Optical film and information technology apparatus comprising...

Details Optical film and information technology apparatus comprising... Optical film and information technology apparatus comprising...

2011-01-25

2011-01-25

Hon, Sophie (Department: 1783)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C525S187000, C349S096000, C349S122000

Reexamination Certificate

active

07875328

ABSTRACT:
The present invention relates to an optical film comprising an aromatic based unit having chain having the hydroxy group containing portion and aromatic moiety; and a styrene-based unit comprising one or more styrene-based derivatives, and has absolute values of in-plane retardation (Rin) and thickness retardation (Rin) of 10 nm or less regardless of stretching, and a polarizing plate and an information technology apparatus including the same.

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