LUMINAIRE

Japanese Patent JP2023050918

A

To provide a luminaire which achieves small size and weight saving, while securing heat radiation performance.SOLUTION: A luminaire 100 includes: a light source part 12 having a substrate 12a where a light emitting element is arranged; a base 11 where the light source part 12 is fixed to a first surface 11a; a heat radiation piece 20 raised at a second surface 11b positioned on the rear side of the first surface 11a; and a power source part 50 to which power is supplied from the outside, and which generates power for lighting the light emitting element. The power source part 50 includes: a power source substrate 51a having a power source circuit component on a mounting surface; and a power source box for covering the periphery of the power source substrate 51a, and for supporting the power source substrate 51a. The heat radiation piece 20 includes: a fixing part 21 which is one end part of the heat radiation piece 20 fixed to the second surface 11b of the base 11; a tabular part 22 extending in the direction crossing with respect to the second surface 11b from the fixing part 21; and a power source fixing part 23 where the power source part 50 is fixed. The power source box is arranged between the second surface 11b of the base 11 and the fixing part 21 and the tabular part 22 of the heat radiation piece 20, having a gap.SELECTED DRAWING: Figure 8

MORIMOTO KYOTA
TANABE YOSHIMASA
TAKATSUKI TSUTOMU

JP2021161278A

April 11, 2023

September 30, 2021

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MITSUBISHI ELECTRIC CORP
MITSUBISHI ELECTRIC LIGHTING CORP

F21S8/02; F21V23/00; F21V29/503; F21V29/508; F21V29/70

Patent Attorney Corporation Kisa Patent and Trademark Office

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