Lighting device

Details Lighting device Lighting device

2011-01-04

2011-01-04

Husar, Stephen F (Department: 2875)

Illumination

Display backlight

Lcd backlight

C362S244000, C362S311020, C362S339000, C362S620000

Reexamination Certificate

active

07862192

ABSTRACT:
A lighting device includes a housing, a plurality of LEDs arranged on a base of the housing, and a first optical plate positioned above the LEDs. The first optical plate includes a light input surface, a light output surface opposite to the light input surface, and a plurality of V-shaped ridges aligned in at least two different directions formed on the light output surface. The V-shaped ridges aligned in different directions intersect with one another. The lighting device may be used as a backlight module.

REFERENCES:
patent: 7726827 (2010-06-01), Hsu et al.
patent: 2009/0073723 (2009-03-01), Hsu et al.
patent: 2010/0033952 (2010-02-01), Chang

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