An apparatus is provided for creating functional lighting groups. The apparatus includes one or more wireless devices and a commissioning device. The one or more wireless devices are coupled together via a line voltage, and are configured to enter a grouping mode responsive to commands sent over a wireless network, and are configured to send messages over the wireless network indicating that they have been power cycled via the line voltage. The commissioning device is coupled to the one or more wireless devices over the wireless network, and is configured to send the commands, and is configured to receive the messages, and is configured to create a functional lighting group comprising the one or more wireless devices.

A light emitting diode (LED) tube lamp configured to receive an external driving signal includes an LED module for emitting light, the LED module comprising an LED unit comprising an LED; a rectifying circuit for rectifying the external driving signal to produce a rectified signal, the rectifying circuit having a first output terminal and a second output terminal for outputting the rectified signal; a filtering circuit connected to the LED module, and configured to provide a filtered signal for the LED unit; and a protection circuit for providing protection for the LED tube lamp. The protection circuit includes a voltage divider comprising two elements connected in series between the first and second output terminals of the rectifying circuit, for producing a signal at a connection node between the two elements; and a control circuit coupled to the connection node between the two elements, for receiving, and detecting a state of, the signal at the connection node. The control circuit includes or is coupled to a switching circuit coupled to the rectifying circuit, and the switching circuit is configured to be triggered on or off by the detected state, upon the external driving signal being input to the LED tube lamp, to allow discontinuous current to flow through the LED unit.

A system of monitoring and/or maintaining remotely located autonomously powered lights, security systems, parking meters, and the like is operable to receive data signals from a number of the devices, and provide a comparison with other similar devices in the same geographic region to detect a default condition of a particular device, and/or assess whether the defect is environmental or particular to the specific device itself. The system includes memory for storing operating parameters and data, and outputs modified control commands to the devices in response to sensed performance, past performance and/or self-learning algorithms. The system operates to provide for the monitoring and/or control of individual device operating parameters on an individual or regional basis, over preset periods.

Disclosed is a lighting apparatus using an LED as a light source. The lighting apparatus may connect first and second lighting units in series or parallel according to a rectified voltage, change one or more of first and second driving currents corresponding to light emissions of the first and second lighting units, and have the universality for rectified voltages.

An advanced lighting control system including systems for commissioning a network of lighting fixtures preferably includes a plurality of lighting fixtures, each having a sensor and control module. The sensor and control module includes occupancy and light sensing elements, and a first transceiver. The lighting fixtures can send wireless signals to a second transceiver located in a room controller and/or a network coordinator. The room controller being configured to interpret the occupancy and light sensing information and make decisions thereon, while the network coordinator can rank the lighting fixtures according to a determined signal strength. The network coordinator can command each of the lighting fixtures to illuminate, and based on an observation of the lighting fixture, a determination is made about whether the lighting fixture is located in a particular room. The network coordinator can also include a third transceiver for receiving wireless commands from a remote device.

A light-emitting diode (LED) tube lamp adapted to install on a lamp socket and configured to receive an external driving signal without the external driving signal passing through a ballast includes a lamp tube, two end caps, each having at least one external connection terminal, a rectifying circuit, for rectifying the external driving signal to produce a rectified signal; a filtering circuit, for filtering the rectified signal to produce a filtered signal; an LED module, disposed on a power loop of the LED tube lamp, coupled to the filtering circuit, and configured for emitting light; a driving circuit coupled between the rectifying circuit and the LED module, and configured to drive the LED module; a mode determination circuit coupled to the rectifying circuit and the driving circuit and configured to detect the voltage level of the rectified signal; a switch circuit; and an installation detection circuit coupled to the mode determination circuit, the switch circuit, and the rectifying circuit; and configured to detect an installation state between the LED tube lamp and a lamp socket based on the voltage level of the rectified signal detected by the mode determination circuit.

An LED tube lamp comprises a plurality of LED light sources, an end cap, a power supply disposed in the end cap, a lamp tube, and an LED light strip. The lamp tube extends in a first direction along a length of the lamp tube, and has an end attached to the end cap. The LED light strip is electrically connected the LED light sources with the power supply. The LED light strip has in sequence a first wiring layer, a dielectric layer and a second wiring layer. A thickness of the second wiring layer is greater than a thickness of the first wiring layer.

Power consumption in a start-up circuit for a LED-based light bulb may be reduced by digitally switching a transistor of the start-up circuit coupled to the input voltage. When the transistor is digitally switched between on and off, a reduced amount of power is dissipated by the transistor, because it may not enter a saturation region of operation where the resistance of the transistor between drain and source terminals increases. The transistor may be coupled to a voltage regulator for generating one or more output voltages, including a supply voltage for a host controller IC. The transistor may be switched on and off by a digital signal generated by logic circuitry, which may decide to switch the transistor on and off based on a voltage level at an output of the voltage regulator.

A light device includes a USB charger, an AC to DC converter, and a DC to DC circuit to provide power to a light source that provides area illumination, at least one USB charging port and optional additional functions.

The present invention relates to methods and devices for automatically assigning a controllable luminaire device to a control group for commonly controlling controllable luminaire devices assigned to the control group.