Touch electrode, driving method and touch panel
AssigneesBoe Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
InventorsWentao Wang, Dawei Shi, Lu Yang, Haifeng Xu, Jie Liu
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Abstract
A touch electrode, a driving method and a touch panel are provided. The touch electrode includes a plurality of stripe electrodes arranged in sequence at intervals, and each of the stripe electrodes includes a separation part for positioning a touch point as well as a first segment electrode and a segment separated by the separation part.
Claims14
A touch electrode, comprising a plurality of stripe electrodes arranged in sequence at intervals, wherein each of the stripe electrodes comprises a separation part configured to position a touch point as well as a first segment electrode and a second segment electrode separated by the separation part,
- wherein each of the strip electrodes extends in a first direction, the plurality of the strip electrodes are arranged in a second direction crossing the first direction, and extending directions of the plurality of the strip electrodes are parallel to each other, the plurality of the strip electrodes comprise at least one electrode group, each of the electrode groups comprises N strip electrodes, and N is a positive integer greater than 1, in each of the electrode groups, in the arrangement direction of the stripe electrodes, lengths of the first segment electrodes are sequentially increased,
- in each of the electrode groups, the length of i-th first segment electrode or second segment electrode counted in the arrangement direction of the stripe electrodes is
- (
- i
- -
- 1
- 2
- )
- *
- L
- N
- -
- D
- 2
- ,
- where i=1, 2, . . . , N, L is the length of each of the stripe electrodes, D is a width of the separation part in the extending direction of each of the strip electrodes, and D is less than or equal to 4 μm.
A method of driving a touch electrode, wherein the touch electrode comprises a plurality of stripe electrodes arranged in sequence at intervals, and each of the stripe electrodes comprises a separation part for positioning a touch point as well as a first segment electrode and a second segment electrode separated by the separation part, wherein each of the strip electrodes extends in a first direction, the plurality of the strip electrodes are arranged in a second direction crossing the first direction, and extending directions of the plurality of the strip electrodes are parallel to each other, the plurality of the strip electrodes comprise at least one electrode group, each of the electrode groups comprises N strip electrodes, and N is a positive integer greater than 1, in each of the electrode groups, in the arrangement direction of the stripe electrodes, lengths of the first segment electrodes are sequentially increased, in each of the electrode groups, the length of i-th first segment electrode or second segment electrode counted in the arrangement direction of the stripe electrodes is
- (
- i
- -
- 1
- 2
- )
- *
- L
- N
- -
- D
- 2
- ,
- where i=1, 2, . . . , N, L is the length of each of the stripe electrodes, D is a width of the separation part in the extending direction of each of the strip electrodes, and D is less than or equal to 4 μm, a position of each of the strip electrodes in an arrangement direction of the plurality of the strip electrodes is defined as a first coordinate, and a position of the separation part in an extending direction of each of the strip electrodes is defined as a second coordinate, the method comprises:
- scanning all of the strip electrodes;
- determining all of the first segment electrodes and the second segment electrodes that output a touch sense signal;
- determining a first set of coordinates of the first segment electrodes and the corresponding separation parts, and a second set of coordinates of the second segment electrodes and the corresponding separation parts;
- determining a position of the touch point according to the first set of coordinates and the second set of coordinates.
Dependencies are inferred from the claim text.