Abstract: A tunable lighting system includes a first LED having a first spectral output, a second LED having a second spectral output, and a correction circuit including a correction LED. The correction circuit in the tunable lighting system controls the correction LED to emit light that, when combined with light output from the first LED and light output from the second LED, produces a selected spectral characteristic.

Abstract: The invention relates to the technical field of shoe lights; in particular, to a shoe light device capable of flashing in different modes and a driving method thereof. A motion sensor, an integrated chip and a light-emitting device are integrated on a shoe, and the motion sensor and the light-emitting device are electrically connected to the integrated chip. The integrated chip is configured to control the light-emitting device to emit light in a preset constant-sequence output mode when the duration of reception of pulse signals generated by the motion sensor reaches a preset threshold, so that trigger control over the light-emitting device is realized. The shoe light device capable of flashing in different modes has the advantages of high integrity of elements, simple structure, simple production process, and various integrated cyclic output modes for flashing of the light-emitting device.

Abstract: A system for controlling a display in which each pixel circuit comprises a light-emitting device, a drive transistor, a storage capacitor, a reference voltage source, and a programming voltage source. The storage capacitor stores a voltage equal to the difference between the reference voltage and the programming voltage, and a controller supplies a programming voltage that is a calibrated voltage for a known target current, reads the actual current passing through the drive transistor to a monitor line, turns off the light emitting device while modifying the calibrated voltage to make the current supplied through the drive transistor substantially the same as the target current, modifies the calibrated voltage to make the current supplied through the drive transistor substantially the same as the target current, and determines a current corresponding to the modified calibrated voltage based on predetermined current-voltage characteristics of the drive transistor.

Abstract: A lighting control system includes: a light fixture including a first light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from a prescribed value, a second light emitting device configured to emit light having a correlated color temperature in the range of ±500 K from the prescribed value, and an emission controller configured to cause the light fixture to irradiate illumination light by controlling irradiation percentages of the light emitted from the first light emitting device and the light emitted from the second light emitting device; and an information processing apparatus communicably connected to the light fixture, the information processing apparatus comprising a dimming controller configured to change the irradiation percentages of the light emitted from the first light emitting device and the second light emitting device in accordance with a time of day by transmitting dimming instructions.

Abstract: A color-mixing lighting control method is used for receiving an original color-mixing light data to control a color-mixing light source. The color-mixing light source includes a plurality of light-emitting elements to produce a plurality of emission colors. The original color-mixing light data includes a plurality of original light intensity values corresponding to the emission colors. The color-mixing lighting control method comprising: determining a maximum value of the original light intensity values; calculating the light intensity percentage of each of the emission colors in the original color-mixing light data according to the original light intensity values; generating the corrected light intensity value of each of the emission colors according to the maximum value and the light intensity percentage of each of the emission colors; and respectively controlling the light-emitting elements by using the corresponding corrected light intensity value of each of the emission colors.

Abstract: According to one embodiment, an electrostatic chuck includes a ceramic dielectric substrate, a base plate, and first and second porous parts. The ceramic dielectric substrate includes first and second major surfaces. The second major surface is opposite to the first major surface. The base plate supports the ceramic dielectric substrate and includes a gas feed channel. The first porous part is provided in the ceramic dielectric substrate and is opposite to the gas feed channel. The second porous part is provided in the base plate and is opposite to the gas feed channel. The ceramic dielectric substrate includes a first hole part positioned between the first major surface and the first porous part. The first porous part includes a first porous region including pores and a first dense region. The second porous part includes a second porous region including pores and a second dense region.

Abstract: A LED light apparatus includes a first light source, a second light source, a PWM generator, a control signal generator and a manual switch. Users operate the manual switch to adjust a duty ratio setting of the PWM generator for adjusting a first control signal and a second control signal for controlling the first light source and the second light source to generate a desired light.

Abstract: A method and controller for selecting media content based on a lighting scene, the method comprising: selecting the lighting scene, the lighting scene having properties comprising one or more lighting properties; determining one or more of the properties of the selected lighting scene; selecting media content based on the determined one or more of the properties, wherein the media content comprises audio content; controlling a media device to output the selected media content; and adjusting one or more of the lighting properties based on the audio content of the selected media content.

Abstract: A system using a handheld device for programming lighting instruments, which is operable on the DALI system, includes a wireless control module electronically connected and integrated with the DALI system; and a handheld device, having two-way communication with the wireless control module wirelessly. The handheld device has a graphical user interface wherein the graphical user interface has functional blocks. One functional block, which programs groups of functional blocks, includes menus. The screen of each menu is divided into first and second display areas. The handheld device accesses the initialized addresses of the lighting instruments in the DALI system from the wireless control module and displays the non-programmed icons of lighting instruments in the DALI system in the second display area. By dragging the lighting instrument icons displayed in the second display area into the first display area, programming groups of the lighting instruments can be accomplished.

Abstract: Systems and methods for an interactive modular lighting system are described. The lighting systems enable users to dynamically build a luminaire through a modular joining of individual light-emitting units, however such that risk of electrical failure is automatically prevented through a dynamic computation of electrical circuit properties and dynamic configuration of components. Additionally, lighting systems with granular and configurable touch sensing are described, wherein a user's interaction with the lighting system can be coupled to actuation of properties of the lighting system or of properties of other devices in communication with the lighting system. Illustrative embodiments of applications of said lighting systems in smart home and gaming are provided.

Abstract: A system and method are disclosed for lowering the sound levels in an indoor environment or space. The system detects and measures the sound decibel level, processes the information, and provides a control signal to a lighting control module. The lighting control module alters the intensity of the lights (dims or brightens) or wavelength of the light (color) in the environment. The dimming or color change of the lights is an indicator to the people in the environment to lower the sound in the environment.

Abstract: A method comprises detecting that a light device (61) which has not been commissioned into a lighting system has been added to the lighting system. The method further comprises determining whether the entertainment mode is active, adding the light device to the entertainment group (51,52,53) upon detecting that the light device has been added to the lighting system in dependence on the entertainment mode being active, and controlling the light device to render one or more light effects synchronized to the media content in the entertainment mode after the light device has been added to the entertainment group. The method further comprises detecting that the light device is unavailable and removing the light device from the entertainment group upon detecting that the light device is unavailable.

Abstract: An electronic device (1) is configured to obtain at least one image (81) captured with a camera. The at least one image captures one or more light effects (91,92). The electronic device is further configured to perform image analysis on the at least one image to identify one or more lighting devices (25,26) rendering the one or more light effects, receive one or more input signals comprising one or more current light settings of the identified one or more lighting devices, and output the one or more current light settings and an association between the one or more current light settings and the at least one image. A user of another device may be able to activate these one or more light settings on one or more of his own lighting devices by selecting the at least one image.

Abstract: A system (1) is configured to obtain a target light level, determine a first set of light settings for one or more lights (13,14,24,25) and/or a first set of daylight blocker settings for one or more daylight blockers (21,22) based on the target light level, control these devices based on the first set(s) of settings, and receive from a user device (31) information indicating a quality of a light-modulated data signal received by the user device from the one or more lights, as determined by the user device. The system is further configured to determine a second set of light settings based on the first set of light settings and the determined signal quality and/or a second set of daylight blocker settings based on the first set of daylight blocker settings and the determined signal quality and control these devices based on the second set(s) of settings.

Abstract: Lighting systems combine UV-A and white light with an adjustable CCT value so that any adverse effects from the UV-A radiation are mitigated—that is, tunable adjustments to the output of the non-UV LEDs, or to all of the LEDs, result in an overall mixed output conforming to a target CCT value.

Abstract: Lighting systems combine UV-A and white light with an adjustable CCT value so that any adverse effects from the UV-A radiation are mitigated—that is, tunable adjustments to the output of the non-UV LEDs, or to all of the LEDs, result in an overall mixed output conforming to a target CCT value.

Abstract: A chained flashlight system includes: plural flashlights; plural lighting control devices that control lighting of the plural flashlights, respectively; a communication wire; and a traffic control device. The plural lighting control devices include receiving units, controlling units, activating units, and power supply units, respectively and are coupled to the traffic control device by the communication wire. The traffic control device simultaneously sends an activating signal to the plural lighting control devices via the communication wire. The receiving units receive the activating signal. The controlling units activate the activating units based on a time from reception of the activating signal to activation of the activating units, set for the flashlights, respectively. When the power supply units are turned ON in an activated state of the activating units, respectively, the flashlights are lit by a lighting signal from the traffic control device, respectively.

Abstract: A system and method for providing high power factor wired lamp control that include receiving a lighting control input though a switch that is associated with at least one of: an operation and a function of at least one lamp. The system and method also include determining if an environment of the at least one lamp includes a connection between a neutral wire and the switch. The system and method additionally include communicating at least one electronic data command associated with the lighting control input to the at least one lamp through an AC power cycle. The system and method further include controlling the at least one lamp to operate based on the lighting control input based on the receipt of the at least one electronic data command communicated through the AC power cycle.

Abstract: A lighting control system, including a TRIAC dimmer, a wireless control apparatus, and a lighting apparatus. The lighting apparatus includes a rectifier circuit, a TRIAC dimming detection circuit, a dimming constant-current circuit, and a controller connected to the TRIAC dimming detection circuit and the dimming constant-current circuit. The controller is configured to, control the dimming constant-current circuit to perform dimming on the lighting load based on a brightness control signal, in response to receiving the brightness control signal sent by the wireless control apparatus, and control the dimming constant-current circuit to restore a default state to stop the wireless control apparatus from limiting the dimming constant-current circuit, in response to the TRIAC dimming detection circuit determining that a first preset operation is performed on the TRIAC dimmer.

Abstract: A lighting system (1) is disclosed, comprising at least one first light source (L1; 3; 4) and at least one second light source (L2; 3; 4) and at least one control unit (2). The at least one control unit (2) is configured to control the at least one first light source (L1; 3; 4) and the at least one second light source (L2; 3; 4), respectively, by changing at least the luminous flux of the emitted light, between at least a first state and a second state of the at least one first light source (L1; 3; 4) and the at least one second light source (L2; 3; 4), respectively, such that, for each of the at least one first light source (L1; 3; 4) and the at least one second light source (L2; 3; 4), the luminous flux of light emitted by the light source when in the second state is lower than the luminous flux of light emitted by the light source when in the first state.