Display device and method and apparatus for manufacturing the same

• US 20060028125A1
• Filed: 08/03/2005
• Published: 02/09/2006
• Est. Priority Date: 08/04/2004
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Hoon, Kim, Nam-Deog, Chung, Jae-Hoon
• Application Number:
  US11/195,672
• Publication Number:
  US 20060028125A1
• Time in Patent Office: Days
• US Class Current: 313/504
• CPC Class Codes: H10K 50/841 Self-supporting sealing arrangements
• CPC Class Codes: H10K 50/8445 multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
• CPC Class Codes: H10K 50/846 comprising getter material or desiccants
• CPC Class Codes: H10K 59/872 Containers
• CPC Class Codes: H10K 59/8731 multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
• CPC Class Codes: H10K 59/874 including getter material or desiccant

Abstract

A display device includes a first substrate, a second substrate and a blocking member. The first substrate has a light emitting element. The second substrate faces the first substrate. The blocking member is arranged between the first and second substrates. The blocking member includes a first blocking layer and a second blocking layer.

Claims

1. A display device, comprising:

a first substrate comprising a light emitting element;

a second substrate facing the first substrate; and

a blocking member that is arranged between the first substrate and the second substrate,

wherein the blocking member comprises a first blocking layer and a second blocking layer.

2. The display device of claim 1, wherein the light emitting element comprises:

a first electrode;

a second electrode facing the first electrode; and

an organic light emitting layer arranged between the first electrode and the second electrode.

3. The display device of claim 1, wherein the second substrate comprises glass.

4. The display device of claim 1, wherein the second substrate is about 0.1 mm to about 10 mm thick.

5. The display device of claim 1, wherein the second substrate is about 1 mm to about 10 mm thick.

6. The display device of claim 1, wherein at least one of the first blocking layer and the second blocking layer comprises at least one of a thermosetting resin and a photocurable resin.

7. The display device of claim 1, wherein at least one of the first blocking layer and the second blocking layer comprises a desiccant material.

8. The display device of claim 1, further comprising:

a protection layer arranged between the blocking member and the light emitting element.

9. The display device of claim 8, wherein the protection layer comprises an organic material.

10. The display device of claim 8, wherein the protection layer comprises an inorganic material.

11. The display device of claim 8, wherein the protection layer comprises an organic layer and an inorganic layer alternately arranged with each other.

12. The display device of claim 8, wherein the protection layer comprises a desiccant material.

13. The display device of claim 8, wherein the protection layer comprises at least one material selected from the group consisting of calcium, barium, calcium oxide, and barium oxide.

14. The display device of claim 1, wherein the second substrate comprises a receiving groove.

15. A method for manufacturing a display device, comprising:

forming a first blocking layer on a first substrate;

curing the first blocking layer;

forming a second blocking layer on a second substrate;

assembling the first substrate comprising the first blocking layer with the second substrate comprising the second blocking layer such that the first blocking layer faces the second blocking layer; and

curing the second blocking layer to form a blocking member that combines the first substrate and the second substrate.

16. The method of claim 15, wherein curing the first blocking layer comprises fully curing or semi-curing the first blocking layer.

17. The method of claim 15, further comprising:

forming a protection layer on the first blocking layer.

18. The method of claim 15, wherein curing the second blocking layer comprises curing the second blocking layer by heat or light.

19. The method of claim 15, wherein curing the second blocking layer comprises curing the second blocking layer under a pressure that is lower than atmospheric pressure.

20. A method for forming a display device, comprising:

forming a first blocking layer on a first substrate;

curing the first blocking layer;

forming a second blocking layer on the first blocking layer;

assembling the first substrate comprising the first blocking layer and the second blocking layer with a second substrate under a first pressure; and

curing the first blocking layer and the second blocking layer under a second pressure,

wherein the second pressure is higher than the first pressure.

21. The method of claim 20, wherein the first blocking layer comprises an organic material, and the second blocking layer comprises an inorganic material.

22. The method of claim 20, wherein the first blocking layer and the second blocking layer comprise an organic material.

23. The method of claim 20, wherein the first blocking layer and the second blocking layer comprise an inorganic material.

24. The method of claim 20, wherein the first pressure is lower than atmospheric pressure.

25. The method of claim 20, wherein the first pressure is higher than atmospheric pressure.

26. The method of claim 20, wherein the first substrate comprises a light emitting element.

27. The method of claim 26, wherein the light emitting element comprises:

a first electrode;

a second electrode facing the first electrode; and

an organic light emitting layer arranged between the first electrode and the second electrode.

28. The method of claim 20, wherein the second substrate comprises a light emitting element.

29. The method of claim 28, wherein the light emitting element comprises:

a first electrode;

a second electrode facing the first electrode; and

an organic light emitting layer arranged between the first electrode and the second electrode.

30. A method for forming a display device, comprising:

forming a first blocking layer on a first substrate;

forming a second blocking layer on a second substrate;

curing the second blocking layer;

assembling the first substrate and the second substrate under a first pressure such that the first blocking layer faces the second blocking layer; and

curing the first blocking layer and the second blocking layer under a second pressure,

wherein the second pressure is higher than the first pressure.

31. The method of claim 30, wherein the first blocking layer comprises an organic material, and the second blocking layer comprises an inorganic material.

32. The method of claim 30, wherein the first blocking layer and the second blocking layer comprise an organic material.

33. The method of claim 30, wherein the first blocking layer and the second blocking layer comprise an inorganic material.

34. The method of claim 30, wherein the first pressure is lower than atmospheric pressure.

35. The method of claim 30, wherein the first pressure is higher than atmospheric pressure.

36. The method of claim 30, wherein the first substrate comprises a light emitting element.

37. The method of claim 36, wherein the light emitting element comprises:

a first electrode;

a second electrode facing the first electrode; and

an organic light emitting layer arranged between the first electrode and the second electrode.

38. The method of claim 30, wherein the second substrate comprises a light emitting element.

39. The method of claim 38, wherein the light emitting element comprises:

a first electrode;

a second electrode facing the first electrode; and

an organic light emitting layer arranged between the first electrode and the second electrode.

45. The apparatus of claim 38, wherein the optical unit comprises a lamp that provides ultraviolet light to the first substrate and the second substrate.

40. An apparatus for manufacturing a display device, comprising:

a chamber comprising a pressure control device;

a supporting unit arranged in the chamber, the supporting unit supporting a first substrate;

a gripper that grips a second substrate that faces the first substrate;

a transferring unit transferring one of the supporting unit and the gripper along a substantially longitudinal direction in order to arrange the second substrate over the first substrate; and

an optical unit that provides the first substrate and the second substrate with light.

41. The apparatus of claim 40, wherein the supporting unit comprises a lift assembly comprising a lift pin for lifting the first substrate.

42. The apparatus of claim 40, wherein the transferring unit comprises an up-down unit arranged at the supporting unit.

43. The apparatus of claim 40, wherein the transferring unit comprises an up-down unit arranged at the gripper.

44. The apparatus of claim 40, wherein the transferring unit comprises a first up-down unit arranged at the supporting unit, and a second up-down unit arranged at the gripper.

46. The apparatus of claim 40, wherein the supporting unit comprises a heater for heating the first substrate.

47. The apparatus of claim 40, wherein the chamber further comprises a robot arm unit for supporting the second substrate.

48. The apparatus of claim 40, wherein the pressure control device comprises a pump for controlling a pressure of the chamber.