Lighting apparatus, control method therefor and backlight apparatus
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United States of America Patent
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Jan 20, 2015
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N/A
app pub date -
Mar 13, 2013
filing date -
Apr 10, 2012
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Abstract
A lighting apparatus includes a plurality of light sources of which emissions of light are able to be controlled independently of one another, a control unit configured to control brightness of each light source, and a measurement unit configured to measure the brightness of each light source. In cases where the brightness of each light source is measured, the control unit carries out a first control which causes a measurement target light source to turn on and at the same time light sources other than the measurement target light source to turn off, and a second control which decreases the brightness of each of the light sources in a stepwise manner immediately before a turn-off period of time thereof, and which increases the brightness of each of the light sources in a stepwise manner immediately after the turn-off period of time.
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