Optical multilayer film, polarizing plate and optical product

Details Optical multilayer film, polarizing plate and optical product Optical multilayer film, polarizing plate and optical product

2007-10-23

2007-10-23

Chen, Vivian (Department: 1773)

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Including components having same physical characteristic in...

C428S304400, C428S312200, C428S312600, C428S446000, C428S447000, C428S448000, C428S451000, C428S452000, C428S480000, C428S500000, C428S523000, C359S580000, C359S586000, C349S122000, C349S137000

Reexamination Certificate

active

10562567

ABSTRACT:
An optical multilayer film comprising a hard coat layer and a low refractive index layer comprising aerogel, which layers are laminated, in this order, directly or with another intervening layer on one surface of a base film comprising a transparent resin, wherein the refractive index nHof the hard coat layer and the refractive index nLof the low refractive index layer satisfy the following three formulae [1], [2] and [3],in-line-formulae description="In-line Formulae" end="lead"?1.25≦nL≦1.37 Formula [1]in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?nH≧1.53 Formula [2]in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?(nH)1/2−0.2<nL<(nH)1/2+0.2. Formula [3.]in-line-formulae description="In-line Formulae" end="tail"?

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