Subwavelength optical microstructure light collimating films
First Claim
1. A light directing film comprising:
- a sheeting having a first side and a second side, wherein said first side includes a series of prisms, and said second side includes a plurality of moth-eye structures.
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Accused Products
Abstract
A light collimating film has a sheeting having a first side and a second side, wherein the first side includes a series of prisms, and the second side includes a plurality of subwavelength optical microstructures. Another embodiment includes a back lighting display device having a lighting means, a display panel, and a sheeting having a first side and a second side, wherein the first side includes a series of prisms, and the second side includes a plurality of subwavelength optical microstructures. A preferred embodiment includes a back lighting display device having a first collimating film having a first surface with a subwavelength optical microstructure thereon and a second surface with linear prisms having an included angle of greater than about 95 degrees, and a second collimating film having a first surface with a subwavelength optical microstructure thereon and a second surface with linear prisms having an included angle of less than about 85 degrees.
284 Citations
15 Claims
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1. A light directing film comprising:
a sheeting having a first side and a second side, wherein said first side includes a series of prisms, and said second side includes a plurality of moth-eye structures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A back lighting display device, comprising:
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a) a lighting device;
b) a display panel disposed adjacent to the lighting device; and
c) a sheeting disposed adjacent to the display panel, the sheeting having a first side and a second side, wherein said first side includes a series of prisms, and said second side includes a plurality of moth-eye structures.
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14. A light collimating structure, comprising:
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a) a first collimating film having a first surface with a moth-eye structure thereon and a second surface with linear prisms having an included angle of equal or greater than about 95 degrees, and b) a second collimating film having a first surface with a moth-eye structure thereon and a second surface with linear prisms having an included angle of equal or less than about 85 degrees. - View Dependent Claims (15)
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Specification