Patent ID: 9478175
Filing Date: 2016-10-25
CPC Classification: G02F,G09G,H05B,Y02B

Claim Text:
1. A liquid crystal display device, comprising: a liquid crystal display panel comprising a plurality of pixels; a gate driving circuit to provide a gate pulse to the pixels; a data driving circuit to provide a data voltage to the pixels; a timing controller to provide control signals to the data driving circuit and the gate driving circuit; and a backlight unit to provide light to the liquid crystal panel, the backlight unit including: wherein the CPWAM signal has a pulse with an amplitude and a width that are both variable from one period of a predetermined length to another period of the predetermined length, and wherein the control information includes a global dimming value, a local dimming value, a fixed current value, and a vertical sync signal defining the predetermined length of the one period.