Lighting device and liquid crystal display device

Details Lighting device and liquid crystal display device Lighting device and liquid crystal display device

2006-04-04

2006-04-04

Husar, Stephen (Department: 2875)

Illumination

Edge lighted panel

Light modifier for edge lit light source

C362S019000, C362S610000, C362S612000, C362S622000, C359S490020

Reexamination Certificate

active

07021812

ABSTRACT:
A lighting device including a light guide plate, a light source unit disposed on the side of the light guide plate and a polarization separation element disposed between the light guide plate and the light source unit. The polarization separation element is used for transmitting linearly polarized light in a first polarized direction and reflecting linearly polarized light in a polarized direction normal to the first polarized direction. The light source unit includes a pillar-shaped light guide which light exits at a first side surface, a spot light emission source disposed on the end surface of the pillar-shaped light guide, and a reflecting layer disposed on a second side surface of a prism surface opposed to the first side surface for reflecting light from the spot light emission source.

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