Abstract: An apparatus, system, and method for an automatic dimming and color adjusting backlight LEDs of wall mounted control device buttons. The control device comprises a light sensor that detects light levels in a room where the control device is installed. The control device comprises a controller that operates the backlight LEDs according to day color setting when it receive a light level reading from the light sensor that is above a day/night threshold and according to a night color setting when it receives a light level reading from the light sensor that is below the day/night threshold. In addition, the controller dims the backlight LEDs based on the detected light level readings according an indication mode dimming curve when the backlight LEDs are in an indication mode and according to a backlight mode dimming curve when the backlight LEDs are in a backlight mode.

Abstract: An adapter includes a power input and output, a control input and output, a detection module, and a signal conversion module. The control input is configured to receive an original driver signal. The detection module is in signal communication with the control input and is configured to detect a first communication protocol of the original driver signal. The signal conversion module is in signal communication with the detection module and is configured to convert the original driver signal into an LED-compatible driver signal that includes a second communication protocol that is different from the first communication protocol. The control output is in signal communication with the signal conversion module and is configured to facilitate transmission of the LED-compatible driver signal to an LED light fixture. The signal conversion module is configured to convert the original driver signal into the LED-compatible driver signal based upon the first and second communication protocols.

Abstract: A backlight apparatus includes a circuit board, a control board, and a connection cable connecting the above components. A first light source driver and a second light source driver are disposed on the circuit board and are electrically connected to a plurality of first light sources and a plurality of second light sources respectively. A connector is disposed on the circuit board. The first and second light source drivers are individually electrically coupled in series to the connector. The control board outputs electrical power, a first data stream, and a second data stream. The first light source driver controls the first light sources to light individually according to the first data stream. The second light source driver controls the second light sources to light individually according to the second data stream. Thereby, the circuit board can control the operation of the light sources individually.

Abstract: A light bulb apparatus includes a cap connector, a light source, a heat sink module, a bulb shell and a reflective layer. The cap connector is used for connecting to an external power source. The bulb shell has a bottom part and a neck part. The reflective layer is disposed at the bottom part of the bulb shell for guiding a first light emitted from the LED module on the reflective layer to escape from the neck part of the bulb shell.

Abstract: Enhancements to ornamental or holiday lighting are disclosed including remote control ornamental illumination with color pallet control whereby a user can vary the color/intensity/appearance of an individual bulb or entire light string by selecting the electronic address of the bulb and selecting its attribute. Further disclosures include: motion responsive lights which respond to sensed movement, gesture controlled lights, adjustable white color/white led sets, connectable multi-function lights, controller to sequence lights to music or other input source, rotating projection led light/tree top/table top unit, and remote controlled sequencing icicle lights and ornament lighting system.

Abstract: An illumination device comprises one or more emitter modules having improved thermal and electrical characteristics. According to one embodiment, each emitter module comprises a plurality of light emitting diodes (LEDs) configured for producing illumination for the illumination device, one or more photodetectors configured for detecting the illumination produced by the plurality of LEDs, a substrate upon which the plurality of LEDs and the one or more photodetectors are mounted, wherein the substrate is configured to provide a relatively high thermal impedance in the lateral direction, and a relatively low thermal impedance in the vertical direction, and a primary optics structure coupled to the substrate for encapsulating the plurality of LEDs and the one or more photodetectors within the primary optics structure.

Abstract: A control device configured for use in a load control system to control one or more electrical loads may comprise an actuation member having a front surface defining a touch sensitive surface configured to detect a point actuation along at least a portion of the front surface, a touch sensitive circuit, and a control circuit. The touch sensitive device may comprise one or more receiving capacitive touch pads located behind the actuation member and arranged in a linear array adjacent to the touch sensitive surface. The control circuit may be configured to operate using different filtering techniques based on the state/mode of the control device and/or based on whether the positions of point actuations by a user along the touch sensitive surface indicate a fine tune or gross adjustment by the user. For example, the control circuit may generate an output signal using light/no filtering or using heavy filtering.

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 to indicate a type of the master dimmer, and the at least one accessory dimmer is structured to selectively enable or disable one or more functions of the at least one accessory dimmer based on the type of the master dimmer.

Abstract: A light emitting diode (LED) with a melanopic emission spectrum can comprise a primary light source and a phosphor. The primary light source can comprise an emission spectrum comprising a first peak centered at a wavelength from 480 nm to 500 nm. The phosphor, when excited, can comprise an emission spectrum with a second peak centered at a wavelength from 640 nm to 750 nm, and the intensity of the first peak is greater than the intensity of the second peak. A light emitting apparatus can comprise a first LED with a traditional white light emission spectrum, and a second LED with a melanopic emission spectrum. The light emitted from the apparatus can comprise chromaticity coordinates, in the CIE 1931 color space diagram using the 196410° Supplementary Standard Observer, that are within a one-step MacAdam ellipse from the black body locus with chromaticity coordinate x from 0.34 to 0.45.

Abstract: A method for reducing the maximum demand of the current received by an LED matrix from a current source. Each LED of the LED matrix receiving a pulse width-modulated current from the current source, an activation period being assigned to each LED in an elementary period of the pulse width-modulated current, and/or a deactivation period is assigned, in which no current flows through the LED, the activation period and the deactivation period being able to be equal in length or shorter than the elementary period, and in the case that the activation period assigned to one of the LEDs and the deactivation period assigned to this LED are shorter than an elementary period, the activation period begins at an activation point in time and ends at a deactivation point in time, and the deactivation period begins at the deactivation point in time and ends at the activation point in time.

Abstract: A method, system, apparatus, and program for scheduling and controlling light towers in the field and receiving detailed reports relating to the same. The system for light tower control includes a telematics platform, a telematics device; and a light tower. The telematics platform is configured to transmit and receive a UDP message over a cellular network, wherein a transmitted UDP message contains a control signal for turning ON or OFF a light tower. The telematics device is configured to receive the UDP message and configure a voltage output of the telematics device based on the control signal. If the control signal is ON the voltage output of the telematics device is changed from Low to High and if the control signal is OFF the voltage output of the telematics device is changed from High to Low. A relay controller of the light tower turns the light tower ON if the output voltage of the telematics device is High and turns the light tower OFF if the output voltage of the telematics device is Low.

Abstract: Methods and systems for controlling compound ramps in LED luminaires and lighting circuits are disclosed. In a compound ramp, the light output of one set of LED light engines increases while the light output of another set of LED light engines decreases. During such a ramp, the methods and systems may control the total light output to keep it relatively constant. In some embodiments, the methods and systems may also control the color of the emitted light maintain ideal color characteristics.

Abstract: A socket assembly comprises a base frame formed of a thermally conductive material holding a light emitting diode (LED) package to a support structure, a contact element electrically contacting the LED package, and an isolator PCB. The LED package includes an LED PCB having an LED mounted on the LED PCB. The base frame includes a base mounted to the support structure and mechanically engaging the LED PCB so that the LED package is attached to the support structure with a predetermined holding force. The contact element electrically connects the isolator PCB to the LED PCB. The isolator PCB supplies electrical power to the LED. The isolator PCB has a first surface and a second surface; the second surface is in heat transmitting contact with the base frame and the electronic component is disposed on the first surface of the isolator PCB and electrically connected to the LED.

Abstract: A computer-implemented method comprising receiving and parsing an electrical grid design file to define a plurality of grid objects comprising a power source and a plurality of power lines, generating a grid status data structure comprising a grid coordinate display and the pluralities of grid objects and power lines, assigning electrical properties to and defining location and connection coordinates for the grid objects, defining end coordinates for the power lines, defining electrical connections, associating sensors with the grid objects and power lines, identifying power sources for each grid object, receiving and updating sensor information, and generating and transmitting a display file responsive to the sensor information.

Abstract: A lighting control system that may incorporate a mobile device a signal circuit connected to the mobile device, a lighting controller connected to signal circuit, and one or more lighting fixtures that are controllable connected to the lighting controller. There also may be one or more beacons. The signal circuit may be on the web. The connections may be wire or wireless. The one or more lighting fixtures provide visual light communication to the mobile device. The one or more beacons broadcast signals that are detected for location by the mobile device. One or more controls of the one or more light fixtures, respectively, may appear on a display when the mobile device is capable of receiving light directly from the one or more light fixtures.

Abstract: The present disclosure provides an intelligent lighting control apparatus for automated lighting adjustments based on sensor and alarm signals. A light control apparatus detects a signal, such as an alarm signal and a sensor signal, from an electronic device, such as a mobile electronic device and a security system, or a sensor device, such as a motion detector. The light control apparatus is configured to select a scene based on the detected signal and modulate a flow of electrical current to a lighting circuit controlled by the light control apparatus according to one or more parameters of the selected scene.

Abstract: An LED CoB structure with the combination use of blue and red LED dies is used to achieve warm white light, with good quantum conversion efficiency at a reasonably low cost. Both the red and blue LED dies are fabricated on transparent substrates. The current density of the LED dies is designed to match the different degradation rate of each type of LED die. The methods used to achieve high efficiency include adjusting the power, wavelength, and/or position of the dies.

Abstract: An exposure head that exposes a photosensitive member to light includes a plurality of light-emitting element array chips mounted on one surface of a board, a connector mounted on the other surface of the board, and a first driver IC and a second driver IC that are connected to the connector and drive the light-emitting element array chips, wherein the first driver IC is placed on one side of the board with respect to the connector in the longitudinal direction of the board, and the second driver IC is placed on the other side of the board with respect to the connector in the longitudinal direction of the board.

Abstract: A lighting apparatus can include a light source, a communication circuit, and a controller. The light source can emit visible light and be powered by a power signal. The communication circuit can wirelessly communicate with an electronic device and be in a first mode in which wireless communication by the communication circuit is enabled and a second mode in which wireless communication by the communication circuit is disabled. The controller can: activate and deactivate the light source; detect a set change in the power signal over a period of time when the communication circuit is in the second mode; and responsive to detecting the set change, cause the communication circuit to transition from being in the second mode to being in the first mode.

Abstract: A driving circuit and a method for a backlight using light-emitting diodes, LED, the backlight having a first and second segment is presented. A driving circuit for an LED backlight with a first and second segment has a first terminal, a second terminal for sensing a first signal, a third terminal for connecting to a first current generating unit for providing a first driving current, a first current regulation circuit, a fourth terminal for sensing a second signal, a fifth terminal for connecting to a second current generating unit, a second current regulation circuit for controlling the second current generating unit, and a control unit which is prepared to adjust the supply voltage and to adjust the first and/or second driving current in dependence on the first and the second signal by means of the first and/or the second current regulation circuits.

Abstract: The present disclosure describes an electronic device that is capable of coordinating the control of various types of lights. For example, the electronic device may receive data indicating conditions for activating the light emitters. The electronic device may then obtain sensor data generated by various sensors, such as motion sensors, light sensors, or a timer. Using the sensor data, the electronic device may determine that the conditions are satisfied and, in response, cause the light emitters to activate. To activate a first type of light emitters, the electronic device may cause power to be provided to the first type of emitters via connectors. Additionally, to activate additional types of light emitters, the electronic device may transmit signals to the additional types of light emitters that include commands to activate. The additional types of light emitters may be powered by the electronic device or external power sources.

Abstract: An LED driver has outputs to drive LEDs in groups of different colour temperatures. An input is configured to receive setpoint information, and a control device is configured to determine a combined LED setpoint intensity for the groups and a combined LED setpoint colour temperature for the groups, from the LED setpoint information. If the LED setpoint intensity is above a threshold, the control device operates the LED driver outputs to mix the LED group outputs to jointly achieve the LED setpoint intensity and the LED setpoint colour temperature. If the LED setpoint intensity is below the threshold, the control device selects a single LED group, operates the LED driver output associated with the selected LED group to drive that one LED group at the LED setpoint intensity, and operates the remaining LED driver outputs to drive the remaining LED groups at zero LED intensity.

Abstract: An advance light emitting diode luminaire is disclosed. According to one embodiment, an apparatus comprises a first LED array, wherein the first LED array outputs first light in a downward direction. The apparatus includes a second LED array, wherein the second LED array outputs second light in an upward direction. The apparatus further comprises a harp between the first LED array and the second LED array.

Abstract: A method for unbalancing a tri-level switching regulator uses hysteretic control when switching across multiple states of the tri-level switching regulator. The method includes determining a battery voltage and an output voltage of the tri-level switching regulator. The method also includes dynamically adjusting at least one of a first hysteretic window of a first hysteretic comparator associated with a second switching state of the tri-level switching regulator and a second hysteretic window of a second hysteretic comparator associated with a first switching state of the tri-level switching regulator based on the battery voltage and the output voltage.

Abstract: At least partially capped nanocrystals and nanocomposites containing the nanocrystals are described herein along with products, uses and methods of making.

Abstract: An example device is configured to emit a first light having a first luminous flux and a peak intensity at a first wavelength that is greater than or equal to 400 nanometers (nm) and less than or equal to 480 nm. The first luminous flux is variable and/or the emission of the first light is interrupted one or more times. The device is also configured to emit a second light having a second luminous flux and a peak intensity at a second wavelength that is greater than or equal to 500 nm and less than or equal to 630 nm. The second luminous flux is variable and/or the emission of the second light is interrupted one or more times. The first luminous flux is at a maximum at least during a time at which the second luminous flux is not at a maximum.

Abstract: A load control device may be configured to control multiple characteristics of one or more electrical loads such as the intensity and color of a lighting load. The load control device may switch from controlling one characteristic of the electrical loads to controlling another characteristic of the electrical loads based on the position of one or more components of the load control device. Such a position may be manipulated by moving the one or more components relative to an idle position of the load control device. The load control device may be a wall-mounted device or a battery-powered remote control device.

Abstract: Systems and methods for operating a hoist and hook assembly may determine a position of a target using a position sensor. A hook assembly may be positioned in response to the position of the target as detected by the position sensor. Positioning the hook assembly may include articulating a boom coupled to a hoist, using one or more local thrust sources on the hook assembly, and/or moving an airframe relative to the position of the target.

Abstract: Some aspects of the present embodiments provide a plurality of exterior lighting devices that are communicatively linked and capable of simultaneous (or near simultaneous) activation. At least a subset of the lighting devices may have cameras that enable live viewing (and/or later viewing of recorded footage) of the area around each lighting device (e.g., by the property owner, by law enforcement, or by any other authorized person or entity), and speakers that are capable of providing live verbal warnings (and/or automatic audible warnings) to intruders. Some of the present embodiments may enable the user to remotely control the light and/or sound emitted from the lighting devices.

Abstract: A light-emitting module and a tandem light-emitting device include an insulating housing, a control chip, a light-emitting unit, and a plurality of pins. The insulating housing has an upper accommodating space and a lower accommodating space, the lower accommodating space is below the upper accommodating space directly, and the upper accommodating space forms an opening at the upper end of the insulating housing. The control chip is located in the lower accommodating space. The light-emitting unit is located in the upper accommodating space and is electrically connected to the control chip. A plurality of pins are exposed outside the insulating housing. The control chip can receive an electrical signal transmitted by an external control device through the pins to control the illumination of the light-emitting unit.

Abstract: Methods and systems are provided for a light-emitting diode (LED) drive circuit of an optical probe. As an example, a method for an optical probe including an LED in an LED drive circuit comprises reducing power consumption of the LED drive circuit by adjusting a drive voltage of the LED drive circuit based on one or more LED drive circuit characteristics and one or more LED drive circuit operating parameters. In this way, the LED drive circuit may be efficiently operated.

Abstract: Methods and systems are described for controlling parameters in a building. According to at least one embodiment, a method for controlling parameters in a building includes using a first sensor type to determine whether the building is occupied and using a second sensor type to determine how reliable the first sensor type determines occupancy.

Abstract: A method of controlling output devices (10) comprises receiving inputs (12) from sensor devices (14), accessing location information (16) defining the location of each sensor device (14), generating a grid (18) from the received inputs (12) and the accessed location information (16), the grid (18) containing non-zero values (20) at the locations of the sensor devices (14) for which an input (12) has been received and containing non-zero values (20) at locations related to the locations of the sensor devices (14) for which an input (12) has been received, accessing location information (22) defining the location of each output device (10), and transmitting outputs (24) to those output devices (10) whose value at the location of the respective output device (10) within the grid (18) is above a predetermined threshold.

Abstract: A kind of double color temperature lamp, which includes: a base that includes the power access terminal of electrical connection, the driving power supply and the circuit switch. The circuit switch has multiple levels; a luminous module that comprises the high color temperature lamp bead module and the low color temperature lamp bead module. The high color temperature lamp bead module and the low color temperature lamp bead module are respectively electrically connected to multiple levels of the circuit switch. The double color temperature lamp of the present invention adjusts the high color temperature lamp bead module and the low color temperature lamp bead module through the circuit switch, and simplifies the circuit structure of the double color temperature lamp.

Abstract: A graphical user interface (GUI) is provided for configuring timed events synchronized with recorded media. The GUI includes a plurality of fader bars representing a light intensity of corresponding light channels and a media pane representing a timed progression of a selected piece of media. A set of time stamps are created in the media pane, each time stamp configuring at least one timed event synchronized with a corresponding time instant of the recorded media, wherein the time stamp is represented by a visual element within the media pane. At least one timed event configured by the time stamp includes triggering of at least one of the set of light channels at the corresponding time instant of the recorded media at a configured light intensity, wherein a corresponding fader bar displays the configured light intensity.

Abstract: A headlamp system for a vehicle is provided that includes: a headlamp comprising a photochromic lens, a primary light source for transmitting a headlamp pattern through the lens and a secondary light source; an imaging sensor; and a controller that directs the secondary light source to darken a portion of the lens in response to an object exterior to the vehicle sensed by the sensor.

Abstract: A pixel-controlled LED light includes a plurality of LED modules and a controller. Each LED module includes at least one LED and a LED drive apparatus. The LED drive apparatus burns a counting ordinal number according to connection sequence thereof. The controller defines the counting ordinal number of the LED modules which need to be changed their light modes as a target value, and sequentially transmits light mode data whose number is greater than or equal to the target value to each of the LED modules. The LED drive apparatuses sequentially receive the light mode data for counting. If the sequence of the light mode data meets to the counting ordinal number of the LED drive apparatus, the LED drive apparatuses identify the light mode data that are met, and after identifying the light mode data, the LED drive apparatuses control the corresponding at least one LED.

Abstract: A bidirectional three-phase direct current (DC)/DC converter and method are disclosed. The converter comprises a primary side comprising a DC bus having a positive side and a negative side, a first set of rectifiers connected between the positive side and the negative side of the DC bus, a first set of M resonant tanks connected to a respective rectifier of the first set of rectifiers and a first set of M transformers. Each transformer is connected to a respective resonant tank. Each resonant tank comprises a resonant capacitor and a resonant inductor. The secondary side of the converter is fully symmetrical to the primary side of the converter to ensure that the conversion gain in the forward and reverse directions is the same.

Abstract: An electronic device (1) is configured to receive one or more wireless signals from one or more beacon systems (21-23). The one or more wireless signals identify the one or more beacon systems. The electronic device is further configured to identify local beacon systems (21-24) which are present in the same area as the electronic device, e.g. from a manual configuration, determine a quantity of the local beacon systems and/or locations of the local beacon systems, and provide one or more location-based functions based on the one or more wireless signals in dependence on the quantity of the local beacon systems and/or the locations of the local beacon systems.

Abstract: A micro light-emitting diode display including a column of first/second micro light-emitting diodes and a first/second/third/fourth type column data line is provided. The first type column data line is configured to provide first data voltages to some of the first micro light-emitting diodes. The second type column data line is configured to provide second data voltages to a remaining of the first micro light-emitting diodes. The second type column data line is not crossed over by other data lines. The third type column data line is configured to provide third data voltages to some of the second micro light-emitting diodes. The third type column data line is not crossed over by other data lines. The fourth type column data line is configured to provide fourth data voltages to a remaining of the second micro light-emitting diodes.

Abstract: A light emitting element control circuit and power supply for a solid state lamp includes an electrical control circuit controller which enables the operation of a solid state lamp in three distinct modes, which allows the user significant flexibility in operation of the lamp. It enables the user to operate the lamp with a fixed emission spectrum but with intensity control (Mode I); or with discrete settings of blue only or red only or a fixed ratio of the two (Mode II); or an on-demand ratio of blue to red emission whereby the user can operate the lamp with any arbitrary ratio of blue to red for example to meet different spectral requirements of, for example, different phases of plant growth (Mode III).

Abstract: A decorative LED light string structure comprises a plurality of LED light-emitting units, each of the units comprises an RGB light-emitting diode and a control IC, a common pin of the RGB light-emitting diode is connected to a positive power terminal of the control IC, three electrode pins of the RGB light-emitting diode are respectively connected to three control terminals of the control IC correspondingly, one of the electrode pins of the RGB light-emitting diode is connected with a voltage amplifier circuit, an output terminal of the voltage amplifier circuit is connected to a write terminal of the control IC, and the LED light-emitting units are connected in series or in parallel through the positive and negative power terminals of the control ICs. A method for assembling a decorative LED light string comprising the following steps: assembling an LED light string; encoding and inputting address code; and forming address code.

Abstract: A lighting control operating unit generating digital adjusting commands which are transmitted to a processing unit via a data link includes several control elements, including key buttons, slide controls and/or rotary controls, which are disposed at the upper side of a housing. At least one dual encoder is provided in a control panel of the lighting control operating unit allowing users to enter input values. The dual encoder presents a first shaft rotatably mounted in a housing, and a second shaft mounted in the housing so as to be coaxially rotatable, and corresponding first and second rotation signal generators Both shafts include actuating elements transmitting adjusting movements. The actuating elements are a rotary disk and/or a rotary swivel configured to be coaxially turned in opposite directions.

Abstract: A load control device for controlling power delivered from an alternating-current power source to an electrical load may comprise a controllably conductive device, a control circuit, and an overcurrent protection circuit that is configured to be disabled when the controllably conductive device is non-conductive. The control circuit may be configured to control the controllably conductive device to be non-conductive at the beginning of each half-cycle of the AC power source and to render the controllably conductive device conductive at a firing time during each half-cycle (e.g., using a forward phase-control dimming technique). The overcurrent protection circuit may be configured to render the controllably conductive device non-conductive in the event of an overcurrent condition in the controllably conductive device.

Abstract: A semiconductor light source control apparatus includes a semiconductor light source that emits light in accordance with a current, a detection resistor that generates a detection voltage by the current flowing in the semiconductor light source; and a power supply current control apparatus that controls the current flowing in the semiconductor light source based on the detection voltage. The semiconductor light source control apparatus pulse-width-modulates (PWM) the current flowing in the semiconductor light source for respective ones of a plurality of color intervals to adjust brightness and color tone of output light from the semiconductor light source. An amplitude of the current flowing in the semiconductor light source is controlled only in a predetermined color interval when a duty value of the PWM is maximum.

Abstract: An I2C and Manchester multiple serial interface LED driver programmer has a programmer that changes the operation parameters in the EEPROM of the LED driver via a computer graphic user interface. The LED driver operation is thus programmed according to the parameters stored in the EEPROM. The multiple interfaces are selectable as USB-to-I2C, RS232-to-I2C, USB-to-TxD/RxD, RS232-to-TxD/RxD and 3rd via a pass through USB-to-USB port for expanded LED programming interface such as Near Field Communication. The I2C and Manchester multiple serial interface LED driver has multiple output interface with USB-to-I2C, RS232-to-I2C, USB-to-TxD/RxD, RS232-to-TxD/RxD and third pass through USB-to-USB port for Near Field Communication interface.

Abstract: The present application discloses a visual persistence display device and a video display device, wherein the visual persistence display device comprises: an electric motor, an RGB display unit, an RGB driving member and a control unit, wherein the control unit controls the operation of the motor unit, the RGB display unit rotates at a preset speed under the driving of the electric motor to form an image display surface, the control unit obtains the video code stream and decodes the video stream, and obtains the pixel data stream and sends it to the RGB driving unit; and the pixel data stream and the timing sequence control signal are sent to the RGB display unit for display so that the persistence of vision display can display more abundant.

Abstract: Power is provided to a powered device (PD) over a data cable from power sourcing equipment (PSE). A signature resistance of the device is detected through the data cable. If the signature resistance is in a first range, power is provided to the PD from the PSE over the data cable in a matter compliant with an IEEE standard for power over Ethernet (PoE). If the signature resistance is in a second range, information is received from the PD over the data cable and the existence of the PD is exposed by the PSE over a computer network. A command to control the PD is received by the PSE over the computer network and a power signal is provided to the PD from the PSE based on the command and the received information.

Abstract: Systems and methods for reconfiguration of illumination products are presented. An illumination product comprises components that implement a device access framework to facilitate access to the configuration of the illumination product by external components. Components internal to or otherwise associated with the illumination product codify various configuration parameters associated with the illumination product in one or more files (e.g., text files) and/or file attributes (e.g., filenames). One or more external components coupled to the internal components use a file access API to read from, write to, and/or otherwise manipulate the files (e.g., modify file content and/or file attributes) so as to access and/or affect the configuration parameters. Changes to the configuration parameters invoked by the external components are detected by the internal components and applied to the configuration (e.g., operational settings) of the illumination product.

Abstract: A lighting apparatus including an LED circuit including a plurality of serially connected stages configured to receive a modulated rectified voltage, each of the stages including a first path including a first resistor and a first LED connected in series, and a second path connected to the first path in parallel and including a second LED configured to emit light having a color temperature different from that emitted from the first LED, and a driving current controller configured to adjust an intensity of light output from the LED circuit by adjusting currents applied to driving nodes connected to the stages, depending on a dimming signal associated with a dimming level of the rectified voltage, in which a threshold voltage of the first LED is lower than that of the second LED.