Indiglo
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Indiglo is a brand name of Indiglo Corporation, solely owned by Timex for licensing purposes. Timex electroluminescent lamps, branded Indiglo, were introduced through Kmart in 1992 in the Ironman watch line. They were an immediate success. An earlier attempt by Timex at making backlit watches using glass electroluminescent lamps was not successful. The Indiglo® lamp uniformly lights the surface of the Timex's watch dials in a manner similar to the Illuminator® technology used by Casio. Some newer watches' backlighting an LCD only light the numbers, rather than the entire face, which is achieved by means of a specialized film that inverts the LCD transmissivity. Indiglo devices emit a distinct blue-green or white or other color, not true indigo, as the name suggests. Electroluminescent phosphors are typically green or blue-green, and most other colors are achieved through the use of cascading dyes.
The Indiglo night-light has been licensed and used in other devices, including clock radios, electronic personal organizers, and nightlights. Its trademark is capitalized INDIGLO.
Electroluminescent lamps are also used in cell phones, pocket pagers and other hand-held products. Unique uses have been seen, such as EXIT signs, street signs, the interior of purses, etc. They are also used in automobiles in the instrument cluster, radio, gear shift indicator, ambience lighting, etc.
The Indiglo Corporation's trademark is capitalized INDIGLO.
