Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 23, 2009
Patent Application Number
11453589
Date Filed
June 15, 2006
Patent Primary Examiner
Patent abstract
A polarization plate comprising a polarizer and polarizing plate protective films A and B provided on both surfaces of the polarizer, wherein (i) a thickness of each of the polarizing plate protective films A and B is 30 to 60 μm; (ii) in-plate retardation value Ro of the polarizing plate protective film B is 20 to 100 nm; (iii) retardation value Rt in the thickness direction of the polarizing plate protective film B is 10 to 300 nm; (iv) a thickness of the polarizing plate is 80 to 160 μm; (v) a stiffness of the polarizing plate of the polarizing plate under a condition of 23° C. and 55% RH is 20 to 80 g.
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