MULTISCREEN DISPLAY DEVICE
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Sep 19, 2014
filing date -
Nov 20, 2013
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Abstract
A microcomputer calculates a target brightness per brightness mode. Each projection video image display device specifies a target control current value corresponding to a calculated target brightness corresponding to a brightness mode set to the projection video image display device. Each projection video image display device supplies a current indicating the specified control current value to a light source of the projection video image display device.
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