Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hajime Nakayama0
Date of Patent
August 10, 2010
0Patent Application Number
116063310
Date Filed
November 30, 2006
0Patent Primary Examiner
Patent abstract
An optical compensation film having: a retardation value Re in a film plane of the optical compensation film; and a retardation value Rth in a thickness direction of the optical compensation film, the retardation value Re and Rth being reduced by an elongation, satisfying the formula (1) and (2) without the elongation, and satisfying the formula (3) to (6) after the elongation:Re=0 to 30 nm (1)Rth=−50 to 50 nm (2)Re(n)=−500 to 0 nm (3)Rth(n)=−800 to 0 nm (4)Re(n)−Re(0)<0 (5)Rth(n)−Rth(0)<0 (6).
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