CN115088089A - 有机电致发光器件和显示装置 - Google Patents
有机电致发光器件和显示装置 Download PDFInfo
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- CN115088089A CN115088089A CN202080003698.6A CN202080003698A CN115088089A CN 115088089 A CN115088089 A CN 115088089A CN 202080003698 A CN202080003698 A CN 202080003698A CN 115088089 A CN115088089 A CN 115088089A
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- Electroluminescent Light Sources (AREA)
Abstract
一种有机电致发光器件(310),包括阳极(301)、阴极(303),设于阳极(301)和阴极(303)之间的发光层(302),以及设于发光层(302)的朝向阳极(301)一侧的电子阻挡层(306);发光层(302)包括主体材料和掺杂材料,主体材料包括N型材料和P型材料;电子阻挡层(306)的材料与N型材料满足:2.75eV≤│LUMON‑host‑HOMOEBL│<3.05eV;0.3<│HOMON‑host‑HOMOEBL│≤1eV,且│HOMOEBL│<│HOMON‑host│;电子阻挡层(306)的材料与N型材料形成的激基复合物的发光光谱曲线的峰值波长与掺杂材料的吸收光谱曲线的吸收带边波长的差值为△λ,△λ>30nm。
Description
PCT国内申请,说明书已公开。
Claims (14)
- PCT国内申请,权利要求书已公开。
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