Planar light source

Details Planar light source Planar light source

2006-09-19

2006-09-19

O'Shea, Sandra (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S600000, C362S606000, C362S609000, C362S610000

Reexamination Certificate

active

07108416

ABSTRACT:
A surface illuminant comprises a light source11consisting of LEDs, a light guide plate12which is optically coupled to said light source for guiding the light to one side thereof and a reflective film13which is disposed on the other opposite side of said light guide plate. The light guide plate12is made of a material into which a wave length converting material14or a light storage material15such as fluorescent material is incorporated. A desired color light can be obtained by converting the wave length of the light from the light source11or light can be emitted by storing the light when the light source is turned off.

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