Led lamp
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jun 10, 2003
Issued Date -
N/A
app pub date -
May 25, 2001
filing date -
May 31, 2000
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An LED lamp includes blue and red LEDs and a phosphor. The blue LED produces an emission at a wavelength falling within a blue wavelength range. The red LED produces an emission at a wavelength falling within a red wavelength range. The phosphor is photoexcited by the emission of the blue LED to exhibit a luminescence having an emission spectrum in an intermediate wavelength range between the blue and red wavelength ranges.
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Cited Art Landscape
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