Patents by Inventor Chao Yi Tsai

Chao Yi Tsai 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).

  • Brightness enhancement film
    Patent number: 7842380
    Abstract: A brightness enhancement film comprising a substrate which comprises, on one side, a scratch-resistant layer comprising inorganic microparticles is provided. The brightness enhancement film is useful as a scratch-resistant brightness enhancement film in liquid crystal displays.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 30, 2010
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Shih-Yi Chuang, Chao-Yi Tsai, Guo-Long Wu
  • Optical sheet
    Patent number: 7776424
    Abstract: An optical sheet includes a substrate, a light diffusion layer formed on the substrate, and a light gathering layer formed on the light diffusion layer. The light diffusion layer includes a polymeric resin having a plurality of bubbles mixed therein. The light gathering layer has at least one microstructure. The optical sheet of the subject invention can be used in LCD's as a photo-diffusive brightness enhancement film.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: August 17, 2010
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Shih-Yi Chuang, Chao-Yi Tsai
  • Brightness enhancement film
    Patent number: 7740945
    Abstract: A brightness enhancement film is provided, which comprises a substrate with a light diffusion layer having a convex-concave structure on one side of the substrate. The brightness enhancement film of the present invention can be used in liquid crystal displays (LCDs) as a light diffusion brightness enhancement film.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: June 22, 2010
    Assignee: Eternal Chemical Co., Ltd.
    Inventors: Shih Yi Chuang, Chao Yi Tsai, Guo Long Wu
  • Brightness enhancement film
    Publication number: 20070254146
    Abstract: A brightness enhancement film comprising a substrate which comprises, on one side, a scratch-resistant layer comprising inorganic microparticles is provided. The brightness enhancement film is useful as a scratch-resistant brightness enhancement film in liquid crystal displays.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 1, 2007
    Applicant: Eternal Chemical Co., Ltd.
    Inventors: Shih-Yi Chuang, Chao-Yi Tsai, Guo-Long Wu
  • Optical sheet
    Publication number: 20070126074
    Abstract: An optical sheet includes an substrate having a first surface and a second surface opposite to the first surface, a light gathering layer formed on the first surface of the substrate, and an light diffusion layer formed on the second surface of the substrate. The light diffusion layer includes a polymeric resin having a plurality of bubbles mixed therein. The optical sheet of the subject invention can be used in LCDs as a photo-diffusive brightness enhancement film.
    Type: Application
    Filed: November 16, 2006
    Publication date: June 7, 2007
    Applicant: Eternal Chemical Co., Ltd.
    Inventors: Shih-Yi Chuang, Chao-Yi Tsai
  • Optical sheet
    Publication number: 20070128413
    Abstract: An optical sheet includes a substrate, a light diffusion layer formed on the substrate, and a light gathering layer formed on the light diffusion layer. The light diffusion layer includes a polymeric resin having a plurality of bubbles mixed therein. The light gathering layer has at least one microstructure. The optical sheet of the subject invention can be used in LCDs as a photo-diffusive brightness enhancement film.
    Type: Application
    Filed: November 16, 2006
    Publication date: June 7, 2007
    Applicant: Eternal Chemical Co., Ltd.
    Inventors: Shih-Yi Chuang, Chao-Yi Tsai