BACKLIGHT MODULE WITH MJT LED AND BACKLIGHT UNIT INCLUDING THE SAME
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United States of America Patent
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app pub date -
Jul 29, 2016
filing date -
Mar 6, 2014
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Abstract
A display device includes a display panel and a backlight unit configured to provide light towards the display panel. The backlight unit includes a backlight module including multi junction technology (MJT) light emitting diodes (LEDs) disposed on blocks disposed on a printed circuit board, an operating power generator configured to generate a DC voltage based on an input voltage, and an operation controller configured to independently control an operation of each of the blocks, the operation controller disposed in an IC of drive circuits. Each of the blocks includes at least one of the MJT LEDs, a single anode, and a single cathode. Each of the MJT LEDs includes at least two light emitting cells disposed in a single LED chip, and anodes of the blocks are connected to the operating power generator, and cathodes of the blocks are directly connected to the IC of drive circuits.
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