TOUCH SCREEN AND DRIVING METHOD THEREFOR
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Accused Products
Abstract
The present disclosure discloses a touch screen and a driving method therefore. The touch screen embeds touch control electrodes in a display panel, the touch control electrodes includes touch control signal input electrodes and touch control signal output electrodes which are cross-insulated configured, the first common electrodes are divided into a plurality of areas at least along a direction of the data lines, each area of the first common electrodes corresponds to at least one row of pixel units; the areas of first common electrodes are insulated from each other and used as the touch control signal input electrodes. The touch screen according to the present disclosure divides the common electrodes into a plurality of areas along a direction of the data lines, and uses the areas as touch control signal input electrodes. The present disclosure uses a voltage disturbance generated by common electrodes used as driving electrodes to balance out a reduction of pixel voltage, thereby disturbance impact brought by a scan of the common electrodes is reduced and the quality of the picture is improved.
10 Citations
24 Claims
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1-10. -10. (canceled)
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11. A touch screen with touch control electrodes embedded in a display panel, the touch control electrodes comprising touch control signal input electrodes and touch control signal output electrodes which are cross-insulated configured, the display panel comprising data lines, gate lines and first common electrodes, the gate lines and data lines defining a plurality of pixel units, each pixel unit having a pixel electrode provided therein, wherein,
the first common electrodes are divided into a plurality of areas at least along a direction of the data lines; - each area of the first common electrodes corresponds to at least one row of pixel units;
the areas of first common electrodes are insulated from each other and used as the touch control signal input electrodes. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
- each area of the first common electrodes corresponds to at least one row of pixel units;
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19. A driving method for a touch screen with touch control electrodes embedded in a display panel, the touch control electrodes comprising touch control signal input electrodes and touch control signal output electrodes which are cross-insulated configured, the display panel comprising data lines, gate lines and first common electrodes, the gate lines and data lines defining a plurality of pixel units, each pixel unit having a pixel electrode provided therein, the first common electrodes being divided into a plurality of areas at least along a direction of the data lines;
- each area of the first common electrodes corresponding to at least one row of pixel units;
the areas of first common electrodes being insulated from each other and used as the touch control signal input electrodes;
the driving method comprising;applying a pixel signal onto pixel electrodes of the pixels corresponding to respective areas of the first common electrodes progressively; for each area of the first common electrodes, upon pixel electrodes in a last row of pixels corresponding to said area are applied with the pixel signal, applying a touch control detection drive signal onto said area of first common electrodes during an impulse response period, and detecting voltages or currents of the touch control signal output electrodes. - View Dependent Claims (20, 21, 22, 23, 24)
- each area of the first common electrodes corresponding to at least one row of pixel units;
Specification