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Home › Polymide photo alignment film from 3,3′,4,4′-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays

Polymide photo alignment film from 3,3′,4,4′-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays

US Patent 6348245 · Granted Feb 19, 2002

Estimated economic value: $62,421,000 ⓘ

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