LED ILLUMINATION LAMP

PROBLEM TO BE SOLVED: To provide an LED illumination lamp which is fixed to the tip of a strut erected on the ground to illuminate a road, or the like, attains longer service life and energy saving, and enables easy maintenance. SOLUTION: The LED illumination lamp 2 fixed to the tip 1a of the strut...

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Bibliographische Detailangaben
1. Verfasser:	SAI NAOKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an LED illumination lamp which is fixed to the tip of a strut erected on the ground to illuminate a road, or the like, attains longer service life and energy saving, and enables easy maintenance. SOLUTION: The LED illumination lamp 2 fixed to the tip 1a of the strut 1 erected on the ground includes LED units 2a, 2b, dedicated power supplies 31, 32 which supply a drive current for driving the LED units 2a, 2b; a counting part 37 which counts an accumulated driving time of the LED units 2a, 2b; current control parts 38, 39 which increase the drive current accompanying the increase in the counted accumulated driving time; and a display part 41 which displays a current value level of the drive current according to the accumulated driving time. COPYRIGHT: (C)2011,JPO&INPIT