Pixel array and driving method thereof, display panel and display device

Patent metadata

Field	Value
Publication number	US-9799252-B2
Application number	US-201414429981-A
Country	US
Kind code	B2
Filing date	Jul 25, 2014
Priority date	Jan 26, 2014
Publication date	Oct 24, 2017
Grant date	Oct 24, 2017

Abstract

The present invention provides a pixel array which comprises a middle pixel region and an edge pixel region surrounding the middle pixel region, wherein, the middle pixel region comprises a plurality of middle pixel sets, each of which comprises eight sub-pixels arranged around a central point, the eight sub-pixels include two red sub-pixels, two green sub-pixels, two blue sub-pixels and two supplementary-color sub-pixels, and are arranged in three rows and three columns, the first row includes three sub-pixels, the second row includes two sub-pixels, and the third row includes three sub-pixels. The present invention further provides a driving method of the above pixel array, a display panel including the pixel array and a display device including the display panel.

First claim

The invention claimed is:

1. A pixel array, comprising a middle pixel region and an edge pixel region surrounding the middle pixel region, wherein, the middle pixel region comprises a plurality of middle pixel sets, each of which consists of eight sub-pixels arranged around a central point, the eight sub-pixels consist of two red sub-pixels, two green sub-pixels, two blue sub-pixels and two supplementary-color sub-pixels, and are arranged in three rows and three columns, the first row includes three sub-pixels, the second row includes two sub-pixels, and the third row includes three sub-pixels.

2. The pixel array according to claim 1 , wherein, in each middle pixel set, the sub-pixels in the first row are a blue sub-pixel, a red sub-pixel and a supplementary-color sub-pixel sequentially, the sub-pixels in the second row are a green sub-pixel and a blue sub-pixel sequentially, and the sub-pixels in the third row are a red sub-pixel, a supplementary-color sub-pixel and a green sub-pixel sequentially; or
in each middle pixel set, the sub-pixels in the first row are a blue sub-pixel, a supplementary-color sub-pixel and a red sub-pixel sequentially, the sub-pixels in the second row are a green sub-pixel and a green sub-pixel sequentially, and the sub-pixels in the third row are a red sub-pixel, a supplementary-color sub-pixel and a blue sub-pixel sequentially; or
in each middle pixel set, the sub-pixels in the first row are a blue sub-pixel, a supplementary-color sub-pixel and a blue sub-pixel sequentially, the sub-pixels in the second row are a green sub-pixel and a supplementary-color sub-pixel sequentially, and the sub-pixels in the third row are a red sub-pixel, a green sub-pixel and a red sub-pixel sequentially; or
in each middle pixel set, the sub-pixels in the first row are a blue sub-pixel, a blue sub-pixel and a supplementary-color sub-pixel sequentially, the sub-pixels in the second row are a green sub-pixel and a supplementary-color sub-pixel sequentially, and the sub-pixels in the third row are a green sub-pixel, a red sub-pixel and a red sub-pixel sequentially.

3. The pixel array according to claim 2 , wherein, the supplementary-color sub-pixel is any one of a white sub-pixel, a yellow sub-pixel, an orange sub-pixel, a cyan sub-pixel and a purple sub-pixel.

4. The pixel array according to claim 3 , wherein, each sub-pixel is of an elongated shape, and in each middle pixel set, the eight sub-pixels are radially arranged around the central point.

5. The pixel array according to claim 2 , wherein, the edge pixel region comprises:
an upper edge region, comprising a plurality of upper edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the second and third rows of one of the middle pixel sets, wherein, the upper edge pixel sets in the upper edge region are aligned with the middle pixel sets in respective columns in the middle pixel region, respectively;
a lower edge region, comprising a plurality of lower edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the first and second rows of one of the middle pixel sets, wherein, the lower edge pixel sets in the lower edge region are aligned with the middle pixel sets in the respective columns in the middle pixel region, respectively;
a left edge region, comprising a plurality of left edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the second and third columns of one of the middle pixel sets, wherein, the left edge pixel sets in the left edge region are aligned with the middle pixel sets in respective rows in the middle pixel region, respectively;
a right edge region, comprising a plurality of right edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the first and second columns of one of the middle pixel sets;
a top left corner pixel set, which is located on the left side of the upper edge region and on the upper side of the left edge region and consists of three sub-pixels, which are the sub-pixel in row two, column three of one of the middle pixel sets, the sub-pixel in row three, column three of one of the middle pixel sets and the sub-pixel in row three, column two of one of the middle pixel sets, respectively;
a top right corner pixel set, which is located on the right side of the upper edge region and on the upper side of the right edge region and consists of three sub-pixels, which are the sub-pixel in row two, column one of one of the middle pixel sets, the sub-pixel in row three, column one of one of the middle pixel sets and the sub-pixel in row three, column two of one of the middle pixel sets, respectively;
a bottom left corner pixel set, which is located on the lower side of the left edge region and on the left side of the lower edge region and consists of three sub-pixels, which are the sub-pixel in row one, column two of one of the middle pixel sets, the sub-pixel in row one, column three of one of the middle pixel sets and the sub-pixel in row two, column three of one of the middle pixel sets, respectively; and
a bottom right corner pixel set, which is located on the lower side of the right edge region and on the right side of the lower edge region and consists of three sub-pixels, which are the sub-pixel in row one, column one of one of the middle pixel sets, the sub-pixel in row one, column two of one of the middle pixel sets and the sub-pixel in row two, column one of one of the middle pixel sets, respectively.

6. The pixel array according to claim 1 , wherein, the supplementary-color sub-pixel is any one of a white sub-pixel, a yellow sub-pixel, an orange sub-pixel, a cyan sub-pixel and a purple sub-pixel.

7. The pixel array according to claim 6 , wherein, each sub-pixel is of an elongated shape, and in each middle pixel set, the eight sub-pixels are radially arranged around the central point.

8. The pixel array according to claim 1 , wherein, the edge pixel region comprises:
an upper edge region, comprising a plurality of upper edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the second and third rows of one of the middle pixel sets, wherein, the upper edge pixel sets in the upper edge region are aligned with the middle pixel sets in respective columns in the middle pixel region, respectively;
a lower edge region, comprising a plurality of lower edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the first and second rows of one of the middle pixel sets, wherein, the lower edge pixel sets in the lower edge region are aligned with the middle pixel sets in the respective columns in the middle pixel region, respectively;
a left edge region, comprising a plurality of left edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the second and third columns of one of the middle pixel sets, wherein, the left edge pixel sets in the left edge region are aligned with the middle pixel sets in respective rows in the middle pixel region, respectively;
a right edge region, comprising a plurality of right edge pixel sets, each of which consists of five sub-pixels, which are the same as the sub-pixels in the first and second columns of one of the middle pixel sets;
a top left corner pixel set, which is located on the left side of the upper edge region and on the upper side of the left edge region and consists of three sub-pixels, which are the sub-pixel in row two, column three of one of the middle pixel sets, the sub-pixel in row three, column three of one of the middle pixel sets and the sub-pixel in row three, column two of one of the middle pixel sets, respectively;
a

Assignees

• Boe Technology Group Co Ltd
• Beijing Boe Optoelectronics Tech Co Ltd

Inventors

• Guo Renwei
• Dong Xue

Classifications

• G09G3/3208

  organic, e.g. using organic light-emitting diodes [OLED] · CPC title

• G09G2300/0452

  Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components · CPC title

• G09G3/2003 Primary

  Display of colours (specific for liquid crystal displays G09G3/3607) · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G2360/16

  Calculation or use of calculated indices related to luminance levels in display data · CPC title