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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/153143
Kind Code:
A1
Abstract:
Provided is a display device having high display quality. Provided is a display device having high reliability. Provided is a display device having low power consumption. Provided is a display device facilitating higher definition. Provided is a display device having both high display quality and high definition. Provided is a display device having high contrast. The present invention is a display device including an insulation layer, a first lower electrode, a first EL layer upon the first lower electrode, a second lower electrode, a second EL layer upon the second lower electrode, and an upper electrode upon the first EL layer, upon the second EL layer, and upon the insulation layer, wherein the first EL layer includes a first light-emitting layer, the second EL layer includes a second light-emitting layer, the first EL layer and the second EL layer are adjacent, the insulation layer includes a resin or a resin precursor, and the insulation layer includes a region interposed between a first end surface of the first EL layer and a second end surface of the second EL layer.

Inventors:
OKAZAKI KENICHI (JP)
EGUCHI SHINGO (JP)
ADACHI HIROKI (JP)
Application Number:
PCT/IB2022/050072
Publication Date:
July 21, 2022
Filing Date:
January 06, 2022
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H05B33/22; G09F9/30; H01L27/32; H01L51/50; H05B33/12; H05B33/14
Domestic Patent References:
WO2007066573A12007-06-14
Foreign References:
US20200176521A12020-06-04
US20190157619A12019-05-23
JP2009087623A2009-04-23
JP2011210614A2011-10-20
US20200043998A12020-02-06
JP2012216501A2012-11-08
JP2020140940A2020-09-03
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