Patent ID: 9343021
Filing Date: 2016-05-17
CPC Classification: G09G

Claim Text:
1. A display device comprising: a display panel; and a backlight module disposed below the display panel; wherein the display panel comprises at least one display area including at least one sub display area, the backlight module comprises at least one light emitting unit which is in one-to-one correspondence with the sub display area, each sub display area comprises at least one row of pixel units including switch elements; when the switch elements of the first row of pixel units in the sub display area are turned on, the light emitting unit in the backlight module corresponding to the sub display area is in a turn-on state, when the switch elements of the last row of pixel units in the sub display area are turned off, the light emitting unit in the backlight module corresponding to the sub display area is in a turn-off state, wherein the display device further comprises gate driving circuits in one-to-one correspondence with each display area, the gate driving circuits control the switch elements of the pixel units in the display area to be turned on row by row by means of scanning signals, wherein the backlight module comprises a backlight driving module for generating a backlight driving signal and outputting the backlight driving signal to the light emitting unit, so as to turn on or off the light emitting unit based on the backlight driving signal, and wherein the backlight driving module further comprises a signal acquisition sub module and a driving sub module, wherein the signal acquisition sub module is used for acquiring the scanning signals of the gate driving circuit, the driving sub module is used for generating the backlight driving signal based on the scanning signals of the gate driving circuit.