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Patent Searching and Data


Title:
LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/085176
Kind Code:
A1
Abstract:
Provided are a light-emitting element and a display device for which emission characteristics can be improved. A plurality of anode electrodes (11) are provided in each pixel. An insulating film (12) for pixel separation has an opening (120) to which each of the plurality of anode electrodes (11) is exposed to the outside, and has a hood (123B) at an intermediate position in the thickness direction of an inner wall in the opening (120). An organic layer (13) includes a CGL (132) that is cut by the hood (123B) of the insulating film (12) for pixel separation, and covers the opening (120). A cathode electrode (14) is arranged on a face on the opposite side to the anode electrode (11) of the organic layer (13).

Inventors:
NISHIKAWA TOMOTAKA (JP)
HIKICHI KUNIHIKO (JP)
SAKAI YUUKI (JP)
SHIMAYAMA TSUTOMU (JP)
Application Number:
PCT/JP2020/039057
Publication Date:
May 06, 2021
Filing Date:
October 16, 2020
Export Citation:
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Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G02B5/20; H01L27/32; H01L51/50; H05B33/12; H05B33/22; H05B33/26; H05B33/28
Foreign References:
JP2011165629A2011-08-25
JP2012182121A2012-09-20
JP2012182120A2012-09-20
JP2003186423A2003-07-04
JP2008112658A2008-05-15
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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