Patent ID: 11897896
Assignee: BEIJING SUMMER SPROUT TECHNOLOGY CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 14:
15. The electroluminescent device according to claim 13, wherein the organic layer is a hole injection layer, and the hole injection layer is formed from the compound comprising a dopant which comprises at least one hole transporting material; wherein the hole transporting material comprises a compound having a triarylamine unit, a spirobifluorene compound, a pentacene compound, an oligothiophene compound, an oligophenyl compound, an oligophenylene vinyl compound, an oligofluorene compound, a porphyrin complex or a metal phthalocyanine complex, wherein the molar doping ratio of the compound to the hole transporting material is from 10000:1 to 1:10000; preferably, the molar doping ratio of the compound to the hole transporting material is from 10:1 to 1:100.