Dynamic illumination control for laser projection display

Dynamic illumination control for laser projection display

A display apparatus includes one or more imaging channels, each imaging channel includes a polarized light source and a spatial light modulator that is actuable to modulate the polarized light and provide a modulated polarized light. A control logic processor is disposed to receive and analyze each...

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Hauptverfasser: MARCUS MICHAEL A, PHALEN JAMES G, AGOSTINELLI JOHN A, KOWARZ MAREK W
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator MARCUS MICHAEL A
PHALEN JAMES G
AGOSTINELLI JOHN A
KOWARZ MAREK W
description A display apparatus includes one or more imaging channels, each imaging channel includes a polarized light source and a spatial light modulator that is actuable to modulate the polarized light and provide a modulated polarized light. A control logic processor is disposed to receive and analyze each frame of image data for the one or more imaging channels. A variable brightness attenuator in the path of the modulated polarized light and actuable under the control of the control logic processor to attenuate the modulated polarized light to one of a plurality of attenuation levels for the one or more imaging channels according to each frame of image data.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Dynamic illumination control for laser projection display
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