LIGHT COMPENSATION TYPE DISCHARGE LAMP LIGHTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a light compensation type discharge lamp lighting device superior in starting performance.;SOLUTION: The light compensation type discharge lamp lighting device 10 comprises a discharge lamp 20 having a built-in starting means 26 to generate a high voltage pulse at the time of starting operation under a certain temperature or lower and an incandescent lamp 22 which is lighted in a period until the discharge lamp 20 is lighted and reaches a prescribed luminous energy after lighting operation of the discharge lamp 20. The discharge lamp lighting device 10 is provided with a ballast 14 to supply lighting electrical power to the discharge lamp and an external starter 12 which is arranged outside of the discharge lamp and generates a high voltage pulse after passing a certain delayed time from the lighting operation.;COPYRIGHT: (C)2008,JPO&INPIT