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Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/175784
Kind Code:
A1
Abstract:
Provided is a display device in which a voltage drop is suppressed. This display device has: a first lower electrode; a second lower electrode; a third lower electrode; auxiliary electrodes; banks having regions overlapping with an end part of the first lower electrode, an end part of the second lower electrode, an end part of the third lower electrode, and the auxiliary electrodes; a first light-emitting layer having a region overlapping with the first lower electrode and being positioned at a bank opening part; a first layer positioned between the first lower electrode and the first light-emitting layer; a second light-emitting layer having a region overlapping with the second lower electrode and being positioned at a bank opening part; a second layer positioned between the second lower electrode and the second light-emitting layer; a third light-emitting layer having a region overlapping with the third lower electrode and being positioned at a bank opening part; a third layer positioned between the third lower electrode and the third light-emitting layer; and an upper electrode disposed over a region from the first light-emitting layer to the third light-emitting layer, said upper electrode being electrically connected to the auxiliary electrodes.

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Inventors:
SEO SATOSHI (JP)
WADA RIHITO (JP)
Application Number:
PCT/IB2022/051140
Publication Date:
August 25, 2022
Filing Date:
February 09, 2022
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H05B33/22; G09F9/30; H01L27/32; H01L51/50; H05B33/06; H05B33/12; H05B33/26; H05B33/28
Domestic Patent References:
WO2015155971A12015-10-15
Foreign References:
JP2009259570A2009-11-05
JP2009176495A2009-08-06
JP2006294395A2006-10-26
JP2018206710A2018-12-27
US20170033166A12017-02-02
US20170141176A12017-05-18
JP2009231264A2009-10-08
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