ORGANIC ELECTROLUMINESCENCE DEVICE AND HETEROCYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:EP4029864A1
公开(公告)日:2022-07-20
An organic electroluminescence device and a heterocyclic compound are disclosed herein. The device includes a first electrode; a hole transport region on the first electrode; an emission layer on the hole transport region; an electron transport region on the emission layer; and a second electrode on the electron transport region, wherein the emission layer includes a heterocyclic compound that includes a nitrogen-containing monocycle, at least one linker, and two or more carbazole moieties. The at least one linker is a substituted or unsubstituted dibenzofuran group or a substituted or unsubstituted dibenzothiophene group, and at least one of the carbazole moieties and the nitrogen-containing monocycle are bonded to the at least one linker in an ortho relationship.
本文公开了一种有机电致发光器件和一种杂环化合物。该装置包括第一电极;第一电极上的空穴传输区;空穴传输区上的发射层;发射层上的电子传输区;以及电子传输区上的第二电极,其中发射层包括杂环化合物,该杂环化合物包括含氮单环、至少一个连接体以及两个或多个咔唑分子。至少一个连接体是取代或未取代的二苯并呋喃基团或取代或未取代的二苯并噻吩基团,至少一个咔唑分子和含氮单环以正交关系键合到至少一个连接体上。