OLED display architecture having some blue subpixel components replaced with non-emissive volume containing via or functional electronic component and method of manufacturing thereof

• US 9,000,459 B2
• Filed: 03/12/2013
• Issued: 04/07/2015
• Est. Priority Date: 03/12/2013
• Status: Active Grant

• Current Assignee: Universal Display Corporation
• Original Assignee: Universal Display Corporation
• Inventors: Brown, Julia J., Hack, Michael
• Primary Examiner(s): Smoot, Stephen W
• Application Number:
  US13/796,050
• Publication Number:
  US 20140264290A1
• Time in Patent Office: 756 Days
• US Class Current: 257/89
• CPC Class Codes: H01L 27/156 two-dimensional arrays
• CPC Class Codes: H10K 2102/3026 Top emission
• CPC Class Codes: H10K 59/131 Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 59/179 Interconnections, e.g. wiring lines or terminals
• CPC Class Codes: H10K 59/351 comprising more than three subpixels, e.g. red-green-blue-white [RGBW]
• CPC Class Codes: H10K 59/353 characterised by the geometrical arrangement of the RGB subpixels
• CPC Class Codes: H10K 59/88 Dummy elements, i.e. elements having non-functional features

Abstract

A display includes one or more organic light emitting device panels. Each organic light emitting device panel has an array of single-color subpixel areas of different colors extending over an active area thereof arranged in a predetermined pattern by color. At least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern being predetermined to be non-emissive. A volume of the organic light emitting device panel associated with the at least one predetermined non-emissive subpixel area is non-emissive and includes a via or a functional electronic component therein.

Claims

1. A display comprising one or more organic light emitting device panels, each organic light emitting device panel having an array of single-color subpixel areas of different colors extending over an active area thereof arranged in a predetermined pattern by color, at least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern being predetermined to be non-emissive, wherein a volume of the organic light emitting device panel associated with the at least one predetermined non-emissive subpixel area is non-emissive and comprises a via or a functional electronic component therein.

2. The display of claim 1 wherein a plurality of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which blue light is emitted based on positions thereof in the predetermined pattern are predetermined to be non-emissive, a volume associated with each of the predetermined non-emissive subpixel areas is non-emissive and comprises a via or a functional electronic component therein.

3. The display of claim 2 wherein vias are formed only in the volumes associated with each predetermined non-emissive subpixel area.

4. The display of claim 2 wherein the predetermined pattern further comprises subpixel areas through which red light is emitted and subpixel areas through which green light is emitted.

5. The display of claim 4 wherein the predetermined pattern further comprises white subpixel areas through which white light is emitted.

6. The display of claim 4 wherein the subpixel areas through which red light is emitted are associated with light having peak wavelength in the visible spectrum of 580-700 nm, the subpixel areas through which green light is emitted are associated with light having a peak wavelength in the visible spectrum of 500-580 nm and the subpixel areas through which blue light is emitted are associated with light having a peak wavelength in the visible spectrum of 400-500 nm.

7. The display of claim 4 wherein the subpixel areas through which blue light is to be emitted have a larger surface area than the subpixel areas through which red light is to be emitted or the subpixel areas through which green light is to be emitted.

8. The display of claim 2 wherein at least one of the vias comprises at least one conductive pathway.

9. The display of claim 8 wherein the functional electrical component comprises drive circuitry.

10. The display of claim 8 wherein the functional electrical component comprises a shift register.

11. The display of claim 2 wherein each organic light emitting device panel comprises a substrate upon which a plurality of organic light emitting devices are deposited, the plurality of organic light emitting devices being deposited in positions determined by the predetermined pattern.

12. The display of claim 11 wherein at least one of the vias pass through the substrate.

13. The display of claim 12 wherein at least one of the vias is connected to an electrode positioned over at least one of the organic light emitting devices.

14. The display of claim 2 wherein subpixel areas in the pattern designated as subpixel areas through which blue light is emitted comprise subpixel areas through which light blue light is emitted and subpixel areas through which deep blue light is emitted, the plurality of the predetermined non-emissive subpixel areas being subpixel areas that would otherwise be designated as subpixel areas through which deep blue light is emitted based on positions thereof in the predetermined pattern.

15. The display of claim 14 wherein the subpixel areas through which deep blue light is emitted are associated with a peak emissive wavelength of light less than a peak emissive wavelength of light associated with the subpixel areas through which light blue light is emitted.

16. The display of claim 14 wherein the subpixel areas through which light blue light is emitted are associated with light having a peak wavelength in the visible spectrum of 465-500 nm and the subpixel areas through which deep blue light is emitted are associated with having a peak wavelength in the visible spectrum of 400-465 nm.

17. The display of claim 2 wherein the predetermined pattern is a multi-line RGB stripe pattern.

18. The display of claim 2 wherein the subpixel areas have generally the same surface area.

19. The display of claim 2 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 3 mm.

20. The display of claim 19 comprising more than one organic light emitting device panels in a tiled arrangement.

21. The display of claim 19 wherein each of the one or more organic light emitting device panels is encapsulated via a thin film.

22. The display of claim 21 wherein the thin film comprises a mixture of a polymeric material and a non-polymeric material.

23. The display of claim 2 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 2 mm.

24. The display of claim 2 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 1 mm.

25. The display of claim 2 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 0.1 mm.

26. The display of claim 2 wherein at least one of the organic light emitting device panels is flexible.

27. The display of claim 2 wherein at least one of the organic light emitting device panels is transparent.

28. The display of claim 2 wherein each non-emissive volume includes no anode in connection therewith or no cathode in connection therewith.

29. The display of claim 1 wherein a portion of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which light other than blue light is emitted, based on positions thereof in the predetermined pattern, are determined to be non-emissive and wherein a non-emissive volume is associated with each of the predetermined non-emissive subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern.

30. The display of claim 29 wherein more than 1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non-emissive.

31. The display of claim 29 wherein no more than 0.1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non-emissive.

32. A device comprising a drive system and a display in communicative connection with the drive system, the display comprising one or more organic light emitting device panels, each organic light emitting device panels having an array of single-color subpixel areas of different color extending over an active area thereof arranged in a predetermined pattern by color, at least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern being predetermined to be non-emissive, wherein a volume of the organic light emitting device panel associated with the at least one predetermined non-emissive subpixel area is non-emissive and comprises a via or a functional electronic component therein.

33. The device of claim 32 wherein a plurality of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which blue light is emitted based on positions thereof in the predetermined pattern are predetermined to be non-emissive, wherein a volume associated with each of the predetermined non-emissive subpixel areas is non-emissive and comprises a via or a functional electronic component therein.

34. The device of claim 33 wherein the device is a computer device, a television, a billboard, a heads-up display device, a printer, a scanner, a copier, a telephone, a cellular phone, a personal digital assistants, a digital camera, a camcorder, a viewfinders, a vehicle, a large-area screen, a sign or a 3D display.

35. The device of claim 33 wherein each organic light emitting device panel comprises a substrate upon which a plurality of organic light emitting devices are deposited, the plurality of organic light emitting devices being deposited in positions determined by the predetermined pattern and wherein at least one of the vias passes through the substrate.

36. The device of claim 33 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 3 mm.

37. The device of claim 36 comprising more than one organic light emitting device panels in a tiled arrangement.

38. The device of claim 36 wherein each of the one or more organic light emitting device panels is encapsulated via a thin film.

39. The display of claim 38 wherein the thin film comprises a mixture of a polymeric material and a non-polymeric material.

40. The device of claim 33 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 2 mm.

41. The device of claim 33 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 1 mm.

42. The device of claim 33 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 0.1 mm.

43. The device of claim 33 wherein at east one of the organic light emitting device panels is flexible.

44. The device of claim 33 wherein at east one of the organic light emitting device panels is transparent.

45. The device of claim 33 wherein each non-emissive volume includes no anode in connection therewith or no cathode in connection therewith.

46. The device of claim 32 wherein a portion of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are determined to be non-emissive and wherein a non-emissive volume is associated with each of the predetermined non-emissive subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern.

47. The device of claim 46 wherein no more than 1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non-emissive.

48. The device of claim 46 wherein no more than 0.1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non-emissive.

49. A method of manufacturing a display comprising:

providing one or more organic light emitting device panels,

defining a predetermined pattern for an array of single-color subpixel areas of different colors extending over an active area of each of the one or more organic light emitting device panels and arranged in the predetermined pattern by color,

designating at least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern to be non-emissive, and

providing a non-emissive volume associated with the at least one subpixel area predetermined to be non-emissive, wherein the non-emissive volume comprises a via or a functional electronic component therein.

50. The method of claim 49 further comprising positioning the via or the functional electronic component in the non-emissive volume associated with the at least one subpixel area predetermined to be non-emissive.

51. The method of claim 49 comprising:

designating a plurality of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which blue light is emitted based on positions thereof in the predetermined pattern to be non-emissive, and

providing a non-emissive volume associated each of the predetermined non-emissive subpixel areas.

52. The method of claim 51 further comprising positioning the via or the functional electronic component in each of the non-emissive volumes.

53. The method of claim 52 wherein at least one of the vias passes through a substrate.

54. The method of claim 52 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 3 mm.

55. The method of claim 54 comprising more than one organic light emitting device panels in a tiled arrangement.

56. The method of claim 54 wherein each of the one or more organic light emitting device panels is encapsulated via a thin film.

57. The method of claim 56 wherein the thin film comprises a mixture of a polymeric material and a non-polymeric material.

58. The method of claim 52 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 2 mm.

59. The method of claim 52 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 1 mm.

60. The method of claim 52 wherein any non-active border surrounding the active area of each organic light emitting device panel has a maximum width of no more than 0.1 mm.

61. The method of claim 52 wherein at least one of the organic light emitting device panels is flexible.

62. The method of claim 52 wherein at least one of the organic light emitting device panels is transparent.

63. The method of claim 52 wherein each non-emissive volume includes no anode in connection therewith or no cathode in connection therewith.

64. The method of claim 49 further comprising designating a portion of the subpixel areas in the predetermined pattern that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern to be non-emissive and providing a non-emissive volume associated with each of the predetermined non-emissive subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern.

65. The method of claim 64 wherein no more than 1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non-emissive.

66. The method of claim 64 wherein no more than 0.1% of subpixel areas that would otherwise be designated as subpixel areas through which light other than blue light is emitted based on positions thereof in the predetermined pattern are designated as non emissive.

67. A display comprising one or more light emitting device panels, each light emitting device panel having an array of single-color subpixel areas of different colors extending over an active area thereof arranged in a predetermined pattern by color, at least one of the subpixel areas in the predetermined pattern that would otherwise be designated as a subpixel area through which blue light is emitted based on a position thereof in the predetermined pattern being predetermined to be non-emissive, wherein a volume of the light emitting device panel associated with the at least one predetermined non-emissive subpixel area is non-emissive and comprises a via or a functional electronic component therein.