Organic light emitting display apparatus

• US 20100270912A1
• Filed: 08/03/2009
• Published: 10/28/2010
• Est. Priority Date: 04/28/2009
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Ko, Jung-Woo
• Granted Patent: US 8,183,768 B2
• Time in Patent Office: Days
• US Class Current: 313/504
• 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
• CPC Class Codes: H10K 71/166 using selective deposition, e.g. using a mask
• CPC Class Codes: Y10S 428/917 Electroluminescent

Abstract

An organic light emitting display apparatus including a plurality of pixels, wherein each pixel includes a first electrode, a second electrode facing the first electrode, and an intermediate layer disposed between the first and second electrodes and including a plurality of layers including a light emitting layer, at least two pixels adjacent in a first direction form a pixel group, and at least one of the layers of the intermediate layer of the at least two adjacent pixels of the pixel group is integrated, and a distance between pixels in the pixel group is smaller than a distance between adjacent pixel groups.

Claims

1. An organic light emitting display apparatus, comprising:

a plurality of pixels, wherein;

each pixel includes;

a first electrode,

a second electrode facing the first electrode, and

an intermediate layer disposed between the first and second electrodes and including a plurality of layers including a light emitting layer,

at least two pixels adjacent in a first direction form a pixel group,

at least one of the layers of the intermediate layer of the at least two adjacent pixels of the pixel group is integrated, and

a distance between pixels in the pixel group is smaller than a distance between adjacent pixel groups.

2. The organic light emitting display apparatus as claimed in claim 1, wherein:

the pixel group includes two to four pixels adjacent in the first direction, and

at least one of the layers of the intermediate layer of the pixel group is integrated.

3. The organic light emitting display apparatus as claimed in claim 1, wherein the integrated layers are disposed in a zigzag configuration along a second direction perpendicular to the first direction.

4. The organic light emitting display apparatus as claimed in claim 1, wherein the integrated layer is the light emitting layer.

5. An organic light emitting display apparatus, comprising:

a plurality of pixels, wherein;

each pixel includes sub-pixels,

each sub-pixel emits red, green, or blue light,

the sub-pixels are disposed to emit the same color light along a first direction,

each sub-pixel includes;

a first electrode;

a second electrode facing the first electrode; and

an intermediate layer disposed between the first and second electrodes and including a plurality of layers including a light emitting layer,

at least two sub-pixels are adjacent in the first direction,

at least one of the layers of the intermediate layer of the at least two adjacent sub-pixels is integrated and forms a sub-pixel group, and

a distance between sub-pixels in the sub-pixel group is smaller than a distance between adjacent sub-pixel groups.

6. The organic light emitting display apparatus as claimed in claim 5, wherein:

the sub-pixel group includes two to four of the sub-pixels adjacent in the first direction, and

at least one of the layers of the intermediate layer of the sub-pixel group is integrated.

7. The organic light emitting display apparatus as claimed in claim 5, wherein the integrated layers corresponding to the sub-pixels emitting the same color light are disposed in a zigzag configuration along a second direction perpendicular to the first direction.

8. The organic light emitting display apparatus as claimed in claim 5, wherein the integrated layer is the light emitting layer.

9. An organic light emitting display apparatus, comprising:

a plurality of pixels, each pixel including;

sub-pixels aligned along a first direction, each sub-pixel emitting red, green, or blue light, wherein;

at least a part of at least two sub-pixels adjacent in the first direction is integrated, and

a distance between the at least two sub-pixels having the same integrated part is smaller than a distance between two sub-pixels that do not include the same integrated part.

10. The organic light emitting display apparatus as claimed in claim 9, wherein at least a part of two to four of the sub-pixels that are adjacent in the first direction is integrated.

11. The organic light emitting display apparatus as claimed in claim 9, wherein the integrated part is a light emitting layer.

12. The organic light emitting display apparatus as claimed in claim 9, wherein:

each sub-pixel includes;

a first electrode;

a second electrode facing the first electrode; and

an intermediate layer disposed between the first and second electrodes and including a plurality of layers including a light emitting layer, and

at least one of the layers of each of the intermediate layers of two sub-pixels adjacent in the first direction is integrated.

13. The organic light emitting display apparatus as claimed in claim 12, wherein the integrated layers corresponding to the sub-pixels emitting the same color light are disposed in a zigzag configuration along a second direction substantially perpendicular to the first direction.