IP Library › Granted Patent US 9,024,863
Granted Patent B2
US 9,024,863 · App. 14/459,818 · Granted May 5, 2015

Display device

Inventors: Satohiro Okamoto (Kanagawa, JP); Yasuyuki Arai (Kanagawa, JP); Ikuko Kawamata (Kanagawa, JP); Atsushi Miyaguchi (Kanagawa, JP); Yoshitaka Moriya (Kanagawa, JP)
Assignee: Semiconductor Energy Laboratory Co., Ltd.
G09G3/3611G02F1/133305G02F1/13452G09G5/003G02F1/167G09G2300/0421G09G2300/0478
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Quick Facts
Patent No.
US 9,024,863
App. No.
14/459,818
Granted
May 5, 2015
Kind
B2
Abstract

The display device includes: a flexible display panel including a display portion in which scanning lines and signal lines cross each other; a supporting portion for supporting an end portion of the flexible display panel; a signal line driver circuit for outputting a signal to the signal line, which is provided for the supporting portion; and a scanning line driver circuit for outputting a signal to the scanning line, which is provided for a flexible surface of the display panel in a direction which is perpendicular or substantially perpendicular to the supporting portion.

Claims (150)

1. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility; and

a flexible printed circuit (FPC) attached to an end portion of the display panel,

wherein the end portion of the display panel is along a first direction,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along the first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction, and

wherein the first plate and the second plate are attached to the same surface of the first substrate.

2. The display device according to claim 1 , comprising a supporting portion at the end portion of the display panel, wherein the FPC is provided in the supporting portion.

3. The display device according to claim 1 , wherein the display element is a light-emitting element.

4. The display device according to claim 1 , wherein the display element is a liquid crystal element.

5. The display device according to claim 1 , wherein the display element is an electrophoretic display element.

6. The display device according to claim 1 , wherein the first plate and the second plate are reinforcing plates.

7. The display device according to claim 1 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

8. The display device according to claim 1 , comprising an integrated circuit (IC) chip mounted on the FPC, the IC chip comprising:

a signal line driver circuit electrically connected to the display portion.

9. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility; and

an integrated circuit (IC) chip mounted on an end portion of the display panel, the IC chip comprising:

a signal line driver circuit electrically connected to the display portion,

wherein the end portion of the display panel is along a first direction,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along the first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction, and

wherein the first plate and the second plate are attached to the same surface of the first substrate.

10. The display device according to claim 9 , comprising a supporting portion at the end portion of the display panel, wherein the FPC is provided in the supporting portion.

11. The display device according to claim 9 , wherein the display element is a light-emitting element.

12. The display device according to claim 9 , wherein the display element is a liquid crystal element.

13. The display device according to claim 9 , wherein the display element is an electrophoretic display element.

14. The display device according to claim 9 , wherein the first plate and the second plate are reinforcing plates.

15. The display device according to claim 9 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

16. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along a first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction,

wherein the first plate and the second plate are attached to the same surface of the first substrate, and

wherein an operation portion is provided for the display panel so that the display portion is capable of functioning as a touch display.

17. The display device according to claim 16 , comprising a supporting portion at an end portion of the display panel, wherein the FPC is provided in the supporting portion.

18. The display device according to claim 16 , wherein the display element is a light-emitting element.

19. The display device according to claim 16 , wherein the display element is a liquid crystal element.

20. The display device according to claim 16 , wherein the display element is an electrophoretic display element.

21. The display device according to claim 16 , wherein the first plate and the second plate are reinforcing plates.

22. The display device according to claim 16 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

23. The display device according to claim 16 , wherein the operation portion is provided with a keyboard or an operation button.

24. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility; and

a flexible printed circuit (FPC) attached to an end portion of the display panel,

wherein the end portion of the display panel is along a first direction,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along the first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction,

wherein the first plate and the second plate are attached to the same surface of the first substrate, and

wherein the transistor comprising a semiconductor layer comprising an oxide semiconductor.

25. The display device according to claim 24 , comprising a supporting portion at the end portion of the display panel, wherein the FPC is provided in the supporting portion.

26. The display device according to claim 24 , wherein the display element is a light-emitting element.

27. The display device according to claim 24 , wherein the display element is a liquid crystal element.

28. The display device according to claim 24 , wherein the display element is an electrophoretic display element.

29. The display device according to claim 24 , wherein the first plate and the second plate are reinforcing plates.

30. The display device according to claim 24 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

31. The display device according to claim 24 , comprising an integrated circuit (IC) chip mounted on the FPC, the IC chip comprising:

a signal line driver circuit electrically connected to the display portion.

32. The display device according to claim 24 , wherein the oxide semiconductor comprises indium and zinc.

33. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility; and

an integrated circuit (IC) chip mounted on an end portion of the display panel, the IC chip comprising:

a signal line driver circuit electrically connected to the display portion,

wherein the end portion of the display panel is along a first direction,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along the first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction,

wherein the first plate and the second plate are attached to the same surface of the first substrate, and

wherein the transistor comprising a semiconductor layer comprising an oxide semiconductor.

34. The display device according to claim 33 , comprising a supporting portion at the end portion of the display panel, wherein the FPC is provided in the supporting portion.

35. The display device according to claim 33 , wherein the display element is a light-emitting element.

36. The display device according to claim 33 , wherein the display element is a liquid crystal element.

37. The display device according to claim 33 , wherein the display element is an electrophoretic display element.

38. The display device according to claim 33 , wherein the first plate and the second plate are reinforcing plates.

39. The display device according to claim 33 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

40. The display device according to claim 33 , wherein the oxide semiconductor comprises indium and zinc.

41. A display device comprising:

a display panel comprising:

a first plate and a second plate;

a first substrate over the first plate and the second plate, the first substrate having flexibility;

a display portion over the first substrate, the display portion comprising:

a transistor; and

a display element electrically connected to the transistor;

a first driver circuit over the first substrate and overlapping with the first plate; and

a second substrate over the display portion and the first driver circuit, the second substrate having flexibility,

wherein the display portion is bendable between the first plate and the second plate,

wherein the display portion is bendable along a first direction,

wherein the first driver circuit is provided along a second direction perpendicular to the first direction,

wherein the first plate and the second plate are attached to the same surface of the first substrate,

wherein an operation portion is provided for the display panel so that the display portion is capable of functioning as a touch display, and

wherein the transistor comprising a semiconductor layer comprising an oxide semiconductor.

42. The display device according to claim 41 , comprising a supporting portion at an end portion of the display panel, wherein the FPC is provided in the supporting portion.

43. The display device according to claim 41 , wherein the display element is a light-emitting element.

44. The display device according to claim 41 , wherein the display element is a liquid crystal element.

45. The display device according to claim 41 , wherein the display element is an electrophoretic display element.

46. The display device according to claim 41 , wherein the first plate and the second plate are reinforcing plates.

47. The display device according to claim 41 , comprising:

a third plate over the second substrate and overlapping with the first plate; and

a fourth plate over the second substrate and overlapping with the second plate.

48. The display device according to claim 41 , wherein the operation portion is provided with a keyboard or an operation button.

49. The display device according to claim 41 , wherein the oxide semiconductor comprises indium and zinc.

Priority Claims (1)
JP 2009-112378 · May 2, 2009 · national
Continuity (3)
Continuation 13684946 · Nov 26, 2012
Continuation 12769298 · Apr 28, 2010
Related Publication 20140354612A1 · Dec 4, 2014