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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/172115
Kind Code:
A1
Abstract:
Provided is a high-definition display device. Also provided is a display device having a high aperture ratio. The display device comprises: a first pixel electrode; a second pixel electrode; a first insulating layer; a second insulating layer; a first EL layer; a second EL layer; and a common electrode. The first insulating layer covers ends of the first and second pixel electrodes. The second insulating layer is provided on the first and second pixel electrodes and the first insulating layer, and covers an end of the first insulating layer. The first EL layer is provided on the first pixel electrode, and the second EL layer is provided on the second pixel electrode. Ends of the first and second EL layers face each other, and overlap the first insulating layer. The common electrode has a part overlapping the first EL layer and a part overlapping the second EL layer. The first insulating layer includes an organic resin, and the second insulating layer includes an inorganic insulating material.

Inventors:
SATO RAI (JP)
KATAYAMA MASAHIRO (JP)
GOTO NAOTO
NAKAZAWA YASUTAKA
OKAZAKI KENICHI (JP)
Application Number:
PCT/IB2022/050739
Publication Date:
August 18, 2022
Filing Date:
January 28, 2022
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
G09F9/00; G09F9/30; H01L21/336; H01L27/32; H01L29/786; H01L51/50; H05B33/02; H05B33/10; H05B33/12; H05B33/14; H05B33/22
Foreign References:
JP2011238597A2011-11-24
JP2021012366A2021-02-04
JP2014150057A2014-08-21
JP2004319119A2004-11-11
JP2005174906A2005-06-30
JP2012015129A2012-01-19
JP2008270118A2008-11-06
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