Title:
DISPLAY DEVICE AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/107679
Kind Code:
A1
Abstract:
Provided is a display device capable of suppressing variation in emission luminance. This display device is provided with: a first electrode layer having a plurality of electrodes arranged two-dimensionally; a second electrode layer provided opposite the first electrode layer; an electroluminescent layer provided between the first and second electrode layers; and an insulating layer provided between adjacent electrodes. The insulating layer has a plurality of openings. Each of the plurality of openings is provided to a corresponding one of electrodes. The insulating layer includes a plurality of localized portions. Each of the plurality of localized portions is localized around a corresponding one of the openings. The insulating layer forms a potential barrier between the electroluminescent layer and the localized portions.
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Inventors:
KASAHARA NAOYA (JP)
TSUKAMOTO TAKEO (JP)
TSUKAMOTO TAKEO (JP)
Application Number:
PCT/JP2021/041563
Publication Date:
May 27, 2022
Filing Date:
November 11, 2021
Export Citation:
Assignee:
SONY GROUP CORP (JP)
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G09F9/30; H01L27/32; H01L51/50; H05B33/12; H05B33/22
Domestic Patent References:
| WO2018147048A1 | 2018-08-16 | |||
| WO2020111202A1 | 2020-06-04 |
Foreign References:
| JP2003249376A | 2003-09-05 | |||
| JP2003187970A | 2003-07-04 | |||
| JP2015015194A | 2015-01-22 |
Attorney, Agent or Firm:
SUGIURA PATENT OFFICE et al. (JP)
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