Invention Application
- Patent Title: ORGANIC ELECTROLUMINESCENCE DEVICE AND SPIRO COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
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Application No.: US18818489Application Date: 2024-08-28
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Publication No.: US20240431203A1Publication Date: 2024-12-26
- Inventor: Seulong KIM , Kyungsik KIM , Sungwook KIM , Sung-Soo BAE , Jaeweon HUR
- Applicant: Samsung Display Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung Display Co., Ltd.
- Current Assignee: Samsung Display Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Priority: KR10-2018-0162223 20181214
- Main IPC: H10K85/60
- IPC: H10K85/60 ; H10K50/11 ; H10K85/40 ; H10K101/10

Abstract:
An organic electroluminescence device of an embodiment 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 spiro compound containing an aryl amine group and an indenoindole derivative, thereby showing high emission efficiency and the emission layer emits green light.
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