Patents by Inventor Yikun Dou

Yikun Dou 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: 20200198354
    Abstract: An inkjet printing device and an operation method of the inkjet printing device are provided. The inkjet printing device includes a printing sprayer head, the printing sprayer head includes a nozzle and a cleaner component, the cleaner device includes a cleaner and a vacuum system, the cleaner is configured to be communicated with the nozzle, and the cleaner is communicated with the vacuum system.
    Type: Application
    Filed: October 23, 2019
    Publication date: June 25, 2020
    Applicants: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yikun Dou, Yang Xu, Han Yan
  • Patent number: 10553809
    Abstract: A laminated Organic Light Emitting Diode (OLED) display panel and a manufacturing method thereof and a display device are provided. The laminated OLED display panel includes: a pixel partition layer, which defines a plurality of openings; a first charge generate layer, which has a first doping type, being positioned on the pixel partition layer; and a second charge generate layer, which has a second doping type, being positioned on the first charge generate layer. The laminated OLED display panel further includes: a barrier layer, which is positioned between the first charge generation layer and the second charge generation layer and at least corresponds to a position of the pixel partition layer.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: February 4, 2020
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Zhijie Ye, Rui Peng, Xinxin Wang, Yikun Dou, Wenbin Jia, Yue Hu
  • Publication number: 20190203339
    Abstract: The present disclosure provides an evaporation device and an evaporation method. The evaporation device includes: an evaporation chamber; a plurality of spaced conductive baffles disposed in the evaporation chamber and dividing the evaporation chamber into a plurality of evaporation sub-chambers, the conductive baffles configured to carry charges of a first polarity; an evaporation source disposed in at least one of the evaporation sub-chambers; and a particle charging circuit disposed in at least one of the evaporation sub-chambers. The particle charging circuit is configured to control evaporation material particles generated from the evaporation source in at least one of the evaporation sub-chambers to have charges of the first polarity.
    Type: Application
    Filed: July 4, 2018
    Publication date: July 4, 2019
    Applicants: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Bo MAO, Changjun JIANG, Jun LI, Langlang HA, Yikun DOU, Yang XU, Mengyu LUAN
  • Publication number: 20190157585
    Abstract: A flexible display panel, a flexible display apparatus and a method of manufacturing the flexible display panel are disclosed. The method includes: forming a flexible substrate on a substrate, the flexible substrate including a first flexible buffer region having a first bending strength and a second flexible buffer region having a second bending strength, and the first bending strength being greater than the second bending strength; and forming display devices in the first flexible buffer region and the second flexible buffer region of the flexible substrate. The flexible display panel includes: a flexible substrate, the flexible substrate including a first flexible buffer region having a first bending strength and a second flexible buffer region having a second bending strength, and the first bending strength being greater than the second bending strength; and display devices disposed in the first flexible buffer region and the second flexible buffer region.
    Type: Application
    Filed: May 17, 2018
    Publication date: May 23, 2019
    Inventors: Wenbin Jia, Xinxin Wang, Zhijie Ye, Rui Peng, Yikun Dou, Yue Hu, Lifang Song, Li Sun
  • Publication number: 20190097159
    Abstract: A laminated Organic Light Emitting Diode (OLED) display panel and a manufacturing method thereof and a display device are provided. The laminated OLED display panel includes: a pixel partition layer, which defines a plurality of openings; a first charge generate layer, which has a first doping type, being positioned on the pixel partition layer; and a second charge generate layer, which has a second doping type, being positioned on the first charge generate layer. The laminated OLED display panel further includes: a barrier layer, which is positioned between the first charge generation layer and the second charge generation layer and at least corresponds to a position of the pixel partition layer.
    Type: Application
    Filed: May 4, 2018
    Publication date: March 28, 2019
    Applicants: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Zhijie Ye, Rui Peng, Xinxin Wang, Yikun Dou, Wenbin Jia, Yue Hu