Patents by Inventor Guangsheng Hua

Guangsheng Hua 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).

  • Backlight module, display device and method for eliminating hotspot effect
    Patent number: 9207378
    Abstract: Disclosed are a backlight module and a display device and method using the same, the backlight module comprises light-guide plate (302), an optical film (303) attaching to a side of a light emitting face of the light-guide plate (302), and a strip-like assembly (301) of point light source disposed at the side of the light incident face of the light-guide plate (302), the strip-like assembly (301) of point light source comprises point light sources toward the light incident face of the light-guide plate (302) thereon, an edge of one side of the optical film (303) corresponding to the light incident face of the light-guide plate (302) is provided with indents (303a).
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: December 8, 2015
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Guangsheng Hua, Zhanchang Bu, Yi Deng
  • Backlight and display device
    Patent number: 9022634
    Abstract: Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: May 5, 2015
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Zhanchang Bu, Bochang Wang, Fei Wang, Yanjun Sun, Yi Deng, Guangsheng Hua
  • Backlight Module, Display Device And Method For Eliminating Hotspot Effect
    Publication number: 20140085930
    Abstract: Disclosed are a backlight module and a display device and method using the same, the backlight module comprises light-guide plate (302), an optical film (303) attaching to a side of a light emitting face of the light-guide plate (302), and a strip-like assembly (301) of point light source disposed at the side of the light incident face of the light-guide plate (302), the strip-like assembly (301) of point light source comprises point light sources toward the light incident face of the light-guide plate (302) thereon, an edge of one side of the optical film (303) corresponding to the light incident face of the light-guide plate (302) is provided with indents (303a).
    Type: Application
    Filed: November 23, 2012
    Publication date: March 27, 2014
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Guangsheng Hua, Zhanchang Bu, Yi Deng
  • BACKLIGHT AND DISPLAY DEVICE
    Publication number: 20130114298
    Abstract: Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.
    Type: Application
    Filed: July 20, 2012
    Publication date: May 9, 2013
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhanchang Bu, Bochang Wang, Fei Wang, Yanjun Sun, Yi Deng, Guangsheng Hua