ELLIPTIC POLARIZING PLATE AND VERTICALLY ALIGNED LIQUID CRYSTAL DISPLAY USING THE SAME |
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| 申请号 | EP07831188 | 申请日 | 2007-10-30 | 公开(公告)号 | EP2083290A4 | 公开(公告)日 | 2012-02-08 |
| 申请人 | NIPPON OIL CORP; | 发明人 | UESAKA TETSUYA; IKEDA SATORU; | ||||
| 摘要 | An elliptical polarizer with excellent viewing angle characteristics is provided which comprises at least a first polarizer, a first optical anisotropic layer, a second optical anisotropic layer, and a third optical anisotropic layer, laminated in this order, wherein the first optical anisotropic layer satisfies [1] 50‰¤Re1‰¤500, the second optical anisotropic layer satisfies [2] 0‰¤Re2‰¤20 and [3] -500‰¤Rth2‰¤-30, and the third optical anisotropic layer satisfies [4] 100‰¤Re3‰¤180 wherein Re and Rth indicate the retardation values in the plane and thickness direction, respectively, of each of the optical anisotropic layers. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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