The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2014
Filed:
Dec. 22, 2011
Chyi-ming Leu, Zhudong Township, Hsinchu County, TW;
Chih-cheng Lin, Hsinchu, TW;
Chi-fu Tseng, Taipei, TW;
Hsueh-yi Liao, New Taipei, TW;
Chyi-Ming Leu, Zhudong Township, Hsinchu County, TW;
Chih-Cheng Lin, Hsinchu, TW;
Chi-Fu Tseng, Taipei, TW;
Hsueh-Yi Liao, New Taipei, TW;
Industrial Technology Research Institute, Hsinchu, TW;
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′.