| 发明名称 |
OPTICAL FILM, POLARIZING PLATE, AND LIQUID CRYSTAL DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical film having a hue favorable as a protection film for a polarizing plate and excellent long term storage stability; the polarizing plate using the same; and a liquid crystal display device. <P>SOLUTION: The optical film contains a UV absorbing agent expressed by general formula (1), wherein R<SB>1</SB>and R<SB>2</SB>are each hydrogen atom or substituted or unsubstituted 1-20C alkyl group; and R<SB>3</SB>and R<SB>4</SB>are each hydrogen atom or halogen atom; and L is 1-4C alkylene group. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2007108775(A) |
申请公布日期 |
2007.04.26 |
| 申请号 |
JP20060333016 |
申请日期 |
2006.12.11 |
| 申请人 |
KONICA MINOLTA HOLDINGS INC |
发明人 |
TAKADA MASATO;MICHIHASHI ISAMU;SAITO KOICHI;TACHIBANA NORIKI;UEDA HIROKO |
| 分类号 |
G02B5/30;B32B27/18;C08K5/3475;C08L1/10;G02F1/1335 |
主分类号 |
G02B5/30 |
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