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CIRCULARLY POLARIZING PLATE, ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE, AND MANUFACTURING METHOD FOR CIRCULARLY POLARIZING PLATE
CIRCULARLY POLARIZING PLATE, ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE, AND MANUFACTURING METHOD FOR CIRCULARLY POLARIZING PLATE
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机译:圆极化板,有机电致发光显示装置以及圆极化板的制造方法
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摘要
PROBLEM TO BE SOLVED: To provide a circularly polarizing plate capable of minimizing occurrence of warpage and deterioration of a polarizer and suppressing display irregularities when used in a display device.SOLUTION: A circularly polarizing plate includes: a polarizing plate 1 comprising a polarizer 14 sandwiched by a first protective film 12 and a second protective film 16; and a /4 retardation film 18 provided abutting the second protective film 16. The second protective film 16 has an in-plane retardation Ro and a thickness retardation Rt, which satisfy the following expressions (1), (2): |Ro|10 nm ...(1), |Rt|10 nm ...(2).SELECTED DRAWING: Figure 1
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