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LED CHARACTERISTICS
 
Mechanism of ESD Shock to LED
When ESD Shock (Normally applied to Reverse bias) is applied to LED Chip dice, It causes leakage current route which has no effect to optical output. → VF become very low and cannot be turned on.
Green, Blue chip is very sensitive to the ESD shock compared to RED chip.
 (Corrective method : Correct assembly Line (Customer) / Using LED built in ESD protection device )
 
 
LED CHARACTERISTICS
LED wafer's most effective point when input current must be found and applied to minimize energy loss in design of LED lighting system.
Cooling generated heat is not our goal. Ours is how to minimize heat generation itself to save energy loss.
HIGH POWER LED Forward Current Characteristics, Tj=25ºC
 
     
 
 
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