LIGHT EMITTING DEVICE PACKAGE AND LIGHTING APPARATUS INCLUDING THE SAME
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United States of America Patent
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app pub date -
Feb 4, 2015
filing date -
Feb 5, 2014
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Abandoned
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Abstract
Disclosed are a light emitting device package and a light apparatus including the same. The light emitting device package according to an embodiment of the present disclosure includes a light emitting device that has a first side extending in a first direction and a second side extending in a second direction, and is disposed on a substrate, and a molding unit that has a shape of an isotropic lens disposed on the substrate to surround the light emitting device, wherein a square root of {(length of the first side)2+(length of the second side)2} is smaller than a diameter of the isotropic lens, and the length of the first side is at least 5/3 times more than the length of the second side. According to the present disclosure, the light emitting device may be formed into a rectangular shape or a plurality of light emitting devices may be arranged in a rectangular shape, and therefore an anisotropic illumination distribution may be obtained while applying an isotropic lens which can be easily designed and manufactured, thereby reducing manufacturing time and costs while increasing optical efficiency.
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