Partial overlapping display tiles of organic light emitting device
Display 100 has three adjacent display tiles 10 , each having a mould plastics support 11 , a glass panel 12 incorporating the OLED element and an interface pcb 17 . These tiles 10 form part of a full-color advertising screen of dimensions 1.2 meter by 1.8 meter, used in indoor public places.
1. A display comprising a plurality of display tiles, each tile comprising a portion to support a display region incorporating an Organic Light Emitting Device (OLED) material, said OLED material comprising a plurality of separately addressable pixel elements, wherein the portion is at a tilt angle θ c of less than 12° to the main plane of the display wherein:
θ
c
=
tan
-
1
(
1
2
+
w
2
3
t
)
l being the tile length, w being the tile width and t being the tile thickness.
2. A display comprising a plurality of display tiles, each tile comprising a portion to support a display region incorporating an Organic Light Emitting Device (OLED) material with a plurality of separately addressable pixel elements, wherein the portion is at a tilt angle θ to the main plane of the display comprising a compound angle θ c , having a nonzero horizontal tilt angle θ h and a nonzero vertical tilt angle θ v , wherein:
θ
c
=
tan
-
1
(
1
2
+
w
2
3
t
)
l being the tile length, w being the tile width and t being the tile thickness.
3. A display according to claim 2 wherein the portion is at a compound tilt angle θ c , which is in the range 0.5° to 12°.
4. A display according to claim 2 wherein the portion is at a compound tilt angle θ c , which is in the range 0.5° to 6°.
5. A display according to claim 2 wherein the portion is at a compound angle θ c in the range 3.0° to 3.4°.
6. A display according to claim 2 wherein the portion is at a horizontal tilt angle θ h of less than 3°.
7. A display according to claim 2 wherein the portion is at a vertical tilt angle θ v of less than 3.5°.
8. A display according to claim 2 wherein a first portion and a second portion of a tile are in substantially parallel planes.
9. A display according to claim 2 wherein a first and second portions of a tile are in a stepped relationship.
10. A display according to claim 2 wherein a first and second portions of a tile are arranged generally in a U-shape.
11. A display according to claim 2 wherein a second portion incorporates wiring and/or electrical connections.
12. A display according to claim 2 wherein the portion comprises a tile to hold a glass panel of an OLED element.
13. A display according to claim 2 wherein the portion comprises a moulded holder of plastic material.
14. A display according to claim 2 comprising heat seal means to ensure high integrity connection of the display to drive electronics.
15. A display according to claim 2 wherein the pixel elements have integral means to generate illumination.
16. A display according to claim 2 comprising means to effect back lighting illumination of a plurality of pixel elements.
17. A display according to claim 2 comprising a plurality of display regions, each incorporating Organic Light Emitting Device (OLED) material, each region comprising a plurality of separately addressable pixel elements.
18. A display according to claim 2 wherein one or more further display regions overlie part of another display region(s).
19. A display array according to claim 2 wherein portions of display areas which lie underneath other display areas incorporate at least one of wiring or electrical connections.
20. A display according to claim 2 comprising a plurality of display regions which overlie part of a display region of at least one of a laterally or orthogonally adjacent display region.
21. A display according to claim 2 wherein the display regions form a substantially continuous array over a display surface.
22. A display according to claim 2 comprising a plurality of OLED pixel array tiles.
23. A display according to claim 2 comprising a plurality of electronic paper tiles.
24. A display according to claim 2 wherein a substrate comprises a passive matrix display device.
25. A display according to claim 2 wherein the main plane of the display comprises a plane incorporating the nearest point of each OLED display first portion to an observer of the display.
26. A display comprising a plurality of display tiles, each of said display tiles further including:
a. a support member;
b. a printed circuit board positioned on said support member;
c. a panel having an OLED element operatively connected to said circuit board at a compound tilt angle θ c to the main plane of the display for the printed circuit board to underlie part of another tile, said compound tilt angle θ c , comprising a nonzero horizontal tilt angle θ h and a nonzero vertical tilt angle θ v ; and
d. wherein said display tiles are positioned in an overlapping array to form a substantially three dimensional display.
27. A display comprising a plurality of display tiles forming a main plane of said display, each of said display tiles further comprising:
a. a support member;
b. an OLED element operatively connected to said support member at a compound tilt angle θ c to said main plane of said display, said compound tilt angle θ c , comprising a nonzero horizontal tilt angle θ h , and a nonzero vertical tilt angle θ v ; and
c. wherein said display tiles are positioned such that said OLED elements are an overlapping array forming a substantially three dimensional display.
28. A display according to claim 27 , wherein said compound tilt angle θ c is in the range 0.5° to 6°.
29. A display according to claim 27 , further comprising a plurality of display regions, each incorporating Organic Light Emitting Device (OLED) material, each region comprising a plurality of separately addressable pixel elements.
30. A display array according to claim 27 , wherein portions of display areas which lie underneath other display areas incorporate at least one of wiring or electrical connections.
31. A display according to claim 27 , wherein said display tiles overlie part of a display region of at least one of a laterally or orthogonally adjacent display tile.
32. A display according to claim 27 , further comprising a plurality of electronic paper tiles.
33. A display according to claim 27 , wherein a substrate comprises a passive matrix display device.
34. A display according to claim 27 , wherein each tile comprises a portion to support a display region and the main plane of the display comprises a plane incorporating the nearest point of each OLED portion to an observer of the display.