Optical device, system and method
First Claim
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1. An apparatus for making an optical device comprising:
- means for dividing an angular pattern into a plurality of sub-angular regions;
means for determining micro-wedge configurations for directing light to said sub-angular regions; and
means for subsequently, generating an array of micro-wedges according to said micro-wedge configurations, such that adjacent micro-wedges in said array have different configurations.
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Abstract
Methods and systems are disclosed related to optical elements. An apparatus for making an optical device can be configured to divide an angular pattern into a plurality of sub-angular regions. Then, micro-wedge configurations can be determined for directing light to the sub-angular regions. Subsequently, an array of micro-wedges can be generated according to the micro-wedge configurations, such that adjacent micro-wedges in the array have different configurations.
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Citations
17 Claims
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1. An apparatus for making an optical device comprising:
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means for dividing an angular pattern into a plurality of sub-angular regions;
means for determining micro-wedge configurations for directing light to said sub-angular regions; and
means for subsequently, generating an array of micro-wedges according to said micro-wedge configurations, such that adjacent micro-wedges in said array have different configurations. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An optical device, comprising:
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a substrate, the substrate adjacent to a medium, the substrate comprising;
a smooth regularly shaped exterior surface; and
an irregularly shaped exterior output surface, said irregularly shaped exterior output surface comprising;
a first optical element for directing a first portion of an incident light beam exiting the irregularly shaped exterior output surface via the first optical element in a predetermined first direction; and
a second optical element, adjacent to said first optical element on the irregularly shaped exterior surface and formed on a same side of said irregularly shaped exterior output surface as said first optical element, for directing a second portion of said incident light beam exiting the irregularly shaped exterior output surface via the second optical element in a predetermined second direction in the medium different from said predetermined first direction in the medium, the light beam exiting in the first and second directions contributing to a portion of a predetermined pattern;
wherein said first optical element is of a first shape, said second optical element is of a second shape different from said first shape, said first and second shapes are microwedges, and said first optical element and said second optical element have non-textured and substantially planar output surfaces. - View Dependent Claims (9, 10, 11, 12, 13)
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14. An optical device, comprising:
a substrate comprising;
a first smoothly regular surface; and
a second surface, wherein the second surface has at least two portions, a first portion and a second portion, the first portion has a first portion surface and the second portion has a second portion surface, the first and second portion surfaces being adjacent and non-continuous, the first portion for directing a first light beam exiting the first portion in a predetermined first direction, and the second portion for directing a second light beam exiting the second portion in a predetermined second direction, the first light beam and second light beam contributing to a portion of a predetermined pattern. - View Dependent Claims (15, 16, 17)
Specification