Abstract: An LED tube lamp includes a tube having two ends, two end caps respectively at the ends of the tube, a power supply in one or both of the end caps, an LED light strip in the tube; and a plurality of LED light sources on the LED light strip. Each of the end caps comprises a lateral wall substantially coaxial with the tube, an end wall substantially perpendicular to an axial direction of the lateral wall, and at least one opening penetrating through the end wall. An axial direction of the at least one opening is substantially parallel with an axial direction of the lateral wall. The LED light sources electrically connected to the power supply via the LED light strip.

Abstract: An LED tube lamp includes a lamp tube; an LED light strip disposed inside the lamp tube and comprising a mounting region and a connecting region, a plurality of LED light sources mounted on the mounting region and at least two first connecting pads arranged on the connecting region; a fixing structure disposed inside the lamp tube and extending along the longitudinal direction of the lamp tube, the fixing structure comprising a first end fixedly connected to an inner circumferential surface of the lamp tube and second end fixedly connected to the LED light strip; a power supply module disposed on the fixing structure and electrically connecting to the LED light strip via the two first connecting pads, the power supply module comprising a circuit board separate from the light strip and a plurality of electronic components mounted on the circuit board; and two end caps attached to two ends of the lamp tube respectively.

Abstract: An LED tube lamp includes a tube having two ends, two end caps respectively at the ends of the tube, a power supply in one or both of the end caps, an LED light strip in the tube; and a plurality of LED light sources on the LED light strip. Each of the end caps comprises a lateral wall substantially coaxial with the tube, an end wall substantially perpendicular to an axial direction of the lateral wall, and at least one opening penetrating through the end wall. An axial direction of the at least one opening is substantially parallel with an axial direction of the lateral wall. The LED light sources electrically connected to the power supply via the LED light strip.

Abstract: An LED tube lamp comprises a tube, an LED light strip inside the tube, a plurality of LED light sources on the LED light strip, a power supply, and a first and a second end caps. The power supply comprises a circuit board, a plurality of electronic components and a heat-dissipating element. The plurality of electronic components and the heat-dissipating element are on the circuit board. The first end cap and the second end cap are respectively attached at two ends of the tube. The first end cap comprises a lateral wall and an end wall having an opening. The lateral wall is substantially coaxial with the tube and connected to the tube. The end wall is substantially perpendicular to an axial direction of the lateral wall and connected to an end of the lateral wall away from the tube. At least some of the plurality of electronic components and the heat-dissipating element are disposed inside the first end cap.

Abstract: An LED tube lamp includes a tube having two ends, two end caps respectively at the ends of the tube, a power supply in one or both of the end caps, an LED light strip in the tube; and a plurality of LED light sources on the LED light strip. Each of the end caps comprises a lateral wall substantially coaxial with the tube, an end wall substantially perpendicular to an axial direction of the lateral wall, and at least one opening penetrating through the end wall. An axial direction of the at least one opening is substantially parallel with an axial direction of the lateral wall. The LED light sources electrically connected to the power supply via the LED light strip.

Abstract: An LED tube lamp comprises a tube, an LED light strip inside the tube, a plurality of LED light sources on the LED light strip, a power supply, and a first and a second end caps. The power supply comprises a circuit board, a plurality of electronic components and a heat-dissipating element. The plurality of electronic components and the heat-dissipating element are on the circuit board. The first end cap and the second end cap are respectively attached at two ends of the tube. The first end cap comprises a lateral wall and an end wall having an opening. The lateral wall is substantially coaxial with the tube and connected to the tube. The end wall is substantially perpendicular to an axial direction of the lateral wall and connected to an end of the lateral wall away from the tube. At least some of the plurality of electronic components and the heat-dissipating element are disposed inside the first end cap.

Abstract: An LED tube lamp includes a lamp tube; an LED light strip disposed inside the lamp tube and comprising a mounting region and a connecting region, a plurality of LED light sources mounted on the mounting region and at least two first connecting pads arranged on the connecting region; a fixing structure disposed inside the lamp tube and extending along the longitudinal direction of the lamp tube, the fixing structure comprising a first end fixedly connected to an inner circumferential surface of the lamp tube and second end fixedly connected to the LED light strip; a power supply module disposed on the fixing structure and electrically connecting to the LED light strip via the two first connecting pads, the power supply module comprising a circuit board separate from the light strip and a plurality of electronic components mounted on the circuit board; and two end caps attached to two ends of the lamp tube respectively.

Abstract: An LED tube lamp, comprising a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap; an LED module, which includes an LED light source and an LED light strip; and a power supply module, which includes a set of N electronic components operably interconnected to drive the LED light source, wherein: the light transmissive portion is fixedly connected to the reinforcing portion; the reinforcing portion includes a platform and a bracing structure; the bracing structure is fixedly connected to the platform and holds the platform in place; the LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion; and the end cap is attached to an end of the lamp tube.

Abstract: An LED tube lamp comprises a tube, an LED light strip inside the tube, a plurality of LED light sources on the LED light strip, a power supply, and a first and a second end caps. The power supply comprises a circuit board, a plurality of electronic components and a heat-dissipating element. The plurality of electronic components and the heat-dissipating element are on the circuit board. The first end cap and the second end cap are respectively attached at two ends of the tube. The first end cap comprises a lateral wall and an end wall having an opening. The lateral wall is substantially coaxial with the tube and connected to the tube. The end wall is substantially perpendicular to an axial direction of the lateral wall and connected to an end of the lateral wall away from the tube. At least some of the plurality of electronic components and the heat-dissipating element are disposed inside the first end cap.

Abstract: An LED tube lamp includes a lamp tube, a heat shrink sleeve covering on an outer surface of the lamp tube, an LED light strip fixed by an adhesive sheet to an inner circumferential surface of the lamp tube, a plurality of LED light sources on the LED light strip, two end caps respectively coupled to two opposite ends of the lamp tube, and a power supply circuit on the light strip. The LED light strip with the plurality of LED light sources and power supply circuit are in the lamp tube.

Abstract: An LED tube lamp includes a tube having two ends, two end caps respectively at the ends of the tube, a power supply in one or both of the end caps, an LED light strip in the tube; and a plurality of LED light sources on the LED light strip. Each of the end caps comprises a lateral wall substantially coaxial with the tube, an end wall substantially perpendicular to an axial direction of the lateral wall, and at least one opening penetrating through the end wall. An axial direction of the at least one opening is substantially parallel with an axial direction of the lateral wall. The LED light sources electrically connected to the power supply via the LED light strip.

Abstract: An LED tube lamp, comprising a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap; an LED module, which includes an LED light source and an LED light strip; and a power supply module, which includes a set of N electronic components operably interconnected to drive the LED light source, wherein: the light transmissive portion is fixedly connected to the reinforcing portion; the reinforcing portion includes a platform and a bracing structure; the bracing structure is fixedly connected to the platform and holds the platform in place; the LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion; and the end cap is attached to an end of the lamp tube.

Abstract: A light emitting diode (LED) tube lamp includes: a lamp tube, for receiving an external driving signal, a rectifying circuit, a filtering circuit, and an LED module coupled to the filtering circuit and configured to receive a filtered signal for emitting light, wherein the LED module comprises an LED unit, a current-limiting element for receiving the external driving signal, the current-limiting element coupled to one or more of the external connection terminals, and coupled to or in the rectifying circuit, and a ballast interface circuit coupled to the current-limiting element and having a first terminal and a second terminal, for the LED tube lamp to be compatible with a ballast providing the external driving signal, wherein the ballast interface circuit comprises a detection circuit and a switching circuit coupled to the detection circuit, and the ballast interface circuit is configured to detect whether the external driving signal comes from a ballast, and to conduct or cut off the switching circuit based

Abstract: An LED tube lamp, comprising a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap; an LED module, which includes an LED light source and an LED light strip; and a power supply module, which includes a set of N electronic components operably interconnected to drive the LED light source, wherein: the light transmissive portion is fixedly connected to the reinforcing portion; the reinforcing portion includes a platform and a bracing structure; the bracing structure is fixedly connected to the platform and holds the platform in place; the LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion; and the end cap is attached to an end of the lamp tube.

Abstract: An LED tube lamp includes a first rectifying circuit, a second rectifying circuit, an LED lighting module, a mode determination circuit and a mode switching circuit. The first rectifying circuit is coupled to a first pin and second pin and is configured to rectify an external driving signal transmitted from the first pin and/or the second pin. The second rectifying circuit is coupled to a third pin and a fourth pin and is configured to rectify the external driving signal with the first rectifying circuit. The filter circuit is coupled to the first rectifying circuit and configured to filter the rectified signal. The LED lighting module has a driving circuit and an LED module, and is coupled to the filter circuit and is connected to receive the filtered signal. The mode determination circuit is configured to generate a first determined result signal based on the external driving signal.

Abstract: An LED tube lamp includes a lamp tube, a heat shrink sleeve covering on an outer surface of the lamp tube, an LED light strip fixed by an adhesive sheet to an inner circumferential surface of the lamp tube, a plurality of LED light sources on the LED light strip, two end caps respectively coupled to two opposite ends of the lamp tube, and a power supply circuit on the light strip. The LED light strip with the plurality of LED light sources and power supply circuit are in the lamp tube.

Abstract: An LED tube lamp includes a lamp tube, a first external connection terminal and a second external connection terminal coupled to the lamp tube and for receiving an external driving signal; an LED lighting module coupled to the first external connection terminal and configured to receive a signal for emitting light, the signal derived from the first external driving signal; and a ballast interface circuit coupled between the first external connection terminal and the LED lighting module.

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: 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; a filtering circuit for producing a filtered signal; an LED lighting module configured for emitting light; and a ballast-compatible circuit, coupled to the first rectifying circuit, and containing a metallic electrode, a bimetallic strip, and a heating filament in an inert gas. A spacing is configured between the bimetallic strip and the metallic electrode, and the bimetallic strip includes two metallic strips with different temperature coefficients. When the external driving signal is initially input at the first pin and second pin, the ballast-compatible circuit will be in an open-circuit state, until entering a conduction state, which allows a current to flow through the LED lighting module thus allowing the LED tube lamp to emit light.

Abstract: An LED tube lamp includes a lamp tube, a first external connection terminal and a second external connection terminal coupled to the lamp tube and for receiving an external driving signal; an LED lighting module coupled to the first external connection terminal and configured to receive a signal for emitting light, the signal derived from the first external driving signal; and a ballast interface circuit coupled between the first external connection terminal and the LED lighting module.