LIGHT-EMITTING UNIT AND ILLUMINATOR USING THE LIGHT- EMITTING UNIT

摘要

PROBLEM TO BE SOLVED: To provide an illuminator which is provided with several light sources having different colors and exhibits high color-mixture capability. SOLUTION: The illuminator 2 has several light-emitting diodes 201-203 which are mounted on a substrate 23. It is provided with a color-mixture layer formed of a transparent resin in the form of a column whose bottom is the circular region of the substrate 23 including the light-emitting diodes 201-203, a light distribution layer formed of a transparent resin whose lower bottom is the upper bottom of the color-mixture layer and which has an upper bottom larger than its lower bottom and a light reflector 22 which supports them. The interface between the color mixture layer and the resin layer and the interface between the light distribution layer and the resin layer are mirror surfaces.