# US 12,765,059 B2 · Display panel and display device

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- Number: US 12,765,059 B2
- Document ID: US12765059B2
- Status: Granted
- Kind: B2
- Application number: 18/089,341
- Filed: 2022-12-27
- Published: 2023-05-04
- Granted: 2026-10-13
- Earliest claimed: 2022-08-18
- Assignees: Xiamen Tianma Display Technology Co., Ltd.
- Applicants: Xiamen Tianma Display Technology Co., Ltd.
- Inventors: Qingjun Lai; Jinjin Yang; Yihua Zhu
- Web page: https://patentgrep.com/patent/US12765059B2

## CPC

- H10D 86/60: wherein the TFTs are in active matrices
- H10D 86/441: {Interconnections, e.g. scanning lines}
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES

## Abstract

Provided are a display panel and a display device. The display panel includes a display region and a non-display region. The display panel further includes multiple data lines, multiple connection wires and multiple signal wires. The multiple connection wires are electrically connected to the multiple data lines and the multiple signal wires respectively, the multiple data lines and the multiple connection wires are located in the display region, and the multiple signal wires are located in the non-display region. The multiple connection wires include a first connection wire group and a second connection wire group. The first connection wire group includes multiple first connection wires, the second connection wire group includes multiple second connection wires, the first connection wire group and the second connection wire group are located on two sides of a first central axis of the display panel respectively.

## Claims

### Claim 1

A display panel, comprising a display region and a non-display region, wherein the non-display region is located at least on a side of the display region;
wherein the display panel further comprises a plurality of data lines, a plurality of connection wires and a plurality of signal wires, wherein each of the plurality of connection wires is electrically connected to a respective one of the plurality of data lines and a respective one of the plurality of signal wires, the plurality of data lines and the plurality of connection wires are located in the display region, and the plurality of signal wires are located in the non-display region;
the plurality of connection wires comprise a first connection wire group and a second connection wire group, wherein the first connection wire group comprises a plurality of first connection wires, the second connection wire group comprises a plurality of second connection wires, the first connection wire group and the second connection wire group are located on two sides of a first central axis of the display panel respectively, and an extension direction of the first central axis is parallel to an extension direction of the plurality of data lines; and
the first connection wire group and the second connection wire group are disposed asymmetrically,
wherein a first connection wire of the plurality of first connection wires comprises a first wire section and a second wire section, wherein the first wire section and the second wire section are connected to each other, and an extension direction of the first wire section intersects an extension direction of the second wire section;
a second connection wire of the plurality of second connection wires comprises a third wire section and a fourth wire section, wherein the third wire section and the fourth wire section are connected to each other, and an extension direction of the third wire section intersects an extension direction of the fourth wire section;
the extension direction of the third wire section is parallel to the extension direction of the first wire section, and the extension direction of the fourth wire section is parallel to the extension direction of the second wire section;
the first connection wire group comprises V first connection wires, and the second connection wire group comprises W second connection wires, wherein the first wire section of a v-th first connection wire of the V first connection wires and the third wire section of a w-th second connection wire of the W second connection wires are symmetrical about the first central axis; and
along the extension direction of the plurality of data lines, the second wire section of the v-th first connection wire and the fourth wire section of the w-th second connection wire are disposed in a staggered manner, wherein V, W, v and w are each a positive integer, 1≤v≤V, and 1≤w≤W,
wherein the display panel comprises a plurality of subpixels located in the display region, wherein the plurality of subpixels are arranged in an array;
along a thickness direction of the display panel, the second wire section of the v-th first connection wire overlaps a D-th row of subpixels of the plurality of subpixels, and the fourth wire section of the w-th second connection wire overlaps an E-th row of subpixels of the plurality of subpixels, wherein
v=w, and D is not equal to E.

### Claim 2 (depends on 1)

The display panel according to claim 1, wherein |V−W|≥1.

### Claim 3 (depends on 1)

The display panel according to claim 1, further comprising a plurality of subpixels located in the display region, wherein the plurality of subpixels are arranged in an array;
at least a row of subpixels of the plurality of subpixels are disposed between adjacent two second wire sections, and at least a row of subpixels of the plurality of subpixels are disposed between adjacent two fourth wire sections; and
along the extension direction of the plurality of data lines, at least part of second wire sections are located between adjacent two fourth wire sections, and at least part of fourth wire sections are located between adjacent two second wire sections.

### Claim 4 (depends on 1)

The display panel according to claim 1, wherein along a direction from which the display region points to the non-display region, extension lengths of second wire sections gradually decrease, and extension lengths of fourth wire sections gradually decrease.

### Claim 5 (depends on 1)

The display panel according to claim 1, wherein the first connection wire group comprises an h-th first connection wire and an i-th first connection wire, the plurality of data lines comprise an m-th data line and an n-th data line, and the m-th data line and the n-th data line are located on a same side of the first central axis, wherein h≠i and h and i are each a positive integer, and m≠n and m and n are each a positive integer;
the h-th first connection wire is electrically connected to the m-th data line, and the i-th first connection wire is electrically connected to the n-th data line;
the first wire section of the h-th first connection wire is located on a side of a first wire section of the i-th first connection wire facing away from the first central axis, and the m-th data line is located on a side of the n-th data line facing away from the first central axis;
the second connection wire group comprises a j-th second connection wire and a k-th second connection wire, the plurality of data lines comprise an x-th data line and a y-th data line, and the x-th data line and the y-th data line are located on a same side of the first central axis, wherein j≠k and j and k are each a positive integer, and x≠y and x and y are each a positive integer;
the j-th second connection wire is electrically connected to the x-th data line, and the k-th second connection wire is electrically connected to the y-th data line; and
the third wire section of the j-th second connection wire is located on a side of a third wire section of the k-th second connection wire facing away from the first central axis, and the x-th data line is located on a side of the y-th data line facing away from the first central axis.

### Claim 6 (depends on 1)

The display panel according to claim 1,
wherein the display panel further comprises a plurality of subpixels located in the display region, wherein the plurality of subpixels are arranged in an array; and
an extension length of the second wire section overlapping a row of subpixels of the plurality of subpixels along a thickness direction of the display panel is different from an extension length of the fourth wire section overlapping the row of subpixels along the thickness direction of the display panel.

### Claim 7 (depends on 1)

The display panel according to claim 1, wherein
the first wire section and the third wire section are both disposed in a same layer as the plurality of data lines and are parallel to the extension direction of the plurality of data lines, and the extension direction of the second wire section and the extension direction of the fourth wire section both intersect the extension direction of the plurality of data lines; and
a width of the second wire section is greater than a width of the first wire section, and a width of the fourth wire section is greater than a width of the third wire section.

### Claim 8 (depends on 1)

The display panel according to claim 1,
wherein the display panel further comprises a plurality of subpixels located in the display region, and the plurality of subpixels are arranged in an array; and
at least a row of subpixels of the plurality of subpixels are disposed between adjacent two first wire sections, and at least a row of subpixels of the plurality of subpixels are disposed between adjacent two third wire sections.

### Claim 9 (depends on 1)

The display panel according to claim 1,
wherein the display panel further comprises power supply signal lines located in the display region, and an extension direction of the power supply signal lines is parallel to an extension direction of the second wire section;
the first wire section and the second wire section are disposed in different layers, and the third wire section and the fourth wire section are disposed in different layers;
the first wire section, the third wire section and the plurality of data lines are disposed in a same layer; and
the second wire section, the fourth wire section and the power supply signal lines are disposed in a same layer.

### Claim 10 (depends on 3)

The display panel according to claim 3, further comprising power supply signal lines located in the display region, wherein an extension direction of the power supply signal lines is parallel to the extension direction of the second wire section;
a power supply signal line of the power supply signal lines comprises a first power supply signal line and a second power supply signal line which are disposed adjacent to each other in the extension direction of the plurality of data lines; and
wherein the first power supply signal line and the second power supply signal line satisfy at least one of: the first power supply signal line comprises a first power supply section and a second power supply section which are connected to each other, the first power supply section is located between adjacent two second wire sections, along a thickness direction of the display panel, the second power supply section and the fourth wire section overlap a same row of subpixels of the plurality of pixels, and a line width of the first power supply section is greater than a line width of the second power supply section; or the second power supply signal line comprises a third power supply section and a fourth power supply section which are connected to each other, the third power supply section is located between adjacent two fourth wire sections, along the thickness direction of the display panel, the fourth power supply section and the second wire section overlap a same row of subpixels of the plurality of subpixels, and a line width of the third power supply section is greater than a line width of the fourth power supply section,
wherein the power supply signal lines comprise at least one of positive power supply signal lines or negative power supply signal lines.

### Claim 11 (depends on 4)

The display panel according to claim 4, further comprising a first virtual wire group and a second virtual wire group, wherein
the first virtual wire group comprises a plurality of first virtual wires, and the plurality of first virtual wires are located on a side of the second wire section facing away from the first central axis; and along the direction from which the display region points to the non-display region, extension lengths of the plurality of first virtual wires gradually increase; and
the second virtual wire group comprises a plurality of second virtual wires, and the plurality of second virtual wires are located on a side of the fourth wire section facing away from the first central axis; and along the direction from which the display region points to the non-display region, extension lengths of the plurality of second virtual wires gradually increase,
wherein the plurality of first virtual wires and the second wire section are integrally disposed in a same layer; and
the plurality of second virtual wires and the fourth wire section are integrally disposed in a same layer.

### Claim 12 (depends on 11)

The display panel according to claim 11, wherein the plurality of first virtual wires and the second wire section are disposed insulated from each other in a same layer, and the plurality of second virtual wires and the fourth wire section are disposed insulated from each other in a same layer; and
the plurality of first virtual wires and the plurality of second virtual wires are connected to a fixed potential terminal.

### Claim 13 (depends on 6)

The display panel according to claim 6, wherein along a direction from which the display region points to the non-display region, extension lengths of second wire sections gradually decrease, and extension lengths of fourth wire sections gradually increase.

### Claim 14 (depends on 6)

The display module according to claim 6, wherein along a direction from which the display region points to the non-display region, extension lengths of second wire connections gradually decrease;
the second connection wire group comprises a b-th second connection wire of the plurality of second connection wires and a c-th second connection wire of the plurality of second connection wires, the plurality of data lines comprise a d-th data line and an e-th data line, and the d-th data line and the e-th data line are located on a same side of the first central axis, wherein b≠c and b and c are each a positive integer, and d≠e and d and e are each a positive integer;
the b-th second connection wire is electrically connected to the d-th data line, and the c-th second connection wire is electrically connected to the e-th data line; and
the third wire section of the b-th second connection wire is located on a side of the third wire section of the c-th second connection wire facing away from the first central axis, and the d-th data line is located on a side of the e-th data line facing away from the first central axis.

### Claim 15 (depends on 13)

The display panel according to claim 13, wherein the first connection wire group comprises a p-th first connection wire, and the second connection wire group comprises a q-th second connection wire;
the first wire section of the p-th first connection wire and the third wire section of the q-th second connection wire are symmetrical about the first central axis; and
an extension length of the second wire section of the p-th first connection wire is the same as an extension length of the fourth wire section of the q-th second connection wire.

### Claim 16

A display device, comprising a display panel,
wherein the display panel comprises a display region and a non-display region, wherein the non-display region is located at least on a side of the display region;
wherein the display panel further comprises a plurality of data lines, a plurality of connection wires and a plurality of signal wires, wherein each of the plurality of connection wires is electrically connected to a respective one of the plurality of data lines and a respective one of the plurality of signal wires, the plurality of data lines and the plurality of connection wires are located in the display region, and the plurality of signal wires are located in the non-display region;
the plurality of connection wires comprise a first connection wire group and a second connection wire group, wherein the first connection wire group comprises a plurality of first connection wires, the second connection wire group comprises a plurality of second connection wires, the first connection wire group and the second connection wire group are located on two sides of a first central axis of the display panel respectively, and an extension direction of the first central axis is parallel to an extension direction of the plurality of data lines; and
the first connection wire group and the second connection wire group are disposed asymmetrically,
wherein a first connection wire of the plurality of first connection wires comprises a first wire section and a second wire section, wherein the first wire section and the second wire section are connected to each other, and an extension direction of the first wire section intersects an extension direction of the second wire section;
a second connection wire of the plurality of second connection wires comprises a third wire section and a fourth wire section, wherein the third wire section and the fourth wire section are connected to each other, and an extension direction of the third wire section intersects an extension direction of the fourth wire section;
the extension direction of the third wire section is parallel to the extension direction of the first wire section, and the extension direction of the fourth wire section is parallel to the extension direction of the second wire section;
the first connection wire group comprises V first connection wires, and the second connection wire group comprises W second connection wires, wherein the first wire section of a v-th first connection wire of the V first connection wires and the third wire section of a w-th second connection wire of the W second connection wires are symmetrical about the first central axis; and
along the extension direction of the plurality of data lines, the second wire section of the v-th first connection wire and the fourth wire section of the w-th second connection wire are disposed in a staggered manner, wherein V, W, v and w are each a positive integer, 1≤v≤V, and 1≤w≤W,
wherein the display panel comprises a plurality of subpixels located in the display region, wherein the plurality of subpixels are arranged in an array;
along a thickness direction of the display panel, the second wire section of the v-th first connection wire overlaps a D-th row of subpixels of the plurality of subpixels, and the fourth wire section of the w-th second connection wire overlaps an E-th row of subpixels of the plurality of subpixels, wherein
v=w, and D is not equal to E.