Patents by Inventor Litao Qu

Litao Qu 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: 11362278
    Abstract: An organic light-emitting display panel, a method of forming the same and a display device are provided. The method of forming an organic light-emitting display panel includes: providing a base substrate; forming an auxiliary cathode at a side of the base substrate and forming a pixel defining layer at a side of the auxiliary cathode away from the base substrate; filling a negative thermal expandable ball into the groove; forming a light-emitting layer at the side of the base substrate; performing a heating treatment and a vibrating treatment on the base substrate with the light-emitting layer; and forming a cathode layer at a side of the light-emitting layer away from the base substrate.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: June 14, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Litao Qu, Biao Tian, Jiewei Li, Langlang Ha, Shihlun Chen, Tao Jin, Jieshu Wu
  • Patent number: 11264588
    Abstract: There is provided a metal encapsulation structure and a production method thereof, an encapsulation method for a display panel, and a display device. This production method comprises steps of: providing a metal film having a first surface and a second surface opposite to the first surface; forming a silane film on the first surface of the metal film, wherein a surface of the silane film away from the metal film has an active group; and attaching the first surface formed with the silane film to an adhesive layer, so as to react and bond the active group and the adhesive layer.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: March 1, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jiewei Li, Chuan Yin, Xianjiang Xiong, Zhongsheng Qi, Litao Qu
  • Patent number: 11177459
    Abstract: Disclosed are a light-emitting element encapsulation structure, a method for fabricating the same, and a display panel, and the light-emitting element encapsulation structure includes: a first substrate; a second substrate arranged opposite to the first substrate; a light-emitting element located on the side of the second substrate facing the first substrate; an encapsulation layer made of a water-absorbent material, and filled in edge areas of the first substrate and the second substrate, wherein a hermetic space is defined by the encapsulation layer, the first substrate, and the second substrate, and the light-emitting element is located in the hermetic space; and a filler; the hermetic space is full of the filler except for an area occupied by the light-emitting element.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: November 16, 2021
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd, BOE Technology Group Co., Ltd.
    Inventors: Shihlun Chen, Litao Qu
  • Publication number: 20210328176
    Abstract: There is provided a metal encapsulation structure and a production method thereof, an encapsulation method for a display panel, and a display device. This production method comprises steps of: providing a metal film having a first surface and a second surface opposite to the first surface; forming a silane film on the first surface of the metal film, wherein a surface of the silane film away from the metal film has an active group; and attaching the first surface formed with the silane film to an adhesive layer, so as to react and bond the active group and the adhesive layer.
    Type: Application
    Filed: August 3, 2018
    Publication date: October 21, 2021
    Inventors: Jiewei Li, Chuan Yin, Xianjiang Xiong, Zhongsheng Qi, Litao Qu
  • Publication number: 20210083190
    Abstract: An organic light-emitting display panel, a method of forming the same and a display device are provided. The method of forming an organic light-emitting display panel includes: providing a base substrate; forming an auxiliary cathode at a side of the base substrate and forming a pixel defining layer at a side of the auxiliary cathode away from the base substrate; filling a negative thermal expandable ball into the groove; forming a light-emitting layer at the side of the base substrate; performing a heating treatment and a vibrating treatment on the base substrate with the light-emitting layer; and forming a cathode layer at a side of the light-emitting layer away from the base substrate.
    Type: Application
    Filed: September 16, 2020
    Publication date: March 18, 2021
    Inventors: Litao QU, Biao TIAN, Jiewei LI, Langlang HA, Shihlun CHEN, Tao JIN, Jieshu WU
  • Publication number: 20200343486
    Abstract: Disclosed are a light-emitting element encapsulation structure, a method for fabricating the same, and a display panel, and the light-emitting element encapsulation structure includes: a first substrate; a second substrate arranged opposite to the first substrate; a light-emitting element located on the side of the second substrate facing the first substrate; an encapsulation layer made of a water-absorbent material, and filled in edge areas of the first substrate and the second substrate, wherein a hermetic space is defined by the encapsulation layer, the first substrate, and the second substrate, and the light-emitting element is located in the hermetic space; and a filler; the hermetic space is full of the filler except for an area occupied by the light-emitting element.
    Type: Application
    Filed: November 22, 2018
    Publication date: October 29, 2020
    Inventors: Shihlun CHEN, Litao QU
  • Publication number: 20200303477
    Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.
    Type: Application
    Filed: January 10, 2018
    Publication date: September 24, 2020
    Inventors: Qinghua ZOU, Ruhui ZHU, Gu YAO, Shupeng GUO, Litao QU
  • Patent number: 10763319
    Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: September 1, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Qinghua Zou, Ruhui Zhu, Gu Yao, Shupeng Guo, Litao Qu
  • Patent number: 10562061
    Abstract: An adhesive dispenser is includes a plurality of adhesive dispensing parts, each including an adhesive dispensing tube, an adhesive extrusion assembly, and a driving component. The adhesive dispensing tube is configured to carry an adhesive therein. The adhesive extrusion assembly is connected with the adhesive dispensing tube, and is configured to apply a pressure to the adhesive in the adhesive dispensing tube such that the adhesive is dispensed from the adhesive dispensing tube. The driving component is configured to drive adhesive extrusion assemblies of the plurality of adhesive dispensing parts to apply the pressure to the adhesive.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Litao Qu, Biao Tian
  • Patent number: 10566197
    Abstract: The present disclosure discloses a film carrier, a film application apparatus, a film application, and a film to be applied used in a display panel. The film carrier comprises: a main body part and an attraction member. The main body part has a supporting surface and is configured to be rotatable to drive the supporting surface to swing about an axial direction of the main body part. The supporting surface has a curved projection in a plane perpendicular to the axial direction. The attraction member is disposed on the main body part for attracting the film to be applied on the supporting surface.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: February 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Biao Tian, Shihlun Chen, Litao Qu, Tao Jin, Jianhui Zhang, Jieshu Wu, Yong Cui
  • Patent number: 10556787
    Abstract: A liquid transfer apparatus and a control method thereof are provided. The liquid transfer apparatus includes a first auxiliary cover, a second auxiliary cover, a transfer tube and a breathing pipe. The first auxiliary cover is configured to cover a container for holding a liquid to be transferred; and the second auxiliary cover is configured to cover a target container. One end of the transfer tube runs through the first auxiliary cover and the other end runs through the second auxiliary cover. One end of the breathing pipe runs through the first auxiliary cover and the other end is configured to introduce nitrogen, or an inert gas, so that the liquid in the container for holding the liquid to be transferred can be transferred to the target container through the transfer tube.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: February 11, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Litao Qu, Xuequan Jin
  • Publication number: 20190355797
    Abstract: Embodiments of the present disclosure relate to a display panel, a method for manufacturing the same, a display device and a displaying method. The display panel includes a substrate, a thin film transistor on the substrate, an insulating layer covering the substrate and the thin film transistor, a first electrode and a second electrode on the insulating layer and electrically insulated with each other, wherein an orthographic projection of the first electrode on the substrate does not overlap with an orthographic projection of the thin film transistor on the substrate, an orthographic projection of the second electrode on the substrate overlaps with an orthographic projection of the thin film transistor on the substrate, a light emitting layer on the first electrode and the second electrode, and a third electrode and a fourth electrode on the light emitting layer.
    Type: Application
    Filed: January 10, 2018
    Publication date: November 21, 2019
    Inventors: Qinghua ZOU, Ruhui ZHU, Gu YAO, Shupeng GUO, Litao QU
  • Publication number: 20190237334
    Abstract: The present disclosure discloses a film carrier, a film application apparatus, a film application, and a film to be applied used in a display panel. The film carrier comprises: a main body part and an attraction member. The main body part has a supporting surface and is configured to be rotatable to drive the supporting surface to swing about an axial direction of the main body part. The supporting surface has a curved projection in a plane perpendicular to the axial direction. The attraction member is disposed on the main body part for attracting the film to be applied on the supporting surface.
    Type: Application
    Filed: September 20, 2018
    Publication date: August 1, 2019
    Inventors: Biao TIAN, Shihlun CHEN, Litao QU, Tao JIN, Jianhui ZHANG, Jieshu WU, Yong CUI
  • Patent number: 10201827
    Abstract: An adhesive dripping device for adhesive dispensing equipment includes: a housing defining a mounting chamber therein, a lower end of the housing being provided with a nozzle communicating with the mounting chamber; a core stem mounted in an upper portion of the mounting chamber; an electromagnetic coil wound around the core stem; an elastic member fitting over the core stem; an adhesive dripping assembly mounted in the mounting chamber below the elastic member and configured for dripping adhesive through the nozzle; a pressure sensor mounted on a top end of the mounting chamber and abutting against an upper end of the elastic member; and a control unit electrically connected to the pressure sensor and the electromagnetic coil and configured for adjusting a current in the electromagnetic coil according to a pressure detected by the pressure sensor, so as to control an adhesive dripping amount of the adhesive dripping assembly.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Litao Qu, Shih Lun Chen
  • Publication number: 20190015864
    Abstract: An adhesive dispenser is includes a plurality of adhesive dispensing parts, each including an adhesive dispensing tube, an adhesive extrusion assembly, and a driving component. The adhesive dispensing tube is configured to carry an adhesive therein. The adhesive extrusion assembly is connected with the adhesive dispensing tube, and is configured to apply a pressure to the adhesive in the adhesive dispensing tube such that the adhesive is dispensed from the adhesive dispensing tube. The driving component is configured to drive adhesive extrusion assemblies of the plurality of adhesive dispensing parts to apply the pressure to the adhesive.
    Type: Application
    Filed: May 21, 2018
    Publication date: January 17, 2019
    Inventors: Litao Qu, Biao Tian
  • Patent number: 10158097
    Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel includes: a base substrate and a package cover plate disposed opposite to each other, and an organic electroluminescent structure disposed on the base substrate and provided between the base substrate and the package cover plate. The package cover plate has a first groove for accommodating the organic electroluminescent structure within a display region of the organic electroluminescent display panel; the package cover plate has at least one second groove surrounding the first groove and having a closed boundary within a non-display region of the organic electroluminescent display panel; the second groove accommodates a sealant; and a metal layer is located between a protrusion portion of the package cover plate and the base substrate.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: December 18, 2018
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Litao Qu, Chuan Yin, Chia Hao Chang, Shih Lun Chen, Zhiqiang Jiang
  • Publication number: 20180251363
    Abstract: A liquid transfer apparatus and a control method thereof are provided. The liquid transfer apparatus includes a first auxiliary cover, a second auxiliary cover, a transfer tube and a breathing pipe. The first auxiliary cover is configured to cover a container for holding a liquid to be transferred; and the second auxiliary cover is configured to cover a target container. One end of the transfer tube runs through the first auxiliary cover and the other end runs through the second auxiliary cover. One end of the breathing pipe runs through the first auxiliary cover and the other end is configured to introduce nitrogen, or an inert gas, so that the liquid in the container for holding the liquid to be transferred can be transferred to the target container through the transfer tube.
    Type: Application
    Filed: June 1, 2017
    Publication date: September 6, 2018
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd .
    Inventors: Litao Qu, Xuequan Jin
  • Publication number: 20180200747
    Abstract: An adhesive dripping device for adhesive dispensing equipment includes: a housing defining a mounting chamber therein, a lower end of the housing being provided with a nozzle communicating with the mounting chamber; a core stem mounted in an upper portion of the mounting chamber; an electromagnetic coil wound around the core stem; an elastic member fitting over the core stem; an adhesive dripping assembly mounted in the mounting chamber below the elastic member and configured for dripping adhesive through the nozzle; a pressure sensor mounted on a top end of the mounting chamber and abutting against an upper end of the elastic member; and a control unit electrically connected to the pressure sensor and the electromagnetic coil and configured for adjusting a current in the electromagnetic coil according to a pressure detected by the pressure sensor, so as to control an adhesive dripping amount of the adhesive dripping assembly.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 19, 2018
    Inventors: Litao Qu, Shih Lun Chen
  • Patent number: 9987652
    Abstract: An adhesive feeding device includes an adhesive dripping unit and a magnetic field control unit. The adhesive dripping unit is configured to accommodate an adhesive mixture having magnetic properties and comprises an adhesive outgoing end. The magnetic field control unit is provided above one end of the adhesive dripping unit opposite to the adhesive outgoing end, and is configured to control the adhesive mixture to flow out from the adhesive outgoing end without a firing pin.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: June 5, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Litao Qu
  • Publication number: 20170346038
    Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel includes: a base substrate and a package cover plate disposed opposite to each other, and an organic electroluminescent structure disposed on the base substrate and provided between the base substrate and the package cover plate. The package cover plate has a first groove for accommodating the organic electroluminescent structure within a display region of the organic electroluminescent display panel; the package cover plate has at least one second groove surrounding the first groove and having a closed boundary within a non-display region of the organic electroluminescent display panel; the second groove accommodates a sealant; and a metal layer is located between a protrusion portion of the package cover plate and the base substrate.
    Type: Application
    Filed: August 17, 2017
    Publication date: November 30, 2017
    Inventors: Litao Qu, Chuan Yin, Chia Hao Chang, Shih Lun Chen, Zhiqiang Jiang