A method for driving a liquid crystal display panel
A technology of liquid crystal display panel and driving method, which is applied in the direction of static indicators, instruments, etc., can solve the problems of power consumption or cost increase, liquid crystal transmittance reduction, etc., and achieve the effect of increasing power consumption and accelerating tailing phenomenon
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Embodiment 1
[0048] When the liquid crystal display panel is pressed by an external force, the driving voltage of the entire display area is reduced. Specifically, the entire display area of the panel displays 255-level images. For the entire display area, all pixel areas in the display area output a driving voltage from the driver IC. V OP , because the panel updates N times of pictures per second, the driving voltage is reduced by a non-full-time method, and A times of picture updating is selected in N times of picture updating, and the driving voltage output by the driver IC for A times of picture updating is reduced to V OP –ΔV, where A and N are non-zero integers, and AOP is the maximum brightness voltage, ΔV is the voltage drop value, A time can be one time or multiple times, A time pictures can be at least partly continuous or completely dispersed. Since A is smaller than N, it can speed up the recovery of the alignment of the panel after being pressed, and the smaller A is, the l...
Embodiment 2
[0051] When the liquid crystal display panel is pressed by an external force, the driving voltage of the local display area is reduced, specifically, such as image 3 As shown, the partial display area 3 of the panel displays a 255-level picture. For the partial display area 3, the pixel area in the display area is output by a drive IC with a driving voltage V OP , because the panel updates N times of pictures per second, the driving voltage is reduced by a non-full-time method, and A times of picture updating is selected in N times of picture updating, and the driving voltage output by the driver IC for A times of picture updating is reduced to V OP –ΔV, where A and A are non-zero integers, and AOP is the maximum brightness voltage, ΔV is the voltage drop value, A time can be one time or multiple times, A time pictures can be at least partly continuous or completely dispersed. Since A is smaller than A, it is possible to accelerate recovery of the alignment of the panel after...
Embodiment 3
[0054] When the liquid crystal display panel is pressed by an external force, not all pixel areas in the pressed area will produce the visual effect of the smearing phenomenon. Therefore, the driver IC outputs a driving voltage V OP , because the panel updates N times of pictures per second, the driving voltage is reduced by a non-full-time method, and A picture update is selected among the N times of picture updates, and the A picture update is further divided into 3 on average according to the RGB pixel arrangement. For each A / 3 times, reduce the driving voltage of the pixel area corresponding to the color filter of one color in R, G, and B from the driver IC every A / 3 times, and reduce it to V OP –ΔV, that is, A / 3 times of the N times of picture update times are selected for the first time, and the driving voltage output to the pixel area corresponding to R is reduced by a voltage drop value ΔV during the A / 3 times of picture update times, and the second time Select A / 3 tim...
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