IP Library › Granted Patent US 10,162,451
Granted Patent B2
US 10,162,451 · App. 14/777,855 · Granted Dec 25, 2018

Double-sided touch control substrate, double-sided touch control device and double-sided touch control display device

Inventors: Hongfei Cheng (Beijing, CN); Yuxin Zhang (Beijing, CN)
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
G06F3/0416G06F3/044G06F3/0412
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Quick Facts
Patent No.
US 10,162,451
App. No.
14/777,855
Granted
Dec 25, 2018
Kind
B2
Abstract

The present invention provides a double-sided touch control substrate, a double-sided touch control device and a double-sided touch control display device. The double-sided touch control substrate comprises a base having a first side and a second side opposite to each other, a first touch control mechanism is provided on the first side, and a second touch control mechanism is provided on the second side. Both the first touch control mechanism and the second touch control mechanism are connected to a touch control driving unit through a switching mechanism, and the switching mechanism enables the first touch control mechanism and the second touch control mechanism to share the touch control driving unit in a time-sharing manner. With the double-sided touch control substrate, a streamlined touch-control device that is not limited to single-sided touch control is implemented by using fewer resources.

Claims (51)

1. A double-sided touch control substrate, comprising:

a base having a first side and a second side opposite to each other;

a first touch control mechanism provided on the first side;

a second touch control mechanism provided on the second side;

a touch control driving unit, wherein the touch control driving unit is provided with a sensing signal line and a driving signal line; and

a switching mechanism,

wherein the first touch control mechanism and the second touch control mechanism are only connected to the switching mechanism directly, both the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit through the switching mechanism, and the switching mechanism is configured to switch the first touch control mechanism and the second touch control mechanism such that the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit in a time-sharing manner,

wherein the first touch control mechanism comprises a first sensing electrode and a first driving electrode, and the second touch control mechanism comprises a second sensing electrode and a second driving electrode; and

wherein the switching mechanism comprises:

a first change-over switch, which is connected to the sensing signal line, the first sensing electrode and the second sensing electrode; and

a second change-over switch, which is connected to the driving signal line, the first driving electrode and the second driving electrode,

the first change-over switch and the second change-over switch are configured to switch between the first sensing electrode and the second sensing electrode to connect the first sensing electrode or the second sensing electrode to the sensing signal line, and configured to switch between the first driving electrode and the second driving electrode to connect the first driving electrode or the second driving electrode to the driving signal line, respectively, such that the first touch control mechanism and the second touch control mechanism separately provided on the first and second sides are controlled in the time-sharing manner.

2. The double-sided touch control substrate according to claim 1 , wherein, the touch control driving unit is provided with a plurality of the sensing signal lines and a plurality of the driving signal lines, the switching mechanism comprises a plurality of the first change-over switches and a plurality of the second change-over switches, the first touch control mechanism comprises a plurality of the first sensing electrodes and a plurality of the first driving electrodes, the second touch control mechanism comprises a plurality of the second sensing electrodes and a plurality of the second driving electrodes, the first change-over switches are provided correspondingly to the sensing signal lines, the first sensing electrodes and the second sensing electrodes, and the second change-over switches are provided correspondingly to the driving signal lines, the first driving electrodes and the second driving electrodes; and

each first change-over switch is connected to the corresponding sensing signal line, and is configured to switch between the corresponding first sensing electrode and the corresponding second sensing electrode to connect the corresponding first or second sensing electrode to the corresponding sensing signal line; each second change-over switch is connected to the corresponding driving signal line, and is configured to switch between the corresponding first driving electrode and the corresponding second driving electrode to connect the corresponding first or second driving electrode to the corresponding driving signal line.

3. The double-sided touch control substrate according to claim 2 , wherein, the first sensing electrodes and the first driving electrodes are in the shape of stripe, and are arranged perpendicular to and intersecting with each other; the second sensing electrodes and the second driving electrodes are in the shape of stripe, and are arranged perpendicular to and intersecting with each other.

4. The double-sided touch control substrate according to claim 3 , wherein, in the first touch control mechanism, the first sensing electrodes and the first driving electrodes are both arranged inside the first side; or the first sensing electrodes and the first driving electrodes are both arranged outside the first side; or the first sensing electrodes are arranged outside the first side, while the first driving electrodes are arranged inside the first side; and

in the second touch control mechanism, the second sensing electrodes and the second driving electrodes are both arranged inside the second side; or the second sensing electrodes and the second driving electrodes are both arranged outside the second side; or the second sensing electrodes are arranged outside the second side, while the second driving electrodes are arranged inside the second side.

5. The double-sided touch control substrate according to claim 4 , wherein, length of touch control time for the first sensing electrodes and the first driving electrodes is the same as that for the second sensing electrodes and the second driving electrodes.

6. The double-sided touch control substrate according to claim 3 , wherein, length of touch control time for the first sensing electrodes and the first driving electrodes is the same as that for the second sensing electrodes and the second driving electrodes.

7. The double-sided touch control substrate according to claim 2 , wherein, the first sensing electrodes and the first driving electrodes are in the shape of rhombus, both the first sensing electrodes and the first driving electrodes are arranged in arrays, and columns of the array formed by the first sensing electrodes and rows of the array formed by the first driving electrodes are perpendicular to and intersecting with each other; the second sensing electrodes and the second driving electrodes are in the shape of rhombus, both the second sensing electrodes and the second driving electrodes are arranged in arrays, and columns of the array formed by the second sensing electrodes and rows of the array formed by the second driving electrodes are perpendicular to and intersecting with each other.

8. The double-sided touch control substrate according to claim 7 , wherein, in the first touch control mechanism, the first sensing electrodes and the first driving electrodes are both arranged inside the first side; or the first sensing electrodes and the first driving electrodes are both arranged outside the first side; or the first sensing electrodes are arranged outside the first side, while the first driving electrodes are arranged inside the first side; and

in the second touch control mechanism, the second sensing electrodes and the second driving electrodes are both arranged inside the second side; or the second sensing electrodes and the second driving electrodes are both arranged outside the second side; or the second sensing electrodes are arranged outside the second side, while the second driving electrodes are arranged inside the second side.

9. The double-sided touch control substrate according to claim 7 , wherein, length of touch control time for the first sensing electrodes and the first driving electrodes is the same as that for the second sensing electrodes and the second driving electrodes.

10. The double-sided touch control substrate according to claim 2 , wherein, length of touch control time for the first sensing electrodes and the first driving electrodes is the same as that for the second sensing electrodes and the second driving electrodes.

11. The double-sided touch control substrate according to claim 1 , wherein, length of touch control time for the first sensing electrodes and the first driving electrodes is the same as that for the second sensing electrodes and the second driving electrodes.

12. A double-sided touch control device, comprising a double-sided touch control substrate, wherein the double-sided touch control substrate comprises:

a base having a first side and a second side opposite to each other;

a first touch control mechanism provided on the first side;

a second touch control mechanism provided on the second side;

a touch control driving unit, wherein the touch control driving unit is provided with a sensing signal line and a driving signal line; and

a switching mechanism,

wherein the first touch control mechanism and the second touch control mechanism are only connected to the switching mechanism directly, both the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit through the switching mechanism, and the switching mechanism is configured to switch the first touch control mechanism and the second touch control mechanism such that the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit in a time-sharing manner,

wherein the first touch control mechanism comprises a first sensing electrode and a first driving electrode, and the second touch control mechanism comprises a second sensing electrode and a second driving electrode,

wherein the switching mechanism comprises:

a first change-over switch, which is connected to the sensing signal line, the first sensing electrode and the second sensing electrode; and

a second change-over switch, which is connected to the driving signal line, the first driving electrode and the second driving electrode,

the first change-over switch and the second change-over switch are configured to switch between the first sensing electrode and the second sensing electrode to connect the first sensing electrode or the second sensing electrode to the sensing signal line, and configured to switch between the first driving electrode and the second driving electrode to connect the first driving electrode or the second driving electrode to the driving signal line, respectively, such that the first touch control mechanism and the second touch control mechanism separately provided on the first and second sides are controlled in the time-sharing manner.

13. A double-sided touch control display device, comprising a double-sided touch control substrate, wherein the double-sided touch control substrate comprises:

a base having a first side and a second side opposite to each other;

a first touch control mechanism provided on the first side;

a second touch control mechanism provided on the second side;

a touch control driving unit, wherein the touch control driving unit is provided with a sensing signal line and a driving signal line; and

a switching mechanism,

wherein the first touch control mechanism and the second touch control mechanism are only connected to the switching mechanism directly, both the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit through the switching mechanism, and the switching mechanism is configured to switch the first touch control mechanism and the second touch control mechanism such that the first touch control mechanism and the second touch control mechanism are connected to the touch control driving unit in a time-sharing manner,

wherein the first touch control mechanism comprises a first sensing electrode and a first driving electrode, and the second touch control mechanism comprises a second sensing electrode and a second driving electrode,

wherein the switching mechanism comprises:

a first change-over switch, which is connected to the sensing signal line, the first sensing electrode and the second sensing electrode; and

a second change-over switch, which is connected to the driving signal line, the first driving electrode and the second driving electrode,

the first change-over switch and the second change-over switch are configured to switch between the first sensing electrode and the second sensing electrode to connect the first sensing electrode or the second sensing electrode to the sensing signal line, and configured to switch between the first driving electrode and the second driving electrode to connect the first driving electrode or the second driving electrode to the driving signal line, respectively, such that the first touch control mechanism and the second touch control mechanism separately provided on the first and second sides are controlled in the time-sharing manner.

14. The double-sided touch control display device according to claim 13 , wherein the base is a liquid crystal panel, an organic light-emitting diode display panel, a double-sided display panel, a transparent display panel, a flexible display panel or a non-flexible display panel.

15. The double-sided touch control display device according to claim 13 , wherein, the length of touch control time for the first sensing electrodes and the first driving electrodes is smaller than length of display time for the first side, and the sum of the length of touch control time and the length of display time is equal to a frame period; and/or, the length of touch control time for the second sensing electrodes and the second driving electrodes is smaller than length of display time for the second side, and the sum of the length of touch control time and the length of display time is equal to the frame period.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 18, 2015
From: CHENG, HONGFEI; ZHANG, YUXIN
To: BOE TECHNOLOGY GROUP CO., LTD.
Reel/Frame 036598/0794 →
Priority Claims (1)
CN 2014 1 0498348 · Sep 25, 2014 · national
Continuity (1)
Related Publication 20160299619A1 · Oct 13, 2016
Cited By (1)
US 12,481,392