US Patent 8946728 Semiconductor light emitting device
Patent 8946728 was granted and assigned to Samsung Electronics on February, 2015 by the United States Patent and Trademark Office.
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A semiconductor light emitting device includes: a light emission structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; and a wavelength conversion layer formed on at least a portion of a light emission surface of the light emission structure, made of a light-transmissive material including phosphor particles, and having a void therein. A semiconductor light emitting device includes: a light emission structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; and a wavelength conversion layer formed on at least a portion of a light emission surface of the light emission structure, made of a light-transmissive material including phosphor particles or quantum dots, and having a void therein.
US Patent 08946728 Semiconductor light emitting device US Patent 8946728 Semiconductor light emitting device
US Patent 08946728 Semiconductor light emitting device
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