Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2007-11-01
2009-08-18
Wood, Kevin S (Department: 2874)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C359S837000, C359S831000, C362S620000, C362S246000, C362S337000
Reexamination Certificate
active
07576810
ABSTRACT:
An exemplary prism sheet includes a main body having a surface. The surface defines a plurality of first V-shaped micro-protrusions and second V-shaped micro-protrusions thereon. Each of the first V-shaped micro-protrusions extends along a first curved direction. Each of the second V-shaped micro-protrusions extends along a second curved direction. The first V-shaped micro-protrusions intersect with the second V-shaped micro-protrusions. The present prism sheet and the liquid crystal display device using the same can efficiently decrease moire pattern interference between the prism sheet and the pixel pitch of LCD panel.
REFERENCES:
patent: 7364341 (2008-04-01), Parker et al.
patent: 7422357 (2008-09-01), Chang
patent: 2008/0117514 (2008-05-01), Hsu et al.
patent: 2009/0009894 (2009-01-01), Chuang
Hon Hai Precision Industry Co. Ltd.
Niranjan Frank R.
Wood Kevin S
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