Devices and methods for improving image quality in a display having multiple VCOMs
First Claim
1. A method comprising:
- maintaining a deactivation signal on pixels of the display after programming a frame of data onto the pixels of the display, but before a touch mode;
supplying a first data signal to each pixel of a first set of pixels coupled to a first VCOM while maintaining the deactivation signal, wherein the first VCOM comprises a first area that contains the first set of pixels which share a first common electrode; and
concurrently supplying a second data signal to each pixel of a second set of pixels coupled to a second VCOM while supplying the first data signal, wherein the second VCOM comprises a second area that contains the second set of pixels which share a second common electrode, wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level;
wherein the first data signal is supplied to each pixel of the first set of pixels and the second data signal is supplied to each pixel of the second set of pixels to inhibit image distortion during the touch mode.
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Accused Products
Abstract
Methods and devices for improving image quality in a display having multiple common voltage layers (VCOMs) are provided. In one example, a method may include maintaining a deactivation signal on pixels of the display after programming a frame of data onto the pixels of the display, but before a touch sequence. The method may also include supplying a first data signal to each pixel of a first set of pixels coupled to a first VCOM while maintaining the deactivation signal. The method may include supplying a second data signal to each pixel of a second set of pixels coupled to a second VCOM while supplying the first data signal. The first data signal is supplied to each pixel of the first set of pixels and the second data signal is supplied to each pixel of the second set of pixels to inhibit image distortion during the touch sequence.
23 Citations
24 Claims
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1. A method comprising:
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maintaining a deactivation signal on pixels of the display after programming a frame of data onto the pixels of the display, but before a touch mode; supplying a first data signal to each pixel of a first set of pixels coupled to a first VCOM while maintaining the deactivation signal, wherein the first VCOM comprises a first area that contains the first set of pixels which share a first common electrode; and concurrently supplying a second data signal to each pixel of a second set of pixels coupled to a second VCOM while supplying the first data signal, wherein the second VCOM comprises a second area that contains the second set of pixels which share a second common electrode, wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level; wherein the first data signal is supplied to each pixel of the first set of pixels and the second data signal is supplied to each pixel of the second set of pixels to inhibit image distortion during the touch mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An electronic display comprising:
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a first set of pixels having a first common voltage (VCOM) electrode; a second set of pixels having a second VCOM electrode, wherein the second VCOM electrode is different from and unconnected to the first VCOM electrode; a gate driver configured to maintain a deactivation signal on the first set of pixels and the second set of pixels concurrently; and a source driver configured to concurrently supply a first voltage to the first set of pixels and a second voltage to the second set of pixels concurrently with the deactivation signal being maintained on the first and second sets of pixels, wherein the source driver is configured to supply the first and second voltages during a touch phase of the display to inhibit image distortion by altering a gate to source voltage of the first and second sets of pixels, wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. A method comprising:
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during a display sequence providing image data to pixels of the display; and during a touch sequence concurrently supplying a first data signal to each pixel of a first set of pixels coupled to a first VCOM electrode and supplying a second data signal to each pixel of a second set of pixels coupled to a second VCOM electrode that is different from and not connected to the first VCOM electrode, wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level.
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19. An electronic device comprising:
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a housing; a processor disposed within the housing; one or more input structures configured to transmit input signals to the processor; and an electronic display coupled to the housing and configured to supply a first data signal to each pixel of a first set of pixels coupled to a first common electrode in a first VCOM, to supply a second data signal to each pixel of a second set of pixels coupled to a second common electrode in a second VCOM while supplying the first data signal, and to maintaining a deactivation signal on each pixel of the first and second sets of pixels while the first data signal is supplied to each pixel of the first set of pixels and while the second data signal is supplied to each pixel of the second set of pixels, wherein the first data signal is supplied to each pixel of the first set of pixels and the second data signal is supplied to each pixel of the second set of pixels to inhibit image distortion during a touch phase of the display, wherein the first common electrode is not coupled to the second common electrode, and wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level. - View Dependent Claims (20)
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21. A method comprising:
supplying a first data signal to each pixel of a first set of pixels coupled to a first VCOM supply; and
supplying a second data signal to each pixel of a second set of pixels coupled to a second VCOM supply while supplying the first data signal and without activating the first and second sets of pixels, wherein the first VCOM supply is different than the second VCOM supply and wherein the first data signal has a first voltage level and the second data signal has a second voltage level different from the first voltage level.- View Dependent Claims (22, 23, 24)
Specification