Patent Number: 7,704,570

Title: Polarizing plate and liquid crystal display apparatus using the same

Abstract: A polarizing plate includes two transparent supports A and B; and a polarizer sandwiched between the two transparent supports A and B; wherein (i) the transparent support A is a stretched cellulose ester film (a) which contains a non-phosphoric acid ester plasticizer and substantially does not contain a phosphoric acid ester plasticizer, and wherein (ii) the transparent support B is a stretched cellulose ester film (b) which has a retardation value R.sub.0 of from 0 nm to 10 nm and a retardation value R.sub.t of from -30 nm to 20 nm, and the retardation value R.sub.0 and the retardation value R.sub.t are defined by the following formulas (I) and (II): Ro=(nx-ny).times.d Formula (I): Rt={(nx+ny)/2-nz}.times.d. Formula (II):

Inventors: Takebe; Takashi (Kawasaki, JP), Shimizu; Kunio (Otsuki, JP), Oka; Shigeki (Kunitachi, JP)

Assignee: Konica Minolta Opto, Inc.

International Classification: G02B 5/30 (20060101); G02F 1/1335 (20060101)

Expiration Date: 4/27/12018