Speckle reduction using screen vibration techniques and apparatus
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Jul 20, 2015
filing date -
Jul 20, 2015
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Abandoned
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Abstract
Disclosed herein are systems and related methods for reducing speckle on display screen. More specifically, screen vibration is used to reduce speckle, and in accordance with the disclosed principles, the vibration may be achieved by using wave-based actuation (e.g., acoustic or electromagnetic waves) to vibrate the screen. In an exemplary embodiment, a speckle reducing system may comprise at least one actuating element located proximate to, but not in physical contact with, a display screen. In addition, the at least one actuating element may be configured to generate waves directed towards the display screen. When the waves impact the display screen, the waves impart vibration to the display screen.
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