An indicator module includes first electrodes disposed on a first support surface, each of the first electrodes having a flexible portion having a sloped section forming an oblique angle with the first support surface, a second electrodes disposed on a second support surface spaced apart from the first support surface along a longitudinal direction, a set of conductors elongated substantially in the longitudinal direction, each of the first electrodes being electrically connected to the a respective one of the second electrodes via a respective one of the conductors, and an indicator circuit, such as a set of LEDs, electrically connected to one or more of the conductors and adapted to generate a human perceptible signal when the indicator circuit receives electrical power from the one or more of the conductors.

An excimer bulb assembly including an excimer bulb and a pass filter such that the excimer bulb assembly does not emit substantial UV radiation in wavelengths longer than 231 nm, 232 nm, 233 nm, 234 nm or 235 nm. The wavelengths are measured at an incident angle of zero (0) degrees to the filter plane. The pass filter is preferably constructed of a plurality of layers of hafnium oxide, and most preferably constructed of less than seventy five (75)layers of hafnium oxide. The excimer bulb, pass filter, and two electrical connectors may be adapted to form a cartridge which may be adapted to swivel along its main axis. The cartridge may further include a smart chip. The smart chip may retain and store information regarding the assembly and preferably retains hours of use of the excimer bulb.

A light-emitting diode (LED) light string control system with carrier identification function includes a control module, a power capacitor, and an LED light string. The control module converts a DC voltage to carry signals on the DC voltage through a power switch according to a lighting command. The power capacitor performs a capacitive charge-discharge operation to the signals on the DC voltage to generate capacitive charge-discharge signals. The LED light string includes at least one LED module, and the at least one LED module identifies that a charge-discharge characteristic is a first logic, a second logic, or a latch indication, and to generate a drive command corresponding to the signals on the DC voltage according to one of the first logic, the second logic, and the latch identification to control lighting behavior of the LED light string.

A loudspeaker containing a sound-generating element and a grill mounted as a cover in front of the sound-generating element. The grill has optically transparent areas. At least one lighting element is mounted between the sound-generating element and the grill, the lighting element being visible from the outside through the optically transparent areas of the grill when illuminated.

A lighting lamp is provided. The lighting lamp includes a light module and a lens. The lens includes a lens body, provided with a first end and a second end which are opposite to each other and a side wall located between the first end and the second end, in which a light source of the lighting lamp is arranged at the first end, and at least a portion of the side wall is configured as a light emitting component. The lens also includes a light incident component, arranged at the first end of the lens body, in which the light incident component irradiates light emitted by the light source to the second end. The lens includes a light reflecting component, arranged at the second end of the lens body.

A lighting system for providing uniform bright lighting of products within in a glass door refrigerated cabinet. The lighting system has a frame member with an angled wing extending therefrom that wraps around a side edge of a light-transmitting optical shield, and a LED lighting strip positioned between the frame member and the optical shield. The LED lighting strip has a plurality of spaced-apart LED lights mounted therealong with a coined reflective facet optic mounted around each LED light. The angled wing(s) reflects light emitted laterally outwards from the at least one LED lighting strip such that the light can be re-directed to evenly illuminate products in a refrigerated cabinet. The angled wing(s) also protects a user's fingers from cracking the plastic optical shield which can become brittle in the cool or cold temperatures of the refrigerated cabinet.

Disclosed embodiments relate to a combination axial fan and LED lighting system configured to fit into the footprint of a standard ceiling tile. Disclosed embodiments further include ceiling tiles with a built-in fan and/or LED lighting. The disclosed systems may include a housing container and an axial fan. The fan has a fan cavity including air diversion mechanism to direct air from the fan cavity toward the lighting and fan components. The inventions include an airflow surface to direct air existing the fan cavity along an LED light fixture. Moreover, disclosed embodiments include one or more UV light sources which irradiate contaminants as air flows through the ceiling tile.

An LED exterior luminaire comprising light-emitting diodes (LEDs) with a circadian-adjustable light output mode for its medical safety comprises at least two switchable LED chip chains I and III, wherein chain I comprising at least one LED chip emitting orange light from a wavelength range of 580 nm to 610 nm and at least one LED chip emitting red light from a wavelength range of 610 nm to 700 nm, chain III comprising at least one blue LED chip overlaid with a luminophore emitting a continuous band spectrum of visible light from a wavelength range of 440 nm to 700 nm and a correlated color temperature CCT of 2200 to 4200 K, wherein chains I and III are each separately connected to a power source via a dimming ballast that regulates the proportion of input current to each chain separately.

Embodiments of the present invention include a lighting fixture(s), a computer program product and a computer-implemented method that include program code executed by a processor(s) that obtains a request to implement a specified lighting pattern in the lighting fixture(s). Each lighting fixture includes effect lighting communicatively coupled to the processor(s) and functional lighting (oriented to illuminate a surface below the lighting fixture) communicatively coupled to the processor(s). The program code identifies the specified lighting pattern in a memory communicatively coupled to the processor(s), which includes a sequence for illuminating a portion of the effect lighting elements. The processor(s) executes the specified lighting pattern in the lighting fixture(s).

The control system for a stage light fixture with photobiological safety includes a control unit connected to a motor assembly and a light source and configured to control the stage light fixture to operate, and a distance sensor connected to the control unit, and configured to acquire an instant distance from a living being to the stage light fixture. The control unit stores a light radiation hazard exposure radiance limit value and a light fixture irradiance value acquired in advance per unit of time and distance, and acquires a parameter of the living being entering an irradiation danger zone according to the instant distance, the light radiation hazard exposure radiance limit value, and the light fixture irradiance value. When a hazard condition reaches the parameter of the living being entering the irradiation danger zone, the control unit controls the stage light fixture to move to eliminate the hazard condition.