Touch screen and touch device

• US 10,459,580 B2
• Filed: 02/15/2017
• Issued: 10/29/2019
• Est. Priority Date: 05/09/2016
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Company Limited (BOE Technology Group Co., Ltd.)
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Fan, Haoyuan, Liu, Xu, Zhu, Fengzhi, Yu, Xiang
• Primary Examiner(s): Pervan, Michael
• Application Number:
  US15/547,144
• Publication Number:
  US 20190056815A1
• Time in Patent Office: 986 Days
• Field of Search: 178 1801- 1907, 345173-178
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: G06F 3/0448 Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality

Abstract

A touch screen and a touch device are provided. The touch screen includes a substrate and a plurality of touch electrodes on the substrate arranged at a same layer and in a matrix. Each of the plurality of touch electrode includes at least two sub-electrode wires, and the at least two sub-electrode wires are connected in sequence to form a polyline-shape. The substrate includes a plurality of sub-regions, each of the plurality of sub-region includes at least one touch electrode, and the at least one touch electrodes at a same sub-region are of an identical pattern. The plurality of sub-regions includes at least two sub-regions, and respective touch electrodes of the at least two sub-regions are of different patterns.

Claims

1. A touch screen, comprising a substrate and a plurality of touch electrodes on the substrate arranged at a same layer and in a matrix, wherein each of the plurality of touch electrode comprises at least two sub-electrode wires, and the at least two sub-electrode wires are connected in sequence to form a polyline shape;

the substrate comprises a plurality of sub-regions, each of the plurality of sub-region comprises at least one touch electrode having an identical pattern, and the touch electrodes in adjacent sub-regions are provided with distinct patterns.

2. The touch screen according to claim 1, wherein the sub-regions are arranged in a matrix, the sub-regions in a same row or column comprise at least a first sub-region and a second sub-region, and a pattern of the at least one touch electrode of the first sub-region is different from a pattern of the at least one touch electrode of the second sub-region.

3. The touch screen according to claim 2, wherein the first sub-region comprises a first sub-electrode wire, the second sub-region comprises a second sub-electrode wire, the first sub-electrode wire and the second sub-electrode wire are in a same row or column, and the first sub-electrode wire is not parallel with the second sub-electrode wire.

4. The touch screen according to claim 3, wherein the first sub-electrode wire and the second sub-electrode wire are arranged in a form of a Chinese character “

”

or an inverted Chinese character “

”

.

5. The touch screen according to claim 4, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

6. The touch screen according to claim 3, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

7. The touch screen according to claim 2, wherein a bending angle of the at least one touch electrode of the first sub-region is different from a bending angle of the at least one touch electrode of the second sub-region.

8. The touch screen according to claim 7, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

9. The touch screen according to claim 2, wherein the first sub-region and the second sub-region are arranged alternately.

10. The touch screen according to claim 9, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

11. The touch screen according to claim 2, wherein the plurality of sub-regions is of an identical size.

12. The touch screen according to claim 11, wherein each sub-region comprises at least one row of touch electrodes and at least one column of touch electrodes.

13. The touch screen according to claim 12, wherein among the sub-regions in a same row or column, the touch electrodes at odd-numbered sub-regions are of an identical pattern, the touch electrodes at even-numbered sub-regions are of an identical pattern, and the pattern of the touch electrodes of the odd-numbered sub-regions is different from the pattern of the touch electrodes the even-numbered sub-regions.

14. The touch screen according to claim 13, wherein the touch electrode of a sub-region is arranged axisymmetrically with the touch electrode of an adjacent sub-region in a same row or column.

15. The touch screen according to claim 12, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

16. The touch screen according to claim 11, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

17. The touch screen according to claim 2, wherein the touch electrodes comprise a driving electrode and a sensing electrode, the driving electrode is arranged at one of two adjacent sub-regions in a same row or column, and the sensing electrode is arranged at the other of the two adjacent sub-regions in the same row or column.

18. The touch screen according to claim 1, further comprising a supplementary pattern, wherein the supplementary pattern is arranged between two adjacent sub-regions having different touch electrode patterns to fill a blank region between the two adjacent sub-regions.

19. The touch screen according to claim 1, wherein the touch screen is a single-layer and out-cell touch screen.

20. A touch device comprising a touch screen comprising a substrate and a plurality of touch electrodes on the substrate arranged at a same layer and in a matrix, wherein each of the plurality of touch electrode comprises at least two sub-electrode wires, and the at least two sub-electrode wires are connected in sequence to form a polyline shape;

the substrate comprises a plurality of sub-regions, each of the plurality of sub-region comprises at least one touch electrode having an identical pattern, and the touch electrodes in adjacent sub-regions are provided with distinct patterns.