Invention Application
- Patent Title: LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME
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Application No.: US17722378Application Date: 2022-04-17
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Publication No.: US20230113852A1Publication Date: 2023-04-13
- Inventor: Jongwon LEE , Seungcheol Kim , Heungsu Park , Changmin Lee , Hyunshik Lee
- 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: KR10-2021-0108176 20210817
- Main IPC: H01L51/50
- IPC: H01L51/50 ; H01L51/00

Abstract:
A light-emitting device including: m emitting units located between a first electrode and a second electrode; and m−1 charge generation units, each located between two neighboring emitting units among the m emitting units and including an n-type charge generation layer and a p-type charge generation layer. The m emitting units may each include an emission layer, at least one of the m emission layers comprises a first emission layer and a second emission layer that are in contact with each other, the first emission layer includes a first host, a second host, and a first dopant, the second emission layer includes a third host, a fourth host, and a second dopant, the first host and the second host form a first exciplex, the third host and the fourth host form a second exciplex, and the first dopant is a delayed fluorescence dopant, and the second dopant is a phosphorescent dopant.
Information query
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