BACKLIGHT APPARATUS AND DISPLAY APPARATUS

摘要

In a backlight apparatus according to an aspect, a plurality of backlight drivers are connected in cascade arrangement, and when a drive signal is provided to the backlight driver corresponding to one of a backlight group positioned uppermost and a backlight group positioned lowermost in a sub scanning direction Y, each of the backlight drivers delays the drive signal by a predetermined period and outputs the delayed drive signal in order of the arrangement of the backlight drivers.

主权项

1. A backlight apparatus comprising:
a plurality of backlight groups arranged in a sub scanning direction of a liquid crystal display (LCD) screen, each of the backlight groups including a plurality of backlights arranged in a main scanning direction of the LCD screen, each of the backlights emitting light toward a back surface of the LCD screen; a plurality of backlight drivers each connected to a corresponding one of the backlight groups for driving the corresponding backlight group; and a signal outputting unit which is connected to the backlight driver connected to one of the backlight group positioned uppermost and the backlight group positioned lowermost in the sub scanning direction, among the plurality of backlight groups, and is configured to output a drive signal for driving the backlight driver for a set period which is a previously set period, wherein the plurality of backlight drivers are connected in cascade arrangement, and when the drive signal is provided to the backlight driver corresponding to the one of the backlight group positioned uppermost and the backlight group positioned lowermost in the sub scanning direction, each of the backlight drivers delays the drive signal by a predetermined period and outputs the delayed drive signal in order of the arrangement of the backlight drivers.