Product process influnce on the life of white LED
fecha:2011-05-21 09:53
estado:para resolver
pregunta:admin
ction temperature
Theory and practice have proved, LED and LED life is the pn junction temperature closely related. pn junction temperature is generally between 110 ~ 120 ℃, but the design should consider the case of long-term work, pn junction as far as possible kept at 100 ℃. When the LED chip junction temperature rise 10 ℃, the flux will decay 1%, LED chip, the main wavelength of light will shift 1 ~ 2nm.
For the white LED, white LED temperature on the life of great inf
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