LIGHT EMITTING DEVICE, COLOR COORDINATE MEASURING APPARATUS AND COLOR COORDINATE CORRECTION METHOD THEREOF
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United States of America Patent
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Dec 1, 2016
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Sep 15, 2015
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Abstract
A method and apparatus for measuring color coordinates of a light emitting device. The color coordinate measuring apparatus includes a rail on which a substrate is mounted, the substrate having a plurality of light emitting devices (LEDs) formed thereon, a transfer device disposed under the rail and configured to move toward or away from a target region of the substrate, a plurality of electrode pins disposed on the transfer device and configured to respectively contact electrodes of the plurality of light emitting devices in the target region at the same time when the transfer device approaches the target region, a controller configured to sequentially supply electric power to the plurality of electrode pins, and a measurement unit disposed above the rail and configured to be placed above the target region in which the plurality of electrode pins is brought into contact with the electrodes of the plurality of light emitting devices.
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