# US 2023/0265338 A1 · Quantum dot-containing polymer and method for producing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0265338 A1 - Document ID: US20230265338A1 - Status: Published application - Kind: A1 - Application number: 17/926,392 - Filed: 2021-04-19 - Published: 2023-08-24 - Earliest claimed: 2020-05-25 - Assignees: Shin-Etsu Chemical Co., Ltd. - Applicants: Shin-Etsu Chemical Co., Ltd. - Inventors: Shinji AOKI; Yoshihiro NOJIMA; Kazuya TOBISHIMA - Web page: https://patentgrep.com/patent/US20230265338A1 ## CPC - C09K 11/02: Use of particular materials as binders, particle coatings or suspension media therefor - B82Y 20/00: Nanooptics, e.g. quantum optics or photonic crystals - B82Y 30/00: Nanotechnology for materials or surface science, e.g. nanocomposites - B82Y 40/00: Manufacture or treatment of nanostructures - C09K 11/00: Luminescent materials, e.g. electroluminescent or chemiluminescent - C09K 11/025: {non-luminescent particle coatings or suspension media} - C09K 11/08: containing inorganic luminescent materials - C09K 11/56: containing sulfur - C09K 11/59: containing silicon - C09K 11/70: containing phosphorus - C09K 11/88: containing selenium, tellurium or unspecified chalcogen elements - C09K 11/883: {with zinc or cadmium} - G02B 5/20: Filters (polarising elements G02B5/30) - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A quantum dot-containing polymer contains quantum dots that emit fluorescence by excitation light, wherein the quantum dot-containing polymer is a combined polymer of the quantum dots in which a ligand having a reactive substituent is coordinated to the outermost surface and a silicone compound having a polymerizable substituent. The quantum dot-containing polymer is stabilized by mild conditions. ## Claims ### Claim at position 1 1-7. (canceled) ### Claim 8 A quantum dot-containing polymer containing quantum dots that emit fluorescence by excitation light, wherein the quantum dot-containing polymer is a combined polymer of the quantum dots in which a ligand having a reactive substituent is coordinated to the outermost surface and a silicone compound having a polymerizable substituent. ### Claim 9 (depends on 8) The quantum dot-containing polymer according to claim 8, wherein the ligand has one or more of an amino group, a thiol group, a carboxyl group, a phosphino group, and an ammonium ion. ### Claim 10 (depends on 8) The quantum dot-containing polymer according to claim 8, wherein the reactive substituents possessed by the ligand are one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 11 (depends on 9) The quantum dot-containing polymer according to claim 9, wherein the reactive substituents possessed by the ligand are one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 12 (depends on 8) The quantum dot-containing polymer according to claim 8, wherein the polymerizable substituent of the silicone compound is one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 13 (depends on 9) The quantum dot-containing polymer according to claim 9, wherein the polymerizable substituent of the silicone compound is one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 14 (depends on 10) The quantum dot-containing polymer according to claim 10, wherein the polymerizable substituent of the silicone compound is one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 15 (depends on 11) The quantum dot-containing polymer according to claim 11, wherein the polymerizable substituent of the silicone compound is one or more of a vinyl group, an acrylic group, and a methacrylic group. ### Claim 16 (depends on 8) The quantum dot-containing polymer according to claim 8, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 17 (depends on 9) The quantum dot-containing polymer according to claim 9, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 18 (depends on 10) The quantum dot-containing polymer according to claim 10, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 19 (depends on 11) The quantum dot-containing polymer according to claim 11, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 20 (depends on 12) The quantum dot-containing polymer according to claim 12, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 21 (depends on 13) The quantum dot-containing polymer according to claim 13, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 22 (depends on 14) The quantum dot-containing polymer according to claim 14, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 23 (depends on 15) The quantum dot-containing polymer according to claim 15, wherein the quantum dot-containing polymer is obtained by photopolymerizing the quantum dots in which the ligand having the reactive substituent is coordinated to the outermost surface and the silicone compound having the polymerizable substituent. ### Claim 24 (depends on 8) A wavelength conversion member, Wherein it is a cured product of a resin composition in which the quantum dot-containing polymer according to claim 8 is dispersed in a resin. ### Claim 25 A method for producing a quantum dot-containing polymer containing quantum dots that emit fluorescence by excitation light, comprising, a ligand exchange step of mixing a solution in which the quantum dots are dispersed and a compound containing a ligand having a reactive substituent, and coordinating the ligand having the reactive substituent to the outermost surface of the quantum dot, after the step, a polymerization step wherein a silicone compound containing a polymerizable substituent to the reactive substituent is added to the solution containing the quantum dots in which the reactive substituent is coordinated to the outermost surface and mixed, and the quantum dots and the silicone compound are polymerized to synthesize a quantum dot-containing polymer.