| Entries |
| Document | Title | Date |
|---|
| 20080197782 | Method and System for Lighting Control - A method and a system for controlling at least one lighting arrangement ( | 08-21-2008 |
| 20080203928 | Method And System For Lighting Control - A method and a system for controlling at least one lighting arrangement ( | 08-28-2008 |
| 20080272701 | METHOD FOR DRIVING A LIGHT SOURCE AND BACKLIGHT ASSEMBLY EMPLOYING THE SAME - In a method of driving a light source, light generated by a light source is sensed in order to detect color coordinates of a red color, color coordinates of a green color and color coordinates of a blue color. A light source color space formed by the color coordinates of the red, green and blue colors is compared with a reference color space formed by red reference color coordinates, green reference color coordinates and blue reference color coordinates. Then, color temperature of the light generated by the light source is controlled so that the light source color space covers the reference color space. | 11-06-2008 |
| 20080272702 | Device for Determining Characteristics a Lighting Unit - The present invention relates to a device for determining characteristics of a lighting unit, comprising at least two flux sensor each having different wavelength characteristics and being arranged to measure light emitted from the lighting unit, yielding two measurements, and means for calculating a dominant wavelength and a real flux for the lighting unit based on the measurements and the sensors' wavelength characteristics. The present invention provides for a direct calculation of dominant wavelength and real flux without the need for predefined data about the light source or without performing additional measurements such as using temperature measurements. The present invention also relates to a system using such a device, and a corresponding method for determining characteristics of a lighting unit. | 11-06-2008 |
| 20080290803 | System and method for ambient-light adaptive intensity control for an electronic display - The techniques of the present invention relate to automatically controlling display intensity. The present invention includes a calibration step in which the display intensity settings are correlated to the ambient light intensity conditions. The present invention also includes an automatic adjustment step in which the ambient light intensity is measured and the display intensity is automatically adjusted according to a correlation defined in the calibration step. | 11-27-2008 |
| 20080315773 | LIGHT EMITTING DIODE DRIVING CIRCUIT - A LED driving circuit that may control current flow into an LED on a current path according to the amount of light sensed from the LED. An LED driving circuit for driving at least one LED may include at least one of: An optical sensor for receiving light emitted from the LED and generating a feedback signal having a level corresponding to an amount of the received light. A current regulator provided on a path through which current of the LED flows for regulating an amount of current flowing into the LED according to a comparison of the feedback signal with a first reference signal. | 12-25-2008 |
| 20090001893 | Method and system for luminance characterization - A system for luminance characterization of a luminaire includes a ballast coil and a multi-tap capacitor connected in series with the ballast coil. The multi-tap capacitor has a plurality of tap capacitors integrated into a capacitor housing. A plurality of switches are each coupled to one of the plurality of tap capacitors for selectively coupling the tap capacitors together to produce a multi-tap capacitance corresponding to a configuration of the plurality of switches. A lamp is connected in series with the multi-tap capacitor and the ballast coil. A photometer is located to measure light intensity of the lamp and to produce a lumen output measurement. A memory is used to store a database having a plurality of lumen output measurements, each corresponding to a multi-tap capacitance corresponding to all configurations of the plurality of switches. | 01-01-2009 |
| 20090009092 | LIGHT EMITTING DIODE (LED) CONTROL - Apparatus and a method are disclosed for providing illumination from at least one light emitting diode lighting fixture. Each lighting fixture includes a respective LED array and the method includes the steps of determining at least one parameter associated with the LED array and supplying drive signals to light LEDs in the LED array responsive to the parameter thereby providing illumination having a desired characteristic from said lighting fixture. | 01-08-2009 |
| 20090033229 | MANUFACTURING METHOD FOR LUMINOUS BODY, LUMINOUS BODY, AND LIGHT-EMITTING APPARATUS - In a high luminance, long-life luminous body, a method for manufacturing the luminous body, and a light-emitting apparatus according to the present invention, an inorganic EL device, which is formed by stacking a back electrode, a dielectric layer, a luminescent layer, a dielectric layer, and a transparent electrode in that order, is used. An activator containing Pr, Mn, and Au is mixed into a base material comprised of strontium sulfide (SrS) and the resulting mixture is heated to activate the base material. Then GaAs and InP are added to the mixture, following which the mixture thus prepared is baked in a nitrogen atmosphere containing sulfur gas to produce the luminous body. By mixing the luminous body thus prepared and an ultraviolet curing dielectric substance, the luminescent layer can be obtained. | 02-05-2009 |
| 20090072748 | Backlight control circuit having a duty ratio determining unit and method for controlling lighting of a lamp using same - An exemplary backlight control circuit includes a lamp, a transformer, and a lamp driving circuit. The lamp driving circuit includes a duty ratio determining unit, a duty ratio adjusting unit, and an output unit. The output unit is configured for outputting two pulse signals having a same duty ratio and opposite phases to the transformer. The transformer is configured for generating an alternating voltage for driving the lamp. The duty ratio determining unit is configured for determining if the duty ratio of the pulse signals is in a predetermined duty ratio range. The duty ratio adjusting unit is configured for adjusting the duty ratio of the pulse signals in order to adjust a brightness of the lamp. | 03-19-2009 |
| 20090140656 | LIGHT SOURCE CONTROL DEVICE, ILLUMINATON DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light emission device capable of holding a uniform color in various environments. A light source control device has a light detection device for detecting emission brightness of light sources that emit different colors and controlling emission brightness of at least one light source of the light sources based on the detection result of the light detection device. A through-hole is formed in a reflection member for reflecting light emitted from the light source, and the reflection is in a predetermined direction. The light detection device is provided across the reflection member from the light source, and the light propagation member is provided at the through-hole. | 06-04-2009 |
| 20090167193 | IMAGE-PROCESSING EQUIPMENTS, IMAGE-PROCESSING METHOD, PROGRAM, AND RECORDING MEDIUM - An image display apparatus which represents a grayscale by pulse-width modulation driving of a display element includes: a light source which illuminates the display element; a light source driving part which drives the light source; a photodetector which detects the emission intensity of light emitted from the light source; a sample-and-holder which obtains the emission intensity of the light source by the photodetector at a predetermined timing in a light emission period of the light source; and a compensation current generating part which (i) obtains the manner in which the emission intensity of the light source changes on the basis of a first sample value obtained at a first timing by the sample-and-holder and of a second sample value obtained at a second timing by the sample-and-holder or a predetermined target value of the emission intensity; and (ii) controls the light source driving part for compensating the emission intensity of the light source on the basis of the obtained manner in which the emission intensity changes. | 07-02-2009 |
| 20090167194 | LIGHT EMISSION CONTROL SYSTEM AND IMAGE DISPLAY SYSTEM - The present invention provides a light emission control system including a plurality of light emitting modules each including a plurality of light emitting elements and each being a unit to be controlled, light emitting module controllers each provided for each of the light emitting modules and controlling a corresponding light emitting module, and central controller controlling the light emitting modules. The plurality of light emitting module controllers are divided into a plurality of groups, a plurality of light emitting module controllers belonging to each of the groups are connected in a cascade manner within the group, the plurality of groups are connected in parallel with the central controller, and control information transmitted from the central controller to each of the plurality of groups is sequentially transferred from a light emitting module controller to a following light emitting module controller in each of the groups. | 07-02-2009 |
| 20090174331 | BACKLIGHT DEVICE - A circuit to appropriately adjust the emission intensity of LEDs of various colors. By means of a first optical sensor | 07-09-2009 |
| 20090195164 | INTELLIGENT LIGHT FOR CONTROLLING LIGHTING LEVEL - An intelligent light, such as a light for connecting with a low voltage line, is provided. The intelligent light includes a light source for coupling with a low voltage line, and a processor in communication with the light source and the low voltage line. The processor determines a voltage on the low voltage line and operates intermittent switching of the light source as a function of the determined voltage and the intermittent switching used to maintain an output level of the light source. | 08-06-2009 |
| 20090206759 | Controlling system for illumination of a golf course and controlling method thereof - A controlling system for illumination of a golf course and a controlling method thereof are provided. The illumination controlling system is used for a golf course that has multiple holes. The illumination controlling system has multiple groups of lighting modules respectively corresponding to the multiple holes. Each group of lighting module comprises a plurality of light-emitting devices, a plurality of power devices having control circuit units and chargeable batteries, a plurality of solar panels, and a plurality of motion sensors. Each chargeable battery provides a first working voltage for each light-emitting device. Each control circuit unit connects electrically to utility power to supplies a second working voltage for each light-emitting device. Each motion sensor connects electrically with the control circuit unit of each power device for switching each light-emitting device. The controlling system and method are provided for saving energy of golf course. | 08-20-2009 |
| 20090230871 | Organic light emitting display device and method of driving the same - Provided are an organic light emitting display device coupled to a photoelectric transistor. The organic light emitting display device includes an anode and a cathode separated from each other, a plurality of organic material layers formed between the anode and the cathode and including an organic light emitting layer, a light source applying an excitation pulse to the organic material layers, and a light receiving unit measuring changes in photoluminescence (PL) signals that are emitted from the organic material layers. | 09-17-2009 |
| 20090243494 | LIGHT SOURCE DEVICE AND IMAGE DISPLAY APPARATUS - A light source device includes: a plurality of light emission units which emit light; a scattering unit which scatters at least a part of light received from the plural light emission units; a light detecting unit which detects a part of light emitted from the plural light emission units and scattered by the scattering unit; and a control unit which controls the plural light emission units based on detection result from the light detecting unit. | 10-01-2009 |
| 20100007279 | SYSTEMS AND METHODS FOR INCREASING OR OPTIMIZING THE OPTICAL CONTRAST RESPONSE OF MULTIPLE COLORS - Methods and systems are provided to increase or optimize the illumination used with a sensor to measure printed ink colors on a substrate at high speed (up to 3 m/s) and high resolution. By modifying the number of light sources, their wavelengths and/or their relative intensities, the optical contrast can be increased or optimized to yield a higher signal-to-noise ratio and improved accuracy for the measurement of multiple colors. In one implementation, multiple LEDs with selected output peak wavelength may be used to achieve higher contrast imaging for each color. | 01-14-2010 |
| 20100045190 | LED BACKLIGHT - An LED backlight controller is disclosed. One embodiment comprises a luminance regulator to generate a luminance control signal to adjust a luminance level in a LED backlight assembly, a timing controller to generate a dimming control signal to adjust a dimming level in the LED backlight assembly, wherein the dimming control signal is a pulse width modulated signal, and an LED driver circuit to receive the luminance control signal and the dimming control signal, the LED driver circuit further to generate an LED driver signal to provide to the LED backlight assembly, wherein the LED driver circuit is configured to control luminance by adjusting the current of the LED driver signal, and wherein the LED driver circuit is configured to adjust a dimming level in the LED backlight assembly by a change in the duty cycle for the dimming control signal. Other embodiments are described herein. | 02-25-2010 |
| 20100052545 | DETECTION APPARATUS AND METHOD - A detection apparatus determines whether an output of the light-receiving unit meets a predetermined reference level when the light emission amount of the light-emitting unit is changed, under a condition that the output of the light-receiving unit changes according to a change in a light emission amount of the light-emitting unit. The detection apparatus detects, based on the output from the light-receiving unit, that the light emitted from the light-emitting unit to the light-receiving unit is blocked, under a condition that the light-emitting unit is emitting light based on a light emission amount emitted from the light-emitting unit when it has been determined that the output of the light-receiving unit meets the predetermined reference level. | 03-04-2010 |
| 20100066255 | ADJUSTABLE COLOR SOLID STATE LIGHTING - A multi-channel light source has different channels for generating illumination of different channel colors corresponding to the different channels. An electrical power supply selectively energizes the channels using time division multiplexing to generate illumination of a selected time-averaged color. | 03-18-2010 |
| 20100072900 | SYSTEM AND METHOD FOR GENERATING LIGHT BY COLOR MIXING - The present invention relates to a method of generating light with a predetermined chromaticity value of a color gamut by color mixing of the light emitted by a plurality of light sources, each of which emits light with a primary color, the light sources being capable of emitting light with at least three primary colors, wherein at least a first and a second light source are used to emit light of at least one primary color. The object to provide a simple method of generating light with a predetermined and constant chromaticity value of a color gamut by color mixing of the light emitted by a plurality of light sources, which can even be advantageously used in display applications sequentially displaying primary colors, is achieved in that said first and said second light source emit light with different peak and/or dominant wavelengths, the chromaticity of the primary color generated by color mixing of the light emitted from said first and said second light source being adjusted to a predetermined and constant chromaticity value by controlling the ratio of intensities of said first and said second light source, and said chromaticity value of said primary-color light generated by color mixing is used to generate light by color mixing with the light of other primary color light sources. | 03-25-2010 |
| 20100141154 | BACKLIGHT MODULE AND METHOD OF CONTROLLING THE LUMINANCE OF THE BACKLIGHT MODULE - A backlight module includes a plurality of light sources, a photo-sensor, and a control circuit. Each light source of the plurality of light sources can operate independently. The photo-sensor detects the luminance of the plurality of light sources to generate a luminance signal. The control circuit drives the plurality of light sources according to the luminance signal. When the backlight module is used in a scanning backlight LCD, the control circuit turns off parts of the plurality of light sources according to a display signal. When all of the plurality of light sources is turned on, the control circuit obtains the luminance signal so as to adjust the luminance of the backlight module according to the luminance signal. | 06-10-2010 |
| 20100156302 | Method of Driving a Light Source, Light Source Apparatus for Performing the Method and Display Apparatus Having the Light Source Apparatus - A light source apparatus includes a light source module, a light sensor, a data converter, a light source controller and a light source driver. The light source module includes a light source. The light sensor generates sensing data by sensing the amount of light generated from the light source. The data converter converts the sensing data which exceeds a maximum value of reference data of a control range into converted sensing data within the control range. The light source controller generates a control signal for controlling the amount of light from the light source based upon the sensing data corresponding to no more than the maximum value or based upon the converted sensing data. The light source driver drives the light source by providing the light source with a driving signal based upon the control signal. | 06-24-2010 |
| 20100164387 | SUPERVISION OF AN ILLUMINATION DEVICE - The invention relates to an illumination device ( | 07-01-2010 |
| 20100164388 | LUMINOUS SYSTEM AND METHOD WITH A CHANGEABLE COLOR LIGHT - A luminous system with a changeable color light applicable to an electronic device is provided. The system includes a light emitter for emitting a first light to outside of the electronic device, a color sensor for receiving a second light that is the reflection of the first light from an object and generating a RGB signal, and a central controller for receiving the RGB signal and generating a backlight color adjusting signal according to the RGB signal received. A backlight driver module of the device is further introduced to drive a backlight module to emit a third light according to the adjusting signal. The color of the third light is particularly the same as the second light. Thus the backlight color of the electronic device changes as what the color of the object is. The visual effect of the product can be alternative by providing this changeable color light. | 07-01-2010 |
| 20100194289 | ELECTRONIC APPARATUS - An electronic apparatus includes: a luminance adjustable display module; an illuminance sensor configured to detect illuminance around the electronic apparatus; and a controller configured to: read the illuminance from the illuminance sensor; determine luminance corresponding to the illuminance; control the luminance adjustable display module to set luminance to the determined luminance; and set a waiting time based on the determined luminance, the waiting time being a time to a next time point of illuminance reading and luminance control. The controller is configured to set the waiting time short when the determined luminance is high and to set the waiting time long when the determined luminance is low. | 08-05-2010 |
| 20100327754 | ADAPTIVE MODULATION AND DATA EMBEDDING IN LIGHT FOR ADVANCED LIGHTING CONTROL - This invention relates to a method for controlling a light output signal emitted by a set of light sources comprising at least one light source, wherein said light output signal comprises a modulation signal which carries individual information, the method comprising recurrently: remotely detecting the light output signal of said set of light sources; determining at least one quality measure of said remote detection of the light output signal; and adjusting the modulation signal on basis of said at least one quality measure. | 12-30-2010 |
| 20110109232 | LIGHT SENSOR AND LIGHTING DEVICE WITH ADAPTABLE COLOR - Light sensors ( | 05-12-2011 |
| 20110309754 | METHOD AND APPARATUS FOR DISCRIMINATING MODULATED LIGHT IN A MIXED LIGHT SYSTEM - Methods and apparatus are disclosed for providing optical emission feedback control for an illumination system comprising mixed light including light from a first light source ( | 12-22-2011 |
| 20110309755 | Optoelectronic Device - An optoelectronic device for emitting mixed light in a first and a different second wavelength range comprises a first or second semiconductor light source ( | 12-22-2011 |
| 20110316426 | AUDIO-VISUAL ENVIRONMENT CONTROL DEVICE, AUDIO-VISUAL ENVIRONMENT CONTROL SYSTEM AND AUDIO-VISUAL ENVIRONMENT CONTROL METHOD - An illumination device detecting section ( | 12-29-2011 |
| 20110316427 | PHOTODIODE, DISPLAY DEVICE PROVIDED WITH PHOTODIODE, AND METHODS FOR MANUFACTURING THE PHOTODIODE AND THE DISPLAY DEVICE - A photodiode ( | 12-29-2011 |
| 20120032600 | LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES WITH COLOR COMPENSATION - A light emitting system comprises an LED-based light emitting device and a controller for controlling operation of the device. The device comprises at least two LEDs that are operable to generate light of different colors that contribute to the emission product of the device. The controller is operable to control light emission from the LEDs in response to the measured intensity of the first and second color light contributions in the emission product. To measure the individual light contributions the controller is operable to interrupt, or at least change, light emission from one LED for a selected time period and during this time period to measure the intensity of the emission product of the device. The intensity of light of the first and second color can be determined by comparing the measured intensity with the measured intensity when the light emission from the other LED is interrupted or changed. | 02-09-2012 |
| 20120038279 | LIGHT ADJUSTABLE TABLE LAMP AND THE LIGHT AUTO ADJUST METHOD THEREOF - The light adjustable table lamp includes a base, a stand pole, lighting equipment, optical sensor, a keyboard, a single-chip and a drive. The lower end of the stand pole is disposed in the rear of the base, and the upper end of the stand pole is equipped with a pendulum. The lighting equipment is disposed in the front of the pendulum. The optical sensors A and B are disposed on the top surface in front of the base. The three input ports of the single-chip joints to the keyboard, the optical sensors A and B separately. The single-chip controls the drive to supply energy to the lighting equipment according to the comparison of the real time light intensity of the user reading area and the light intensity setting value from the keyboard, maintaining the light intensity of the user reading area in the setting level. | 02-16-2012 |
| 20120038280 | HIGH COLOUR QUALITY LUMINAIRE - A colour tunable lighting module is described which includes at least three solid state lighting emitters (such as light emitting diodes) and at least two wavelength converting elements (such as phosphors). The three solid state lighting emitters are formed of the same semiconductor material system and the light generated by them has dominant wavelengths in the blue-green-orange range of the optical spectrum. The two wavelengths converters are used re-emit some of the light from two of the emitters in broader spectra having longer dominant wavelengths, while the third emitter is selected to emit light at a wavelength between the dominant wavelengths of the light from the two emitters and the two converters. A control system may be employed to monitor and control the module and the lighting module can be optimised for tunable high colour quality white light applications. | 02-16-2012 |
| 20120043894 | Organic light emitting diode display - An organic light emitting diode (OLED) display includes a substrate, an organic light emitting element including a first electrode, an organic emission layer, and a second electrode on the substrate, a driving thin film transistor turning on/off first power supplied to the first electrode and including a first active layer including zinc oxide (ZnO), a photo sensor disposed between the substrate and the organic emission layer and including a second active layer sensing light emitted from the organic emission layer, and a controller controlling at least one of the first power and a second power supplied to the second electrode according to the intensity of the light sensed by the photo sensor. | 02-23-2012 |
| 20120062126 | ILLUMINATION DEVICE AND METHOD CONTROLLING THE SAME - An illumination device and a method controlling the same are provided. The illumination device produces a pulse width modulation signal to control an illumination light source of the illumination device. The illumination light source is used to illuminate an environment. A driver of the illumination device provides a current to the illumination light source so the illumination light source emits light and a light detecting element of the illumination device detects a first brightness in the environment when the pulse width modulation signal is at high potential. The driver stops providing the current to the illumination light source and the light detecting element detects a second brightness in the environment when the pulse width modulation signal is at low potential. Thus, through a single light detecting element, two different levels of brightness in the illuminated environment are detected. | 03-15-2012 |
| 20120062127 | LIGHT EMITTING DIODE LAMP AND OPTICAL COMMUNICATION NETWORKING SYSTEM - A light emitting diode (LED) lamp includes a lamp body, an LED array, a light driving unit and a light detection unit. The LED array and the light detection unit are disposed in the lamp body. The light driving unit receives at least one electric signal and then converts it to at least one current signal for driving the LED array to radiate at least one first light beam. The light detection unit converts at least one second light beam irradiating the lamp body into a detect signal. | 03-15-2012 |
| 20120068608 | COLOR AND POSITION AUTO-COMMISSIONING - A system for auto-commissioning a light fixture may position the light fixture based on sensor data received from at least one sensor. In order to focus the light fixture on a target location, the system may vary the position of the light fixture and determine a position of the light fixture where the light level received by the photosensor reaches a determined light level. The system may adjust a light characteristic of light emitted by the light fixture so that the color of light received by the photosensor at the target location matches a target light characteristic, such as color or intensity. The system may determine a focus position and a light characteristic for multiple target locations. The system may auto-commission multiple light fixtures. | 03-22-2012 |
| 20120119658 | System and Method for Controlling White Light - A system and method for tuning white light while reducing manufacturing costs. | 05-17-2012 |
| 20120126707 | DETERMINISTICALLY CALCULATING DIMMING VALUES FOR FOUR OR MORE LIGHT SOURCES - An intelligent light source deterministically calculates luminous flux levels of individual color sources of four or more light sources without a look-up table to determine the luminous flux levels. | 05-24-2012 |
| 20120126708 | LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS - An LED drive circuit that is connectable to a phase control type of light adjuster and receives a voltage based on an a.c. voltage to drive an LED load, the LED drive circuit has a structure which includes:
| 05-24-2012 |
| 20120146517 | High Spectral Resolution Color Sensor Using Non-Dispersive Elements - The invention describes a light sensor ( | 06-14-2012 |
| 20120153836 | LED DRIVE CIRCUIT AND LED ILLUMINATION COMPONENT USING THE SAME - There is provided an LED drive circuit to which a light control signal phase-controlled by a phase-control light controller is inputted and that controls a light emission portion having a plurality of LED loads that emit light of different color tones. The LED drive circuit includes a light control/color control portion that, based on the light control signal inputted, adjusts a current to be passed through each of the LED loads thereby to perform light control and color control of the light emission portion. | 06-21-2012 |
| 20120153837 | METHOD AND APPARATUS FOR CORRECTING LIGHT - Light emitted from a lighting device including a white LED and RGB LEDs is sensed when the lighting device is driven based on a predetermined reference value, sensed data is converted into values corresponding to color coordinates, and a difference between the value and a reference value is calculated. It is determined whether or not the lighting device is corrected on the basis of the calculated difference, and the lighting device is selectively corrected depending on the determination result. | 06-21-2012 |
| 20120153838 | COGNITIVE IDENTIFIER ASSIGNMENT FOR LIGHT SOURCE CONTROL - Coded light has been proposed to enable advanced control of light sources and transmit information using light sources. Methods, devices and systems configured to operate a coded lighting control system, which is robust to interference from other sources of light are proposed. The method is based on sensing the light by a remote control device, and based on the sensing result adapting the identifiers used by the different light sources. By assigning a code identifier to the light source based on light received by the light receiver the code identifiers may be selected such that the influence of light interfering with the light source identifiers may be mitigated. | 06-21-2012 |
| 20120161643 | ORBING AND LIGHTING SYSTEMS - A lighting system for areal illumination is disclosed which includes a remote driver and a plurality of fixtures including luminaires, control devices, and/or standalone sensors. The luminaires include a light source whose output light level can be adjusted, a light sensor co-located therewith adapted to measure light received from adjacent fixtures, and a microcontroller capable of transmitting the output of the light sensor over wires to the remote driver. The remote driver is capable of bidirectional communication with the luminaires and provides independently controllable power for the light sources of the luminaires. A movable orb region containing luminaires can also be defined and the light levels of individual luminaires can be set according to their location within the orb region. | 06-28-2012 |
| 20120169238 | COLOR CONTROL OF LIGHTING SYSTEM - The present invention relates to a method for color control of a lighting system ( | 07-05-2012 |
| 20120176041 | METHOD OF CONTROLLING LIGHT DISTRIBUTION IN A SPACE INCLUDING MULTIPLE INSTALLED LIGHT SOURCES AND AN EXTERNAL LIGHT SOURCE - This invention relates to a method and system for controlling light distribution in a space including multiple installed light sources and an external light source. The luminance level of light from said light sources is measured at different measuring areas within the space. A weighed luminance level is determined for each of the measuring areas based on the measured luminance levels, where the weighted luminance level indicates the contribution from the light sources to the measured luminance level at the different measuring areas. This weighed luminance level is used as a tuning parameter for tuning the emitted light at the installed light sources such that the weighed luminance level at each of the different measuring areas substantially matches a pre-defined target luminance level at the different measuring areas. | 07-12-2012 |
| 20120181936 | SYSTEM AND METHOD FOR METERED DOSAGE ILLUMINATION IN A BIOANALYSIS OR OTHER SYSTEM - A system and method for metered dosage illumination in a bioanalysis or other system. In accordance with an embodiment, an illumination system or subsystem is described that can provide optimized amounts of excitation light within the short exposure times necessary to measure fast biological activity. The amount of light can be precisely measured to provide quantitative results. The light flux can also be precisely controlled to generate only a prescribed minimum amount of light, in order to reduce adverse lighting effects on both fluors and samples. Although the examples herein illustrate the providing of metered dosage illumination in the context of a bioanalysis system, the techniques can be similarly used to provide metered dosage illumination in the context of other types of system. | 07-19-2012 |
| 20120181937 | SYSTEM AND METHOD FOR METERED DOSAGE ILLUMINATION IN A BIOANALYSIS OR OTHER SYSTEM - A system and method for metered dosage illumination in a bioanalysis or other system includes an illumination system or subsystem that can provide optimized amounts of excitation light within the short exposure times necessary to measure fast biological activity. The amount of light can be precisely measured to provide quantitative results. The light flux can be precisely controlled to generate a prescribed minimum amount of light, in order to reduce adverse lighting effects on both fluors and samples. The system and method is particularly useful in any quality-control, analysis, or assessment-based environment. Typical research and development applications can include quality control, instrument calibration, and light output standardization; while clinical and diagnostics applications can include clinical monitoring, bioassay calibration and control for diagnostics, treatment and or therapeutic evaluation. | 07-19-2012 |
| 20120187848 | LIGHTING DEVICES AND METHODS FOR LIGHTING - A lighting device comprises groups of solid state light emitters, a sensor and circuitry. If the emitters are illuminated, the sensor is exposed to combined light from the groups, and senses only a portion of the combined light. The circuitry adjusts current applied to at least one of the emitters based on an intensity of the light sensed. Also, a device comprising emitters, a circuit board and a sensor, at least one of the emitters being positioned on the first circuit board and the sensor being spaced from the circuit board. Also, a lighting device comprising emitters, a sensor, and circuitry which adjusts current applied an emitters based on detection by the first sensor, the circuitry comprising a differential amplifier circuit. Also, a lighting device, comprising light emitters and circuitry which adjusts current applied to only some of the emitters based on ambient temperature. Also. methods of lighting. | 07-26-2012 |
| 20120194081 | DIMMING OF LIGHTING SYSTEM - A lighting system comprises a plurality of lighting units ( | 08-02-2012 |
| 20120200225 | DIMMING CONTROL DEVICE, DIMMING CONTROL METHOD AND LIGHTING APPARATUS PROVIDED WITH DIMMING CONTROL DEVICE - A lighting apparatus includes an illuminance sensor, a dimming control device and a light source. The lighting apparatus calculates a light output characteristic of the light source based on an illuminance measurement value when the light source is turned off and an illuminance measurement value when the light source is lit with a predetermined output, and calculates an ambient illuminance based on the light output characteristic. The illuminance measurement by the illuminance sensor is performed every predetermined period, and dimming control is performed on the light source based on the calculated ambient illuminance. | 08-09-2012 |
| 20120200226 | Commissioning Coded Light Sources - Commissioning a coded light source in a lighting system is accomplished by using a remote controller. When an identification of a light source is successful, a control message is sent to that light source to at least partly switch off its light emission. Thus the light contribution of the identified light source is suppressed. Thereby the chance of coded light from an already identified light source colliding with identifiers comprised in coded light emitted by other light sources is reduced. When no more coded light is detectable, a sensitivity of the remote controller can be increased until coded light again is detectable. Further light sources can then be identified and commissioned. | 08-09-2012 |
| 20120212140 | APPARATUS AND METHOD FOR CONTROLLING LIGHTING BASED ON DALI COMMUNICATION - A lighting controlling apparatus including: a management server generating control information based on information received from a user; a digital addressable lighting interface (DALI) master that is connected to the management server via wired or wireless communication and generates a control message based on the control information; and a DALI ballast that is connected to the DALI master via DALI communication and drives a lighting apparatus by using the control message. Accordingly, a plurality of DALI masters may be locally or remotely controlled via the management server. Also, not only the DALI ballast may be controlled by using the DALI master via DALI communication but also, it may be selectively controlled in regard to the relationship between a DALI switch. In addition, the DALI ballast may be directly controlled by using a sensor and a remote controller. | 08-23-2012 |
| 20120229032 | METHOD AND APPARATUS FOR CONTROLLING LIGHT OUTPUT COLOR AND/OR BRIGHTNESS - A lighting device, comprising first and second light emitters that emit light having first and second color points, respectively, and first and second sensors that detect brightness of light within 0.01 delta u′, v′ of the first and second color points, respectively. A method comprising supplying energy to first and second light, emitters that emit light having first and second color points, respectively, and detecting brightness of light within 0.01 delta u′, v′ of the first and second color points, respectively. | 09-13-2012 |
| 20120235575 | Solid State Lighting Panels with Variable Voltage Boost Current Sources - A lighting system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting devices. The current supply circuit is configured to supply an on-state drive current to the string of solid state lighting devices in response to a control signal. The current supply circuit includes a charging inductor coupled to the voltage input terminal and an output capacitor coupled to the first output terminal. The current supply circuit is configured to operate in continuous conduction mode in which current continuously flows through the charging inductor while the on-state drive current is supplied to the string of solid state light emitting devices. | 09-20-2012 |
| 20120235576 | LED Lighting Module with Co-Molded Light Sensor - An LED lighting module comprising: a printed circuit board ( | 09-20-2012 |
| 20120242231 | System and method for physical association of lighting scenes - A controller for a lighting arrangement ( | 09-27-2012 |
| 20120248989 | STABLE LIGHT SOURCE DEVICE - A stable light source device is provided with a light source, a pinhole constricting optical flux emitted from the light source, a first integrating element inside which optical flux from the pinhole is multiply reflected, a light detection sensor monitoring a light amount, a control section controlling the light source on the basis of the light amount monitored by the light detection sensor and making the light amount consistent, an aperture formed in the first integrating element and emitting light outside the first integrating element, a diffusion-transmission member disposed at a light emission side of the aperture, a branching section disposed at a light emission side of the diffusion-transmission member and branching incident light towards plural light emission portions, and neutral density filters provided at the light emission portions, transmitted light amounts thereof respectively differing such that light amounts at the light emission portions are respectively different. | 10-04-2012 |
| 20120256548 | SYSTEMS AND METHODS FOR LED CONTROL USING ON-BOARD INTELLIGENCE - Board level conditions associated with the operation of multiple LEDs are sensed and used to control a driver that powers the LEDs. The driver is controlled via a 0-10V control interface. The board-level conditions include, but are not limited to, temperature, ambient light, light intensity, operating time, time of day, current, and voltage. An on-board intelligent (OBI) controller processes the 0-10V control signal before it is provided to the driver to better control the LEDs. In some systems the OBI controller works in conjunction with a separate 0-10V controller that controls one or more luminaires. | 10-11-2012 |
| 20120274217 | HYBRID REFLECTOR INCLUDING LIGHTGUIDE FOR SENSOR - A luminaire is providing, having a substrate of a particular shape and a plurality of solid state light sources mounted thereon. The plurality has a measurable characteristic and includes an adjustable solid state light source, such that the characteristic changes in response to adjustment thereof. The luminaire also includes a sensor that detects the characteristic from outputted light, compares it to a baseline value and, based on the comparison, so adjusts the adjustable solid state light source. The luminaire also includes a reflector with a lower edge that conforms to the particular shape of the substrate, and reflects outputted light from the plurality so that it exits past the reflector's upper edge. The luminaire also includes a lightguide having an input that is surrounded by the reflector and captures a portion of the outputted light so as to provide the captured outputted light to the sensor. | 11-01-2012 |
| 20120280625 | SYSTEMS AND METHODS FOR ACTIVE THERMAL MANAGEMENT - The present disclosure is directed to a solution providing active thermal management that has multiple innovations and advantages. In some aspects, the design of the active thermal management (ATM) device is not a threshold clamp and instead, is a non-linear equation that proportionally changes relative to the dimming input. In some aspects, the innovation of the ATM design is how ATM works while the light is being dimmed. The design anticipates overheating by reducing power before the product gets to the maximum temperature threshold. The design also may include an equation that predicts the LED die temperature as a function of product case temperature. The ATM may operate responsive to one or more of a plurality of profile or power curves | 11-08-2012 |
| 20120286669 | TUNING OF EMITTER WITH MULTIPLE LEDS TO A SINGLE COLOR BIN - The color of an LED-based lamp can be tuned to a desired color or color temperature. The lamp can include two or more independently addressable groups of LEDs associated with different colors or color temperatures and a total-internal-reflection (TIR) color-mixing lens to produce light of a uniform color by mixing the light from the different groups of LEDs. The color of the output light is tuned by controllably dividing an input current among the groups of LEDs. Tuning can be performed once, e.g., during manufacture, and the lamp does not require active feedback components for maintaining color temperature. | 11-15-2012 |
| 20120286670 | Lighting tool for creating light scenes - A lighting tool for setting lighting parameters of a plurality of light sources ( | 11-15-2012 |
| 20120286671 | SYSTEM AND METHOD FOR DRIVING LED - A system drives one or a plurality of LEDs, regulating their brightness by controlling the LEDs' average current or voltage. The system includes a switching power converter and an integrated digital regulator with at least one of electrical, thermal, and optical feedbacks. The regulator is constructed as a hysteretic peak current mode controller for continuous mode of operation of the power converter. For a discontinuous mode of operation of the power converter, a pulse averaging sliding mode control is used. Average LED current is measured by integrating LED pulse current at off time and hysteretically adjusting on time of the power switch. An input battery is protected from discharging at abnormally low impedance of the output. | 11-15-2012 |
| 20120293075 | INTERACTIVE LIGHTING CONTROL SYSTEM AND METHOD - Interactive lighting control system (and method) for controlling and creating of light effects such as the tuning of light scenes based on location indication received from an input device. A basic idea of the claimed system is to provide an interactive lighting control by combining a location indication with a light effect driven approach in lighting control in order to improve the creating of light effects such as the tuning of light scenes especially with large and diverse lighting infrastructures. The claimed interactive lighting control system ( | 11-22-2012 |
| 20120306377 | LED LAMP - An LED lamp ( | 12-06-2012 |
| 20120306378 | LIGHTING CONTROL APPARATUS - Disclosed is a lighting control apparatus. According to one embodiment of the present invention, a lighting system control be easily configured, maintained, and repaired since additional light and block control of the lighting can be provided with ease by wireless control of the lighting through wireless communication. In addition, the present invention can control individual lamps by storing a control signal corresponding to an address for each lamp in a gateway according to a predetermined scenario. | 12-06-2012 |
| 20120306379 | LED Lighting Devic and Method for Operating an LED Lighting Device - A method for operating an LED lighting device (L), wherein the LED lighting device comprises: at least two color channels (Ch | 12-06-2012 |
| 20120326611 | ILLUMINATION APPARATUS - An illumination apparatus includes a light source; a sensor which has an image sensor and detects an illuminance and a presence of a human based on a captured image while setting a range overlapping a range illuminated by the light source as a visual field; an illuminance determining unit for varying a light output from the light source based on the illuminance and the presence of a human; and a dimming control unit. The illuminance determining unit obtains an illuminance of an illuminance maintaining area included in the visual field based on the captured image, and when the sensor detects no human, the illuminance determining unit reduces the light output while maintaining the illuminance of the illuminance maintaining area to be equal to or greater than a threshold that is set in advance as a lower limit illuminance, which makes it feasible for the image sensor to capture an image. | 12-27-2012 |
| 20130009550 | Compensation Circuit for Keeping Luminance Intensity of Diode - A compensation circuit for keeping luminance intensity of a diode. The compensation circuit comprises a stabilization unit, a first transistor, a second transistor, a third transistor, a fourth transistor and an organic light emitting diode (OLED). The stabilization unit comprises a photodiode and a compensation capacitor. The second transistor is used to control the input time of data. In the operation of the OLED, the third transistor discharges or charges a node of the stabilization unit continuously to keep a voltage equal to VSS or VDD, so as to maintain the luminance intensity of the OLED. | 01-10-2013 |
| 20130020947 | LIGHTING AND CONTROL SYSTEMS AND METHODS - A lighting and control system is described. One embodiment of the lighting and control system includes a controller. The controller may include an optical sensor configured to sense illumination from the lighting node, wherein the lighting node includes one or more light-emitting diodes; a memory configured to store a target color profile for the lighting node; and a radio device configured for radio communication with the lighting node including for communicating a color adjustment command to the lighting node based on the stored target color profile and the sensed illumination. | 01-24-2013 |
| 20130026928 | STREET LIGHTING DEVICE - In various embodiments, a street lighting device with a first light source for illuminating the street plane from above is provided. The device may include a second light source located at a closer position to the street plane than said first light source; a sensor sensitive to the occurrence of conditions of reduced ambient visibility; and a controller connected to said sensor and capable of activating said second light source in the presence of said conditions of reduced ambient visibility. | 01-31-2013 |
| 20130038217 | Tiered Sensing and Resource Allocation System for Energy Use Optimization in Commercial Buildings - A building lighting control system includes a central building server, distributed zone controllers, and light sensors and control units in each zone. Using occupant lighting preferences, occupancy state, and light levels, each zone controller computes a utility curve which represents the relationship between energy use and service level in the zone. The building server zone receives utility curves from all the zones and allocates energy units to the zones based on the utility curves using a utility-based trading algorithm in order to optimize service levels with minimal energy. Each zone controller then distributes energy to lights in its zone based on energy units allocated to the zone by the building server and based also on influence matrices representing the influences of the lights in the zone upon the sensors in the zone. The building server may also compute and output long-term operational information of the building. | 02-14-2013 |
| 20130038218 | LOW VOLTAGE CONTROL SYSTEMS AND ASSOCIATED METHODS - A low voltage control system includes a controller having a plurality of switched power lines and a plurality of DC lighting loads. Each DC lighting load includes at least one DC lighting element. Each DC lighting load has an associated switch downstream from the controller that selectively connects the at least one DC lighting element to one of the plurality of switched power lines. At least one first input device includes at least one of an occupancy sensor, a light intensity sensor, or a programmable digital timer. The controller selectively powers the switched power lines in response to sensor data received from the first input device or commands received from at least one wired or wireless switch in communication with the controller. | 02-14-2013 |
| 20130038219 | Dimmable Lighting Devices and Methods for Dimming Same - In a single lighting device including a large number of light-emitting elements (LEEs), the LEEs are divided into separately powered groups, and different combinations of the groups are fully energized to achieve the desired overall brightness. In some embodiments, the number of LEEs in each group has a binary relationship to the other groups. The resolution of the dimming is the brightness of the smallest group. In one example of five binary weighted groups of LEEs, 32 brightness levels can be achieved while the LEEs in the energized groups are fully ON. Thus, since there is no high frequency switching, there is substantially no power dissipation by the dimming control system, and there is limited noise or EMI created. The dimming control can be easily implemented with a logic circuit controlling a transistor switch for each group. | 02-14-2013 |
| 20130038220 | METHOD OF DRIVING AN ARC-DISCHARGE LAMP - The invention describes a method of driving an arc-discharge lamp ( | 02-14-2013 |
| 20130038221 | STREETLIGHT MONITORING AND CONTROL - A system and method for streetlight control is provided. A lamp sensor inside a reflector of the streetlight is utilized to detect the output of a lamp of the streetlight. During daytime periods when the lamp is OFF, the lamp sensor is utilized to act as a day/night sensor by detecting ambient light near the lamp. When the ambient light level falls below a sufficient level indicative that night is approaching the lamp is turned ON and the lamp sensor utilized to detect the lamp output of the streetlight. | 02-14-2013 |
| 20130043796 | Compensation Circuit of Organic Light Emitting Diode - A compensation circuit of organic light emitting diode comprising a first capacitor, a second capacitor, a stabilizer unit, a third transistor, an organic light emitting diode and a driver unit. The stabilizer unit comprises a first transistor, a second transistor and a photodiode. The driver unit comprises a fourth transistor, a fifth transistor and a sixth transistor. The fifth transistor is used for driving the organic light emitting diode. The first transistor, the second transistor, the third transistor, the fourth transistor and the sixth transistor are used as switches. The first capacitor is used as a compensation capacitor. The second capacitor is used for storing a data voltage. By controlling a voltage of a node in the circuit, the current of the organic light emitting diode can be increased to maintain a stable brightness of the organic light emitting diode. | 02-21-2013 |
| 20130049605 | METHODS FOR COMMUNICATION BETWEEN A LIGHTING NODE AND A CONTROLLER - A method for communication between a lighting node and a controller is described. One embodiment of the method includes transmitting a command from the controller based on a target illumination profile stored on the controller to the lighting node utilizing a controller radio device and receiving the command from the controller at the lighting node utilizing a node radio device. The method may also include generating illumination having a spectral content from the lighting node utilizing at least a light emitting diode; and receiving the spectral content from the lighting node at the controller utilizing an optical sensor. | 02-28-2013 |
| 20130057157 | Lighting System - A lighting system uses interior and exterior light sensors for detecting lighting level and colour. A lighting unit has a controlled colour and intensity so that a colour match zone can be defined where the interior space lighting has colour temperature based on the exterior lighting conditions. | 03-07-2013 |
| 20130113382 | SOLID STATE RELAY AND LOAD DRIVE CIRCUIT - A solid state relay includes a light-receiving element, output terminals configured to connect to an AC power supply and a load, a first connection line connecting a first end of the light-receiving element to a first output terminal, a second connection line that connects a second end of the light-receiving element to a second output terminal, a switching element between the first connection line and the second connection and configured to be turned on by the current outputted from the light-receiving element, and a snubber circuit in which a capacitor and a resistor are connected in series. The resistor of the snubber circuit connects to the first connection line between one of the first and second end of the light-receiving element and an end of the switching element, and an over-current protection element connects to the first connection line between the resistor and an end of the switching element. | 05-09-2013 |
| 20130134885 | Adjustable spectrum LED solar simulator system and method - An adjustable spectrum LED solar simulator method and system which provides power to LEDs, senses the LED output, compares the LED output to a predetermined norm, and adjusts the LED outputs accordingly. An adjustable spectrum LED solar simulator system includes a multiplicity of LEDs of a number of different color wavelength ranges, an LED driver system for providing power to the LEDs, a sensor system for sensing the output of the LEDs and a controller responsive to the sensor system for comparing the color spectrum of the output of the LEDs to a desired solar spectrum and enables the driver system to adjust the power to the LEDs to more closely match the desired solar spectrum. The solar simulator system may include a modulator structure of hierarchical assemblies. Solar simulator calibration is also disclosed. | 05-30-2013 |
| 20130140994 | SOLID STATE TRANSDUCER DEVICES WITH SEPARATELY CONTROLLED REGIONS, AND ASSOCIATED SYSTEMS AND METHODS - Solid state transducer devices with independently controlled regions, and associated systems and methods are disclosed. A solid state transducer device in accordance with a particular embodiment includes a transducer structure having a first semiconductor material, a second semiconductor material and an active region between the first and second semiconductor materials, the active region including a continuous portion having a first region and a second region. A first contact is electrically connected to the first semiconductor material to direct a first electrical input to the first region along a first path, and a second contact electrically spaced apart from the first contact and connected to the first semiconductor material to direct a second electrical input to the second region along a second path different than the first path. A third electrical contact is electrically connected to the second semiconductor material. | 06-06-2013 |
| 20130140995 | DETERMINATION OF LIGHTING CONTRIBUTIONS FOR LIGHT FIXTURES USING OPTICAL BURSTS - Methods and systems herein provide for determining lighting contributions of light fixtures to an environment. In one embodiment, a system includes a light sensor and a controller. The light sensor generates light level data based on measured light levels. The controller determines a nominal light level based on the light level data, and identifies an optical burst pattern in the light level data generated by a light fixture. The controller then determines a lighting contribution of the light fixture based on the optical burst pattern and the nominal light level. | 06-06-2013 |
| 20130147364 | BACKLIGHT UNIT - A back light unit includes a first light source which generates first light in a first wavelength range, a second light source which generates second light in a second wavelength range, and a first wavelength compensating part which adjusts a wavelength of the first light controlling a driving current, which is applied to the first light source. | 06-13-2013 |
| 20130147365 | Light-Emitting Device and Method of Driving Light-Emitting Device - Reduction of luminance dispersion of a plurality of light-emitting panels combined into one light-emitting device is achieved by the use of a new light-emitting device which has a photosensor, a plurality of light-emitting panels, DC/DC converters connected to their respective light-emitting panels, and a control circuit configured to control output currents of the DC/DC converters in accordance with illuminance data acquired with the photosensor. The control circuit successively turns on the plurality of light-emitting panels, and controls the output currents of the DC/DC converters in accordance with differences of the illuminance data acquired with the photosensor when the light-emitting panels are turned on. | 06-13-2013 |
| 20130169163 | REGULATING SYSTEMS - A regulating system includes a tricolor LED system including at least one first LED that emits light having a first color, at least one second LED that emits light having a second color, and at least one third LED that emits light having a third color, at least one fourth LED that emits light having a fourth color, a sensor that detects the light emitted by the LEDs and generating sensor signals representing characteristics of the light, a controller that outputs control signals depending on the sensor signals and reference values, and LED drivers that drive the first, second, third and fourth LEDs depending on the control signals. | 07-04-2013 |
| 20130169164 | DEVICE AND METHOD FOR PROTECTING EYES - A device and method, which are utilized in an optical apparatus, for protecting eyes are disclosed. The optical apparatus includes a scanning-mirror component and a visible light source which is optically coupled to the scanning-mirror component. The optical apparatus emits a visible light beam to the scanning-mirror component by using the visible light source. The scanning-mirror component then reflects the visible light beam to emit the visible light beam to a scanning region. The device and the method for protecting eyes can determine at least one eye region in the scanning region, and then make the optical apparatus stop emitting the visible light beam at least within the eye region. | 07-04-2013 |
| 20130181611 | Constant Temperature Light Emitting Diode Lighting System - A power management system for a lighting system including at least one lighting emitting diode is disclosed. In one embodiment, the light emitting diode(s) of the lighting system are operated under a constant temperature. In another embodiment, the light emitting diode(s) of the lighting system are operated under a constant temperature difference to the ambient temperature. A thermal feedback loop is employed to achieve the constant temperature or the constant temperature difference. | 07-18-2013 |
| 20130181612 | LIGHT EMITTING APPARATUS AND METHOD FOR CONTROLLING THE SAME - A light emitting apparatus having a plurality of light sources comprises a brightness sensor; a first malfunction detecting unit configured to detect any malfunction of each of the light sources; a second malfunction detecting unit configured to detect any malfunction of the brightness sensor; a storage unit configured to store a target value of a detected value of the brightness of each of the light sources; and a control unit configured to determine a light emission control value of each of the light sources so as to decrease a difference between the target value and the detected value of the brightness of each of the light sources; wherein the control unit allows the light emission control value to be set to a fixed value if the malfunction of at least any one of the light source and the brightness sensor is detected. | 07-18-2013 |
| 20130181613 | OPTO-ELECTRONIC MEASURING ARRANGEMENT WITH ELECTRO-OPTICAL BASIC COUPLING - An opto-electronic measuring arrangement being independent from extraneous light includes a transmission light source and a compensation light source which sequentially emit light on a clocked phase basis. The emitted light is respectively phase-shifted. The light sources can be controlled such that the clock-synchronous signal difference between different phases becomes zero. A basic coupling light source transmits light directly to the optical receiver without the light being influenced by the measuring object. The basic coupling control current is so that a desired sensitivity of the measuring arrangement is achieved and/or a desired operating point can be set. The controllable current source for generating a clocked transmission control current and the controllable basic coupling current source for generating a clocked basic coupling control current are phase-synchronously clocked. The controllable compensation current source for generating a clocked compensation control current is clocked with the inverted clock signal of the clock generator. | 07-18-2013 |
| 20130193854 | Energy-Efficient Lighting System - The invention relates to a method for improving energy efficiency in a lighting system having at least one light source ( | 08-01-2013 |
| 20130193855 | SYSTEM AND METHOD FOR CONTROLLING MEDIA PROJECTORS - A method of controlling media projectors includes providing at least one electromagnetic detector having a field of view directed toward a three dimensional space, and photogrammetrically characterizing at least a portion of the field of view. There is provided at least one media projector that projects at least an electromagnetic signal and a projection controller that moves one or more media projectors in at least two dimensions. At least three measurement locations are obtained within the at least a portion of the field of view by moving the media projector in at least two dimensions. The at least one electromagnetic detector is used to detect the measurement locations within the three dimensional space using the electromagnetic detector to obtain photogrammetric data. The projection controller is calibrated based on the photogrammetric data. | 08-01-2013 |
| 20130200806 | COLOR POINT AND/OR LUMEN OUTPUT CORRECTION DEVICE, LIGHTING SYSTEM WITH COLOR POINT AND/OR LUMEN OUTPUT CORRECTION, LIGHTING DEVICE, AND METHODS OF LIGHTING - A portable device comprising a light detector, a correction calculator and a correction output element. In some aspects, (1) correction (and/or adjustment) is of color point, lumen output, or both, (2) the portable device is a smart phone or a computing device, and/or (3) a wireless correction signal is transmitted and received. Lighting system, comprising a light source, and a portable device that comprises a light detector, a correction calculator, and a correction output element. Lighting device comprising a light source and a receiver. A method comprising detecting light with a light detector of a portable device, generating a correction signal, and outputting the correction signal with a correction output element of the portable device. Method comprising placing a portable device in a calibration location, illuminating a lighting device, and detecting light emitted from the lighting device with a light detector of the portable device that has a correction calculator. | 08-08-2013 |
| 20130200807 | LIGHTING FIXTURE THAT SELF-ESTIMATES ITS POWER USAGE AND MONITORS ITS HEALTH - Apparatuses, methods and systems for lighting fixture determining its power usage and monitoring its operational health are disclosed. One embodiment includes a method of a lighting fixture determining its power usage. The method includes sensing, by an ambient light sensor, an intensity of light emitted from the lighting fixture, and estimating power usage of the lighting fixture based on the sensed intensity of light. | 08-08-2013 |
| 20130207550 | ILLUMINATION SYSTEM AND ILLUMINATION METHOD - An illumination system includes an excitation light source that emits excitation light, a phosphor unit that converts the excitation light emitted from the excitation light source into fluorescence to emit the fluorescence toward an illuminated object and a light source device including the excitation light source and the phosphor unit. The illumination system further includes a state confirming device that confirms a state of the light source device based on the state of the phosphor unit when connected to the light source device and the phosphor unit emits the fluorescence. | 08-15-2013 |
| 20130214687 | LIGHTING AND CONTROL SYSTEMS AND METHODS - Lighting and control systems and methods for a lighting node and a remote control device are disclosed. The remote control device may be coupled to the lighting node via an identification process, such as broadcasting an identification request from the remote control device to nearby lighting nodes. The lighting node can respond to the identification request by sending an identifier to the remote control device such that future commands sent from the remote control device is limited to be responded by the lighting node having the identifier stored thereon. Once coupled, the remote control device can adjust spectral content produced by the lighting node based on user-configuration or a color profile captured via an optical sensor. The adjustment via the remote control device may further include calibration and recalibration of the lighting node utilizing a feedback mechanism with the optical sensor. | 08-22-2013 |
| 20130229112 | Integrated Occupancy and Ambient Light Sensors - Technologies are generally described herein for controlling and using integrated occupancy and ambient light sensors. In some examples, a lighting device includes an illumination source, a light sensor, and a transceiver. A determination can be made to determine if the illumination source is operating in an on mode of operation or an off mode of operation. In response to determining that the illumination source is operating in the off mode of operation, an instruction can be received at the lighting device to pulse operation of the illumination source to emit a light pulse. The lighting device can also be configured to receive an instruction to compressively sense, using the light sensor, a light level associated with an area illuminated by the light pulse. The lighting device can output data indicating the light level compressively sensed by the light sensor. | 09-05-2013 |
| 20130234601 | LIGHTING DEVICES AND METHODS FOR LIGHTING - A lighting device comprises groups of solid state light emitters, a sensor and circuitry. If the emitters are illuminated, the sensor is exposed to combined light from the groups, and senses only a portion of the combined light. The circuitry adjusts current applied to at least one of the emitters based on an intensity of the light sensed. Also, a device comprising emitters, a circuit board and a sensor, at least one of the emitters being positioned on the first circuit board and the sensor being spaced from the circuit board. Also, a lighting device comprising emitters, a sensor, and circuitry which adjusts current applied an emitters based on detection by the first sensor, the circuitry comprising a differential amplifier circuit. Also, a lighting device, comprising light emitters and circuitry which adjusts current applied to only some of the emitters based on ambient temperature. Also, methods of lighting. | 09-12-2013 |
| 20130249407 | Light Emitting Module and Lighting System - A first LED group including a plurality of LEDs is regularly arranged in a toric shape on the circumference of a center of an approximately rectangular substrate which is formed of ceramics. In addition, the first LED group including the plurality of LEDs is entirely covered in a toric shape with a sealing member. In addition, a second LED group including a plurality of LEDs is regularly arranged in a grid shape in the vicinity of the center of the approximately rectangular substrate. In addition, the LED group including the plurality of LEDs is entirely covered with a sealing member. In addition, the sealing member entirely covers the inside of the toric portion of a first region. | 09-26-2013 |
| 20130249408 | SOLID STATE LIGHTING PANELS WITH VARIABLE VOLTAGE BOOST CURRENT SOURCES - A lighting system includes a lighting panel having a string of solid state lighting devices and a current supply circuit having a voltage input terminal, a control input terminal, and first and second output terminals coupled to the string of solid state lighting devices. The current supply circuit is configured to supply an on-state drive current to the string of solid state lighting devices in response to a control signal. The current supply circuit includes a charging inductor coupled to the voltage input terminal and an output capacitor coupled to the first output terminal. The current supply circuit is configured to operate in continuous conduction mode in which current continuously flows through the charging inductor while the on-state drive current is supplied to the string of solid state light emitting devices. | 09-26-2013 |
| 20130257286 | COMPUTING DEVICE, STORAGE MEDIUM, AND METHOD FOR CALIBRATING LIGHT CHANNELS OF LIGHT SOURCE DEVICE - In a method of a computing device for calibrating light channels, one or more channel options of an illumination selecting unit of the computing device are selected to turn on the one or more light channels of a light source device. A camera unit captures a first image of the light source device. A zone and a serial number of each light channel are marked on the first image. Each channel option of the illumination selecting unit is eliminated. The camera unit captures a second image of the light source device when a light channel is turned off. The first image and the second image are compared, and a correlation between the light channel that is turned off and the eliminated channel option is determined. The serial numbers of the channel options are modified and remapped according to correlations between each light channel and each channel option. | 10-03-2013 |
| 20130257287 | ADJUSTABLE SOLID STATE ILLUMINATION MODULE HAVING ARRAY OF LIGHT PIXELS - Techniques for constructing a solid-state lighting module that includes solid-state light emitters that emit light of different colors and are selected from separated groups of solid-state light emitters that emit light of two or more separated colors, wherein one or more solid-state light emitters are selected from each of the separated color groups of solid-state light emitters. The lighting module includes a programmable device that stores or remembers desirable optical intensities of the separated color groups of solid-state light emitters, and a control circuit that individually controls light intensity of each of the separated color groups of solid-state light emitters. The light control circuit is coupled to or in communication with the programmable device to receive the desirable optical intensities of the separated groups of solid-state light emitters and is operable to adjust the intensities of the separated color groups of solid-state light emitters based on the desirable intensities. | 10-03-2013 |
| 20130264946 | OPTICALLY EFFICIENT SOLID-STATE LIGHTING DEVICE PACKAGING - Methods, systems, and devices are disclosed for light-emitting diode and laser diode packaging designs. In one aspect, an LED lighting device includes a substrate capable of dissipating heat, the substrate formed of a metal or ceramic material, an array of LED dies located on the substrate, electrically conductive lines on the substrate and electrically connected to the LED dies for electrically driving the LED dies to emit light, a grid structure over the substrate forming an array of cavities to surround the LED dies in respective cavities, an optically reflective coating at least partially covering one or more of exposed regions of the substrate, the electrically conductive lines, or surfaces of the grid structure, and optically transparent plates placed over at least some of the cavities of the grid structure allowing transmission of light produced by a respective LED die inside a respective cavity. | 10-10-2013 |
| 20130264947 | REMOTE PHOSPHOR LED DEVICE WITH BROADBAND OUTPUT AND CONTROLLABLE COLOR - A broadband light source includes a phosphor layer excited by light from multiple LEDs. A dichroic reflector reflects light from the LEDs onto the phosphor layer. First and second LEDs are responsible for first and second broadband portions respectively of a broadband output light of the source, each such broadband portion being broadband and nominally white. The device components are configured and arranged so that the first and second broadband light portions have different CIE color coordinates. These portions combine to yield a resultant color for the overall broadband light output of the source, which resultant color is a func tion of the relative amounts of the first and second broadband light portions. An open-loop or closed-loop controller can independently drive the LEDs to provide a desired mix of the broadband light portions so that the overall broadband light output has a color in a desired design space. | 10-10-2013 |
| 20130271011 | OCCUPANCY SENSOR AND OVERRIDE UNIT FOR PHOTOSENSOR-BASED CONTROL OF LOAD - An occupancy sensor with a separable override unit can selectively override the operation of the occupancy sensor at designated times and for selected time intervals. The occupancy sensor includes a light sensor to actuate the occupancy sensor and a light assembly when the ambient light is below a predetermined level and to deactivate the occupancy sensor when the ambient light is above a threshold level. The override unit is provided with a light source, such as an LED, to emit light to actuate the light sensor of the occupancy sensor, thereby controlling the occupancy sensor, such as by preventing the occupancy sensor from being actuated. The occupancy sensor includes a cavity for receiving the override unit with the LED aligned with the light sensor: A control unit is operatively connected to one or more override units for selectively controlling the normal operation of the occupancy sensor. | 10-17-2013 |
| 20130278146 | SELECTIVE STREET LIGHT CONTROL APPARATUS, SYSTEMS, AND METHODS - A selective street light control system includes a module having a lamp and being configured to receive a light sensor connected to a street light. The module may be configured to cause the lamp to illuminate to modulate the light sensor. The street light may be controlled based on the light sensor, and the when the light sensor is modulated by the lamp of the module, the street light is also controlled by the module. The module is a self-contained unit and that may advantageously be easily and cost effectively retrofitted to an existing installation without the need for expensive re-wiring of the existing installation. | 10-24-2013 |
| 20130278147 | DISPLAY DEVICE AND MEANS TO MEASURE AND ISOLATE THE AMBIENT LIGHT - A display method and display device are described having at least one sensor for detecting a property of light such as the intensity, color and/or color point of light emitted from at least one display area of a display device into a viewing angle of the display device and to measure and isolate the contributions of ambient light. An advantage of the sensor system is that it can be used for real-time measurements, e.g. while the display device is in use, and off-line, e.g. when the normal display functionality is interrupted, with a high signal to noise ratio and simultaneously can isolate the contributions of the signals from the backlight of the display device and the signals from the ambient light. | 10-24-2013 |
| 20130293114 | SOLID STATE LIGHTING SYSTEMS AND ASSOCIATED METHODS OF OPERATION AND MANUFACTURE - 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. | 11-07-2013 |
| 20130300297 | System and Method for Driving LED - A system and method for driving one or more LEDs by regulating their brightness by controlling the LEDs' average current or voltage. The system includes a switching power converter and an integrated digital regulator with at least one of electrical, thermal, and optical feedbacks. The regulator is constructed as a PI or PID controller for continuous mode of operation of the power converter. Current is provided through an inductor and a power switch during an on time of the power switch. The ampseconds of the inductor are measured at an off time and compared with a periodic ramp signal. A set reference signal is also compared with the periodic ramp signal. Based on the comparisons between the ramp signal, the measured ampseconds, and the reference signal, a control signal is generated to regulate the peak current through the power switch. | 11-14-2013 |
| 20130320860 | VASE-SHAPED DEVICE, LIGHT WALL DEVICE, AND SYSTEM - An objective is to provide a vase-shaped device, a light wall device, and a system which accentuate the beauty of flowers by implementing “interactive flower arrangement” in which the color of the vase-shaped device and that of a space around the vase-shaped device change according to the color of the arranged flowers so as to entertain users. To achieve the above objective, provided is a vase-shaped device including light-emitting devices as an output unit configured to output a signal as controlled. | 12-05-2013 |
| 20130328486 | Multiple Light Sensor Multiple Light Fixture Control - Systems and methods are disclosed to control light output at one or more light fixtures based on input from one or more light detectors. Embodiments of the invention may also be used for auto commissioning, personal control and/or day lighting. Some embodiments of the invention can be used to ensure that light output at the light fixtures provides a combined uniform photometric distribution within an architectural space. Moreover, embodiments of the invention can respond to changes to ambient light, which illuminates the architectural space from a window, door, or television, etc., in a smooth and non-oscillating way. Embodiments of the invention can be implemented in lighting systems employing multiple light fixtures having one or more light source and multiple light detectors. | 12-12-2013 |
| 20130334971 | Auto Commissioning of Light Fixture Using Optical Bursts - Methods and systems herein provide for determining lighting contributions of light fixtures to an environment. In one embodiment, a system includes a light sensor and a controller. The light sensor generates light level data based on measured light levels. The controller determines a nominal light level based on the light level data, and identifies an optical burst pattern in the light level data generated by a light fixture. The controller then determines a lighting contribution of the light fixture based on the optical burst pattern and the nominal light level. | 12-19-2013 |
| 20130334972 | ILLUMINATOR FOR REFLECTIVE DISPLAYS - An illuminator for a reflective display ( | 12-19-2013 |
| 20130342110 | LIGHT SOURCE MODULE AND LIGHT SOURCE SYSTEM - A primary optical unit and a photodetector unit are arranged on a side of a optical branching unit, on which primary terminals are arranged, and a lightconversion unit, which receives primary light, converts the primary light into secondary light, and emits the secondary light, is arranged on a side of the optical branching unit, on which secondary terminals are arranged, to enable guiding of the primary light from the primary optical unit to the lightconversion unit and guiding of the secondary light from the lightconversion unit to the photodetector unit through optical fibers. | 12-26-2013 |
| 20140001960 | SYSTEM AND METHOD FOR CONTROLLING A LIGHTING SYSTEM WITH A PLURALITY OF LIGHT SOURCES | 01-02-2014 |
| 20140015416 | LAMP DRIVING MODULE - A lamp driving module for a gas-discharge lamp includes a lamp ballast module, and a lamp power control module coupled to the lamp ballast module. The lamp power control module is configured to drive the lamp in a DC mode during a run-up state and in an AC mode when not in the run-up state. The lamp power control module is configured to heat the amalgam in the lamp more quickly, accelerate migration of the released mercury vapor throughout the lamp discharge tube, and allow the lamp to get brighter faster. | 01-16-2014 |
| 20140015417 | LIGHTING CONTROL SYSTEM - In an embodiment, a lighting control system includes a plurality of lighting apparatuses and a central control device. In an embodiment, the central control device controls lighting states of the plurality of lighting apparatuses, based on a first illumination which is an illumination of an irradiated surface irradiated by the plurality of lighting apparatuses, and a second illumination which is an illumination at a certain measurement point in a lighting space irradiated by light sources of the plurality of lighting apparatuses and is formed by a reflected light of light emitted by the lighting apparatuses. | 01-16-2014 |
| 20140021865 | LIGHT SOURCE APPARATUS AND METHOD OF CONTROLLING THE SAME - A light source apparatus configured to emit first light and second light includes a wavelength reference device, a splitter, a first detector, a second detector, and a control unit. The control unit includes a correction unit configured to reduce from a detection signal detected by the first detector a portion included in the detected signal and related to an intensity of the second light incident on the first detector from the splitter, and configured to reduce from a detection signal detected by the second detector a portion included in the detected signal and related to an intensity of the first light incident on the second detector from the splitter. The control unit controls a wavelength of the first light and a wavelength of the second light based on signals from the correction unit. | 01-23-2014 |
| 20140021866 | ADAPTIVE INTEGRATED DAYLIGHT AND ELECTRIC LIGHT CONTROL WITH MULTI-SENSOR FOR CONTROLLED-LIGHT DISTRIBUTION - A system and a method for controlling light distribution in a space including multiple installed light sources ( | 01-23-2014 |
| 20140035465 | LIFETIME CORRECTION FOR AGING OF LEDS IN TUNABLE-WHITE LED LIGHTING DEVICES - A lighting system having at least three light sources receives an input relating to color coordinates of a target point representing a desired color characteristic for a combined output from the light sources. The system provides color tunable output and/or dimmable output in response to differences in user input. The system also corrects changes in performance of the light sources due to lifetime degradation in each of the light sources. After a period of system operation, outputs of the sources are measured. The system increases the luminosity outputs of each of the light sources by a respective amount relative to the degradations measured in all the light sources; in this manner, the luminosity outputs of the light sources remain substantially constant in relations to each other over the lifetime of the light sources. | 02-06-2014 |
| 20140049165 | SEMICONDUCTOR LIGHT EMITTING DEVICE AND LIGHTING APPARATUS - A semiconductor light emitting device includes a substrate, a first semiconductor light emitting element and a second semiconductor light emitting element. A first semiconductor light emitting element is provided on the substrate and includes a first layer having a first conductivity type, a first light emitting layer, and a second layer having a second conductivity type. A second semiconductor light emitting element is provided on the substrate and includes a third layer having a second conductivity type, a second light emitting layer, and a fourth layer having a first conductivity type. The first layer and the third layer are electrically connected. A peak emission wavelength of light emitted from the first light emitting layer and a peak emission wavelength of light emitted from the second light emitting layer are substantially same. | 02-20-2014 |
| 20140049166 | LIGHTING CONTROL SYSTEM - Disclosed is a lighting control system including an object lighting control device and at least one reference lighting control device. The object lighting control device generates an object brightness control signal to control an object brightness of an object lighting device provided in an object district using a sensed result of an object illuminance around the object lighting device as well as reference data. The reference lighting control device generates a reference brightness control signal to control a reference brightness of a reference lighting device provided in a reference district using a sensed result of a reference illuminance around the reference lighting device, and transmits at least one of the reference illuminance and the reference brightness as the reference data to the object lighting control device in response to a request of the object lighting control device. | 02-20-2014 |
| 20140055037 | LIGHT SOURCE APPARATUS, METHOD FOR CONTROLLING LIGHT SOURCE APPARATUS, AND DISPLAY APPARATUS - A light source apparatus according to the present invention, includes: a light source substrate on which one or more emission units are located; an optical sheet configured to reflect light from the emission unit; and a detection unit configured to detect reflected light reflected by the optical sheet, wherein the detection unit is located in a position where an amount of change in a detected value due to deflection of the optical sheet when one emission unit is turned ON is a predetermined value or less. | 02-27-2014 |
| 20140055038 | Device and Method for Generating Light of a Predetermined Spectrum with at Least Four Differently Colored Light Sources - A lighting device and method with a lighting unit which includes several light sources having different color spectra, with a sensor for determining the spectral power distribution emitted by the lighting unit, with a control unit which, as a function of a predetermined spectral power distribution as well as of the spectral power distribution measured by the sensor, acts on a drive unit which individually energizes the light sources of the lighting unit, so that the emitted light has predetermined spectral power distribution, wherein the lighting unit includes at least four light sources, and the control unit uses an optimization algorithm which, as an optimization goal, maximizes a coefficient of weighted sensor values, the coefficient being calculable from individual drive data of the light sources. A secondary condition is met when error between the predetermined spectral power distribution and the measured spectral power distribution is smaller than a limit value. | 02-27-2014 |
| 20140055039 | Light Color and Intensity Adjustable LED - An integrated photonic device includes a number of LEDs and a feedback mechanism that measures individual LED light outputs using a photo sensor via a light transmitter disposed in the vicinity of individual LEDs. A controller or driver adjusts a current driven to each LED using the detected values according to various logic based on the device application. | 02-27-2014 |
| 20140070707 | LIGHTING CONTROL SYSTEM - Lighting control system includes lighting fixture having identification information, controller for setting lighting condition for dimming level and color temperature of illumination light of lighting fixture, and dimmer for outputting dimming signal to lighting fixture. Lighting fixture includes dimmer for modulating illumination light to superpose thereon information signal containing identification information and lighting information of lighting fixture. Controller includes wireless communication unit for outputting control signal to dimmer, display unit with touch panel, for displaying image of lighting fixture, and visible light receiver for reading identification information and lighting information from information signal superposed on illumination light. Display unit is configured to associate identification information read through visible light receiver with image of lighting fixture to display image so as to reflect lighting information. | 03-13-2014 |
| 20140084796 | TUNING OF EMITTER WITH MULTIPLE LEDS TO A SINGLE COLOR BIN - The color of an LED-based lamp can be tuned to a desired color or color temperature. The lamp can include two or more independently addressable groups of LEDs associated with different colors or color temperatures and a total-internal-reflection (TIR) color-mixing lens to produce light of a uniform color by mixing the light from the different groups of LEDs. The color of the output light is tuned by controllably dividing an input current among the groups of LEDs. Tuning can be performed once, e.g., during manufacture, and the lamp does not require active feedback components for maintaining color temperature. | 03-27-2014 |
| 20140097756 | Method and Apparatus for Controlling Optical Power - A method can be used for controlling optical power. Output optical power of an optical source is monitored and it is determined whether a preset test control signal is received. When the preset test control signal is not received, a data signal is modulated to output light of the optical source and a bias current of the optical source is adjusted according to an output optical power monitoring result of the optical source to implement automatic power control. When the preset test control signal is received, a test is started and a test signal is superimposed to the data signal to form a superimposed signal. The superimposed signal is modulated to the output light of the optical source. The output optical power monitoring result of the optical source is ignored during the test period to maintain the bias current of the optical source at a preset target value. | 04-10-2014 |
| 20140103812 | Rolling Blackout Adjustable Color LED Illumination Source - A system and method for producing white light in an adjustable light emitting diode (LED) illumination device is provided. The system and method varies the “off” time for one of multiple sets of light emitting diodes (LEDs) or channels in succession in order to compensate for and stabilize the color-shifting or degradation that gradually occurs in LEDs. Each channel corresponds to a different color. By varying the “off” time of only one channel at a time, the system efficiently utilizes the majority of the LEDs, thereby enabling the production of a more stable white light with fewer LEDs. | 04-17-2014 |
| 20140103813 | MULTICHANNEL LIGHTING UNIT AND DRIVER FOR SUPPLYING CURRENT TO LIGHT SOURCES IN MULTICHANNEL LIGHTING UNIT - A lighting unit includes at least two channels of light sources, and a driver for the light sources. The driver includes a DC/DC converter and a control arrangement for controlling the current supplied to at least one of the two channels in response to a control signal produced by the DC/DC converter. Beneficially, a feedback loop controls a switching device in the DC/DC converter to maintain the light level produced by the light sources at a desired level regardless of changes in the supply voltage arid the load. | 04-17-2014 |
| 20140111097 | IDENTIFICATION DEVICE, METHOD AND COMPUTER PROGRAM PRODUCT - According to an embodiment, an identification device includes a controller, an acquiring unit, and an identifying unit. The controller controls turning on/off of a plurality of light emitting apparatuses via a network individually by using pieces of identification information of their respective light emitting apparatuses. The acquiring unit acquires images of the light emitting apparatuses in time-series. The identifying unit determines an installation position of each of the light emitting apparatuses by using the on/off control on the light emitting apparatuses and the images, and identifies each of the light emitting apparatuses determined by the installation positions corresponding to each of the light emitting apparatuses identified by the pieces of identification information with each other. | 04-24-2014 |
| 20140117857 | ILLUMINATION SYSTEM - An illumination system for a projection apparatus includes a light source module, an integrating rod and an optical detecting module. The light source module is capable of emitting an illuminating light beam. The integrating rod has a light entrance surface facing toward the light source module. The optical detecting module includes a light guiding device and an optical detecting device. The light guiding device has a first end surface and a second end surface. The first end surface is farther away from the light entrance surface of the integrating rod than the second end surface. The optical detecting device is disposed adjacent to the first end surface of the light guiding device and electrically connected to the light source module. The light source module is capable of adjusting intensity of the illuminating light beam according to randomly emitted light detected by the optical detecting device. | 05-01-2014 |
| 20140139114 | Method of Adjusting Brightness By Desired Run Time - A method for determining a light intensity based on current battery charge status and specified run time. | 05-22-2014 |
| 20140139115 | AUTOMATIC COLOR ADJUSTMENT ON LED SCREENS - A system and method for the automatic color/brightness adjustment of a video display screen, panel, module or other display component comprising light emitting diodes (“LEDs”). The system and method incorporate a reference LED and a light sensor on each module and use decay information sensed from each reference LED to determine the amount of decay experienced by the display LEDs in the modules. Each module will be adjusted to have one uniform color/brightness level based on the decay information sensed from each reference LED. | 05-22-2014 |
| 20140159586 | VISIBLE LIGHT COMMUNICATION DEVICE - A variable impedance circuit ( | 06-12-2014 |
| 20140167617 | SYSTEM AND METHOD FOR COMMUNICATION AMONG LINEAR LIGHT MODULES IN A LIGHTING SYSTEM - Light source systems and methods of operating the light source systems are disclosed. A light source system may include a combination of two lighting modules in communication with each other. The lighting modules can operate in concert, in parallel, or as master or slave. A printed circuit board assembly (PCBA) of the light source system includes electrical circuitry to drive a set of light emitting diodes (LEDs). The PCBA can include a communication interface for communication amongst the lighting modules. The PCBA can also include an optical sensor to provide color spectrum feedback to a controller module for self calibration. A master PCBA can receive sensor feedbacks, such as thermal and optical feedbacks from a slave PCBA. The sensor feedbacks can then be used to tune a color spectrum of a slave lighting module including calibrating the slave lighting module. | 06-19-2014 |
| 20140175986 | Method Of Operating A Lighting System - A method for operating a lighting system includes a) selecting a color light source; b) emitting a color light signal with the primary color of the selected color light source; c) determining spectral data of the selected color light source using a spectrometer; d) storing the measured spectral data for describing a wavelength spectrum of the selected color light source in the digital memory of a lighting control console; and e) repeating the method steps a) to d) for multiple color light sources of the lighting system. | 06-26-2014 |
| 20140175987 | COLOR TEMPERATURE ADJUSTING METHOD AND ILLUMINATING DEVICE USING THE METHOD - A color temperature adjusting method includes steps: providing a controller storing a color temperature setting value therein, a main white light source including first and second sub-main white light sources having different color temperatures, and an adjusting light source comprising red, green and blue light sources; comparing the color temperature setting value with that of an environmental light to obtain a difference value; controlling currents to the two sub-main white light sources, the red light source, the green light source and the blue light source to obtain a compensation light according to the difference value; and mixing the compensation light and the environmental light to obtain a resulted light which has a color temperature equal to the setting value. An illuminating device using the color temperature adjusting method is also provided. | 06-26-2014 |
| 20140184082 | LED LAMP FAILURE ALERTING SYSTEM - A lighting system includes at least one LED and at least one regulator in communication with the at least one LED. The at least one regulator is configured to supply a substantially constant current to the at least one LED while allowing a light output from the at least one LED to degrade over time towards a target minimum light output, and once the light output of the at least one LED is below the target minimum light output, increase current to the at least one LED to maintain the light output at the target minimum light output. | 07-03-2014 |
| 20140191663 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - There is provided an organic light emitting display device capable of reducing power consumption by adjusting a voltage according to an input image and deterioration of the organic light emitting display device and a method of driving the same. | 07-10-2014 |
| 20140197745 | Managing Streetlights - This disclosure describes systems and techniques for managing streetlights. The subject matter included in this document is embodied in a method that includes receiving, at a computing device, information representative of a location and status of a streetlight included in a network of streetlights. The method also includes presenting a representation of the streetlight in a graphical user-interface in accordance with the received location and status information, and receiving information representing a selection of the streetlight for inclusion in a group of streetlights from the network. The method further includes initiating delivery of one or more control signals to the group of streetlights. | 07-17-2014 |
| 20140203711 | SYSTEMS AND METHODS FOR CONTROLLING LIGHT SOURCES - A system for controlling a set of light sources may include a set of light sources, at least one optical conduit arranged relative to the set of light sources so as to collect excess light from the set of light sources, and at least one sensor coupled to the optical conduit and configured to sense light collected by the optical conduit. The system may also include a controller configured to control the emittance of the set of light sources based on the light sensed by the sensor. A method for controlling a set of light sources may comprise individually varying power supplied to at least some of the light sources in an imperceptible manner, sensing light emitted by a light source for which the power has been varied, and controlling the emittance of the set of light sources based on the sensed light. | 07-24-2014 |
| 20140210354 | REDUNDANT LIGHT SUPPLY FOR SILICON PHOTONIC CHIP - A system includes an external light supply to a silicon photonic chip. The light supply includes a primary light source, a secondary light source, an optical coupler, an optical splitter, and a dark sensor. The optical coupler is to combine any output from the primary light source and any output from the secondary light source into an input to the silicon photonic chip. The optical splitter is located in an optical path between the primary light source and the optical coupler, and is to divert part of the output from the primary light source. The dark sensor is to receive the diverted part of the output from the primary light source and to selectively activate the secondary light source based on the diverted part of the output from the primary light source. | 07-31-2014 |
| 20140210355 | METHODS, CIRCUITS AND SYSTEMS FOR ADJUSTING CHROMATICITY OF SOLID STATE LIGHTING - A plurality of light-emitting devices (LEDs), included in at least a string, can include at least one first LED configured to emit first chromaticity light, at least one second LED configured to emit second chromaticity light, and at least one additional LED configured to emit additional chromaticity light, wherein the at least one string can be operated by modulating the first modulated LED segment and/or the at least one additional modulated LED segment based on respective specified chromaticity values of the plurality of LEDs to provide the light substantially in conformance with a Planckian locus. The chromaticity of the light emitted by the at least one string can b e measured to provide a measured chromaticity value and the modulation of the first modulated LED segment or the at least one additional modulated LED segment can be adjusted by a shift value based on a difference between the measured chromaticity value and a specified chromaticity value to provide an additional v′ shift in light toward the Planckian locus. | 07-31-2014 |
| 20140232274 | CALIBRATED ENERGY TRANSFER - Apparatuses, methods, kits, and systems relating to applying electromagnetic energy to an object located at least partially in an energy application zone are disclosed. Some apparatuses may include a processor configured to determine a preliminary amount of energy to be dissipated in the object and determine a corrected amount of energy based on the preliminary amount of energy and calibration information. The processor may be further configured to cause a source to transfer energy to the energy application zone and determine an amount of delivered energy, based on an amount of energy returned from the energy application zone and an amount of energy supplied to the energy application zone. The processor may also be configured to cause the source to transfer energy to the energy application zone at least until the amount of delivered energy equals the corrected amount of energy. | 08-21-2014 |
| 20140246982 | DISPLAY DEVICE, AND DISPLAY DEVICE CONTROL METHOD - A display device ( | 09-04-2014 |
| 20140246983 | LAMP - A lamp includes a light-emitting device, a lamp cover and a lamp driver. The lamp cover covers the light-emitting device, such that the light emitted by the light-emitting device partly passes through the lamp cover and is partly reflected from the lamp cover. The lamp driver determines whether the lamp cover is damaged or the lamp cover still covers the light-emitting device based on the light reflected from the lamp cover to subsequently drive or turn off the light-emitting device selectively. The lamp driver includes a driving unit. The driving unit stops driving the light-emitting device when the lamp cover is damaged or the light-emitting device is not covered by the lamp cover. The driving unit keeps driving the light-emitting device when the lamp cover is not damaged or the light-emitting device is normally covered by the lamp cover. | 09-04-2014 |
| 20140252959 | LUMINAIRE, AND LUMINAIRE CONTROL METHOD - In a luminaire, a diffusing unit diffuses the light, which has been emitted from a light source unit, according to light transmissibility. A position information obtaining unit obtains position information which at least indicates the position of a person. A luminance obtaining unit obtains the luminance of a luminous part at the position specified in the position information. A calculating unit calculates, according to the light transmissibility and the luminance of the luminous part, a luminance uniformity ratio which indicates the uniformity in the luminance distribution in the luminous part at the position specified in the position information. According to the luminance and the luminance uniformity ratio, a control unit varies the light transmissibility and varies the light output of the light source unit. | 09-11-2014 |
| 20140252960 | DRIVER ARRANGEMENT AND METHOD FOR DRIVING AT LEAST ONE LIGHT-EMITTING DIODE - A driver arrangement comprises a current regulator ( | 09-11-2014 |
| 20140252961 | LIGHTING DEVICES WITH SENSORS FOR DETECTING ONE OR MORE EXTERNAL CONDITIONS AND NETWORKED SYSTEM USING SUCH DEVICES - Exemplary lighting devices have sensors, intelligence in the form of programmed processors and communication capabilities. Such a device is configured to monitor one or more conditions external to a lighting device not directly related to operational performance of the respective lighting device. One or more such devices can work in a networked system, to support a variety of applications separate and in addition to the lighting related functions of the devices(s). | 09-11-2014 |
| 20140265867 | SMART LIGHT EMITTING DIODE DRIVING APPARATUS - A smart light emitting diode driving apparatus includes a micro processing unit and a light emitting diode driving circuit. An optical detection equipment is configured to send an optics characteristic signal to a computer after an optics characteristic of a light emitting diode is detected by the optical detection equipment. The computer is configured to send a control signal to the micro processing unit after the optics characteristic signal is processed by the computer. The micro processing unit is configured to record the control signal. The micro processing unit is configured to control the light emitting diode driving circuit in accordance with the control signal. The light emitting diode driving circuit is configured to output a driving current to drive the light emitting diode. | 09-18-2014 |
| 20140265868 | Lighting Calibration for Intensity and Color - Systems and methods for lighting calibration are disclosed. A brightness level for a first color, a brightness level for a second color, and a brightness level for a third color are detected for at least a portion of the plurality of light sources. A desired brightness value for the first color is determined based on the detected brightness level for the first color. A desired brightness value for the second color is determined based on the detected brightness level for the second color. A desired brightness value for the third color is determined based on the detected brightness level for the third color. One or more currents are adjusted at the plurality of light sources to set the plurality of light sources to the desired brightness value for the first color, the desired brightness value for the second color, and the desired brightness value for the third color. | 09-18-2014 |
| 20140265869 | LIGHT SOURCE APPARATUS - A light source apparatus is adapted to be shared by excimer lamps. An IC tag is disposed at each lamp, and the IC tag stores information identifying the lamp. A storage unit of the light source apparatus stores information identifying a usable lamp (or usable lamps) for the light source apparatus, an emission wavelength of the lamp, and a sensitivity correction value of an optical sensor that corresponds to the emission wavelength. When the light source apparatus is driven to cause the lamp to light, the information stored in the IC tag and information stored in the storage unit are collated and it is determined whether the lamp is usable and the emission wavelength of the lamp is a preset emission wavelength. If it is determined that the lamp is usable and the emission wavelength is appropriate, the sensitivity of the optical sensor is corrected with the correction value. | 09-18-2014 |
| 20140265870 | Systems and Methods for Self Commissioning and Locating Lighting System - The present disclosure provides techniques for a self-commissioning and locating lighting system. The system includes a group of light fixtures, each emitting a unique optical data signal. A remote control device detects the unique optical data signal from the light fixtures when the light fixture is within a visual field of the remote control device. A central controller receives a signal from the remote control device, wherein the signal comprises data regarding the GPS location of the remote control device and the digital identities of the light fixture within the visual field of the remote control, wherein the signal further comprises a control command for operation of the light fixtures, and wherein the central controller sends a control signal to the light fixture implementing the control command. | 09-18-2014 |
| 20140285092 | Magnetic Coil / Transformer Modulation - A communication system with SSL light bulb assemblies comprises a first and a second transceiver. The first transceiver comprises a magnet, and the second transceiver comprises a switched-mode power converter which comprises an inductor element with an inductor core material having a magnetic field dependent permeability. The magnet and the inductor core material of the inductor element are magnetically coupled. The first transceiver is configured to modulate a magnetic field generated by the magnet to generate a modulated downstream magnetic field indicative of downstream data, and the second transceiver is configured to extract the downstream data from a measurement signal from the power converter. The measurement signal is dependent on an inductor value of the inductor element. | 09-25-2014 |
| 20140292207 | AUTO COMMISSIONING OF LIGHT FIXTURE USING OPTICAL BURSTS - Methods and systems herein provide for determining lighting contributions of light fixtures to an environment. In one embodiment, a system includes a light sensor and a controller. The light sensor generates light level data based on measured light levels. The controller determines a nominal light level based on the light level data, and identifies an optical burst pattern in the light level data generated by a light fixture. The controller then determines a lighting contribution of the light fixture based on the optical burst pattern and the nominal light level. | 10-02-2014 |
| 20140300276 | Commissioning of lighting systems - A lighting system that includes luminaires ( | 10-09-2014 |
| 20140312777 | SYSTEMS AND METHODS FOR CONTROLLING COLOR TEMPERATURE - Controlling the color temperature of a composite light source including at least one discrete-spectrum light source is disclosed. For example, the color temperature of a composite light source including at least one discrete-spectrum light source may be determined and/or adjusted based on one or more of the ambient color temperature of a space, the actual temperature of the space, the relative brightness of the space, the occupancy of the space, a time clock, a demand response command (e.g., from an electrical utility), the absolute location of the composite light source, the location of the composite light source relative to other light sources, inputs from a camera or other external devices, the operation of appliances or other machines in the vicinity of the composite light source, media content being utilized in the vicinity of the composite light source, and/or other sensor inputs. | 10-23-2014 |
| 20140312778 | BACKLIGHT DEVICE AND BACKLIGHT CONTROL METHOD - A backlight device includes: a light emitting unit that includes a plurality of light sources having different light emission colors from each other; a detection unit that detects light emission states of the plurality of light sources; a temperature sensor that measures a temperature in a proximity of the plurality of light sources; a brightness conversion unit that converts values indicating the detected light emission states to obtain a detection value for each color of the light emission colors; and a calculation unit that corrects the obtained detection value for each of the light emission colors by using information indicating a relationship between the measured temperature and a correction value, and determines drive values for the light sources based on the corrected detection value. | 10-23-2014 |
| 20140327360 | LIGHT SOURCE APPARATUS AND METHOD FOR CONTROLLING SAME - The light source apparatus includes: a light source substrate having a light emission unit; an optical sheet facing the light emission unit; a plurality of detection units configured to detect light; and an adjustment unit configured to adjust light emission brightness of the light emission unit on the basis of detection values of two or more of the detection units, the two or more detection units including the detection unit arranged at a position at which a change in the detection value due to a deflection of the optical sheet is positive when the light emission unit emits the light and the detection unit arranged at a position at which the change in the detection value due to the deflection of the optical sheet is negative when the light emission unit emits the light. | 11-06-2014 |
| 20140327361 | HIGH COLOUR QUALITY LUMINAIRE - A colour tunable lighting module is described which includes at least three solid state lighting emitters (such as light emitting diodes) and at least two wavelength converting elements (such as phosphors). The three solid state lighting emitters are formed of the same semiconductor material system and the light generated by them has dominant wavelengths in the blue-green-orange range of the optical spectrum. The two wavelengths converters are used re-emit some of the light from two of the emitters in broader spectra having longer dominant wavelengths, while the third emitter is selected to emit light at a wavelength between the dominant wavelengths of the light from the two emitters and the two converters. A control system may be employed to monitor and control the module and the lighting module can be optimised for tunable high colour quality white light applications. | 11-06-2014 |
| 20140339985 | Methods and Apparatus for Sensing Light Output and Controlling Light Output - Methods and apparatus for lighting control. In some embodiments methods and apparatus are provided that sense a low lighting condition at a location and direct light toward that location after detection of the low lighting condition. In some embodiments apparatus are provided that include a plurality of networked LEDs ( | 11-20-2014 |
| 20140375217 | VISIBLE LIGHT COMMUNICATIONS USING A REMOTE CONTROL - According to one aspect of the disclosure, a lighting system comprises a remote control unit ( | 12-25-2014 |
| 20150022093 | LED LIGHT CONTROLLER AND METHOD OF CONTROLLING LED LIGHTS - A method controls the light exposure of an individual during a given time period. A control unit is provided for controlling lights. A first sensor is worn by the individual and gathers light exposure data including lighting intensity data and Kelvin temperature data experienced by the individual. Second sensors are disposed in a building for collecting emitted light data emitted in the building. The emitted light data and the light exposure data are transmitted to the control unit. The light data, along with desired data including desired light intensity and desired Kelvin temperature are stored. The optimal light exposure for the individual is determined based on the light data or the desired data, and an output signal is generated based on the optimal light exposure. The lights are controlled based on the output signal to produce an overall light intensity and Kelvin temperature pattern per day for the individual. | 01-22-2015 |
| 20150028748 | ACTIVE FLICKER CANCELLATION IN LIGHTING SYSTEMS - Compensating for disturbances in light output by a light source includes sensing light output by a light source and generating a light-sense signal based thereon, detecting a disturbance in the light-sense signal, and generating an output signal to compensate for the disturbance. An LED is driven in accordance with the periodic output signal to thereby compensate for the periodic disturbance. | 01-29-2015 |
| 20150028749 | DRIVING DEVICE FOR DRIVING A LIGHT EMITTING DEVICE WITH STABLE OPTICAL POWER - A driving device is adapted to drive a light emitting device with stable optical power, and includes a feedback driving circuit, and a pulse wave generating circuit. The feedback driving circuit provides a driving current that is associated with a pulse-wave signal to the light emitting device, and outputs a feedback signal. The pulse wave generating circuit includes an analog-to-digital converter outputting a digital feedback signal according to the feedback signal, and a controller outputting the pulse-wave signal according to the digital feedback signal. | 01-29-2015 |
| 20150054410 | ENHANCEMENTS FOR LED LAMPS FOR USE IN LUMINAIRES - One example solid state lighting type lamp for a three-way luminaire includes a power source, a controller, an output stage, switching logic circuitry and multiple sets of light emitters. The logic circuitry receives input signals from tip and ring power contacts on a lamp base. The controller provides power from the power source to the output stage which is controlled by the switch logic circuitry to selectively apply power to different ones of the sets of light emitters responsive to the input signals. Each set of light emitters emit light having different color temperatures. In another three-way luminaire example, the control circuitry is configured to control drive current in a sequence to toggle the lamp consecutively between an OFF state and ON state in response to inputs from a three-way socket. Another type of lamp includes circuitry to permanently disable the lamp on detection of an end-of-life condition. | 02-26-2015 |
| 20150054411 | LIGHT SOURCE APPARATUS AND METHOD OF CONTROLLING SAME - A light source apparatus includes: a light-emitting unit which includes a plurality of emission areas emitting light periodically at different phases and in which at least two light sources are disposed in each emission area; a detection unit configured to detect light from the light-emitting unit; and a control unit configured to select the plurality of light sources sequentially and to perform lighting-control of temporarily reducing emission brightness of light sources other than the selected light source, wherein the control unit selects lighting-control target light sources so that lighting-control is sequentially performed on light sources disposed in different emission areas among the plurality of emission areas. | 02-26-2015 |
| 20150061504 | INTELLIGENT DIMMING LIGHTING - Systems, devices, and techniques are provided for operating a display and/or an illumination source based upon the direction of a user's gaze and/or a desired illumination level in a monitored area. One or more elements may be controlled with sensor input and application lighting preferences. For example, when a user receives a video call, light may be activated to illuminate their face. When the user is looking at the display, the display will be at the brightness necessary for the lighting conditions. When the user looks away from the screen, the screen may dim further and the lighting elements for the desk can brighten. Similarly, embodiments may adjust the lighting in a monitored location based upon lighting levels identified in other areas. | 03-05-2015 |
| 20150069917 | LIGHT COMPENSATING SYSTEM AND METHOD THEREOF - A light compensating system in accordance with this invention comprises a plurality of light emitting devices, an image capturing device, and a processing device. The processing device is respectively coupled to the plurality of light emitting devices and the image capturing device. Each light emitting device is used for emitting light to illuminate a certain area in space. The image capturing device is used for capturing a first image, which can be defined as a plurality of image blocks. Each image block is affected by the light from at least one corresponding light emitting device. The processing device is used for analyzing a brightness value of at least one of the plurality image block and adjusting at least one light emitting device corresponding to the analyzed image block based on the brightness value. | 03-12-2015 |
| 20150069918 | OPTICAL SENSOR CIRCUIT, LUMINOUS PANEL AND METHOD OF OPERATING AN OPTICAL SENSOR CIRCUIT - An optical sensor circuit comprises an optical sensor (DET) designed to provide a sensor signal indicative of a color of light incident on the optical sensor (DET), a clock designed to provide a clocked control signal comprising consecutive high and low states, and a controller unit (CU) connected to the optical sensor (DET) and comprising the clock. The controller unit (CU) is designed to process the sensor signal as a color signal (CTS) in a first mode if the clocked control signal is in a high state, wherein the color signal (CTS) is indicative of a color of light emitted by a light emitting device (LED) to be connected at a control terminal (OUT). The controller unit (CU is further designed to process the sensor signal as an ambient color light signal (aCTS) in a second mode if the clocked control signal is in a low state, wherein the ambient color light signal (aCTS) is indicative of a color of ambient light. The controller unit (CU) is also designed to generate a driving signal (PWM) to drive the light emitting device (LED), wherein the driving signal (PWM) depends on the color and ambient color light signal (CTS, aCTS). | 03-12-2015 |
| 20150076990 | SYSTEM TO CONTROL WAVELENGTH AND METHOD TO CONTROL WAVELENGTH - A system includes: a splitter to branch an optical signal output by a wavelength-tunable light source into first to third optical signals; a first photodiode to perform an optical electrical conversion of the first optical signal transmitting a first etalon; a second photodiode to perform an optical electrical conversion of the second optical signal transmitting a second etalon, an FSR of the second etalon being identical to that of the first etalon, peak wavelengths of intensity of a transmitted light of the second etalon being different from those of the first etalon; a third photodiode to perform an optical electrical conversion of the third optical signal; and a controller to control the wavelength-tunable light source with use of a coefficient calculated by following formulas (1) or (2), Coefficient=(PD1−A·PD3)/(PD2−B·PD3) (1) and Coefficient=(PD2−B·PD3)/(PD1−A·PD3) (2). | 03-19-2015 |
| 20150102728 | LIGHT EMITTING MODULE TESTING APPARATUS - A light emitting module testing apparatus includes a sensing unit and a controller. The sensing unit includes a photodiode array sensing light emitted from a light emitting module serving as a test object. The controller generates luminance information based on light sensed by the sensing unit, and sets an operating condition of the light emitting module serving as the test object by comparing the generated luminance information with a pre-set reference range. The light emitting module testing apparatus thereby senses luminance of light emitted from the light emitting module serving as a test object, and sets the operating condition of the light emitting module to have an appropriate luminance. | 04-16-2015 |
| 20150145417 | DRIVER CIRCUIT WITH A SEMICONDUCTOR LIGHT SOURCE AND METHOD FOR OPERATING A DRIVER CIRCUIT - A driver circuit for a semiconductor light source and to a method for controlling the brightness thereof are provided. When a pulse width modulated semiconductor light source reaches a duty cycle threshold value, the voltage is increased or decreased through a variable voltage source in order to achieve a higher dynamic range. | 05-28-2015 |
| 20150296589 | OPERATION OF A LED LIGHTING SYSTEM AT A TARGET OUTPUT COLOR USING A COLOR SENSOR - A method for operating a LED lighting system at a target output color is provided. The LED system includes a color sensor and three or more LED emitters each operable at a controllable emitter drive setting. The method provides at least one calibration matrix defining a relationship between measurements obtained from the color sensor, represented by sensor color point coordinates, and absolute color point coordinates in an absolute color space. In some embodiments, a calibration matrix defining a non-linear relationship between the two color spaces is provided. In other embodiments, individual calibration matrices are provided for each LED emitter. | 10-15-2015 |
| 20150305099 | Apparatus and Method for Monitoring LED Efficiency - A method of measuring the efficiency of an LED ( | 10-22-2015 |
| 20150312994 | SYSTEM AND METHOD FOR WIRELESSLY CONTROLLING LED LIGHTING - A system for wirelessly controlling LED lighting includes: a plurality of LED lamps, each lamp being equipped with a wireless communication module; and a smart device being in communication with the wireless communication module and configured to be controlled by a user. The smart device is configured to generate a unique lamp ID for each LED lamp, and embed the unique lamp ID into a signal for controlling each LED lamp through the wireless communication module so that the unique lamp ID is detectable in a form of visible light. The signal for controlling each LED lamp is a PWM signal, while data rate of the lamp ID is higher than that of the PWM signal. A method for wirelessly controlling LED lighting is also provided. | 10-29-2015 |
| 20150319819 | AUTOMATIC COLOR ADJUSTMENT ON LED VIDEO SCREEN - A system and method for the automatic color/brightness adjustment of a video display screen, panel, module or other display component comprising light emitting diodes (“LEDs”). The system and method incorporate a reference LED and a light sensor on each module and use decay information sensed from each reference LED to determine the amount of decay experienced by the display LEDs in the modules. Each module will be adjusted to have one uniform color/brightness level based on the decay information sensed from each reference LED. | 11-05-2015 |
| 20150333106 | Method for Operating an Organic Optoelectronic Component - A method is specified for operating an organic optoelectronic component, which has at least one organic light-emitting element having an organic functional layer stack with at least one organic light-emitting layer between two electrodes and at least one organic light-emitting element having an organic light-detecting layer. These elements are arranged on a common substrate in laterally adjacent area regions. The at least one organic light-detecting element detects ambient light, which is incident onto the organic optoelectronic component. The intensity of the light emitted by the at least one organic light-emitting element is regulated depending on a signal of the at least one organic light-detecting element with a characteristic signal form. | 11-19-2015 |
| 20150334809 | Lighting Control System - A method for controlling a light, comprising: providing a first sensor device ( | 11-19-2015 |
| 20150359063 | ELECTRONIC LIGHTING SYSTEM AND METHOD FOR LIGHTING SYNCHRONIZATION - In one embodiment, an electronic lighting system comprises a first light source (L | 12-10-2015 |
| 20150359064 | METHOD FOR CONTROLLING A LIGHTING APPARATUS - A lighting apparatus comprises: a plurality of light source units comprising at least three light source units, wherein the light source units emit lights having different color temperatures from each other and different color coordinates from each other; a sensor sensing each of the light quantities of the R (red) component, G (green) component and B (blue) component of light mixed with lights emitted from a plurality of the light source units; a memory having a standard color coordinate located within an area formed by the color coordinates of the light output from the light source units; and a controller controlling light quantities of the light source units in such a manner as to reduce an error value between the standard color coordinate and a comparative color coordinate. | 12-10-2015 |
| 20150359067 | LIGHT SOURCE APPARATUS AND DISPLAY APPARATUS - A light source apparatus according to the present invention, includes a substrate, a plurality of light source units provided on the substrate, a partition wall provided on the substrate and surrounding each of the light source units, and an optical sensor disposed between two or more of the light source units that are adjacent to each other, wherein the number of optical sensors is lower than the number of light source units. | 12-10-2015 |
| 20150359068 | ELECTRONIC DEVICE AND METHOD FOR SETUP OF LIGHTING DEVICE - The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M | 12-10-2015 |
| 20150359069 | LIGHTING SYSTEM AND METHOD FOR CONTROLLING A LIGHT INTENSITY AND A COLOR TEMPERATURE OF LIGHT IN A ROOM - The present invention relates to a lighting system ( | 12-10-2015 |
| 20150373806 | LIGHTING DEVICE AND LIGHTING SYSTEM - A lighting device comprising a first light source issuing a first beam and a second light source issuing a second beam. Said first and said second light source are dimmable and together issue light with a total light flux. At a mutually equal light flux of the first and the second beam, the glare level of the second beam is lower than the glare level of the first beam. The lighting device further comprises at least one (programmed) controller which, during operation, moderates said dim levels such that in at least a range of the illumination level a ratio of the dim level of the second beam to the dim level of the first beam increases in a gradual manner with increasing total light flux. | 12-24-2015 |
| 20150373819 | STROBE LIGHTING UNIT - A strobe lighting unit including a detecting circuit can reliably detect degradations of a xenon light source, which can flash as a light source for devices having a shooting with camera such as a smart phone, etc. The strobe lighting unit can include at least one xenon discharge tube as the xenon light source and at least one lighting circuit to flash the xenon discharge tube. The strobe lighting unit can also include at least one light-detecting circuit to detect degradations of the xenon discharge tube without a photo detector by monitoring an anode electrode of the xenon discharge tube at a flash thereof, and can be configured to output the monitoring result into the devices. Thus, the strobe lighting unit can result in an increase in the possible range of the devices, and can be employed for various devices including a thin mobile phone, a thin smart phone, etc. | 12-24-2015 |
| 20150382422 | Illumination Device and Age Compensation Method - An illumination device and method is provided herein for controlling individual light emitting diodes (LEDs) in an LED illumination device, so that a desired luminous flux and a desired chromaticity of the device can be maintained over time as the LEDs age. According to one embodiment, the method comprises applying drive currents to a plurality of LED chains substantially continuously to produce illumination, measuring a photocurrent induced on the photodetector in response to the illumination produced by each LED chain, one LED chain at a time, and received by the photodetector, and measuring a forward voltage developed across the photodetector by applying a non-operative drive current to the photodetector. For each LED chain, the method may further comprise determining an expected photocurrent value corresponding to the forward voltage measured across the photodetector and the drive current currently applied to the LED chain by applying one or more interpolation techniques to a table of stored calibration values correlating forward voltage and photocurrent to drive current at a plurality of different temperatures, and adjusting the drive current currently applied to the LED chain if a difference exists between the expected photocurrent value and the measured photocurrent. | 12-31-2015 |
| 20150382426 | Monolithic LED Chip in an Integrated Control Module with Active Circuitry - A lighting device includes a monolithic LED chip flip-chip mounted onto an interconnect structure. The monolithic chip includes LED junctions formed from a single LED junction. An active electronic component is also mounted onto the interconnect structure at a distance from the monolithic chip that is less than five times the maximum dimension of the monolithic chip. The active electronic component controls LED drive currents independently supplied to the LED junctions. Different types of phosphor are disposed laterally above the various LED junctions. A color sensor measures the light emitted from the lighting device when drive currents are supplied to first and second LED junctions. The active electronic component then supplies more drive current to the first LED junction than to the second LED junction in response to the color sensor measuring the light emitted when the prior LED drive currents are supplied to the first and second LED junctions. | 12-31-2015 |
| 20150382427 | LED LIGHTING SYSTEM - A system and method involving lighting fixtures, a control network, a controller and other devices such as light sensors, input devices and network adapters for coordinating precise brightness and color schedules among the lighting fixtures while maintaining a high color reliability including provisions for managing a plurality of lighting fixtures. The lighting fixtures contain lighting elements selected such that when controlled properly, operating along a daytime locus, the resultant light output closely resembles sunlight on a cloudless day in spectral characteristics, and wherein the total flux of blue light can be adjusted from a relative level of 1-100% the maximum blue flux of the lighting fixture by controlling individual lighting elements. | 12-31-2015 |
| 20160021717 | LIGHTING SYSTEM WITH ILLUMINANCE CONTROL - The present invention relates to an illumination control system comprising a plurality of outdoor luminaries and a motorized service vehicle. Each luminaire comprises a controllable light source producing a light illuminance. The motorized service vehicle comprises a light sensor configured to detect the light illuminance generated by the controllable light source at the motorized service vehicle. The motorized service vehicle computes light illuminance data based on the detected light illuminance and transmits these to the outdoor luminaire through a wireless communication link or stores the light illuminance data on a data recording device of the motorized service vehicle. The outdoor luminaire receives may use the light illuminance data to set or adjust a light illuminance of the controllable light source. | 01-21-2016 |
| 20160044760 | Method and Apparatus for Precise Temperature Brightness Compensation of LED - The invention is a method and apparatus to provide a temperature compensation for LED brightness utilizing temperature dependence of voltage-current characteristic of the LED. Methods ensure the precise compensation of brightness of LED using two or more temperatures to tune an LED driver circuit without the use of thermistors or other temperature sensor. | 02-11-2016 |
| 20160050723 | SYSTEM ARCHITECTURE OF A TUNABLE LAMP SYSTEM - Some embodiments of this disclosure operate a LED-based lamp module in conjunction with a controller, such as a general-purpose mobile device or other light control system. The operations can include producing light at a current correlated color temperature (CCT) from a light source comprising an LED set of different color LEDs; authenticating a connection between a mobile device and the LED-based lamp module; receiving a target CCT for the LED-based lamp module; determining a target LED driving condition that produces the target CCT based on a color mixing plan stored in the LED-based lamp module; and adjusting the current CCT towards the target CCT by adjusting a current LED driving condition towards the target LED driving condition. | 02-18-2016 |
| 20160050736 | LIGHTING DEVICE WITH AMBIENT LIGHT SENSOR - A lighting device may be implemented to automatically adjust a projected light level based on ambient lighting conditions detected at a sensor. In one example, a lighting device includes a light source adapted to project light. The lighting device also includes a sensor adapted to provide illumination measurements based on ambient light detected by the sensor including at least a reflected portion of the projected light. The lighting device also includes a controller adapted to select a range of illumination levels and adjust the projected light based on the provided illumination measurements to transition the projected light through a plurality of projected light levels until at least a new illumination measurement provided by the sensor is within the range of illumination levels. Additional devices and related methods are also provided. | 02-18-2016 |
| 20160057819 | Smart LED Lighting System - A light emitting diode (“LED”) lighting system comprises an LED lighting fixture having LEDs, a network interface cable, and one or more controllers. The network interface cable has multiple pairs of wires. A certain one of the one or more LED controllers is connected to the LED lighting fixture via the network interface cable. The certain one of the one or more LED controllers powers the LED lighting fixture via the network interface cable. | 02-25-2016 |
| 20160066392 | DISTRIBUTING LIGHT INTENSITY READINGS IN A WIRELESS MESH - A method for controlling a light source associated with an environment includes: receiving, over a wireless mesh network and by a control node corresponding to the light source, a first light intensity value for the environment from a first sensor node; calculating, by the control node, a resulting light intensity (RLI) value based on the first intensity value; determining, by the control node, that the RLI value exceeds a light intensity threshold; and modifying, by the control node and in response to determining the RLI value exceeds the light intensity threshold, an output of the first light source. | 03-03-2016 |
| 20160073464 | HIGH INTENSITY LED ILLUMINATION DEVICE WITH AUTOMATED SENSOR-BASED CONTROL - A lighting system includes an external sensor that is configured to measure a characteristic value of light received from the lighting system in a location of an environment that is illuminated by the lighting system, and a lighting device. The lighting device includes a plurality of LEDs that include a first group of LEDs that exhibit a first color temperature and a second group of LEDs that exhibit a second color temperature, a housing, and a device controller containing control circuitry that is configured to receive data from the external sensor and automatically alter a characteristic of light emitted by one or more of the LEDs in response to the received data. The housing may include an opening that receives and secures the plurality of LEDs, a body portion that provides a heat sink for the plurality of LEDs, and a power supply. | 03-10-2016 |
| 20160073467 | CONTROL DEVICE HAVING BUTTONS WITH MULTIPLE-LEVEL BACKLIGHTING - A control device may have a plurality of buttons that may be backlit to multiple levels, such as first, second, and third adjacent buttons positioned in order, and first, second, and third LEDs positioned to illuminate a respective button. The control device may be configured to illuminate the first LED to a first LED illumination intensity to illuminate the respective button to a first surface illumination intensity; illuminate the third LED to a second LED illumination intensity to illuminate the respective button to a second surface illumination intensity; and illuminate the second LED to a third LED illumination intensity to illuminate the respective button to the second surface illumination intensity. The third LED illumination intensity may be less than the second LED illumination intensity, which may be less than the first LED illumination intensity, and the second surface illumination intensity may be less than the first surface illumination intensity. | 03-10-2016 |
| 20160073475 | CALIBRATION OPERATION OF A LIGHTING DEVICE - A controller comprising: presence detection logic, calibration logic, and an input for receiving a reading from a light sensor representing a sensed light level. The presence detection logic is for detecting presence events based on a presence sensor, and is configured to indicate a set-point to operate at least one lighting device in dependence on a positive detection of presence. The calibration logic is for performing a calibration operation, which is performed by causing a light output of the lighting device to change between a first, lower level and a second, higher level, and by and calibrating the set-point based on the reading from the light sensor under influence of the first and second levels. The calibration logic is configured to trigger this calibration operation in response to the positive detection of presence. | 03-10-2016 |
| 20160073478 | Systems and Methods for Self Commissioning and Locating Lighting System - The present disclosure provides techniques for a self-commissioning and locating lighting system. The system includes a group of light fixtures, each emitting a unique optical data signal. A remote control device detects the unique optical data signal from the light fixtures when the light fixture is within a visual field of the remote control device. A central controller receives a signal from the remote control device, wherein the signal comprises data regarding the GPS location of the remote control device and the digital identities of the light fixture within the visual field of the remote control, wherein the signal further comprises a control command for operation of the light fixtures, and wherein the central controller sends a control signal to the light fixture implementing the control command. | 03-10-2016 |
| 20160081155 | LED LIGHTING SYSTEMS - Light fixture systems and application of ambient light measurement for improving lighting system efficiency. | 03-17-2016 |
| 20160081161 | System, Method, and Apparatus For Self-Adaptive Scheduled Lighting Control - A lighting control device is provided which includes a microcontroller, at least one wireless transceiver, at least one dimmer, one or more lighting terminals powered by the at least one dimmer, at least one environmental sensor, and at least one input device. In operation, the microcontroller obtains environmental data from the at least one environmental sensor, obtains input data from the at least one input device, transmits the environmental data and the input data to an external server, obtains a lighting operating schedule based on the environmental data and the input data from the external server, and executes the lighting operating schedule from the external server by controlling one or more smart bulbs via the at least one wireless transceiver and controlling the electrical current output to lighting terminals. | 03-17-2016 |
| 20160095188 | SYSTEMS AND METHODS FOR MANAGING ENVIRONMENTAL CONDITIONS - Disclosed are systems and methods for adjusting environmental conditions within a physical structure comprising a plurality of linked commissioned units. One or more occupancy sensors ( | 03-31-2016 |
| 20160105940 | LIGHT EMITTING APPARATUS - A light emitting apparatus includes a light emitting unit including a monochromatic light source configured to emit light having a predetermined color, and a wavelength conversion element configured to generate white light from the light emitted by the monochromatic light source, a spectrum detection unit configured to detect a first spectrum distribution from the light emitted by the monochromatic light source, and detect a second spectrum distribution from the white light, and a controller configured to compare the first spectrum distribution and the second spectrum distribution with a first reference spectrum distribution and a second reference spectrum distribution, respectively, and adjust at least one of a wavelength and an intensity of the light emitted by the monochromatic light source. | 04-14-2016 |
| 20160105942 | INTEGRATED OCCUPANCY AND AMBIENT LIGHT SENSORS - Technologies are generally described herein for controlling and using integrated occupancy and ambient light sensors. In some examples, a lighting device includes an illumination source, a light sensor, and a transceiver. A determination can be made to determine if the illumination source is operating in an on mode of operation or an off mode of operation. In response to determining that the illumination source is operating in the off mode of operation, an instruction can be received at the lighting device to pulse operation of the illumination source to emit a light pulse. The lighting device can also be configured to receive an instruction to compressively sense, using the light sensor, a light level associated with an area illuminated by the light pulse. The lighting device can output data indicating the light level compressively sensed by the light sensor. | 04-14-2016 |
| 20160111048 | SENSOR DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, SENSING METHOD AND PROGRAM - A sensor device includes: a light sensor that acquires a first light quantity measurement value that is proportional to a light quantity of a backlight and a first measurement time; a light quantity target value calculating unit that calculates a light quantity target value based on a user setting for the backlight; and a measurement time calculating unit that calculates a second measurement time for when the light sensor acquires a second light quantity measurement value a next time, based on the acquired first light quantity measurement value and the light quantity target value. | 04-21-2016 |
| 20160113087 | ELECTRONIC DEVICES WITH YIELDING SUBSTRATES - In accordance with certain embodiments, a semiconductor die is adhered directly to a yielding substrate with a pressure-activated adhesive notwithstanding any nonplanarity of the surface of the semiconductor die or non-coplanarity of the semiconductor die contacts. | 04-21-2016 |
| 20160117998 | DRIVING DEVICE, DRIVING METHOD AND PROGRAM - A driving device includes a drive normalization part configured to calculate a reference light quantity measurement which is estimated when a backlight is driven using the predetermined reference BL-drive value based on a current BL-drive value and a light quantity measurement of the backlight; a low-pass filter configured to calculate a moving average among a plurality of reference light quantity measurements being temporarily held, thus outputting the smoothed reference light quantity measurement precluding noise; and a BL-drive value calculation part configured to calculate a target BL-drive value which allows the smoothed reference light quantity measurement to match the target light quantity corresponding to a user's setting of luminance. | 04-28-2016 |
| 20160120010 | DETECTION AND CORRECTION OF FAULTY PHOTO CONTROLS IN OUTDOOR LUMINAIRES - Systems, methods and articles for providing centralized control of area lighting hours of illumination. An area illumination system includes a central control system operatively coupled to a plurality of luminaires through a data communications network. In some implementations, the data communications network may include a power-line power distribution system and/or a wired or wireless communications network. Each of the plurality of luminaires includes a local illumination control system, which may include a photosensor. The central control system identifies one or more luminaires as having a faulty local illumination control system and issues illumination commands to such luminaires through the data communications network so that the luminaires continue to operate normally without a working local illumination control system. The central control system may store data relating to luminaires having faulty illumination control systems, such as addresses, map data, routing data, or the like. | 04-28-2016 |
| 20160128163 | LIGHT EMITTING DEVICE DRIVING CIRCUIT AND METHOD THEREOF - A light emitting device driving circuit and a method thereof are provided. The light emitting device driving circuit includes a frequency detection circuit and a frequency adjustment circuit. The frequency detection circuit is configured to detect a light source frequency of a light emitting device to provide at least one detection frequency signal. The frequency adjustment circuit adjusts the light source frequency of the light emitting device according to the detection frequency signal and a plurality of preset flicker frequencies. | 05-05-2016 |
| 20160143110 | Monolithic LED Chip in an Integrated Control Module with Active Circuitry - A lighting device includes a monolithic LED chip flip-chip mounted onto an interconnect structure. The monolithic chip includes LED junctions formed from a single LED junction. An active electronic component is also mounted onto the interconnect structure at a distance from the monolithic chip that is less than five times the maximum dimension of the monolithic chip. The active electronic component controls LED drive currents independently supplied to the LED junctions. Different types of phosphor are disposed laterally above the various LED junctions. A color sensor measures the light emitted from the lighting device when drive currents are supplied to first and second LED junctions. The active electronic component then supplies more drive current to the first LED junction than to the second LED junction in response to the color sensor measuring the light emitted when the prior LED drive currents are supplied to the first and second LED junctions. | 05-19-2016 |
| 20160154193 | HIGH RADIANCE LIGHT EMITTING DIODE LIGHT ENGINE | 06-02-2016 |
| 20160157318 | Current Splitter For Led Lighting System | 06-02-2016 |
| 20160157319 | Current Splitter For LED Lighting System | 06-02-2016 |
| 20160165699 | LIGHTING DEVICE CONTROL SYSTEM FOR LIGHT ADAPTATION - The invention relates to a control system. In particular, the invention has an object to provide a lighting device control system for controlling a lighting device upon receiving a turn-on signal to turn on the lighting device, to emit light capable of generating an illuminance equal to or lower than an ambient illuminance around a place where the lighting device is installed. | 06-09-2016 |
| 20160174323 | Method and System for Illumination Management | 06-16-2016 |
| 20160183343 | WAVELENGTH SENSING LIGHTING SYSTEM AND ASSOCIATED METHODS | 06-23-2016 |
| 20160192454 | LIGHTING SYSTEM WITH SENSOR FEEDBACK - A lighting system includes multiple light sources, a sensing unit, and a control system. The light sources have different emission spectra, and the sensing unit is configured to measure a spectral content of light. The control system may be configured to use measurements from the sensing unit to select respective intensities for emissions from the light sources and then independently control the light sources to emit the respective intensities. In particular, the control system can select and render a spectral distribution selected based on the light reflected from objects that are being illuminated or render a spectral distribution to supplement light from other light sources and achieve a lighting objective. | 06-30-2016 |
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