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 modular light assembly having a control housing surrounding a power driver and at least one modular component. The modular component includes two side portions, a plurality of ribs extending between the two side portions to form a grated portion, and a flat portion configured to receive a COB LED. The lighting assembly may also comprise a video assembly having a camera and control circuitry provided within the lighting and video assembly for remotely controlling the camera.

A light emitting diode (LED) tube lamp comprises: a lamp tube; a rectifying circuit, configured to rectify an input external driving signal; a filtering circuit, configured to produce a filtered signal; a driving circuit and an LED module, the driving circuit configured to receive the filtered signal in a first driving mode for driving the LED module; a mode switching circuit, configured to receive the filtered signal in a second driving mode for driving the LED module; and an auxiliary power module configured to provide auxiliary power for the LED module to emit light, wherein the mode switching circuit is on a printed circuit board and is electrically connected to the LED module on a bendable circuit sheet in the LED tube lamp, and the bendable circuit sheet is disposed below the printed circuit board to be electrically connected to the printed circuit board by soldering.

A hazardous location light source module includes a metal base carrier having a light-module support surface on its upper side and a mounting stem on its lower side. The light-module support surface supports a light-module substrate mounting one or more light-emitting devices. The mounting stem is configured for mounting the light source module to a modular hazardous location light source assembly. A wiring port extending through the mounting stem to the base carrier upper side receives electrical wiring that connects electrically to the light-emitting device(s). A main-lens support surface on the base carrier upper side supports a light-transmitting main lens that comprises chemically strengthened glass and has a maximum dimension to maximum thickness ratio of not less than approximately 40:1. The main lens is permanently secured to the base carrier by virtue of a base carrier periphery being deformed into a lip that folds over to capture the main lens.

A lighting device (1) is disclosed. The lighting device (1) comprises: a communication unit (10) for wireless communication between the lighting device (1) and an external device; a solid-state lighting element (3) electrically connected to the communication unit (10); a heat sink (5) in thermal contact with the solid-state lighting element (3), the heat sink (5) having a slot (5a) adapted to act as a slot antenna; and a feed antenna (11) electrically connected to the communication unit (10), the feed antenna (11) having at least one end tip arranged at the slot (5 a) so as to enable the feed antenna (11) and the slot (5a) to communicate by proximity coupling.

An LED light bulb, comprising: a bulb shell; a bulb base connected with the bulb shell to defining a cavity inside the bulb shell, the cavity is filled with air selected from the group consisting of helium and hydrogen, the volume ratio of hydrogen to the overall volume of the cavity is from 5% to 50%; and an LED filament with a plurality of LED chips electrically connected to each other disposed in the bulb shell, at least two conductive supports, disposed in the bulb shell, a driving circuit, electrically connected with the two conductive supports and the bulb base, a stem disposed in the bulb shell, the LED filament is connected with the stem through the conductive supports, and a plurality of supporting arms, connected with and supporting the LED filament.

A LED light bulb, consisting of: a bulb shell; a bulb base connected with the bulb shell; a driving circuit disposed in the bulb base; two conductive supports installed in the bulb shell and electrically connected to the driving circuit; a stem disposed in the bulb base; an LED filament module installed in the bulb shell and connected with the stem through the conductive support; at least one supporting arm comprising a hook end and a fixed end, the hook end extends radially from the stand for connecting with one of the connecting portions, and the fixed end is embedded into the stand.

A lampshade including a frame and an optical function plate is provided. The frame includes an assembly portion. The optical function plate is detachably disposed to the frame through the assembly portion. Furthermore, a lamp including the above-mentioned lampshade is also provided.

An LED tube lamp includes a lamp tube, two end caps, an LED light strip, a power supply, and a reflective film. At least a portion of an inner surface of the lamp tube is formed with a rough surface, and the roughness of the rough surface is higher than that of the outer surface. Each of the two end caps is coupled to a respective end of the lamp tube by a gel. The LED light strip is disposed on an inner surface of the lamp tube with a plurality of LED light sources mounted on the LED light strip. The power supply is disposed at one or two of the end caps. The power supply is electrically connected to the plurality of LED light sources. The reflective film is disposed on the inner surface of the lamp tube.

A mode switching circuit is configured to change a signal path in a light-emitting diode (LED) tube lamp and comprises: at least one switch, configured to receive a filtered signal as a driving signal to drive an LED module in the LED tube lamp to emit light, and when a frequency of an external driving signal received by the LED tube lamp is higher than a mode switching frequency, output the driving signal to the LED module. The LED tube lamp comprises an auxiliary power module coupled to provide auxiliary power for the LED module to emit light; and the mode switching circuit is on a printed circuit board and is electrically connected to the LED module on a bendable circuit sheet in the LED tube lamp, wherein the bendable circuit sheet is disposed below the printed circuit board to be electrically connected to the printed circuit board by soldering.