Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/167894
Kind Code:
A1
Abstract:
Provided is a display device that has high display quality. Provided is a highly reliable display device. Provided is a display device that has low power consumption. Provided is a display device capable of easily producing high-definition images. Provided is a display device that combines a high display quality with high definition. Provided is a display device that has high contrast. The display device has a first conductive layer, a first insulating layer on the first conductive layer, a second conductive layer having a first region on the insulating layer and a second region in an opening provided to the first insulation layer, a second insulating layer on the first insulating layer, a third insulating layer on the second region, an EL layer having a third region on the first region, a fourth region on the second insulating layer, and a fifth region on the third insulating layer, and a third conductive layer on the EL layer, wherein the opening is provided in the first insulation layer so as to reach an upper surface of the first conductive layer, and the heights of an upper surface of the first region, an upper surface of the second insulating layer, and an upper surface of the third insulating layer are approximately flush with one another.
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Inventors:
EGUCHI SHINGO (JP)
OKAZAKI KENICHI (JP)
ADACHI HIROKI (JP)
OKAZAKI KENICHI (JP)
ADACHI HIROKI (JP)
Application Number:
PCT/IB2022/050619
Publication Date:
August 11, 2022
Filing Date:
January 25, 2022
Export Citation:
Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
H05B33/12; G09F9/30; H01L21/336; H01L27/32; H01L29/786; H01L51/50; H05B33/22
Foreign References:
| JP2001312223A | 2001-11-09 | |||
| JP2000077191A | 2000-03-14 |
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