Infra-red emitting electroluminescent lamp structures
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United States of America Patent
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Aug 15, 1989
Grant Date -
N/A
app pub date -
Dec 31, 1987
filing date -
Dec 31, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A structure for providing electromagnetic wave energy primarily in the near infra-red region of the spectrum and having an electroluminescent lamp element which includes a red fluorescent dye material for emitting energy in both the visible and the near infra-red regions of the spectrum, and at least one layer of optical filter material having selected color filter characteristics for transmitting electromagnetic wave energy therefrom in a manner such that the amount of energy transmitted in the near infra-red region is substantially increased and the amount of energy transmitted in the visible region is substantially decreased.
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