Light emitting device, light emitting device package, and display device
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United States of America Patent
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Apr 16, 2013
Grant Date -
Jan 19, 2012
app pub date -
Jul 11, 2011
filing date -
Jul 13, 2010
priority date (Note) -
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Abstract
A light emitting device is provided that includes a light emitting structure including a first semiconductor layer, an active layer and a second semiconductor layer, with a roughness formed in a surface of the first semiconductor layer; a phosphor layer arranged on the first semiconductor layer; and an adhesive activation layer arranged between the first semiconductor layer and the phosphor layer. The adhesive activation layer fills a concave part of the roughness and a boundary surface between the adhesive activation layer and the phosphor layer is level.
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