White interferometric modulators and methods for forming the same
First Claim
Patent Images
1. An optical device comprising:
- a partially transparent substrate, wherein the substrate comprises texture and the spectrum of resonance wavelengths of the cavity is determined at least in part by the texture;
an optical stack disposed on the partially transparent substrate; and
a reflector, wherein the reflector and the substrate are configured to form an optical interferometric resonance cavity therebetween wherein the substrate and the reflector are non-parallel with respect to one another.
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Abstract
An iterferometric modulator array is configured to reflect a broad band spectrum of optical wavelengths by arranging a reflector and a partially transparent substrate in a non-parallel relationship.
257 Citations
39 Claims
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1. An optical device comprising:
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a partially transparent substrate, wherein the substrate comprises texture and the spectrum of resonance wavelengths of the cavity is determined at least in part by the texture; an optical stack disposed on the partially transparent substrate; and a reflector, wherein the reflector and the substrate are configured to form an optical interferometric resonance cavity therebetween wherein the substrate and the reflector are non-parallel with respect to one another. - 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)
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33. An optical device comprising:
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a partially transparent substrate; an optical stack disposed on the partially transparent substrate; a reflector, wherein the reflector and the substrate are configured to form an optical interferometric resonance cavity therebetween wherein the substrate and the reflector are non-parallel with respect to one another; and a stop configured to constrain the reflector to a predetermined position and wherein the spectrum of resonance wavelengths of the cavity is determined at least in part by the predetermined position of the reflector.
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34. A method of manufacturing an optical device, the method comprising:
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providing a partially transparent substrate; providing an optical stack on the partially transparent substrate; forming texture in the substrate, wherein the spectrum of resonance wavelengths of the cavity is determined at least in part by the texture; and forming a reflector, wherein the reflector and the substrate are configured to form an optical interferometric resonance cavity therebetween wherein the substrate and the reflector are non-parallel with respect to one another. - View Dependent Claims (35, 36, 37, 38, 39)
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Specification