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: 12292632
    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: Grant
    Filed: May 14, 2024
    Date of Patent: May 6, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinwei Gao, Kaihong Ma, Dacheng Zhang, Lang Liu, Chen Xu
  • Publication number: 20250133940
    Abstract: The display substrate includes: a substrate, a plurality of pixel units at a side of the substrate, a color filter layer at a light emergent side of the pixel units, a light processing structure, and a cover plate at a side of the color filter layer facing away from the substrate. Each of the pixel units includes a plurality of sub-pixel units. The color filter layer includes a plurality of color filter units arranged in one-to-one correspondence to the sub-pixel units. The color filter units are closely arranged. An orthographic projection of the light processing structure on the substrate covers a junction of the color filter units of different colors. The light processing structure is configured to prevent light rays emitted from the sub-pixel units and having an angle greater than a critical angle of total reflection of the cover plate from being emitted from the cover plate.
    Type: Application
    Filed: May 30, 2022
    Publication date: April 24, 2025
    Inventors: Yingtao WANG, Qian WU, Dacheng ZHANG, Qian JIA
  • Publication number: 20250127020
    Abstract: A display module, including: a display panel; a color film layer, provided on a light-emitting side of the display panel, where the color film layer includes a plurality of light-filtering portions; and a micro-lens layer, provided on a side of the color film layer away from the display panel; where, the micro-lens layer includes a plurality of first converging lenses and a plurality of second converging lenses, a gap is provided between two adjacent first converging lenses, and an orthographic projection of a first converging lens on the display panel is located within an orthographic projection of a light-filtering portion on the display panel; a second converging lens is provided in the gap between two adjacent first converging lenses, and the second converging lens is connected to the first converging lens.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 17, 2025
    Inventors: Zhijian ZHU, Pengcheng LU, Shengji YANG, Kuanta HUANG, Xiaochuan CHEN, Qian WU, Longfei FAN, Dacheng ZHANG
  • Patent number: 12274137
    Abstract: A display substrate and a display device, include: a base substrate, which includes a display area, and a bonding area (BA) disposed on one side of the display area; a plurality of gate lines, a plurality of data lines, a plurality of lead lines, the plurality of lead lines each is respectively electrically connected with a respective one of the plurality of data lines, each of the plurality of lead lines includes a first portion extending in the second direction, and orthographic projections of at least part of the first portions on the base substrate do not overlap with orthographic projections of the data lines on the base substrate.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 8, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Pan Xu, Dacheng Zhang, Xing Zhang
  • Patent number: 12268079
    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: Grant
    Filed: February 3, 2021
    Date of Patent: April 1, 2025
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Li Liu, Junbo Wei, Pengcheng Lu, Shengji Yang, Kuanta Huang, Rongrong Shi, Yuanlan Tian, Dacheng Zhang
  • Patent number: 12266409
    Abstract: The disclosure provides a shift register unit, including: a sensing control circuit configured to write an active level signal to a sensing control node; a first sensing input circuit connected to a first pull-up back node and configured to write an active level signal to the first pull-up back node; a first display input circuit connected to a first pull-up node and configured to write an active level signal to the first pull-up node; a first switch circuit connected in series between the first pull-up node and the first pull-up back node and configured to control connection and disconnection between the first pull-up node and the first pull-up back node in response to control of a signal from a switch signal input terminal; and a first driving output circuit connected to the first pull-up back node and configured to write a signal to a first driving signal output terminal.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: April 1, 2025
    Assignees: Hefei BOE Joint Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xuehuan Feng, Dacheng Zhang
  • Publication number: 20250104626
    Abstract: A display substrate and a display device. The display substrate includes a driving circuit layer, a first scanning line and a second scanning line. The driving circuit layer includes pixel units arranged in an array form, each pixel unit includes a plurality of sub-pixels, at least one sub-pixel includes a pixel driving circuit, the pixel driving circuit includes a first transistor and a second transistor, an active pattern of the first transistor includes a first channel region, an active pattern of the second transistor includes a second channel region, the first channel region is located on a side of the first scanning line away from the second scanning line, and the second channel region is located on a side of the second scanning line away from the first scanning line.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 27, 2025
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Yongqian LI, Zhidong YUAN, Cheng XU, Dacheng ZHANG, Dandan ZHOU, Liu WU, Luke DING, Xiuting LIU
  • Publication number: 20250098447
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate, data lines and sub-pixels on the base substrate. The sub-pixels include a sub-pixel driving circuit and a light-emitting element including a first electrode. The sub-pixel driving circuit includes a driving transistor and a data writing transistor having a first electrode coupled to the data line through a second connection structure. A second electrode of the driving transistor is coupled to the first electrode through a first connection structure. The first and second connection structures are in a non-aperture region of the sub-pixel. Orthographic projections of the first and second connection structures onto the base substrate are arranged along a first direction. An orthographic projection of the second connection structure onto the base substrate and an aperture region of the sub-pixel are along a second direction which intersects the first direction.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 20, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Zhidong Yuan, Liu Wu, Luke Ding, Yongqian Li, Cheng Xu, Dandan Zhou, Dacheng Zhang
  • Publication number: 20250098446
    Abstract: A display substrate and driving method thereof, a display device are provided. The display substrate includes: a base substrate, and a plurality of repeating units and a plurality of data lines on the base substrate, the plurality of repeating units are divided into plurality of repeating unit columns; each repeating unit includes a plurality of subpixels, the subpixel includes a subpixel driving circuit, the subpixel driving circuit includes a data writing transistor, a writing control transistor and a driving transistor; the first electrode of the data writing transistor is coupled to the corresponding data line, the second electrode of the data writing transistor is coupled to the first electrode of the writing control transistor, and the second electrode of the writing control transistor is coupled to the gate of the driving transistor.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 20, 2025
    Applicants: Hefei BOE Joint Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Yuan, Liu Wu, Zhidong Yuan, Luke Ding, Yongqian Li, Cheng Xu, Dandan Zhou, Dacheng Zhang
  • Publication number: 20250095571
    Abstract: A display substrate and a display device are disclosed, the display substrate has a plurality of display partitions arranged in a plurality of rows and columns, and at least one display partition includes a plurality of sub-pixels; the display substrate includes a base substrate and common scanning signal lines, the common scanning signal lines are provided on the base substrate, and include a plurality of first common scanning signal lines extending along a first direction and a plurality of second common scanning signal lines extending along a second direction, and the first direction is different from the second direction; each of the plurality of second common scanning signal lines is electrically connected to one first common scanning signal line, and is configured to provide a common scanning signal to one display partition.
    Type: Application
    Filed: January 12, 2023
    Publication date: March 20, 2025
    Inventors: Zhidong YUAN, Can YUAN, Dacheng ZHANG, Yongqian LI
  • Publication number: 20250098416
    Abstract: A display substrate and a display apparatus are provided. In the display substrate, the light emitting device includes a common electrode connected to a common voltage terminal. The display unit includes an auxiliary electrode line, a first auxiliary electrode and an auxiliary insulation layer. The auxiliary electrode line includes a longitudinal portion located in the display region and a transverse portion at least partially located in the non-light-emitting region, and the transverse portion is connected with the longitudinal portion; the first auxiliary electrode is located in the non-luminous region and electrically connected with the common electrode; the auxiliary insulation layer includes a first auxiliary via hole located in the non-light emitting region and exposing at least part of the lateral portion, and the first auxiliary electrode is connected with the lateral portion through the first auxiliary via hole.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Yu WANG, Dacheng ZHANG, Xinxin WANG, Bin ZHOU, Ning LIU
  • Publication number: 20250098448
    Abstract: A display substrate, a method for operating the same, and a display device are provided. The display substrate includes a base substrate and a display unit. In the sub-pixel of the display substrate, the light emitting device includes a first electrode including a first portion and a second portion spaced apart from each other; the display unit further includes a connection structure and a first transfer electrode, the connection structure is electrically connected with the first portion of the first electrode and the second portion of the first electrode, and includes a connection portion located in the non-light-emitting region; the first transfer electrode is electrically connected with the first pole of the driving transistor and includes a portion located in the non-light-emitting region, and the connection portion is electrically connected with the portion of the first transfer electrode located in the non-light-emitting region.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Dacheng ZHANG
  • Publication number: 20250098449
    Abstract: A display substrate and a display apparatus are provided. In the display substrate, the pixel definition layer defines opening regions of a plurality of sub-pixels; two adjacent sub-pixels are respectively an upper sub-pixel and a lower sub-pixel; the first electrode of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the opening region of the upper sub-pixel has a first edge close to the lower sub-pixel and a second edge intersecting with the first edge; the distance between the first edge of the first electrode of the upper sub-pixel and the first edge of the opening region of the upper sub-pixel is greater than the distance between the second edge of the first electrode of the upper sub-pixel and the second edge of the opening region of the upper sub-pixel.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 20, 2025
    Inventors: Can YUAN, Yongqian LI, Dacheng ZHANG, Bin ZHOU, Yu WANG, Xinxin WANG, Ning LIU
  • Publication number: 20250098415
    Abstract: A thin thin-film transistor includes an active layer and an electrode layer; the active layer includes a channel region, and first and second regions located at two sides of the channel region in a first direction; the electrode layer includes a gate electrode, a first electrode, and a second electrode; the first region includes a first lap region and a first transmission region, an orthographic projection of the first electrode on the active layer overlaps with the first lap region, the first transmission region includes at least one arc-shaped conductive structure each including a hollow part and a thinning portion at least partially surrounding the hollow part, a thickness of the thinning portion is smaller than a thickness of the active layer in the channel region, and the thinning portion is located at a side of the hollow part close to the edge.
    Type: Application
    Filed: September 23, 2022
    Publication date: March 20, 2025
    Inventors: Dacheng ZHANG, Jingbo XU, Ming WANG
  • Publication number: 20250089487
    Abstract: A display substrate, manufacturing method thereof, and display device. In the display substrate, a gate insulating pattern is located at a side of an active layer, a metal conductive layer is at least partially located at a side of the gate insulating pattern. The gate insulating pattern includes a first opening, the active layer includes a second opening, an orthographic projection of the second opening on the base substrate is located within an orthographic projection of the first opening on the base substrate, the metal conductive layer includes a main body part and an extension part, the extension part is electrically connected with the active layer exposed by the first opening, and the conductive structure is overlapped with the extension part, and includes a connection part extending to the second opening and electrically connecting the active layer on two sides of the second opening.
    Type: Application
    Filed: July 6, 2022
    Publication date: March 13, 2025
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Min Wang, Dacheng Zhang
  • Publication number: 20250089365
    Abstract: A display substrate including a base substrate and a driving module arranged on the base substrate, the driving module includes at least one driving unit, and the driving unit includes N stages of driving circuits; N is a positive integer, n is a positive integer less than or equal to N; the nth stage of driving circuit includes a (2n?1)th stage of output circuit, a 2nth stage of output circuit and a first node control circuit; the first node is electrically connected to the (2n?1)th stage of output circuit and the 2nth stage of output circuit respectively through a first connection line; the driving module also includes a scanning line; there are at least two mutually independent overlapping portions between the orthographic projection of the first connection line on the base substrate and the orthographic projection of the scanning line on the base substrate.
    Type: Application
    Filed: July 28, 2022
    Publication date: March 13, 2025
    Applicants: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can YUAN, Luke DING, Zhidong YUAN, Liu WU, Yongqian LI, Dacheng ZHANG, Cheng XU, Dandan ZHOU
  • Publication number: 20250089492
    Abstract: A display substrate, a method for operating the same, and a display apparatus are provided. In the display substrate, the scanning signal line extends along the first direction, passes through the non-light-emitting region and the display region; the longitudinal signal line is in the display region and extends along a second direction; the scanning signal line includes an outer ring portion, and the outer ring portion includes a first conductive line and a second conductive line. The second conductive line is spaced from the first conductive line in the second direction, both the first conductive line and the second conductive line extend along the first direction, extend from the non-light-emitting region to the display region, and overlap with the longitudinal signal line; the scanning signal line includes a trunk portion extending along the first direction, and electrically connected with both the first conductive line and the second conductive line.
    Type: Application
    Filed: April 29, 2022
    Publication date: March 13, 2025
    Inventors: Can YUAN, Yongqian LI, Xinxin WANG, Ning LIU, Bin ZHOU, Dacheng ZHANG, Yu WANG
  • Patent number: 12245455
    Abstract: A display substrate includes a substrate and a light-emitting device layer which includes a first electrode layer, a light-emitting functional layer, and a second electrode layer that are sequentially stacked in a direction away from the substrate. The first electrode layer includes a reflective layer, an insulating layer, and a transparent conductive layer that are sequentially stacked in the direction away from the substrate. In a red sub-pixel region, a thickness of a first portion of the insulating layer is within a range of about 1000 ? to about 2500 ?. In a green sub-pixel region, a thickness of a second portion of the insulating layer is within a range of about 500 ? to about 2000 ?. In a blue sub-pixel region, a thickness of a third portion of the insulating layer is within a range of about 1500 ? to about 3000 ?.
    Type: Grant
    Filed: January 8, 2021
    Date of Patent: March 4, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Li Liu, Pengcheng Lu, Kui Zhang, Yunlong Li, Shengji Yang, Kuanta Huang, Xiaochuan Chen, Dacheng Zhang
  • Patent number: 12238969
    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: Grant
    Filed: February 26, 2021
    Date of Patent: February 25, 2025
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Tongshang Su, Bin Zhou, Jun Cheng, Qinghe Wang, Yongchao Huang, Dacheng Zhang, Liangchen Yan
  • Patent number: 12238983
    Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, a light-emitting functional layer and a first dummy electrode pattern. The first electrode pattern is includes a plurality of first electrodes spaced apart from each other. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern are spaced apart from each other. The first dummy electrode pattern includes a plurality of first dummy electrodes; the connecting electrode pattern surrounds the first electrode pattern, the first dummy electrode pattern is located between the connecting electrode pattern and the first electrode pattern, and at least two of the plurality of first dummy electrodes are each of a block shape and are spaced apart from each other.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: February 25, 2025
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunlong Li, Pengcheng Lu, Li Liu, Yu Ao, Yuanlan Tian, Zhijian Zhu, Dacheng Zhang