Invention Grant
- Patent Title: Light-emitting device
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Application No.: US17004540Application Date: 2020-08-27
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Publication No.: US11895855B2Publication Date: 2024-02-06
- Inventor: YongChurl Kim
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Gyeonggi-Do
- Agency: CANTOR COLBURN LLP
- Priority: KR 20190106641 2019.08.29 KR 20200069843 2020.06.09
- Main IPC: H01L29/78
- IPC: H01L29/78 ; H10K50/11 ; C07F7/24 ; C09K11/06 ; H10K50/13 ; H10K85/30 ; H10K50/15 ; H10K50/16 ; H10K101/40
Abstract:
A light-emitting device comprising: a first electrode, a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode; and a first charge transport layer disposed between the first electrode and the emission layer, wherein a band gap energy of the emission layer and a band gap energy of the first charge transport layer are different from each other, the emission layer comprises a first perovskite compound, and the first charge transport layer consists of a second perovskite compound.
Public/Granted literature
- US20210066635A1 LIGHT-EMITTING DEVICE Public/Granted day:2021-03-04
Information query
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