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发明申请
US20120056211A1 POLARIZING FILM, OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, STRETCHED LAMINATE FOR USE IN PRODUCTION OF OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, PRODUCTION METHODS FOR THEM, AND ORGANIC EL DISPLAY DEVICE HAVING POLARIZING FILM 有权
偏光膜，包括偏光膜的光学薄膜层压板，用于生产包括极化膜的光学薄膜层压板的拉伸层压板，它们的生产方法以及具有极化膜的有机EL显示装置

POLARIZING FILM, OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, STRETCHED LAMINATE FOR USE IN PRODUCTION OF OPTICAL FILM LAMINATE INCLUDING POLARIZING FILM, PRODUCTION METHODS FOR THEM, AND ORGANIC EL DISPLAY DEVICE HAVING POLARIZING FILM
摘要：
Provided is a continuous web of polarizing film for an organic EL display device which has a thickness of 10 μm or less and exhibits high optical characteristics. The polarizing film for an organic EL display device is made of a polyvinyl alcohol type resin having a molecularly oriented dichroic material, and formed through stretching to have a thickness of 10 μm or less and exhibit optical characteristics satisfying the following conditions: T≧42.5; and P≧99.5, wherein T is a single layer transmittance, and P is a polarization rate. The polarizing film for an organic EL display device may be prepared by subjecting a laminate comprising a non-crystallizable ester type thermoplastic resin substrate and the polyvinyl alcohol type resin layer formed on the substrate, to 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching.
摘要（中）：

本发明提供一种厚度为10μm以下并具有高光学特性的有机EL显示装置用连续的偏光片。 用于有机EL显示装置的偏振膜由具有分子取向的二色性材料的聚乙烯醇型树脂制成，并且通过拉伸形成为具有10μm以下的厚度，并且具有满足以下条件的光学特性：T≥42.5; 并且P≥99.5，其中T是单层透射率，P是极化率。 用于有机EL显示装置的偏光膜可以通过将包含不可结晶的酯型热塑性树脂基材的层压体和形成在基材上的聚乙烯醇型树脂层进行2段拉伸，由初步的空气中拉伸 和硼酸溶液拉伸。

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