Invention Grant
- Patent Title: Organic electroluminescence device and spiro compound for organic electroluminescence device
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Application No.: US17293309Application Date: 2019-04-15
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Publication No.: US12108667B2Publication Date: 2024-10-01
- 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
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: KR 20180162223 2018.12.14
- International Application: PCT/KR2019/004532 2019.04.15
- International Announcement: WO2020/122327A 2020.06.18
- Date entered country: 2021-05-12
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H10K85/40 ; H10K85/60 ; H10K50/11 ; 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.
Public/Granted literature
- US20210408397A1 ORGANIC ELECTROLUMINESCENCE DEVICE AND SPIRO COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2021-12-30
Information query
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