I have been exploring how LED light bulbs work and the circuit inside of them. One particular question I have is how the lights are actually arranged?
LIFX, for example, has 4 different types of LEDs; red, green, blue and white. I am assuming each string is controlled by its own channel b the microcontroller, but how are the strings arranged?
Assuming there are 10 Green LEDs, (20mA, 3Vf), would the green LED string be arranged in series? Having a voltage of 30V?
If so, what would happen if one LED fails, would the rest of the LEDs in that string also fail?
Would it be better to arrange LED's in series or in parallel for this kind of scenario?
sample LIFX teardown (from google results)