| http://www.w3.org/ns/prov#value | - Since a resin, such as epoxy resin, is used in the mount 5 and the internal resin 8, when the high-luminance LED lamp is used for a long period of time, the internal resin 8 or the mount 5, formed of a synthetic resin, in its portion very close to the blue LED 4 is brown or black colored and deteriorated, leading to lowered emission efficiency.
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