A monochromic, multi-color and full-color cold cathode fluorescent display (CFD), includes some shaped white or multi-color or red, green blue color cold cathode fluorescent lamps (CCFL), reflector, base plate, temperature control means, luminance and contrast enhancement face plate, shades and its
A monochromic, multi-color and full-color cold cathode fluorescent display (CFD), includes some shaped white or multi-color or red, green blue color cold cathode fluorescent lamps (CCFL), reflector, base plate, temperature control means, luminance and contrast enhancement face plate, shades and its driving electronics. CFD is a large screen display device which has high luminance, high efficiency, long lifetime, high contrast and excellent color. CFD can be used for both outdoor and indoor applications even at direct sunlight, to display a character, or graphic and video image.
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It is claimed: 1. A cold cathode gas discharge apparatus, comprising: at least one cold cathode fluorescent lamp having at least one electrode, wherein the at least one cold cathode fluorescent lamp has at least one portion that is spiral in shape; a light transmitting container housing said at lea
It is claimed: 1. A cold cathode gas discharge apparatus, comprising: at least one cold cathode fluorescent lamp having at least one electrode, wherein the at least one cold cathode fluorescent lamp has at least one portion that is spiral in shape; a light transmitting container housing said at least one lamp; an electrical connector electrically connected to said at least one electrode and adapted to be electrically and mechanically connected to a conventional electrical lamp socket; and a support member supporting the at least one cold cathode fluorescent lamp. 2. The apparatus of claim 1, said container substantially surrounding the at least one lamp to transmit light emitted by the at least one lamp. 3. The apparatus of claim 2, said container including a glass tube. 4. The apparatus of claim 1, wherein said container defines therein a light reflective chamber. 5. The apparatus of claim 1, wherein said container defines therein a vacuum medium. 6. The apparatus of claim 1, said support member comprising a base plate or substrate supporting said at least one lamp. 7. The apparatus of claim 1, said container defining therein a sealed chamber for housing said at least one lamp. 8. The apparatus of claim 1, wherein said electrical connector configuration includes a two prong configuration. 9. The apparatus of claim 1, wherein the container has a portion that has substantially the shape of a cone. 10. The apparatus of claim 1, further comprising a driver circuit connected to the at least one electrode, said circuit supplying power to the lamp. 11. The apparatus of claim 10, wherein said circuit converts power from a power company to AC power at a desired operating frequency for CCFL. 12. The apparatus of claim 11, wherein said desired operating frequency for CCFL is of the order of about tens of kHz. 13. The apparatus of claim 1, wherein said at least one lamp has at least one electrode inside said container. 14. The apparatus of claim 1, wherein the container has a back side portion which is substantially conical in shape. 15. The apparatus of claim 14, further comprising a reflective layer on or near the substantially conically shaped portion to reflect light and to increase the luminance of the apparatus. 16. The apparatus of claim 1, said apparatus comprising a plurality of cold cathode fluorescent lamps, at least some of the plurality of cold cathode fluorescent lamps emitting light of different colors in response to electrical current applied to said electrical connector. 17. The apparatus of claim 16, said at least some of the plurality of cold cathode fluorescent lamps emitting red, green and blue light. 18. The apparatus of claim 1, wherein the container comprises a first and a second portion, the first portion being larger than the second portion. 19. The apparatus of claim 18, further comprising a reflective layer on the second portion to reflect light and to increase the luminance of the apparatus.
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