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US 11,531,421 B2Granted
Thin film transistor array substrate and touch display panel having varying number of touch traces per touch electrode
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorsMang Zhao, Yanyang Li, Yong Tian
Life of this patent
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Abstract
The present application provides a thin film transistor array substrate and a touch display panel including a plurality of touch electrodes, and the touch electrodes including a first touch electrode, a second touch electrode, and a third touch electrode arranged in a first direction. A number of touch trace electrically connected to the second touch electrode and the driver chip is greater than or equal to a number of touch trace electrically connected to the first touch electrode and the driver chip, and is less than a number of touch trace electrically connected to the third touch electrode and the driver chip.
Claims6
A thin film transistor array substrate, comprising:
- a substrate comprising a non-display area;
- a thin film transistor array layer disposed on the substrate;
- and
- a touch function layer disposed in the thin film transistor array layer, comprising a plurality of touch electrodes, wherein each of the touch electrodes is electrically connected to a first common power line and a driver chip through at least one touch trace;
- wherein the plurality of touch electrodes comprise a first touch electrode, a second touch electrode, and a third touch electrode arranged along a first direction, a fourth touch electrode disposed between the second touch electrode and the driver chip along the first direction, and a dummy trace disposed on and electrically connected to the fourth touch electrode, the number of the touch trace electrically connected to the second touch electrode and the driver chip is greater than or equal to the number of the touch trace electrically connected to the first touch electrode and the driver chip, and the number of the touch trace electrically connected to the second touch electrode and the driver chip is less than the number of the touch trace electrically connected to the third touch electrode and the driver chip;
- or
- the number of the touch trace electrically connected to the second touch electrode and the driver chip is less than the number of the touch trace electrically connected to the first touch electrode and the driver chip, and the number of the touch trace electrically connected to the second touch electrode and the driver chip is greater than or equal to the number of the touch trace electrically connected to the third touch electrode and the driver chip.
4 more elements
A thin film transistor array substrate, comprising:
- a substrate comprising a non-display area;
- a thin film transistor array layer disposed on the substrate;
- and
- a touch function layer disposed in the thin film transistor array layer, comprising a plurality of touch electrodes, wherein each of the touch electrodes is electrically connected to a first common power line and a driver chip through at least one touch trace;
- wherein the plurality of touch electrodes comprise a first touch electrode, a second touch electrode, and a third touch electrode arranged along a first direction,
- the number of the touch trace electrically connected to the second touch electrode and the driver chip is greater than or equal to the number of the touch trace electrically connected to the first touch electrode and the driver chip, and the number of the touch trace electrically connected to the second touch electrode and the driver chip is less than the number of the touch trace electrically connected to the third touch electrode and the driver chip;
- or
- the number of the touch trace electrically connected to the second touch electrode and the driver chip is less than the number of the touch trace electrically connected to the first touch electrode and the driver chip, and the number of the touch trace electrically connected to the second touch electrode and the driver chip is greater than or equal to the number of the touch trace electrically connected to the third touch electrode and the driver chip;
- and
- wherein a dummy trace is disposed between the second touch electrode and the driver chip, and one end of the dummy trace is electrically connected to the second touch electrode;
- a sum of the number of the dummy trace and the number of the touch trace electrically connected to the second touch electrode and the driver chip is greater than the number of the touch trace electrically connected to the first touch electrode and the driver chip, and is less than or equal to the number of the touch trace electrically connected to the third touch electrode and the driver chip;
- or
- the sum of the number of the dummy trace and the number of the touch trace electrically connected to the second touch electrode and the driver chip is less than or equal to the number of the touch trace electrically connected to the first touch electrode and the driver chip, and is greater than the number of the touch trace electrically connected to the third touch electrode and the driver chip.
10 more elements
Dependencies are inferred from the claim text.