- 专利标题： Light-emitting device
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申请号： US17004540申请日： 2020-08-27
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公开(公告)号： US11895855B2公开(公告)日： 2024-02-06
- 发明人: YongChurl Kim
- 申请人： Samsung Electronics Co., Ltd.
- 申请人地址： KR Suwon-si
- 专利权人： SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人： SAMSUNG ELECTRONICS CO., LTD.
- 当前专利权人地址： KR Gyeonggi-Do
- 代理机构： CANTOR COLBURN LLP
- 优先权： KR 20190106641 2019.08.29 KR 20200069843 2020.06.09
- 主分类号： H01L29/78
- IPC分类号： H01L29/78 ; H10K50/11 ; C07F7/24 ; C09K11/06 ; H10K50/13 ; H10K85/30 ; H10K50/15 ; H10K50/16 ; H10K101/40
摘要：
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.
公开/授权文献
- US20210066635A1 LIGHT-EMITTING DEVICE 公开/授权日：2021-03-04
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