Semiconductor light emitting diode producing visible light
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United States of America Patent
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Apr 14, 1998
Grant Date -
N/A
app pub date -
Oct 24, 1995
filing date -
Oct 24, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of fabricating a light emitting diode (LED) device producing visible light includes growing layers of an LED emitting blue light to form a blue LED; growing layers of an LED emitting green light to form a green LED; growing layers of an LED emitting red light to form a red LED; and uniting the three LEDs directly to each other by annealing. Therefore, an LED device that can emit light of all three colors from the same region of the LED device with variable light intensity is obtained.
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