发明名称 |
Optical film and method of manufacturing the same |
摘要 |
Disclosed is an optical film that is manufactured by using longitudinal and uniaxial stretching of an unstretched cycloolefin copolymer film and has an in-plane retardation of 100 to 150 nm and a thickness retardation of 0 to −30 nm at a wavelength of 550 nm, a polarizing plate and a liquid crystal display including the same, and a method of manufacturing the optical film. The method includes longitudinally and uniaxially stretching the unstretched film while a ratio of a width to a length of a stretched portion of the film is controlled. |
申请公布号 |
US8120729(B2) |
申请公布日期 |
2012.02.21 |
申请号 |
US20070515671 |
申请日期 |
2007.11.20 |
申请人 |
CHOI JEONG-MIN;KIM KYUNG-SIK;LEE MIN-HEE;UM JUN-GEUN;KWAK SANG-MIN;LG CHEM, LTD. |
发明人 |
CHOI JEONG-MIN;KIM KYUNG-SIK;LEE MIN-HEE;UM JUN-GEUN;KWAK SANG-MIN |
分类号 |
G02F1/1335 |
主分类号 |
G02F1/1335 |
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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