In a lightable fan structure for dissipating heat, a circuit board is arranged in a fan body, and the circuit board is sequentially provided with a first light-guiding frame and a second light-guiding frame, and the circuit board is provide with a plurality of side-light lighting elements. Every two side-light lighting elements is reversely arranged and spaced on a rim of the circuit board. A bottom of the first light-guiding frame is annually provided with a lighting reflection layer, and the side-light lighting elements are arranged below the lighting reflection layer. The lighting reflection layer reflects light sources of the side-light lighting elements to pass through an edge and a top of the first light-guiding frame and the second light-guiding frame, thereby uniformly scattering and forming a circular light source.

The invention relates to a LED electric bulb and a method of producing a LED electric bulb. The LED electric bulb comprises a glass bulb, a cap and a light generating module. The light generating module is at least partly received inside the glass bulb and is arranged in electrical contact with the cap. The light generating module comprises a driver PCB and a flexible, double folded strip forming two opposite legs comprising a plurality of LED's. The flexible, double folded strip is arranged to conform to and closely contact at least a portion of the interior surface of the glass bulb. The invention also relates to a semi-finished LED electric bulb and the use thereof for the production of a LED electric bulb.

A light source device includes a light source section that emits laser light, a reflection and diffusion member that diffuses and reflects the laser light emitted from the light source section, and a cooler that cools the reflection and diffusion member. The cooler includes at least one of an axial fan, an electronic cooling element, and a heat pipe.

A lighting device including: a light emitting module; a heat sink which is disposed on the light emitting module; a heat sink fan which is disposed over the heat sink; an upper case which covers the heat sink fan and the heat sink; and a lower case which is coupled to the upper case and fixes the light emitting module. A first air inlet is disposed in the lower case. A second air inlet is disposed in the upper case.

An LED lamp unit, comprising a light-emitting body having a hollow tube shape, a translucent cover and end caps. LED light-emitting elements are fixed on the light-emitting body and/or the translucent cover. The centers of the end caps are provided with opening holes, and at least one end of the light-emitting body is provided with an electrical connection component connected to the LED light-emitting elements, the electrical connection component extending out of the end cap, the end cap of the end provided with the electrical connection component being provided with an outwardly extending circumferential surface, ventilation holes being provided on the circumferential surface. The LED lamp unit has a simple structure, implements 360 degree omnidirectional illumination, and has a large light-emitting angle and high light-emitting efficiency. The LED lamp unit is provided with a heat dissipation channel in communication with the outside air, heat dissipation performance is good, and the service life of the LED lamp unit is increased.

Some features of the invention include a LED luminaire, including a chassis having a chassis body, the chassis body having an inner perimeter and an outer perimeter. At least one LED lighting module is mounted on the chassis body. A LED power supply assembly includes at least one LED power supply unit for the at least one LED lighting module. The LED luminaire further includes at least one inner perimeter vent interposed between the chassis body and the LED power supply assembly to thermally separate the chassis body from the LED power supply assembly. Outer perimeter vents may be located along the outer perimeter. The inner and outer perimeter vents promote the natural flow of air around and through the LED luminaire to remove heat generated by the at least one LED lighting module and/or LED power supply assembly. In certain features, the LED power supply assembly includes top and bottom vent covers, and the at least one LED power supply unit is located between the top and bottom vent covers. The top and bottom vent covers are vented to promote the natural flow of air through the LED power supply assembly, further removing heat generated by the at least LED one power supply unit. Yet other features include a shaped optic covering the at least one LED lighting module and that further promotes the natural flow of air around and through the LED luminaire.

The invention relates to a cooling device (10) for at least one light source (110) located in a lighting system (100) and having a cooling body (20), which comprises at least one contact surface (22) for absorbing heat from the at least one light source (110) and at least one cooling element (24) for emitting the absorbed heat, characterized in that the cooling body (20) has a mechanical interface (26) which is designed for an optional arrangement of counter-interfaces (66) of at least two different optical components (50).

Illumination panel comprises: (1) a receiver substrate assembly including: (a) a rigid sheet of light transmissive material having a first surface, a second surface opposite the first surface, and a conductor pattern attached to the first surface; and (b) at least one receiver assembly affixed to the rigid sheet, each receiver assembly including a light source in electrical communication with the conductor pattern; and (2) at least one light-guide optic attached to and supported by the receiver substrate assembly, each light-guide optic in optical communication with the photovoltaic cell of an associated one of the at least one receiver assembly for guiding light for output via the rigid sheet.

Provided is a fluorescent wheel for a projector capable of suppressing the heating of the phosphor layer and a light emitting device for a projector using the same. The fluorescent wheel for a projector includes: a phosphor layer (12); an annular ceramic substrate (11) which includes a first principal surface provided with the phosphor layer (12) and a second principal surface located on an opposite side to the first principal surface and has a higher thermal conductivity than the phosphor layer (12); and a reflective layer (13) provided on the second principal surface of the ceramic substrate (11).

A modular light fixture includes an elongate light fixture base having a longitudinal axis and a plurality of light fixture modules. Each light fixture module includes a housing having an open face, and a light emitting device positioned inside the housing. The modular light fixture also includes a light emitting device driver configured for driving the light emitting devices. The light fixture modules are independently mounted to the light fixture base and extend perpendicularly from opposing sides of the light fixture base with the open faces facing a common direction to produce an initial light distribution pattern. Each light fixture module has a housing adjustment feature for independently pivoting the light fixture module about a pivot axis parallel to the longitudinal axis to modify the initial light distribution pattern. The modular light fixture includes a planar configuration in which the light fixture module housings are oriented along a common plane.