A lighting device includes a housing that supports a flexible light assembly and can be operated in multiple configurations. The housing includes a cup-shaped opaque stator and light transmissive rotor that rotates relative to the stator. The rotor includes a spool upon which the flexible light assembly can be wound. The light source is configurable between a retracted configuration in which the flexible light assembly resides in the housing and light emitted by the flexible light assembly is transmitted through the rotor, and an extended configuration in which a portion of the flexible light assembly resides outside the housing. In the extended configuration, a portion of light emitted from the flexible light assembly is transmitted through the rotor and another portion of light emitted from the flexible light assembly originates outside the housing.

A luminaire includes a housing having an outer wall and a mounting wall configured to be secured to a structure. The housing further includes a compartment defined at least partially between the outer wall and the mounting wall. The compartment is configured to support a plurality of control devices. A support is coupled to the housing and supports a light emitter assembly. The support includes a plurality of fins in thermal communication with the light emitter assembly. A wall is positioned between the compartment and the plurality of fins.

A method of lamp assembly that etching a glass tube body to increase a texture of the surface of the sidewall of the glass tube body, the sidewall of the glass tube body enclosing a hollow interior; and positioning a circuit board including a plurality of light emitting diodes (LEDs) within the hollow interior of the glass tube, wherein the increase in the texture of the surface increases the light diffusivity of the glass tube body.

The invention provides a light generating device (1000) comprising (i) a tubular enclosure (100) and (ii) a plurality of light sources (200) configured to generate light source light (201) configured within the tubular enclosure (100), wherein the light sources (200) comprise solid state light sources, wherein the enclosure (100) comprises an enclosure material (300) that is transmissive for at least part of the light source light (201), wherein the enclosure material (300) comprises polymeric foam material (310), wherein the polymeric foam material (310) has a volume fraction of gas voids (320) relative to the total volume of the polymeric foam material (310) including the gas voids (320) selected from the range of 10-95 vol. %, wherein the tubular enclosure (100) has a tube length (L1) of at least 400 mm and a wall thickness (w1) selected from the range of 0.5-6 mm.

An LED panel light includes a flexible base film, a plurality of circuits arranged on the flexible base film and a plurality of LED lamp beads arranged on the flexible base film, each circuit is connected with at least one LED lamp bead and is provided with at least two mutually parallel conductive wires. The conductive wire consists of a plurality of secondary conductive wires, and a plurality of the secondary conductive wires form a mesh. A method of making a LED panel light includes the following specific steps: S1: providing a flexible base film; S2: manufacturing a plurality of mesh-type conductive wires on the flexible base film by using a mould with circuit patterns of LED panel light; conductive wires forming a circuit, and a plurality of the circuits forming an LED panel light circuit; S3: connecting LED lamp beads with the conductive wires in the circuits.

A light-emitting device includes an ultraviolet light LED sealed in a package. The LED is bonded to a substrate with an alloy bonding material. The LED is covered with an enclosed gas containing oxygen gas and further covered with a lid member that is hermetically bonded to the substrate. The lid member defines a space filled with the enclosed gas and constitutes the package. The lid member transmits the ultraviolet light emitted from the LED.

A head lamp module for a motor vehicle is provided, and includes one single printed circuit board, a first group of light sources, a second group of light sources, a lens and an optical device. The first group of light sources and the second group of light sources are both arranged on the printed circuit board. The first group of light sources and the second group of light sources emit light to the optical device. The optical device is adapted to guide the emitted light in a direction towards the lens. The light leaves the head lamp module through the lens.

Lighting device for a motor vehicle including a light source and/or an optical part. A substrate including electrical tracks, the light source and/or optical part being fastened to the substrate, and a part forming an electrical ground for the electrical tracks. The substrate includes a cut-out forming a tab, electrical tracks of the substrate extending onto the tab, at least one of the tracks on the tab making electrical contact with the ground-forming part.

A tube lamp including a light source including at least one string of light emitting diodes within a tube body; end caps having pin contacts on each end of the tube body; and driver electronics including a filament detector portion provided by a passive resistance capacitor (RC) circuit that simulates the filament load of a fluorescent lamp when installed into a ballast containing fixture. The tube lamp may also include a switch for selecting light characteristics for light emitted by the light source.

A reflector and a backlight having the same are provided. The reflector is provided with a special-shaped assembly hole. The special-shaped assembly hole includes a first included angle and a second included angle opposite to each other. Two sides forming the first included angle are respectively a first upper side and a second upper side, and two sides forming the second included angle are respectively a first lower side and a second lower side. The special-shaped assembly hole further includes a first arc-shaped side and a second arc-shaped side opposite to each other. The special-shaped assembly hole further includes a first limiting side, a second limiting side, a third limiting side, and a fourth limiting side.