Visual angle control film and preparation method therefor
AssigneeSuzhou Crystalent Photonics Co., Ltd.
InventorsTong LI, Peng WU, Linzhong LV, Xinyuan CHEN
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Abstract
A visual angle control film includes a transparent structure layer, wherein the transparent structure layer includes a light-emitting plane and a light-entering micro-structure surface, a light control coating is arranged on a surface of the light-entering micro-structure surface, a recess of the light-entering micro-structure surface is filled with an absorption material, a reflection layer is arranged on an outer surface of the absorption material, an optical refractive index nH of the transparent structure layer and an optical refractive index nL of the light control coating satisfies: nH−nL>0.05.
Claims10
A visual angle control film, comprising a transparent structure layer, the transparent structure layer comprising a light-emitting plane and a light-entering micro-structure surface, a light control coating is arranged on a surface of the light-entering micro-structure surface, a recess of the light-entering micro-structure surface is filled with an absorption material, a reflection layer is arranged on an outer surface of the absorption material, an optical refractive index of the transparent structure layer is nH, an optical refractive index of the light control coating is nL, and the optical refractive index nH of the transparent structure layer and the optical refractive index nL of the light control coating satisfies:
- nH−nL>0.05.
Dependencies are inferred from the claim text.