Zone backlighting for LCD displays LCD displays through use of field-induced polymer electro luminescence panels
View Patent ↗A display system, having an emissive body, emitting light over a complete surface as part of a display system. The emissive body can be a FIPEL type device with a first transparent conductive coating over a light emitting substrate. A transparent substrate, has first and second surfaces, with the first surface coupled to the first transparent conductive coating, and the second surface of said transparent substrate including a surface formed with plural light channeling structures thereon.
1. A display system, comprising:
an emissive body, emitting light over a surface as part of a display system, said emissive body being formed of a first layer having multiple light emitting parts on the first layer, and insulation on the first layer between said multiple light emitting parts, each light emitting part being separately controlled to emit light separately and each light emitting part emitting a wavelength of light that is separately controlled from wavelengths of light of other light emitting parts, each of said light emitting parts forming a zone on said surface that is separately controllable to control light output from said zone, where each said zone is separated from an adjacent zone by a material that is part of the first layer forming the insulation; and
a spatial light modulator, modulating the light from each of said zones of said emissive body.
2. The display system as in claim 1 wherein said emissive body is connected to said adjacent zone by a common substrate on a second layer of said emissive body, and where said common substrate forms a part of a signal path used to control said wavelengths of each of said zones.
3. The display system as in claim 1 , wherein said emissive body emits light from both front and back.
4. The display system as in claim 1 , wherein said emissive body is divided into 32 said zones.
5. The display system as in claim 1 , wherein said emissive body is divided into 144 said zones.
6. The display system as in claim 1 , wherein each said zone is separately controllable to control an amount of light output from the zone.
7. The display system as in claim 1 , further comprising at least one signal generator, and wherein each said zone is separately controllable by changing a value of a frequency of said at least one signal generator to control wavelength of light output from the zone.
8. The display system as in claim 2 , wherein the common substrate is a back panel.
9. The display system as in claim 2 , wherein the common substrate is a front panel.
10. The display system as in claim 1 , wherein said spatial light modulator is liquid crystal, forming a liquid crystal display.
11. The display system as in claim 10 , wherein the display system is a television.
12. This display system as in claim 10 wherein the display system is in a portable computer.
13. The display system as in claim 12 , wherein said portable computer is one of a tablet, cell phone, watch or PDA.
14. The display system as in claim 10 , wherein said spatial light modulator is composed of elements that are one of: TFT, VA, IPS, IGZO or an electro-wetting device.
15. A method of forming a display comprising:
controlling an emissive body to emit light separately over each of a plurality of zones forming a surface, each zone on said surface being separately controllable to control a wavelength of light output from said zone such that each said zone is separately wavelength controlled; and
a spatial light modulator, modulating the light from each of said zones.
16. The method as in claim 15 , further comprising controlling said emissive body to emit light from both front and back.
17. The method as in claim 15 , wherein said emissive body is divided into 32 said zones.
18. The method as in claim 15 , wherein said emissive body is divided into 144 said zones.
19. The method as in claim 15 , wherein said zones are controlled by a substrate that is common to all said zones and forms part of a signal path to control said wavelengths of said zones.
20. The method as in claim 15 , wherein each said zone is separately controllable to control amount of light output from the zone.
21. The method as in claim 15 , further comprising at least one signal generator, and wherein said wavelength is controlled for each said zone is separately, by changing a value of a frequency of said at least one signal generator to control wavelength of light output from the zone.
22. The method as in claim 19 , wherein the common substrate is a back panel.
23. The method as in claim 19 , wherein the common substrate is a front panel.
24. The method as in claim 15 , wherein said spatial light modulator is liquid crystal, forming a liquid crystal display.
25. The method as in claim 24 , wherein the display is a television.
26. The method as in claim 24 wherein the display is in a portable computer.
27. The method as in claim 26 , wherein said portable computer is one of a tablet, cell phone, watch or PDA.
28. The method as in claim 24 , wherein said spatial light modulator is composed of elements that are one of: TFT, VA, IPS, IGZO or an electro-wetting device.
29. A display system, comprising:
an emissive body, having plural separately controllable zones, each of which are controlled to emit light having a separate wavelength, where each said zone is separated from an adjacent zone by an insulating material that is part of a first layer of said emissive body, and is connected to said adjacent zone by a common substrate on a second layer of said emissive body, where said second layer forms a part of a signal path used to control each of said zones; and
a spatial light modulator, modulating the light from each of said zones of said emissive body to create a display.
30. The display system as in claim 29 , wherein said emissive body emits light from both front and back.
31. The display system as in claim 29 , wherein said emissive body is divided into 32 said zones.
32. The display system as in claim 29 , wherein said emissive body is divided into 144 said zones.
33. The display system as in claim 29 , wherein each said zone is separately controllable to control amount of light output from the zone.
34. The display system as in claim 29 , further comprising at least one signal generator, and wherein each said zone is separately controlled by a frequency of said at least one signal generator to control wavelength of light output from the zone.
35. The display system as in claim 29 , wherein the common substrate is a back panel.
36. The display system as in claim 29 , wherein the common substrate is a front panel.
37. The display system as in claim 29 , wherein said spatial light modulator is liquid crystal, forming a liquid crystal display.
38. The display system as in claim 37 , wherein the display system is a television.
39. This display system as in claim 37 wherein the display system is in a portable computer.
40. The display system as in claim 39 , wherein said portable computer is one of a tablet, cell phone, watch or PDA.
41. The display system as in claim 37 , wherein said spatial light modulator is composed of elements that are one of: TFT, VA, IPS, IGZO or an electro-wetting device.