×

LCD Backlight unit and LCD having the same

  • US 20060055843A1
  • Filed: 11/29/2004
  • Published: 03/16/2006
  • Est. Priority Date: 09/14/2004
  • Status: Active Grant
First Claim
Patent Images

1. A Light Emitting Display (LCD) backlight apparatus comprising:

  • a light guide plate placed under an LCD panel of the LCD to guide light to the LCD panel, the light guide plate having an even upper surface and a scattering pattern formed in a bottom surface; and

    a plurality of monochromatic light sources placed in line at a side of the light guide plate to radiate light along the plane direction of the light guide plate between the upper and bottom surfaces of the light guide plate, wherein the light sources are adapted to radiate light beams in a predetermined beam angle so that the light beams reach the scattering pattern only after having propagated a predetermined reference length necessary for forming white light when mixed together.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×