FIPEL backlight panel with pixel color film for displays
View Patent ↗A display system, having an emissive body, emitting light in a way that is color temperature controllable. The light emission can be from zones. The emissive body can be a FIPEL type device with a first transparent conductive coating over a light emitting substrate. The zones are each separately controllable for color temperature.
1. A display system, comprising
an emissive body, having an emissive layer having an emissive surface formed of a polymer material that emits light, and another material on a first side of said polymer material, the emissive surface arranged into multiple rows and columns on said surface, the rows and columns being separately controllable by a row and column multiplexer,
an intersection of each row and column defining a pixel,
an array of three color filters arranged on a second side of the emissive surface, to be on an outside of the emissive surface, at each of said intersections,
each pixel being separately controllable, to emit light separately from said polymer material,
where the light emitted from the emissive surface is created at specific wavelengths depending on a frequency of alternating current, and the light is emitted by injection of electrons and holes into the emissive layer,
and each pixel having a white balance control that controls a color of light emitted from the surface into the array of color filters for each pixel separately, to control a white balance of emitted color of the pixel separate from control of other pixels,
where said white balance of each of said pixels is controllable via controlling a frequency of a frequency generator that is connected to inject said electrons and holes into the emissive layer,
said display system separately controlling all of red, green and blue outputs via said row and column multiplexer and also via said frequency generator.
2. The display system as in claim 1 , wherein the emitting emissive surface is a polarized plastic material that emits light with a polarization of a specific alignment.
3. The display system as in claim 2 , further comprising a controllable spatial light modulator, having multiple individual controllable pixels, said multiple pixels being illuminated by said emissive body, and said pixels each modulating light from said emissive body.
4. The display system as in claim 3 , wherein said polarized plastic material is polarization aligned to the spatial light modulator.
5. The display system as in claim 3 , wherein said spatial light modulator is liquid crystal, forming a liquid crystal display.
6. The display system as in claim 5 wherein said spatial light modulator is composed of elements that are one of: TFT, VA, IPS, IGZO or an electrowetting display.
7. This display system as in claim 1 wherein the display system is in a portable computer.
8. The display system as in claim 7 , wherein said portable computer is one of a tablet, cell phone, or PDA.
9. The display system as in claim 1 , wherein the display system is a television.
10. A method of displaying, comprising
controlling emitting of light from an emissive layer having an emissive surface formed of a polymer material that emits light in multiple rows and columns on said surface, said controlling using electrical connection between said surface and another material that is on a first side of said surface;
defining an intersection of each row and column as being a pixel,
providing an array of three color filters arranged on a second side of the emissive surface, to be on an outside of the emissive surface, at each of said intersections;
said controlling comprising using a row and column multiplexer to separately control the rows and columns to control each pixel to emit light separately from said polymer material, where the light emitted from the emissive surface is created at specific wavelengths depending on a frequency of alternating current, and the light is emitted by injection of electrons and holes into the emissive layer,
said controlling a color of light emitted from the surface into the array of color filters for each pixel separately, to control white balance control on a pixel by pixel basis via controlling a frequency of a frequency generator;
controlling at least a part of a color of each said pixel using said white balance control that is controlled using said row and column multiplexer, and controlling all of red, green and blue outputs using said controlling.
11. The method as in claim 10 , wherein the emissive surface is a polarized plastic material that emits light with a polarization of a specific alignment and further comprising emitting polarized light from said surface.
12. The method as in claim 11 , further comprising controlling a controllable spatial light modulator, having multiple individual controllable pixels, said multiple pixels being illuminated by said emissive surface, and said pixels each modulating the light from said emissive surface.
13. The method as in claim 12 , wherein said polarized plastic material is polarization aligned to the spatial light modulator.
14. The method as in claim 12 , wherein said spatial light modulator is liquid crystal, forming a liquid crystal display.
15. The method as in claim 14 wherein said spatial light modulator is composed of elements that are one of: TFT, VA, IPS, IGZO or an electrowetting display.
16. The method as in claim 11 , wherein said color filter is directly adhered to said emissive surface.
17. The method as in claim 10 , wherein there are multiple ones of said frequency generators, which are variable in frequency to vary colors of each pixel, said frequency generators connected to said pixels by said row and column multiplexers.
18. This method as in claim 10 wherein the method controls a portable computer.
19. The method as in claim 18 , wherein said portable computer is one of a tablet, cell phone, or PDA.
20. The method as in claim 10 , wherein the method controls a television.