Title:
有機エレクトロルミネッセンス素子
Document Type and Number:
Japanese Patent JP7366899
Kind Code:
B2
Abstract:
The present invention is an organic EL element in which a material used for a capping layer is a material having a high absorbance as measured at a wavelength of 400 to 410 nm in an absorption spectrum at a concentration of 10-5 mol/L, and the material is selected from an arylamine material which provides excellent stability and durability to a thin film, particularly selected from a diamine compound that has a particular benzazol ring structure having a high refractive index.
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Inventors:
Yuki Kase
Shunji Mochizuki
Yuta Hirayama
Shunji Mochizuki
Yuta Hirayama
Application Number:
JP2020531342A
Publication Date:
October 23, 2023
Filing Date:
July 17, 2019
Export Citation:
Assignee:
Hodogaya Chemical Co., Ltd.
International Classes:
H10K50/85; C07D249/18; C07D263/56; C07D403/04; H10K50/10; H10K50/828; H10K59/10; H10K85/60
Domestic Patent References:
JP11035532A | ||||
JP2007518705A | ||||
JP2013072087A | ||||
JP11029556A |
Foreign References:
WO2017183625A1 | ||||
WO2015001726A1 | ||||
US20160181544 | ||||
CN107417668A |
Attorney, Agent or Firm:
田▲崎▼ 聡
Norihiko Ara
Fumihiro Hosokawa
Hiroyuki Matsumoto
Norihiko Ara
Fumihiro Hosokawa
Hiroyuki Matsumoto
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