REPAIRABLE TOUCH CONTROL DEVICE AND METHOD OF REPAIRING TOUCH CONTROL PANEL

• US 20100007615A1
• Filed: 12/22/2008
• Published: 01/14/2010
• Est. Priority Date: 07/11/2008
• Status: Active Grant

• Current Assignee: AU Optronics Corporation
• Original Assignee: AU Optronics Corporation
• Inventors: Hsieh, Yao-Jen, Wu, Yuan-Chun, Lee, Hsin-Hung, Ma, Mei-Sheng, Cheng, Kuo-Hsing
• Granted Patent: US 8,199,120 B2
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment
• CPC Class Codes: G06F 3/047 using sets of wires, e.g. crossed wires

Abstract

A repairable touch control device includes a substrate, a sensor circuit, and at least a repairing wiring. The substrate includes a sensor region, and a peripheral region. The sensor circuit, which includes sensor wirings, is disposed in the sensor region. The repairing wiring is disposed in the peripheral region for repairing the sensor wirings.

Claims

1. A repairable touch control device, comprising:

a substrate comprising a sensor region and a peripheral region

a sensor circuit disposed in the sensor region, wherein the sensor circuit comprises a plurality of sensor wirings; and

at least a repairing wiring disposed in the peripheral region, wherein the repairing wiring is configured to repair the sensor wirings.

2. The repairable touch control device of claim 1, wherein the sensor wirings and the repairing wiring are located in the same plane.

3. The repairable touch control device of claim 1, wherein the sensor wirings are disposed on the repairing wiring or the repairing wiring is disposed on the sensor wirings.

4. The repairable touch control device of claim 1, wherein the sensor wirings comprise a plurality of horizontal sensor wirings and a plurality of vertical sensor wirings, wherein each of the horizontal sensor wirings comprises a plurality of horizontal sensor pads connected in series, and each of the vertical sensor wirings comprises a plurality of vertical sensor pads connected in series.

5. The repairable touch control device of claim 1, further comprising a control circuit electrically connected to the repairing wiring.

6. The repairable touch control device of claim 5, further comprising a plurality of conductive wires configured to electrically connect the sensor wirings to the control circuit.

7. A repairable touch control display panel, comprising:

a display panel comprising a sensor region and a peripheral region on a surface of the display panel;

a sensor circuit disposed in the sensor region, wherein the sensor circuit comprises a plurality of sensor wirings; and

at least a repairing wiring disposed in the peripheral region, wherein the repairing wiring is configured to repair the sensor wirings.

8. The repairable touch control display panel of claim 7, wherein the display panel comprises a liquid display panel.

9. The repairable touch control display panel of claim 8, wherein the liquid display panel comprises:

a thin film transistor (TFT) substrate;

a color filter (CF) substrate disposed opposite to the TFT substrate, wherein the sensor region and the peripheral region are disposed on a surface of the CF substrate opposite to the TFT substrate; and

a liquid crystal layer interposed between the TFT substrate and the CF substrate.

10. The repairable touch control display panel of claim 7, wherein the sensor wirings and the repairing wiring are located in the same plane.

11. The repairable touch control display panel of claim 7, wherein the sensor wirings are disposed on the repairing wiring.

12. The repairable touch control display panel of claim 7, wherein the repairing wiring is disposed on the sensor wirings.

13. The repairable touch control display panel of claim 7, wherein the sensor wirings comprise a plurality of horizontal sensor wirings and a plurality of vertical sensor wirings, wherein each of the horizontal sensor wirings comprises a plurality of horizontal sensor pads connected in series, and each of the vertical sensor wirings comprises a plurality of vertical sensor pads connected in series.

14. The repairable touch control display panel of claim 7, further comprising a control circuit electrically connected to the repairing wiring.

15. The repairable touch control display panel of claim 14, further comprising a plurality of conductive wires configured to electrically connect the sensor wirings to the control circuit.

16. A method of repairing a touch control panel, comprising:

providing a touch control panel, comprising;

a substrate, comprising a sensor region and a peripheral region;

a sensor circuit disposed in the sensor region, wherein the sensor circuit comprises a plurality of sensor wirings; and

at least a repairing wiring disposed in the peripheral region; and

performing a detection process on the sensor circuit to detect a sensor wiring required to be repaired; and

performing a repairing process on the sensor circuit to electrically connect the repairing wiring to the sensor wiring required to be repaired.

17. The method of claim 16, wherein the repairing process comprises utilizing a conductive material to electrically connect the repairing wiring to the sensor wiring.

18. The method of claim 16, wherein the repairing process comprises utilizing a welding process to electrically connect the repairing wiring to the sensor wiring.

19. The method of claim 18, wherein the welding process comprises a laser welding process.

20. The method of claim 16, wherein the repairing process comprises utilizing a laser chemical vapor deposition process to electrically connect the repairing wiring to the sensor wiring.

21. The method of claim 16, wherein the repairing process further comprises electrically connecting the sensor wiring to a control element via the repairing wiring.