Title:
ELECTRONIC DEVICE, LIGHT EMITTING DEVICE, LIGHT EMITTING APPARATUS, ELECTRONIC DEVICE, AND LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2019114780
Kind Code:
A
Abstract:
To provide a novel light emitting device or a light-emitting device with a long lifetime, or, to provide a light emitting device with good luminous efficiency.SOLUTION: The electronic device includes: an organic compound; and a composite material including a substance having an acceptor property in the organic compound as a hole injection layer. The hole injection layer is formed of two or more layers. The electronic device includes a composite material made of the organic compound having a deep HOMO level and a substance having an acceptor property as the hole injection layer on the most anode side.SELECTED DRAWING: Figure 1
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Inventors:
WATABE GOKICHI
OSAWA NOBUHARU
SEO TETSUSHI
OSAWA NOBUHARU
SEO TETSUSHI
Application Number:
JP2018205169A
Publication Date:
July 11, 2019
Filing Date:
October 31, 2018
Export Citation:
Assignee:
SEMICONDUCTOR ENERGY LAB CO LTD
International Classes:
H01L51/50; F21S2/00; F21S6/00; F21S8/02; F21V23/00; G09F9/30; H01L27/32
Domestic Patent References:
| JP2013179366A | 2013-09-09 | |||
| JP2013539584A | 2013-10-24 | |||
| JP2009048837A | 2009-03-05 | |||
| JP2012039145A | 2012-02-23 |
Foreign References:
| WO2014017484A1 | 2014-01-30 |