Identification document characterized by an electroluminescence effect and the procedure for its realizing
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United States of America Patent
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Nov 25, 1997
Grant Date -
N/A
app pub date -
Jun 2, 1995
filing date -
Apr 20, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Identification document characterized by an electroluminescence effect, the peculiarity of which consists of including a plurality of superimposed layers according to the following sequence: one transparent support, one codification layer, said codification layer being fit for having a pre-established identification code, one first electric circuit, one first insulating layer, one electroluminescence layer, a second insulating layer, a second electrical circuit, one additional insulating layer, said first and second circuits being fit for lightening said electroluminescence layer by making use of alternating current through said circuits.
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