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Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/119050
Kind Code:
A1
Abstract:
The present invention provides a highly reliable display device. This display device comprises a first light emitting device, a second light emitting device that is arranged so as to be adjacent to the first light emitting device, and a first insulating layer; the first light emitting device comprises a first pixel electrode, a first EL layer that is arranged on the first pixel electrode, and a common electrode that is arranged on the first EL layer; the second light emitting device comprises a second pixel electrode, a second EL layer that is arranged on the second pixel electrode, and a common electrode that is arranged on the second EL layer; a part of the first insulating layer is arranged in a position where the part is sandwiched between a lateral edge part of the first EL layer and a lateral edge part of the second EL layer; the first light emitting device emits blue light; the second light emitting device emits light in a different color from the first light emitting device; the first EL layer comprises a first light emitting unit that is arranged on the first pixel electrode, a first charge generation layer that is arranged on the first light emitting unit, and a second light emitting unit that is arranged on the first charge generation layer; and the second EL layer comprises a third light emitting unit that is arranged on the second pixel electrode.

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Inventors:
AOYAMA TOMOYA (JP)
IKEDA HISAO (JP)
NAKAMURA DAIKI (JP)
Application Number:
PCT/IB2022/062034
Publication Date:
June 29, 2023
Filing Date:
December 12, 2022
Export Citation:
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Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H10K59/122; G09F9/30; G09G3/20; G09G3/3225; H05B33/12; H05B33/14; H05B33/22; H10K50/19; H10K59/10; H10K59/173; H10K59/30; H10K59/35
Domestic Patent References:
WO2020004086A12020-01-02
WO2020128735A12020-06-25
Foreign References:
JP2013073842A2013-04-22
KR20200082491A2020-07-08
JP2016045979A2016-04-04
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