Wavelength conversion of primary light by means of a conversion body, a conversion device and an illumination apparatus is described herein. In some aspects, a conversion body may include a main body containing a wavelength-converting phosphor. The main body may have an irradiation surface to be irradiated by primary light. The conversion body may further include at least one conduction tract mounted on the main body outside the irradiation surface. The at least one conduction track may be electrically conductive in accordance with some aspects.

Wavelength conversion of primary light by means of a conversion body, a conversion device and an illumination apparatus is described herein. In some aspects, a conversion body may include a main body containing a wavelength-converting phosphor. The main body may have an irradiation surface to be irradiated by primary light. The conversion body may further include at least one conduction tract mounted on the main body outside the irradiation surface. The at least one conduction track may be electrically conductive in accordance with some aspects.

An LED lamp comprises a lampshade, a base connected to the lampshade, a photoelectric module comprising a light source module and a power supply module disposed in an accommodating space formed between the lampshade and the base, the photoelectric module is detachably fixed to the base through a mounting portion.

A lighting apparatus includes a limit switch, a wiring box, a base holder and a light source module. The wiring box is for disposing the limit switch and for receiving a power wire connected to an external power. The base holder having a terminal connector electrically connected to the wiring box. The base holder has an opening for inserting a lever of the limit switch. The light source module is installed into the base holder. The light source module triggers the lever of the limit switch to turn on power supply to the light source module via the power wire and the terminal connector.

A dimmable tamper resistant nightlight may include a body comprising at least one light emitting diode (LED). Plug blades may extend from the body. A dimming switch may be coupled to the at last one LED, the dimming switch configured to move between a first position that activates about 50% luminosity of the at least one LED, a second position that deactivates about 100% luminosity of the at least one LED, and a third position that activates about 100% luminosity of the at least one LED. A housing may be coupled to the body, the housing comprising an access opening through which the dimming switch may be moved among the first position, the second position, and the third position. A housing may also comprise a locking element configured to prevent the dimmable tamper resistant nightlight from being removed from the electrical receptacle.

A dimmable tamper resistant nightlight may include a body comprising at least one light emitting diode (LED). Plug blades may extend from the body. A dimming switch may be coupled to the at last one LED, the dimming switch configured to move between a first position that activates about 50% luminosity of the at least one LED, a second position that deactivates about 100% luminosity of the at least one LED, and a third position that activates about 100% luminosity of the at least one LED. A housing may be coupled to the body, the housing comprising an access opening through which the dimming switch may be moved among the first position, the second position, and the third position. A housing may also comprise a locking element configured to prevent the dimmable tamper resistant nightlight from being removed from the electrical receptacle.

A light tower assembly configured to rotate a light section from a first to a second position. In various embodiments, the light tower assembly comprises (a) a primary boom extending vertically from a base, (b) a light array boom supporting a light section on a frame rotatively mounted to the primary boom wherein the light array boom rotates around an axis of rotation, (c) a mounting assembly rotatively mounting the light array boom to the primary boom, and (d) a linear actuator assembly connected to the primary boom and the light array boom being configured to rotate the light array boom in one direction when the linear actuator extends and configured to rotate the light array boom in an opposite direction when the linear actuator assembly retracts.

A light tower assembly configured to rotate a light section from a first to a second position. In various embodiments, the light tower assembly comprises (a) a primary boom extending vertically from a base, (b) a light array boom supporting a light section on a frame rotatively mounted to the primary boom wherein the light array boom rotates around an axis of rotation, (c) a mounting assembly rotatively mounting the light array boom to the primary boom, and (d) a linear actuator assembly connected to the primary boom and the light array boom being configured to rotate the light array boom in one direction when the linear actuator extends and configured to rotate the light array boom in an opposite direction when the linear actuator assembly retracts.

A horticultural lighting device for sustaining indoor plant growth, wherein said horticultural lighting device comprises lighting unit arranged for providing illumination in accordance with one of a plurality of modi, wherein, for each modus, said lighting unit is arranged for differentiating in different growth stages of a plant by illuminating in different electromagnetic spectrums, a power unit arranged for receiving an Alternating Current, AC, mains supply voltage and for providing power to said lighting unit, and a control unit arranged for detecting interruptions in said received AC mains supply voltage and for cycling through said plurality of modi for said lighting unit triggered by detected interruptions.

An LED tube is provided. Two ends of the LED tube respectively have two conductive pin assemblies electrically connected to the mains supply and a detecting control component in the LED tube and electrically connected to an electrical ballast. A voltage conversion device perform an AC-DC voltage conversion. A recognizable electrical ballast detects a voltage state of the voltage conversion device to recognize a voltage impedance complying with the electrical ballast or the mains supply, thereby generating a feedback signal. A signal receiving module of the voltage impedance signal-recognizing device obtains the feedback signal, and the signal executing module of the voltage impedance signal-recognizing device generates a DC starting voltage complying with the electrical ballast or the mains supply. The DC starting voltage is filtered by the DC filtering module, and an outputted current magnitude of the DC starting voltage is adjusted by the buck-boost constant current module.