Patent ID: 9510404
Filing Date: 2016-11-29
CPC Classification: G02F,G09G,H05B,Y02B

Claim Text:
1. A backlight drive circuit, comprising: a plurality of light emitting cells, divided into several backlight partitions in an even manner; pulse dimming signal units of a same number with the backlight partitions, each of the pulse dimming signal units outputting a pulse dimming signal; and a plurality of backlight drive units, each of which is electrically connected to all of the pulse dimming signal units to receive respective pulse dimming signals output by the pulse dimming signal units, and meanwhile each of which is further electrically connected to an identical number of light emitting cells in all the backlight partitions, wherein, when a pulse dimming signal is output from one of the pulse dimming signal units, all of the backlight drive units supply power to their respectively connected light emitting cells in a corresponding one of the backlight partitions, so as to drive said light emitting cells to emit light.