Organic light emitting device and preparation and use thereof

摘要

An organic light-emitting device having a light-emitting layer contains the polymer comprising a repeating unit of the formula: -Z-(X-Y)n-(I) wherein n is at least 2; X is O, S, Se or Te; Y is an aromatic or substituted aromatic group; Z is a group containing an imide circle and also having the carrier transport layer and/or the light receiving layer contain the polymer comprising a repeating unit of the following formula: -(X-Y)n-(II) wherein n is at least 2; X is O, S, Se or Te; Y is an aromatic or substituted aromatic group, which is used for a display or a light spatial modulator or an optical neural network system.