LIGHT CONDUCTING ELEMENTS, NAMELY, FIBEROPTIC, LCD AND LED BACKLIGHTS, PARTICULARLY FOR DISPLAY SCREENS, MOBILE PHONES, PDAs, HANDHELD COMPUTERS; WAVEGUIDES, NAMELY, FIBEROPTIC, LCD AND LED BACKLIGHTS, PARTICULARLY FOR DISPLAY SCREENS, MOBILE PHONES, PDAs, HANDHELD COMPUTERS; OPTICAL FIBERS; BACKLIGHTS FOR LIGHT CONDUCTION, PARTICULARLY FOR DISPLAY SCREENS, MOBILE PHONES, PDAs, HANDHELD COMPUTERS; BACKLIGHTS WITH HOLOGRAMS, PARTICULARLY FOR DISPLAY SCREENS, MOBILE PHONES, PDAs, HANDHELD COMPU...