# US 11,308,898 B2 · Pixel arrangement structure and display panel

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- Number: US 11,308,898 B2
- Document ID: US11308898B2
- Status: Granted
- Kind: B2
- Application number: 16/627,354
- Filed: 2019-12-19
- Published: 2021-11-25
- Granted: 2022-04-19
- Earliest claimed: 2019-12-10
- Applicants: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Inventors: Yongfeng Liu
- Web page: https://patentgrep.com/patent/US11308898B2

## CPC

- G09G 3/3607: {for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels (display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127)}
- G02F 1/133514: {Colour filters}
- G02F 1/134345: {Subdivided pixels, e.g. for grey scale or redundancy}
- G02F 2201/52: RGB geometrical arrangements
- G09G 2300/0447: for multi-domain technique to improve the viewing angle in a liquid crystal display, such as multi-vertical alignment [MVA]
- G09G 2300/0452: Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
- G09G 2320/0233: Improving the luminance or brightness uniformity across the screen
- G09G 2320/028: by changing the viewing angle properties, e.g. widening the viewing angle, adapting the viewing angle to the view direction
- 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)
- 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

## Abstract

A pixel arrangement structure and a display panel are provided. The pixel arrangement structure includes a plurality of sub-pixels having different colors. Each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel.

## Claims

### Claim 1

A pixel arrangement structure, comprising:
a plurality of sub-pixels having different colors, wherein each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, the main pixel area and the sub-pixel area are both rectangular, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel;
wherein the pixel arrangement structure comprises first to sixteenth columns of sub-pixel arrangement structures;
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the fifth and sixth columns of sub-pixel arrangement structures are same as the first and second columns of sub-pixel arrangement structures, and the third and four columns of sub-pixel arrangement structures are same as the seventh and eight columns of sub-pixel arrangement structures; or
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the seventh, eighth, and ninth columns of sub-pixel arrangement structures are same as the first, second, and third columns of sub-pixel arrangement structures, and the tenth, eleventh, and twelfth columns of sub-pixel arrangement structures are same as the fourth, fifth, sixth columns of sub-pixel arrangement structures; or
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the ninth, tenth, eleventh, and twelve columns of sub-pixel arrangement structures are same as the first, second, third, and fourth columns of sub-pixel arrangement structures, the thirteenth, fourteenth, fifteenth, and sixteenth columns of sub-pixel arrangement structures are same as the fifth, sixth, seventh, and eighth columns of sub-pixel arrangement structures.

### Claim 2 (depends on 1)

The pixel arrangement structure according to claim 1, wherein the plurality of sub-pixels having different colors are: a red sub-pixel, a green sub-pixel, and a blue sub-pixel, or the red sub-pixel, the green sub-pixel, the blue sub-pixel, and a white sub-pixel.

### Claim 3 (depends on 2)

The pixel arrangement structure according to claim 2, wherein a pixel arrangement is such that each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub pixel area every other column; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every two columns; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every three columns; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every four columns.

### Claim 4 (depends on 1)

The pixel arrangement structure according to claim 1, wherein the main pixel area and the sub-pixel area both comprise four pixel domains, namely a first pixel domain, a second pixel domain, a third pixel domain, and a fourth pixel domain.

### Claim 5 (depends on 4)

The pixel arrangement structure according to claim 4, wherein areas of at least two pixel domains of the first pixel domain, the second pixel domain, the third pixel domain, and the fourth pixel domain are same.

### Claim 6 (depends on 4)

The pixel arrangement structure according to claim 4, wherein the four pixel domains of the main pixel area and the sub-pixel area are electrically connected to a trunk electrode having a cross shape, each of the four pixel domains further comprises a plurality of auxiliary electrodes, and the trunk electrode and the auxiliary electrodes together form a fish-bone pixel electrode.

### Claim 7 (depends on 6)

The pixel arrangement structure according to claim 6, wherein the auxiliary electrodes comprise at least one density.

### Claim 8

A pixel arrangement structure, comprising:
a plurality of sub-pixels having different colors, wherein each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel;
wherein the pixel arrangement structure comprises first to sixteenth columns of sub-pixel arrangement structures;
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the fifth and sixth columns of sub-pixel arrangement structures are same as the first and second columns of sub-pixel arrangement structures, and the third and four columns of sub-pixel arrangement structures are same as the seventh and eight columns of sub-pixel arrangement structures; or
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the seventh, eighth, and ninth columns of sub-pixel arrangement structures are same as the first, second, and third columns of sub-pixel arrangement structures, and the tenth, eleventh, and twelfth columns of sub-pixel arrangement structures are same as the fourth, fifth, sixth columns of sub-pixel arrangement structures; or
wherein if the area of the sub-pixel area is greater than the area of the main pixel area, the ninth, tenth, eleventh, and twelve columns of sub-pixel arrangement structures are same as the first, second, third, and fourth columns of sub-pixel arrangement structures, the thirteenth, fourteenth, fifteenth, and sixteenth columns of sub-pixel arrangement structures are same as the fifth, sixth, seventh, and eighth columns of sub-pixel arrangement structures.

### Claim 9 (depends on 8)

The pixel arrangement structure according to claim 8, wherein the plurality of sub-pixels having different colors are: a red sub-pixel, a green sub-pixel, and a blue sub-pixel, or the red sub-pixel, the green sub-pixel, the blue sub-pixel, and a white sub-pixel.

### Claim 10 (depends on 9)

The pixel arrangement structure according to claim 9, wherein a pixel arrangement is such that each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub pixel area every other column; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every two columns; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every three columns; or each column is arranged by the main pixel area and the sub-pixel area at intervals, and the position of the main pixel area is exchanged with the position of the sub-pixel area every four columns.

### Claim 11 (depends on 9)

The pixel arrangement structure according to claim 9, wherein the main pixel area and the sub-pixel area both comprise four pixel domains, namely a first pixel domain, a second pixel domain, a third pixel domain, and a fourth pixel domain.

### Claim 12 (depends on 11)

The pixel arrangement structure according to claim 11, wherein areas of at least two pixel domains of the first pixel domain, the second pixel domain, the third pixel domain, and the fourth pixel domain are same.

### Claim 13 (depends on 11)

The pixel arrangement structure according to claim 11, wherein the four pixel domains of the main pixel area and the sub-pixel area are electrically connected to a trunk electrode having a cross shape, each of the four pixel domains further comprises a plurality of auxiliary electrodes, and the trunk electrode and the auxiliary electrodes together form a fish-bone pixel electrode.

### Claim 14 (depends on 13)

The pixel arrangement structure according to claim 13, wherein the auxiliary electrodes comprise at least one density.

### Claim 15 (depends on 1)

A display panel, comprising: a color filter substrate, an array substrate disposed directly opposite to the color filter substrate, and a liquid crystal layer disposed between the color filter substrate and the array substrate; wherein the array substrate comprises the pixel arrangement structure according to claim 1.