发明名称 |
POLARIZER PROTECTIVE FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE |
摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display device that has suppressed the occurrence of mottled rainbow when an oriented polyester film is used as a polarizer protective film for both of a pair of polarizing plates.SOLUTION: There is provided a polarizer protective film composed of an orientation polyester film having a retardation of 4000 to 30000 nm, a ratio of retardation to retardation in the thickness direction (Re/Rth) of 0.83 or more, and a variation in Re/Rth of 15% or less. |
申请公布号 |
JP2015141260(A) |
申请公布日期 |
2015.08.03 |
申请号 |
JP20140013032 |
申请日期 |
2014.01.28 |
申请人 |
TOYOBO CO LTD |
发明人 |
MURATA KOICHI;SASAKI YASUSHI |
分类号 |
G02B5/30;B32B27/18;B32B27/36;G02F1/1335;G02F1/13357 |
主分类号 |
G02B5/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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