Patent ID: 8999476
Filing Date: 2015-04-07
Classification: C09K,H01L,Y10T

Abstract:
1. A red phosphorescent composition comprising: a host material being capable of transporting an electrode or a hole; and a dopant material represented by Formula 1: wherein each of R1 to R4 is selected from the group consisting of hydrogen atom (H) and non-substituted C1 to C6 alkyl, and at least one of R1 to R3 is non-substituted C1 to C6 alkyl, wherein two of R5 to R7 are selected from the group consisting of halogen atom and non-substituted C1 to C6 alkyl, provided at least one is halogen, and one of R5 to R7 is hydrogen atom, and wherein each of X and Y is selected from the group consisting of H, non-substituted C1 to C6 alkyl and C1 to C6 alkyl substituted by fluorine.