Patents by Inventor Yongchao Wang

Yongchao Wang 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).

  • NEGATIVE THERMAL EXPANSION MATERIAL, NEGATIVE THERMAL EXPANSION FILM AND PREPARATION METHOD THEREOF
    Publication number: 20210331936
    Abstract: A negative thermal expansion material and a preparation method thereof, and a negative thermal expansion film and a preparation method thereof are provided. The negative thermal expansion material includes Eu0.85Cu0.15MnO3-?, wherein 0???2.
    Type: Application
    Filed: July 17, 2018
    Publication date: October 28, 2021
    Inventors: Wei LI, Pan GUO, Yanqing CHEN, Ning WANG, Weida QIN, Haoyi XIN, Yanfeng LI, Chao LI, Yongchao WANG
  • Display panel and method for controlling the same, wearable VR display device
    Patent number: 10761331
    Abstract: A display panel includes a base substrate, and a plurality of sub-pixels disposed on the base substrate and located at least in a left eye display area and a right eye display area of the display panel. The left eye display area and the right eye display area are arranged side by side. An area of the display panel outside the left eye display area and the right eye display area is a non-display area.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: September 1, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., ORDOS YUANSHENG OPTOELECTRONICS CO., LTD.
    Inventors: Chao Li, Wei Li, Yanfeng Li, Yanqing Chen, Ning Wang, Weida Qin, Pan Guo, Yongchao Wang, Haoyi Xin
  • DISPLAY PANEL AND METHOD FOR CONTROLLING THE SAME, WEARABLE VR DISPLAY DEVICE
    Publication number: 20190204603
    Abstract: A display panel includes a base substrate, and a plurality of sub-pixels disposed on the base substrate and located at least in a left eye display area and a right eye display area of the display panel. The left eye display area and the right eye display area are arranged side by side. An area of the display panel outside the left eye display area and the right eye display area is a non-display area.
    Type: Application
    Filed: December 10, 2018
    Publication date: July 4, 2019
    Inventors: Chao LI, Wei LI, Yanfeng LI, Yanqing CHEN, Ning WANG, Weida QIN, Pan GUO, Yongchao WANG, Haoyi XIN
  • Harmonic suppression system
    Patent number: 9634772
    Abstract: A harmonic suppression system, including an interface connector is connected to a common end of a first differential SPMT switch; a control port of the first differential SPMT switch is connected to a control port of a second differential SPMT switch, and a gating throw end of the first differential SPMT switch is separately connected to one end of each LC trap network in a one-to-one correspondence; the control port of the second differential SPMT switch is connected to a baseband chip, each gating throw end of the second differential SPMT switch is separately connected to the other end of each LC trap network in a one-to-one correspondence, and a common end of the second differential SPMT switch is connected to the baseband chip; the baseband chip is connected to an antenna switch; and the antenna switch is connected to a antenna.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: April 25, 2017
    Assignee: Huawei Device Co., Ltd.
    Inventors: Yongchao Wang, Hui Zhang, Feng Dong, Yajun Wang, Yueyun Cheng
  • Harmonic Suppression System
    Publication number: 20160094299
    Abstract: A harmonic suppression system, including an interface connector is connected to a common end of a first differential SPMT switch; a control port of the first differential SPMT switch is connected to a control port of a second differential SPMT switch, and a gating throw end of the first differential SPMT switch is separately connected to one end of each LC trap network in a one-to-one correspondence; the control port of the second differential SPMT switch is connected to a baseband chip, each gating throw end of the second differential SPMT switch is separately connected to the other end of each LC trap network in a one-to-one correspondence, and a common end of the second differential SPMT switch is connected to the baseband chip; the baseband chip is connected to an antenna switch; and the antenna switch is connected to a antenna.
    Type: Application
    Filed: December 1, 2015
    Publication date: March 31, 2016
    Inventors: Yongchao Wang, Hui Zhang, Feng Dong, Yajun Wang, Yueyun Cheng