Pixel structure and display apparatus

Patent metadata

Field	Value
Publication number	US-2016293679-A1
Application number	US-201615079358-A
Country	US
Kind code	A1
Filing date	Mar 24, 2016
Priority date	Mar 31, 2015
Publication date	Oct 6, 2016
Grant date	—

Abstract

A pixel structure includes a plurality of pixel cells each including two sub-pixel cells. Each of the two sub-pixel cell includes: a first sub-pixel; and at least two second sub-pixels parallelly adjacent to each other. Herein, organic material parts of the at least two second sub-pixels are interconnected and the first sub-pixel is arranged staggered with any of the at least two second sub-pixels in both a first direction and a second direction, and the first direction is perpendicular to the second direction.

First claim

What is claimed is:

1 . A pixel structure, comprising a plurality of pixel cells, each of the plurality of pixel cells comprising two sub-pixel cells, and each of the two sub-pixel cell comprising:
a first sub-pixel; and at least two second sub-pixels parallelly adjacent to each other, wherein organic material parts of the at least two second sub-pixels are interconnected; wherein, the first sub-pixel is arranged staggered with any of the at least two second sub-pixels in both a first direction and a second direction, and the first direction is perpendicular to the second direction.

2 . The pixel structure of claim 1 , wherein the at least two second sub-pixels in the sub-pixel cell respectively correspond to at least two electrodes.

3 . The pixel structure of claim 2 , wherein the organic material parts are molded in one piece, and the at least two electrodes are formed by etching the organic material parts.

4 . The pixel structure of claim 1 , wherein the first sub-pixel is a green sub-pixel, and the second sub-pixel is a red sub-pixel or a blue sub-pixel.

5 . The pixel structure of claim 1 , wherein an amount of the second sub-pixels is at least twice as many as an amount of the first sub-pixel in the sub-pixel cell.

6 . The pixel structure of claim 5 , wherein white light is generated through light mixing by lightening both the second sub-pixels and the first sub-pixel in the sub-pixel cell.

7 . The pixel structure of claim 5 , wherein a total area of the second sub-pixels in the sub-pixel cell is at least twice as many as an area of the first sub-pixel in the sub-pixel cell.

8 . The pixel structure of claim 5 , wherein a total area of the first sub-pixels emitting green light in the pixel cell is equal to a total area of the second sub-pixels emitting red light and to a total area of the second sub-pixels emitting blue light in the pixel cell.

9 . The pixel structure of claim 1 , wherein the first sub-pixel is in shape of a square, and the second sub-pixel is in shape of a strip.

10 . The pixel structure of claim 1 , wherein the pixel cells in the pixel structure are aligned and arranged in form of rows or columns, or staggered and arranged in form of rows or columns.

11 . The pixel structure of claim 10 , wherein, for any one of the pixel cells, the second sub-pixels in one of the two sub-pixel cells are different in color from the second sub-pixels in another one of the two sub-pixel cells.

12 . The pixel structure of claim 11 , wherein the second sub-pixels in a first sub-pixel cell are different in color from the second sub-pixels in a second sub-pixel cell adjacent to the first sub-pixel cell in a row direction.

13 . The pixel structure of claim 11 , wherein the second sub-pixels in a first sub-pixel cell are different in color from the second sub-pixels in a second sub-pixel cell adjacent to the first sub-pixel cell in a column direction.

14 . The pixel structure of claim 11 , wherein the second sub-pixels in a first sub-pixel cell are different in color from the second sub-pixels in a second sub-pixel cell adjacent to the first sub-pixel cell in a row direction and the second sub-pixels in a third sub-pixel cell adjacent to the first sub-pixel cell in a column direction.

15 . A display apparatus, comprising a pixel driving circuit and the pixel structure of claim 1 , the pixel driving circuit comprising a plurality of pixel driving modules, wherein the pixel driving module comprises two sub-pixel driving modules configured to drive the sub-pixel cells in the pixel structure, and the sub-pixel driving module comprises:
a first driving submodule configured to drive the first sub-pixel; and a second driving submodule configured to drive the at least two second sub-pixels parallelly adjacent to each other.

16 . The display apparatus of claim 15 , wherein each of the first and second driving submodules is provided with a drive transistor;
the drive transistor in the first driving submodule is configured to drive an organic light-emitting diode in the first sub-pixel; and the drive transistor in the second driving submodule is configured to drive at least two organic light-emitting diodes corresponding to the at least two second sub-pixels parallelly adjacent to each other.

Assignees

• Everdisplay Optronics (Shanghai) Ltd

Inventors

• Xu Xiaoli
• XIONG Nana

Classifications

• G09G2320/0666

  for control of colour parameters, e.g. colour temperature · CPC title

• H01L27/3218 Primary

  Electricity · mapped topic

• G09G2300/0452

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

• G09G2300/0809

  Several active elements per pixel in active matrix panels · CPC title

• G09G3/3225 Primary

  using an active matrix · CPC title