Technology overview
Date:2011-05-26 13:46
Status:Be resolved
Question:admin
The first method (RGB-LEDs) uses multiple LED chips each emitting a different wavelength in close proximity, to form the broad white light spectrum. The advantage of this method is that the intensity of each LED can be adjusted to tune the character of the light emitted. The major disadvantage is high production cost.
The second method, phosphor converted LEDs (pcLEDs) uses one short wavelength LED (usually blue or ultraviolet) in combination with a phosphor, which absorbs a portion of the blue
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06/25 13:04