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Invention Publication
CN102066994A 光学膜 失效 - 权利终止 复审申请

光学膜
Abstract:
本发明公开了一种光学膜，所述光学膜包括反射型偏振片和拉伸聚合物膜。所述拉伸聚合物膜被层合到所述反射型偏振片上，并且所述拉伸聚合物膜在平行于最大拉伸方向的入射平面内在空气中的入射角为至少约60度处显示具有折射率对称点。
Abstract(English):

An optical film that includes a reflective polarizer and a stretched polymer film is disclosed. The stretched polymer film is laminated to the reflective polarizer, and the stretched polymer film exhibits a refractive index symmetry point at an angle of incidence in air of at least about 60 degrees in a plane of incidence parallel to a direction of greatest stretch.

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