发明名称 |
Light emitting materials comprising novel ortho-metalated transition metal complexes |
摘要 |
This invention pertains to light emitting materials comprising novel ortho-metalated transition metal complexes [C^N]2ML comprising two orthometalated ligands having imidazole moieties and an ancillary ligand of beta-diketonate type. The ortho-metalated transition metal complexes are represented by formula (I): It has been surprisingly found that when the metal has bound thereto both orthometalated ligands comprising imidazole moieties and an ancillary ligand of beta-diketonate type, the ligands advantageously participate in the emission process, significantly broadening emission in the visible region and enabling appreciable improvement of the white emission efficiency of complexes [C^N]2ML. Additional objects of the invention are the use of the light emitting materials and organic light emitting device comprising the light emitting material.
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申请公布号 |
US8518557(B2) |
申请公布日期 |
2013.08.27 |
申请号 |
US20070444793 |
申请日期 |
2007.10.11 |
申请人 |
NAZEERUDDIN MOHAMMAD KHAJA;KLEIN CEDRIC;GRAETZEL MICHAEL;SOLVAY (SOCIETE ANONYME) |
发明人 |
NAZEERUDDIN MOHAMMAD KHAJA;KLEIN CEDRIC;GRAETZEL MICHAEL |
分类号 |
H01L51/54;C09K11/06 |
主分类号 |
H01L51/54 |
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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