-
公开(公告)号:US4717858A
公开(公告)日:1988-01-05
申请号:US819217
申请日:1986-01-15
CPC分类号: C09K11/7731 , H05B33/14 , H05B33/22
摘要: A thin film electroluminescence device comprising an electrode layer, an emitting layer and an electrode layer formed on a substrate one over another, and an insulating layer optionally interposed between the three layers, the emitting layer being made of CaS serving as a host material and doped with Eu.sup.2+ providing luminescent centers.The emitting layer comprising a novel combination of host material and luminescent center produces a red electroluminescence with a high brightness.
摘要翻译: 一种薄膜电致发光器件,包括电极层,发光层和形成在基板上的电极层,以及可选地插入在三层之间的绝缘层,发光层由作为主体材料的CaS制成,掺杂 Eu2 +提供发光中心。 包含主体材料和发光中心的新型组合的发光层产生具有高亮度的红色电致发光。