Patent ID: 9214636
Filing Date: 2015-12-15
Classification: C09K,H01L,H05B

Abstract:
1. An organic electroluminescence device which emits blue fluoresence, comprising: a cathode; an anode; and an organic thin film layer interposed between the cathode and the anode; wherein: the organic thin film layer comprises at least one layer comprising at least one light emitting layer; the light emitting layer comprises: (A) at least one fused ring-containing compound represented by formula (3′a): wherein Ar adjacent substituents may be bonded to each other to form a saturated or unsaturated cyclic structure provided that Ar R and (B) 0.01 to 20 wt % of at least one compound selected from group represented by formula (1b): wherein X X provided that: the substituted or unsubstituted aryl group having 6 to 20 carbon atoms is not represented by formula (1 b); and wherein X a case where both X wherein adjacent X wherein X wherein X