants: Yunnan Invensight Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhijian ZHU, Pengcheng LU, Chenyu CHEN, Yunlong LI, Dongsheng LI, Wei LIU, Longfei FAN, Qian WU, Rongfei CHEN, Yuanlan TIAN, Dacheng ZHANG
  • Publication number: 20230146536
    Abstract: A display device and method for manufacturing the same. The display device includes an anode layer, hole injection layer, hole transport layer, light-emitting material layer, electron transport layer, electron injection layer and cathode layer arranged in sequence. The electron injection layer includes at least one electron injection layer. At least one high impedance layer is further arranged between at least one of the electron injection layers and the cathode layer. The resistivity of the electron injection layer and resistivity of the cathode layer are both smaller than the resistivity of the high impedance layer. The display device and the method for manufacturing the same can solve the problem of short circuit between cathode and anode of the display device caused by particles, significantly reduce the number of dark spots on the panel of the display device, and improve the panel yield of the display device.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 11, 2023
    Inventors: Yue HU, Koji HANAWA, Dacheng ZHANG, Meixiu ZHANG
  • Patent number: 11647661
    Abstract: A display substrate and a manufacturing method thereof, and a display device. The display substrate includes: a base substrate including a display region and a peripheral region surrounding the display region; a first light emitting element in the display region of the base substrate; and a color film structure on a display side of the first light emitting element. The color film structure includes: a first color film, including only a first pixel color film located in the display region; and a second color film, including a second pixel color film located in the display region and at least partially non-overlapping with the first pixel color film, and a first frame color film located in the peripheral region and surrounding the display region.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: May 9, 2023
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Yunlong Li, Pengcheng Lu, Kui Zhang, Li Liu, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Dacheng Zhang
  • Publication number: 20230115948
    Abstract: The present disclosure provides an array substrate, a display panel, a display device and a manufacturing method, for solving the problems in the prior art that the array substrate is larger in number of circuits, the area needed for punching is larger, and the high pixel resolution cannot be achieved easily.
    Type: Application
    Filed: February 2, 2021
    Publication date: April 13, 2023
    Inventors: Pan XU, Yongqian LI, Yicheng LIN, Ling WANG, Guoying WANG, Xing ZHANG, Ying HAN, Dacheng ZHANG, Lang LIU, Chen XU
  • Publication number: 20230103377
    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: Application
    Filed: December 20, 2019
    Publication date: April 6, 2023
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xuehuan FENG, Yongqian LI, Dacheng ZHANG, Lang LIU
  • Publication number: 20230087701
    Abstract: Provided is a display panel, including: a substrate provided with a display region and a non-display region disposed at a periphery of the display region; a plurality of first power signal lines and a plurality of drive signal lines that are disposed in the display region; and a power connection bus, a plurality of first fan-out leads, and a plurality of second fan-out leads that are disposed in the non-display region, wherein the power connection bus is electrically connected to the first power signal line and the first fan-out lead respectively; the plurality of second fan-out leads are electrically connected to the plurality of drive signal lines in a one-to-one correspondence; each first fan-out lead is disposed between every two adjacent second fan-out leads; and the plurality of first fan-out leads and the plurality of second fan-out leads are both configured to be electrically connected to a driving chip.
    Type: Application
    Filed: February 20, 2021
    Publication date: March 23, 2023
    Inventors: Guoying WANG, Pan XU, Yicheng LIN, Ying HAN, Xing ZHANG, Zhen SONG, Dacheng ZHANG
  • Patent number: 11600234
    Abstract: A display substrate and a driving method thereof are provided. The display substrate includes a base substrate containing a monocrystalline silicon layer, a thickness of the monocrystalline silicon layer being less than that of the base substrate; an array circuit layer, disposed on the base substrate and including a plurality of transistors, each of which has an active layer inside the monocrystalline silicon layer; and a plurality of light-emitting elements, located at a side of the array circuit layer away from the base substrate. The array circuit layer includes a scan driving circuit, a data driving circuit and a plurality of pixel sub-circuits, and the plurality of pixel sub-circuits are connected to the plurality of light-emitting elements, respectively, to form a plurality of sub-pixels.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: March 7, 2023
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weilin Lai, Yucheng Chan, Jianbang Huang, Dachao Li, Shengji Yang, Pengcheng Lu, Kuanta Huang, Xiaochuan Chen, Xue Dong, Hui Wang, Yanming Wang, Chen Xu, Dacheng Zhang, Yongfa Dong, Qing Wang, Hui Tong, Yunlong Li
  • Patent number: 11581372
    Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a storage capacitor. The storage capacitor includes a second capacitor electrode, a first capacitor electrode and a third capacitor electrode which are sequentially on the base substrate. The first capacitor electrode has a first capacitor electrode side and a second capacitor electrode side opposite to each other in the second direction, and the second capacitor electrode has a third capacitor electrode side and a fourth capacitor electrode side opposite to each other in the second direction; orthographic projections of the first capacitor electrode side and the second capacitor electrode side on the base substrate are between an orthographic projection of the third capacitor electrode side and an orthographic projection of the fourth capacitor electrode side on the base substrate.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: February 14, 2023
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Dacheng Zhang, Lang Liu
  • Publication number: 20230043145
    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 has a display region, and includes a base and a plurality of data lines and a plurality of fan-out traces on the base; each of the plurality of data lines is connected to a corresponding one of the plurality of fan-out traces at a connection node in the display region; and at least one of the plurality of data lines is connected to a corresponding fan-out trace at a plurality of connection nodes.
    Type: Application
    Filed: September 15, 2021
    Publication date: February 9, 2023
    Inventors: Zhidong YUAN, Dacheng ZHANG, Can YUAN, Yongqian LI
  • Patent number: 11570877
    Abstract: A display panel and a display apparatus are disclosed. The display panel comprises: a plurality of signal lines extending in a first direction; at least one first reference voltage bus which extends in a second direction intersecting the first direction; and a plurality of electrostatic discharge units divided into a plurality of electrostatic discharge unit groups, wherein the plurality of electrostatic discharge unit groups are arranged in the second direction and each of the plurality of electrostatic discharge unit groups comprises at least two electrostatic discharge units arranged in the first direction, wherein at least one of the plurality of signal lines is electrically connected to the first reference voltage bus through at least one of the plurality of electrostatic discharge units.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: January 31, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pan Xu, Yongqian Li, Guoying Wang, Dacheng Zhang, Lang Liu
  • Publication number: 20230015542
    Abstract: Provided are an array substrate, a display panel, a display apparatus and a method for manufacturing an array substrate. The array substrate includes: a base substrate; an active layer, which is located on one side of the base substrate, where the active layer includes a channel region, a conductive source region, which is located on one side of the channel region, and a conductive drain region, which is located on the other side of the channel region; and a metal layer, which is located on the side of the active layer that is away from the base substrate, where the metal layer includes a gate electrode and a signal line, which are arranged on the same layer, and the thickness of the gate electrode perpendicular to the base substrate is less than the thickness of the signal line perpendicular to the base substrate.
    Type: Application
    Filed: August 4, 2021
    Publication date: January 19, 2023
    Inventors: Ning LIU, Dacheng ZHANG, Cheng XU, Danyang MA, Liusong NI, Jun LIU
  • Publication number: 20230006023
    Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate, and gate lines extending in a first direction, data lines extending in a second direction and pixel units that are on the base substrate, the first direction intersecting the second direction; each pixel unit including sub-pixels, each sub-pixel including a pixel circuit; the pixel circuit including at least a switching transistor, a drive transistor, a sensing transistor, and a storage capacitor; for each pixel circuit, the switching transistor, the drive transistor, and the sensing transistor therein are all on a same side of the storage capacitor; the switching transistor is at an intersection of the gate line and the data line connected thereto, and the switching transistor is adjacent to the sensing transistor in the first direction and adjacent to the drive transistor in the second direction.
    Type: Application
    Filed: March 12, 2021
    Publication date: January 5, 2023
    Inventors: Can YUAN, Meng LI, Yongqian LI, Zhidong YUAN, Dacheng ZHANG