Backlight module having plural light guide sets

Details Backlight module having plural light guide sets Backlight module having plural light guide sets

2007-05-04

2009-06-09

O'Shea, Sandra L (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S610000, C362S617000, C362S619000, C362S620000

Reexamination Certificate

active

07543972

ABSTRACT:
A backlight module includes a light guide plate, which includes a substrate and at least two light guide sets formed on a surface of the substrate. Each light guide set includes a plurality of light guide elements, with the light guide elements including emission surface structures to emit light, and the emission surface structures of the light guide elements of one of the light guide sets being different from the emission surface structures of the light guide elements of another one of the light guide sets.

REFERENCES:
patent: 6464366 (2002-10-01), Lin et al.
patent: 6540368 (2003-04-01), Akaoka
patent: 2005/0100282 (2005-05-01), Okada et al.
patent: 2007/0171330 (2007-07-01), Hung et al.
C.P. Hung et al., U.S. Appl. No. 11/657,924, entitled “Providing Light Guide Elements in a Backlight Module,” filed Jan. 25, 2007, pp. 1-20, Figs. 1-5.

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