Polyaza-spirobifluorene compound and organic optoelectronic device using the same

A compound, azaspiro technology, applied in the field of organic optoelectronics, to achieve the effect of improving efficiency, simplifying structure, and improving luminous efficiency
CN108997342APending Publication Date: 2018-12-14SHANGHAI FUTURE OPTOETECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANGHAI FUTURE OPTOETECH CO LTD
Publication Date
2018-12-14

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Abstract

The invention provides a polyaza-spirobifluorene compound and its use in an organic optoelectronic device. The polyaza-spirobifluorene compound has a chemical formula (1). The polyaza-spirobifluorenecompound can be used as an electron transport material, an electron injecting material and a hole blocking material in organic photoelectric devices especially such as organic electroluminescent devices (OLEDs), organic field-effect transistors (OFETs) and organic solar cells. The polyaza-spirobifluorene compound also can be used as a host material or an illuminant material in an OLED. The polyaza-spirobifluorene compound has an adjustable energy level, good compatibility with other functional layer materials, a high glass transition temperature, good thermal and light stability and a tripletenergy level meeting exciton binding requirements, improves the efficiency of the organic electroluminescent devices (OLEDs), reduces the operating voltage of OLED, prolongs the service life of OLED and has a good application prospect.
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Description

technical field

[0001] The invention belongs to the field of organic photoelectric technology, in particular to a polyazaspirobifluorene compound and an organic photoelectric device containing the compound. Background technique

[0002] Among organic optoelectronic devices, especially organic electroluminescent devices (OLEDs), organic field effect transistors (OFETs), and organic solar cells (OPVs), many scientists and industries have been researched. Among them, OLED or diode, as a new generation of flat-panel display technology, has gradually entered people's field of vision. Its wide application prospects and rapid technological advancement in recent years have made OLED one of the most popular researches in the field of flat-panel information display and scientific research product development.

[0003] The research on organic electroluminescent materials began in the 1960s. Until 1987, Tang et al. made organic electroluminescent devices for the first time, and organic ...

Claims

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