An LED tube lamp includes a glass lamp tube, two end caps, an LED light strip, a power supply, and a diffusion film. The glass lamp tube includes a main body region and two rear end regions, each of the two rear end regions coupled to a respective end of the main body region and each of the two end caps coupled to a respective rear end region. A length of the light strip is longer than the length of a main body region of the glass lamp tube. Each of the two end caps is coupled to a respective end of the glass lamp tube by a adhesive. The LED light strip is attached to an inner circumferential surface of the glass lamp tube with a plurality of LED light sources mounted on the LED light strip. The diffusion film is disposed on an out surface of the glass lamp tube.

A lighting device includes a translucent bulb and a light engine arranged in said bulb. The bulb comprises a base with two connection wires for connecting the light engine. The light engine comprises two connection elements which are electrically and mechanically connected to the connection wires. The connection elements each comprise a gripping region for holding the light engine and a connecting region for connecting the light engine to the connection wires.

A light-emitting diode (LED) tube lamp comprising a tube, end caps with contact pins and located on both ends of the tube, a first rectifying circuit and a second rectifying circuit and a filtering circuit that are coupled with the contact pins on the two end caps respectively, and a switch circuitry that is located between the rectifying circuits and the filtering circuit characterized in that the switch circuitry is capable of detecting whether the LED tube lamp is correctly installed on a lamp socket so as to reduce the risk of electric shock.

A light-emitting diode (LED) tube lamp comprising a tube, end caps with contact pins and located on both ends of the tube, a first rectifying circuit and a second rectifying circuit and a filtering circuit that are coupled with the contact pins on the two end caps respectively, and a switch circuitry that is located between the rectifying circuits and the filtering circuit characterized in that the switch circuitry is capable of detecting whether the LED tube lamp is correctly installed on a lamp socket so as to reduce the risk of electric shock.

A lamp tube including a glass tube body having a cross-sectional geometry that is perpendicular to a length of the glass tube body with a substantially cylindrical perimeter defined by a sidewall of the glass tube body enclosing a hollow interior for housing a light source. The sidewall of the glass tube body that defines the substantially cylindrical perimeter including at least one pair of ridges on opposing sides of the substantially cylindrical perimeter. Each ridge of the at least one pair of the ridges includes an apex extending towards the hollow interior for the glass tube body.

A light source device includes a substrate, an upper electrode layer and a lower electrode layer both respectively disposed on two opposite surfaces of the substrate, a light emitting unit mounted on the upper electrode layer, a surrounding frame disposed on the substrate and surrounding the light emitting unit, a conductive unit disposed on the surrounding frame, a light permeable member disposed on the surrounding frame and covering the light emitting unit, and a detecting circuit formed on an outer surface of the light permeable member. The lower electrode layer includes two coplanar sub-layers. The light emitting unit is electrically coupled to one of the two sub-layers through the upper electrode layer. The detecting circuit includes two contacts connected to the conductive unit, and is electrically coupled to the second lower electrode sub-layer by the conductive unit electrically coupled to the other one of the two sub-layers.

A decorative light system including a decorative light assembly and a light fixture assembly is disclosed. The decorative light assembly includes a decorative design that may be customized as per the wishes of the user. Thereby allowing the user to express their creativity and personality. The decorative design may include lighting to illuminate the decorative design and the surrounding area. The decorative design includes a screw in power cord that is connected to an existing light socket of a light fixture. Depending upon the decorative design, the lighting illuminates the entire decorative design, an outline of the decorative design or select parts of the decorative design. Once connected, the decorative design is secured to the light fixture with fastening members. This then allows the user to decorate the lights around their home, both indoors and outdoors. The decorative light system allows for quick and easy beautification.

A retrofit light emitting diode (LED) lamp is provided for replacement of ballast driven fluorescent lamps. The retrofit LED lamp comprises a plurality of light emitting diodes. The plurality of light emitting diodes is mounted on a metal core printed circuit board (MCPCB). A PCB circuit is provided for driving the plurality of LEDs that further comprises a bridge rectifier made of a schottky diode.

The present invention belongs to the technical field of lighting devices, in particular to an LED filament lamp. The LED filament lamp comprises a transparent hood with an opening at the lower end, and a lamp cap connected to the transparent hood, and a light emitting source is arranged in the transparent hood. The LED filament lamp also comprises a support base; the support base is arranged in a space enclosed by the transparent hood and the lamp cap; the light emitting source is fixed on the support base, and the lower end of the light emitting source is connected with the lamp cap through a current limiting resistor. The light emitting source comprises a single strip-shaped substrate, and a plurality of LED wafers; the two ends of the strip-shaped substrate are conductive electrical connecting ends; the plurality of LED wafers are connected in turn and arranged on the strip-shaped substrate at an interval to form a strip-shaped LED wafer set; a rectifying unit electrically connected with the strip-shaped LED wafer set is arranged at each one of the two ends of the strip-shaped LED wafer set; and each one of the rectifying units is fixed on the strip-shaped substrate and is electrically connected with each corresponding one of the electrical connecting ends. The present invention provides an LED filament lamp which is conveniently assembled and can be directly connected with an alternating current.

A luminaire includes a receiving element for a rotationally symmetrical glass body with a receiving opening, a rotationally symmetrical glass body arranged in the receiving opening and an annular, permanently elastic element arranged between the receiving element and the glass body, wherein the receiving element is formed with a support surface which is inclined towards the glass body and the glass body is formed with a receiving surface diametrically opposite to the support surface. The permanently elastic element is positioned in the installed state between the support surface and the receiving surface in order to fix the receiving element and the glass body positively and concentrically to each other. An annular gap is provided between glass body and receiving element for introducing the annular, permanently elastic element between support surface and receiving surface. A method for fastening the glass body in the receiving element is provided.