ILLUMINATING DEVICE, BACKLIGHT DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, METHOD FOR CONTROLLING ILLUMINATING DEVICE AND METHOD FOR CONTROLLING LIQUID CRYSTAL DISPLAY DEVICE

摘要

An illuminating device is provided with a plurality of light source modules (LM) each of which has a light emitting body and a driving circuit for driving the light emitting body, and the illuminating device separately controls the driving circuit of each light source module. All the light source modules are grouped by having a plurality of light source modules arranged at an interval (d) as one group. A step of lighting light emitting bodies of the light source modules belonging to the same group (for instance, LM(1, 1)·LM(1, 9)) at the same time under prescribed conditions is performed in sequence for all the groups. Based on the obtained light emitting quantity of the light emitting body of each light source module (LM), the driving circuit of the light source module is controlled. Thus, in a backlight device provided with a plurality of illuminating areas, the light emitting quantity in each illuminating area can be accurately corrected in a short time.