- 专利标题: Light emitting device
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申请号: US16500903申请日: 2018-04-20
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公开(公告)号: US11588119B2公开(公告)日: 2023-02-21
- 发明人: Toshiaki Sasada , Rei Okamura
- 申请人: Sumitomo Chemical Company, Limited
- 申请人地址: JP Tokyo
- 专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人地址: JP Tokyo
- 代理机构: Panitch Schwarze Belisario & Nadel LLP
- 优先权: JPJP2017-088011 20170427
- 国际申请: PCT/JP2018/016310 WO 20180420
- 国际公布: WO2018/198975 WO 20181101
- 主分类号: H01L51/00
- IPC分类号: H01L51/00 ; C09K11/06 ; H01L51/50
摘要:
A light emitting device having excellent luminance life contains an anode, a cathode, a first organic layer disposed between the anode and the cathode and a second organic layer disposed between the anode and the cathode. The first organic layer contains a compound represented by the formula (C-1), and the second organic layer contains a compound represented by the formula (C-1) and a cross-linked body of a crosslinkable material. Ring R1C and Ring R2C represent an aromatic hydrocarbon ring or an aromatic hetero ring and RC represents an oxygen atom, a sulfur atom or a group represented by the formula (C′-1). Ring R3C and Ring R4C represent an aromatic hydrocarbon ring or an aromatic hetero ring and RC′ represents a carbon atom, a silicon atom, a germanium atom, a tin atom or a lead atom.
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