METHOD FOR PRODUCING LIGHT-EMITTING PARTICLES, LIGHT-EMITTING PARTICLES, LIGHT-EMITTING PARTICLE DISPERSION, INK COMPOSITION, AND LIGHT-EMITTING ELEMENT

Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such...

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Bibliographische Detailangaben
Hauptverfasser:	Umezu, Yasuo, Horiguchi, Masahiro, Hayashi, Takuo, Aoki, Yoshio, Hirata, Shinichi, Horigome, Misao, Yuan, Jianjun, Endo, Koichi
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FILLING PASTES INKS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES SEMICONDUCTOR DEVICES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 each having hollow particles 912 each having an inner space 912a and pores 912b communicating with the inner space 912a, and perovskite-type semiconductor nanocrystals 911 contained in the inner space 912a and having light-emitting properties, and a step of coating the surface of each parent particle 91 with a hydrophobic polymer to form a polymer layer 92.