A lighting unit includes an extruded container body; a plurality of first light sources and a plurality of second light sources, arranged in the container body on at least one printed circuit board; a power supply for the light sources; diffusion optics for diffusing light emitted by the first light sources; and concentrating optics for concentrating light emitted by the second sources.

A light emitting diode (LED) lighting arrangement for a lighting fixture includes: a lighting strip comprising a plurality of light emitting diodes (LEDs) arranged along a length of the lighting strip; a first multi-faceted side wall reflector extending from a first side of the lighting strip at an angle such that the first multi-faceted side wall reflector extends along an entire length of the lighting strip and away from a bottom portion of a light emitting portion of each of the light emitting diodes (LEDs); and a second multi-faceted side wall reflector extending from a second, opposite side of the lighting strip at an angle such that the second multi-faceted side wall reflector extends along an entire length of the lighting strip away from the bottom portion of the light emitting portion of each of the light emitting diodes (LEDs). The first and second multi-faceted side wall reflectors cause light produced by the plurality of light emitting diodes (LEDs) to be amplified and formed into a uniform beam.

According to an example aspect of the present invention, there is provided a heat sink (100) with an elongated inner core (110) and an elongated outer profile (120). The profile (120) forms a cross-sectional periphery and is provided around and at a distance from the core (110) such that an intermediate volume (160) is formed between the core (110) and the profile (120). The heat sink (100) also has abridge (130) connecting the profile (120) to the core (110). The profile (120) has at least one opening (140) exposing the intermediate volume (160) to the ambient. The at least one opening (140) extends in a direction which is non-parallel to the dimension of elongation of the inner core (110).

A light emitting device includes: a base member including a mounting surface, a first light-emitting element that is disposed on the mounting surface and emits light passing along a first optical axis, a second light-emitting element that is disposed on the mounting surface and emits light passing along a second optical axis, a third light-emitting element that is disposed on the mounting surface and emits light passing along a third optical axis, and one or more light reflective members including a first light reflective surface that includes a first position to be irradiated with the light passing along the first optical axis, a second light reflective surface that includes a second position to be irradiated with the light passing along the second optical axis and, and a third light reflective surface that includes a third position to be irradiated with the light passing along the third optical axis.

A method for performing self-diagnosis in a light fixture. The method includes receiving data corresponding to a plurality of environmental conditions from one or more sensors. The one or more sensors are positioned in a sensor cavity of a light fixture wherein a plurality of conduits provide a sealed path between a plurality of LED modules of the light fixture and the sensor cavity such that the LED modules, the conduits and the sensor cavity exhibit a plurality of environmental conditions. The method also includes analyzing the data to determine if at least one of the plurality of environmental conditions has undergone one or more of the following changes: a change so that a value of the at least one environmental condition exceeds a threshold level, a threshold change compared to a corresponding constant level, or a rate of change that is greater than a threshold value.

An improved LED lighting system is provided for overhead ceiling lighting, as well as for other uses. The LED lighting system comprises elongated linear lamps having an LED luminary as a source of illumination and configured to operate as a node of an automated networked lighting system. The linear LED lamps have internal modular network connectors and control components so that they can receive control data and power signals over a single network cable according to a standardized power and data network communications architecture such as Ethernet. The system includes connector assemblies designed to securely mount the networkable linear LED lamps to conventional tube lamp lighting fixtures or to another support housing and to provide integrated power and data connectivity to internal components of the lamps. In one form, the disclosed system includes a network enabled snap-fit connector assembly mounted to a lighting fixture and configured to provide Ethernet power and data connectivity to the lamp. The LED lamps have first and second mechanical connectors at opposite ends of the lamp body, and the snap-fit connectors are configured to secure the lamps to an overhead lighting fixture or other support structure as an incident of the lamp ends moving relative to the mounting connectors in a substantially straight path that is transverse to the length of the body into an engaged position. The snap-fit connectors are also configured to form a network connection with an internal modular network connector associated with the lamp with the lamp mounted in its operative state on a support. In another form, a clipping mechanism is provided for mounting linear networkable LED lamps to an overhead grid ceiling system.

An LED light fixture is provided that is usable as a new LED lighting installation or as a retrofit assembly for converting a florescent light fixture into an LED light system. A PCB of the LED light fixture has an M-by-N array of LED modules mounted thereon, where M and N are positive integers that are greater than or equal to 2. The PCB has a heat dissipation system thermally coupled to one of the terminals of each LED module such that heat generated by the LED modules flows directly into the heat dissipation system, which maintains the operating case temperatures of the LED modules at or around ambient temperature, thereby increasing the life expectancies of the LED modules. The M-by-N array of LED modules provides very uniform light distribution without having to overdrive the LED modules, which also increases the life expectancies of the LED modules and conserves power.

Disclosed embodiments relate to a combination axial fan, LED lighting system and electric blue killer. The disclosed systems may include a housing forming an air chamber and an axial fan. The fan may include a fan cavity having an air diversion mechanism to direct air from the fan cavity toward the lighting, fan and electric bug killing components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. The LED light fixture emits a blue or light blue light which attracts bugs. Moreover, disclosed embodiments include one or more electric bug killing devices to kill any bugs as air flows through the air chamber. The present invention may also include grow light fixture in the housing.

A light emitting diode (LED) device is provided including an LED, a transparent cover configured for retaining a color filter, and a first color filter configured to be retained by the transparent cover. The color filter, when retained by the transparent cover, is functionally disposed in front of the LED such that light leaving the lighting assembly passes through the color filter.

The present application provides a flying firefly lamp linearly distributed, which includes at least one imitated firefly unit and a power cord; the power cord includes a positive power cord and a negative power cord, and the at least one imitated firefly unit is sequentially connected in parallel between the positive power cord and the negative power cord; the imitated firefly unit includes a PCB board (101), the PCB board is provided with an attitude control chip and a plurality of LED lights arranged in an arrangement, after the attitude control chip is energized by the power cord, the attitude control chip controls the plurality of LED lights to flash in sequence according to a preset flying mode.