Patents by Inventor Chia-Chien Hsu

Chia-Chien Hsu 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).

  • Compact projector with high optical performance
    Patent number: 9081191
    Abstract: A projector includes an illuminating system and an imaging system. The illuminating system includes a light source module, a lens array, a condenser lens and a display panel, in which light beams are generated by the light source module, uniformly dispersed by the lens array, condensed by the condenser lens, and reflected by the display panel to obtain image light, and the condenser lens has an effective focal length substantially equal to a product of an f-number of the illuminating system and a thickness of the lens array. The imaging system outwardly projects the image light.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: July 14, 2015
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL INTERNATIONAL LTD.
    Inventor: Chia-Chien Hsu
  • Projector
    Publication number: 20140036234
    Abstract: A projector includes an illuminating system and an imaging system. The illuminating system includes a light source module, a lens array, a condenser lens and a display panel, in which light beams are generated by the light source module, uniformly dispersed by the lens array, condensed by the condenser lens, and reflected by the display panel to obtain image light, and the condenser lens has an effective focal length substantially equal to a product of an f-number of the illuminating system and a thickness of the lens array. The imaging system outwardly projects the image light.
    Type: Application
    Filed: June 14, 2013
    Publication date: February 6, 2014
    Inventor: Chia-Chien Hsu