Optical guide bar, line light source device, surface light...

Details Optical guide bar, line light source device, surface light... Optical guide bar, line light source device, surface light...

2007-12-04

2010-12-14

Han, Jason Moon (Department: 2875)

Illumination

Edge lighted panel

Light modifier for edge lit light source

C362S555000, C362S612000, C349S065000

Reexamination Certificate

active

07850357

ABSTRACT:
Provided is an optical guide bar including: a light exit portion; light incident portions, on which light is incident, formed on both sides of the light exit portion; and a reflective portion facing the light exit portion and including a prism pattern that reflects light transmitted through the light incident portions towards the light exit portion. A shape of the reflective portion is determined in consideration of an effective light emission width of the light incident portion so that the intensity of light at any portion of the reflective portion is uniform.

REFERENCES:
patent: 2006/0139950 (2006-06-01), Maeda et al.

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