Illumination device and liquid crystal display device
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United States of America Patent
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Oct 13, 2015
Grant Date -
May 15, 2014
app pub date -
Apr 11, 2013
filing date -
Apr 11, 2012
priority date (Note) -
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Abstract
An illumination device includes a metal base substrate in a flat planar shape, a plurality of LED modules, and a driving unit which drives each of the LEDs arranged on the metal base substrate. The LED modules have an organic substrate, a plurality of LEDs which are arranged on the organic substrate, a metal member, LED control signal terminals which are set on the edge of the organic substrate, and voltage feed terminals which are set on the edge of the organic substrate. The metal member corresponds to each LED and to which the heat from the LEDs is conducted, and which is electrically connected via a switch element from an electrode of the LED, and which penetrates the organic substrate toward its width direction from the LED mounting surface of the organic substrate and is exposed from the opposite surface.
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