IP Library Granted Patent US 8,441,182
Granted Patent B2
US 8,441,182 · App. 12/978,967 · Granted May 14, 2013

Organic light emitting diode display

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Quick Facts
Patent No.
US 8,441,182
App. No.
12/978,967
Granted
May 14, 2013
Kind
B2
Abstract

An organic light emitting diode display that includes a substrate defined with a plurality of pixels, an organic light emitting diode formed at each pixel with a first electrode, an organic emissive layer, and a second electrode, a driving circuit with a thin film transistor electrically connected to the organic light emitting diode, and a wire electrically connected to the driving circuit with a gate line, a data line, and a common power line to transmit external signals to the driving circuit. The data line and the common power line are formed in different geometric planes.

Claims (31)

1. An organic light emitting diode display, comprising:

a substrate defined with a plurality of pixels;

an organic light emitting diode formed at each pixel with a first electrode, an organic emissive layer, and a second electrode;

a driving circuit with a thin film transistor electrically connected to the organic light emitting diode; and

a wire electrically connected to the driving circuit to transmit external signals thereto, the wire having a gate line, a data line, and a common power line

wherein the data line and the common power line are formed on different planes.

2. The organic light emitting diode display of claim 1 , wherein the data line and the first electrode are formed on the same plane.

3. The organic light emitting diode display of claim 2 , wherein the data line and the first electrode contain the same material.

4. The organic light emitting diode display of claim 3 , wherein the data line and the first electrode contain a transparent conductive material.

5. The organic light emitting diode display of claim 2 , wherein the common power line and source and drain electrodes of the thin film transistor are formed on the same plane.

6. The organic light emitting diode display of claim 5 , wherein the common power line and the source and drain electrodes contain the same material.

7. The organic light emitting diode display of claim 1 , wherein the common power line and the data line are spaced apart from each other by a distance.

8. The organic light emitting diode display of claim 1 , wherein when viewed from the front side, the common power line and the data line overlap each other.

9. The organic light emitting diode display of claim 1 , wherein the gate line is formed in a first direction, and the data line and the common power line are formed in a second direction crossing the first direction, while the gate line, the data line, and the common power line are formed in different planes.

10. The organic light emitting diode display of claim 9 , wherein an interlayer insulating layer covers the gate line while being overlaid with the common power line and source and drain electrodes of the thin film transistor, and a planarization layer covers the common power line and the source and drain electrodes while being overlaid with the data line and the first electrode.

11. The organic light emitting diode display of claim 9 , wherein the horizontal width of the respective pixels is 30 μm or less, and the distance between the common power line and the source and drain electrodes is 6 μm or more.

12. An organic light emitting diode display, comprising:

a substrate defined with a plurality of pixels;

an organic light emitting diode formed at each pixel with a first electrode, an organic emissive layer, and a second electrode;

a driving circuit with a thin film transistor electrically connected to the organic light emitting diode; and

a wire electrically connected to the driving circuit to transmit external signals thereto, the wire having a gate line, a data line, and a common power line,

wherein the data line, the gate line and the common power line exist in different geometric planes with the data line and common power line running parallel to each other and the gate line running perpendicular to the gate line and the common power line, and

wherein the common power line and the data line are spaced apart from each other by a distance equal to or greater than 6 μm.

13. The organic light emitting diode display of claim 12 , wherein the data line and the first electrode are composed of the same material.

14. The organic light emitting diode display of claim 13 , wherein the data line and the first electrode contain a transparent conductive material.

15. The organic light emitting diode display of claim 13 , wherein the common power line and source and drain electrodes of the thin film transistor are formed on the same geometric plane.

16. The organic light emitting diode display of claim 15 , wherein the common power line and the source and drain electrodes contain the same material.

17. The organic light emitting diode display of claim 12 , wherein the common power line and the data line are spaced apart from each other by a distance equal to or greater than 6 μm and less than or equal to 8 μm.

18. The organic light emitting diode display of claim 12 , wherein the common power line and the data line overlap each other.

19. The organic light emitting diode display of claim 12 , wherein an interlayer insulating layer covers the gate line while being overlaid with the common power line and source and drain electrodes of the thin film transistor, and a planarization layer covers the common power line and the source and drain electrodes while being overlaid with the data line and the first electrode.

20. The organic light emitting diode display of claim 12 , wherein the horizontal width of the respective pixels is 30 μm or less, and the distance between the common power line and the source and drain electrodes is 6 μm or more.

Assignments (2)
MERGER Recorded Sep 21, 2012
From: SAMSUNG MOBILE DISPLAY CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 029087/0636 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2011
From: SON, HYUN-CHUL
To: SAMSUNG MOBILE DISPLAY CO., LTD., A CORPORATION CHARTERED IN AND EXISTING UNDER THE LAWS OF THE REPUBLIC OF KOREA
Reel/Frame 025728/0829 →