Methods and apparatus for spatial light modulation
First Claim
Patent Images
1. A display apparatus for forming an image comprising:
- a layer of reflective material for reflecting light away from a front of the display apparatus;
an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element relative to the layer of reflective material thereby forming pixels on the display apparatus; and
a plurality of apertures formed in the layer of reflective material for allowing light to pass through the layer of reflective material.
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Abstract
Improved apparatus and methods for spatial light modulation are disclosed which utilize optical cavities having both front and rear reflective surfaces. Light-transmissive regions are formed in the front reflective surface for spatially modulating light.
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Citations
37 Claims
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1. A display apparatus for forming an image comprising:
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a layer of reflective material for reflecting light away from a front of the display apparatus; an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element relative to the layer of reflective material thereby forming pixels on the display apparatus; and a plurality of apertures formed in the layer of reflective material for allowing light to pass through the layer of reflective material. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A display apparatus for forming an image comprising:
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a layer of reflective material for reflecting light away from a front of the display apparatus; an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element relative to the layer of reflective material thereby forming pixels on the display apparatus, wherein the layer of reflective material reflects light impinging on a surface of the layer of reflective material facing away from the array of MEMS-based light modulators; and a second layer of reflective material positioned on an opposite side of the layer of reflective material from the MEMS-based light modulators, and facing towards the layer of reflective materials. - View Dependent Claims (17, 18, 19, 20)
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21. A display apparatus for forming an image comprising:
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a layer of reflective material for reflecting light away from a front of the display apparatus; and an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element relative to the layer of reflective material thereby forming pixels on the display apparatus, wherein the layer of reflective material reflects light impinging on a surface of the layer of reflective material facing away from the array of MEMS-based light modulators and the layer of reflective material absorbs light impinging on a surface of the layer of reflective material facing towards the array of MEMS-based light modulators. - View Dependent Claims (22, 23, 24, 25)
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26. A display apparatus for forming an image comprising:
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a layer of reflective material for reflecting light away from a front of the display apparatus; an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element relative to the layer of reflective material thereby forming pixels on the display apparatus; and a liquid located at least between the modulation elements and the layer of reflective material. - View Dependent Claims (27, 28, 29, 30, 31)
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32. A display apparatus for forming an image comprising:
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a layer of reflective material for reflecting light away from a front of the display apparatus, wherein the layer of reflective material comprises a dielectric mirror; and an array of MEMS-based light modulators supported proximate the layer of reflective material, wherein each of the MEMS-based light modulators includes a modulation element and an actuator for moving the modulation element substantially to the layer of reflective material thereby forming pixels on the display apparatus. - View Dependent Claims (33, 34, 35, 36, 37)
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Specification