packaging technology
Date:2011-05-20 11:56
Status:Be resolved
Question:admin
le will increase.
In general, LEDs emission wavelength with temperature change is 0.2-0.3nm / ℃, spectral width increases, the degree of bright colors. In addition, when forward current flows through the pn junction, the junction loss fever temperature rise at room temperature near the temperature rises 1 ℃, LED luminous intensity will be correspondingly reduced by 1%, the package heat dissipation; to maintain color purity and luminous intensity is very important, in the past to use more way
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