# US 2017/0253718 A1 · Curable silicone resin composition containing inorganic oxide and optical member using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0253718 A1 - Document ID: US20170253718A1 - Status: Published application - Kind: A1 - Application number: 15/370,452 - Filed: 2016-12-06 - Published: 2017-09-07 - Earliest claimed: 2016-03-02 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ryosuke KAMITANI - Web page: https://patentgrep.com/patent/US20170253718A1 ## CPC - C08K 3/22: of metals - C08G 77/08: characterised by the catalysts used - C08G 77/395: containing phosphorus - C08G 77/44: containing only polysiloxane sequences - C08J 3/247: {Heating methods} - C08K 9/08: Ingredients agglomerated by treatment with a binding agent - C08L 83/00: Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers - C08L 83/08: containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen - G02B 1/04: made of organic materials, e.g. plastics (G02B1/08 takes precedence) - C08J 2383/10: Block- or graft-copolymers containing polysiloxane sequences - C08K 2003/2244: {of zirconium} - C08K 2201/003: Additives being defined by their diameter - G02B 1/043: {Contact lenses} - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract Provided is a curable silicone resin composition containing an inorganic oxide that may form an optical member having a relatively high refractive index and excellent optical transparency. The curable silicone resin composition may include a first curable silicone resin having a first functional group for surface bonding and a first crosslinkable functional group, a second curable silicone resin having a second functional group for surface bonding and a second crosslinkable functional group, and first and second inorganic oxide particles bonded to the first and second curable silicone resins by the first and second functional groups for surface bonding, respectively. The first and second crosslinkable functional groups may be bonded by applying energy. ## Claims ### Claim 1 A curable silicone resin composition containing an inorganic oxide comprising: a first curable silicone resin comprising a first functional group for surface bonding and a first crosslinkable functional group; a second curable silicone resin comprising a second functional group for surface bonding and a second crosslinkable functional group; a first inorganic oxide particle comprising the first curable silicone resin bonded to a surface of the first inorganic oxide particle by the first functional group for surface bonding; and a second inorganic oxide particle comprising the second curable silicone resin bonded to a surface of the second inorganic oxide particle by the second functional group for surface bonding, wherein the first crosslinkable functional group and the second crosslinkable functional group are each capable of bonding via applied energy, and an average primary particle diameter of each of the first inorganic oxide particle and the second inorganic oxide particle is from 1 nm to 40 nm. ### Claim 2 (depends on 1) The curable silicone resin composition of claim 1, further comprising a catalyst that promotes bonding of the first crosslinkable functional group to the second crosslinkable functional group. ### Claim 3 (depends on 1) The curable silicone resin composition of claim 1, further comprising a non-curable silicone resin comprising a third functional group for surface bonding, wherein the non-curable silicone resin is bonded to a surface of at least one of the first inorganic oxide particle and the second inorganic oxide particle by the third functional group for surface bonding. ### Claim 4 (depends on 3) The curable silicone resin composition of claim 3, wherein the third functional group for surface bonding is a carboxylic group, a sulfonyl group, or a phosphate group. ### Claim 5 (depends on 3) The curable silicone resin composition of claim 3, wherein the non-curable silicone resin comprises a plurality of resins having different molecular weights. ### Claim 6 (depends on 1) The curable silicone resin composition of claim 1, wherein the first crosslinkable functional group and the second crosslinkable functional group are, respectively, at least one of a hydrosilyl group and a vinyl group, an epoxy group and an acid anhydride group, or an acrylic group and an acrylic group. ### Claim 7 (depends on 1) The curable silicone resin composition of claim 1, wherein at least one of the first functional group for surface bonding and the second functional group for surface bonding is a carboxylic group, a sulfonyl group, or a phosphate group. ### Claim 8 (depends on 1) The curable silicone resin composition of claim 1, wherein at least one of the first inorganic oxide particle and the second inorganic oxide particle comprises at least one selected from the group consisting of zirconia, titania, ceria, and barium titanate. ### Claim 9 (depends on 8) The curable silicone resin composition of claim 8, wherein the first inorganic oxide particle and the second inorganic oxide particle consist of the same inorganic oxide. ### Claim 10 (depends on 2) The curable silicone resin composition of claim 2, wherein the first crosslinkable functional group and the second crosslinkable functional group are, respectively, a hydrosilyl group and a vinyl group, and wherein the catalyst promotes a hydrosilylation reaction. ### Claim 11 (depends on 10) The curable silicone resin composition of claim 10, wherein the catalyst comprises platinum (Pt). ### Claim 12 (depends on 1) The curable silicone resin composition of claim 1, wherein the applied energy comprises applied heat. ### Claim 13 (depends on 1) An optical member, obtained by curing the curable silicone resin composition containing an inorganic oxide as recited in claim 1 by bonding the first crosslinkable functional group to the second crosslinkable functional group. ### Claim 14 (depends on 13) The optical member of claim 13, wherein a volume ratio of each of the first inorganic oxide particle and the second inorganic oxide particle is equal to or greater than 10 vol %. ### Claim 15 (depends on 13) The optical member of claim 13, wherein total light transmittance of the optical member in a wavelength from 400 nm to 800 nm is equal to or greater than 80%.