PIXEL STRUCTURE AND OLED DISPLAY PANEL

• US 20180247984A1
• Filed: 09/01/2016
• Published: 08/30/2018
• Est. Priority Date: 08/31/2015
• Status: Active Grant

• Current Assignee: Kunshan Govisionox Optoelectronics Co., Ltd (Visionox Technology, Inc.)
• Original Assignee: Kunshan Govisionox Optoelectronics Co., Ltd (Visionox Technology, Inc.)
• Inventors: WANG, Xuliang, ZHU, Xiaozhao, LI, Weili, GAN, Shuaiyan, ZHU, Xiujian
• Granted Patent: US 10,446,618 B2
• Time in Patent Office: Days
• CPC Class Codes: G09G 3/2003 Display of colours specific for liquid crystal displays G09G3/3607
• CPC Class Codes: G09G 3/3208 organic, e.g. using organic light-emitting diodes [OLED]
• CPC Class Codes: H01L 27/12 the substrate being other than a semiconductor body, e.g. an insulating body
• CPC Class Codes: H10K 59/352 the areas of the RGB subpixels being different
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels

Abstract

A pixel structure and an organic light-emitting diode (OLED) display panel incorporating the pixel structure are disclosed. The pixel structure includes a plurality of pixel units (110) arranged in an array, each pixel unit comprising a first sub-pixel (111), a second sub-pixel (112) and a third sub-pixel (113). The second sub-pixel (112) and the third sub-pixel (113) are common to four adjacent pixel units (110). As a result, a higher aperture ratio of the sub-pixels, an increased design margin and reduced process difficulty can be obtained.

Claims

1. A pixel structure, comprising a plurality of pixel units arranged in an array, each pixel unit comprising a first sub-pixel, a second sub-pixel and a third sub-pixel, the second and third sub-pixels being common to four adjacent ones of the pixel units.

2. The pixel structure of claim 1, wherein adjacent four third sub-pixels are arranged to define a quadrilateral encompassing one second sub-pixel and adjacent four first sub-pixels so that four pixel units are formed in which each of the four first sub-pixels is located between the second sub-pixel and a corresponding one of the four third sub-pixels.

3. The pixel structure of claim 2, wherein each first sub-pixel resides on a line segment connecting centers of its adjacent second and third sub-pixels.

4. The pixel structure of claim 1, wherein the first, second and third sub-pixels are all polygons.

5. The pixel structure of claim 1, wherein the first, second and third sub-pixels are quadrilaterals, hexagons, octagons or any combination thereof.

6. The pixel structure of claim 5, wherein the first sub-pixel is a rectangle, with each of the second and third sub-pixels being a square.

7. The pixel structure of claim 6, wherein short sides of each first sub-pixel are parallel to a line segment connecting centers of its adjacent second and third sub-pixels;

or short sides of each first sub-pixel are perpendicular to a line segment connecting centers of its adjacent second and third sub-pixels.

8. The pixel structure of claim 6, wherein the first, second and third sub-pixels in one pixel unit are symmetric to corresponding ones in an adjacent pixel unit.

9. The pixel structure of claim 1, wherein the first sub-pixel has an area smaller than an area of the second and third sub-pixels.

10. An OLED display panel, comprising a pixel structure, the pixel structure comprising a plurality of pixel units arranged in an array, each pixel unit comprising a first sub-pixel, a second sub-pixel and a third sub-pixel, the second and third sub-pixels being common to four adjacent ones of the pixel units.