| 摘要 |
A retarder includes a transparent support substrate, a prism layer including a plurality of microprisms arranged on one of main surfaces of the transparent support substrate, where each of the microprisms has a sloped prism face formed at the same slope angle with respect to the one main surface in the same direction, an optical anisotropic medium layer disposed on the sloped prism face so that an optic axis of the optical anisotropic medium layer is directed in one of a direction of the maximum sloped prism face of the microprisms and a direction perpendicular to the direction of the maximum sloped prism face, and a planarizing layer disposed on the transparent support substrate so as to embed the optical anisotropic medium layer therein. The planarizing layer is formed from a material having an index of refraction that is substantially the same as that of the microprisms.
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