| 摘要 |
PURPOSE: A light source is provided to emit a light emitting module in high efficiency by wiring a plurality of light emitting modules in serial to enable the constant current control. CONSTITUTION: A plurality of light emitting modules comprises a plurality of surface light emitting devices(2) and a housing(4) accepting the surface light emitting devices inside. The plurality of light emitting modules is electrically connected to each other in serial. The housing forms an electrical path for supplying the power to the surface light emitting device.
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