LIGHTING DEVICE AND ILLUMINATION APPARATUS HAVING THE SAME
PROBLEM TO BE SOLVED: To make it possible to reduce temperature rise of a solid-state light-emitting element at an occurrence of abnormality.SOLUTION: A lighting circuit 11 supplies a current to a light source 20. A protection circuit 12 is connected in series with the light source 20. The protectio...
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Format: | Patent |
Sprache: | eng ; jpn |
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