Touch display panel and touch display device with the touch display panel

• US 9,898,145 B2
• Filed: 10/11/2014
• Issued: 02/20/2018
• Est. Priority Date: 04/29/2014
• Status: Expired due to Fees

• Current Assignee: Beijing BOE Display Technology Co Ltd (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Original Assignee: Beijing BOE Display Technology Co Ltd (BOE Technology Group Co., Ltd.), BOE Technology Group Co., Ltd.
• Inventors: Wang, Xiao
• Primary Examiner(s): DANIELSEN, NATHAN ANDREW
• Application Number:
  US14/436,398
• Publication Number:
  US 20160147332A1
• Time in Patent Office: 1,228 Days
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires

Abstract

The present disclosure provides a touch display panel and a touch display device. The touch display panel includes a first substrate and a second substrate arranged opposite to each other to form a cell. The second substrate includes a matrix common electrode. The touch display panel further includes a first signal transmission line arranged on the first substrate and a second signal transmission line arranged on the first substrate, and the second signal transmission line is intersected with the first signal transmission line; and a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line. The first spacer and the second spacer are configured to enable the first signal transmission line and the second signal transmission line to be electrically connected to the matrix common electrode when a corresponding touch region is in a touch state.

Claims

1. A touch display panel, comprising:

a first substrate and a second substrate arranged opposite to each other to form a cell;

the second substrate comprising a matrix common electrode, a gate line, and a data line;

a first signal transmission line arranged on the first substrate and a second signal transmission line arranged on the first substrate, the second signal transmission line intersecting with the first signal transmission line; and

a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line,

wherein the first spacer and the second spacer are configured to enable the first signal transmission line and the second signal transmission line to be electrically connected to the matrix common electrode when a corresponding touch region is in a touch state,

wherein the first substrate is a color filter substrate and the second substrate is an array substrate.

2. The touch display panel according to claim 1, wherein the first signal transmission line and the second signal transmission line are each made of a transparent conductive material.

3. The touch display panel according to claim 1, wherein the first signal transmission line extends in a direction identical to an extension direction of the gate line on the second substrate;

and the second signal transmission line extends in a direction identical to an extension direction of the data line on the second substrate.

4. The touch display panel according to claim 1, wherein the first substrate further comprises a black matrix;

and the first signal transmission line and the second signal transmission line are arranged at a side of the black matrix adjacent to the second substrate.

5. The touch display panel according to claim 1, wherein an insulation layer is arranged between the first signal transmission line and the second signal transmission line at a junction between the first signal transmission line and the second signal transmission line.

6. The touch display panel according to claim 1, wherein the first spacer and the second spacer comprise at least one of a spherical or a cylindrical shape.

7. The touch display panel according to claim 1, wherein:

the first spacer and the second spacer are at least one of (1) each made of a transparent conductive material;

or

(2) each composed of a support member and a conductive material surrounding a surface of the support member.

8. The touch display panel according to claim 1, wherein the first spacer is arranged on the first substrate;

a first end of the first spacer is electrically connected to a side of the first signal transmission line adjacent to the second substrate, and a second end of the first spacer is spaced apart from the matrix common electrode on the second substrate at a certain distance when the corresponding touch region is in a non-touch state; and

the first spacer is in contact with the matrix common electrode when the corresponding touch region is in the touch state;

the second spacer is arranged on the first substrate;

a first end of the second spacer is electrically connected to a side of the second signal transmission line adjacent to the second substrate, and a second end of the second spacer is spaced apart from the matrix common electrode on the second substrate at a certain distance when the corresponding touch region is in the non-touch state; and

the second spacer is in contact with the matrix common electrode when the corresponding touch region is in the touch state.

9. The touch display panel according to claim 1, wherein the first spacer is arranged on the second substrate;

a second end of the first spacer is electrically connected to the matrix common electrode, and a first end of the first spacer is spaced apart from the first signal transmission line on the first substrate at a certain distance when the corresponding touch region is in a non-touch state; and

the first spacer is in contact with the first signal transmission line when the corresponding touch region is in the touch state;

the second spacer is arranged on the second substrate;

a second end of the second spacer is electrically connected to the matrix common electrode, and a first end of the second spacer is spaced apart from the second signal transmission line on the first substrate at a certain distance when the corresponding touch region is in the non-touch state; and

the second spacer is in contact with the second signal transmission line when the corresponding touch region is the touch state.

10. The touch display panel according to claim 9, wherein a contact portion between the first signal transmission line and the first spacer is of an area greater than an area of the first end of the first spacer;

and a contact portion between the second signal transmission line and the second spacer is of an area greater than an area of the first end of the second spacer.

11. The touch display panel according to claim 9, wherein the matrix common electrode comprises a common electrode connecting line;

the common electrode connecting line is configured to connect a common electrode and a common electrode line which are at two sides of the gate line on the second substrate so as to form the matrix common electrode; and

the first spacer and the second spacer are arranged at two ends of the common electrode connecting line and electrically connected to the common electrode connecting line.

12. The touch display panel according to claim 9, wherein the first spacer and the second spacer are at least one of (1) arranged within a pixel unit;

or

(2) arranged at a position where at least one of the gate line or the data line is disposed.

13. The touch display panel according to claim 1,

the first signal transmission line transmits a signal which is used to determine a horizontal coordinate of the touch region, and the second signal transmission line transmits a signal which is used to determine a vertical coordinate of the touch region.

14. A touch display device comprising the touch display panel according to claim 1.

15. A touch display panel, comprising:

a first substrate and a second substrate arranged opposite to each other to form a cell, the second substrate comprising a matrix common electrode, the touch display panel further comprising;

a first signal transmission line arranged on the first substrate and a second signal transmission line arranged on the first substrate, and the second signal transmission line being intersected with the first signal transmission line; and

a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line;

wherein the first spacer and the second spacer are configured to enable the first signal transmission line and the second signal transmission line to be electrically connected to the matrix common electrode when a corresponding touch region is in a touch state;

wherein the first spacer is arranged on the second substrate;

a second end of the first spacer is electrically connected to the matrix common electrode, and a first end of the first spacer is spaced apart from the first signal transmission line on the first substrate at a certain distance when the corresponding touch region is in a non-touch state; and

the first spacer is in contact with the first signal transmission line when the corresponding touch region is in the touch state;

wherein the second spacer is arranged on the second substrate;

a second end of the second spacer is electrically connected to the matrix common electrode, and a first end of the second spacer is spaced apart from the second signal transmission line on the first substrate at a certain distance when the corresponding touch region is in the non-touch state; and

the second spacer is in contact with the second signal transmission line when the corresponding touch region is in the touch state; and

wherein the matrix common electrode comprises a common electrode connecting line;

the common electrode connecting line is configured to connect a common electrode and a common electrode line which are at two sides of a gate line on the second substrate so as to form the matrix common electrode; and

the first spacer and the second spacer are arranged at two ends of the common electrode connecting line and electrically connected to the common electrode connecting line.

16. The touch display panel according to claim 15, wherein a contact portion between the first signal transmission line and the first spacer is of an area greater than an area of the first end of the first spacer;

and a contact portion between the second signal transmission line and the second spacer is of an area greater than an area of the first end of the second spacer.

17. The touch display panel according to claim 15, wherein the first spacer and the second spacer are at least one of:

(1) arranged within a pixel unit;

or

(2) arranged at a position where a gate line or a data line is located.

18. The touch display panel according to claim 15, wherein the first substrate is a color filter substrate and the second substrate is an array substrate;

and

the first signal transmission line transmits a signal which is used to determine a horizontal coordinate of the touch region, and the second signal transmission line transmits a signal which is used to determine a vertical coordinate of the touch region.

19. A touch display panel, comprising a first substrate and a second substrate arranged opposite to each other to form a cell, the second substrate comprising a matrix common electrode, the touch display panel further comprising:

a first signal transmission line arranged on the first substrate and a second signal transmission line arranged on the first substrate, and the second signal transmission line being intersected with the first signal transmission line; and

a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line;

wherein the first spacer and the second spacer are configured to enable the first signal transmission line and the second signal transmission line to be electrically connected to the matrix common electrode when a corresponding touch region is in a touch state;

wherein the matrix common electrode comprises a common electrode connecting line;

the common electrode connecting line is configured to connect a common electrode and a common electrode line which are at two sides of a gate line on the second substrate so as to form the matrix common electrode; and

the first spacer and the second spacer are arranged at two ends of the common electrode connecting line and electrically connected to the common electrode connecting line.

20. The touch display panel according to claim 19, wherein the first substrate is a color filter substrate and the second substrate is an array substrate;

and

the first signal transmission line transmits a signal which is used to determine a horizontal coordinate of the touch region, and the second signal transmission line transmits a signal which is used to determine a vertical coordinate of the touch region.