System, apparatus, and method for reducing birefringence
First Claim
Patent Images
1. An electro-active lens comprising:
- a first electro-active layer; and
a second electro-active layer, the first electro-active layer and the second electro-active layer being in optical communication with each other wherein, in an unactivated state, molecules of the first electro-active layer are aligned orthogonal to molecules of the second electro-active layer to reduce birefringence.
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Abstract
An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship with the first lens optic. In certain embodiments, the electro-active lens includes a range finder positioned in a cooperative relationship with the electro-active lens.
261 Citations
12 Claims
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1. An electro-active lens comprising:
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a first electro-active layer; and
a second electro-active layer, the first electro-active layer and the second electro-active layer being in optical communication with each other wherein, in an unactivated state, molecules of the first electro-active layer are aligned orthogonal to molecules of the second electro-active layer to reduce birefringence. - View Dependent Claims (2)
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3. An electro-active lens comprising:
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a first electro-active layer;
a second electro-active layer, the first electro-active layer and the second electro-active layer being in optical communication with each other wherein molecules of the first electro-active layer are aligned orthogonal to molecules of the second electro-active layer to reduce birefringence; and
a double-sided plate with diffraction patterns etched on both sides of the plate, the plate in optical communication with the first electro-active layer and the second electro-active layer. - View Dependent Claims (4)
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5. A method for reducing birefringence in a lens, comprising:
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providing a first electro-active layer of the lens;
providing a second electro-active layer of the lens; and
aligning, in an unactivated state, molecules of the first electro-active layer orthogonal to molecules of the second electro-active layer. - View Dependent Claims (6)
stacking the second electro-active layer upon the first electro-active layer.
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7. A method for reducing birefringence in a lens, comprising:
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providing a first electro-active layer of the lens;
providing a second electro-active layer of the lens;
providing a double-sided plate;
aligning molecules of the first electro-active layer orthogonal to molecules of the second electro-active layer; and
placing the first electro-active layer on one side of the double-sided plate and the second electro-active layer on the other side of the plate, the plate having diffraction patterns on both sides of the plate.
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8. A system, comprising:
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a first electro-active layer;
a second electro-active layer, wherein, in an unactivated state, molecules of the first electro-active layer are aligned orthogonal to molecules of the second electro-active layer to reduce birefringence; and
an electro-active lens controller in communication with the first and second electro-active layers. - View Dependent Claims (9, 10)
a power source configured to provide power to the controller, wherein the first and second electro-active layers are configured to receive power from the power source.
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11. A system, comprising:
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a first electro-active layer;
a second electro-active layer, wherein molecules of the first electro-active layer are aligned orthogonal to molecules of the second electro-active layer to reduce birefringence;
an electro-active lens controller in communication with the first and second electro-active layers; and
a double-sided plate with diffraction patterns etched on both sides of the plate, the plate in optical communication with the first electro-active layer and the second electro-active layer. - View Dependent Claims (12)
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Specification