Patent ID: 9410080
Filing Date: 2016-08-09
CPC Classification: C09B,C09K,H05B,Y10S

Claim Text:
1. An organic electroluminescent device comprising a pair of electrodes comprising an anode and a cathode, and one or more layers of organic compound disposed between the electrodes, wherein at least one layer comprises a polymer of general formula (1); wherein the polymer comprises X 1 , Y 1 , Y 2 , and Y 3 in which X n1, n2, n3 are valency units; X n2 is an integer from 1 to 4, n3 is an integer from 0 to 4; and n1 is equal to or greater than n2, which in turn is equal to or greater than n3; and wherein Y 1 , Y 2 , and Y 3 are of formula (2a), (2b), and (2c), respectively: wherein Y Y Y X m