Backlight unit and liquid crystal display device

Details Backlight unit and liquid crystal display device Backlight unit and liquid crystal display device

2007-01-23

2007-01-23

Sember, Thomas M. (Department: 2875)

Illumination

Edge lighted panel

Light guide

C362S625000, C362S626000, C349S065000

Reexamination Certificate

active

10717345

ABSTRACT:
A backlight10includes a light source13, a light guide plate12for introducing light emitted from the light source13from an incidence surface12aprovided on an end and for emitting the light from one surface, a diffusive reflector15provided such that the surface having a minute concavo-convex portion15dfaces the other surface of the light guide plate12, and a light directivity control sheet17provided on the one surface of the light guide plate12such that the apexes17cof pyramid-shaped objects17bface the opposite side to the light guide plate12.

REFERENCES:
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patent: 5926601 (1999-07-01), Tai et al.
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patent: 6347873 (2002-02-01), Hosseini et al.
patent: 6502947 (2003-01-01), Matsumoto et al.
patent: 6705739 (2004-03-01), Kuo
patent: 6729737 (2004-05-01), Jeon et al.
patent: 2000-11728 (2000-01-01), None

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