Have a high
lumen retention (Transmittance, light transmittance, transmittance,
expressed in units as a percentage), the first step is packaging
material, the last LED is the most commonly used epoxy resin (epoxy),
epoxy resin, but after aging gradual yellowing (due to "benzene ring"
component), thereby affecting bright colors, especially when the
wavelength of the lower the aging more rapidly, especially the part of
the Have a high lumen retention (Transmittance, light transmittance,
transmittance, expressed in units as a percentage), the first step is
packaging material, the last LED is the most commonly used epoxy resin
(epoxy), epoxy resin, but after aging gradual yellowing (due to
"benzene ring" component), thereby affecting bright colors, especially
when the wavelength of the lower the aging more rapidly, especially the
part of the WLED to use near ultraviolet (Near ultraviolet) light with
other wavelength than visible light, then lower aging more quickly. |
