发明名称 |
Pyran derivative |
摘要 |
A light-emitting compound that can be easily applied to vacuum vapor deposition and exhibit long wavelength light is disclosed. Further, a light-emitting element without inferior luminescence properties due to the carbonization of a light-emitting compound during vapor deposition; and a light-emitting device that is composed of the light-emitting elements are also disclosed. A pyran derivative is represented by the following general formula 1: wherein R<SUP>1 </SUP>is a hydrogen element or an alkoxy group.
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申请公布号 |
US7217465(B2) |
申请公布日期 |
2007.05.15 |
申请号 |
US20040968778 |
申请日期 |
2004.10.19 |
申请人 |
SEMICONDUTOR ENERGY LABORATORY CO., LTD. |
发明人 |
YAMAGATA SACHIKO;ABE HIROKO;OHSAWA NOBUHARU;NOMURA RYOJI;SEO SATOSHI |
分类号 |
H01L51/50;H05B33/14;C07D405/14;C07D471/06;C07D519/00;C09K11/06;G09F9/30;H01L51/00 |
主分类号 |
H01L51/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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