Patent number: 7973126
Abstract: Polymers including at least one structural unit derived from a compound of formula I or including at least one pendant group of formula II may be used in optoelectronic devices wherein R1, R3, R4 and R6 are independently hydrogen, alkyl, alkoxy, oxaalkyl, alkylaryl, aryl, arylalkyl, heteroaryl, substituted alkyl; substituted alkoxy, substituted oxaalkyl, substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted heteroaryl; R1a is hydrogen or alkyl; R2 is alkylene, substituted alkylene, oxaalkylene, CO, or CO2; R2a is alkylene; R5 is independently at each occurrence hydrogen, alkyl, alkylaryl, aryl, arylalkyl, alkoxy, carboxy, substituted alkyl; substituted alkylaryl, substituted aryl, substituted arylalkyl, or substituted alkoxy, X is halo, triflate, —B(OR1a)2, or ?located at the 2, 5- or 2, 7-positions; and L is derived from phenylpyridine, tolylpyridine, benzothienylpyridine, phenylisoquinoline, dibenzoquinozaline, fluorenylpyridine, ketopyrrole, 2-(1-naphthyl)benzo
Type:
Grant
Filed:
December 17, 2007
Date of Patent:
July 5, 2011
Assignee:
General Electric Company
Inventors:
Joseph John Shiang, Kelly Scott Chichak, James Anthony Cella, Larry Neil Lewis, Kevin Henry Janora