Patents by Inventor Kai-Yin Huang

Kai-Yin Huang 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).

  • Method for enhancing light directivity of a lighting apparatus
    Patent number: 8231238
    Abstract: The present invention discloses a method for enhancing light directivity of a lighting apparatus. The method for enhancing light directivity of a lighting apparatus, comprising providing a light source module that comprises at least one light emitter; and providing a reflecting device that surrounds said light emitter or said light source module to reflect light emitted from said light emitter and direct the light toward a same direction, wherein said reflecting device comprises a first surface, said first surface comprises at least two planes in which every two planes are connected with an included angle more than 90 degrees and less than 180 degrees, said reflecting device surrounds one light emitter or surrounds said light source module.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: July 31, 2012
    Assignee: Chung Yuan Christian University
    Inventors: Yi-Hua Fan, Rong-Jhe Chen, Yi-Lin Liao, Sheng-Kai Chang, Kai-Yin Huang
  • Method For Enhancing Light Directivity of A Lighting Apparatus
    Publication number: 20110176307
    Abstract: The present invention discloses a method for enhancing light directivity of a lighting apparatus. The method for enhancing light directivity of a lighting apparatus, comprising providing a light source module that comprises at least one light emitter; and providing a reflecting device that surrounds said light emitter or said light source module to reflect light emitted from said light emitter and direct the light toward a same direction, wherein said reflecting device comprises a first surface, said first surface comprises at least two planes in which every two planes are connected with an included angle more than 90 degrees and less than 180 degrees, said reflecting device surrounds one light emitter or surrounds said light source module.
    Type: Application
    Filed: April 4, 2011
    Publication date: July 21, 2011
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Yi-Hua Fan, Rong-Jhe Chen, Yi-Lin Liao, Sheng-Kai Chang, Kai-Yin Huang
  • Reflecting device and application thereof in backlight unit for enhancing light directivity
    Patent number: 7938552
    Abstract: The present invention discloses a backlight unit having a reflecting device to enhance light directivity. The backlight unit comprises a light source module, comprising at least one light source, and a reflecting device. The reflecting device is provided to surround the light source or light source module and comprises a first surface. Besides, the first surface comprises at least two planes where every two planes are connected with an included angle more than 90 degrees and less than 180 degrees.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: May 10, 2011
    Assignee: Chung Yuan Christian University
    Inventors: Yi-Hua Fan, Rong-Jhe Chen, Yi-Lin Liao, Sheng-Kai Chang, Kai-Yin Huang
  • Reflecting Device And Application thereof in Backlight Unit For Enhancing Light Directivity
    Publication number: 20090316402
    Abstract: The present invention discloses a backlight unit having a reflecting device to enhance light directivity. The backlight unit comprises a light source module, comprising at least one light source, and a reflecting device. The reflecting device is provided to surround the light source or light source module and comprises a first surface. Besides, the first surface comprises at least two planes where every two planes are connected with an included angle more than 90 degrees and less than 180 degrees.
    Type: Application
    Filed: June 24, 2008
    Publication date: December 24, 2009
    Applicant: CHUNG YUAN CHRISTIAN UNIVERSITY
    Inventors: Yi-Hua Fan, Rong-Jhe Chen, Yi-Lin Liao, Sheng-Kai Chang, Kai-Yin Huang