LED BACKLIGHT AND ELECTRONIC CONTROL
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Oct 2, 2009
filing date -
Oct 2, 2008
priority date (Note) -
Abandoned
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Abstract
Embodiments comprise a backlight device and a method for controlling the chromaticity and/or luminance of the backlight device. More particularly, embodiments relate to a backlight device for a display which utilizes an array of LED pairs to create a desired chromaticity and luminance of light, whereby the chromaticity and luminance can be closely monitored and maintained throughout the life of the display. A pair of LEDs are used in an exemplary embodiment where the pair contains two blue LEDs with the first LED coated in a red phosphor and the second LED coated in a green phosphor.
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