Mask frame assembly for depositing thin layer and organic light emitting display device manufactured using the mask frame assembly

• US 20060012290A1
• Filed: 07/08/2005
• Published: 01/19/2006
• Est. Priority Date: 07/15/2004
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Mobile Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Kang, Chang-Ho
• Granted Patent: US 7,802,537 B2
• Time in Patent Office: Days
• US Class Current: 313/504
• CPC Class Codes: C23C 14/042 using masks
• CPC Class Codes: C23C 14/12 Organic material
• CPC Class Codes: H10K 59/35 comprising red-green-blue [RGB] subpixels
• CPC Class Codes: H10K 71/00 Manufacture or treatment specially adapted for the organic devices covered by this subclass
• CPC Class Codes: H10K 71/164 using vacuum deposition
• CPC Class Codes: H10K 71/166 using selective deposition, e.g. using a mask

Abstract

A mask frame assembly for depositing a thin film including at least two unit masks, ends of the unit masks being coupled to a frame having an opening, and each unit mask includes a plurality of deposition openings. A first gap has a width substantially equal to a width of the deposition openings and is located between the unit masks.

Claims

1. A mask frame assembly for depositing a thin film, comprising:

at least two unit masks, ends of the unit masks being coupled to a frame having an opening,

wherein each unit mask includes a plurality of deposition openings, and

wherein a first gap having a width substantially equal to a width of the deposition openings is located between the unit masks.

2. The mask frame assembly of claim 1, wherein a second gap having a width substantially equal to the width of the deposition openings is located between an outermost unit mask of the unit masks and the frame.

3. The mask frame assembly of claim 1, wherein cross-sectional structures of the deposition openings and the first gap are substantially the same.

4. The mask frame assembly of claim 2, wherein cross-sectional structures of the deposition openings and the second gap are substantially the same.

5. The mask frame assembly of claim 1, wherein the deposition openings and the first gap form a masking pattern unit.

6. The mask frame assembly of claim 2, wherein the deposition openings, the first gap, and the second gap form a masking pattern unit.

7. The mask frame assembly of claim 1, wherein the deposition openings are arranged corresponding to the opening of the frame.

8. The mask frame assembly of claim 1, wherein the first gap extends along a length direction of the unit masks.

9. The mask frame assembly of claim 8, wherein the first gap has a length that is substantially equal to a length of a portion of a unit mask exposed in the opening of the frame.

10. The mask frame assembly of claim 2, wherein the second gap extends along a length direction of the unit masks.

11. The mask frame assembly of claim 10, wherein the second gap has a length that is substantially equal to a length of a portion of a unit mask exposed in the opening of the frame.

12. The mask frame assembly of claim 1, wherein the deposition openings comprise discontinuous dot patterns

13. The mask frame assembly of claim 1, wherein the deposition openings comprise continuous stripe patterns.

14. An organic light emitting display device, comprising:

a plurality of first electrodes and a plurality of second electrodes facing each other and formed on a substrate; and

an emitting layer arranged between the first electrodes and the second electrodes,

wherein the emitting layer includes at least one continuous stripe pattern and a plurality of discontinuous dot patterns.

15. The display device of claim 14, wherein stripe pattern groups are separated a predetermined distance from each other and the dot patterns are arranged between the stripe pattern groups.

16. The display device of claim 14, wherein the stripe pattern and the dot pattern include red, green, and blue stripe patterns and red, green, and blue dot patterns, respectively, and the red, green, and blue stripe patterns are disposed adjacent to each other.

17. The display device of claim 14, wherein the plurality of second electrodes are portions of an electrode covering a display region of the display device.