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Patent Searching and Data


Title:
DISPLAY DEVICE AND DISPLAY DEVICE PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/234893
Kind Code:
A1
Abstract:
This display device (2) comprises a light-emitting element layer (5) having, formed therein, a plurality of light-emitting elements each including a first electrode (22), a functional layer (24), and a second electrode (25), and having light-emission colors different from one another. A first hole transport layer (24b) includes a hole-transporting material, and a light emission layer (24c) includes quantum dots and ligands coordinated to the quantum dots. The first hole transport layer (24b) contains the quantum dots to which the ligands are coordinated, and the ligands are coordinated to the quantum dots so as to prevent the hole-transporting material from being exposed to the light emission layer (24c) side.

Inventors:
KANEHIRO Masayuki
UTSUMI Hisayuki
IMABAYASHI Hiroki
Application Number:
PCT/JP2020/020058
Publication Date:
November 25, 2021
Filing Date:
May 21, 2020
Export Citation:
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Assignee:
SHARP KABUSHIKI KAISHA (Sakai-ku Sakai Cit, Osaka 22, JP)
International Classes:
G09F9/30; H01L27/32; H05B33/10; H01L51/50; H05B33/14
Attorney, Agent or Firm:
KATATA Hiroyuki (Nishitanabe-cho 1-chome Abeno-ku, Osaka-sh, Osaka 14, JP)
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