Organic compound taking fluorene as core and application of organic compound

An organic compound, an organic technology, applied to the application of organic electroluminescent devices, in the field of organic compounds, can solve problems such as performance differences, achieve three-dimensional structure stability, improve material stability, and improve current efficiency and life.
CN107417486AInactive Publication Date: 2017-12-01JIANGSU SUNERA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU SUNERA TECH CO LTD
Publication Date
2017-12-01
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an organic compound taking fluorene as a core and application of the organic compound in an OLED (Organic Light Emission Diodes) device. The compound is of a structure that the fluorene is connected with a dibenzo five-membered ring combination structure by a carbon-carbon bond; by carbon-carbon bond connection, not only is the chemical stability of a material improved, but also an active position of a branch chain group is prevented from being exposed, and moreover, a whole molecule is of a bigger rigid structure and has a high triplet state energy level (T1); in addition, steric hindrance is great, rotation is not easy, and a three-dimensional space structure is more stable, so the compound has higher glass-transition temperature and molecular heat stability; besides, distribution positions of HOMO and LUMO of the compound are separated from each other, so that the compound has proper HOMO and LUMO energy levels; therefore, after the compound is applied to the OLED device, the luminous efficiency and the service life of the device can be effectively improved and prolonged.
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Description

technical field

[0001] The invention relates to the technical field of semiconductors, in particular to an organic compound with fluorene as the core and its application in organic electroluminescent devices. Background technique

[0002] Organic electroluminescent (OLED: Organic Light Emission Diodes) device technology can be used to manufacture new display products and also can be used to make new lighting products, which is expected to replace the existing liquid crystal display and fluorescent lighting, and has a wide application prospect. The OLED light-emitting device is like a sandwich structure, including electrode material film layers and organic functional materials sandwiched between different electrode film layers. Various functional materials are superimposed on each other according to the application to form an OLED light-emitting device. OLED light-emitting devices are current devices. When a voltage is applied to the electrodes at both ends, and the positive ...

Claims

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