Embedded touch screen liquid crystal display device and touch drive method thereof
First Claim
1. An in-cell touch panel liquid crystal display device, comprising:
- a first substrate;
a second substrate disposed opposite the first substrate;
a liquid crystal layer disposed between the first substrate and the second substrate;
a common electrode layer disposed on a side of the second substrate facing the first substrate, anda TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines;
wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device;
wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction;
and wherein,the first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines;
orthe first common electrodes are disposed in the same direction with the data lines, the second common electrodes are disposed in the same direction with the scan lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the scan lines;
orthe first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are electrically connected by metal bridges located in the same layer with the scan lines, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines.
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Accused Products
Abstract
An in-cell touch panel liquid crystal display device is disclosed. The display device includes a first substrate, a second substrate disposed opposite the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. The display device also includes a common electrode layer disposed on a side of the second substrate facing the first substrate, where the common electrode layer includes a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix. In addition, the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device.
56 Citations
20 Claims
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1. An in-cell touch panel liquid crystal display device, comprising:
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a first substrate; a second substrate disposed opposite the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate; a common electrode layer disposed on a side of the second substrate facing the first substrate, and a TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines; wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device; wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction; and wherein, the first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines;
orthe first common electrodes are disposed in the same direction with the data lines, the second common electrodes are disposed in the same direction with the scan lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the scan lines;
orthe first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are electrically connected by metal bridges located in the same layer with the scan lines, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of driving an in-cell touch panel liquid crystal display device, the display device comprising:
- a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode layer disposed on a side of the second substrate facing the first substrate, and a TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines, wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device, wherein a common electrode layer of the device is time division multiplexed, wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction, wherein the method comprises;
providing a display signal to the common electrode layer in a display mode; and providing a touch detecting signal to the common electrode layer in a touch mode; and wherein, the first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines;
orthe first common electrodes are disposed in the same direction with the data lines, the second common electrodes are disposed in the same direction with the scan lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the scan lines;
orthe first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are electrically connected by metal bridges located in the same layer with the scan lines, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines. - View Dependent Claims (14, 15, 16)
- a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode layer disposed on a side of the second substrate facing the first substrate, and a TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines, wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device, wherein a common electrode layer of the device is time division multiplexed, wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction, wherein the method comprises;
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17. A method of driving an in-cell touch panel liquid crystal display device, the display device comprising:
- a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode layer disposed on a side of the second substrate facing the first substrate, and a TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines, wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device, wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction, wherein the method comprises;
simultaneously providing a display signal and a touch detecting signal to a common electrode layer of the in-cell touch panel liquid crystal display device; and detecting a touched position on the in-cell touch panel liquid crystal display device while displaying an image; and wherein, the first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines;
orthe first common electrodes are disposed in the same direction with the data lines, the second common electrodes are disposed in the same direction with the scan lines, the first common electrodes are directly connected, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the scan lines;
orthe first common electrodes are disposed in the same direction with the scan lines, the second common electrodes are disposed in the same direction with the data lines, the first common electrodes are electrically connected by metal bridges located in the same layer with the scan lines, and the second common electrodes are electrically connected by the metal bridges located in the same layer with the data lines. - View Dependent Claims (18, 19, 20)
- a first substrate, a second substrate disposed opposite the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, a common electrode layer disposed on a side of the second substrate facing the first substrate, and a TFT layer which comprises scan lines disposed on a side of the second substrate that faces the first substrate, and data lines intersecting with the scan lines, wherein the common electrode layer comprises a plurality of first common electrodes and a plurality of second common electrodes both arranged in a matrix, wherein the first common electrodes and the second common electrodes are configured to detect a touched position on the in-cell touch panel liquid crystal display device, wherein the first common electrodes are arranged in a first direction, and the second common electrodes are arranged in a second direction, wherein the method comprises;
Specification