Optical: systems and elements – Diffusing of incident light
Reexamination Certificate
2007-04-17
2008-08-12
Nguyen, Thong (Department: 2872)
Optical: systems and elements
Diffusing of incident light
C359S831000, C362S620000, C362S626000
Reexamination Certificate
active
07411732
ABSTRACT:
A backlight module includes a light source, a light guide disposed on one side of the light source, a reflector disposed under the light guide, a lower diffuser disposed on the light guide, and a brightness enhancement film, which is disposed on the lower diffuser and includes a main part and several prism structures disposed side by side on a main part plane of the main part. Each prism structure includes first to third triangular prisms. The second triangular prism is adjacent to one side of the first triangular prism, and an adjacent angle adjacent to a base angle of the first triangular prism is a right angle. The third triangular prism is adjacent to another side of the first triangular prism, and an adjacent angle adjacent to another base angle of the first triangular prism is a right angle.
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Chen Chih-Kuang
Huang Jyh-Haur
Kao Ko-Chia
Au Optronics Corp.
Nguyen Thong
Thomas Kayden Horstemeyer & Risley
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