Abstract: A harmonically corrected driver board architecture of electronically communicating circuits may comprise a driver board regulation circuit, a harmonic correction and light emitting diode (HCLED) driver circuit, a LED driver ballast circuit, and a flash interface circuit, wherein the flash interface circuit is configured to generate an op-amp shutdown signal to the HCLED driver circuit.

Abstract: A lighting unit for illuminating a habitat is provided. The lighting unit includes a housing and a light emitter. The operating parameters of the lighting unit may be adjusted to mimic different natural conditions.

Abstract: LED tape is provided that employs a plurality of surface-mounted contact terminals. The LED tape can be severed at discrete locations adjacent to the contact terminal to create a tape segment configured to interconnect to a power source or to another tape segment by way of a wire selectively received and secured within corresponding terminal connectors. The use of the connecting wire omits the need for a mechanical connector or integration by soldering currently required to interconnect LED tape segments.

Abstract: A control device controls a plurality of light emitting devices, and includes: a controller that: collects device information from the light emitting devices that are repeatedly turned on and off in a lighting pattern, wherein a turn-on period and a turn-off period are defined within a cycle in the lighting pattern; determines an arrangement order of the light emitting devices based on the device information; calculates a start time at which each of the light emitting devices starts repetition of the lighting pattern using the arrangement order; and transmits lighting information including the start time to each of the light emitting devices and causes each of the light emitting devices to start the repetition of the lighting pattern.

Abstract: A security light having optional and prioritized connection to multiple power supplies. The lighting controller can sense the appropriate connected supply and automatically connect to three different power supplies which include house voltage connection through a typical junction box, a remote solar charging station, and on board batteries that can be used as a third backup power supply. Additional implementations include prioritizing the connection to the plurality of electrical supplies and selecting one of the electrical supplies based upon a stored connection priority list or associated circuitry as well as including associated lighting characteristics for the prioritized selection.

Abstract: An electronic assembly with multi-channel outputs may include a controller and a driver. The controller may be configured to gate m channels of outputs thereof. The driver may be configured to provide n channels of modulated signal to the controller via n wires. The n is less than m. A lighting device using the electronic assembly may further include a plurality of lighting units. The driver may include a wireless communication module to receive control signal, and the driver is configured to modulate the input DC signal based on the control signal. The n wires may be aligned along a width direction of the substrate at the end of the substrate.

Abstract: A load regulation device for controlling the amount of power delivered to an electrical load may be able to calibrate the magnitude of an output voltage of the load regulation device in order to control the magnitude of a load voltage across the electrical load to a predetermined level. The load regulation device may receive the feedback from a calibration device adapted to be coupled to load wiring near the electrical load. The feedback may indicate when the magnitude of the load voltage across the electrical load has reached a predetermined level. The load regulation device may gradually adjust the magnitude of the output voltage, receive the feedback from the calibration device, and then use the feedback to determine the magnitude of the output voltage corresponding to when the magnitude of the load voltage across the electrical load has reached the predetermined level.

Abstract: A lighting device according to an embodiment of the present invention comprises: a light source unit; a first communication unit for receiving library data from a mobile terminal; a storage unit for storing the library data; a second communication unit for receiving a control message indicating an execution command of a library corresponding to the library data from a control device; and a processor for controlling the light source unit such that the library is executed according to the control message, wherein the processor can control operation timing of the light source unit by sequentially receiving the control message at least a predetermined number of times at the initiation of the execution of the library.

Abstract: An LED drive circuit can include: a transistor and an LED load coupled in series, and being configured to receive a direct current bus voltage, and to generate an input current; and a control circuit configured to generate a drive signal to control an operation state of the transistor to control a distribution range of the input current by controlling an amount of accumulated charge of the input current during a half power frequency period.

Abstract: The invention is a smart light bulb device with a control system that is screwed into an existing light bulb socket. The smart light bulb device is powered via a light switch from a building's electrical system and is controlled by the control system that adjusts light output. The smart light bulb device also includes a processor, non-transitory memory for data storage, at least one input device, a network device, a wireless transmitter and receiver, and an antenna. In some embodiments, the input device is a motion sensor that turns on the light based on motion. In another embodiment, toggling the light switch on or off sends a signal to the controller to turn on or off the light or may also select a lighting scene based on the number of toggles. Individual smart bulbs and a network of multiple smart light bulb devices may be controlled by a mobile device.

Abstract: A multiple light controlling system where a primary control pod receives a lighting schedule wirelessly and re-communicates the lighting schedule to a plurality of slaved secondary control pods via power line communication. Each of the control pods may in turn control several lights in a growing zone. Each zone may have its own lighting schedule to promote optimal plant development. Each of the control pods may also gather environmental or operational information and return that information to the primary control pod and ultimately to a remote computing device.

Abstract: The disclosed technology relates to a hard and soft light module having a housing with a first surface that accommodates a lens. A first plurality of LEDs are disposed along a periphery of the first surface, the first plurality of LEDs are configured to generate light in a first direction toward an edge of the lens. A second plurality of LEDs are disposed proximate to the first surface, the second plurality of LEDs are configured to generate light in a second direction through the lens. The first plurality of LEDs are configured to generate a soft light and the second plurality of LEDs are configured to generate a hard light.

Abstract: An apparatus can include: a linear drive circuit configured to control a drive current flowing through an LED load; a control circuit configured to acquire a conduction angle signal of a silicon-controlled rectifier dimmer and control the linear drive circuit; and the control circuit being configured to control the drive current to be decreased to reduce a current ripple and to maintain the silicon-controlled rectifier dimmer in a turn-on state when the conduction angle signal is less than a predetermined value.

Abstract: An apparatus can include: a light-emitting diode (LED) drive circuit having a silicon-controlled rectifier dimmer; and a bus voltage adjustment circuit configured to adjust a direct current bus voltage to delay a turn-on time instant of the silicon-controlled rectifier dimmer when a conduction angle signal is greater than an angle threshold.

Abstract: A remote control device for controlling lighting devices may be configured to detect an excessive user interaction (e.g., a continued user interaction) and reduce a number of command messages that are being transmitted to prevent the lighting devices from producing undesirable visual effects. The remote control device may comprise a user interface (e.g., that may include a rotation portion, such as a rotary knob) and a processor configured to receive an indication of a user interaction via the user interface. The processor may periodically transmit command messages at a transmission frequency in response to a continued user interaction, where each of the command messages comprise a respective command for adjusting to a respective lighting level. The processor may also start a usage timer in response to receiving the indication of the user interaction, and decrease the transmission frequency in response to the usage timer exceeding a usage threshold.

Abstract: The present disclosure discloses a lighting device for plant growth, comprising: a lamp, a lifting mechanism, at least two sensing mechanisms and a control mechanism. A light-emitting module is disposed on the bottom surface of the lamp and two ends of the lifting mechanism are coupled to the top surface of the lamp and the control mechanism respectively. Each sensing mechanisms is disposed at the bottom of the lamp. The control mechanism comprises a timing module. When the sensing mechanisms operate that form a signal sensing path and sense a plant to generate a sensing signal, the control mechanism may drive the lifting mechanism according to the sensing signal to control the longitudinal displacement of the lamp. Through the automatic detection and position lifting function, it is possible to provide suitable light sources for plants at different growth stages.

Abstract: Methods and apparatus for assigning a role to a new lighting node in a lighting system based on a received signal strength indicator (“RSSI”) fingerprint of the new lighting node. For example, methods and apparatus described herein are directed to determining RSSI fingerprints for each lighting node in a lighting system, matching one of the RSSI fingerprints to the RSSI fingerprint of a new lighting node, and assigning a role to the new 5 lighting node. The assigned role is the same role as previously assigned to the matching lighting node.

Abstract: Color tunable lighting systems and methods are disclosed. The color tunable lighting systems and methods include user interfaces that allow for the control of color temperature and luminous intensity by a user. The systems and methods provide for flexibility and scalability, where a control module for controlling one or more solid state light source arrays can be programmed during installation for use with specific solid state light source arrays.

Abstract: A biological lighting system to provide temporally- and spatially-modulated photon flux output and spectral power distributions to plants on a circadian and circannual basis, or circadian and life cycle basis, to maximize effective and efficient growth in a horticultural setting. The photon flux or irradiance output and the spectral power distribution are modulated to match circadian and circannual rhythms, with individual or multiple luminaires controlled through one or more controllers. Different lighting spectra can be employed depending on the direction of illumination. The photon flux or irradiance output and the spectral power distribution may be set as best suited for any particular plant species, and the system is also useful for raising animals.

Abstract: A dimmable light tube with anti-electric shock protection function includes two conductive pin assemblies, a bridge rectifier, an anti-electric shock detection control circuit, and a buck-boost constant current module. The bridge rectifier is connected to the conductive pin assemblies. The anti-electric shock detection control circuit is connected to the bridge rectifier, and the anti-electric shock detection control circuit has an output end and a resistor. The input end of the buck-boost constant current module is connected to the output end and the driving module is connected to the resistor so as to perform the leakage control function. The current conduction angle of the current generated by the transmission of the anti-electric shock detection control circuit can be changed by the buck-boost constant current module, so that the dimming function can be provided.