MATERIAL FOR ELECTRON OR HOLE TRANSPORT LAYER AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To provide the material and the manufacturing method of an electron or hole transport layer.

SOLUTION: The material for a type of electron or hole transport layer includes at least a type of conjugate structure and at least a type of connection structure. The connection structure is either of the following group, that is, urethane and urea structures or their arbitrary combination.

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