872050-52-7Relevant articles and documents
Pyrene structure-containing compound, and organic luminescent device thereof
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, (2019/01/21)
The invention discloses a pyrene structure-containing compound, and an organic luminescent device thereof. The pyrene structure-containing compound is formed through combination of a pyrene ring structure with a fluorene alkenyl; on one hand, a foldable three dimensional structure is achieved, so that certain distortion of the pyrene structure-containing compound in the space three-dimensional structure is realized, and the film forming performance is improved; on the other hand, the pyrene structure possesses relatively high triplet state energy level and relatively wide energy gap, and excellent blue light performance, when the pyrene ring structure is connected with fluorene alkenyl with electron withdrawing performance, green light or red light is emitted after bathochromic shift. Thepyrene structure-containing compound possesses appropriate HOMO and LUMO values, is capable of blocking transmission from cavities to electron transmission layers, and improving effective luminescence. When the pyrene structure-containing compound is applied in organic luminescent devices, the pyrene structure-containing compound is taken as a luminescent layer or a cavity blocking layer, low driving voltage and high luminescent efficiency of the organic luminescent devices are achieved.
FLUORENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME
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Page/Page column 51, (2008/06/13)
Disclosed is a fluorene derivative having a specific structure. Also disclosed is an organic electroluminescent device having high luminous efficiency wherein an organic thin film layer composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. At least one layer of the organic thin film layer contains the fluorene derivative of the specific structure alone or as a component of a mixture. Such an organic electroluminescent device with high luminous efficiency can be realized by this fluorene derivative.