ORGANIC ELECTRONIC DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an electronic device with an improved life span.SOLUTION: An organic electronic device 100 comprises a hole transport layer 130, and a photoactive layer 140 comprising a dopant material and a host material, where each of the materials has an HPLC purity of at least 99.9% and an impurity absorbance of 0.01 or less. The hole transport layer comprises a polymer with a specific structure selected from the group consisting of arylamine polymers and copolymers of fluorene and arylamine monomers.