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Title:
LIGHT-EMITTING DEVICE
Document Type and Number:
Japanese Patent JP2020178100
Kind Code:
A
Abstract:
To provide a light-emitting device having an excellent device life.SOLUTION: The light-emitting device includes an anode, a light-emitting layer, an electron transport layer, and a cathode arranged in this order. The electron transport layer includes non-conductive particles, an electron transport polymer material having a structural unit represented by a formula (ET-1), and a non-particulate alkali metal compound represented by a formula (hh-1). (M3)a5(Z3)b1(hh-1)SELECTED DRAWING: None

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Inventors:
IIJIMA TAKAYUKI
TANAKA MASANOBU
MIYAMOTO TSUYOSHI
TERAUCHI MAYUKO
Application Number:
JP2019081187A
Publication Date:
October 29, 2020
Filing Date:
April 22, 2019
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO
International Classes:
H01L51/50; C08G61/02; C08K3/01; C08L65/00; H05B33/10
Domestic Patent References:
JP2014528633A2014-10-27
JP2005226072A2005-08-25
JP2006302927A2006-11-02
Foreign References:
WO2010044342A12010-04-22
US20180019371A12018-01-18
WO2012160714A12012-11-29
Attorney, Agent or Firm:
Sumio Tanai
Akio Sato
Shingo Suzuki
Hiroyuki Kato



 
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