Substrate-guided optical beam expander
First Claim
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1. An optical device, comprising:
- a light-transmitting substrate;
optical means for coupling light into said substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by said substrate;
characterized in that said partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of said substrate.
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Abstract
The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by the substrate, characterized in that the partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of the substrate.
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42 Claims
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1. An optical device, comprising:
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a light-transmitting substrate;
optical means for coupling light into said substrate by total internal reflection, and a plurality of partially reflecting surfaces carried by said substrate;
characterized in that said partially reflecting surfaces are parallel to each other and are not parallel to any of the edges of said substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification