×

Backlight unit of liquid crystal display

  • US 20030117790A1
  • Filed: 12/13/2002
  • Published: 06/26/2003
  • Est. Priority Date: 12/21/2001
  • Status: Abandoned Application
First Claim
Patent Images

1. A backlight unit for enhancing brightness of a TFT-LCD device comprises of:

  • a lamp for providing a light;

    a light guide plate having a top surface and one side, wherein said light is multiple reflected in said light guide plate and emitted from said top surface of said light guide plate, said lamp is fastened to said side of said light guide plate to illuminate said light into said light guide plate with an edgelight form;

    an optical film disposed on said light guide plate to spread uniformly said light emitted from said light guide plate; and

    an adhesive layer disposed between said light guide plate and said optical film to fill gaps between said light guide plate and said optical film to prevent said light from multiple reflections between said light guide plate and said optical film.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×