Patent · US Active

Compound, preparation method thereof and organic light emitting display device

US10759802B2 · kind B2 · utility

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0References

12Claims

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Assignee

Shanghai Tianma AM-OLED Co., Ltd. · CN

Inventors

Zhengchuan Zhang · 红钢城街道, CN
Hao Dai · 红钢城街道, CN
Defeng Bi · Shanghai, CN

Key dates

Filing date	Nov 5, 2017
Grant date	Sep 1, 2020
Priority date	—
Expiry date	Oct 12, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K59/805
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present disclosure relates to the field of technology of an OLED material and a device having the same, and particularly to a compound, a preparation method thereof and an organic light emitting display device, wherein the compound has a structure expressed by formula (I).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.