Integrated touch control display panel and touch display device comprising conductive layer in non-display region
View Patent ↗The present disclosure provides an integrated touch control display panel, including a first substrate, a plurality of data lines supplying display signals to display pixels, a plurality of touch control signal lines carrying touch control signals for touch control electrodes, a plurality of first lead lines for the data lines configured outside a display region, a plurality of second lead lines for the touch control signal lines configured outside the display region, and a conductive layer configured adjacent to the second lead lines. In a direction perpendicular to the first substrate, the first lead lines overlap with the second lead lines in an overlapping region. The second lead lines are configured on the side of the first lead lines facing away from the first substrate. The conductive layer is insulated from the first lead lines, and is electrically connected to the second lead lines.
1. An integrated touch control display panel, comprising:
a first substrate;
a plurality of data lines configured on the first substrate, supplying display signals to display pixels;
a plurality of touch control signal lines configured on the first substrate, carrying touch control signals for touch control electrodes;
a plurality of first lead lines for the data lines configured outside a display region on the first substrate;
a plurality of second lead lines for the touch control signal lines configured outside the display region on the first substrate; and
a conductive layer configured adjacent to the second lead lines,
wherein:
in a direction perpendicular to the first substrate, the first lead lines overlap with the second lead lines in an overlapping region,
the second lead lines are configured on a side of the first lead lines facing away from the first substrate, and
the conductive layer is insulated from the first lead lines and is electrically connected to the second lead lines,
wherein the integrated touch control display panel satisfies one of the following: the conductive layer includes a plurality of conductive lines which are one-to-one mapping with the plurality of second lead lines, and a conductive line has a width wider than a mapped second lead line; and
the second lead lines, which correspond to the touch control lines carrying the touch control signals for one touch control electrode group or one touch control electrode, are electrically connected to one another in the conductive layer.
2. The integrated touch control display panel of claim 1 , further including a common electrode layer, wherein:
the common electrode layer includes a plurality of sub-electrodes insulated from one another;
during a display phase, the sub-electrodes operate as common electrodes; and
during a touch control phase, the sub-electrodes operate as touch control electrodes.
3. The integrated touch control display panel of claim 2 , wherein:
the common electrode layer includes a plurality of first stripe-shaped sub-electrodes;
the first stripe-shaped sub-electrodes extend in a same extension direction as the data lines; and
the first stripe-shaped sub-electrodes are sequentially arranged in a direction intersecting with the extension direction of the data lines.
4. The integrated touch control display panel of claim 3 , wherein:
the touch control signal lines supply touch control driving signals to the first stripe-shaped sub-electrodes.
5. The integrated touch control display panel of claim 4 , further including:
a second substrate configured facing toward the first substrate; and
a plurality of second stripe-shaped sub-electrodes configured on the second substrate, wherein:
the second stripe-shaped sub-electrodes carry touch control detecting signals;
the second stripe-shaped sub-electrodes are sequentially arranged in parallel; and
the second stripe-shaped sub-electrodes extend in a direction intersecting the extension direction of the first stripe-shaped sub-electrodes.
6. The integrated touch control display panel of claim 2 , wherein:
the common electrode layer includes a plurality of square-shaped sub-electrodes; and
the square-shaped sub-electrodes are arranged in an array.
7. The integrated touch control display panel of claim 6 , wherein:
during the touch control phase, the square-shaped sub-electrodes operate as self capacitance touch control electrodes.
8. The integrated touch control display panel of claim 2 , wherein:
the conductive layer is formed coplanar with the common electrode layer.
9. The integrated touch control display panel of claim 1 , wherein:
the second lead line directly overlaps with the mapped conductive line.
10. The integrated touch control display panel of claim 1 , wherein:
a same touch control electrode is electrically connected to a plurality of the touch control signal lines; and
the touch control signal lines are electrically connected to one another through corresponding second lead lines that are electrically connected to one another in the conductive layer.
11. The integrated touch control display panel of claim 1 , wherein:
the conductive layer is configured directly on a side of the second lead lines facing toward the first substrate.
12. The integrated touch control display panel of claim 1 , wherein:
the conductive layer is configured directly on a side of the second lead lines facing away from the first substrate.
13. The integrated touch control display panel of claim 1 , wherein:
the first lead lines include gate electrode layer lead lines and source/drain electrode layer lead lines; and
the gate electrode layer lead lines are not coplanar with the source/drain electrode layer lead lines.
14. The integrated touch control display panel of claim 13 , further including:
a plurality of scanning lines; and
a plurality of thin film transistors configured on the first substrate, wherein:
the thin film transistors are used to control whether the display signals enter the display pixels;
the thin film transistor includes a gate electrode, a source electrode, and a drain electrode;
the gate electrode is connected to a scanning line, the source electrode is connected to a data line, and the drain electrode is connected to a display pixel;
the gate electrode layer lead lines are formed coplanar with the gate electrodes; and
the source/drain electrode layer lead lines are formed coplanar with the source electrodes and the drain electrodes.
15. The integrated touch control display panel of claim 1 , wherein:
the touch control electrode group includes a number of mutually insulated touch control electrodes that carry identical touch control signals synchronously.
16. A touch display device including an integrated touch control display panel, the integrated touch control display panel comprises:
a first substrate;
a plurality of data lines configured on the first substrate, supplying display signals to display pixels;
a plurality of touch control signal lines configured on the first substrate, carrying touch control signals for touch control electrodes,
a plurality of first lead lines for the data lines configured outside a display region on the first substrate;
a plurality of second lead lines for the touch control signal lines configured outside the display region on the first substrate; and
a conductive layer configured adjacent to the second lead lines,
wherein:
in a direction perpendicular to the first substrate, the first lead lines overlap with the second lead lines in an overlapping region,
the second lead lines are configured on a side of the first lead lines facing away from the first substrate, and
the conductive layer is insulated from the first lead lines and is electrically connected to the second lead lines,
wherein the integrated touch control display panel satisfies one of the following:
the conductive layer includes a plurality of conductive lines which are one-to-one mapping with the plurality of second lead lines, and a mapped conductive line has a width wider than a second lead line, and
the second lead lines, which correspond to the touch control lines carrying the touch control signals for one touch control electrode group or one touch control electrode, are electrically connected to one another in the conductive layer.
17. The touch display device of claim 16 , wherein:
the touch control electrode group includes a number of mutually insulated touch control electrodes that carry identical touch control signals synchronously.
18. The touch display device of claim 16 , wherein:
the second lead line directly overlaps with the mapped conductive line.