Organic electroluminescent display panel and display device

• US 9,640,589 B2
• Filed: 07/21/2014
• Issued: 05/02/2017
• Est. Priority Date: 01/29/2014
• Status: Active Grant

• Current Assignee: BOE Technology Group Co., Ltd.
• Original Assignee: BOE Technology Group Co., Ltd.
• Inventors: Wang, Huifeng
• Primary Examiner(s): Patel, Ashok
• Application Number:
  US14/429,119
• Publication Number:
  US 20160284766A1
• Time in Patent Office: 1,016 Days
• Field of Search: None
• CPC Class Codes: H10K 59/1201 Manufacture or treatment
• CPC Class Codes: H10K 59/122 Pixel-defining structures or layers, e.g. banks
• CPC Class Codes: H10K 59/131 Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 59/35 comprising red-green-blue [RGB] subpixels
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels

Abstract

The invention provides an organic electroluminescent display panel and a display device. The organic electroluminescent display panel of the invention includes a substrate, and a plurality of sub-pixel units of the same shape formed on the substrate, each sub-pixel unit including 6 sub-pixel elements of the same color, the geometric shape of each sub-pixel element being such that the center of the sub-pixel unit where it is located is taken as a vertex; the sub-pixel units are in 3 colors, any two adjacent sub-pixel units being different in color; the connecting lines of the centers of every two adjacent sub-pixel units among 3 sub-pixel units adjacent to each other form an equilateral triangle, 3 sub-pixel elements defined by that equilateral triangle form one pixel unit.

Claims

1. An organic electroluminescent display panel, comprising a substrate and a plurality of sub-pixel units of the same shape formed on the substrate, wherein

each sub-pixel unit comprises 6 sub-pixel elements in the same color;

the sub-pixel units are in 3 colors, any two adjacent sub-pixel units being different in color; and

3 sub-pixel elements in the 3 colors form one pixel unit.

2. The organic electroluminescent display panel according to claim 1, wherein

6 sub-pixel elements included in each sub-pixel unit are arranged successively by taking the center of the sub-pixel unit in which the 6 sub-pixel elements are located as a vertex of a geometric shape thereof;

and

the connecting lines of the centers of every two adjacent sub-pixel units among 3 sub-pixel units adjacent to each other form an equilateral triangle, and 3 sub-pixel elements defined by the equilateral triangle form one pixel unit.

3. The organic electroluminescent display panel according to claim 2, wherein the sub-pixel units comprise a plurality of red sub-pixel units, a plurality of green sub-pixel units and a plurality of blue sub-pixel units.

4. The organic electroluminescent display panel according to claim 3, wherein the organic electroluminescent display panel further comprises a plurality of thin film transistors, and the plurality of thin film transistors are electrically connected with the sub-pixel elements in one-to-one correspondence to drive the sub-pixel elements to emit light.

5. The organic electroluminescent display panel according to claim 4, wherein the organic electroluminescent display panel further comprises a source drive circuit, a gate drive circuit, and a plurality of gate lines and a plurality of data lines provided to be intersected with each other and insulated from each other, and each sub-pixel element is provided at an intersection point of a corresponding gate line and a corresponding data line;

the gate drive circuit is electrically connected with the gate lines to input gate drive signals to the gate lines;

the source drive circuit is electrically connected with the data lines to input source drive signals to the data lines; and

the gate lines and the data lines respectively corresponding to 6 sub-pixel elements of the same sub-pixel unit are provided in different film layers.

6. The organic electroluminescent display panel according to claim 3, wherein the shape of each sub-pixel unit is any one of a regular hexagon, a regular dodecagon, and a circle.

7. The organic electroluminescent display panel according to claim 3, wherein the sub-pixel element is a top emitting type element or a bottom emitting type element.

8. The organic electroluminescent display panel according to claim 2, wherein the shape of each sub-pixel unit is any one of a regular hexagon, a regular dodecagon, and a circle.

9. The organic electroluminescent display panel according to claim 2, wherein the sub-pixel element is a top emitting type element or a bottom emitting type element.

10. The organic electroluminescent display panel according to claim 1, wherein the sub-pixel units comprise a plurality of red sub-pixel units, a plurality of green sub-pixel units and a plurality of blue sub-pixel units.

11. The organic electroluminescent display panel according to claim 10, wherein the organic electroluminescent display panel further comprises a plurality of thin film transistors, and the plurality of thin film transistors are electrically connected with the sub-pixel elements in one-to-one correspondence to drive the sub-pixel elements to emit light.

12. The organic electroluminescent display panel according to claim 11, wherein the organic electroluminescent display panel further comprises a source drive circuit, a gate drive circuit, and a plurality of gate lines and a plurality of data lines provided to be intersected with each other and insulated from each other, and each sub-pixel element is provided at an intersection point of a corresponding gate line and a corresponding data line;

the gate drive circuit is electrically connected with the gate lines to input gate drive signals to the gate lines;

the source drive circuit is electrically connected with the data lines to input source drive signals to the data lines; and

the gate lines and the data lines respectively corresponding to 6 sub-pixel elements of the same sub-pixel unit are provided in different film layers.

13. The organic electroluminescent display panel according to claim 10, wherein the shape of each sub-pixel unit is any one of a regular hexagon, a regular dodecagon, and a circle.

14. The organic electroluminescent display panel according to claim 11, wherein the shape of each sub-pixel unit is any one of a regular hexagon, a regular dodecagon, and a circle.

15. The organic electroluminescent display panel according to claim 10, wherein the sub-pixel element is a top emitting type element or a bottom emitting type element.

16. The organic electroluminescent display panel according to claim 11, wherein the sub-pixel element is a top emitting type element or a bottom emitting type element.

17. The organic electroluminescent display panel according to claim 1, wherein the shape of each sub-pixel unit is any one of a regular hexagon, a regular dodecagon, and a circle.

18. The organic electroluminescent display panel according to claim 1, wherein the sub-pixel element is a top emitting type element or a bottom emitting type element.

19. A display device, comprising an organic electroluminescent display panel, which comprises a substrate and a plurality of sub-pixel units of the same shape formed on the substrate, wherein

each sub-pixel unit comprises 6 sub-pixel elements in the same color;

the sub-pixel units are in 3 colors, any two adjacent sub-pixel units being different in color; and

3 sub-pixel elements in the 3 colors form one pixel unit.

20. The display device according to claim 19, wherein

6 sub-pixel elements included in each sub-pixel unit are arranged successively by taking the center of the sub-pixel unit in which the 6 sub-pixel elements are located as a vertex of a geometric shape thereof;

and

the connecting lines of the centers of every two adjacent sub-pixel units among 3 sub-pixel units adjacent to each other form an equilateral triangle, and 3 sub-pixel elements defined by the equilateral triangle form one pixel unit.