Patents by Inventor Zhengyin Xu

Zhengyin Xu 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).

  • Publication number: 20220416189
    Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display panel. The display substrate includes a base substrate and a plurality of sub-pixels of different colors on the base substrate, wherein the plurality of sub-pixels include green sub-pixels, each of which includes an anode, a luminescent layer, and a cathode sequentially stacked in a direction away from the base substrate. The luminescent layer includes a first sub-layer, a second sub-layer and a third sub-layer sequentially stacked in the direction away from the base substrate; a molar ratio of P-type molecules to N-type molecules in a host material of the first sub-layer is greater than that of the second sub-layer, which in turn is greater than that of the third sub-layer.
    Type: Application
    Filed: May 7, 2021
    Publication date: December 29, 2022
    Inventors: Yang LIU, Zhengyin XU
  • Patent number: 11199742
    Abstract: A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: December 14, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Wei Lin Lai, Guanyin Wen, Zhengyin Xu, Chien Pang Huang
  • Publication number: 20210165273
    Abstract: A display device includes a sub-pixel unit, the sub-pixel unit includes: a reflective liquid crystal display unit with a reflective display region, including a liquid crystal layer and a reflective layer; and a electroluminescent display unit with a light-emitting display region, wherein the light-emitting display region is overlapped with the reflective display region; wherein the reflective layer and the electroluminescent display unit are located on both sides of the liquid crystal layer respectively.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 3, 2021
    Inventors: Wei Lin LAI, Guanyin WEN, Zhengyin XU, Chien Pang HUANG
  • Patent number: 10872940
    Abstract: A display substrate, a manufacturing method thereof and a display device are disclosed. The method includes: forming a pixel defining layer being doped with a heat-generating material capable of generating heat under specified conditions; sequentially forming a first carrier transport layer, a light-emitting material layer and a second carrier transport layer, wherein orthographic projections of the first and second carrier transport layers and the pixel defining layer on the base substrate have an overlapping region; controlling the heat-generating material to generate heat under specified conditions, and allowing a material of the first carrier transport layer to mix with a material of the second carrier transport layer in the overlapping region.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: December 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Zhengyin Xu
  • Publication number: 20200127067
    Abstract: A display substrate, a manufacturing method thereof and a display device are disclosed. The method includes: forming a pixel defining layer being doped with a heat-generating material capable of generating heat under specified conditions; sequentially forming a first carrier transport layer, a light-emitting material layer and a second carrier transport layer, wherein orthographic projections of the first and second carrier transport layers and the pixel defining layer on the base substrate have an overlapping region; controlling the heat-generating material to generate heat under specified conditions, and allowing a material of the first carrier transport layer to mix with a material of the second carrier transport layer in the overlapping region.
    Type: Application
    Filed: June 5, 2019
    Publication date: April 23, 2020
    Inventor: Zhengyin XU
  • Patent number: 10355022
    Abstract: A thin film transistor, a method for fabricating the same, an array substrate, and a display device are provided. The method comprises forming an active layer on a substrate, wherein source-and-drain-to-be-formed regions of the active layer are thicker than a semiconductor region between the source-and-drain-to-be-formed regions, and by a patterning process, forming a gate on the active layer, and forming a pattern of source and drain in the source-and-drain-to-be-formed regions of the active layer.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: July 16, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Min, Xiaolong Li, Zhengyin Xu, Tao Gao, Dong Li, Shuai Zhang
  • Patent number: 10355107
    Abstract: The present application discloses a method of fabricating a polycrystalline silicon thin film transistor, the method including forming an amorphous silicon layer on a base substrate having a pattern corresponding to a polycrystalline silicon active layer of the thin film transistor; the amorphous silicon layer having a first region corresponding to a source electrode and drain electrode contact region in the polycrystalline silicon active layer and a second region corresponding to a channel region in the polycrystalline silicon active layer; forming a first dopant layer on a side of the second region distal to the base substrate; forming a second dopant layer on a side of the first region distal to the base substrate; and crystallizing the amorphous silicon layer, the first dopant layer, and the second dopant layer to form the polycrystalline silicon active layer, the polycrystalline silicon active layer being doped with a dopant of the first dopant layer in the second region and doped with a dopant of the se
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: July 16, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Jian Min, Xiaolong Li, Tao Gao, Liangjian Li, Zhengyin Xu
  • Publication number: 20190206946
    Abstract: A display substrate, display device and manufacturing method of display substrate are provided. The display substrate includes: base substrate, and pixel defining pattern, heating circuit pattern, light-emitting layer and auxiliary light-emitting layer on one side of the base substrate.
    Type: Application
    Filed: July 26, 2018
    Publication date: July 4, 2019
    Inventors: Zhengyin XU, Qingyun Bai
  • Patent number: 10249735
    Abstract: The present disclosure provides a TFT, its manufacturing method, an array substrate and a display device. The method includes steps of: forming a pattern of a gate electrode on a base substrate; forming a gate insulation layer with an even surface; forming a pattern of a polysilicon semiconductor layer; and forming patterns of a source electrode and a drain electrode. The step of forming the pattern of the polysilicon semiconductor layer includes: crystallizing the amorphous silicon layer, so as to form the polysilicon semiconductor layer.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: April 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Min, Xiaolong Li, Zhengyin Xu, Ping Song, Youwei Wang
  • Patent number: 10147901
    Abstract: A packaging method, a display panel, and a display apparatus. The packaging method comprises steps of: forming a frit layer in a packaging area of a first substrate; forming at least a metal thin film and/or at least a silicon thin film on the frit layer formed on the first substrate, and forming at least a metal thin film and/or at least a silicon thin film in a packaging area of a second substrate, wherein one of the outermost thin film formed on the frit layer and the outermost thin film formed is a metal thin film, and the other is a silicon thin film; and vacuum laminating the first substrate and the second substrate, without the use of a laser to irradiate the frit layer during the packaging.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: December 4, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Hong, Dan Wang, Zhengyin Xu
  • Publication number: 20180331206
    Abstract: The present application discloses a method of fabricating a polycrystalline silicon thin film transistor, the method including forming an amorphous silicon layer on a base substrate having a pattern corresponding to a polycrystalline silicon active layer of the thin film transistor; the amorphous silicon layer having a first region corresponding to a source electrode and drain electrode contact region in the polycrystalline silicon active layer and a second region corresponding to a channel region in the polycrystalline silicon active layer; forming a first dopant layer on a side of the second region distal to the base substrate; forming a second dopant layer on a side of the first region distal to the base substrate; and crystallizing the amorphous silicon layer, the first dopant layer, and the second dopant layer to form the polycrystalline silicon active layer, the polycrystalline silicon active layer being doped with a dopant of the first dopant layer in the second region and doped with a dopant of the se
    Type: Application
    Filed: July 25, 2016
    Publication date: November 15, 2018
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Jian MIN, Xiaolong LI, Tao GAO, Liangjian LI, Zhengyin XU
  • Publication number: 20170271615
    Abstract: The present disclosure provides a screen-printing mask for manufacturing a substrate for packaging a display panel. The screen-printing mask includes a first pattern with a continuous loop shaped groove surrounding a first area; and a second pattern with grooves forming a discontinuous loop surrounding the first pattern, wherein the first pattern is configured to form a sealing loop for the display panel, and the second pattern is configured to form a supporting loop to provide support for the first pattern in a display panel packaging process.
    Type: Application
    Filed: September 15, 2015
    Publication date: September 21, 2017
    Inventor: ZHENGYIN XU
  • Publication number: 20170256631
    Abstract: The present disclosure provides a TFT, its manufacturing method, an array substrate and a display device. The method includes steps of: forming a pattern of a gate electrode on a base substrate; forming a gate insulation layer with an even surface; forming a pattern of a polysilicon semiconductor layer; and forming patterns of a source electrode and a drain electrode. The step of forming the pattern of the polysilicon semiconductor layer includes: crystallizing the amorphous silicon layer, so as to form the polysilicon semiconductor layer.
    Type: Application
    Filed: August 15, 2016
    Publication date: September 7, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian MIN, Xiaolong LI, Zhengyin XU, Ping SONG, Youwei WANG
  • Publication number: 20170200745
    Abstract: A thin film transistor, a method for fabricating the same, an array substrate, and a display device are provided. The method comprises forming an active layer on a substrate, wherein source-and-drain-to-be-formed regions of the active layer are thicker than a semiconductor region between the source-and-drain-to-be-formed regions, and by a patterning process, forming a gate on the active layer, and forming a pattern of source and drain in the source-and-drain-to-be-formed regions of the active layer.
    Type: Application
    Filed: December 28, 2016
    Publication date: July 13, 2017
    Inventors: Jian MIN, Xiaolong LI, Zhengyin XU, Tao GAO, Dong LI, Shuai ZHANG
  • Publication number: 20170186994
    Abstract: The present disclosure provides a method for packaging an organic light-emitting diode (OLED) display panel. The method includes providing a first substrate and a second substrate; forming a first bonding layer in a packaging region of the first substrate; and forming a second bonding layer in a packaging region of the second substrate. The method also includes bonding the first substrate with the second substrate by molecular bonding between the first bonding layer and the second bonding layer.
    Type: Application
    Filed: December 10, 2015
    Publication date: June 29, 2017
    Inventor: ZHENGYIN XU
  • Publication number: 20160372696
    Abstract: A packaging method, a display panel and a display apparatus. The packaging method comprises steps of: forming a frit layer in a packaging area of a first substrate; forming at least a metal thin film and/or at least a silicon thin film on the frit layer formed on the first substrate, and forming at least a metal thin film and/or at least a silicon thin film in a packaging area of a second substrate, wherein one of the outermost thin film formed on the frit layer and the outermost thin film formed is a metal thin film, and the other is a silicon thin film; and vacuum laminating the first substrate and the second substrate, without the use of a laser to irradiate the frit layer during the packaging.
    Type: Application
    Filed: August 19, 2015
    Publication date: December 22, 2016
    Inventors: Rui Hong, Dan Wang, Zhengyin Xu