Title:
DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/224073
Kind Code:
A1
Abstract:
Provided is a display device with good display quality. This display device has a first pixel, and a second pixel arranged adjacent to the first pixel, wherein: the first pixel has a first pixel electrode, a first EL layer on the first pixel electrode, and a shared electrode on the first EL layer; the second pixel has a second pixel electrode, a second EL layer on the second pixel electrode, and a shared electrode on the second EL layer; the first pixel electrode and the second pixel electrode each have a tapered shape on a side surface; and the tapered angle of the tapered shape is less than 90 degrees and includes a region in which the distance between the first pixel electrode and the second pixel electrode is no more than 1 micrometer.
Inventors:
SASAGAWA SHINYA (JP)
HODO RYOTA (JP)
HONDA HIROAKI
SASAMURA YASUNORI (JP)
HODO RYOTA (JP)
HONDA HIROAKI
SASAMURA YASUNORI (JP)
Application Number:
PCT/IB2022/053349
Publication Date:
October 27, 2022
Filing Date:
April 11, 2022
Export Citation:
Assignee:
SEMICONDUCTOR ENERGY LAB (JP)
International Classes:
G09F9/00; G09F9/30; H01L27/32; H01L51/50; H05B33/10; H05B33/12; H05B33/22; H05B33/26; H05B33/28
Foreign References:
JP2018147770A | 2018-09-20 | |||
JP2010021162A | 2010-01-28 | |||
JP2020004705A | 2020-01-09 | |||
JPS62128487A | 1987-06-10 | |||
CN109509765A | 2019-03-22 |
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