Title:
発光素子、発光装置、電子機器及び照明装置
Document Type and Number:
Japanese Patent JP6815076
Kind Code:
B2
Abstract:
To provide a novel light-emitting element or a highly reliable light-emitting element. To provide a light-emitting device, a display device, an electronic device, and a lighting device each of which can be manufactured at a low cost. To provide a light-emitting element including an anode, a cathode, and an EL layer between the anode and the cathode. The EL layer includes a light-emitting layer and an electron injection transport layer between the light-emitting layer and the cathode, and the amount of a halogen detected from a material forming the electron injection transport layer is less than or equal to 30 ppm.
Inventors:
Tetsushi Seo
Suzuki Tsunetori
Watanabe Gokichi
Kunihiko Suzuki
Toshiki Hamada
Rina Nakamura
Hayato Yamawaki
Ayumu Sato
Harue Osaka
Suzuki Tsunetori
Watanabe Gokichi
Kunihiko Suzuki
Toshiki Hamada
Rina Nakamura
Hayato Yamawaki
Ayumu Sato
Harue Osaka
Application Number:
JP2015210385A
Publication Date:
January 20, 2021
Filing Date:
October 27, 2015
Export Citation:
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
H01L51/50
Domestic Patent References:
| JP2010056526A | ||||
| JP2010103264A | ||||
| JP2014005277A |
Foreign References:
| WO2000041443A1 |