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RETARDATION FILM, AND OPTICAL COMPENSATION LAYER, OPTICAL COMPENSATION POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE AND ORGANIC EL DISPLAY DEVICE EACH USING SAID RETARDATION FILM
RETARDATION FILM, AND OPTICAL COMPENSATION LAYER, OPTICAL COMPENSATION POLARIZING PLATE, LIQUID CRYSTAL DISPLAY DEVICE AND ORGANIC EL DISPLAY DEVICE EACH USING SAID RETARDATION FILM
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机译:延迟膜,光学补偿层,光学补偿偏光板,液晶显示装置和有机EL显示装置
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摘要
The present invention achieves a phase difference film that is excellent in wavelength dispersion property, in-plane retardation, and film thickness, by using a polymeric material (i) which is composed of at least one type of cellulose derivative having a specific alkoxyl group substitution degree D1 and a specific 2-naphthoyl group substitution degree D2 and (ii) which has a specific total 2-naphthoyl group substitution degree D3.
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机译:本发明通过使用由至少一种具有特定烷氧基取代基的纤维素衍生物构成的高分子材料(i),可以得到波长分散性,面内相位差,膜厚优异的相差膜。 D 1 Sub>和特定的2-萘甲酰基取代度D 2 Sub>和(ii)具有特定的2-萘甲酰基总取代度D 3 子>。
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