# US 12,183,271 B2 · Pixel array and display apparatus

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- Number: US 12,183,271 B2
- Document ID: US12183271B2
- Status: Granted
- Kind: B2
- Application number: 17/913,894
- Filed: 2021-10-29
- Published: 2024-06-27
- Granted: 2024-12-31
- Earliest claimed: 2021-02-02
- Assignees: Boe Technology Group Co., Ltd.
- Applicants: Boe Technology Group Co., Ltd.
- Inventors: Jiangnan Lu; Shiming Shi; Hui Zhao; Libin Liu; Yanyan Wang; Weiwei Wang
- Web page: https://patentgrep.com/patent/US12183271B2

## CPC

- H10K 59/353: {characterised by the geometrical arrangement of the RGB subpixels}
- G09G 3/3208: organic, e.g. using organic light-emitting diodes [OLED]
- H10K 59/352: {the areas of the RGB subpixels being different}
- G09G 2300/0439: Pixel structures
- H10K: ORGANIC ELECTRIC SOLID-STATE 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

The present disclosure provides a pixel array and a display apparatus. The pixel array includes a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein at least a portion of at least one first sub-pixel of the plurality of first sub-pixels includes an inward indentation, at least a portion of at least one second sub-pixel of the plurality of second sub-pixels includes an inward indentation, and at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel includes an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel.

## Claims

### Claim 1

A pixel array, comprising a plurality of first sub-pixels having a first color, a plurality of second sub-pixels having a second color, and a plurality of third sub-pixels having a third color; wherein
the plurality of first sub-pixels and the plurality of third sub-pixels are alternately arranged in a first direction to form a plurality of first sub-pixel rows; the plurality of second sub-pixels are arranged in the first direction to form a plurality of second sub-pixel rows; the plurality of first sub-pixel rows and the plurality of second sub-pixel rows are alternately arranged in a second direction; and the plurality of first sub-pixels and the plurality of third sub-pixels are alternately arranged in the second direction to form a plurality of first sub-pixel columns; the plurality of second sub-pixels are arranged in the second direction to form a plurality of second sub-pixel columns; the plurality of first sub-pixel columns and the plurality of second sub-pixel columns are alternately arranged in the first direction; the second direction is different from the first direction, and
wherein at least a portion of each of at least one first sub-pixel of the plurality of first sub-pixels comprises an inward indentation, at least a portion of each of at least one second sub-pixel of the plurality of second sub-pixels comprises an inward indentation, and each of at least one of the plurality of third sub-pixels adjacent to the at least one second sub-pixel comprises an outward protrusion corresponding to the inward indentation of the at least one second sub-pixel;
wherein lines, sequentially connecting centers of two first sub-pixels and centers of two third sub-pixels in two adjacent first sub-pixel rows of the plurality of first sub-pixel rows and two adjacent first sub-pixel columns of the plurality of first sub-pixel columns, constitute a first virtual square;
one of the plurality of second sub-pixels is at a center of the first virtual square; and
the centers of the two first sub-pixels and the centers of the two third sub-pixels are at four vertexes of the first virtual square, respectively;
wherein the at least one second sub-pixel each comprises a first side and a second side opposite to each other, which are respectively close to two adjacent third sub-pixels, the first side and the second side are symmetrically arranged about a line connecting a center of the second sub-pixel and the centers of the two adjacent third sub-pixels in the first virtual square, and this line passes through centers of the first side and the second side; and
wherein the centers of the first side and the second side are on the line connecting the center of the second sub-pixel and the centers of the two adjacent third sub-pixels in the first virtual square and closer to the center of the second sub-pixel in the first virtual square than points, other than the centers of the first side and the second side, of the first side and the second side.

### Claim 2 (depends on 1)

The pixel array of claim 1, wherein
the at least one second sub-pixel each comprises a third side and a fourth side opposite to each other, which are respectively close to two adjacent first sub-pixels, the third side and the fourth side are symmetrically arranged about a line connecting a center of the second sub-pixel with centers of the two adjacent first sub-pixels in the first virtual square, and this line passes through centers of the third side and the fourth side.

### Claim 3 (depends on 2)

The pixel array of claim 2, wherein
the first direction is perpendicular to the second direction, and
the line connecting the center of the second sub-pixel and the centers of the two adjacent third sub-pixels in the first virtual square is perpendicular to the line connecting the center of the second sub-pixel and the centers of the two adjacent first sub-pixels in the same first virtual square, and has an included angle with respect to the first direction in a range from 36° to 54°.

### Claim 4 (depends on 1)

The pixel array of claim 1, wherein
the centers of the third side and the fourth side are on the line connecting the center of the second sub-pixel and the centers of the two adjacent first sub-pixels in the first virtual square and are farther away from the center of the second sub-pixel in the first virtual square than points, other than the centers of the third side and the fourth side, of the third side and the fourth side.

### Claim 5 (depends on 4)

The pixel array of claim 4, wherein each of the first side and the second side has a length greater than that of each of the third side and the fourth side.

### Claim 6 (depends on 5)

The pixel array of claim 5, wherein the first side, the second side, the third side, and the fourth side are each arc-shaped.

### Claim 7 (depends on 6)

The pixel array of claim 6, wherein two adjacent first virtual squares share a common side, and two second sub-pixels of the two adjacent first virtual squares are symmetrically arranged about the common side.

### Claim 8 (depends on 7)

The pixel array of claim 7, wherein the first color is red, the second color is green, and the third color is blue.

### Claim 9 (depends on 8)

The pixel array of claim 8, wherein a ratio among a first minimum distance d12 between each of the plurality of first sub-pixels and an adjacent one of the plurality of second sub-pixels, a second minimum distance d13 between each of the plurality of first sub-pixels and an adjacent one of the plurality of third sub-pixels, and a third minimum distance d23 between each of the plurality of second sub-pixels and an adjacent one of the plurality of third sub-pixels is d12: d13: d23=1: (0.8 to 1.2): (0.8 to 1.2).

### Claim 10 (depends on 9)

The pixel array of claim 9, wherein each of the first minimum distance, the second minimum distance, and the third minimum distance is in a range of 14.4 μm to 21.6 μm.

### Claim 11 (depends on 10)

The pixel array of claim 10, wherein each of the first minimum distance, the second minimum distance, and the third minimum distance is 18 μm.

### Claim 12 (depends on 11)

The pixel array of claim 11, wherein a ratio among an area S1 of one of the plurality of first sub-pixels, a sum S2 of areas of two of the plurality of second sub-pixels, and an area S3 of one of the plurality of third sub-pixels is S1: S2: S3=7.1: (5.6 to 8.4): (10.4 to 15.6).

### Claim 13 (depends on 12)

The pixel array of claim 12, wherein the ratio among the area S1 of one of the plurality of first sub-pixels, the sum S2 of areas of two of the plurality of second sub-pixels, and the area S3 of one of the plurality of third sub-pixels is S1: S2: S3=7.1:7: 13.

### Claim 14 (depends on 1)

The pixel array of claim 1, wherein
the at least one first sub-pixel each comprises a fifth side and a sixth side opposite to each other and a seventh side and an eighth side opposite to each other;
the fifth side and the sixth side are symmetrically arranged about a line connecting the center of the first sub-pixel and the center of the second sub-pixel adjacent to the fifth side or the sixth side, and this line passes through centers of the fifth side and the sixth side; and
the seventh side and the eighth side are symmetrically arranged about a line connecting the center of the first sub-pixel and the center of the second sub-pixel adjacent to the seventh side or the eighth side, and this line passes through centers of the seventh side and the eighth side.

### Claim 15 (depends on 14)

The pixel array of claim 14, wherein
the centers of the fifth side and the sixth side are on the line connecting the center of the first sub-pixel and the center of the second sub-pixel adjacent to the fifth side or the sixth side and closer to the center of the first sub-pixel than points, other than the centers of the fifth side and the sixth side, of the fifth side and the sixth side; and
the centers of the seventh side and the eighth side are on the line connecting the center of the first sub-pixel and the center of the second sub-pixel adjacent to the seventh side or the eighth side and closer to the center of the first sub-pixel than points, other than the centers of the seventh side and the eighth side, of the seventh side and the eighth side.

### Claim 16 (depends on 15)

The pixel array of claim 15, wherein the fifth side, the sixth side, the seventh side, and the eighth side have a same length, and are each arc-shaped.

### Claim 17 (depends on 1)

A display apparatus, comprising the pixel array of claim 1 and a drive circuit for driving the pixel array.