Patent · US Active

Organic electroluminescent element, material for organic electroluminescent element, light emitting device, display device and lighting device each using said element, and compound used for said element

US11171293B2 · kind B2 · utility

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18Claims

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Assignee

UDC IRELAND LIMITED · IE

Inventors

Yosuke Yamamoto · Takarazuka, JP
Kousuke Watanabe · Ritto, JP
Yuichiro Itai · Yokohama, JP

Key dates

Filing date	Nov 21, 2012
Grant date	Nov 9, 2021
Priority date	—
Expiry date	Jul 8, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

This application relates, in part, to an organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one layer of the organic layer(s) contains a compound represented by the following formula (1). The organic electroluminescent element has low driving voltage and excellent durability.

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