:: LED History ::
1907
H. J. Round (1881-1966) discovers the physical effect of electroluminescence.
1962
The first red luminescence diode, type GaAsP, is launched by General Electric.
1971
LEDs are available in more colours (green, orange, yellow).
80er-90er Jahre
First high power LEDs are launched.
1995
The first LED with white light created by luminescence conversion is introduced.
1997
White LEDs are put on the market.
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