[EN] 5-SUBSTITUTED 2-PHENYLQUINOLINE COMPLEXES MATERIALS FOR LIGHT EMITTING DIODE [FR] MATÉRIAUX À BASE DE COMPLEXES DE 2-PHÉNYLQUINOLINE SUBSTITUÉE EN POSITION 5 POUR DIODE ÉLECTROLUMINESCENTE
Novel ligands for metal complex compounds that are useful as a phosphorescent emitter in organic light emitting devices that incorporate fluorinated side chains in the ligands are disclosed. Such metal complex has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
Organic electroluminescent compounds, compositions and devices
申请人:Universal Display Corporation
公开号:US10854826B2
公开(公告)日:2020-12-01
An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring. In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
本发明公开了一种有机发光二极管,其有机层含有可用作磷光发射器的金属络合物。金属络合物包括含有氟化侧链的配体,并具有至少一个选自部分氟化烷基、部分氟化环烷基及其组合的取代基 R,其中 R 直接键合到芳香环上。在该化合物中,连接有 F 的 C 与芳香环至少相隔一个碳原子。
Transition metal complex material and application thereof in electronic devices
Disclosed in the present invention are a novel organometallic complex and an application thereof in organic electronic devices, particularly in organic phosphorescent light emitting diodes. The present invention further relates to organic electronic devices, in particular organic light emitting diodes (OLEDs), that comprise the organometallic complex according to the present invention, and an application thereof in display and illumination technologies. By means of optimizing the structure of a device and changing the concentration of the metal complex in a matrix thereof, optimal device performance may be achieved, facilitating the implementation of a high-efficiency, high-brightness and high-stability OLED devices, and providing a better material option for full-color display and illumination applications.