Abstract: A dimmer switch system for dimming a load includes a master dimmer structured to be electrically connected to a power source and the load and to control dimming of the load by regulating power provided from the power source to the load, and at least one accessory dimmer structured to be electrically connected to the master dimmer via a traveler conductor. The master dimmer is structured to generate a first control signal on the traveler conductor during one of a positive or negative half-cycle of power from the power source. The at least one accessory dimmer is structured to generate a second control signal on the traveler conductor during the other of the positive or negative half-cycle of power from the power source.

Abstract: A lighting circuit is configured to drive a light source including a plurality of light emitting elements connected in series. The lighting circuit includes a plurality of bypass switches respectively connected in parallel to the light emitting elements, a switching converter, and a converter controller configured to (i) stabilize a lamp current generated by the switching converter to a first target amount in a lighting-on state where at least one of the plurality of light emitting elements is turned on, and to (ii) stabilize the lamp current to a second target amount smaller than the first target amount in a complete lighting-off state where all of the plurality of light emitting elements are turned off.

Abstract: A projection display device has a projection display unit that performs, in accordance with input image data, spatial modulation on light emitted by a light source, and projects image light obtained through the spatial modulation onto a projection surface of a vehicle to display an image that is based on the image data, the projection surface is formed of a member having a reflectance that is higher for light in a plurality of wavelength ranges than for light in a wavelength range outside the plurality of wavelength ranges, and the projection display device includes: a projection angle control mechanism that controls a projection angle of the image light on the projection surface; and an image light control unit that controls, in accordance with the projection angle, intensity of the light in the plurality of wavelength ranges included in the image light.

Abstract: A lamp including a body for containing a light engine that includes at least a first and second string of said light emitters. The lamp includes driver electronics including an AC-DC switching power supply section of a circuit including a first potentiometer for adjusting total current to the light engine; and a linear topology LED string current control section of the circuit including an operational amplifier controlled by a second potentiometer to operate a field effect transistor (FET) in the linear portion of the FETs operation range to adjust a percentage of the total current to the first and second string of the light emitters. Adjusting the total current adjusts the photosynthetic photon flux (PPF) of light emitted by the lamp. Adjusting the percentage of the total current to the first and second string of the light emitters adjusts the spectral power distribution of light being emitted by the lamp.

Abstract: Disclosed is an electroluminescent display device which is capable of preventing a current density from being concentrated when low-potential power is supplied from a low-potential power supply pad, wherein the electroluminescent display device includes a display panel including a plurality of pixels, a pad portion provided in the edge of the display panel, and configured to include a low-potential power pad supplied with low-potential power, and a low-potential contact portion for electrically connecting the low-potential power pad with the plurality of pixels, wherein the low-potential contact portion has a round shape.

Abstract: A smart mirror and a control method thereof are provided. The smart mirror includes a rear cover; a display screen disposed on the rear cover and configured to display preset information; a lighting circuit disposed on the rear cover and configured to emit illumination beam; a distance sensing circuit disposed on the rear cover and configured to sense distance of a user in a target area; a control circuit disposed on the rear cover and electrically connected with the display screen, the lighting circuit and the distance sensing circuit, and configured to start one of the display screen and the lighting circuit according to the distance sensed by the distance sensing circuit; a display mirror surface that is disposed on the rear cover and only covers the display screen.

Abstract: This information processing method is executed by an electric light bulb light source apparatus, which includes a lighting unit, and a functional unit, the information processing method including: selecting, from any of a parent mode and a child mode, an operation mode for cooperative control with a different electric light bulb light source apparatus with respect to the functional unit, and setting the selected operation mode. In a case where the parent mode is set, the lighting unit is caused to execute a first lighting operation for the parent mode in response to a predetermined lighting control signal relating to an operation of the lighting unit, and a cooperative control signal for causing a second lighting operation for the child mode to be executed is transmitted to the different electric light bulb light source apparatus set to the child mode, the second lighting operation for the child mode being different from the first lighting operation.

Abstract: A light source module includes a heat sink having a mounting region; a light emitting device package having a first surface disposed on the mounting region of the heat sink and a second surface that is opposite to the first surface, the light emitting device package including a connection pad disposed on the second surface; a circuit board disposed on the mounting region of the heat sink and spaced apart from the light emitting device package, the circuit board including a connector and a terminal electrically connected to the connector; and a bracket disposed between the light emitting device package and the circuit board on the mounting region of the heat sink, and coupled to the heat sink, the bracket including a lead frame pressing the connection pad and the terminal to connect the connection pad and the terminal.

Abstract: A power supply circuit is equipped with a converter circuit configured to convert an alternating current signal applied at an input of the power supply circuit into a direct current signal. A control circuit for the power supply circuit is configured to detect a phase of the alternating current signal and to control discharging of an internal capacitive element of the power supply circuit based on the detected phase of the alternating current signal.

Abstract: A follow spot controller and method are provided that store first and second sets of individual pan and tilt parameters for each of a plurality of automated luminaires and calibrate a 3-D model of a surface of a performance area and location and mounting orientations of the automated luminaires relative to the performance area, based on the stored sets of individual pan and tilt parameters. A physical orientation of the follow spot controller is sensed and operator pan and tilt parameters are sent to one of the automated luminaires. The operator pan and tilt parameters are based on the physical orientation of the follow spot controller. Individual calculated pan and tilt parameters are sent to each of the other automated luminaires. The individual calculated pan and tilt parameters are based on the operator pan and tilt parameters and the 3-D model.

Abstract: A method of installing a light emitting diode light bar into a bulb is provided. Place the light bar module into the light bulb shell. The light bar module has a plurality of light emitting diode light bars and an expansion structure. The expansion structure is not expanded and is disposed among multiple light emitting diode light bars. Each light emitting diode light bar has a certain degree of flexibility. Expanding the expansion structure then, therefore multiple light emitting diode light bars are individually bent and deformed toward the bulb shell direction. Next, remove the expansion module and install other components of the bulb.

Abstract: A load control device may be configured to provide a user interface for controlling the intensity and/or color of one or more lighting loads. The user interface may include separate actuation members for setting the intensity and/or color of the lighting loads. The user interface may include one actuation member configured to operate in an intensity and/or color control mode. The control mode of the actuation member may be set via a button, a lever, a rotary switch, a rotary knob, etc. The user interface may include a touch sensitive element capable of sensing a user's touch and translate the touch into a control signal. Feedback may be provided on the user interface to indicate the type of control being adjusted and/or amount of control being applied to the lighting loads.

Abstract: Systems and Methods disclosed herein relate to providing a message to an application programming interface (API). The message includes a request for data from a data model, a submission of data to the data model, or both; and a host selection between: a representational state transfer (REST) host and a subscription-based application programming interface (API) host, wherein the REST host receives REST-based messages and the subscription-based API host receives messages in accordance with a standard of the subscription-based API host; wherein the request for data, the submission of data, or both are configured to create, delete, modify, or any combination thereof data related to a smart-device environment structure, a thermostat, a hazard detector, or any combination thereof stored in a data model accessible by the API.

Abstract: Techniques for employing an enhanced light device to determine desirable information to a user are presented. Such light device(s) can comprise or be associated with a light management component (LMC) that can employ sensors to monitor respective characteristics or conditions of a device, an environment, and/or a user to determine respective contexts for the device, environment, or user, wherein the user can interact with or be in proximity to the device or environment. The light device(s) collects data, including sensor data, relating to the device or environment from the device, the environment, or other data sources. The LMC determines a desirable subset of information to present to the user based on the respective contexts. The LMC facilitates presenting the desirable subset of information to the user via the light device or a communication device of the user that is communicatively connected to the light device.

Abstract: Aspects of the present invention further include a lighting system comprising a lighting source, a connector in electrical communication with the lighting source and an external power source, an energy storage device, an input device, and a controller. The controller may be configured to identify the presence of a load indicator signal received via the input device, determine whether the load indicator signal indicates a load-reducing state, and when the load indicator signal indicates the load-reducing state, discharge the energy storage device to maintain an intensity of the lighting source.

Abstract: A multiple location dimming system may include a smart dimmer (e.g., a main load control device) and one or more remote dimmers (e.g., accessory devices) for controlling the amount of power delivered to a lighting load. The multiple location dimming system may be installed in place of a multiple location switch system (e.g., having three, four, or more multi-way switches), and may not require a neutral connection at any of the control devices of the multiple location dimming system. The main load control device and the accessory devices of the multiple location dimming system may be configured to display a present intensity level of a lighting load on one or more visual indicators. The accessory devices may have the same or different user interfaces as the main load control device, and may provide additional functionality over that which the main load control device offers.

Abstract: Example embodiments relate to a node and a method of controlling devices connected to the node. In example embodiments the devices may be, but are not required to be, lights.

Abstract: Information handling systems interacting through a network, such as gaming between distal locations, remotely control ambience lighting of rooms in which the games are presented to enhance the interactive experience. An Internet of Things environmental lighting control system accessed by a remote information handling system adjusts illumination responsive to settings communicated from the remote information handling system.

Abstract: A visible light sensor may be configured to sense environmental characteristics of a space using an image of the space. The visible light sensor may be controlled in one or more modes, including a daylight glare sensor mode, a daylighting sensor mode, a color sensor mode, and/or an occupancy/vacancy sensor mode. In the daylight glare sensor mode, the visible light sensor may be configured to decrease or eliminate glare within a space. In the daylighting sensor mode and the color sensor mode, the visible light sensor may be configured to provide a preferred amount of light and color temperature, respectively, within the space. In the occupancy/vacancy sensor mode, the visible light sensor may be configured to detect an occupancy/vacancy condition within the space and adjust one or more control devices according to the occupation or vacancy of the space. The visible light sensor may be configured to protect the privacy of users within the space via software, a removable module, and/or a special sensor.

Abstract: Technologies for light exposure analysis include a computer configured to collect light data of an environment and a remote computer communicatively coupled to the computer. The remote computer is configured to receive/retrieve health information for one or more users and analyze the health information to generate a health profile for each of the one or more users. Additionally, the remote computer is configured to determine whether any correlations exist between the health profiles and the light data. The remote computer is further configured to analyze the collected light data against one or more health profiles to determine a desired lighting condition for a user based at least in part on the correlations between the health profiles and the light data. Other embodiments are described and claimed.

Abstract: A load control system for controlling an electrical load in a space of a building occupied by an occupant may include a controller configured to determine the location of the occupant, and a load control device configured to automatically control the electrical load in response to the location of the occupant. The load control system may include a mobile device adapted to be located on or immediately adjacent the occupant and configured to transmit and receive wireless signals. The load control device may be configured to automatically control the electrical load when the mobile device is located in the space. The load control system may further comprise an occupancy sensor and the load control device may automatically control the electrical load when the occupancy sensor indicates that the space is occupied and the mobile device is located in the space.

Abstract: A light source fabrication process to fabricate a customized light source includes attaching a plurality of light emitting diodes to a circuit board, where each light emitting diode is configured to emit light within a same wavelength range. Further, the light source fabrication process includes applying a first phosphor layer to a first set of light emitting diodes of the plurality of light emitting diodes and applying a second phosphor layer to a second set of light emitting diodes of the plurality of light emitting diodes. The phosphor layers are applied to the light emitting diodes using one of a screen printing process and an inkjet printing process. The first phosphor layer is different from and has different optical properties from the second phosphor layer.

Abstract: The present invention relates to a display device comprising at least one display unit and an illumination device for illuminating an edge region of the at least one display unit. The invention further relates to a method for operating such a display device and to an entertainment device comprising such a display device. The display device according to the invention comprises, in addition to the at least one display unit and the illumination device, at least one determination means for determining a color information from an image block of the at least one display unit, and further comprises a color control means for controlling the color and/or color spectrum of the light emitted by the illumination device as a function of the color information. The color information can be obtained from the light which is actually emitted by the display unit in said image block, for which a light detection device having an observation region that is limited to the image block can be provided.

Abstract: A lighting wall controller can be a retrofit for existing light switches, and the lighting wall control replaces the conventional light switch and can still work as a conventional light switch or other power switch with “dumb” lights or appliances while providing the ability to control “smart” lights and/or other “smart” devices with voice commands. In addition to controlling lights and/or devices, voice commands can be used to provide information or actions back to the user in response to the voice command. The lighting wall controller thereby provides voice control functionality without requiring additional devices, such as additional voice control appliances.

Abstract: A lighting system comprises at least one luminaire arranged to illuminate an area shared by a plurality of users. From at least one of the users, at least one level adjustment instruction is received, denoting an illumination level instructed by that user for the shared area. When operating in a manual control mode for the shared area, the at least one luminaire is controlled to emit illumination at the illumination level denoted by the most recently received of the level adjustment instruction(s). A plurality of user profiles is generated, each of a respective one of the users and comprising preference information, wherein the preference information for the at least one user is derived from his at least one level adjustment instruction. A consensus illumination level for the shared area is determined, by combining the preference information of at least two of the user profiles stored in the memory.

Abstract: In one aspect, a playback device includes a voice assistant service (VAS) wake-word engine and a command keyword engine. The playback device detects, via the command keyword engine, a first command keyword, and determines whether one or more playback conditions corresponding to the first command keyword are satisfied. Based on (a) detecting the first command keyword and (b) determining that the one or more playback conditions corresponding to the first command keyword are satisfied, the playback device playback device performs a first playback command corresponding to the first command keyword. When the playback device detects, via the wake-word engine, a wake-word in voice input, the playback device streams sound data corresponding to at least a portion of the voice input to one or more remote servers associated with the VAS.

Abstract: An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. One or more illumination devices can be grouped together and perform the sunlight emulation along the locus by producing different color temperatures throughout the day by all illumination devices within that group producing the same color temperature changes throughout the day. Moreover, a particular advantage of the preferred embodiments is the ability to manually change at any time the emulated natural sunlight output from the one or more groups of illumination devices and advantageously change the color output more so at certain times than at other times by simply actuating a trigger on a dimmer associated with a virtual or physical keypad.

Abstract: Techniques for self-aware light are provided. A self-aware light can determine characteristics of the environment in which the self-aware light is installed, determine capabilities of self-aware light, determine one or more objectives of the installation of self-aware light, perform a self-configuration of self-aware light according to the determined one or more objectives, and determine and execute suitable actions for self-aware light to perform to achieve the determined one or more objectives.

Abstract: A lighting control system of the type including an electronic device with a processor, memory, wireless communication capability and a user interface may be used. A controller may be used with a receiver to receive wireless communication from the electronic device and an output terminal with at least one lighting array in electrical communication with the output terminal of the controller. A power supply may be provided with the controller thereby providing electrical power to the controller and the lighting array. Software on the electrical device may be used providing a graphical interface with a user to actuate the controller to provide an electrical output to the lighting array. The combination may be placed on a building, vehicle or any object to allow a plurality of lighting themes and palettes. Music may also be used to control the lighting output as well as speed or acceleration.

Abstract: A light emitting diode lamp string system with a sequencing function includes a light emitting diode driving apparatus and a light emitting diode lamp string. In a predetermined sequence testing mode, the light emitting diode driving apparatus sequentially sends a plurality of predetermined sequence testing signals to the light emitting diode lamp string to find out the damaged light emitting diode lamp. In an extended sequence testing mode, the light emitting diode driving apparatus respectively sends a plurality of extended sequence testing signals to the light emitting diode lamp string to find out the new light emitting diode lamp. A sequencing method performs a predetermined sequence testing mode to detect a failure address code, and performs an extended sequence testing mode to detect a replacement address code, and replaces the failure address code with the replacement address code in a testing sequence.

Abstract: A lighting system includes a solid state lighting device capable of generating mixed light and a controller. The solid state lighting device includes light sources for producing mixed light and a sensor configured to detect light from one of the light sources. The controller controls two or more of the light sources based on output from the sensor. The controller can communicate with the sensor to provide closed-loop control.

Abstract: According to one aspect disclosed herein, there is provided a method of controlling a lighting system comprising a first plurality of luminaires located in a first environment and a second plurality of luminaires located in a second environment, the method comprising steps of: receiving a first user input pattern at a light switch of the lighting system operatively coupled to the first plurality of luminaires; determining at least one parameter of a lighting scene being rendered by the first plurality of luminaires when the first user input pattern is received; storing an indication of the first user input pattern in association with the determined at least one parameter; receiving a second user input pattern at the or another light switch of the lighting system, operatively coupled to the second plurality of luminaires; comparing the received second user input pattern with the stored indication of the first user input pattern to determine if the second user input pattern matches the first user input pattern;

Abstract: A planar light source emits planar light by power supplied from a mounting member. The planar light source includes an engaging part, a planar-light-emitting panel having a light-emitting surface, and a connecting unit disposed between the engaging part and the planar-light-emitting panel. The engaging part forms a portion of a power supply path for supplying power from the mounting member to the planar-light-emitting panel. The planar-light-emitting panel includes a planar-light-emitting tile and a translucent plate, where one main surface of the planar-light-emitting tile includes a light-emitting region. The planar-light-emitting panel emits, in a lighting state, the planar light from the light-emitting region of the planar-light-emitting tile through the translucent plate. An output of the planar light from the planar light source is adjusted by pressing the light-emitting surface.

Abstract: An intelligent lamp holder includes a microprocessor, a memory controlled by the microprocessor, an acoustic reception and transmission element, a sound recognition module, a light modulation module controlled by the microprocessor, a sensing module controlled by the microprocessor, an internet of things transmission protocol module controlled by the microprocessor, a wireless communication module connected with the internet of things transmission protocol module and the microprocessor, and an instruction match and situation application module for comparing operation instructions recognized by the internet of things transmission protocol module with a plurality of preset instructions. The acoustic reception and transmission element is connected with an external ultrasonic device for receiving ultrasonic signals, and converts the ultrasonic signals into digital signals. The sound recognition module is controlled by the microprocessor, and connected with the acoustic reception and transmission element.

Abstract: A configurable lighting system includes a coordinator device and a first lighting device that wirelessly communicates with the coordinator device. The system further includes a user device having a display interface that displays representations of multiple lighting devices including a representation of the first lighting device. The user device is configured to indicate the representation of the first lighting device in the display interface in response to a first user input received at the first lighting device. In response to a second user input received at the user device, the second user input associating the representation of the first lighting device with a zone of a physical area, the coordinator device associates the first lighting device with a second lighting device associated with the zone of the physical area.

Abstract: A lighting control method and an electronic device using the same are provided. The method includes receiving pattern information for controlling lighting, generating lighting control information including brightness level information corresponding to operation time information based on the received pattern information, and transmitting the lighting control information.

Abstract: A lighting control system for use with LED light fixtures that facilitates precise current overload control to achieve transmission of a maximum amount of power across the low-voltage class II cable. The system using an active power control circuit to limit the power transmitted via the low-voltage cable. The system providing under voltage lockout, programmable soft starting, true short circuit protection, overvoltage shutdown and full dimming with the light fixtures being synchronized with no startup delay.

Abstract: An automated environment can include an accessory device that operates according to an automation rule, to take a prescribed action when a triggering condition occurs. A controller device for the automated environment can determine a user's regular routine and can detect when the user is deviating from the regular routine. The controller device can communicate with accessory devices in the automated environment to modify their behavior relative to the automation rules.

Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.

Abstract: An LED device for use with an AC voltage power source configured such that at least one LED emits light during a positive phase of power provided from an AC power supply and at least one LED emits light during the negative phase of power provided from an AC power supply. The LED device includes a first power connection lead and a second power connection lead, both leads capable of being connected to and receiving power from an AC power supply.

Abstract: In a light projector including a laser diode module suitable for forming a light bundle of color and dimensions that are determined from parallel light beams from each of the laser diodes in the module, there is provided a light-tight box, an optical system constituted by an off-axis parabolic mirror for receiving the light bundle and for focusing it, after reflecting it in a perpendicular direction onto the inlet of a sole outlet optical fiber of the box.

Abstract: A farming light control system includes: one or more rows of lighting devices provided in a sealed farming environment; and an interface module. One or more lighting devices in each of the one or more rows of lighting devices connect to a first end of the interface module via a communication line. Each of the one or more rows of lighting devices includes the one or more lighting devices. Each of the one or more lighting devices includes a green light emitting diode (LED), a blue LED, and a white LED. A second end of the interface module connects to a control module. The control module connects to the one or more rows of lighting devices via the interface module. Each of the lighting devices has different-color LED particles. The light emission states of the lighting devices are automatically controlled by the control module.

Abstract: A luminaire includes a universal driver control interface to control various types of driver circuits. The luminaire receives, via a voltage divider, an analog voltage feed as a first driver control signal from at least one driver control wire connected to a driver circuit. The luminaire converts, via an analog-to-digital converter, the analog voltage feed into a digital voltage value. The luminaire compares the digital voltage value with a respective range of unique voltage values in a voltage lookup table for each type of driver circuit to determine a respective type of driver circuit protocol. Based on the determined respective driver circuit protocol identifier and a light source control setting, the luminaire outputs a second driver control signal, via the at least one driver control wire, to the driver circuit.

Abstract: Controllers can be used to control the operation of various accessories. A group of accessories can be organized into an accessory network that can facilitate coordinated control of multiple accessories. The accessory network can be organized according to an environment model that can include a hierarchical representation of a physical environment where accessories are present. The environment model can be synchronized across different controllers that have access to the accessories.

Abstract: The present invention discloses a lighting system, comprising: an emergency power supply assembly, a lighting assembly, at least one first electrical connection for connecting the emergency power supply assembly, and at least one second electrical connection for connecting the lighting assembly, wherein the at least one first electrical connector and the at least one second electrical connector work with each other to form a quick connection between the emergency power supply assembly and the lighting assembly. The present invention also discloses an emergency power supply assembly. The present invention further discloses a lighting assembly. The present invention also discloses a lighting system installation method.

Abstract: An automated environment can include an accessory device that operates according to an automation rule, to take a prescribed action when a triggering condition occurs. A controller device for the automated environment can determine a user's regular routine and can detect when the user is deviating from the regular routine. The controller device can communicate with accessory devices in the automated environment to modify their behavior relative to the automation rules.

Abstract: The present invention relates to a display device comprising at least one display unit and an illumination device for illuminating an edge region of the at least one display unit. The invention further relates to a method for operating such a display device and to an entertainment device comprising such a display device. The display device according to the invention comprises, in addition to the at least one display unit and the illumination device, at least one determination means for determining a color information from an image block of the at least one display unit, and further comprises a color control means for controlling the color and/or color spectrum of the light emitted by the illumination device as a function of the color information. The color information can be obtained from the light which is actually emitted by the display unit in said image block, for which a light detection device having an observation region that is limited to the image block can be provided.

Abstract: An LED driving circuit, an LED driving method, and a liquid crystal display device, which prevent deterioration of display quality by effectively shortening the time required for starting the LED backlight and stabilizing the driving operations are provided. The LED driving circuit for controlling an LED circuit constituted with one LED or two or more LEDs includes: a duty ratio adjusting circuit unit which generates/outputs adjusting signals for adjusting drive of the LED based on a PWM dimming signal inputted from outside; and a booster circuit unit which applies driving voltages to the LED circuit according to the adjusting signal outputted from the duty ratio adjusting circuit unit. The duty ratio adjusting circuit unit sets the adjusting signal to have a larger duty ratio than that of the PWM dimming signal within an adjusting period set after the power is supplied until the LED circuit starts to connect electrically.

Abstract: In accordance with certain embodiments, flexible light sheets are folded to define first and second portions of the light sheet divided by the fold, and the first and second portions of the light sheet may both feature light-emitting elements thereon.

Abstract: In order to make flexible, reliable lighting possible for industrial image processing, it is provided that a lighting unit (2), having a lighting device (5) comprising a number of light sources (6), receives a set value of the lighting via a data bus from a lighting control unit (10), that the lighting unit (2) captures a state variable (Z) of the lighting unit (2) and/or the surroundings of the lighting unit (2), and that the lighting unit (2) adjusts the set value in a closed control loop separately and independently from the lighting control unit (10) in that a control variable for at least one light source (6) is calculated in the lighting unit (2) and adjusted at the at least one light source (6).