Organic electroluminescent device

摘要

PCT No. PCT/EP95/03127 Sec. 371 Date Mar. 10, 1997 Sec. 102(e) Date Mar. 10, 1997 PCT Filed Aug. 7, 1995 PCT Pub. No. WO96/05266 PCT Pub. Date Feb. 22, 1996An organic electroluminescence device comprising an anode, an organic hole transport layer, an organic emission layer and a cathode layered in this order on a substrate, or, optionally, comprising an additional electron transport layer between the organic emission layer and the cathode, wherein the organic emission layer comprises a benzoxazinone derivative represented by formula (1), wherein R1 is a specific acyl group or sulfonyl group, and R2 and R3 are specific substituents.