| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device with high cooling efficiency by realizing its downsizing with a simple configuration. SOLUTION: The lighting device 1 is provided with a plurality of light sources 30R, 30G, 30B corresponding to three optical primary colors and a heat sink 10 commonly used for the plurality of light sources 30R, 30G, 30B and the heat sink 10 constructed like a flat plate is disposed on the rear surface side of a plurality of the light sources 30R, 30G, 30B. COPYRIGHT: (C)2004,JPO&NCIPI
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