# US 12,183,745 B2 · Display panel and display apparatus

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- Number: US 12,183,745 B2
- Document ID: US12183745B2
- Status: Granted
- Kind: B2
- Application number: 17/563,610
- Filed: 2021-12-28
- Published: 2022-04-21
- Granted: 2024-12-31
- Earliest claimed: 2021-10-08
- Assignees: Xiamen Tianma Micro-Electronics Co., Ltd.
- Applicants: Xiamen Tianma Micro-Electronics Co., Ltd.
- Inventors: Kunfeng Zhang; Yiqiang Lin; Wei Wu; Boping Shen
- Web page: https://patentgrep.com/patent/US12183745B2

## CPC

- H10D 86/60: wherein the TFTs are in active matrices
- G09G 3/20: for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters}
- H10D 86/441: {Interconnections, e.g. scanning lines}
- G09G 2340/0407: Resolution change, inclusive of the use of different resolutions for different screen areas
- H10D 86/411: {characterised by materials, geometry or structure of the substrates}
- H10D: INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- 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)

## Abstract

A display panel and a display apparatus includes sub-pixels, and First and second regions arranged along a first direction. First sub-pixel groups in the first region and second sub-pixel groups in the second region are arranged along the first direction, and each include at least two sub-pixels arranged along the second direction. A number of the sub-pixels in the second sub-pixel group close to the first region is greater than a number of the sub-pixels in the second sub-pixel groups away from the first region. The first sub-region of the second region is closer to the first region than the second sub-region. From the first region to the second region, a variation rate of the numbers of the sub-pixels in the second sub-pixel groups in the first sub-region is greater than a variation rate of the numbers of the sub-pixels in the second sub-pixel groups in the second sub-region.

## Claims

### Claim 1

A display panel, comprising a plurality of sub-pixels, wherein the display panel has a first region and a second region that are arranged along a first direction,
wherein first sub-pixel groups are located in the first region of the display panel and are arranged along the first direction, and at least one of the first sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along a second direction intersecting with the first direction;
wherein second sub-pixel groups are located in the second region of the display panel and are arranged along the first direction, and at least one of the second sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along the second direction;
wherein a number of the at least two sub-pixels in each of the first sub-pixel groups is greater than a number of the at least two sub-pixels in each of the second sub-pixel groups; and, among the second sub-pixel groups, a number of the at least two sub-pixels in one of the second sub-pixel groups that is close to the first region is greater than a number of the at least two sub-pixels in one of the second sub-pixel groups that is away from the first region;
wherein the second region comprises a first sub-region and a second sub-region, the first sub-region is closer to the first region than the second sub-region; and, in a direction from the first region to the second region, a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the first sub-region is greater than a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the second sub-region; and
wherein at least one of the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the first sub-region or the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the second sub-region has a fixed value.

### Claim 2 (depends on 1)

The display panel according to claim 1, wherein a number m1 of the at least two sub-pixels in one of two adjacent second sub-pixel groups of the second sub-pixel groups and a number m2 of the at least two sub-pixels in the other one of the two adjacent second sub-pixel groups satisfy m2≤m1*0.95.

### Claim 3 (depends on 1)

The display panel according to claim 1, wherein in the direction from the first region to the second region, at least one of the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the first sub-region or the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the second sub-region decreases.

### Claim 4 (depends on 1)

The display panel according to claim 1, wherein in the direction from the first region to the second region, the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the first sub-region decreases, and the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the second sub-region has a fixed value; or
in the direction from the first region to the second region, the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the first sub-region has a fixed value, and the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the second sub-region decreases.

### Claim 5 (depends on 1)

The display panel according to claim 1, wherein the second region comprises at least one bevel edge; and each of at least two of the plurality of sub-pixels in the second region comprises a portion, and the portions of the at least two of the plurality of sub-pixels in the second region are located at a same side of one of the at least one bevel edge; and
a minimum angle formed between the bevel edge and the first direction is a first angle α, where α≥0.5°; or a minimum angle formed between the bevel edge and the second direction is a second angle β, where β≥0.5°.

### Claim 6 (depends on 5)

The display panel according to claim 5, wherein the bevel edge comprises a first edge and a second edge that are connected to each other, wherein the first edge is adjacent to the first sub-region, and the second edge is adjacent to the second sub-region; and
a minimum angle formed between the first edge and the second direction is the second angle β, and a minimum angle formed between the second edge and the first direction is the first angle α.

### Claim 7 (depends on 6)

The display panel according to claim 6, wherein at least one of the first edge or the second edge has a straight-line shape.

### Claim 8 (depends on 6)

The display panel according to claim 6, wherein one of the first edge and the second edge has an arc shape, and the other one of the first edge and the second edge has a straight-line shape.

### Claim 9 (depends on 1)

The display panel according to claim 1, wherein the display panel has a first side and a second side that are opposite to each other along the second direction;
one of at least two of the plurality of sub-pixels that are closest to the first side in the first region, is not aligned with one of at least two of the plurality of sub-pixels that are closest to the first side in the second region in the first direction; and
one of at least two of the plurality of sub-pixels that are closest to the second side in the first region, is not aligned with one of at least two of the plurality of sub-pixels that are closest to the second side in the second region in the first direction.

### Claim 10 (depends on 9)

The display panel according to claim 9, wherein the first side and the second side are axisymmetric.

### Claim 11 (depends on 1)

The display panel according to claim 1, wherein the display panel has a first side and a second side that are opposite to each other along the second direction;
one of at least two of the plurality of sub-pixels that are closest to the first side in the first region, is not aligned with one of at least two of the plurality of sub-pixels that are closest to the first side in the second region in the first direction; and
one of at least two of the plurality of sub-pixels that are closest to the second side in the first region, is aligned with one of at least two of the plurality of sub-pixels that are closest to the second side in the second region in the first direction.

### Claim 12 (depends on 1)

The display panel according to claim 1, wherein the display panel has a display region and a non-display region, wherein the display region is adjacent to the non-display region, and the non-display region surrounds the display region; and
at least one of the plurality of sub-pixels comprises a portion located in the display region.

### Claim 13

A display panel, comprising a plurality of sub-pixels, wherein the display panel has a first region and a second region that are arranged along a first direction,
wherein first sub-pixel groups are located in the first region of the display panel and are arranged along the first direction, and at least one of the first sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along a second direction intersecting with the first direction;
wherein second sub-pixel groups are located in the second region of the display panel and are arranged along the first direction, and at least one of the second sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along the second direction;
wherein a number of the at least two sub-pixels in each of the first sub-pixel groups is greater than a number of the at least two sub-pixels in each of the second sub-pixel groups; and, among the second sub-pixel groups, a number of the at least two sub-pixels in one of the second sub-pixel groups that is close to the first region is greater than a number of the at least two sub-pixels in one of the second sub-pixel groups that is away from the first region;
wherein the second region comprises a first sub-region and a second sub-region, the first sub-region is closer to the first region than the second sub-region; and, in a direction from the first region to the second region, a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the first sub-region is greater than a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the second sub-region;
wherein the display panel has a display region and a non-display region, wherein the display region is adjacent to the non-display region, and the non-display region surrounds the display region; and
the non-display region covers at least two of the plurality of sub-pixels that are located in the second region.

### Claim 14 (depends on 13)

The display panel according to claim 13, wherein at least one of the plurality of sub-pixels comprises a pixel electrode, wherein an area of the pixel electrode of one of the plurality of sub-pixels in the non-display region is smaller than an area of the pixel electrode of one of the plurality of sub-pixels in the display region.

### Claim 15 (depends on 13)

The display panel according to claim 13, wherein each of at least one sub-pixel of the plurality of sub-pixels located in the display region each comprise a pixel electrode, and each of at least one sub-pixel of the plurality of sub-pixels located in the non-display region does not comprise the pixel electrode.

### Claim 16 (depends on 13)

The display panel according to claim 13, further comprising:
a plurality of thin film transistors that is arranged corresponding to the plurality of sub-pixels,
wherein at least one of the plurality of thin film transistors comprises a semiconductor layer, a source electrically connected to a data line, a drain, and a gate electrically connected to a scanning line; and
the non-display region covers at least one of the plurality of thin film transistors located in the second region.

### Claim 17 (depends on 16)

The display panel according to claim 16, wherein at least one of the semiconductor layer, the data line, or the scanning line in the second region comprises one portion located in the non-display region and another portion located in the display region, and the one portion has a width greater than a width of the another portion.

### Claim 18 (depends on 16)

The display panel according to claim 16, wherein at least one of the semiconductor layer, the data line, or the scanning line in the second region comprises one portion located in the non-display region and another portion located in the display region, and in regions with a same area, the one portion has a length greater than a length of the another portion.

### Claim 19

A display apparatus, comprising a display panel,
wherein the display panel comprises a plurality of sub-pixels, wherein the display panel has a first region and a second region that are arranged along a first direction,
wherein first sub-pixel groups are located in the first region of the display panel and are arranged along the first direction, and at least one of the first sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along a second direction intersecting with the first direction;
wherein second sub-pixel groups are located in the second region of the display panel and are arranged along the first direction, and at least one of the second sub-pixel groups comprises at least two sub-pixels of the plurality of sub-pixels that are arranged along the second direction;
wherein a number of the at least two sub-pixels in each of the first sub-pixel groups is greater than a number of the at least two sub-pixels in each of the second sub-pixel groups; and, among the second sub-pixel groups, a number of the at least two sub-pixels in one of the second sub-pixel groups that is close to the first region is greater than a number of the at least two sub-pixels in one of the second sub-pixel groups that is away from the first region;
wherein the second region comprises a first sub-region and a second sub-region, the first sub-region is closer to the first region than the second sub-region; and, in a direction from the first region to the second region, a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the first sub-region is greater than a variation rate of the numbers of the sub-pixels in at least two of the second sub-pixel groups in the second sub-region; and
wherein at least one of the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the first sub-region or the variation rate of the numbers of the sub-pixels in the at least two of the second sub-pixel groups in the second sub-region has a fixed value.