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 gro
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.
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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
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; anda 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,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. 2. 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. 3. 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. 4. The curable silicone resin composition of claim 3, wherein the catalyst comprises platinum (Pt). 5. The curable silicone resin composition of claim 1, wherein the third functional group for surface bonding is a carboxylic group, a sulfonyl group, or a phosphate group. 6. The curable silicone resin composition of claim 1, wherein the non-curable silicone resin comprises a plurality of resins having different molecular weights. 7. 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. 8. 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. 9. 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. 10. The curable silicone resin composition of claim 9, wherein the first inorganic oxide particle and the second inorganic oxide particle consist of the same inorganic oxide. 11. The curable silicone resin composition of claim 1, wherein the applied energy comprises applied heat. 12. 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. 13. The optical member of claim 12, 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 % of the optical member. 14. The optical member of claim 12, wherein total light transmittance of the optical member in a wavelength from 400 nm to 800 nm is equal to or greater than 80%. 15. 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. 16. 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; anda 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,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. 17. The curable silicone resin composition of claim 16, 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. 18. The curable silicone resin composition of claim 16, 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. 19. The curable silicone resin composition of claim 16, 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. 20. 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; anda 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,further comprising a catalyst that promotes bonding of the first crosslinkable functional group to the second crosslinkable functional group,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.
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