Title:
ORGANIC EL ELEMENT MATERIAL, ORGANIC EL ELEMENT, DISPLAY DEVICE, AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/181197
Kind Code:
A1
Abstract:
This organic EL element material is represented by general formula (1). In general formula (1), any one of X1-X3 is a nitrogen atom, and the others are methine groups. L1 represents a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthylene group, or a substituted or unsubstituted anthrylene group, and L2 represents a single bond, a substituted or unsubstituted phenylene group, a substituted or unsubstituted naphthylene group, or a substituted or unsubstituted anthrylene group. However, if said groups are to be substituted, the substituent group is an alkyl group or an alkoxy group. "A" represents a phenyl group or a pyridyl group, and n represents 0 or 1. Provided is an organic EL element that has excellent light emission efficiency and fatigue life.
Inventors:
TOKUDA TAKASHI (JP)
OKANO TSUBASA (JP)
NAGAO KAZUMASA (JP)
OKANO TSUBASA (JP)
NAGAO KAZUMASA (JP)
Application Number:
PCT/JP2022/003268
Publication Date:
September 01, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C07D471/04; H01L51/50; H01L27/32; H05B33/12
Domestic Patent References:
| WO2020218648A1 | 2020-10-29 | |||
| WO2019093547A1 | 2019-05-16 |
Foreign References:
| KR102020842B1 | 2019-09-11 | |||
| JP2020508580A | 2020-03-19 | |||
| JP2020509586A | 2020-03-26 | |||
| JP2019096823A | 2019-06-20 | |||
| JP2019161218A | 2019-09-19 | |||
| KR20190053562A | 2019-05-20 | |||
| KR20190053354A | 2019-05-20 | |||
| KR20200064423A | 2020-06-08 | |||
| JP2009130141A | 2009-06-11 |
Other References:
CHIHAYA ADACHIHIROSHI FUJIMOTO: "State-of-the-Art Organic EL", CMC PUBLISHING CO, pages: 87 - 103
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