Optical member, method of manufacturing the optical member...

Details Optical member, method of manufacturing the optical member... Optical member, method of manufacturing the optical member...

2009-05-19

2011-10-25

Dzierzynski, Evan (Department: 2875)

Illumination

Display backlight

C362S097200, C362S097400, C362S620000

Reexamination Certificate

active

08042963

ABSTRACT:
An optical member includes a base body, a plurality of light-concentrating lenses and a plurality of light-diffusing patterns. The base body has a first surface and a second surface which is opposite to the first surface and receives light from light sources. The light-concentrating lenses are formed on the first surface. The light-diffusing patterns are respectively formed at positions of the second surface respectively corresponding to the light sources to reduce an amount of light reflected by the light-concentrating lenses. Each of the light-diffusing patterns includes curved surfaces extending in a first direction and has a width which is in a predetermined range. The light-diffusing patterns are separated from one another in a second direction substantially perpendicular to the first direction.

REFERENCES:
patent: 6606133 (2003-08-01), Okabe
patent: 7753565 (2010-07-01), Hsu et al.
patent: 7804564 (2010-09-01), Min et al.
patent: 2009/0021667 (2009-01-01), Horiguchi et al.
patent: 10-0557451 (2006-02-01), None
patent: 10-2008-0004802 (2008-01-01), None
patent: 10-2008-0005198 (2008-01-01), None
English Abstract for Publication No. 1020050087101 (for 10-0557451), Aug. 31, 2005.
English Abstract for Publication No. 1020080004802, Jan. 10, 2008.
English Abstract for Publication No. 1020080005198, Jan. 10, 2008.

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