| 摘要 |
PROBLEM TO BE SOLVED: To provide an LED luminaire reducing a power loss of a lighting circuit itself, suppressing heat generation from the lighting circuit, and providing an efficient and stable lighting condition. SOLUTION: The LED luminaire includes an LED light emitting portion 2 including an LED element, and a lighting circuit portion 4 lighting the LED element of the LED light emitting portion, wherein at least a part of semiconductor elements constituting the lighting circuit portion 4 is constituted by a wide gap semiconductor such as a GaN semiconductor element or a SiC semiconductor element, thereby obtaining efficient and stable lighting characteristics. COPYRIGHT: (C)2011,JPO&INPIT |
