Durable optical element
First Claim
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1. A durable optical film comprising:
- a polymerized optical film structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof.
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Abstract
A durable optical film or element includes a polymerized structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. Display devices including the durable microstructured film are also described.
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Citations
50 Claims
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1. A durable optical film comprising:
a polymerized optical film structure having a microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A brightness enhancing film comprising:
a brightness enhancing polymerized structure having a plurality of surface modified colloidal nanoparticles. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A device comprising:
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(a) a lighting device having a light-emitting surface; and (b) a brightness enhancing film placed substantially parallel to said light-emitting surface, said brightness enhancing film comprising a polymerized structure having a plurality of surface modified colloidal nanoparticles. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A durable optical turning film comprising:
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a first surface; an array of prisms formed in the first surface, wherein the array of prisms has; a plurality of first prisms, each of the first prisms having a first prism angular orientation with respect to a normal to the first surface; a plurality of second prisms, each of the second prisms having a second prism angular orientation, different from the first angular orientation, with respect to the normal; and a second surface opposing the first surface, wherein said array of prisms having a plurality of surface modified colloidal nanoparticles.
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36. An illumination device comprising:
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(a) a lighting source having a lightguide having a light-emitting surface; and (b) an optical turning film placed substantially parallel to said lightguide, said turning film having a first surface and a second surface and an array of prisms formed on the first surface, the turning film disposed with the first surface disposed in relation to the light-emitting surface such that light rays exiting the light-emmiting surface of the lightguide encounter the array of prisms and are reflected and refracted by the array of prisms such that the light rays exit the turning film via the second surface and substantially along a desired angular direction, wherein the array of prisms includes a first plurality of prisms, each of the first plurality of prisms having a first prism configuration, and a second plurality of prisms each having a second prism configuration, different than the first prism configuration, the first prism configuration and the second prism configuration being such the light rays exiting the second surface correspond to a substantially uniform sampling of the light rays entering the lightguide and said optical turning film comprising a plurality of surface modified colloidal nanoparticles.
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37. A retro-reflective film comprising:
a retro-reflective polymerized structure having a plurality of surface modified colloidal nanoparticles. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44)
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45. A durable optical element comprising:
a polymerized optical element structure having microstructured surface and a plurality of surface modified colloidal nanoparticles of silica, zirconia, or mixtures thereof. - View Dependent Claims (46, 47, 48, 49, 50)
Specification