1391996-94-3Relevant articles and documents
Phenantrho imidazole derivatives and their use as electroluminescent materials
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Paragraph 0031; 0034, (2018/02/04)
The invention relates to design and synthesis of an organic electroluminescent blue-light material with phenanthroimidazole and anthracene as the central unit structure and application of the material in a blue organic light-emitting diode (OLED). The material takes phenanthroimidazole as the core. Groups with different electronic properties are bonded at positions C1 and N2, and the glass transition temperature is raised so as to effectively solve carrier injection and realize high efficiency exciton recombination radically, thus further realizing combination of high efficiency light-emitting and energy level adjustment of the material. In addition, polarity of the compound can be adjusted through pushing/pulling an electron group. Compared with the blue fluorescence of common blue fluorescent main material 2-methyl-9, 10-di(naphth-2-yl)anthracene (M-ADN), the OLED has substantial effects in reduction of operating voltage and efficiency enhancement, so that the material provided in the invention can be widely applied in the field of organic electroluminescence.