US 12,227,619 B2
Polyimide based copolymer and electronic component and field effect transistor comprising the same
Wen-Chang Chen, Taipei (TW); Mitsuru Ueda, Taipei (TW); Chun-Kai Chen, Taipei (TW); and Yan-Cheng Lin, Taipei (TW)
Assigned to NATIONAL TAIWAN UNIVERSITY, Taipei (TW)
Filed by National Taiwan University, Taipei (TW)
Filed on Jun. 11, 2021, as Appl. No. 17/345,687.
Claims priority of application No. 109119682 (TW), filed on Jun. 11, 2020.
Prior Publication US 2021/0395457 A1, Dec. 23, 2021
Int. Cl. C08G 73/10 (2006.01); H01L 29/786 (2006.01)
CPC C08G 73/1007 (2013.01) [C08G 73/105 (2013.01); C08G 73/1064 (2013.01); C08G 73/1085 (2013.01); H01L 29/78603 (2013.01)] 4 Claims
 
1. A polyimide-based copolymer, including a copolymer of dianhydride and heterocyclic diamine, wherein the heterocyclic diamine has two benzene rings, and there are two ether bonds, two thioether bonds, or one ether bond and one thioether bond between the two benzene rings,
wherein the polyimide-based copolymer has a structure of formula (I):

OG Complex Work Unit Chemistry
wherein m and n each independently represent the number of moles, and the molar ratio of m:n is 7:3 to 3:7.