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US 2002/0014857 A1Published application
Voltage level indicator
OwnerJeroen Van Velzen, Coen T.H.F. Liedenbauminventors
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Abstract
Integrated voltage level indicator comprising a plurality of polymer LEDs between two contact leads, in which the number of luminescing LEDs and/or the intensity of the light in each LED is determined by the external voltage level.
Claims10
A display device comprising a plurality of electroluminescent diodes and means for causing one or more of the diodes to luminesce in dependence upon a voltage to be supplied between two connection points, characterized in that at least the electroluminescent diodes are integrated in one semiconductor body.
Dependencies are inferred from the claim text.