Patent application number | Description | Published |
20080215279 | Luminaire control system and method - The present invention provides a system and method for controlling one or more light-emitting elements which are driven by forward currents to generate mixed light for use, for example, through a luminaire. The system has one or more light sensors for acquiring feedback optical sensor data and a user interface for providing reference data representative of a desired mixed light. The system also has a controller for transforming either the sensor data or the reference data into the coordinate space of the other and to determine a difference between the sensor and the reference data in that coordinate space. The controller is configured to adjust the forward currents during operating conditions so that the sensor data matches the setpoint data. The present invention also provides a system and method that can at least partially compensate certain temperature induced effects when transforming the optical sensor or the reference data. | 09-04-2008 |
20080224024 | Control system for an illumination device incorporating discrete light sources - The present invention provides an illumination system enabling dynamic colour control of the illumination produced by the system. The illumination system comprises light-emitting elements for producing illumination, and at least one detecting device which collects information relating to the illumination, which is inherently non-linear. The illumination system also integrates a computing system which receives the information from the at least one detecting device and linearises this information using a multivariate function having a solution defining a hyperplane representing constant chromaticity for a given luminous intensity, and then determines a number of control parameters based on the information. The illumination system also integrates a controller for receiving the control parameters from the computing system and determining the control signals to be sent to the light-emitting elements in order to dynamically alter the characteristics of the illumination based on the collected information and the desired illumination result. | 09-18-2008 |
20090008662 | LIGHTING DEVICE PACKAGE - The invention provides a lighting device package with one or more light-emitting elements operatively coupled to a substrate; a compound lens disposed to interact with light emitted by the one or more light-emitting elements, the compound lens including at least an inner lens element and an outer lens element, the inner lens element having a first index of refraction and the outer lens element having a second index of refraction, the first index of refraction being greater than the second index of refraction; the compound lens, the one or more light-emitting elements and the substrate defining an enclosed space between them; and an encapsulation material filling at least part of said space, the encapsulation material having a third index of refraction equal or greater than the first index of refraction. | 01-08-2009 |
20090102401 | SOLID-STATE LIGHTING NETWORK AND PROTOCOL - The present invention provides a solid-state lighting network with one or more master controllers and one or more nodes which are interconnected by an interconnect system. The one or more nodes and the one or more master controllers are configured to generate messages and exchange the messages via the interconnect system. Each message comprises a message code and optional parameters. | 04-23-2009 |
20090185173 | APPARATUS AND METHOD FOR DETERMINING CHARACTERISTICS OF A LIGHT SOURCE - The invention provides an apparatus for sampling and determining characteristics of a light source. The apparatus comprises a sensor system configured to sample the spatial and spectral radiation characteristics of the light source and a goniometer that is configured to desirably control and adjust the relative position between the sensor system and the light source. The goniometer is configured to position the sensor system relative to the light source using two or more degrees of freedom. The apparatus additionally includes a control system configured to control the operation of the sensor system and the sampling of the spatial and spectral radiation characteristics of the light source. The control system is further configured to control operation of the goniometer for the relative positioning of the sensor system and the light source. | 07-23-2009 |
20090189530 | METHOD AND APPARATUS FOR LIGHT INTENSITY CONTROL - The present invention provides a method and apparatus for optical feedback control for an illumination device, wherein the control signal for each array of one or more light-emitting elements corresponding to a particular colour, is independently configured using a modification signal whose frequency is different for each colour. Electronic filters whose center frequencies are substantially equal to the modification signal frequencies of the drive currents for the light-emitting elements are used to discriminate between the radiant flux corresponding to each of the different colours of light-emitting elements, from a sample of the mixed radiant flux output collected by one or more optical sensors. The output of an individual electronic filter is substantially directly proportional to the radiant flux output of the light-emitting elements of the associated colour, which together with the desired luminous flux and chromaticity of the output light, the controller can use to adjust the control signals. | 07-30-2009 |
20090303467 | METHOD AND APPARATUS FOR DETERMINING INTENSITIES AND PEAK WAVELENGTHS OF LIGHT - The present invention provides a method and apparatus for determining intensities and peak wavelengths of light. The apparatus comprises one or more pairs of sensing units for sensing the light, a first sensing unit of a pair configured to sense a first intensity of the light in a first predetermined wavelength range with a first predetermined spectral responsivity and a second sensing unit of a pair configured to sense a second intensity of the light in the first predetermined wavelength range with a second predetermined spectral responsivity. The apparatus further comprises a processing system operatively connected to the one or more pairs of sensing units; the processing system configured to determine the intensity and peak wavelength for each of the one or more predetermined wavelength ranges of the light according to one or more predetermined functional relationships between each of the first intensity and second integral. | 12-10-2009 |
20090326730 | APPARATUS AND METHOD FOR CONTROLLING ACTIVATION OF AN ELECTRONIC DEVICE - The present invention provides a method and apparatus for controlling the activation of an electronic device. For a desired activation ratio, which defines the “ON” time relative to the “OFF” time of the electronic device for a given time period, the method and apparatus according to the present invention evaluates an activation sequence. The activation sequence comprises two or more activation time periods and one or more deactivation periods, wherein the ratio between the two or more activation periods and the predetermined time period is equivalent to the desired activation ratio. | 12-31-2009 |
20100096993 | Integrated Modular Lighting Unit - The present invention provides an integrated self-contained lighting module which can be used on its own, or in conjunction with other modules to produce white light, or light of any other colour within the colour spectrum. Each module comprises one or more light-emitting elements, a drive and control system, a feedback system, thermal management system, optical system, and optionally a communication system enabling communication between modules and/or other control systems. Depending on the configuration, the lighting module can operate autonomously or its functionality can be determined based on either or both internal signals and externally received signals. | 04-22-2010 |
20100259182 | LIGHT SOURCE INTENSITY CONTROL SYSTEM AND METHOD - The light source comprises one or more first light-emitting elements for generating light having a first wavelength range and one or more second light-emitting elements for generating light having a second wavelength range. The first light-emitting elements and second light-emitting elements are responsive to separate control signals provided thereto. A control system receives a signal representative of the operating temperature from one or more sensing devices and determines first and second control signals based on the desired colour of light and the operating temperature. The light emitted by the first and second light-emitting elements as a result of the received first and second control signals can be blended to substantially obtain the desired colour of light. The desired colour of light generated can thus be substantially independent of junction temperature induced changes in the operating characteristics of the light-emitting elements. | 10-14-2010 |
20100294961 | LIGHTING UNIT WITH PHOTOSENSOR - Disclosed herein is a lighting unit ( | 11-25-2010 |
20110008062 | METHOD AND APPARATUS FOR COMMUNICATION IN AN ILLUMINATION SYSTEM USING A LIQUID LENS - A method and apparatus for communicating information content by modulation of light in an illumination system via a liquid lens optically coupled to the illumination system and capable of modulation of light thereof, using resonant modes of the liquid lens. A modulation control system operatively coupled to the liquid lens and to the information content is configured to represent at least a portion of the information content as a time-varying configuration of the liquid lens, the time-varying configuration substantially including one or more of said one or more resonance modes. A receiver system optically coupled to the liquid lens is configured to reconstruct at least a portion of the information content from light modulated by the time-varying configuration of the liquid lens. | 01-13-2011 |
20110018465 | METHOD AND APPARATUS FOR LIGHT INTENSITY CONTROL - The present invention provides a method and apparatus for optical feedback control for a lighting unit ( | 01-27-2011 |
20110136324 | SEMICONDUCTOR DICE TRANSFER-ENABLING APPARATUS AND METHOD FOR MANUFACTURING TRANSFER-ENABLING APPARATUS - A transfer-enabling apparatus, produced by a method of manufacturing, includes a substrate patterned with islands separated by trenches and an epitaxial layer, grown at least on the islands, providing semiconductor dice in such a configuration partially released from said substrate and suspended over the substrate, and interconnected, by anchors of epitaxial or other material that are attached to the substrate. The anchors are of width less than or equal to than the semiconductor dice and define fracture zones at connections of the anchors with the semiconductor dice. | 06-09-2011 |
20110151114 | COMPOSITE PATTERNING DEVICE AND METHOD FOR REMOVING ELEMENTS FROM HOST SUBSTRATE BY ESTABLISHING CONFORMAL CONTACT BETWEEN DEVICE AND A CONTACT SURFACE - A composite patterning device includes a stiff first layer having a Young's modulus in a first range, a flexible second layer having a Young's modulus in a second range, a fluidic layer interposed between the first and second layers and having a Young's modulus in a variable range, and a relief pattern in the second layer. The device can be used for establishing conformal contact between the relief pattern in the second layer and a contact surface of a host substrate with attached elements. Then, a magnetic field is applied to the device so as to increase the Young's modulus of the fluidic layer to be similar to that of second layer after which a force is applied to the contact surface so as to release and remove the elements from the host substrate by withdrawing the device. | 06-23-2011 |
20110151588 | METHOD AND MAGNETIC TRANSFER STAMP FOR TRANSFERRING SEMICONDUCTOR DICE USING MAGNETIC TRANSFER PRINTING TECHNIQUES - Releasable semiconductor dice are deposited with a magnetic layer and held by magnetic forces to a magnetic or electromagnetic transfer stamp for the transfer of the dice from a host substrate directly or indirectly to a target substrate. | 06-23-2011 |
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 |
20120027557 | METHOD AND ELECTROSTATIC TRANSFER STAMP FOR TRANSFERRING SEMICONDUCTOR DICE USING ELECTROSTATIC TRANSFER PRINTING TECHNIQUES - A transfer stamp that can be charged with a spatial pattern of electrostatic charge for picking up selected semiconductor dice from a host substrate and transferring them to a target substrate. The stamp may be bulk charged and then selectively discharged using irradiation through a patterned mask. The technique may also be used to electrostatically transfer selected semiconductor dice from a host substrate to a target substrate. | 02-02-2012 |
20120155078 | HYBRID ILLUMINATION SYSTEMS AND METHODS - In accordance with certain embodiments, interior spaces are illuminated with a combination of harvested sunlight and artificial light emitted by one or more light-emitting elements. | 06-21-2012 |
20120169249 | SYSTEMS AND APPARATUS FOR AUTOMATICALLY DERIVING AND MODIFYING PERSONAL PREFERENCES APPLICABLE TO MULTIPLE CONTROLLABLE LIGHTING NETWORKS - Systems and methods for deriving and modifying personal preferences related to at least one controllable lighting network are disclosed. The systems include a processor that can be used in conjunction with a personal communication device and a preferences database. The processor is used to detect an identifier for a user, a plurality of adjustments to the at least one controllable lighting network requested by the user, and a context corresponding to each of the plurality of adjustments. The processor in some such systems has an associated local memory to store the plurality of adjustments, corresponding contexts, and the identifier of the associated user. The processor is further used to analyze the plurality of lighting adjustments and the corresponding contexts. Based on the analysis, the processor identifies a correlation between the plurality of adjustments and the contexts, and create at least one personal preference rule associated with the user identifier based on the correlation. The preferences database in some such systems is used to store the rules and the plurality of adjustments. | 07-05-2012 |
20120184299 | SYSTEMS AND METHODS FOR MANAGING INTERACTION WITH CONTROLLABLE LIGHTING NETWORKS - Systems and methods for managing interaction with controllable lighting networks are disclosed. Particularly, a user's input regarding the user's preferred level of interaction with a controllable lighting network is used in conjunction with memories and processors, to selectively allow the controllable lighting network access to the user's personal data such as the user's identity or the user's personal lighting preferences. A user's preferred level of interaction with a controllable lighting network is also used, in conjunction with personal mobile electronic communication devices, to allow the user to control lighting within controllable lighting networks. | 07-19-2012 |
20120194095 | MULTI-DIMENSIONAL CONTROL OF LIGHTING PARAMETERS - A multi-dimensional controller ( | 08-02-2012 |
20120212138 | ILLUMINATION CONTROL THROUGH SELECTIVE ACTIVATION AND DE-ACTIVATION OF LIGHTING ELEMENTS - In various embodiments, an illumination system includes multiple light-emitting strings that are selectively activated or deactivated to regulate an overall output of the array. | 08-23-2012 |
20120217880 | OBJECT-SENSING LIGHTING NETWORK AND CONTROL SYSTEM THEREFOR - Disclosed herein is an object-sensing lighting network and an intelligent control system therefore. The control system dynamically determines the at least one lighting fixture's relationship to a plurality of other lighting fixtures. The light output level of a light source of the at least one lighting fixture is based at least partially on the at least one lighting fixture's relationship to the other lighting fixtures. | 08-30-2012 |
20120265350 | PREDICTIVE DAYLIGHT HARVESTING SYSTEM - In the context of a predictive daylight harvesting system data values are input regarding a plurality of variable building design parameters. The effects on a building's environmental characteristics are calculated based on the data values regarding a plurality of building design parameters. At least one of the data values is changed regarding variable building design parameters. The effects on a building's environmental characteristics are recalculated based on the data values regarding a plurality of building design parameters building heat balance. | 10-18-2012 |
20130016494 | PACKAGE FOR LIGHT EMITTING AND RECEIVING DEVICES - In various embodiments, packages include one or more lighting devices having electrical contact points, a flexible substrate for supporting the lighting devices, a plurality of electrically conductive traces defined on the substrate and electrically connected to the contact points of the lighting devices, and an adhesive layer mounting each of the lighting devices on the substrate. | 01-17-2013 |
20130141909 | CONTROL OF LUMINOUS INTENSITY DISTRIBUTION FROM AN ARRAY OF POINT LIGHT SOURCES - In various embodiments, a lens array comprises a plurality of aspheric lens elements each optically coupled to a light-emitting element and producing an out-of-focus image thereof. The images combine to generate a target luminous intensity distribution, e.g., providing constant illuminance on a plane. | 06-06-2013 |
20130181238 | 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. | 07-18-2013 |
20140034960 | 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. | 02-06-2014 |
20140078725 | HYBRID ILLUMINATION SYSTEMS AND METHODS - In accordance with certain embodiments, interior spaces are illuminated with a combination of harvested sunlight and artificial light emitted by one or more light-emitting elements. | 03-20-2014 |
20140191257 | 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. | 07-10-2014 |
20140218915 | CONTROL OF LUMINOUS INTENSITY DISTRIBUTION FROM AN ARRAY OF POINT LIGHT SOURCES - In various embodiments, a lens array comprises a plurality of aspheric lens elements each optically coupled to a light-emitting element and producing an out-of-focus image thereof. The images combine to generate a target luminous intensity distribution, e.g., providing constant illuminance on a plane. | 08-07-2014 |
20140231848 | ENGINEERED-PHOSPHOR LED PACKAGES AND RELATED METHODS - In accordance with certain embodiments, regions of spatially varying wavelength-conversion particle concentration are formed over light-emitting dies. | 08-21-2014 |
20140231850 | ENGINEERED-PHOSPHOR LED PACKAGES AND RELATED METHODS - In accordance with certain embodiments, regions of spatially varying wavelength-conversion particle concentration are formed over light-emitting dies. | 08-21-2014 |
20140231854 | ENGINEERED-PHOSPHOR LED PACKAGES AND RELATED METHODS - In accordance with certain embodiments, regions of spatially varying wavelength-conversion particle concentration are formed over light-emitting dies. | 08-21-2014 |
20140264404 | ENGINEERED-PHOSPHOR LED PACKAGES AND RELATED METHODS - In accordance with certain embodiments, a phosphor element at least partially surrounding a light-emitting die is shaped to influence color-temperature divergence. | 09-18-2014 |
20140264409 | ENGINEERED-PHOSPHOR LED PACKAGES AND RELATED METHODS - In accordance with certain embodiments, a phosphor element at least partially surrounding a light-emitting die is shaped to influence color-temperature divergence. | 09-18-2014 |
20150014708 | PACKAGE FOR LIGHT EMITTING AND RECEIVING DEVICES - In various embodiments, packages include one or more lighting devices having electrical contact points, a flexible substrate for supporting the lighting devices, a plurality of electrically conductive traces defined on the substrate and electrically connected to the contact points of the lighting devices, and an adhesive layer mounting each of the lighting devices on the substrate. | 01-15-2015 |
20150036339 | CONTROL OF LUMINOUS INTENSITY DISTRIBUTION FROM AN ARRAY OF POINT LIGHT SOURCES - In various embodiments, a lens array comprises a plurality of aspheric lens elements each optically coupled to a light-emitting element and producing an out-of-focus image thereof. The images combine to generate a target luminous intensity distribution, e.g., providing constant illuminance on a plane. | 02-05-2015 |