Pixel structure and display device

Patent metadata

Field	Value
Publication number	US-10825870-B2
Application number	US-201916539369-A
Country	US
Kind code	B2
Filing date	Aug 13, 2019
Priority date	Aug 30, 2018
Publication date	Nov 3, 2020
Grant date	Nov 3, 2020

Abstract

A pixel structure and a display device are provided. The pixel structure includes: a plurality of elements in an array, wherein each of the elements includes at least one pixel unit, and each of the pixel unit includes four sub-pixels in array, the four sub-pixels including one first sub-pixel in a first color, one second sub-pixel in a second color, and two third sub-pixels in a third color, wherein the first sub-pixel and the second sub-pixel are at diagonal positions in the pixel unit, and the two third sub-pixels are at the other diagonal positions in the pixel unit; and a plurality of the sub-pixels in two adjacent pixel units include at least one sub-pixel group, the sub-pixel group including two adjacent sub-pixels in the same color.

First claim

The invention claimed is:

1. A pixel structure, comprising: a plurality of elements in an array, wherein:
each of the plurality of the elements comprises at least one pixel unit, and each of the at least one pixel unit comprises four sub-pixels in array, the four sub-pixels comprise: one first sub-pixel in a first color, one second sub-pixel in a second color, and two third sub-pixels in a third color, wherein the first sub-pixel and the second sub-pixel are at diagonal positions of the pixel unit, and the two third sub-pixels are at the other diagonal positions of the pixel unit; and
a plurality of the sub-pixels in two adjacent pixel units comprise at least one sub-pixel group, the sub-pixel group comprising two adjacent sub-pixels in a same color;
wherein each of the elements comprises four pixel units in array, the sub-pixels in two of the four pixel units in a column direction being mirror symmetry;
wherein the four pixel units of each of the elements comprise a first pixel unit and a second pixel unit in one row, and a third pixel unit and a fourth pixel unit in another row, the first pixel unit and the third pixel unit being in one column, the second pixel unit and the fourth pixel unit being in another column, the sub-pixels in the first pixel unit being mirror symmetric to the sub-pixels in the third pixel unit, the sub-pixels in the second pixel unit being mirror symmetric to the sub-pixels in the fourth pixel unit;
wherein in the first pixel unit, one third sub-pixel is at top-right corner of the first pixel unit, the other third sub-pixel is at bottom-left corner of the first pixel unit, the first sub-pixel is at top-left corner of the first pixel unit, and the second sub-pixel is at bottom-right corner of the first pixel unit;
in the second pixel unit, one third sub-pixel is at top-left corner of the second pixel unit, the other third sub-pixel is at bottom-right corner of the second pixel unit, the second sub-pixel is at top-right corner of the second pixel unit, and the first sub-pixel is at bottom-left corner of the second pixel unit; and
wherein in each of the pixel units, a pixel area of the first sub-pixel is same as a pixel area of the second sub-pixel, the pixel area of the first sub-pixel is twice a pixel area of the third sub-pixel, and the first sub-pixel is a red sub-pixel configured to emit red light, the second sub-pixel is a blue sub-pixel configured to emit blue light, and the third is a green sub-pixel configured to emit green light.

2. A display device comprising: an array substrate and the pixel structure according to claim 1 on the array substrate.

3. The pixel structure according to claim 1 , wherein in each of the pixels units, a shape of the third sub-pixel is a square, a shape of the first sub-pixel and a shape of the second sub-pixel both are rectangles formed by two third sub-pixels.

4. A pixel structure, comprising: a plurality of elements in an array, wherein:
each of the plurality of the elements comprises at least one pixel unit, and each of the at least one pixel unit comprises four sub-pixels in array, the four sub-pixels comprise: one first sub-pixel in a first color, one second sub-pixel in a second color, and two third sub-pixels in a third color, wherein the first sub-pixel and the second sub-pixel are at diagonal positions of the pixel unit, and the two third sub-pixels are at the other diagonal positions of the pixel unit; and
a plurality of the sub-pixels in two adjacent pixel units comprise at least one sub-pixel group, the sub-pixel group comprising two adjacent sub-pixels in a same color;
wherein each of the elements comprises four pixel units in array, the sub-pixels in two of the four pixel units in a row direction being mirror symmetry, and the sub-pixels in two of the four pixel units in a column direction being mirror symmetry;
wherein the four pixel units of each of the elements comprise a first pixel unit and a second pixel unit in one row, and a third pixel unit and a fourth pixel unit in another row, the first pixel unit and the third pixel unit being in one column, the second pixel unit and the fourth pixel unit being in another column, the sub-pixels in the first pixel unit being mirror symmetric to the sub-pixels in the second pixel unit, the sub-pixels in the first pixel unit being mirror symmetric to the sub-pixels in the third pixel unit, and the sub-pixels in the second pixel unit being mirror symmetric to the sub-pixels in the fourth pixel unit;
wherein in the first pixel unit, one third sub-pixel is at top-right corner of the first pixel unit, the other third sub-pixel is at bottom-left corner of the first pixel unit, the first sub-pixel is at top-left corner of the first pixel unit, and the second sub-pixel is at bottom-right corner of the first pixel unit;
wherein in each of the pixel units, a pixel area of the first sub-pixel is same as a pixel area of the second sub-pixel, the pixel area of the first sub-pixel is twice a pixel area of the third sub-pixel, and the first sub-pixel is a red sub-pixel configured to emit red light, the second sub-pixel is a blue sub-pixel configured to emit blue light, and the third is a green sub-pixel configured to emit green light.

5. A display device comprising: an array substrate and the pixel structure according to claim 4 on the array substrate.

6. The pixel structure according to claim 4 , wherein in each of the pixels units, a shape of the third sub-pixel is a square, a shape of the first sub-pixel and a shape of the second sub-pixel both are rectangles formed by two third sub-pixels.

7. A pixel structure, comprising: a plurality of elements in an array, wherein:
each of the plurality of the elements comprises at least one pixel unit, and each of the at least one pixel unit comprises four sub-pixels in array, the four sub-pixels comprise: one first sub-pixel in a first color, one second sub-pixel in a second color, and two third sub-pixels in a third color, wherein the first sub-pixel and the second sub-pixel are at diagonal positions of the pixel unit, and the two third sub-pixels are at the other diagonal positions of the pixel unit; and
a plurality of the sub-pixels in two adjacent pixel units comprise at least one sub-pixel group, the sub-pixel group comprising two adjacent sub-pixels in a same color;
wherein each of the elements comprises two pixel units, the sub-pixels in the two pixels units in a column direction being mirror symmetry;
wherein the two pixel units of each of the elements comprises a first pixel unit and a second pixel unit in a same column, the sub-pixels in the first pixel unit being mirror symmetric to the sub-pixels in the second pixel unit in a column direction;
wherein in the first pixel unit, one third sub-pixel is at top-left corner of the first pixel unit, the other third sub-pixel is at bottom-right corner of the first pixel unit, the first sub-pixel is at top-right corner of the first pixel unit, and the second sub-pixel is at bottom-left corner of the first pixel unit;
wherein in each of the pixel units, a pixel area of the first sub-pixel is same as a pixel area of the second sub-pixel, the pixel area of the first sub-pixel is twice a pixel area of the third sub-pixel, and the first sub-pixel is a red sub-pixel configured to emit red light, the second sub-pixel is a blue sub-pixel configured to emit blue light, and the third is a green sub-pixel configured to emit green light.

8. The pixel structure according to claim 7 , wherein in each of the pixels units, a shape of the third sub-pixel is a square, a shape of the first sub-pixel and a shape of the second sub-pixel both are rectangles formed by two third sub-pixels.

9. A display device comprising: an array substrate and the pixel s

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• He Panting
• Ji Fengli
• Mei Ju

Classifications

• H01L27/3216

  Electricity · mapped topic

• H01L27/3213 Primary

  Electricity · mapped topic

• H10K71/166

  using selective deposition, e.g. using a mask · CPC title

• H10K59/353 Primary

  characterised by the geometrical arrangement of the RGB subpixels · CPC title

• H10K59/352 Primary

  the areas of the RGB subpixels being different · CPC title