Methods, apparatus and computer-readable media for controlling a lighting unit are disclosed herein. In some embodiments, a controller may be operably coupled with one or more light sensors. The controller may, in some embodiments, be configured to receive, from the one or more light sensors, one or more signals indicative of light detected by the one or more light sensors. The controller may facilitate transition of one or more light sources of a lighting unit between first and second lighting states responsive to a determination, based on the one or more signals, that a change in a property of the light detected by the one or more light sensors satisfies a predetermined criterion, such as a threshold rate of change of the property of the detected light.

A converter circuit arrangement is provided, including a converter switch controller, a converter switch, a load circuit interface and an inductor. The converter switch controller may include a control input. The converter switch may be coupled between a first power supply potential and the control input. The inductor may be coupled between a second power supply potential and the load circuit interface. The load circuit interface may be coupled between the control input and the inductor.

An illumination apparatus for a vehicle storage cavity is disclosed. The apparatus comprises a circuit disposed proximate to and extending significantly along an opening of the cavity. At least one proximity sensor and a plurality of LEDs suspended in a semiconductor ink are printed on the circuit. The circuit is configured to activate an emission from the LEDs in response to the proximity sensor detecting an object entering the storage cavity.

Product display systems are provided. The product display systems may include a product display assembly and one or more products positioned in proximity to the product display assembly. The product display assembly may include a solar cell configured to receive light and output electrical current and a wireless power transmitter configured to receive the electrical current. The product may include a wireless power receiver that cooperates with the wireless power transmitter to produce current that powers an output mechanism. The output mechanism outputs a perceptible effect such as light or sound to attract consumer attention. A related method is also provided.

A smart home-care lighting system includes a lighting device having a portion that is light transmittable. The lighting device receives therein an illumination module for purpose of illumination, a detection module for detecting an outside environment, an alarm module and a sound effect module operable in combination with the detection module for indication and alarming, and an image pickup module for capturing and recording images. The lighting device also includes, arranged therein, a microprocessor and a main control module for transmitting and storing personal habits and health information. The device is arranged such that image can be captured in ranges that does not overlap to provide a surveillance range of 360-degree full view and operation can be made with the main control module for determination for proper action to be taken and may be used in combination with household appliances to construct a smart home-care system that benefit home members.

A method and a device for the reduction of margins of the light image of a headline, and the headline incorporating the device, is provided, having a reflective diaphragm which is adapted to be shifted in a light axis direction within adjustment limits of a longitudinal position. The margins of the light image can be detected by an optical colour-sensitive photometric sensor, and colour characteristics of the light image margins can be evaluated by identifying a current position of the reflective diaphragm. The reflective diaphragm can then be fixed in the longitudinal position corresponding to selected colour characteristics of the light image margins. The reflective diaphragm can also be adapted to be shifted in a direction perpendicular to the light axis direction.

A scalable lighting control system comprising a plurality of room lighting control systems each comprising a load controller electrically connected to a lighting load and one or more in-room devices, such as lighting control devices, occupancy sensors, and light sensors. Each in-room device is configured for transmitting room control messages to the load controller over a room wireless network. The scalable lighting control system further comprises a plurality of network bridges each configured for removably coupling to at least one load controller of a room lighting control system to connect the room lighting control system to a centralized wireless network. Each network bridge is configured for receiving centralized control messages over the centralized wireless network and transmitting the centralized control messages to the connected load controller. The load controller is configured for controlling the electrically connected lighting load in response to the room control messages and the centralized control messages.

A modular LED grow light system is provided that includes one or more LED grow light modules. Each of the LED grow light modules includes one or more connecting ports and an LED. The one or more connecting ports are configured to connect to another LED grow light module. A power source is connected to one of the connecting ports of the one or more LED grow light modules. The LEDs of the one or more LED grow light modules provide light to a portion of a plant.

A flicker-free dimming circuit for non-point light source has a TRIAC module, an input module, a conversion module and an output module. The TRIAC module adjusts the voltage phase of an external power supply for the input module to export an input voltage, and the conversion module in a boost circuit structure is provided with a conversion coil and a converter to receive and raise the voltage value of the input voltage to a voltage value of an operating voltage and then supplies the operating voltage to the output module. The output module adopts a fly-back circuit structure and induces the operating voltage to form a driving voltage in a constant value and then outputs the driving voltage to a lamp with a relatively wide light source area. In this way, the panel lamp can meet high safety standards and enhance its product adaptability and competiveness.

Systems, and methods are described herein for identifying and/or controlling influence and/or potential influence of one or more signals on one or more properties of light emitted by one or more lighting units (100). In various embodiments, one or more signals may be identified that influence, or potentially influence, a manner in which a lighting unit controller (110) controls one or more properties of light to be emitted by a lighting unit (100). In some embodiments, a user instruction may be received to alter the manner in which the one or more signals influence how the lighting unit controller (110) controls the one or more properties of light emitted by the lighting unit (100) may be received. The lighting unit controller (110) may control a manner in which light output of the lighting unit (100) is influenced by the one or more signals in accordance with the user instruction.