Title:
発光装置の作製方法
Document Type and Number:
Japanese Patent JP6503436
Kind Code:
B2
Abstract:
A light-emitting element whose lifetime is improved. In addition, a light-emitting device, a lighting device, and an electronic appliance in which the light-emitting element is used. A light-emitting element including, between an anode and a cathode, a hole-transport layer and a layer containing a light-emitting substance provided to be in contact with a cathode side surface of the hole-transport layer, in which the hole-transport layer includes a first organic compound and an anti-reduction substance, and in which the layer containing a light-emitting substance includes a second organic compound and a light-emitting substance and has at least an electron-transport property is provided. In addition, a light-emitting device including the light-emitting element, or a lighting device or an electronic appliance including the light-emitting device is provided.
Inventors:
Tomoko Shimogaki
Tetsushi Seo
Tetsushi Seo
Application Number:
JP2017205810A
Publication Date:
April 17, 2019
Filing Date:
October 25, 2017
Export Citation:
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
H05B33/10; H01L51/50
Domestic Patent References:
| JP2009026730A | ||||
| JP2006155978A | ||||
| JP2006024791A | ||||
| JP2006261653A |