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).

  • Organic electroluminescent display panel, fabrication method thereof and display device
    Patent number: 9806283
    Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel comprises: 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 there is a metal layer between a protrusion portion of the package cover plate and the base substrate.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: October 31, 2017
    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
  • ADHESIVE FEEDING DEVICE
    Publication number: 20170113241
    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: Application
    Filed: September 6, 2016
    Publication date: April 27, 2017
    Inventor: Litao QU
  • Organic Electroluminescent Display Panel, Fabrication Method Thereof and Display Device
    Publication number: 20160336536
    Abstract: An organic electroluminescent display panel, a fabrication method thereof, and a display device are provided. The organic electroluminescent display panel comprises: 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 there is a metal layer between a protrusion portion of the package cover plate and the base substrate.
    Type: Application
    Filed: April 14, 2016
    Publication date: November 17, 2016
    Inventors: Litao Qu, Chuan Yin, Chia Hao Chang, Shih Lun Chen, Zhiqiang Jiang