# US 10,871,839 B2 · Color filter substrate, array substrate and display device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,871,839 B2
- Document ID: US10871839B2
- Status: Granted
- Kind: B2
- Application number: 14/903,179
- Filed: 2015-07-10
- Published: 2016-12-22
- Granted: 2020-12-22
- Earliest claimed: 2015-01-22
- Assignees: Boe Technology Group Co., Ltd.; Beijing Boe Optoelectronics Technology Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.; Beijing Boe Optoelectronics Technology Co., Ltd.
- Inventors: Haisheng Wang; Xue Dong; Hailin Xue; Xiaoliang Ding; Shengji Yang; Yingming Liu; Weijie Zhao; Hongjuan Liu; Changfeng Li; Wei Liu; Hao Zhang
- Web page: https://patentgrep.com/patent/US10871839B2

## CPC

- G06F 3/0412: {Digitisers structurally integrated in a display}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G02F 1/133512: {Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence)}
- G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)}
- G06F 3/0416: {Control or interface arrangements specially adapted for digitisers}
- H10D 86/481: {integrated with passive devices, e.g. auxiliary capacitors}
- H10D 86/60: wherein the TFTs are in active matrices
- G02F 1/133388: {with constructional differences between the display region and the peripheral region}
- G02F 1/133514: {Colour filters}
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- H04M 1/23: Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof (by improving visibility H04M1/22)
- H04M 2250/22: including a touch pad, a touch sensor or a touch detector
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08)

## Abstract

A color filter substrate, an array substrate and a display device are disclosed. The display device includes an opposed substrate and an array substrate, or an opposed substrate, an array substrate and a protection substrate located on a side of the opposed substrate that is apart from the array substrate. The display device is divided into a display area and a periphery area, at least one layer of periphery touch electrode is provided in the periphery area, the at least one layer of periphery touch electrode is disposed on at least one of the array substrate, the opposed substrate and the protection substrate. The display device can alleviate the problem of impacting viewing effects due to touch operation on the display area.

## Claims

### Claim 1

A display device, comprising an opposed substrate and an array substrate and a liquid crystal layer therebetween, wherein the display device is divided into a display area and a periphery area, at least one layer of periphery touch electrode is provided in the periphery area;
the opposed substrate comprises a substrate and a color filter layer located on a side of the substrate that is facing the array substrate, and the array substrate comprises a plurality of thin film transistors arranged in an array;
the at least one layer of periphery touch electrode is disposed on the array substrate, and the at least one layer of periphery touch electrode is disposed on a side of the liquid crystal layer, which side is near the array substrate,
wherein a plurality of layers of conductive structure are provided in the display area;
the at least one layer of periphery touch electrode is disposed in a same layer and made of a same material as at least one layer of the plurality of layers of conductive structure, and the at least one layer of periphery touch electrode is insulated from the at least one layer of the plurality of layers of conductive structure.

### Claim 2 (depends on 1)

The display device of claim 1, wherein
the at least one layer of the plurality of layers of conductive structure comprises at least one layer of display area touch electrode.

### Claim 3 (depends on 1)

The display device of claim 1, wherein each of the plurality of thin film transistors comprises a gate electrode, a source electrode and a drain electrode;
the array substrate further comprises a common electrode and a pixel electrode electrically which is connected with the drain electrode, and liquid crystal molecules in the liquid crystal layer are configured to deflect under control of an electric field between the pixel electrode and the common electrode;
the plurality of layers of conductive structure comprise a layer where the gate electrode is located, a layer where the source electrode is located, a layer where the pixel electrode is located and a layer where the common electrode is located.

### Claim 4 (depends on 3)

The display device of claim 3, wherein the at least one layer of periphery touch electrode comprises two layers of periphery touch electrode, the two layers of periphery touch electrode forms capacitors for touch detection.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the two layers of periphery touch electrode are respectively in a same layer and made of a same material as any two selected form the gate electrode, the source electrode, the pixel electrode and the common electrode.

### Claim 6 (depends on 1)

The display device of claim 1, wherein the periphery area is further provided with a periphery black matrix, and the periphery black matrix is located on the opposed substrate or the array substrate.

### Claim 7 (depends on 1)

The display device of claim 1, further comprising a touch chip electrically connected with the periphery touch electrodes,
wherein the touch chip is configured, according to a touched periphery touch electrode in the at least one layer of periphery touch electrode, to implement a set function corresponding to the periphery touch electrode;
the touch chip is configured to determine a movement direction of touch on the display device according to at least two touch positions on the display device, the at least two touch positions all or partially correspond to positions of the periphery touch electrode; and
the touch chip is further configured to determine a movement direction of touch on the display device according to a variation of touch area on the periphery touch electrode.

### Claim 8 (depends on 1)

The display device of claim 1, wherein the at least one layer of periphery touch electrode comprises a plurality of triangular periphery touch electrodes in a same layer;
each of the triangular periphery touch electrodes is configured to determine a movement direction of touch on the display device according to a variation of touch area on the triangular periphery touch electrode.

### Claim 9 (depends on 8)

The display device of claim 8, wherein every two triangular periphery touch electrodes of the plurality of triangular periphery touch electrodes are grouped as a set.

### Claim 10

A display device, comprising an opposed substrate and an array substrate and a liquid crystal layer therebetween,
wherein the display device is divided into a display area and a periphery area outside the display area, the opposed substrate comprises a first base substrate and a color filter layer located on a side of the first base substrate that is facing the liquid crystal layer, and the array substrate comprises a second base substrate and a plurality of thin film transistors arranged in an array on the second base substrate;
the display device further comprises at least one layer of periphery touch electrode in the periphery area, and the color filter layer and the liquid crystal layer are disposed at different sides of the at least one layer of periphery touch electrode.

### Claim 11 (depends on 10)

The display device of claim 10, wherein the at least one layer of periphery touch electrode comprises a first layer of periphery touch electrode, and the display device further comprises a second layer of periphery touch electrode in the periphery area and on a side of the second base substrate that is facing the liquid crystal layer;
the first layer of periphery touch electrode and the second layer of periphery touch electrode forms capacitors for touch detection.

### Claim 12 (depends on 11)

The display device of claim 11, wherein the opposed substrate further comprises a common electrode in the display area;
the first layer of periphery touch electrode is in a same layer and made of a same material as the common electrode, and the second layer of periphery touch electrode is insulated from the common electrode.

### Claim 13 (depends on 10)

The display device of claim 10, wherein the at least one layer of periphery touch electrode comprises a plurality of triangular periphery touch electrodes in a same layer;
each of the triangular periphery touch electrodes is configured to determine a movement direction of touch on the display device according to a variation of touch area on the triangular periphery touch electrode.

### Claim 14 (depends on 13)

The display device of claim 13, wherein every two triangular periphery touch electrodes of the plurality of triangular periphery touch electrodes are grouped as a set.
