Patents by Inventor Jiangbo Yao

Jiangbo Yao 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: 20220043297
    Abstract: The present invention discloses a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel comprises a first substrate and a second substrate. A first underlay substrate of the first substrate is disposed with an optical sensor. Sensing transistors of the optical sensor includes a first semiconductor. A color filter layer is disposed between the first semiconductor and the first underlay substrate. The color filter layer includes color resist blocks and a light shielding portion. an orthographic projection of the light shielding portion on the first underlay substrate covers an orthographic projection of the first semiconductor on the first underlay substrate.
    Type: Application
    Filed: September 21, 2020
    Publication date: February 10, 2022
    Applicant: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bao ZHA, Miao JIANG, Jiangbo YAO, Lixuan CHEN, Xin ZHANG
  • Publication number: 20210335873
    Abstract: A photoelectric conversion device, a manufacturing method thereof, and a display device are provided. The photoelectric conversion device includes a substrate and a thin film transistor unit layer arranged on the substrate. The photoelectric conversion device includes a photosensitive surface. The thin film transistor unit layer includes an active layer, a source-drain metal layer positioned at both ends of the active layer and electrically connected to the active layer, and a photonic crystal functional layer disposed on a side of the active layer away from the photosensitive surface.
    Type: Application
    Filed: July 3, 2020
    Publication date: October 28, 2021
    Inventors: Yu ZHANG, Miao JIANG, Jiangbo YAO, Lixuan CHEN, Xin ZHANG
  • Patent number: 11114476
    Abstract: A manufacturing method of a TFT array substrate is provided, comprising: depositing and forming a gate and a gate scanning line; depositing sequentially a gate insulating layer, an active layer and a second metal layer; depositing and forming a first photoresist layer and a second photoresist layer on the second metal layer; first photoresist layer comprising a first-stage photoresist layer, second-stage photoresist layer and third-stage photoresist layer with increasing thickness, the first-stage photoresist layer being in the middle of the first photoresist layer and a channel being formed; ashing to remove first-stage photoresist layer, forming a source and a drain by etching; and ashing to remove the second-stage photoresist layer, and then depositing a passivation layer as a whole; stripping third-stage photoresist layer and second photoresist layer, depositing and forming a pixel electrode and a common electrode.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: September 7, 2021
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chuanbao Luo, Jiangbo Yao
  • Publication number: 20210098511
    Abstract: A manufacturing method of a TFT array substrate is provided, comprising: depositing and forming a gate and a gate scanning line; depositing sequentially a gate insulating layer, an active layer and a second metal layer; depositing and forming a first photoresist layer and a second photoresist layer on the second metal layer; first photoresist layer comprising a first-stage photoresist layer, second-stage photoresist layer and third-stage photoresist layer with increasing thickness, the first-stage photoresist layer being in the middle of the first photoresist layer and a channel being formed; ashing to remove first-stage photoresist layer, forming a source and a drain by etching; and ashing to remove the second-stage photoresist layer, and then depositing a passivation layer as a whole; stripping third-stage photoresist layer and second photoresist layer, depositing and forming a pixel electrode and a common electrode.
    Type: Application
    Filed: June 11, 2018
    Publication date: April 1, 2021
    Inventors: Chuanbao LUO, Jiangbo YAO
  • Patent number: 10367117
    Abstract: The present invention provides an apparatus and a method for transferring micro light-emitting diodes. Said apparatus for transferring the micro light-emitting diodes comprises a main body, and a spraying module, a cooling module and a heating module disposed on said main body. The spraying module sprays metallic adhesive liquid onto the micro light-emitting diodes that wait to transfer, the cooling module cools the metallic adhesive liquid on the wait-to-transfer micro light-emitting diodes, thereby curing the metallic adhesive liquid to adhesively bond the main body with the wait-to-transfer micro light-emitting diodes together implementing the transfer of the micro light-emitting diodes, After transferred to reach the position, the cured metallic adhesive liquid is heated by the heating module, thereby melting the metallic adhesive liquid to separate the main body from the wait-to-transfer micro light-emitting diodes.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: July 30, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Macai Lu, Jiangbo Yao
  • Publication number: 20180342643
    Abstract: The present invention provides an apparatus and a method for transferring micro light-emitting diodes. Said apparatus for transferring the micro light-emitting diodes comprises a main body, and a spraying module, a cooling module and a heating module disposed on said main body. The spraying module sprays metallic adhesive liquid onto the micro light-emitting diodes that wait to transfer, the cooling module cools the metallic adhesive liquid on the wait-to-transfer micro light-emitting diodes, thereby curing the metallic adhesive liquid to adhesively bond the main body with the wait-to-transfer micro light-emitting diodes together implementing the transfer of the micro light-emitting diodes, After transferred to reach the position, the cured metallic adhesive liquid is heated by the heating module, thereby melting the metallic adhesive liquid to separate the main body from the wait-to-transfer micro light-emitting diodes.
    Type: Application
    Filed: June 20, 2017
    Publication date: November 29, 2018
    Inventors: Macai Lu, Jiangbo Yao
  • Patent number: 10115748
    Abstract: Provided are a thin film transistor array substrate and a manufacture method thereof, comprising: providing a substrate, and the substrate comprises a first surface and a second surface, which are oppositely located; forming a gate on the first surface; forming a first insulative layer, which covers on the gate; forming a metal oxide semiconductor layer on the first insulative layer; implementing ion implantation to two end regions of the metal oxide semiconductor layer, and the two end regions after the ion implantation respectively are a source and a drain, and a region without the ion implantation is an active layer; forming a second insulative layer, which covers the source, the drain and the active layer; opening a via exposing the source or the drain in the second insulative layer; forming a pixel electrode on the second insulative layer, and connected with the source or the drain through the via.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: October 30, 2018
    Assignee: Shenzhen China Star Optoelectronics Co., Ltd
    Inventor: Jiangbo Yao
  • Patent number: 10096664
    Abstract: A method for manufacturing a flexible organic light emitting display is disclosed. The method is: sequentially forming a first buffer layer, a switch array layer, a display unit layer, and a thin film package layer on a flexible underlay substrate. When the flexible organic light emitting display bends along the flexible underlay substrate, a first bending deformation force is generated. The first buffer layer is used to absorb the first bending deformation force, and the material of the first buffer layer is an organic insulating material.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: October 9, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS CO., LTD.
    Inventor: Jiangbo Yao
  • Patent number: 10090414
    Abstract: The present invention provides a TFT (Thin Film Transistor) substrate manufacture method, which includes forming a TFT gate electrode on a substrate, sequentially forming a first insulation layer, an active layer, a source electrode, and a drain electrode, and then forming a second insulation layer and coating a photoresist thereon, defining a pixel electrode pattern, forming a drain VIA hole on the second insulation layer, depositing a pixel electrode layer after preparing suede on the photoresist, and permeating the suede with a stripping liquid to remove the photoresist and the pixel electrode layer on the photoresist so as to form a pixel electrode connecting to the drain electrode via the drain VIA hole.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: October 2, 2018
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Macai Lu, Jiangbo Yao, Shijian Qin
  • Patent number: 10082714
    Abstract: A thin-film transistor substrate manufacturing method includes sequentially forming, on a backing, a gate electrode, a gate insulation layer, a source electrode and an active layer, a passivation layer, a drain electrode, and a pixel electrode. Orthogonal projections of the gate electrode, the gate insulation layer, the source electrode and the active layer, the passivation layer, the drain electrode, and the pixel electrode on the backing that are concentric centro-symmetric patterns. Also provided re a thin-film transistor substrate and a liquid crystal panel including the thin-film transistor substrate. The thin-film transistor substrate manufacturing method, the thin-film transistor substrate and the liquid crystal panel including the thin-film transistor substrate allow electrical property of a thin-film transistor consistent in all bending directions and make the thin-film transistor not easily subjected to stress damage during bending so as to improve the reliability of the thin-film transistor.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: September 25, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Jiangbo Yao
  • Publication number: 20180233598
    Abstract: The present invention provides a TFT (Thin Film Transistor) substrate manufacture method, which includes forming a TFT gate electrode on a substrate, sequentially forming a first insulation layer, an active layer, a source electrode, and a drain electrode, and then forming a second insulation layer and coating a photoresist thereon, defining a pixel electrode pattern, forming a drain VIA hole on the second insulation layer, depositing a pixel electrode layer after preparing suede on the photoresist, and permeating the suede with a stripping liquid to remove the photoresist and the pixel electrode layer on the photoresist so as to form a pixel electrode connecting to the drain electrode via the drain VIA hole.
    Type: Application
    Filed: February 13, 2017
    Publication date: August 16, 2018
    Inventors: Macai LU, Jiangbo YAO, Shijian QIN
  • Patent number: 9947888
    Abstract: An organic light emitting device includes: one thin film transistor (TFT) and a first auxiliary electrode on the first substrate; a second auxiliary electrode being overlapped and being electrically connected with the first auxiliary electrode; a light emitting unit above and being electrically connected with the TFT, the light emitting unit comprising a first and a second pixel electrode, an organic light-emitting layer between the first and the second pixel electrode; wherein the second pixel electrode comprising a first area and a second area connecting with the first area, the first area being above and electrically connecting with the second auxiliary electrode, wherein the organic light-emitting layer being spaced apart from the second auxiliary electrode by a portion between the organic light-emitting layer and the second auxiliary electrode; and wherein tops of the first and the second area of the second pixel electrode are on the same plane.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: April 17, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Jiangbo Yao
  • Publication number: 20180081214
    Abstract: A thin-film transistor substrate manufacturing method includes sequentially forming, on a backing, a gate electrode, a gate insulation layer, a source electrode and an active layer, a passivation layer, a drain electrode, and a pixel electrode. Orthogonal projections of the gate electrode, the gate insulation layer, the source electrode and the active layer, the passivation layer, the drain electrode, and the pixel electrode on the backing that are concentric centro-symmetric patterns. Also provided re a thin-film transistor substrate and a liquid crystal panel including the thin-film transistor substrate. The thin-film transistor substrate manufacturing method, the thin-film transistor substrate and the liquid crystal panel including the thin-film transistor substrate allow electrical property of a thin-film transistor consistent in all bending directions and make the thin-film transistor not easily subjected to stress damage during bending so as to improve the reliability of the thin-film transistor.
    Type: Application
    Filed: March 31, 2016
    Publication date: March 22, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Jiangbo YAO
  • Publication number: 20180047765
    Abstract: Provided are a thin film transistor array substrate and a manufacture method thereof, comprising: providing a substrate, and the substrate comprises a first surface and a second surface, which are oppositely located; forming a gate on the first surface; forming a first insulative layer, which covers on the gate; forming a metal oxide semiconductor layer on the first insulative layer; implementing ion implantation to two end regions of the metal oxide semiconductor layer, and the two end regions after the ion implantation respectively are a source and a drain, and a region without the ion implantation is an active layer; forming a second insulative layer, which covers the source, the drain and the active layer; opening a via exposing the source or the drain in the second insulative layer; forming a pixel electrode on the second insulative layer, and connected with the source or the drain through the via.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 15, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Jiangbo YAO
  • Patent number: 9786699
    Abstract: The present invention provides an UV cleaning device of a glass substrate, comprising a lamp box, an UV lamp positioned above inside the lamp box, a transparent shield positioned under the UV lamp, a humidifier positioned under the transparent shield and a power exhaust device under the transparent shield and opposite to the humidifier; in usage, the glass substrate is conveyed to be inside the lamp box, and UV light generated by the UV lamp irradiates on the glass substrate through the shield to clean the glass substrate and a humidity and an oxygen content inside the lamp box are adjusted with the humidifier to make a surface of the glass substrate adsorb one layer of water molecules.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: October 10, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jiangbo Yao
  • Patent number: 9779660
    Abstract: A pixel cell driving circuit driving an organic electric lighting component comprises a first, a second and a third thin film transistors and a storage capacitor. The first thin film transistor is turned on or turned off under a control of a first scanning signal. When the first thin film transistor is turned on, the storage capacitor is charged by a data signal. The second thin film transistor is turned on under an action of the storage capacitor and drives an OLED. The third thin film transistor is turned on under a control of the second scanning signal when the first thin film transistor is turned off, and the storage capacitor is charged by a charging signal. The pixel cell driving circuit may effectively avoid the flicker due to the electrical charge leakage of the storage capacitor. The disclosure further provides a pixel cell and a pixel cell driving method.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: October 3, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Jiangbo Yao
  • Publication number: 20170207286
    Abstract: A method for manufacturing a flexible organic light emitting display is disclosed. The method is: sequentially forming a first buffer layer, a switch array layer, a display unit layer, and a thin film package layer on a flexible underlay substrate. When the flexible organic light emitting display bends along the flexible underlay substrate, a first bending deformation force is generated. The first buffer layer is used to absorb the first bending deformation force, and the material of the first buffer layer is an organic insulating material.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 20, 2017
    Inventor: Jiangbo YAO
  • Patent number: 9700921
    Abstract: The present invention is related with a method of cleaning a substrate by ultraviolet rays with adjustable radiation energy, comprising steps of: providing an ultraviolet ray light (10) and a substrate (20) to be cleaned with the ultraviolet rays; locating several shading plates (30) between the ultraviolet ray light (10) and the substrate (20) to be cleaned with the ultraviolet rays; rotating the shading plates (30) to adjust an area of the substrate (20) irradiated with the ultraviolet rays emitted by the ultraviolet ray light (10) and thus to control the radiation energy on the substrate (20) in the unit time; cleaning the substrate (20) with the ultraviolet rays emitted by the ultraviolet ray light (10). With the method, the radiation energy of the ultraviolet rays for cleaning the substrate can be flexibly adjusted. The objectives of efficiently removing the organic matter stick on the surface of the substrate and preventing the static damage to the circuit pattern of the substrate can be achieved.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: July 11, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Jiangbo Yao
  • Patent number: 9680114
    Abstract: A flexible organic light emitting display and a method for manufacturing the same are disclosed. The method is: sequentially forming a first buffer layer, a switch array layer, a display unit layer, and a thin film package layer on a flexible underlay substrate. When the flexible organic light emitting display bends along the flexible underlay substrate, a first bending deformation force is generated. The first buffer layer is used to absorb the first bending deformation force, and the material of the first buffer layer is an organic insulating material.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: June 13, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jiangbo Yao
  • Publication number: 20170141346
    Abstract: An organic light emitting device includes: one thin film transistor (TFT) and a first auxiliary electrode on the first substrate; a second auxiliary electrode being overlapped and being electrically connected with the first auxiliary electrode; a light emitting unit above and being electrically connected with the TFT, the light emitting unit comprising a first and a second pixel electrode, an organic light-emitting layer between the first and the second pixel electrode; wherein the second pixel electrode comprising a first area and a second area connecting with the first area, the first area being above and electrically connecting with the second auxiliary electrode, wherein the organic light-emitting layer being spaced apart from the second auxiliary electrode by a portion between the organic light-emitting layer and the second auxiliary electrode; and wherein tops of the first and the second area of the second pixel electrode are on the same plane.
    Type: Application
    Filed: August 25, 2015
    Publication date: May 18, 2017
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventor: Jiangbo YAO