公开(公告)号：KR100646292B1

公开(公告)日：2006-11-23

申请号：KR1020050091901

申请日：2005-09-30

Applicant: 한국과학기술연구원

Inventor： 김재경 ,  김태호 ,  이행근 ,  박오옥 ,  진병두 ,  이수형 ,  유재웅

IPC: C09K11/06 ,  H05B33/14 ,  B82B3/00

Abstract: Provided is a white electroluminescent device which is improved in the chemical miscibility of a conjugated polymer having a high luminous efficiency and a phosphor, is remarkably lowered in drive voltage and is excellent in color stability. The white electroluminescent device(100) is a polymer-based fluorescent/phosphorescent composite electroluminescent device which comprises a transparent substrate(60); a positive electrode layer(10); a hole transport layer(30); a light emitting layer(50); an electron transport layer(40); and a negative electrode layer(20), wherein the light emitting layer comprises a luminous conjugated polymer; a phosphor; and poly(N-vinyl carbazole) or a blend with its derivative as a luminous unconjugated polymer.

Abstract translation: 本发明提供一种白色电致发光器件，其具有高发光效率和荧光体的共轭聚合物的化学混溶性得到改善，驱动电压显着降低并且颜色稳定性优异。 该白色电致发光器件（100）是一种基于聚合物的荧光/磷光复合电致发光器件，其包括透明基底（60）; 正极层（10）; 空穴传输层（30）; 发光层（50）; 电子传输层（40）; 和负极层（20），其中所述发光层包含发光共轭聚合物; 荧光粉; 和聚（N-乙烯基咔唑）或其衍生物作为发光非共轭聚合物的共混物。