Polarized light source device and back light module for...

Details Polarized light source device and back light module for... Polarized light source device and back light module for...

2007-09-04

2007-09-04

Ward, John Anthony (Department: 2885)

Illumination

Edge lighted panel

Light guide

C362S019000, C349S065000

Reexamination Certificate

active

10446663

ABSTRACT:
A polarized light source device comprises a light source, a reflector, a transparent substrate, an antireflection layer, and a plurality of metal grid wires. The reflector surrounds the light source for reflecting the light, and has an opening for emitting the light. The transparent substrate is disposed at the opening. The antireflection layer is disposed on the transparent substrate. The metal grid wires are disposed on the antireflection layer for transmitting the light with a predetermined polarization therethrough.

REFERENCES:
patent: 5477422 (1995-12-01), Hooker et al.
patent: 5485354 (1996-01-01), Ciupke et al.
patent: 6122103 (2000-09-01), Perkins et al.
patent: 6164790 (2000-12-01), Lee
patent: 6208463 (2001-03-01), Hansen et al.
patent: 11-233919 (1999-08-01), None
U.S. Appl. No. 10/227,841, Panel Light Source Device and Back Light Module for Liquid Crystal Display Device, filed Aug. 27, 2002.

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