发明名称 |
Oxadiazole derivative, light-emitting element, display device, lighting device, and electronic device |
摘要 |
Provided is a bipolar substance having high excitation energy, in particular, high triplet-excitation energy. An oxadiazole derivative represented by General Formula (G1) below is provided In the formula, Ar represents a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R1 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. R2 represents hydrogen, an alkyl group having 1 to 4 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 10 carbon atoms in a ring. |
申请公布号 |
US8273898(B2) |
申请公布日期 |
2012.09.25 |
申请号 |
US20100730287 |
申请日期 |
2010.03.24 |
申请人 |
NOMURA HIROKO;KAWAKAMI SACHIKO;OHSAWA NOBUHARU;SEO SATOSHI;SEMICONDUCTOR ENERGY LABORATORY CO., LTD. |
发明人 |
NOMURA HIROKO;KAWAKAMI SACHIKO;OHSAWA NOBUHARU;SEO SATOSHI |
分类号 |
C07D271/10;B32B9/00;H01J1/62 |
主分类号 |
C07D271/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|