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Title:
COMPOSITIONS AND USE THEREOF IN PHOTOELECTRIC FIELD
Document Type and Number:
WIPO Patent Application WO/2022/078432
Kind Code:
A1
Abstract:
Disclosed is a composition including at least one compound having a structural unit of chemical formula (1) or (2), and an organic resin; and the organic resin can facilitate the forming of a film by means of printing or coating methods, and curing by means of heating or UV light. The photoluminescence spectrum of the compound has a narrow half-peak width, and a color conversion layer made from the compound can absorb incident light with a wider half-peak width and then emit emergent light with a narrower half-peak width; moreover, the peak position of the photoluminescence spectrum of the compound can be adjusted by modifying the molecular structure thereof, and different types of color conversion layers can be prepared from compounds with different chemical structures, by means of which different color spectra can be emitted, respectively. Such narrow half-peak-width light emitting devices of different colors can make display devices with a high color gamut.

Inventors:
PAN JUNYOU (CN)
ZHU JUYE (CN)
TAN JIAHUI (CN)
Application Number:
PCT/CN2021/123761
Publication Date:
April 21, 2022
Filing Date:
October 14, 2021
Export Citation:
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Assignee:
ZHEJIANG BRILLIANT OPTOELECTRONIC TECH CO LTD (CN)
International Classes:
G02B5/20; C07F5/02; C09K11/06
Domestic Patent References:
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Foreign References:
CN108141939A2018-06-08
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Other References:
BOYLE, M. A. ET AL.: "ASM Handbook", vol. 21, 2001, article "Epoxy Resins", pages: 78 - 89
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