IP Library Granted Patent US 9,740,331
Granted Patent B2
US 9,740,331 · App. 15/338,621 · Granted Aug 22, 2017

Display device with touch panel

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Quick Facts
Patent No.
US 9,740,331
App. No.
15/338,621
Filed
Oct 31, 2016
Granted
Aug 22, 2017
Kind
B2
Art Unit
2697
USPC
345/174
Abstract

A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.

Claims (42)

1. A touch panel comprising:

X electrodes; and

Y electrodes which intersect the X electrodes;

wherein the X electrodes and the Y electrodes respectively include:

intersection portions each formed where the X electrodes and the Y electrodes overlap each other; and

individual electrodes each formed between the intersection portions and being wider than the intersection portions;

wherein a number of the individual electrodes of the X electrodes is n and a number of the individual electrodes of the Y electrodes is m;

wherein an area of the individual electrodes of the X electrodes is smaller than an area of the individual electrodes of the Y electrodes if the number n is larger than the number m;

wherein the X electrodes and Y electrodes are made of a transparent conductive material; and

wherein a floating electrode is formed between the individual electrode of the X electrodes and the Y electrodes and made of a transparent conductive material.

2. The touch panel according to claim 1 , wherein either the X electrodes or the Y electrodes are made of an indium tin oxide.

3. The touch panel according to claim 1 ,

wherein the floating electrode is made of an indium tin oxide.

4. The touch panel according to claim 1 , wherein the floating electrodes are smaller in area than the electrode portion of the X electrode and the Y electrode.

5. A touch panel, comprising:

X electrodes which extend in a first direction; and

Y electrodes which extend in a second direction different from the first direction;

wherein the X electrodes and the Y electrodes respectively include:

intersection portions each formed where the X electrodes and the Y electrodes overlap each other; and

electrode portions each formed between the intersection portions;

wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes,

wherein the X electrodes and Y electrodes are made of a transparent conductive material,

wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and between the X electrode and Y electrode, and

wherein the floating electrodes are made of a transparent conductive material.

6. The touch panel according to claim 5 , wherein either the X electrodes or the Y electrodes are made of an indium oxide.

7. The touch panel according to claim 5 , further comprising an insulating layer formed between the X electrodes and the Y electrodes.

8. The touch panel according to claim 5 , wherein the floating electrodes are smaller in area than the electrode portion of the X electrode and the Y electrode.

9. A touch panel comprising:

a substrate including longer sides and shorter sides;

X electrodes formed on the substrate; and

Y electrodes which intersect the X electrodes;

wherein the X electrodes are formed along the longer sides whereas the Y electrodes are formed along the shorter sides;

wherein the X electrodes and the Y electrodes respectively include:

intersection portions each formed where the X electrodes and the Y electrodes overlap each other; and

individual electrodes each formed between the intersection portions and being wider than the intersection portions;

wherein each of the individual electrodes of the X electrodes is smaller in area than each of the individual electrodes of the Y electrodes;

wherein the X electrodes and Y electrodes are made of an indium tin oxide; and

wherein a floating electrode is formed between the individual electrode of the X electrode and the Y electrode and made of an indium tin oxide.

10. The touch panel according to claim 9 , wherein either the X electrodes or the Y electrodes are a transparent conductive electrode.

11. The touch panel according to claim 9 ,

wherein the floating electrode is a transparent conductive electrode.

12. The touch panel according to claim 9 , wherein the floating electrodes are smaller in area than the electrode portion of the X electrode and the Y electrode.