Abstract: An LED tube lamp is disclosed. The LED tube lamp includes a filtering circuit, an LED lighting module, and an anti-flickering circuit. The filtering circuit is configured to filter a rectified external driving signal. The LED lighting module has an LED module, and is configured to generate a driving signal, and the LED module is configured to receive the driving signal to emit light. The LED module is formed on an LED light strip, which includes at least a first pad connected to the filtering circuit, and at least an opening formed on the first pad. The anti-flickering circuit is configured to reduce flickering effect in light emission of the LED module. The LED tube lamp further includes a conduction-delaying circuit; a first rectifying circuit and at least a fuse; or first and second filament-simulating circuits respectively coupled to two opposite ends of the lamp tube.

Abstract: An LED tube lamp is provided. The LED tube lamp includes a lamp tube having at least two external connection terminals, for receiving an external driving signal; a rectifying circuit for rectifying the external driving signal to produce a rectified signal; an LED lighting module comprising an LED module, for emitting light; and a ballast interface circuit coupled between the external connection terminals and the LED lighting module, and comprising a detection circuit configured to determine whether the external driving signal is a high frequency or high voltage signal according to the frequency or voltage level of the rectified signal, wherein the ballast interface circuit is configured such that when the external driving signal is determined to be a high frequency or high voltage signal, the ballast interface circuit causes current conduction in the LED module for emitting light.

Abstract: An LED tube lamp is provided.

Abstract: An LED tube lamp is disclosed. The LED tube lamp includes a tube, a terminal adapter circuit, a first rectifying circuit, a filtering circuit, an LED lighting module and an anti-flickering circuit. The tube has a first pin and a second pin for receiving an external driving signal. The terminal adapter circuit has two fuses respectively coupled to the first and second pins. The first rectifying circuit is coupled to the first and second pins for rectifying the external driving signal to generate a rectified signal. The filtering circuit is coupled to the first rectifying circuit for filtering the rectified signal to generate a filtered signal. The LED lighting module is coupled to the filtering circuit and the LED lighting module having an LED module, wherein the LED lighting module is configured to receive the filtered signal and generate a driving signal, and the LED module receives the driving signal and emits light.

Abstract: The disclosure provides an LED tube lamp, comprising a tube, a terminal adapter circuit, a first rectifying circuit, a filtering circuit, an LED lighting module and an anti-flickering circuit. The tube has a first pin and a second pin for receiving an external driving signal. The terminal adapter circuit has two fuses respectively coupled to the first and second pins. The first rectifying circuit is coupled to the first and second pins for rectifying the external driving signal to generate a rectified signal. The filtering circuit is coupled to the first rectifying circuit for filtering the rectified signal to generate a filtered signal. The LED lighting module is coupled to the filtering circuit and the LED lighting module having a LED module, wherein the LED lighting module is configured to receive the filtered signal and generate a driving signal, and the LED module receives the driving signal and lights.

Abstract: An LED tube lamp is provided. The LED tube lamp includes a lamp tube including a first pin at a first end of the lamp tube and a second pin at a second end of the lamp tube, for receiving an external driving signal; a light strip disposed in the lamp tube, comprising an LED module for emitting light; a driving circuit configured to drive the LED module; a rectifying circuit for rectifying the external driving signal to produce a rectified signal; a filtering circuit coupled to the rectifying circuit, for filtering the rectified signal in order to drive the LED module; a first capacitor coupled to the first pin at the first end of the lamp tube; and a second capacitor coupled to the second pin at the second end of the lamp tube.

Abstract: An LED tube lamp includes a lamp tube having two pins to receive an external driving signal; a rectifying circuit coupled to the two pins to rectify the external driving signal; a filtering circuit coupled to the rectifying circuit to filter rectified signal; and an LED lighting module coupled to the filtering circuit to receive the filtered signal to emit light. The LED lighting module further has a driving circuit and an LED module, the driving circuit includes a controller and a conversion circuit coupled to the filtering circuit to receive and convert filtered signal into driving signal to drive the LED module. The LED tub lamp further includes an over voltage protection circuit coupled to the filtering circuit for detecting the filtered signal, the over voltage protection circuit clamps the filtered signal when determining the filtered signal is higher than a defined over voltage protection value.

Abstract: An LED tube lamp includes a lamp tube having a first pin and a second pin for receiving an external driving signal; a first rectifying circuit for rectifying the external driving signal to produce a rectified signal; a filtering circuit for filtering the rectified signal to produce a filtered signal; an LED lighting module configured to receive the filtered signal for emitting light; and a ballast detection circuit coupled to the first pin or the second pin, and coupled to the first rectifying circuit. The ballast detection circuit includes a switching circuit, and is for detecting whether the external driving signal comes from a ballast. And the ballast detection circuit is configured to control, based on a result of the detection, current conduction or cutoff of the switching circuit, to determine whether to conduct current by the switching circuit, which current bypasses a circuit path other than the switching circuit.

Abstract: A light emitting diode (LED) tube lamp includes a lamp tube having four pins for receiving an external driving signal; a first rectifying circuit coupled to two of the four pins to rectify the external driving signal; a second rectifying circuit coupled to another two of the four pins to rectify the external driving signal; a filtering circuit coupled to the first and the second rectifying circuits to filter rectified signal; and an LED lighting module coupled to the filtering circuit to receive filtered signal to emit light. The first rectifying circuit further includes a terminal adapter circuit for providing four terminals correspondingly coupled to the four pins. With function of the terminal adapter circuit, the LED tub lamp is compatible with an AC driving mode and a ballast driving mode. The LED lighting module further includes a driving circuit having a controller and a converter circuit.

Abstract: The disclosure provides an LED tube lamp, comprising a tube, a terminal adapter circuit, a first rectifying circuit, a filtering circuit, an LED lighting module and an anti-flickering circuit. The tube has a first pin and a second pin for receiving an external driving signal. The terminal adapter circuit has two fuses respectively coupled to the first and second pins. The first rectifying circuit is coupled to the first and second pins for rectifying the external driving signal to generate a rectified signal. The filtering circuit is coupled to the first rectifying circuit for filtering the rectified signal to generate a filtered signal. The LED lighting module is coupled to the filtering circuit and the LED lighting module having a LED module, wherein the LED lighting module is configured to receive the filtered signal and generate a driving signal, and the LED module receives the driving signal and lights.

Abstract: An LED tube lamp is disclosed. The LED tube lamp includes a tube, a terminal adapter circuit, a first rectifying circuit, a filtering circuit, an LED lighting module and an anti-flickering circuit. The tube has a first pin and a second pin for receiving an external driving signal. The terminal adapter circuit has two fuses respectively coupled to the first and second pins. The first rectifying circuit is coupled to the first and second pins for rectifying the external driving signal to generate a rectified signal. The filtering circuit is coupled to the first rectifying circuit for filtering the rectified signal to generate a filtered signal. The LED lighting module is coupled to the filtering circuit and the LED lighting module having an LED module, wherein the LED lighting module is configured to receive the filtered signal and generate a driving signal, and the LED module receives the driving signal and emits light.

Abstract: A light-emitting diode (LED) tube lamp with overcurrent and/or overvoltage protection capabilities includes a lamp tube, a first rectifying circuit, a filtering circuit, an LED lighting module, and a protection circuit. The lamp tube has pins for receiving an external driving signal. The first rectifying circuit is for rectifying the external driving signal to produce a rectified signal. The filtering circuit is for filtering the rectified signal to produce a filtered signal. The LED lighting module includes an LED module, wherein the LED lighting module is configured to receive the filtered signal to produce a driving signal, and the LED module is for receiving the driving signal for emitting light. The protection circuit is configured to determine whether to enter a protection state, wherein upon entering the protection state, the protection circuit works to limit or restrain the level of the filtered signal.

Abstract: A light-emitting diode (LED) tube lamp comprises a lamp tube, a first rectifying circuit, a filtering circuit and an LED driving module. The lamp tube has a first pin and a second pin for receiving an external driving signal. The first rectifying circuit is coupled to the first and second pins, for rectifying the external driving signal to produce a rectified signal. The filtering circuit is coupled to the first rectifying circuit, for filtering the rectified signal to produce a filtered signal. The LED driving module is coupled to the filtering circuit to receive the filtered signal for emitting light. Wherein, the filtering circuit includes a capacitor and an inductor connected in parallel and between one of the first and second pins and the first rectifying circuit, and the parallel-connected capacitor and inductor are configured for presenting a peak equivalent impedance to the external driving signal at a specific frequency.