Abstract: A backlight device includes a number of light emitting strings, a number of switch units, a first control unit and a second control unit. Each of the light emitting strings includes a number of light emitting units connected in series. The light emitting strings are configured to be driven by electric power to emit light. One of the switch units serves as a reference switch unit. The first control unit is configured to adjust a voltage level of the control terminal of the reference switch unit according to a voltage level of the reference node. The second control unit is configured to instruct the first control unit to set the voltage levels of the control terminal of each of the switch units and the electric power according to pre-calibration data corresponding to the illumination type of the backlight device.

Abstract: A stamped metal optic includes at least a bench for holding at least one optoelectronic component and a reflector for folding an optical pathway. The stamped metal optic is formed of a piece of metal that is shaped using known metal stamping techniques. The stamped metal optic preferably has at least one fiducial mark used to ensure that the optoelectronic device is precisely aligned with the reflector.

Abstract: Apparatus and associated methods relate to a series-connectable decorative light string. High-voltage power is received via a first electrical connector at a first end of the decorative light string and is conducted to a complementary second electrical connector at a second end of the decorative light string. The decorative light string has a power converter that converts the received high-voltage power to low-voltage DC power for consumption by a plurality of lighting elements distributed along the decorative light string. Each of the plurality of lighting elements has an illumination controller. The plurality of lighting elements is wired in daisy chain fashion from the first electrical connector to the second electrical connector via data-in and data-out ports of each lighting element. The wire high-voltage power received by the first electrical connector can provide power to additional decorative light strings connected via the second electrical connector without resulting in degraded illumination.

Abstract: A wireless switch assembly, including: a wireless switch having a control switch; a wireless transmitter connected to the control switch and transmitting a corresponding control signal according to the instruction of the control switch; a first identification card pluggably mounted in the wireless switch and connected to the wireless transmitter; a wireless receiver connected to a controller of a controlled piece and communicating with the wireless switch through radio frequency signal or optical signal. The wireless receiver has a second identification card pluggably mounted therein. The wireless assembly can achieve a remote control by a low power consumption wireless transceiver module and matches the wireless switch to the wireless receiver via the identification cards, thus eliminating the need for complicated control wiring, therefore greatly reducing the complexity of wiring, saving electric wires and cables, and reducing cost.

Abstract: Wireless wide area network (WWAN) antenna with integrated sensor and methods of using the same. In one embodiment, an antenna subsystem and proximity sensing subsystem share a grounded antenna component/parasitic element. The parasitic element can be used to broaden the operating band of the antenna feeding component and provide an input (via a capacitance change) to a proximity sensor. The parasitic element is, in one embodiment, coupled in parallel to the proximity sensor allowing for a reduction in noise due to increased isolation between the antenna subsystem and the sensing subsystem.

Abstract: According to one embodiment, a vehicle lighting device includes a first circuit portion that has at least one light emitting element and a first resistor connected in series to the light emitting element; a second circuit portion that is connected in parallel to the first circuit portion and has at least a control portion; and a third circuit portion that is connected in series to the first circuit portion and the second circuit portion, and has at least one light emitting element. The control portion measures an input voltage and causes a current to flow through the third circuit portion in a case where the measured input voltage is a predetermined value.

Abstract: A system and method that uses a tag-driven network architecture controlled by one or more central controllers. Unique tags are associated with various system components such as remote switches, sensors and other peripherals. A tag is assigned to a node when the node is first entered into the network. A distributed policy creates relationships between tags of various different equipment. The tag typically defines what the policy is for a particular local node. The node executes the policy that is supplied in its tag by accessing a recipe associated with that tag. If a device is not working, other similar devices can take over its task simply by executing the recipe associated with the failed device's tag instead of their own.

Abstract: Wireless wide area network (WWAN) antenna with integrated sensor and methods of using the same. In one embodiment, an antenna subsystem and proximity sensing subsystem share a grounded antenna component/parasitic element. The parasitic element can be used to broaden the operating band of the antenna feeding component and provide an input (via a capacitance change) to a proximity sensor. The parasitic element is, in one embodiment, coupled in parallel to the proximity sensor allowing for a reduction in noise due to increased isolation between the antenna subsystem and the sensing subsystem.

Abstract: Grow light systems and methods for controlling the systems are described herein. The grow light system can include an integrated lamp and light emitting diodes (LEDs) structure that produces an energy signature highly conducive to plant growth, and that uses minimal energy.

Abstract: There are provided an adapter and a method for use with a luminaire. For example, there is provided an adapter for use with a lighting controller of a luminaire. The adapter includes a calibration and maintenance port connected to a metering circuit disposed in the lighting controller. Furthermore, the adapter includes an interface connected to: the lighting controller, at least one lead of a lighting controller receptacle of the luminaire, and to at least one port of a computing device.

Abstract: An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of LED illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices. A keypad is preferably configured for button control of changes to color temperature as a function of brightness along each of the various dimcurves for each of the various groups of illumination devices controlled by a corresponding keypad to allow momentary or persistent override and reprogram of the natural show. Modification to a scene further comprises modifications to scenes before and after the currently modified scene to provide a smoothing dimcurve modification. Global keypad can be used to control multiple zones arranged throughout a structure to switch between a natural show that emulates outdoor sunlight conditions to a panic show when an intruder is detected.

Abstract: A power supply for an electronic cigarette, includes a shell; a battery assembly received in the shell; an electrode assembly arranged at an end of the shell; a first electrical contact assembly arranged between the battery assembly and the electrode assembly. The first electrical contact assembly includes a first electrode plate electrically connected to the battery assembly, and a pair of first pins electrically connected to the electrode assembly. The first pins are electrically contacting the first electrode plate. An electronic cigarette using the power supply is also provided.

Abstract: Provided herein are display systems and units, including those configured for dynamic communication in a physical location, such as in retail settings. Also included herein are methods for dynamically displaying product information in a physical location, such as a retail setting.

Abstract: An illumination control device includes sub controllers each having output ports for controlling a light source of a plurality of light sources and a main controller connected to the sub controllers respectively and controlling the light sources via the sub controllers. Each of the sub controllers controls a lighting form of the corresponding light source of the light sources in accordance with a signal input from the main controller. The main controller transmits, to each of the sub controllers, assignment information representing assignment states of the light sources with respect to the output ports of each of the sub controllers and event information specifying the lighting forms of the light sources. Each of the sub controllers controls the lighting forms by specifying the assignment states of the light sources corresponding to the output ports in accordance with the assignment information.

Abstract: A fixture comprising a light sensor and an actuator for assigning the fixture to at least one zone. A fixture comprising a light source, a motion sensor and a light sensor. A fixture comprising a motion sensor, a light sensor and a wireless transmitter (optionally also a wireless receiver). A fixture configured to detect light brightness values over a time-span, and identify a period of time with smallest average brightness. A fixture configured to dim at a first rate when a motion sensor senses no motion for a designated period of time, and optionally also configured to brighten at a second rate when the motion sensor detects motion. A fixture configured to dim to not less than a designated percentage unless motion is detected during the dimming. A lighting control system, comprising fixtures and an actuator configured to assign fixtures to zones. Also, other lighting control systems and methods.

Abstract: A lighting control system for controlling a cumulative light emitted by a lighting fixture having a plurality of LED light sources may comprise a plurality of LED drivers adapted to be coupled to a respective one of the LED light sources and configured to control an intensity of the respective LED light source, and a controller configured to transmit a single digital message for controlling the cumulative light emitted by the lighting fixture. Each of the plurality of LED drivers is configured to adjust the intensity of the respective LED light source to a preset intensity in response to the single digital message transmitted by the controller.

Abstract: A light-emitting element at least includes a first electrode, a first light-emitting layer over the first electrode, a second light-emitting layer over and in contact with the first light-emitting layer, a third light-emitting layer over and in contact with the first light-emitting layer, and a second electrode over the third light-emitting layer. Each of the first light-emitting layer and the second light-emitting layer contains a phosphorescent compound. The third light-emitting layer contains a fluorescent compound. Each of the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer includes an organic compound.

Abstract: A handheld device for grouping a plurality of lighting fixtures is disclosed. In one embodiment, the handheld device includes a communication interface configured to wirelessly communicate with the plurality of lighting fixtures and control circuitry. The circuitry is configured to: effect selection of at least two lighting fixtures of the plurality of lighting fixtures via the communication interface; determine a first group for the at least two lighting fixtures; create first group assignment information for the first group; and send the first group assignment information to each of the at least two lighting fixtures via the communication interface.

Abstract: A terminal control apparatus and a central control apparatus may control at least one terminal device that consumes energy in an energy management system while obtaining the same effect as when virtual equipment is used. A first terminal control apparatus may receive a control command related to a first terminal device from a central control apparatus or a second terminal control apparatus included in the energy management system. The first terminal control apparatus may determine whether the first terminal device matches the first terminal control apparatus, and selectively transmit the control command to a third terminal control apparatus or selectively control the first terminal device according to the control command, based on the determination.

Abstract: A correlated color temperature control system (1) for a LED lighting system (2) having at least two LED sources (3, 4) with different correlated color temperatures. The LED lighting system (2) has a combined correlated color temperature resulting from the combination of the different correlated color temperatures of the at least two LED sources (3, 4), and a combined luminous flux resulting from the combination of the luminous fluxes of the at least two LED sources (3, 4), with each LED source being supplied with a supply current.

Abstract: Ambient light control and calibration systems and methods are provided herein. According to some embodiments, exemplary systems may include a console that includes a processor that executes logic to control a plurality of nodes to reproduce a virtual lighting scheme of a virtual environment in a physical user environment. Additionally, the system may include a plurality of nodes that each includes a light emitting device, a receiver that communicatively couples the node to the console, and a processor that executes logic to control the light emitting device.

Abstract: The invention relates to an illumination device comprising a group of first light sources, a plurality of optical lenses, a plurality of beam generating elements, where each of the beam generating elements is configured to collect the light of at least one first light source to generate a light beam of the collected light and to pass the generated light beam to one of the optical lenses, a group of second light sources, and a plurality of shielding elements, where each shielding element is arranged between at least one of the second light sources and one of the plurality of optical lenses in such a way that said at least one of the second light source illuminates only one of the plurality of optical lenses.

Abstract: A method in which a control device controls at least one of a plurality of terminal devices is provided. The method includes transmitting a search request for requesting information on a location of each of a plurality of terminal devices, and information on a direction of each of the plurality of terminal devices based on a direction in which the control device is directed, receiving a response corresponding to the transmitted search request, determining at least one of the plurality of terminal devices that are controllable from among the plurality of terminal devices based on the received response, and controlling the determined at least one of the plurality of terminal devices that are controllable.

Abstract: An illumination content editing system and an illumination content translator allow creation or alteration of illumination content and translation of illumination content so that illumination represented by the illumination content can be played in disparate illumination systems. Translation may particularly employ characteristics of the disparate illumination systems, and the characterizations may be determined using automated or manual processes.

Abstract: An apparatus and method provides a driver circuit that provides for power factor correction (PFC) to a load, such as a solid-state lighting (SSL) device, such as, for example, a light emitting diode (LED) or an array or cluster of LEDs. A programmable reference is provided in the circuit to operate in a fixed frequency peak current mode control (FFPCMC) or in a fixed frequency average current mode control (FFACMC). A driver circuit is employed to operate the SSL device using power derived from a main power source which may be DC or AC. In a FFPCMC embodiment, a programmable power reference is programmed to be a fixed DC voltage. In a FFACMC embodiment, source input current to the circuit can be programmed to be proportional to the rectified AC voltage after a bridge rectifier.

Abstract: Single channel digital addressable lighting interface (DALI) systems can include a dedicated external power supply that operates in a constant voltage/constant current mode to meet requirements of the DALI bus. A lighting controller is powered from the DALI bus. In one embodiment of the inventive subject matter, a lighting system is provided that includes two or more control (e.g., DALI) buses and a multichannel power supply that can be used for powering a controller of the system with constant voltage and to power separate control buses with separate and constant current. In order to protect the controller and buses from overloads caused by miswiring or other erroneous conditions, a protection circuit assembly is provided.

Abstract: Techniques and user interfaces (UIs) are disclosed for controlling a solid-state luminaire having an electronically adjustable light beam distribution. The disclosed UI may be configured, in accordance with some embodiments, to provide a user with the ability to control, by wireless and/or wired connection, the light distribution of an associated solid-state luminaire in a given space. The UI may be hosted by any computing device, portable or otherwise, and may be used to control any given light distribution capability provided by a paired luminaire. In accordance with some embodiments, the user may provide such control without need to know details about the luminaire, such as the quantity of solid-state lamps, or their individual addresses, or the address of the fixture itself. In some cases, the disclosed techniques may involve acquiring spatial information of the space that hosts the luminaire and/or providing user-selected distribution of light within that space.

Abstract: Embodiments provide a lighting apparatus including a light source unit including a first light source and a second light source, a light source driving unit including a first driver configured to supply first supply current to the first light source and a second driver configured to supply second supply current to the second light source, and a controller configured to control the first driver so as to vary the level of the first supply current and to control the second driver so as to fix the level of the second supply current.

Abstract: A display device of the present disclosure includes a plurality of pixels, in which a pixel includes a light-emitting element, a drive circuit which has a thin film transistor driving the light-emitting element, and a coupling unit which connects the light-emitting element and the drive circuit to each other, the light-emitting element has a configuration in which an organic layer including a light-emitting layer is interposed between a transparent electrode and a reflective electrode, the thin film transistor has a configuration which includes a semiconductor layer, an insulation layer, a first electrode layer, and a second electrode layer, and the coupling unit includes a metal layer which is thinner than the first electrode and the second electrode of the thin film transistor the metal layer being disposed in one portion of the coupling unit.

Abstract: A lighting device includes a light source including at least two light-emitting diode chips which emit light of mutually differing colors when in operation, and an optical element in the form of a solid body made from a dielectric material including a radiation entrance face facing towards the light-emitting diode chips, a radiation exit face remote from the light-emitting diode chips, and a circumferential face connecting the radiation entrance face and the radiation exit face to one another, wherein the circumferential face is reflective to the light emitted by the light-emitting diode chips when in operation, and the radiation entrance face and/or the radiation exit face is/are non-planar at least in places, wherein a gap, which is filled with a gas, is arranged between at least one of the light-emitting diode chips of the light source and the radiation entrance face, and the optical element is a sole optical element of the lighting device, which optical element is arranged downstream of all light-emitting

Abstract: A visible light communication apparatus includes: a light source; a power source circuit which applies a voltage to an electric path for causing the light source to emit light; a modulation circuit which causes the light source to emit light modulated by a communication signal; and a function circuit section which is connected to the electric path and performs a predetermined function by operating on a current flowing through the electric path, the function circuit section operating on a voltage lower than a first voltage value which is a lowest voltage value at which the light source emits light and higher than or equal to a second voltage value, wherein the power source circuit further applies to the electric path the voltage lower than the first voltage value and higher than or equal to the second voltage value.

Abstract: An LED lighting device includes a case unit forming a light emitting space, wherein resting surfaces are formed at predetermined areas on the inner side of the case unit, substrates having LEDs mounted thereon and respectively rested on the plurality of resting surfaces, and heat-dissipating units formed in the outer side of the case unit for heat dissipation. Lifespan and user convenience can be improved.

Abstract: A sequential driving type alternating current (AC) LED lighting apparatus including a rectifier connected to an alternating current (AC) power source and outputting a first rectified voltage as a first drive voltage to a light-emitting diode (LED) light-emitting device through full-wave rectification of an AC voltage, and an LED drive controller configured to detect a first drive voltage applied to the LED light emitting device and control sequential driving based on the detected first drive voltage. The LED drive controller is configured to set an LED drive current in each of operation sections, such that a difference between light output of the LED light-emitting device in each of the operation sections does not exceed a predetermined light output deviation.

Abstract: A driving circuit applied in a display system includes a node, a current control circuit, a protecting circuit and a timing controller, wherein the node is arranged to connect to a lighting element; the current control circuit is coupled to the node and arranged to selectively provide a current to the lighting element according to a Pulse Width Modulation (PWM) signal; the protecting circuit is coupled to the node and arranged to be selectively enabled to limit the voltage of the node according to a control signal to make the voltage of the node maintain a predetermined voltage, wherein the lighting element does not have any current passed through when the voltage of the node maintains the predetermined voltage; and the timing controller is arranged to generate the PWM signal and the control signal.

Abstract: A lighting device utilizes physical or virtual separation of elements within the lighting device to isolate a first portion of data for delivery to a first data network from a second portion of data for delivery to a second data network. The first portion of data relates to a first signal generated responsive to a first sensed condition. The second portion of data may relate to the first signal or to a second signal generated responsive to the first sensed condition or a second sensed condition. The lighting device utilizes a first communication interface to deliver the first portion of data to the first data network and a second communication interface to deliver the second portion of data to the second data network.

Abstract: The present disclosure provides solid state lighting fixtures with wireless, sensor and time based controllers to establish configurations for illuminating the lighting fixtures. More particularly, the present disclosure relates to solid state lighting fixtures having a wireless controller that permits illumination intensity adjustments as well activation timing, and sensors that permit efficient optical control.

Abstract: A system and method of driving an electrowetting display device including a plurality of sub-pixels are presented. A sub-pixel in the plurality of sub-pixels is determined to be in an open state or a closed state and a target reflectance value is determined for the sub-pixel. For the sub-pixel in the open state, the target reflectance value is determined to be less than a first threshold value, and a reflectance value of the sub-pixel is set to either a minimum reflectance value or the first threshold value. For the sub-pixel in the closed state, the target reflectance value is determined to be less than a second threshold value, and the reflectance of the sub-pixel is set to either the minimum reflectance value or the second threshold value.

Abstract: An illumination control device includes a control portion which controls light emission states of luminous bodies and having different light emission colors from one another, so that a cabin is illuminated by emitted light emitted from a light source and having predetermined chromaticity. The light source has the luminous bodies. The control portion controls the light emission states of the luminous bodies in accordance with a correction coefficient inputted from outside to adjust the chromaticity of the emitted light.

Abstract: Server information handling system LED indication lights and other illumination devices are selectively illuminated based upon override configuration settings pushed down from a data center administrative tool. A chassis management controller that manages a blade or rack with plural server information handling systems overrides indication light illumination at blade or rack components, such as power supply and I/O modules. Power saved by reducing indication light illumination is allocated to support operation of one or more server information handling systems.

Abstract: Methods and apparatus related to controlling illumination in a space. The method may include determining a heading of a daylight blocking element and/or a lighting fixture (301) and automatically adjusting at least one characteristic of the daylight blocking element and/or the lighting fixture based at least in part on the determined heading (305). The method may additionally or alternatively include proactively determining likely daylight conditions at a future time and beginning to adjust at least one characteristic of a daylight blocking element and/or a lighting fixture prior to the future time (202/203). Daylight blocking elements and/or lighting fixtures are also provided that may facilitate one or more aspect of the methods of controlling illumination.

Abstract: A light control system having a central control engine, at least one light sensor, and at least one light source. The central control engine is configured to receive illumination data from the light sensor. The light data represents an actual light profile. The central control engine is configured to retrieve a target light profile for a user and adjust an illumination of the light control system based on the target light profile for the individual user.

Abstract: The lighting control device according to the present invention includes: a power supply for operating a light source including a first light source and a second light source lower in color temperature than the first light source; and a controller for controlling the power supply. The power supply includes: a first power supply for supplying power in a first range to the first light source; and a second power supply for supplying power in a second range to the second light source. The controller controls the first and second power supplies to adjust power supplied to the first light source and power supplied to the second light source so that a color temperature of the light source is equal to a color temperature which is selected from a predetermined color adjustment range as a desired value. The first range is lower in a lower limit than the second range.

Abstract: A lighting system (100) comprising a central lighting device (111), at least one satellite lighting device (121, 131), and a controller (141) for adjusting light settings, is provided. The controller is arranged for transmitting, in response to a user request (140), an association request over a first communication link (142). The central lighting device is arranged for receiving the association request and re-transmitting the association request over a second communication link by means of coded light (112). The satellite lighting device is arranged for transmitting, in response to receiving the association request, its identifier to the central lighting device. The identifier is only transmitted if an association process is enabled. The association process is enabled, in response to a user request, during a limited time period. The central lighting device is further arranged for associating, in response to receiving the identifier, the satellite lighting device with the central lighting device.

Abstract: An electric energy supply device for powering at least one lighting device may include a first wireless communication module, a multiplexing module and a driving module. The first wireless communication module may receive or transmit a first control signal based on the first wireless network communication protocol. The multiplexing module may identify the communication protocol type of the first control signal. The driving module may drive the light device according to the first control signal. According the communication protocol type, the multiplexing module may determine whether to control the driving module to drive the lighting device according to the first control signal or transmit the first control signal to the first controlled device corresponding to the communication protocol type to remotely control the first controlled device by using other electric energy supply devices as the data bridge path after receiving the first control signal via the first wireless communication module.

Abstract: A light emitting device includes a light emitting structure having a plurality of light emitting regions including a first semiconductor layer, an active layer, a second semiconductor layer, a first electrode in one of the light emitting regions, a second electrode in another of the light emitting regions, and at least one connection electrode to sequentially connect the light emitting regions in series. The light emitting regions connected in series are divided into 1st to ith light emitting region groups. Areas of light emitting regions that belong to different groups are different. An area of a light emitting region which is more frequently used among the plurality of light emitting regions is larger than an area of a light emitting region which is less frequently used among the plurality of light emitting regions.

Abstract: A lighting system device for a pre-configured lighting system (111), wherein the lighting system device is coupled directly with at least one further lighting system device in the pre-configured lighting system (111) based on configuration data associated with the lighting system device and the at least one further lighting system device, the lighting system device further configured to: store the configuration data associated with the lighting system device and the at least one further lighting system device such that it is not deleted on performing a reset; receive a reset input; cascade the reset input to any coupled lighting system devices within the pre-configured lighting system package; reset the lighting system device; and determine and register the lighting system device on a central control unit (101), such that the central control unit (101) is configured to access the configuration data and restore a pre-configured lighting system functionality.

Abstract: Electrical devices, methods of operating an electrical device for use with a multiway switch system, and methods for connecting an electrical device with a load device and a multiway switch system for controlling the load device are described. In one embodiment, an electrical device for use with a multiway switch system includes an alternating current (AC) power interface configured to connect to at least one of a live wire and a neutral wire of an AC power supply, a load regulator module configured to regulate a load device that is connected to the neutral wire of the AC power supply, an output power interface configured to connect to the multiway switch system and to output a voltage to a switch of the multiway switch system, and a microcontroller module configured to control the load regulator module in response to a switching of the multiway switch system.

Abstract: A lifestyle lighting solution using microcontroller technology for controlling nighttime illumination is disclosed wherein the night time illumination is divided into two stages with the first stage being a high power illumination for a preset time period and the second stage being an energy saving/security illumination. The time period of the first stage high power illumination is managed by a virtual timer which is programmable and dynamically variable according to the home owners' living habits and needs. The second stage energy saving illumination with four options is produced by different combinations of dimming techniques and motion sensor. The lifestyle illumination also using microcontroller technology to replace the function of photo cell enables the users to manage their time table of home lighting performance for both indoor and outdoor application. The present invention provides home owners possibility to choose among different working modes integrated in a single lighting device.

Abstract: A lighting system according to the embodiment includes a lighting device; and a graphic user interface displayed on a touch screen of a lighting control device to control the lighting device. The graphic user interface includes a first region to display a map for an installation space of the lighting device and a lighting icon corresponding to the lighting device in the map; and a second region to display a menu for setting a control condition of the lighting device corresponding to the lighting icon. The map includes a plurality of division spaces obtained by dividing the installation space into a plurality of regions and the lighting icon is displayed in a specific division space corresponding to an actual installation portion of the lighting device.

Abstract: The methods and apparatus described enable automatic configuration, or commissioning, of controller devices and load control devices through a low voltage communication network controlled by one or more controller devices. These methods and apparatus further enable expansion of the load control system by connection of additional loads and or load control devices and or controller devices which will reinitialize the low voltage communication network and automatically reconfigure the controller devices and load control devices connected to the network.