Title:
電界発光素子
Document Type and Number:
Japanese Patent JP6369747
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an electroluminescence element, having a long life, driven with a low voltage, by improving an injection barrier of holes and electrons from a hole injection layer to an electron injection layer.SOLUTION: The electroluminescence element includes a plurality of laminated organic layers containing at least one light-emitting layer between a pair of electrodes composed of a positive electrode and a negative electrode. By making a main material for carrier transportation at each organic layer to all be an anthracene derivative, a carrier injection barrier between respective organic layers may be improved and the electroluminescence element, having a long life, driven with a low voltage, may be provided.
Inventors:
Miki Osawa
Akira Ebisawa
Naoko Yauchi
Junichi Hoshino
Akira Ebisawa
Naoko Yauchi
Junichi Hoshino
Application Number:
JP2014082630A
Publication Date:
August 08, 2018
Filing Date:
April 14, 2014
Export Citation:
Assignee:
tdk Corporation
International Classes:
H01L51/50; C07D519/00; C09K11/06
Domestic Patent References:
| JP2010056523A | ||||
| JP2009259994A |
Foreign References:
| WO2008059713A1 |