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Patent Searching and Data


Title:
LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, ELECTRONIC EQUIPMENT, AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/123190
Kind Code:
A1
Abstract:
Provided is a light-emitting element having excellent reliability and a low drive voltage. This light-emitting element has an electron injection layer between a negative electrode and a light-emitting layer. The electron injection layer is a mixed film comprising a metal, and an organic compound having a function for tridentate or tetradentate interaction with the metal. The metal atoms and the organic compound form an SOMO.

Inventors:
OHSAWA, Nobuharu (398, Hase, Atsugi-sh, Kanagawa 36, 〒2430036, JP)
SEO, Satoshi (398, Hase, Atsugi-sh, Kanagawa 36, 〒2430036, JP)
KADOMA, Hiroshi (398, Hase, Atsugi-sh, Kanagawa 36, 〒2430036, JP)
Application Number:
IB2018/060157
Publication Date:
June 27, 2019
Filing Date:
December 17, 2018
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LABORATORY CO., LTD. (398 Hase, Atsugi-shi Kanagawa, 36, 〒2430036, JP)
International Classes:
H01L51/50; C07D213/53; C07D401/14; C07D403/14; C07D413/14; H05B33/12; C07F1/08; C07F1/10; C09K11/06
Domestic Patent References:
WO2013137234A12013-09-19
WO2013141097A12013-09-26
WO2018185642A12018-10-11
Foreign References:
CN107464885A2017-12-12
JP2005026221A2005-01-27
EP3107131A12016-12-21
CN104030974A2014-09-10
JP2016152400A2016-08-22
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