IP Library Granted Patent US 9,715,323
Granted Patent B2
US 9,715,323 · App. 15/009,141 · Granted Jul 25, 2017

Touch unit array and a display panel having the same

Inventors: Chia-Chi Lee (Hsin-Chu, TW); Wei-Jou Cheng (Hsin-Chu, TW); Yo-Fu Weng (Hsin-Chu, TW); Che-Chia Hsu (Hsin-Chu, TW); Ying-Chi Lu (Hsin-Chu, TW); Seok-Lyul Lee (Hsin-Chu, TW)
Assignee: AU OPTRONICS CORPORATION
G06F3/044G06F2203/04103G06F2203/04111
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Quick Facts
Patent No.
US 9,715,323
App. No.
15/009,141
Granted
Jul 25, 2017
Kind
B2
Abstract

A touch unit array including a plurality of first strip electrodes, a plurality of second strip electrodes, and a plurality of electrode pad units is provided. Each first strip electrode has at least one first opening. The second strip electrodes are orthogonally arranged to the plurality of first strip electrodes. Each electrode pad unit includes at least one electrode pad, and the electrode pads are respectively disposed in the plurality of first openings, wherein each electrode pad unit receives a first driving signal.

Claims (21)

1. A touch unit array, comprising:

a plurality of first strip electrodes, wherein each of the first strip electrodes has at least one first opening;

a plurality of second strip electrodes interlaced with the first strip electrodes, wherein the first strip electrodes and the second trip electrodes are a mutual capacitance device; and

a plurality of electrode pad units, wherein each of the electrode pad units comprises at least one electrode pad, and the electrode pads are respectively disposed in the plurality of first openings, and each of the electrode pad units receives a first driving signal, wherein the electrode pads are electrically isolated to the first strip electrodes and the second strip electrodes, and the first driving signal comprises a waveform signal, the plurality of electrode pads units is a self capacitance device, each of the electrode pad units is configured to receive the first driving signal and calculate a first touch signal detected by the same electrode pad units, and

each of the first strip electrodes or each of the second strip electrodes is configured to receive a second driving signal and calculate a second touch signal detected by the first strip electrodes or second strip electrodes, and the first driving signal and the second driving signal are independent.

2. The touch unit array of claim 1 , wherein each of the first strip electrodes comprises a plurality of first electrode pads, each second strip electrode comprises a plurality of second electrode pads, and at least one of the first electrode pads has one of the first openings.

3. The touch unit array of claim 2 , wherein the quantity of the first openings is greater than one, each of the second strip electrodes has a plurality of second openings, each of the second electrode pads has one of the second openings, and the electrode pads are respectively disposed in the first openings and the second openings.

4. The touch unit array of claim 3 , wherein each of the electrode pad units comprises at least four electrode pads which are mutually electrically connected and respectively disposed in four of the first openings and second openings adjacent to each other.

5. The touch unit array of claim 3 , wherein each of the electrode pad units comprises two electrode pads which are mutually electrically connected and respectively disposed in two of the first openings adjacent to each other.

6. The touch unit array of claim 3 , wherein one of the electrode pad units comprises a plurality of electrode pads which are mutually electrically connected and respectively disposed in the first openings in a straight line, another one of the electrode pad units comprises a plurality of electrode pads which are mutually electrically connected and respectively disposed in the second openings in another straight line.

7. The touch unit array of claim 1 , wherein the first strip electrodes are configured to receive the second driving signal, and the second strip electrodes are configured to output a detecting signal.

8. The touch unit array of claim 1 , wherein the first strip electrodes and the second strip electrodes are interlaced to form a plurality of overlapping patterns and a plurality of interspaces.

9. The touch unit array of claim 8 , wherein each of the first strip electrodes comprises a plurality of first electrode pads, each of the second strip electrodes comprises a plurality of second electrode pads, and at least one of the first electrode pads has one of the first openings.

10. The touch unit array of claim 9 , wherein the first opening of each of the first strip electrodes is greater than two, each of the second strip electrodes has a plurality of second openings, each of the second electrode pads has one of the second openings, and the electrode pads are respectively disposed in the first openings and the second openings.

11. The touch unit array of claim 9 , further comprising an isolation layer disposed between the first strip electrode and the second strip electrode of the overlapping patterns, the quantity of the first openings is greater than two, each of the second strip electrode has a plurality of second openings, each of the second electrode pad has one of the second openings, and the electrode pads are respectively disposed in the first openings, interspaces, and the second openings.

12. A touch unit array, comprising:

a plurality of first strip electrodes;

a plurality of second strip electrodes interlaced with the first strip electrodes to form a plurality of overlapping patterns and interspaces, wherein the plurality of the first strip electrodes and the plurality of second trip electrodes are a mutual capacitance device; and

a plurality of electrode pad units, wherein each of the electrode pad units comprises at least one electrode pad, the electrode pads are respectively disposed in the interspaces, and each of the electrode pad units receives a first driving signal, and the first driving signal comprises a waveform signal, the plurality of electrode pad units is a self capacitance device, each of the electrode pad units is configured to receive the first driving signal and calculate a first touch signal detected by the same electrode pad unit, and

each of the first strip electrodes or each of the second strip electrodes is configured to receive a second driving signal and calculate a second touch signal detected by the first strip electrodes or second strip electrodes, and the first driving signal and the second driving signal are independent.

13. The touch unit array of claim 12 , wherein the first strip electrodes includes a plurality of first electrode pads, the second strip electrodes includes a plurality of second electrode pads, at least one first opening is formed on one of the first electrode pads, and at least one second opening is formed on one of the second electrode pads.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2016
From: LEE, CHIA-CHI; CHENG, WEI-JOU; WENG, YO-FU; HSU, CHE-CHIA; LU, YING-CHI; LEE, SEOK-LYUL
To: AU OPTRONICS CORPORATION
Reel/Frame 037630/0611 →
Priority Claims (1)
TW 102108076 A · Mar 7, 2013 · national
Continuity (2)
Continuation 14177410 · Feb 11, 2014
Related Publication 20160147340A1 · May 26, 2016