There is provided a light control film having two transparent electroconductive resin substrates; and a light control layer sandwiched between the two transparent electroconductive resin substrates, the light control layer containing; a resin matrix; and a light control suspension dispersed in the r
There is provided a light control film having two transparent electroconductive resin substrates; and a light control layer sandwiched between the two transparent electroconductive resin substrates, the light control layer containing; a resin matrix; and a light control suspension dispersed in the resin matrix, wherein at least one of the transparent electroconductive resin substrates has, on the light control layer side thereof, a primer layer, and the primer layer is made of a thin film in which metal oxide fine particles are dispersed in an organic binder resin. The light control film may have the function improving adhesion between the film matrix and each substrates and performing stable light control function.
대표청구항▼
1. A light control film comprising: two transparent electroconductive resin substrates; and a light control layer sandwiched between the two transparent electroconductive resin substrates, the light control layer containing: a resin matrix; and a light control suspension dispersed in the resin matri
1. A light control film comprising: two transparent electroconductive resin substrates; and a light control layer sandwiched between the two transparent electroconductive resin substrates, the light control layer containing: a resin matrix; and a light control suspension dispersed in the resin matrix,each of the transparent electroconductive resin substrates containing: a transparent resin substrate; and a transparent electroconductive film coated on the transparent resin substrate; andthe light control suspension containing: light control particles; and a dispersing medium in the state the light control particles can flow in the dispersing medium,wherein at least the transparent electroconductive film of one of the transparent electroconductive resin substrates has, on the light control layer side thereof, a primer layer, and the primer layer is made of a film in which metal oxide fine particles are dispersed in an organic binder resin partially composed of a (meth)acrylate, andthe metal oxide fine particles have an average particle diameter of 100 nm or less. 2. The light control film according to claim 1, wherein the metal oxide fine particles are contained in a proportion of 4.5 to 95% by mass of the entire materials of the primer layer. 3. The light control film according to claim 2, wherein the film thickness of the primer layer is 500 nm or less. 4. The light control film according to claim 1, wherein the primer layer is made of a film obtained by curing a polymerizable monomer or oligomer as the organic binder resin by heat or light. 5. The light control film according to claim 4, wherein the film thickness of the primer layer is 500 nm or less. 6. The light control film according to claim 1, wherein the metal oxide fine particles are selected from the group consisting of ZrO2, SiO2, ITO, GZO, ZnO, and a mixture thereof. 7. The light control film according to claim 6, wherein the film thickness of the primer layer is 500 nm or less. 8. The light control film according to claim 1, wherein the film thickness of the primer layer is 500 nm or less. 9. The light control film according to claim 1, wherein the film thickness of the primer layer is 500 nm or less. 10. The light control film according to claim 1, wherein the metal oxide fine particles have an average particle diameter of 20-30 nm. 11. The light control film according to claim 1, wherein the metal oxide fine particles are selected from the group consisting of ZrO2, SiO2, ITO, GZO, and ZnO, and the metal oxide fine particles have an average particle diameter of 20-30 nm. 12. The light control film according to claim 11, wherein the transparent resin substrate is selected from the group consisting of a polyester film, a polyolefin film, a polyvinyl chloride film, an acrylic resin film, a polyethersulfone film, a polyarylate film, and a polycarbonate film. 13. The light control film according to claim 12, wherein the resin matrix comprises a polymerization product of monomers comprising a silanol-both-terminated siloxane polymer, a trialkylalkoxysilane, and a silane compound containing an ethylenically unsaturated bond. 14. The light control film according to claim 12, wherein the resin matrix comprises a polymerization product of monomers consisting of a silanol-both-terminated siloxane polymer, a trialkylalkoxysilane, and a silane compound containing an ethylenically unsaturated bond. 15. The light control film according to claim 1, wherein the light control film is capable of being wound around a roll. 16. A light control film comprising: two transparent electroconductive resin substrates, wherein each of the transparent electroconductive resin substrates comprises a transparent resin substrate and a transparent electroconductive film coated on the transparent resin substrate;a light control layer sandwiched between the two transparent electroconductive resin substrates, wherein the light control layer comprises a resin matrix and a light control suspension dispersed in the resin matrix, and the light control suspension comprises light control particles dispersed in a dispersing medium; anda primer layer disposed between the light control layer and a light control layer side of the transparent electroconductive film of at least one of the transparent electroconductive resin substrates, wherein the primer layer comprises metal oxide fine particles dispersed in an organic binder resin partially composed of a (meth)acrylate, and the metal oxide fine particles have an average particle diameter of 100 nm or less. 17. The light control film according to claim 16, wherein the metal oxide fine particles have an average particle diameter of 20-30 nm. 18. The light control film according to claim 16, wherein the metal oxide fine particles are contained in a proportion of 4.5 to 95% by mass of the entire materials of the primer layer. 19. The light control film according to claim 16, wherein the primer layer is made of a film obtained by curing a polymerizable monomer or oligomer as the organic binder resin by heat or light. 20. The light control film according to claim 16, wherein the metal oxide fine particles are selected from the group consisting of ZrO2, SiO2, ITO, GZO, ZnO, and a mixture thereof. 21. The light control film according to claim 16, wherein the film thickness of the primer layer is 500 nm or less. 22. The light control film according to claim 16, wherein the metal oxide fine particles are selected from the group consisting of ZrO2, SiO2, ITO, GZO, and ZnO, and the metal oxide fine particles have an average particle diameter of 20-30 nm. 23. The light control film according to claim 16, wherein the light control film is capable of being wound around a roll.
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이 특허에 인용된 특허 (15)
Saxe,Robert L., Anisometrically shaped carbon and/or graphite particles, liquid suspensions and films thereof and light valves comprising same.
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