Optical film having high hardness and use thereof

Details Optical film having high hardness and use thereof Optical film having high hardness and use thereof

2005-08-30

2009-12-29

Ahmed, Sheeba (Department: 1794)

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

C428S323000, C428S328000, C428S329000, C428S331000, C428S332000, C428S412000, C428S413000, C428S423100, C428S473500, C428S500000

Reexamination Certificate

active

07638185

ABSTRACT:
The invention pertains to an optical film comprising a transparent substrate and at least one coating coated on the surface of the substrate. The coating comprises a polymeric matrix and inorganic nano particles dispersed therein. The inventive optical film possesses a light-focusing structure.The present invention further provides a method for enhancing the brightness of the panel boards of liquid crystal displays.

REFERENCES:
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patent: 6160067 (2000-12-01), Eriyama et al.
patent: 6214467 (2001-04-01), Edwards et al.
patent: 6355703 (2002-03-01), Baba et al.
patent: 2003/0100693 (2003-05-01), Olson et al.
patent: 2004/0233526 (2004-11-01), Kaminsky et al.
patent: 2-272041 (1990-11-01), None
English abstract of JP 2-272041 dated Nov. 6, 1990.

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