# US 2019/0317355 A1 · Array substrate, display panel and display device

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- Number: US 2019/0317355 A1
- Document ID: US20190317355A1
- Status: Published application
- Kind: A1
- Application number: 16/315,558
- Filed: 2018-11-29
- Published: 2019-10-17
- Earliest claimed: 2018-03-08
- Assignees: Hkc Corporation Limited
- Applicants: Hkc Corporation Limited
- Inventors: Jianfeng SHAN
- Web page: https://patentgrep.com/patent/US20190317355A1

## CPC

- G02F 1/13624: {having more than one switching element per pixel}
- G11C 19/28: using semiconductor elements (G11C19/14, G11C19/36 take precedence)
- G02F 1/1345: Conductors connecting electrodes to cell terminals
- G02F 1/136286: {Wiring, e.g. gate line, drain line}
- G09G 3/3677: {suitable for active matrices only}
- G11C 5/02: Disposition of storage elements, e.g. in the form of a matrix array
- H10D 86/411: {characterised by materials, geometry or structure of the substrates}
- H10D 86/60: wherein the TFTs are in active matrices
- G09G 3/035: {for flexible display surfaces}
- G09G 2300/0408: Integration of the drivers onto the display substrate
- G09G 2310/0286: Details of a shift registers arranged for use in a driving circuit
- G09G 2380/02: Flexible displays
- 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
- G11C: STATIC STORES (semiconductor memory devices H10B)
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

An array substrate, where the array substrate includes a substrate, an active switch, a shift register circuit disposed at a side edge of the substrate and including multiple stages of shift registers, and each of the shift registers includes a first switch, a second switch, a third switch, a fourth switch, and a fifth switch, in which the distance between a first end and a second end of the plurality of switches of the shift registers is greater than a distance between a first end and a second end of the active switch. Hence, increasing the distance between the first end and the second end of the plurality of switches of the shift registers.

## Claims

### Claim 1

An array substrate, comprising:
a substrate;
a plurality of active switches disposed at the substrate; and
a shift register circuit disposed at the substrate and located at a side edge of the substrate, wherein the shift register circuit has multiple stages of shift registers, and each of the shift registers comprises:
a first switch, wherein a control end of the first switch is configured to couple to a first node, a first end of the first switch is configured to couple to a frequency signal, and a second end of the first switch is configured to couple to an output pulse signal;
a second switch, wherein a control end and a first end of the second switch are configured to respectively coupled to an input pulse signal, and a second end of the second switch is configured to couple to the first node;
a third switch, wherein a control end of the third switch is configured to couple to a second node, a first end of the third switch is configured to couple to the output pulse signal, and a second end of the third switch is configured to couple to a low preset potential; and
a fourth switch, wherein a control end of the fourth switch is configured to couple to the second node, a first end of the fourth switch is configured to couple to the first node, and a second end of the fourth switch is configured to couple to the low preset potential;
wherein the distance between the first end and the second end of each of the first switch, the second switch, the third switch and the fourth switch is greater than the distance between a first end and a second end of the active switch.

### Claim 2 (depends on 1)

The array substrate according to claim 1, wherein the shift register circuit comprises multiple stages of shift registers, and the multiple stages of shift registers are disposed on a side edge of the substrate in a sequential arrangement.

### Claim 3 (depends on 1)

The array substrate according to claim 1, wherein the distance between the position of each of the shift registers and the edge of the array substrate is respectively changed in a predetermined manner.

### Claim 4 (depends on 3)

The array substrate according to claim 3, wherein the distances from the multiple stages of shift registers arranged in sequence on the same side and disposed on the same row to the edge of the array substrate on the same side are decreasing.

### Claim 5 (depends on 1)

The array substrate according to claim 1, wherein the shift registers disposed on the same side of the array substrate comprise a first shift register disposed at a first distance from the edge of the array substrate, and a second shift register disposed at a second distance from the edge of the array substrate; the first shift register comprises a first set of switches, and the distance between a first end and a second end of each of the first set of switches is a third distance; the second shift register comprises a second set of switches, and the distance between a first end and a second end of each of the second set of switches is a fourth distance; wherein the first distance is greater than the second distance, and the third distance is less than the fourth distance.

### Claim 6 (depends on 1)

The array substrate according to claim 1, wherein the array substrate comprises the plurality of active switches and the shift register circuit, the shift register circuit comprises multiple stages of shift registers, and the multiple stages of shift registers comprise a plurality sets of surface switches; the distance between the first end and the second end of each of the active switches is a standard distance; the distance between a first end and a second end of each of the plurality sets of surface switches is a surface distance, and the surface distance is a curve distance from the first end of one surface switch actually to the second end of the surface switch along the surface of the surface switch; the surface distance is greater than the standard distance; and a linear distance between the first end and the second end of one surface switch is equal to the standard distance.

### Claim 7 (depends on 6)

The array substrate according to claim 6, wherein the distance difference between the linear distance, from the first end to the second end, and the standard distance of one surface switch is within a preset range.

### Claim 8 (depends on 1)

The array substrate according to claim 1, wherein each of the shift registers comprises a plurality of switches, and the curve distance from the first end of each of the switches to the second end of each of the switches is determined according to an actual curvature at different positions of a display panel.

### Claim 9 (depends on 1)

The array substrate according to claim 1, wherein the shift register circuit comprises a compensation circuit, and the compensation circuit comprises:
a fifth switch, wherein a control end of the fifth switch is configured to couple to the output pulse signal, a first end of the fifth switch is configured to couple to the output pulse signal, and a second end of the fifth switch is configured to couple to the low preset potential.

### Claim 10 (depends on 9)

The array substrate according to claim 9, wherein the distance between the first end and the second end of the fifth switch is greater than the distance between the first end and the second end of the active switch.

### Claim 11 (depends on 10)

The array substrate according to claim 10, wherein the first switch, the second switch, the third switch, the fourth switch and the fifth switch have the same distance between the first end and the second end.

### Claim 12 (depends on 10)

The array substrate according to claim 10, wherein the first end and the second end of each of the first switch, the second switch, the third switch, the fourth switch and the fifth switch have the same width.

### Claim 13 (depends on 9)

The array substrate according to claim 9, wherein the compensation circuit reduces the potential difference between the control end and the first end of the fourth switch.

### Claim 14 (depends on 1)

The array substrate according to claim 1, wherein each of the shift register further comprises a sub pull-down circuit coupled to the first node, the output pulse signal and the low preset potential.

### Claim 15 (depends on 14)

The array substrate according to claim 14, wherein each of the shift register further comprises a sub pull-down circuit controller coupled to the low preset potential and the sub pull-down circuit.

### Claim 16 (depends on 1)

The array substrate according to claim 1, wherein the array substrate comprises:
a substrate;
a plurality of active switches disposed on the substrate; and
a shift register circuit disposed on the substrate and located at a side edge of the substrate, wherein the shift register circuit has multiple stages of shift registers, and each of the shift registers comprises:
a first switch, wherein a control end of the first switch is configured to couple to a first node, a first end of the first switch is configured to couple to a frequency signal, and a second end of the first switch is configured to couple to an output pulse signal;
a second switch, wherein a control end and a first end of the second switch are respectively configured to couple to an input pulse signal, and a second end of the second switch is configured to couple to the first node;
a third switch, wherein a control end of the third switch is configured to couple to a second node, a first end of the third switch is configured to couple to the output pulse signal, and a second end of the third switch is configured to couple to a low preset potential;
a fourth switch, wherein a control end of the fourth switch is configured to couple to the second node, a first end of the fourth switch is configured to couple to the first node, and a second end of the fourth switch is configured to couple to the low preset potential; and
a fifth switch, wherein a control end of the fifth switch is configured to couple to the output pulse signal, a first end of the fifth switch is configured to couple to the output pulse signal, and a second end of the fifth switch is configured to couple to the low preset potential;
wherein the first switch, the second switch, the third switch, the fourth switch and the fifth switch have the same distance between the first end and the second end, and the distance between the first end and the second end of the first switch is greater than the distance between a first end and a second end of the active switch;
wherein the first end and the second end of each of the first switch, the second switch, the third switch, the fourth switch and the fifth switch have an equal projected area on a horizontal plane.

### Claim 17

A display panel, comprising:
a first substrate; and
an array substrate arranged opposite to the first substrate;
wherein the first substrate and the array substrate are flexible substrates;
wherein the array substrate comprises: a plurality of active switches disposed on the substrate; and
a shift register circuit disposed on the substrate and located at a side edge of the substrate, wherein the shift register circuit has multiple stages of shift registers, and each of the shift registers comprises: a first switch, a second switch, a third switch and a fourth switch; wherein the distance between a first end and a second end of each of the first switch, the second switch, the third switch and the fourth switch is greater than a distance between a first end and a second end of each of the active switches.

### Claim 18

A display device, comprising a display panel;
wherein the display panel comprises: a first substrate; and
an array substrate arranged opposite to the first substrate;
the array substrate comprises: a plurality of active switches disposed on the substrate; and
a shift register circuit disposed on the substrate and located at a side edge of the substrate, wherein the shift register circuit has multiple stages of shift registers, and each of the shift registers comprises: a first switch, a second switch, a third switch and a fourth switch; wherein the distance between a first end and a second end of each of the first switch, the second switch, the third switch and the fourth switch is greater than a distance between a first end and a second end of each of the active switches.
