| 摘要 |
TO PROVIDE AN ILLUMINATION UNIT BY WHICH AN ILLUMINATION REGION HAVING A CONSTANT FLAT ILLUMINANCE DISTRIBUTION IS OBTAINED AT HIGH ILLUMINANCE WHILE ELECTRIC POWER IS SAVED AND WHICH CAN EXTEND THE IRRADIATION DISTANCE, AND AN ILLUMINATION APPARATUS INCLUDING THE ILLUMINATION UNIT. AN ILLUMINATION UNIT (100) USING A LIGHT EMITTING DIODE (17) AS A LIGHT SOURCE IS PROVIDED WITH A LIGHT EMITTING UNIT (21) HAVING A PLURALITY OF LIGHT EMITTING DIODES (17) ON A BASE (19); FIRST REFLECTING SECTIONS (25) THAT ARE PROVIDED TO CORRESPOND TO THE RESPECTIVE PLURALITY OF LIGHT EMITTING DIODES (17) ON THE LIGHT EMITTING SIDE OF THE LIGHT EMITTING UNIT AND REFLECT LIGHT FROM THE LIGHT EMITTING DIODES (17) TOWARD THE LIGHT EMITTING SIDE TO BE SUBSTANTIALLY COLLIMATED; AND A PAIR OF SECOND REFLECTING SECTIONS THAT ARE ARRANGED ON THE LIGHT EMITTING SIDE OF THE FIRST REFLECTING SECTION AND REFLECT LIGHT FROM THE LIGHT EMITTING DIODES (17), WHICH IS NOT INCIDENT ON THE FIRST REFLECTING SECTIONS (25), TOWARD THE LIGHT EMITTING SIDE TO BE SUBSTANTIALLY COLLIMATED. |
