Invention Grant
US08859715B2 Polyimide polymer solution, polyimide polymer, transparent film, displaying device and solar cell 有权
聚酰亚胺聚合物溶液,聚酰亚胺聚合物,透明膜,显示装置和太阳能电池

Polyimide polymer solution, polyimide polymer, transparent film, displaying device and solar cell
Abstract:
A polyimide polymer solution, a polyimide polymer, a transparent film, a display device and a solar cell are provided. The polyimide polymer has at least one of a repeating unit of formula (D) and a repeating unit of formula (J) and at least one of a repeating unit of formula (Q) and a repeating unit of formula (T). One of B and B′ is cyclo-aliphatic compound, and the other is aromatic compound, a molar mass ratio of the cyclo-aliphatic compound to the aromatic compound is 1˜4, A and A′ are identical or different aromatic diamines, and at least one of A and A′ is aromatic diamine with ether groups, and A could be the same as or different from A′.
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