Invention Grant
- Patent Title: Organic electroluminescence device
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Application No.: US16594683Application Date: 2019-10-07
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Publication No.: US11437597B2Publication Date: 2022-09-06
- Inventor: Jin-O Lim , Seunggak Yang , Samil Kho
- 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: H.C. Park & Associates, PLC
- Priority: KR10-2018-0137571 20181109
- Main IPC: H01L51/00
- IPC: H01L51/00 ; C07F15/00 ; H01L51/50 ; H01L27/32

Abstract:
An organic electroluminescence device includes a first electrode, a hole transport region disposed on the first electrode, a first emission layer disposed on the hole transport region and including a first light-emitting host and a first light-emitting dopant, a second emission layer disposed on the first emission layer and including a first electron transport material and a second light-emitting dopant, an electron transport region disposed on the second emission layer and including a second electron transport material, and a second electrode disposed on the electron transport region, wherein a triplet energy of the first light-emitting host (T1a), a triplet energy of the second light-emitting dopant (T1b) and a triplet energy of the second electron transport material (T1c) satisfy a relation of T1a
Public/Granted literature
- US20200152902A1 ORGANIC ELECTROLUMINESCENCE DEVICE Public/Granted day:2020-05-14
Information query
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