Composition and organic electroluminescent element containing same
A composition and organic compound technology, applied in electrical components, electrical solid devices, circuits, etc., can solve the problems of easy crystallization of organic materials, affect the life and efficiency of devices, and short service life, and achieve extended operating life and good heat. The effect of improving stability and current efficiency
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[0129] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0130] In a preferred embodiment of the present invention, the OLED device of the present invention contains a hole transport layer, and the hole transport material can be preferably selected from known or unknown materials, particularly preferably selected from the following structures, but does not represent the present invention Limited to the following structures:
[0131]
[0132] In a preferred embodiment of the present invention, the hole transport layer contained in the OLED device of the present invention comprises one or more p-type dopants. The preferred p-type dopant of the present invention is the foll...
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