LIGHT SOURCE UNIT FOR DISPLAY DEVICE AND DISPLAY DEVICE USING THE LIGHT SOURCE UNIT

摘要

It is possible to provide a light source unit for a display device or a display device not causing interference fringe or waving noise caused by interference between a vertical synchronization signal used for driving a display panel and a flash cycle of the light source. A light source unit for a display device for operating a light source according to a signal in which ON time for turning ON the light source periodically appears includes means for generating a random number and light adjusting means. The light adjusting means thins the ON time from the signal at random according to the brightness adjustment level by the user so that the blanking time when the light source is OFF appears irregularly.