SEMICONDUCTOR LIGHT-EMITTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide an LED device including a reflection member on an upper part and emitting light from a lateral face, which can easily control chromaticity.

SOLUTION: An LED device 10 comprises: an LED die 20 mounted on a circuit board 3 and covered with a phosphor layer 16 having a predetermined thickness; a transparent layer 12 covering the phosphor layer 16; and a reflection member 11 contacting an upper part of the transparent layer 12. Because practical accuracy of chromaticity of the LED device 10 depends on an emission spectrum of the LED die 20, and a fluorescent material concentration and a thickness of the phosphor layer 16, chromaticity is not changed though the size of the LED device 10 is changed by adjustment of the transparent layer 12.

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