HIGH BRIGHTNESS OPTICAL DEVICE
First Claim
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1. An optical device, comprising:
- a display source emitting light waves;
a light diffuser for non-uniformly diffusing the light of the display source;
an output aperture for emitting light from the optical device, anda telecentric optical system located between said display source and output aperture for setting the light waves at the output aperture to a specific brightness.
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Abstract
There is provided an optical device, comprising a display source; a light-diffuser; an imaging optical module, and an output aperture from the optical device characterized in that the light diffuser is an angular, non-uniform diffuser of light for increasing a portion of light emerging from the display source that passes through the output aperture. A method for improving the brightness of an optical display is also provided.
126 Citations
17 Claims
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1. An optical device, comprising:
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a display source emitting light waves; a light diffuser for non-uniformly diffusing the light of the display source;
an output aperture for emitting light from the optical device, anda telecentric optical system located between said display source and output aperture for setting the light waves at the output aperture to a specific brightness. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification