Series LED (Light Emitting Diode) light source with by-pass protection
A LED light source and bypass protection technology, applied in the field of series LED light sources, can solve the problems of reducing the reliability of LED light sources, open circuits, etc.
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[0019] Below in conjunction with accompanying drawing, the present invention is described in detail:
[0020] This embodiment is an example in which a single LED is connected in parallel with a Zener diode.
[0021] Such as figure 1 As shown, the series LED light source of this embodiment includes several LEDs connected in series, each LED is connected in parallel with a zener diode, the zener diode Z1 is connected in parallel with LED D1, the zener diode Z2 is connected in parallel with LED D2, and the zener diode Zn in parallel with LED Dn...and so on. The anode of the Zener diode is connected to the cathode of the LED, the cathode of the Zener diode is connected to the anode of the LED, and the forward voltage of the Zener diode is greater than the forward voltage of the LED.
[0022] Each LED in the series LED circuit is connected in parallel with a Zener diode, and the forward voltage of the Zener diode is greater than the forward voltage of the LED, then the Zener diod...
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Abstract
Description
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Application Information
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