Organic light-emitting diode display

Patent metadata

Field	Value
Publication number	US-RE49958-E
Application number	US-202217577594-A
Country	US
Kind code	E1
Filing date	Jan 18, 2022
Priority date	Oct 21, 2014
Publication date	Apr 30, 2024
Grant date	Apr 30, 2024

Abstract

An organic light-emitting diode (OLED) display is disclosed. In one aspect, the display includes a stretchable substrate, a thin film transistor (TFT) formed over the stretchable substrate and including a plurality of electrodes, an OLED electrically connected to the TFT and including a plurality of electrodes, and a plurality of interconnection lines connected to the electrodes of the OLED and the TFT. At least one of the interconnection lines is configured to move in a stretching direction and rotate an electrode selected from the electrodes of the OLED and the TFT connected to the at least one interconnection line.

First claim

What is claimed is:

1. An organic light-emitting diode (OLED) display comprising:
a stretchable substrate; a thin film transistor (TFT) over the stretchable substrate and comprising a plurality of electrodes; an OLED electrically connected to the TFT and including a plurality of electrodes; and a plurality of interconnection lines connected to a corner portion of one selected from among the plurality of electrodes of the OLED and the plurality of electrodes of the TFT, wherein the selected electrode has at least four corners, and the interconnection lines are respectively connected to the four corners, and wherein the interconnection lines and the selected electrode are movable in a stretching direction.

2. The OLED display of claim 1 , wherein a selected electrode is rotatable.

3. The OLED display of claim 1 , wherein the selected electrode has a square shape.

4. The OLED display of claim 3 , wherein the interconnection lines connected to opposite corners of the selected electrode are stretchable opposite to each other.

5. The OLED display of claim 4 , wherein the interconnection lines connected to the four corners are arranged at a regular interval of 90 degrees.

6. The OLED display of claim 3 , wherein the interconnection lines are respectively connected to four corners of the selected electrode of the square shape and extended to outside the selected electrode from the four corners, and directions in which the interconnection lines extend are not in parallel with a center line between two facing sides of the selected electrode of the square shape.

7. The OLED display of claim 6 , wherein the interconnection lines connected to the four corners each extends from one of two facing sides of the electrode of the square shape toward the other of the two facing sides while forming an entirely whirlwind shape.

8. The OLED display of claim 7 , wherein the whirlwind shape is made in a clockwise direction or in a counter-clockwise direction.

9. The OLED display of claim 1 , wherein the interconnection lines comprise a bent portion configured to be straightened when the stretchable substrate is stretched.

10. The OLED display of claim 1 , wherein the TFT comprises an active layer, a gate electrode, a source electrode, and a drain electrode, and wherein the OLED comprises a pixel electrode, an emission layer, and an opposite electrode.

11. The OLED display of claim 10 , wherein the selected electrode includes the pixel electrode.

12. The OLED display of claim 10 , wherein the selected electrode includes the gate electrode.

13. The OLED display of claim 10 , wherein the selected electrode includes the source electrode.

14. The OLED display of claim 10 , wherein the selected electrode includes the drain electrode.

15. The OLED display of claim 10 , wherein the selected electrode includes the opposite electrode.

16. A light-emitting diode (LED) display apparatus comprising:
a stretchable layer; a transistor comprising a plurality of electrodes over the stretchable layer; a LED electrically connected to the transistor and including a plurality of electrodes; and a plurality of interconnection lines connected to the plurality of electrodes of the LED and the plurality of electrodes of the transistor, wherein at least one of the interconnection lines is movable in a stretching direction, wherein at least one of the plurality of electrodes of the LED and the plurality of electrodes of the transistor is rotatable, and wherein the at least one interconnection line comprises a bent portion configured to be straightened when the stretchable layer is stretched.

17. The LED display apparatus of claim 16, wherein the at least one interconnection line is connected to a corner portion of the at least one of the plurality of electrodes of the LED and the plurality of electrodes of the transistor.

18. The LED display apparatus of claim 16, wherein the at least one of the plurality of electrodes of the LED and the plurality of electrodes of the transistor has four corners, and
wherein the interconnection lines are respectively connected to the four corners.

19. The LED display apparatus of claim 18, wherein the interconnection lines connected to opposite corners of the at least one of the plurality of electrodes of the LED and the plurality of electrodes of the transistor are stretchable opposite to each other.

20. The LED display apparatus of claim 16, wherein the at least one of the plurality of electrodes of the LED and the plurality of electrodes of the transistor has a square shape.

21. The LED display apparatus of claim 16, wherein the LED comprises a pixel electrode, an emission layer, and an opposite electrode,
wherein at least one of the pixel electrode and the opposite electrode has four corners, and wherein the interconnection lines are respectively connected to the four corners.

22. The LED display apparatus of claim 16, wherein the transistor comprises an active layer, a gate electrode, a source electrode, and a drain electrode,
wherein at least one of the gate electrode, the source electrode, and the drain electrode has four corners, and wherein the interconnection lines are respectively connected to the four corners.

23. A LED display apparatus comprising:
a stretchable layer; a plurality of electrodes over the stretchable layer; and a plurality of interconnection lines connected to a corner portion of one selected from among the plurality of electrodes, wherein the selected electrode has at least four corners, the interconnection lines are respectively connected to the four corners, and the interconnection lines and the selected electrode are movable in a stretching direction, and wherein the interconnection lines connected to opposite corners of the selected electrode are stretchable opposite to each other.

24. The LED display apparatus of claim 23, wherein the selected electrode is rotatable.

25. The LED display apparatus of claim 23, wherein the selected electrode has a square shape.

26. The LED display apparatus of claim 25, wherein the interconnection lines are respectively connected to four corners of the selected electrode of the square shape and extended to outside the selected electrode from the four corners, and directions in which the interconnection lines extend are not in parallel with a center line between two facing side of the selected electrode of the square shape.

27. The LED display apparatus of claim 25, wherein the interconnection lines connected to the four corners each extend from one of two facing sides of the selected electrode of the square shape toward the other of the two facing sides while forming an entirely whirlwind shape.

28. The LED display apparatus of claim 27, wherein the whirlwind shape is made in a clockwise direction or in a counter-clockwise direction.

29. The LED display apparatus of claim 23, wherein the interconnection lines comprise a bent portion configured to be straightened when the stretchable layer is stretched.

30. The LED display apparatus of claim 23, wherein the interconnection lines have a substantially zigzag shape.

31. A LED display apparatus comprising:
a stretchable layer; a unit pixel over the stretchable layer and including a plurality of emission layers configured to respectively emit light; and a plurality of interconnection li

Assignees

• Samsung Display Co Ltd

Inventors

• Jeong Minjae
• Park Gyungsoon
• Hong Jongho

Classifications

• H10K2102/311

  Flexible OLED · CPC title

• H10K59/8051

  Anodes · CPC title

• H10K59/123 Primary

  Connection of the pixel electrodes to the thin film transistors [TFT] · CPC title

• H10K59/1213

  the pixel elements being TFTs · CPC title

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · CPC title