Surface light source device of side light type and liquid...

Details Surface light source device of side light type and liquid... Surface light source device of side light type and liquid...

2005-08-16

2005-08-16

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Particular illumination

C349S063000

Reexamination Certificate

active

06930735

ABSTRACT:
A LCD comprises a surface light source device of side light type for auxiliary lighting. A fluorescent lamp is turned on to supply primary light to be introduced into a guide plate. A back face (upper face) of the guide plate provides a light control face including an emission promoting surface to promote emission from an illumination output face (lower face). The illumination output face provides a specular face without scattering power. Illumination light L2introduced into the guide plate escapes gradually from the back face and the illumination output face on the way of propagation.

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