What is the LED filament lamp packaging process

Update:12 Mar 2018

First, LED filament drive classification 1, from the pe […]

First, LED filament drive classification

1, from the perspective of the drive program, LED filament power is divided into three categories: resistance and pressure reduction; linear constant current; IC constant current.
2, from the structural point of view, LED filament power is divided into two categories: all glass without plastic parts; with plastic parts. Among them, there is no need for plastic parts to distinguish lamp types. For example, E26/E27/B22 is a class; E14/E17 is another class.

Second, the main features of the 3 LED filament drive program

1. Resistance and pressure reduction: small size, low cost, constant voltage change, strobe, EMC, lightning surge, and difficulty in export certification. It is easily damaged in areas with poor power grid protection.
2, linear constant current: small size, low cost, small voltage constant voltage range, 30cm no flicker, easy to EMC, heat, in the power grid voltage fluctuations in areas prone to damage due to heat.
3, IC constant current: a large number of components, the cost is slightly higher, the voltage fluctuation constant current accuracy, no flicker, over EMC, the most comprehensive protection.


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