LED TUBE ADAPTED FOR USE WITH ELECTRONIC BALLAST OR AC MAINS AND CONTROLLING METHOD THEREOF

摘要

An LED tube adapted for use with an electronic ballast and a controlling method thereof are disclosed. The proposed LED tube includes a filament simulation circuit electrically connected to the electronic ballast and a fluorescent lamp tube simulation circuit electrically connected to the filament simulation circuit and including a plurality of LEDs and a lamp tube voltage simulation circuit, wherein the lamp tube voltage simulation circuit is electrically connected to the plurality of LEDs in series.

主权项

1. An LED tube adapted for use with an electronic ballast, comprising:
a filament simulation circuit including:
a first rectifier circuit having at least one of a first instance of two fast diodes and a second instance of two super fast diodes; anda second rectifier circuit having at least one of a first instance of two fast diodes and a second instance of two super fast diodes, wherein the electronic ballast includes a first lamp tube connector with a first terminal and a second terminal, and a second lamp tube connector with a third terminal and a fourth terminal, the first rectifier circuit is electrically connected to the first and the second terminals and the second rectifier circuit is electrically connected to the third and the fourth terminals.