LED adoption in general lighting applications
LED adoption in general lighting applications
LED adoption in general lighting applications
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Light Source Efficacy over Time Comparison<br />
100<br />
50<br />
Light source efficacy<br />
( Lumen/Watt)<br />
1904<br />
1879<br />
1938<br />
//<br />
Fluorescent<br />
Incandescent<br />
1950<br />
1959<br />
1961<br />
Mercury vapor<br />
lamps<br />
Year of <strong>in</strong>vention<br />
Metal halide lamps<br />
Halogen<br />
1981<br />
CFL<br />
2000<br />
1996<br />
136<br />
2002<br />
OSRAM Opto<br />
Lab Demo<br />
2008<br />
2006<br />
2012<br />
White<br />
Power <strong>LED</strong>
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