WO2016184852A1 - Lampe de simulation de lumière solaire - Google Patents

Lampe de simulation de lumière solaire Download PDF

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Publication number
WO2016184852A1
WO2016184852A1 PCT/EP2016/061017 EP2016061017W WO2016184852A1 WO 2016184852 A1 WO2016184852 A1 WO 2016184852A1 EP 2016061017 W EP2016061017 W EP 2016061017W WO 2016184852 A1 WO2016184852 A1 WO 2016184852A1
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WO
WIPO (PCT)
Prior art keywords
light
lamp
sensor
light sources
window
Prior art date
Application number
PCT/EP2016/061017
Other languages
English (en)
Inventor
Jakob Hildebrandt ANDERSEN
Jes Broeng
Paul Michael Petersen
Elisabeth OPØIEN
Original Assignee
Danmarks Tekniske Universitet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danmarks Tekniske Universitet filed Critical Danmarks Tekniske Universitet
Publication of WO2016184852A1 publication Critical patent/WO2016184852A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0618—Psychological treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S19/00—Lighting devices or systems employing combinations of electric and non-electric light sources; Replacing or exchanging electric light sources with non-electric light sources or vice versa
    • F21S19/005—Combining sunlight and electric light sources for indoor illumination
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/006—Solar simulators, e.g. for testing photovoltaic panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/0219—Electrical interface; User interface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/28—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source
    • G01J1/30—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors
    • G01J1/32—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using variation of intensity or distance of source using electric radiation detectors adapted for automatic variation of the measured or reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/429—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to measurement of ultraviolet light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00221—Electrical control of surgical instruments with wireless transmission of data, e.g. by infrared radiation or radiowaves
    • A—HUMAN NECESSITIES
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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • A61B2018/00648—Sensing and controlling the application of energy with feedback, i.e. closed loop control using more than one sensed parameter
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    • A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
    • A61B2018/00654—Sensing and controlling the application of energy with feedback, i.e. closed loop control with individual control of each of a plurality of energy emitting elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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    • A61B2018/00773—Sensed parameters
    • A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00875—Resistance or impedance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/0094—Types of switches or controllers
    • A61B2018/00946—Types of switches or controllers slidable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/0091—Handpieces of the surgical instrument or device
    • A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
    • A61B2018/0094—Types of switches or controllers
    • A61B2018/00952—Types of switches or controllers rotatable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A—HUMAN NECESSITIES
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    • A61N2005/0626—Monitoring, verifying, controlling systems and methods
    • A61N2005/0629—Sequential activation of light sources
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0636—Irradiating the whole body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A61N2005/0652—Arrays of diodes
    • A—HUMAN NECESSITIES
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    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0654—Lamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0661—Radiation therapy using light characterised by the wavelength of light used ultraviolet
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0662—Visible light
    • A61N2005/0663—Coloured light
    • A—HUMAN NECESSITIES
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    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details
    • A61N2005/0667—Filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • a method of illuminating a room is provided; and a lamp, a lamp system, and a lamp controller operating according to the method are provided.
  • Energy level and spirit of humans are influenced by various hormones, for example serotonin and melatonin. Lack of serotonin may lead to psychiatric disorders, such as polar, bi-polar and post-partum depression, etc.
  • the hormone melatonin influences the human circadian rhythm. Like serotonin, melatonin is also related to different types of depressions. Winter depression is one example of how the human organism can respond to an imbalance of the two hormones.
  • Lamps that emit light with a spectrum similar to the spectrum, or part of the spectrum, of visible light emitted by the sun are well known.
  • blue light sources systems comprising such sources, and wearables monitoring and recommending on blue light exposure have gained interest mainly due to the fact that blue light affects the circadian rhythm.
  • the eyes contain photoreceptors with high sensitivity to blue light, and these photoreceptors regulate melatonin ("sleep hormone”) and serotonin (known as the "happiness" hormone).
  • a blue light source is meant a source with a relatively large amount of energy in the blue part of the spectrum (compared to the red part of the spectrum). This is to be understood in a broad sense as both a light source emitting light only within the blue spectrum, as well as a light source emitting light within the blue spectrum as well as within other ranges of the visible spectrum.
  • lamps and lamp systems capable of adjusting light emission in response to changes to daylight conditions and/or behaviour of one or more persons benefitting from the emitted light.
  • a lamp system comprises a lamp (or light fitting) with a lamp housing accommodating a plurality of light sources for emission of visible light, including blue light,
  • a light sensor for sensing intensity of light incident upon it
  • a light controller configured for controlling the plurality of light sources in response to the intensity of light sensed by the light sensor and the time provided by the time keeping unit.
  • Blue light has a wavelength ranging from 430 nm to 540 nm.
  • the emission from the lamp or light fitting includes blue light having a
  • the emission from the lamp or light fitting includes blue light with a luminous flux ranging from 50 lux to 200 lux, preferred from 75 lux to 150 lux; more preferred around 100 lux, at a distance of 3 metres from the lamp during a selected time period. It has been shown that blue light with a luminous flux ranging from 50 lux to 200 lux, preferred from 75 lux to 150 lux, more preferred around 100 lux, at the eyes of a human has a significant effect on the circadian rhythm and also increases the productivity of the human.
  • blue light received at the eyes of the human has an irradiance that is larger than 5 mW/nm/m 2 , preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm.
  • a method of increasing human work productivity comprising the step of illuminating the eyes of the human with blue light with a luminous flux at the eyes ranging from 50 lux to 200 lux, preferred from 75 lux to 150 lux, more preferred around 100 lux, for a selected time period.
  • a method of increasing human work productivity comprising the step of illuminating the eyes of the human with blue light for a selected time period, wherein the blue light has an irradiance that is larger than 5 mW/nm/m 2 , preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm.
  • a method of adjusting a circadian rhythm of a human comprising the step of illuminating the eyes of the human with blue light with a luminous flux at the eyes ranging from 50 lux to 200 lux, preferred from 75 lux to 150 lux, more preferred around 100 lux, for a selected time period.
  • a method of adjusting a circadian rhythm of a human comprising the step of illuminating the eyes of the human with blue light for a selected time period, wherein the blue light has an irradiance that is larger than 5 mW/nm/m 2 , preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm.
  • the method may comprise the step of selecting a start time of the time period of illuminating the eyes of the human with blue light that is 24 hours subsequent to a previous start time with a selected time interval, e.g. 30 minutes, added to or subtracted from the 24 hours, thereby effectively changing the circadian rhythm of the human, e.g. having travelled long distance by airplane to a location with a large time difference, e.g. 6 hours.
  • a selected time interval e.g. 30 minutes
  • the lamp or light fitting may also emit visible light outside the wavelength range of blue light.
  • the plurality of light sources may include blue light diodes and red and/or green and/or white light diodes
  • the light controller may be configured to control the light diodes so that the lamp or light fitting emits light with a desired spectrum, e.g.
  • the lamp or light fitting emits light with a total luminous flux at a distance of 3 metres from the lamp ranging from 100 lux to 1000 lux, preferably from 200 lux to 800 lux, preferred from 300 lux to 700 lux, more preferred from 400 lux to 600 lux, and preferably including blue light with a luminous flux and/or irradiance as explained above.
  • one or more light sources of the lamp or light fitting may emit light with a colour temperature ranging from 2000 K to 8000 K, preferably from 3000 K to 7000 K, more preferred from 4000 K to 6000 K.
  • the lamp or light fitting emits blue light with an irradiance that is larger than 5 mW/nm/m 2 , preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm.
  • the lamp or light fitting may be configured for mounting proximate, or at, and/or attached to, a frame of a window, for example attached to the frame of the window, the window being mounted in a wall of a room for daylight illumination of the room through the window pane.
  • the proximity of the lamp or the light fitting to the window preferably the distance is less than 50 cm, preferred less than 25 cm, more preferred less than 10 cm, most preferred less than 5 cm, causes the light emitted by the lamp or light fitting to be perceived as a part of the natural daylight illuminating the room through the window pane.
  • the perception of alienating or intruding technology may have a negative or sub-optimum effect.
  • the plurality of light sources may be mounted in the lamp housing so that the frame of the window is illuminated by the light sources and the room is illuminated by light from the lamp that has been reflected, e.g. diffusely reflected, into the room by the frame of the window.
  • each light source of the plurality of light sources may be mounted in the lamp housing so that a centre part of the light emitted by the light source is directed towards a part of the frame when the lamp is mounted in its intended position for use, whereby light emitted by the lamp is reflected by the frame of the window for illumination of the room in combination with sunlight entering the room through the window pane.
  • the illuminated parts of the frame may be coated with a reflective material for improved illumination of the room.
  • Different light sources of the plurality of light sources may be mounted in the lamp housing for emission of light along different centre directions of propagation for illumination of different parts of the frame of the window also illuminated by sunlight at respective different times during a day.
  • Different light sources of the plurality of light sources may be mounted in the lamp housing for emission of light along different centre directions of propagation, wherein each of the different centre directions of propagation is equal to a direction of propagation of sunlight reflected by the frame at a respective time of day when the lamp is mounted in its intended position for use.
  • various groups of light sources of the lamp or light fitting may be arranged for emission of light in different respective directions for illumination of different respective parts of the frame of the window illuminated by the sun at various angles of incidence of sunlight during the day, and the groups of light sources may be individually turned on and off in a sequence that corresponds to the changing angle of incidence of sunlight as a function of time.
  • the lamp or light fitting may comprise a diffuser so that the lamp of light fitting emits diffused light for uniform illumination of the room.
  • the lamp or light fitting may comprise one or more optical elements, such as lenses, lens arrays, micro-lenses, micro-lens arrays, reflectors, diffractive optical elements, etc., positioned in respective propagation paths of light emitted by the plurality of light sources for directing the emitted light into desired directions, e.g. thereby preventing or minimizing the amount of light emitted out of the window and the room.
  • the lamp or light fitting may be configured to be attached to a part of the frame of the window, e.g. of the frame that is attached to a wall and that supports the remaining parts of the window including the window pane.
  • the lamp or light fitting may be configured to be attached to the wall supporting the frame of the window in such a way that the lamp or light fitting is mounted to the wall proximate the window.
  • the lamp or light fitting may comprise mounting brackets for attachment to the wall or the frame of the window by well-known mechanical fasteners, such as screws, bolts, wall plugs, such as rawlplugs, etc.
  • the lamp or light fitting may be glued to the wall or the frame of the window.
  • the lamp or light fitting may comprise a surface with an adhesive for mounting of the lamp or light fitting in an easy and convenient way, e.g. to a wall proximate the window; or, to a part of the frame of the window, such as a top part of the frame of the window, or to the window ledge, etc.
  • the lamp or light fitting may have an elongate shape, e.g., with a length that corresponds to the width of the window, or, with a length that is less than half the width of the window, so that two lamps may be mounted end to end in one window.
  • a set of two lamps will advantageously fit into windows of different widths larger than twice the length of one lamp.
  • Each of the light sources, or some of the light sources, and/or one or more groups of light sources, of the plurality of light sources may be individually controlled in such a way that the combined light emitted by the lamp or light fitting has a desired spectrum of a desired intensity, preferably, in combination with the sun light entering the window.
  • the room may be sufficiently illuminated by sun light so that the lamp or light fitting is automatically turned off, whereas during a winter day with bad weather conditions, the room may receive very little sun light and the lamp or light fitting is automatically controlled to emit light with a spectrum similar to the visible spectrum of sun light and with a high intensity as a function of time of day so that the resulting illumination of the room will correspond to the illumination of a bright day.
  • the plurality of light sources may be controlled to emit light that is perceived cold bluish and may have a colour temperature of around 6000 Kelvin and in the evening, the plurality of light sources may be controlled to emit light that is perceived reddish and may have a colour temperature of around 2000 Kelvin.
  • the lamp or light fitting may also comprise one or more ultraviolet light sources for emission of ultraviolet light, preferably in the UVB range from 290 nm to 330 nm, such as from 290 nm to 315 nm, such as from 290 nm - 300 nm.
  • ultraviolet light sources for emission of ultraviolet light preferably in the UVB range from 290 nm to 330 nm, such as from 290 nm to 315 nm, such as from 290 nm - 300 nm.
  • Human bodies exposed to ultraviolet light increase their production of vitamin D.
  • the ultraviolet light emitted by the lamp or light fitting may supplement sun light entering the room through the window pane so that the resulting light illuminating the room has a ultraviolet spectrum similar to the spectrum of ultraviolet sunlight, e.g. by supplying the part of the ultraviolet light that is prevented from entering the room through the window by the optical filtering of the material of the window pane.
  • the ultraviolet light may be emitted intermittently for control of the amount of exposure to ultraviolet light.
  • the ultraviolet light emitted by the lamp or light fitting may be adjusted to an optimum wavelength in the wavelength range from 290 nm to 330 nm, preferably from 290 nm to 315 nm, preferred from 290 nm - 300 nm, for the production of vitamin D in a human body.
  • a human should receive about 500 Joule/m 2 - 750 Joule/m 2 per day, preferably 600 Joule/m 2 - 650 Joule/m 2 per day, for example by receiving 0.4 W/m 2 for 25 minutes per day which is equal to 600 Joule/m 2 per day.
  • the amount of ultraviolet light received per day is adjusted in response to skin colour as exemplified below:
  • the light controller may be configured for control of one or more parameters of the plurality of light sources, such as turn-on, turn-off, output power, intensity, intensity at one or more selected wavelengths, wavelength spectrum, colour temperature, etc.
  • the light controller may be configured for control of one or more lamps or light fittings, e.g. attached proximate to respective one or more windows.
  • the light controller may comprise a processor that is configured for control of the one or more parameters of the plurality of light sources of one or more lamps or light fittings, e.g. by execution of software residing in one or more memories connected to the processor.
  • the light controller may comprise one or more inputs for connection with respective one or more sensors for inputting signals from the one or more sensors to the processor.
  • the one or more sensors may comprise a light sensor that is configured for sensing light intensity of light incident on the sensor, e.g. in a specific wavelength range; or, as a function of wavelength, for example a photoresistor, a photodiode, a phototransistor, etc.
  • One or more light sensors may be mounted for sensing intensity of natural daylight, e.g. on the outside of a building.
  • the building may have a plurality of windows, each of which has one or more lamps mounted to it, wherein each of the lamps is controlled by the light controller in response to the intensity of the natural daylight outside the building as sensed by the one or more light sensors.
  • One or more light sensors may be mounted inside a room illuminated through a window that has one or more lamps mounted to it, wherein the one or more light sensors is/are mounted for sensing of the daylight entering the window without sensing light emitted by the one or more lamps, and wherein the one or more lamps is/are controlled by the light controller in response to the intensity of the natural daylight entering the window as sensed by the one or more light sensors.
  • the room may have a plurality of windows, each of which has one or more lamps mounted to it, and the one or more light sensors may be mounted for sensing daylight entering one of more of the windows without sensing light emitted by the one or more lamps, and each of the lamps may be controlled by the light controller in response to the intensity of the natural daylight entering one or more of the windows as sensed by the one or more light sensors.
  • the one or more light sensors may be positioned for sensing daylight in combination with light emitted by the one or more lamps or light fittings, and the light controller may be configured for controlling the one or more lamps or light fittings in response to the intensity of the combination of daylight and light emitted by the one or more lamps or light fittings as sensed by the one or more light sensors.
  • the light controller may be configured to, e.g. individually, control one or more lamps or light fittings mounted for illumination of one or more rooms so that the intensity of light illuminating the one or more rooms varies as a function of time of day, e.g. corresponding to, or in the same way, as the intensity of daylight varies relatively during a day, e.g.
  • the light controller may be configured to control, e.g. individually, one or more or all of the lamps or light fittings mounted for illumination of one or more rooms so that the visible spectrum of the combined daylight having entered the room and the light emitted by the one or more lamps of light fittings has a desired shape, or substantially a desired shape, e.g. with a desired flux of blue light and/or irradiance of blue light and/or having the colour temperature of sunlight, e.g. at a selected time of day; e.g. at the current time of day, e.g. at the current date of the year; or, at a selected date of the year, such as the autumnal equinox or the spring equinox.
  • the light controller may be configured to control, e.g. individually, one or more or all of the ultraviolet light sources to emit ultraviolet light with an irradiance ranging from 0.005 W/m 2 - 0.8 W/m 2 , preferably from 0,01 W/m 2 - 0,7 W/m 2 , preferred from 0,05 W/m 2 - 0,6 W/m 2 , more preferred 0,1 W/m 2 - 0,5 W/m 2 , more preferred from 0,3 W/m 2 - 0,4 W/m 2 , preferably measured at a distance ranging from 50 cm to 300 cm, preferred from 100 cm to 200 cm.
  • the lamp system may comprise one or more movement sensors for sensing human movement in a room accommodating one or more of the movement sensors, and wherein the light controller is configured for controlling the plurality of light sources of one or more lamps or light fittings in a room in response to the amount of movement sensed by the one or more movement sensors accommodated in the room.
  • the lamp system may comprise one or more personal health sensors configured to be worn by a human and sensing at least one health parameter, e.g. selected from the group consisting of body temperature, skin conductivity, heart rate, and blood pressure, and wherein the light controller is configured for controlling the plurality of light sources of one or more lamps in response to parameter values sensed by one or more personal health sensors.
  • the lamp system may comprise one or more personal environment sensors configured to be worn by a human, e.g. selected from the group consisting of accelerometer, gyroscope, compass, ambient light sensor, UV sensor, GPS-unit, and barometer, and wherein the light controller is configured for controlling the plurality of light sources of one or more lamps in response to parameter values output by one or more personal environment sensors.
  • the lamp system may for example be interconnected with wearables used by a human, such as smart phones, smart watches, such as the Apple Watch, the Samsung Gear, the Pebble Watch, etc., activity trackers, such as the Fitbit Flex and others by Fitbit, the Garmin Vivofit or others by Garmin, the Sony Smartband or others by Sony, etc., etc., utilizing data from their sensors, typically including an ambient light sensor, GPS, an accelerometer, a clock, etc.
  • wearables used by a human, such as smart phones, smart watches, such as the Apple Watch, the Samsung Gear, the Pebble Watch, etc.
  • activity trackers such as the Fitbit Flex and others by Fitbit, the Garmin Vivofit or others by Garmin, the Sony Smartband or others by Sony, etc., etc., utilizing data from their sensors, typically including an ambient light sensor, GPS, an accelerometer, a clock, etc.
  • the light controller may be configured for controlling the plurality of light sources of one or more lamps in response to personal data of one or more humans, such as age, eye colour, chronotype (morning/evening person), etc.
  • the light controller may be configured to turn-on and turn-off various groups of light sources of the lamp or light fitting that are arranged for emission of light in different respective directions.
  • the light controller may be configured for individually turning various groups of light sources on and off in a sequence so that the changing directions of light from the lamp having been reflected by the frame of the window the room correspond to the changing angle of incidence of sunlight as a function of time of day.
  • the lamp housing may accommodate one or more of the light sensors, e.g. a plurality of light sensors, e.g. two light sensors, and the light controller may be configured to control the lamp or light fitting in response to the intensity of light as sensed by the one or more light sensors.
  • the light sensors e.g. a plurality of light sensors, e.g. two light sensors
  • the light controller may be configured to control the lamp or light fitting in response to the intensity of light as sensed by the one or more light sensors.
  • the lamp housing may accommodate the light controller.
  • the lamp housing may further accommodate a control element, such as a knob, one or more keys, a switch, a slider, etc. for human adjustment of the intensity of light currently emitted by the lamp or light fitting. Subsequent to an adjustment, the light controller may continue to vary the intensity of light illuminating the room in the same way, relatively, as before adjustment.
  • a control element such as a knob, one or more keys, a switch, a slider, etc.
  • the light controller may be accommodated in a housing separate from the lamp housing of the lamp or light fitting.
  • the light controller may reside in a separate room of a building comprising a plurality of rooms, each of which is illuminated with one or more of the lamp or light fitting that are controlled by the light controller, e.g. in response to light intensity as sensed by one or more light sensors as described above and possibly, or instead, in response to the time of day.
  • the light controller may reside in another building than the building with rooms illuminated with one or more of the lamp or light fitting.
  • the light controller may be interconnected with one or more lamps or light fittings with cables containing signal lines for provision of control signals from the light controller to the respective one or more lamps or light fittings.
  • the light controller may be wirelessly interconnected with one or more lamps or light fittings for wireless transmission of control signals from the light controller to the respective one or more lamps or light fittings.
  • each of the light controller and one or more of the lamps or light fittings, time keeping units, light sensors, other sensors, and user interfaces may comprise an interface to a wired Local-Area-Network (LAN) and/or a wireless LAN (BlueTooth, WiFi), and/or a mobile telephone network (3G, 4G) and/or another Wide-Area-Network (WAN), such as the internet.
  • LAN Local-Area-Network
  • WAN Wide-Area-Network
  • networks already present may be utilized for interconnection of lamps and light fittings and time keeping units and light sensors and other sensors and user interfaces and the light controller and other parts of the lamp system; and thus, the light controller may receive inputs and control one or more of lamps or light fittings as desired utilizing existing network connections.
  • utilizing a WAN such as the Internet, makes it possible for lamps and light fittings and time keeping units and light sensors and other sensors and user interfaces and the light controller and other parts of the light system to reside in separate locations possibly separated by large distances.
  • the light controller may reside on a server, or may be distributed among a plurality of servers, connected to the Internet and thus residing anywhere in the world in a location with Internet access.
  • the lamp system may comprise a hand-held unit that is configured for connection to the light controller and has a user interface configured for user entry of user data, and wherein the hand-held unit is configured to transmit the user data to the light controller, and wherein the light controller is configured for controlling the plurality of light sources in response to the user data.
  • the hand-held unit may be a smartphone or a tablet or a wearable computer, such as a smartwatch, an activity tracker, etc., and may have an interface to a wired Local-Area- Network (LAN) and/or a wireless LAN (BlueTooth, WiFi), and/or a mobile telephone network (3G, 4G), and/or a Wide-Area-Network (WAN), such as the internet, and may be configured to be interconnected with a remote server through the network, e.g. for storage of data from sensors of the hand-held unit, for entry of user data, etc.
  • LAN Local-Area- Network
  • WiFi wireless LAN
  • 3G, 4G mobile telephone network
  • WAN Wide-Area-Network
  • the light controller may have access to data, such as personal health data and/or electronic time management and/or data provided by communication tools relating to and used by one or more users of the lamp or light fitting.
  • the tools and the stored information typically reside on one or more remote servers accessed through the Wide-Area-Network.
  • a plurality of devices, e.g. users' smartphones, with interfaces to the Wide-Area-Network may access the one or more remote servers through the Wide-Area-Network and may be used to enter information relating to the users.
  • the tools may include electronic calendar system(s), email system(s), such as Microsoft Outlook, Windows Mail, Mozilla Thunderbird, Apple Mail, Opera Mail, Hotmail, Gmail, etc., social network(s), professional network(s), such as Facebook ®, Linkedln ®, Google+, Twitter, MySpace, etc., well-known for management of appointments and other daily activities and communications.
  • email system(s) such as Microsoft Outlook, Windows Mail, Mozilla Thunderbird, Apple Mail, Opera Mail, Hotmail, Gmail, etc.
  • social network(s) such as Facebook ®, Linkedln ®, Google+, Twitter, MySpace, etc., well-known for management of appointments and other daily activities and communications.
  • the light controller may reside on the hand-held unit.
  • a user interface for the lamp system may reside on a smartphone, and the smartphone may execute an app allowing the user to control the lamp system, e.g. for adjustment of one or more selected lamps or light fittings, selection of programs controlling parameters of light emitted by the one or more selected lamps as a function of time, etc.
  • the Wide-Area-Network may be accessed through a mobile telephone network, such as GSM, IS-95, UMTS, CDMA-2000, etc.
  • a mobile telephone network such as GSM, IS-95, UMTS, CDMA-2000, etc.
  • the data may include schedules of tasks to be performed, such as tournament days, competition dates, anniversaries, appointments, meetings, etc.
  • the lamp system may be used when driving, preferably, during morning hours for exposure of blue light and/or UVB light to an individual's eyes.
  • the lamp is positioned in proximity or adjacent to a sun visor of a car, alternatively the lamp is attached directly to a sun visor or a car.
  • the lamp emits a broad spectrum of light providing a white light perception of the user.
  • the lamp system may be used by an athlete during training periods and/or for
  • the lamp system enables the athlete to optimize sleep during intense training and/or competition programs. This is important as sleep is a critical parameter for recovery, and an athlete's reaction speed and ability to perform at maximum level.
  • Fig. 1 shows a lamp configured to be mounted to a top part of a window frame
  • Fig. 2 schematically illustrates a window with two lamps mounted to the window frame
  • Fig. 3 schematically illustrates a lamp system with parts of the system interconnected through a WAN .
  • Fig. 1 shows a lamp or a light fitting 12 with a lamp housing 14 accommodating a plurality of light sources 16 for emission of visible light, including blue light.
  • the lamp 12 also has a power supply (not shown) for supplying the plurality of light sources 16 and other circuitry of the lamp 12 with power.
  • the power supply is connected to the mains for powering the lamp 12.
  • the plurality of light sources includes blue LEDs and white LEDs and the illustrated lamp 12 is capable of emitting white light with a luminous flux of 400 lux including blue light with a luminous flux of 100 lux and, preferably, with an irradiance that is larger than 5
  • mW/nm/m 2 preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm, when the luminous flux and irradiance are measured at a distance of 3 metres from the lamp.
  • the blue LEDs emit light with a centre wavelength of 465 nm and have a FWHM (full-width- half-maximum) of 25 nm.
  • the white LEDs have a blue LED coated with a phosphor layer that emits Stokes-shifted light at about 500 - 700 nm.
  • the illustrated lamp 12 is configured to be attached pairwise to the left and right vertical sides, respectively, of a frame of a window that provides daylight illumination of a room.
  • Different groups of light sources 18, 20 of the plurality of light sources 16 are mounted in the lamp housing 14 for emission of light along different centre directions of propagation, wherein each of the different centre directions of propagation is equal to a direction of propagation of sunlight reflected by the frame of the window at a respective time of day when the lamp 12 is mounted in its intended position for use.
  • one group of light sources 18 of the lamp 12 is tilted with respect to the other group of light sources 20 for emission of light in different respective directions for illumination of different respective parts of the frame of the window to emulate different angles of incidence of sunlight during the day, and the groups of light sources 18, 20 may be individually turned on and off in a sequence that corresponds to the changing angle of incidence of sunlight as a function of time.
  • the lamp housing 14 comprises a diffuser 22 and light emitted by the lamp is output through the diffuser 22 so that the lamp 12 emits diffused light for uniform illumination of the room.
  • the lamp 12 may comprise one or more optical elements (not shown), such as lenses, lens arrays, micro-lenses, micro-lens arrays, reflectors, diffractive optical elements, etc., positioned in respective propagation paths of light emitted by the LEDs for directing the emitted light into desired directions, e.g. thereby preventing emission of light, or minimizing the amount of light emitted, out of the window and the room.
  • optical elements such as lenses, lens arrays, micro-lenses, micro-lens arrays, reflectors, diffractive optical elements, etc.
  • the rear part 24 of the lamp 12 opposite the diffuser 22 is made of aluminium for heat dissipation and has a surface with an adhesive 26 for attachment of the lamp 12 in an easy and convenient way to the frame of the window without modifying the frame.
  • the lamp 12 has two light sensors 28 mounted in the diffuser 22 for sensing overall light intensity.
  • the lamp 12 may also comprise one or more ultraviolet light sources (not shown), e.g. ultraviolet LEDs, for emission of ultraviolet light, preferably in the UVB range from 290 nm to 380 nm, such as from 290 nm to 320 nm, such as from 300 nm - 320 nm, such as from 300 nm - 310 nm.
  • ultraviolet light sources e.g. ultraviolet LEDs
  • Human bodies exposed to ultraviolet light increase their production of vitamin D.
  • the ultraviolet light emitted by the lamp or light fitting may supplement sun light entering the room through the window pane so that the resulting light illuminating the room has a ultraviolet spectrum similar to the spectrum of ultraviolet sunlight, e.g. by supplying the part of the ultraviolet light that is prevented from entering the room through the window by the optical filtering of the material of the window pane.
  • the ultraviolet light may be emitted intermittently for control of the amount of exposure to ultraviolet light.
  • the ultraviolet light emitted by the lamp or light fitting may be adjusted to an optimum for the production of vitamin D in a human body.
  • the light controller may be configured to control, e.g. individually, one or more or all of the ultraviolet light sources to emit ultraviolet light with an irradiance ranging from 0.005 W/m 2 - 0.8 W/m 2 , preferably from 0,01 W/m 2 - 0,7 W/m 2 , preferred from 0,05 W/m 2 - 0,6 W/m 2 , more preferred 0, 1 W/m 2 - 0,5 W/m 2 , more preferred from 0,3 W/m 2 - 0,4 W/m 2 , preferably measured at a distance ranging from 50 cm to 300 cm, preferred from 100 cm to 200 cm.
  • the lamp 12 also comprises a time keeping unit (not shown) keeping track of the time of day and accommodated in the lamp housing 14.
  • the lamp 12 also comprises a light controller (not shown) accommodated in the lamp housing 14 and controlling the plurality of light sources 16 in response to the intensity of light sensed by the light sensors 28 and the time provided by the time keeping unit.
  • a light controller (not shown) accommodated in the lamp housing 14 and controlling the plurality of light sources 16 in response to the intensity of light sensed by the light sensors 28 and the time provided by the time keeping unit.
  • the light controller is configured for control of turn-on and turn-off of the blue and white LEDs and the intensity of the emitted light from the blue and white LEDs in response to the time provided by the time keeping unit.
  • the illustrated lamp 12 is a self-contained unit.
  • the lamp 12 housing may further accommodate a control element (not shown), such as a knob for human adjustment of the intensity of light currently emitted by the lamp 12.
  • a control element such as a knob for human adjustment of the intensity of light currently emitted by the lamp 12.
  • the light controller continues to vary the intensity of light in the same pre-determined way as before adjustment, e.g. if the light intensity has been lowered by 3 dB, the light controller will lower all intensities as function of time with 3 dB after the adjustment.
  • the light controller is configured to control the intensity of the emitted light as a function of time of day, e.g. corresponding to, or in the same way, as the intensity of daylight varies relatively during an equinox.
  • a function of time of day e.g. corresponding to, or in the same way, as the intensity of daylight varies relatively during an equinox.
  • the room may be sufficiently illuminated by sun light so that the light controller turns the lamp 12 off, whereas during a winter day with bad weather conditions, the room may receive very little sun light and the light controller controls the LEDs 18, 20 of the lamp 12 to emit light with a spectrum similar to the visible spectrum of sun light and with a high intensity as a function of time of day so that the resulting illumination of the room will correspond to the illumination of a bright day.
  • the light controller may control the LEDs 18, 20 to emit light that is perceived cold bluish and may have a colour temperature of around 6000 Kelvin and in the evening, the light controller may control the LEDs 18, 20 to emit light that is perceived reddish and may have a colour temperature of around 2000 Kelvin.
  • the lamp 12 may comprise, or be connected with, a movement sensor (not shown) for sensing human movement in the room and the light controller may be configured for controlling the LEDs in response to a signal from the movement sensor, e.g. the light controller may turn the LEDs off when no human presence is detected by the movement sensor.
  • a movement sensor not shown
  • the light controller may be configured for controlling the LEDs in response to a signal from the movement sensor, e.g. the light controller may turn the LEDs off when no human presence is detected by the movement sensor.
  • Fig. 2 schematically illustrates two identical lamps 12, each of which having a lamp housing 14 accommodating a plurality of light sources (not visible) for emission of visible light 30, including blue light.
  • Each of the lamps 12 also has a power supply (not shown) for supplying the plurality of light sources and other circuitry of the lamp 12 with power. The power supply is connected to the mains for powering the lamps 12.
  • the plurality of light sources includes blue LEDs and white LEDs and the illustrated lamp 12 is capable of emitting white light with a luminous flux of 400 lux including blue light with a luminous flux of 100 lux and, preferably, with an irradiance that is larger than 5
  • mW/nm/m 2 preferably in the wavelength range from 440 nm to 500 nm, preferred from
  • 450 nm - 490 more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm, when the luminous flux and irradiance are measured at a distance of 3 metres from the lamp.
  • the blue LEDs emit light with a centre wavelength of 465 nm and have a FWHM (full-width- half-maximum) of 25 nm.
  • the white LEDs have a blue LED coated with a phosphor layer that emits Stokes-shifted light at about 500 - 700 nm.
  • the illustrated lamps 12 are configured to be attached pairwise to left and right parts, respectively, of the horizontal top part 32 of a frame 34 of a window 36 that provides daylight illumination of a room (not shown).
  • the LEDs are mounted in the lamp housings 14 so that the frame 34 of the window 36 is illuminated by the LEDs and the room (not shown) is illuminated by light from the lamps 12 that has been reflected, e.g. diffusely reflected, into the room by the frame 34 of the window 36.
  • each LED is mounted in the lamp housing 14 so that a centre part of the light emitted by the LED is directed towards a part of the frame 34 when the lamp 12 is mounted in its intended position for use, whereby light 30 emitted by the lamps 12 is reflected by the frame 34 of the window 36 for illumination of the room in combination with sunlight entering the room through the window pane.
  • the illuminated parts of the frame 34 may be coated with a reflective material for improved illumination of the room.
  • Different LEDs can be mounted in the lamp housing 14 for emission of light along different centre directions of propagation 30 for illumination of different parts of the frame 34 of the window 36 also illuminated by sunlight at respective different times during a day.
  • various groups of LEDs of the lamps 12 may be arranged for emission of light in different respective directions 30 for illumination of different respective parts of the frame 34 of the window 36 also illuminated by the sun at various angles of incidence of sunlight during the day, and the groups of LEDs may be individually turned on and off in a sequence that corresponds to the changing angle of incidence of sunlight as a function of time.
  • the lamps 12 may comprise one or more optical elements (not shown), such as lenses, lens arrays, micro-lenses, micro-lens arrays, reflectors, diffractive optical elements, etc., positioned in respective propagation paths of light emitted by the LEDs for directing the emitted light into desired directions, e.g. thereby preventing emission of light, or minimizing the amount of light emitted, out of the window and the room.
  • optical elements such as lenses, lens arrays, micro-lenses, micro-lens arrays, reflectors, diffractive optical elements, etc.
  • the part 24 of the lamp housing 14 attached to the top part 32 of the frame 34 of the window 36 is made of aluminium for heat dissipation and has a surface with an adhesive 26 for attachment of the lamp 12 in an easy and convenient way to the frame 34 of the window 36 without modifying the frame 34.
  • Each of the lamps 12 has two light sensors 28 (not shown) mounted in the lamp housing 14 and facing the room for sensing overall light intensity.
  • Each of the lamps 12 may also comprise one or more ultraviolet light sources (not shown), e.g. ultraviolet LEDs, for emission of ultraviolet light, preferably in the UVB range from 280 nm to 380 nm, such as from 280 nm to 320 nm, such as from 300 nm - 320 nm, such as from 300 nm - 310 nm.
  • ultraviolet light sources e.g. ultraviolet LEDs
  • UVB range 280 nm to 380 nm, such as from 280 nm to 320 nm, such as from 300 nm - 320 nm, such as from 300 nm - 310 nm.
  • Human bodies exposed to ultraviolet light increase their production of vitamin D.
  • the ultraviolet light emitted by the lamp or light fitting may supplement sun light entering the room through the window pane so that the resulting light illuminating the room has a ultraviolet spectrum similar to the spectrum of ultraviolet sunlight, e.g. by supplying the part of the ultraviolet light that is prevented from entering the room through the window by the optical filtering of the material of the window pane.
  • the ultraviolet light may be emitted intermittently for control of the amount of exposure to ultraviolet light.
  • the ultraviolet light emitted by the lamp or light fitting may be adjusted to an optimum for the production of vitamin D in a human body.
  • the light controller may be configured to control, e.g. individually, one or more or all of the ultraviolet light sources to emit ultraviolet light with an irradiance ranging from 0.005 W/m 2 - 0.8 W/m 2 , preferably from 0,01 W/m 2 - 0,7 W/m 2 , preferred from 0,05 W/m 2 - 0,6 W/m 2 , more preferred 0,1 W/m 2 - 0,5 W/m 2 , more preferred from 0,3 W/m 2 - 0,4 W/m 2 , preferably measured at a distance ranging from 50 cm to 300 cm, preferred from 100 cm to 200 cm.
  • Each of the lamps 12 also comprises a time keeping unit (not shown) keeping track of the time of day and accommodated in the lamp housing 14.
  • Each of the lamps 12 also comprises a light controller (not shown) accommodated in the lamp housing 14 and controlling the plurality of light sources 16 in response to the intensity of light sensed by the light sensors 28 and the time provided by the time keeping unit.
  • a light controller (not shown) accommodated in the lamp housing 14 and controlling the plurality of light sources 16 in response to the intensity of light sensed by the light sensors 28 and the time provided by the time keeping unit.
  • the light controller is configured for control of turn-on and turn-off of the blue and white LEDs and the intensity of the emitted light from the blue and white LEDs in response to the time provided by the time keeping unit.
  • each of the illustrated lamps 12 is a self-contained unit.
  • Each of the lamp housings 14 may further accommodate a control element (not shown), e.g. a knob for human adjustment of the intensity of light currently emitted by the lamp 12. Subsequent to an adjustment, the light controller continues to vary the intensity of light in the same pre-determined way as before adjustment, e.g. if the light intensity has been lowered by 3 dB, the light controller will lower all intensities as function of time with 3 dB after the adjustment.
  • a control element e.g. a knob for human adjustment of the intensity of light currently emitted by the lamp 12.
  • the light controller is configured to control the intensity of the emitted light as a function of time of day, e.g. corresponding to, or in the same way, as the intensity of daylight varies relatively during an equinox.
  • a function of time of day e.g. corresponding to, or in the same way, as the intensity of daylight varies relatively during an equinox.
  • the room may be sufficiently illuminated by sun light so that the light controller turns the lamp 12 off, whereas during a winter day with bad weather conditions, the room may receive very little sun light and the light controller controls the LEDs 18, 20 of the lamp 12 to emit light with a spectrum similar to the visible spectrum of sun light and with a high intensity as a function of time of day so that the resulting illumination of the room will correspond to the illumination of a bright day.
  • the light controller may control the LEDs 18, 20 to emit light that is perceived cold bluish and may have a colour temperature of around 6000 Kelvin and in the evening, the light controller may control the LEDs 18, 20 to emit light that is perceived reddish and may have a colour temperature of around 2000 Kelvin.
  • Each of the lamps 12 may comprise, or be connected with, a movement sensor (not shown) for sensing human movement in the room and the light controller may be configured for controlling the LEDs in response to a signal from the movement sensor, e.g. the light controller may turn the LEDs off when no human presence is detected by the movement sensor.
  • a movement sensor not shown
  • the light controller may be configured for controlling the LEDs in response to a signal from the movement sensor, e.g. the light controller may turn the LEDs off when no human presence is detected by the movement sensor.
  • Fig. 3 schematically illustrates a lamp system 10 wherein various parts of the system 10 are interconnected through a Wide-Area-Network (WAN), namely the Internet.
  • WAN Wide-Area-Network
  • the illustrated lamp system 10 further utilizes cloud based services, e.g. for accessing data relating to the activities of a human.
  • the illustrated lamp system 10 may have lamps 12 with the same mechanical configuration with LEDs, and possibly ultraviolet LEDs, arranged in the same way as disclosed above with reference to Figs. 1 and 2.
  • the electronic circuitry of the lamps 12 are different as explained in more detail below.
  • the illustrated lamp system 10 may control the lamps 12 of the system in the same way as explained above with reference to Figs. 1 and 2, and time keeping units, light sensors, and other sensors may be positioned and connected in the system for cooperation in the same way as explained above with reference to Figs. 1 and 2.
  • the illustrated lamp system 10 may also comprise lamps of a different mechanical construction as is well-known in the field of light therapy, e.g. portable lamps (not shown) with blue LEDs, e.g. used during travelling.
  • lamps of a different mechanical construction as is well-known in the field of light therapy, e.g. portable lamps (not shown) with blue LEDs, e.g. used during travelling.
  • the illustrated lamp system 10 comprises a plurality of lamps 12 (or light fittings), each of which having a lamp housing 14 accommodating a plurality of light sources (not shown) for emission of visible light, including blue light.
  • Some of the lamps 12, or all of the lamps 12, may be mounted in different windows for illumination of different rooms of the same building; or, of different buildings.
  • Some of the lamps 12, or all of the lamps 12, may be mounted in ceilings or may be positioned on the floor or on tables.
  • the light controller of the lamp system 10 and each of the lamps 12 comprise an interface to a wired Local-Area-Network (LAN) and/or a wireless LAN (BlueTooth, WiFi), and/or a mobile telephone network (3G, 4G) and/or another Wide-Area-Network (WAN), such as the Internet 38 for interconnection of the light controller with the lamps 12 through the network.
  • LAN Local-Area-Network
  • WLAN wireless LAN
  • WAN Wide-Area-Network
  • the lamps 12 are connected with other parts of the lamp system 10 through the Internet 38.
  • various parts of the lamp system 10, and other devices connected to the lamp system 10 may reside in any location remote from each other provided that the locations have access to the Internet 38.
  • the light controller may reside on a server 46, 48, or may be distributed among a plurality of servers 46, 48, connected to the Internet 38 and thus residing anywhere in the world in a location with Internet access.
  • the light controller may receive inputs and control one or more of lamps 12 as desired via the Internet 38.
  • One or more light sensors may be mounted for sensing intensity of natural daylight, e.g. on the outside of a building.
  • the building may have a plurality of windows, each of which has one or more lamps 12 mounted to it, wherein each of the lamps 12 is controlled by the light controller in response to the intensity of the natural daylight outside the building as sensed by the one or more light sensors.
  • One or more light sensors may be mounted inside a room illuminated through a window that has one or more lamps 12 mounted to it, wherein the one or more light sensors is/are mounted for sensing of the daylight entering the window without sensing light emitted by the one or more lamps 12, and wherein the one or more lamps 12 is/are controlled by the light controller in response to the intensity of the natural daylight entering the window as sensed by the one or more light sensors.
  • Some rooms may have a plurality of windows 36, each of which has one or more lamps 12 mounted to it, and the one or more light sensors may be mounted for sensing daylight entering one of more of the windows 36 without sensing light emitted by the one or more lamps 12, and each of the lamps 12 may be controlled by the light controller in response to the intensity of the natural daylight entering one or more of the windows as sensed by the one or more light sensors.
  • the one or more light sensors may be positioned for sensing daylight in combination with light emitted by the one or more lamps 12, and the light controller may be configured for controlling the one or more lamps 12 in response to the intensity of the combination of daylight and light emitted by the one or more lamps 12 as sensed by the one or more light sensors.
  • the light controller may be configured to, e.g. individually, control one or more lamps 12 mounted for illumination of one or more rooms so that the intensity of light illuminating the one or more rooms varies as a function of time, e.g. corresponding to, or in the same way, as the intensity of daylight varies during a day, e.g. having a colour temperature
  • the colour temperature of sunlight at a selected time of day, e.g. at the current time of day, e.g. at the current date of the year; or, at a selected date of the year, such as the autumnal equinox or the spring equinox.
  • the light controller may be configured to control, e.g. individually, one or more lamps 12 mounted for illumination of one or more rooms so that the visible spectrum of the combined daylight having entered the room and the light emitted by the one or more lamps of light fittings has a desired shape, or substantially a desired shape, e.g. with a desired flux and irradiance of blue light and/or having the colour temperature of sunlight, e.g. at a selected time of day; e.g. at the current time of day, e.g. at the current date of the year; or, at a selected date of the year, such as the autumnal equinox or the spring equinox.
  • the lamp housings 14 may accommodate a control element (not shown), such as a knob, one or more keys, a switch, a slider, etc. for human adjustment of the intensity of light currently emitted by the lamp 12. Subsequent to an adjustment, the light controller may continue to vary the intensity of light illuminating the room in the same way, relatively, as before adjustment.
  • a control element such as a knob, one or more keys, a switch, a slider, etc.
  • the lamp system 10 comprises one or more hand-held units, each of which is configured for connection to the light controller and has a user interface configured for user entry of user data, and wherein the hand-held unit is configured to transmit user data to the light controller, and wherein the light controller is configured for controlling the plurality of light sources in response to the user data.
  • the hand-held unit may be a smartphone 40 or a tablet 42 or a wearable computer, such as a smartwatch 44, an activity tracker (not shown), etc., and has an interface to a wired Local-Area-Network (LAN) and/or a wireless LAN (BlueTooth, WiFi), and/or a mobile telephone network (3G, 4G), and/or a Wide-Area-Network (WAN), namely the internet, and may be configured to be interconnected with a remote server 46 through the Internet 38, e.g. for storage of data from sensors of the hand-held unit, for entry of user data, etc.
  • LAN Local-Area-Network
  • WiFi wireless LAN
  • WAN Wide-Area-Network
  • the light controller may have access to data, such as personal health data and/or electronic time management and/or data provided by communication tools relating to and used by one or more users of the lamp 12.
  • the tools and the stored information typically reside on one or more remote servers 46, 48 accessed through the Internet 38.
  • Internet 38 may access the one or more remote servers 46, 48 through the Internet 38 and may be used to enter information relating to the users.
  • the tools may include electronic calendar system(s), email system(s), such as Microsoft Outlook, Windows Mail, Mozilla Thunderbird, Apple Mail, Opera Mail, Hotmail, Gmail, etc., social network(s), professional network(s), such as Facebook ®, Linkedln ®, Google+, Twitter, MySpace, etc., well-known for management of appointments and other daily activities and communications.
  • email system(s) such as Microsoft Outlook, Windows Mail, Mozilla Thunderbird, Apple Mail, Opera Mail, Hotmail, Gmail, etc.
  • social network(s) such as Facebook ®, Linkedln ®, Google+, Twitter, MySpace, etc., well-known for management of appointments and other daily activities and communications.
  • the light controller may reside in a smartphone 40 or in a tablet 42.
  • the lamp system may comprise one or more movement sensors 50 for sensing human movement in a room accommodating one or more of the movement sensors 50, and wherein the light controller is configured for controlling lamps in a room in response to the amount of movement sensed by the one or more movement sensors 50 accommodated in the room.
  • the lamp system may comprise one or more personal health sensors configured, e.g.
  • a smart watch 44 residing in a smart watch 44 and/or in an activity tracker and/or in a smartphone 40, to be worn by a human and sensing at least one health parameter, e.g. selected from the group consisting of body temperature, skin conductivity, heart rate, and blood pressure, and wherein the light controller is configured for controlling one or more lamps in response to parameter values sensed by one or more personal health sensors.
  • a health parameter e.g. selected from the group consisting of body temperature, skin conductivity, heart rate, and blood pressure
  • the lamp system may comprise one or more personal environment sensors, e.g. residing in a smart watch 44 and/or in an activity tracker and/or in a smartphone 40 and/or in a tablet 42, configured to be worn by a human, e.g. selected from the group consisting of accelerometer, gyroscope, compass, ambient light sensor, UV sensor, GPS-unit, and barometer, and wherein the light controller is configured for controlling one or more lamps in response to parameter values output by one or more personal environment sensors.
  • a personal environment sensors e.g. residing in a smart watch 44 and/or in an activity tracker and/or in a smartphone 40 and/or in a tablet 42, configured to be worn by a human, e.g. selected from the group consisting of accelerometer, gyroscope, compass, ambient light sensor, UV sensor, GPS-unit, and barometer, and wherein the light controller is configured for controlling one or more lamps in response to parameter values output by one or more personal environment sensors.
  • the lamp system may be interconnected with wearables used by a human, such as smart phones, smart watches, such as the Apple Watch, the Samsung Gear, the Pebble Watch, etc., activity trackers, such as the Fitbit Flex and others by Fitbit, the Garmin Vivofit or others by Garmin, the Sony Smartband or others by Sony, etc., etc., utilizing data from their sensors as already mentioned, typically including an ambient light sensor, GPS, an accelerometer, a time keeping unit, etc.
  • wearables used by a human, such as smart phones, smart watches, such as the Apple Watch, the Samsung Gear, the Pebble Watch, etc.
  • activity trackers such as the Fitbit Flex and others by Fitbit, the Garmin Vivofit or others by Garmin, the Sony Smartband or others by Sony, etc., etc., utilizing data from their sensors as already mentioned, typically including an ambient light sensor, GPS, an accelerometer, a time keeping unit, etc.
  • a user interface of the lamp system 10 may reside in a smartphone 40 or in a tablet 42, and the smartphone 40 or tablet 42 may execute an app allowing the user to control the lamp system 10, e.g. for adjustment of one or more selected lamps 12, selection of programs controlling parameters of light emitted by the one or more selected lamps 12 as a function of time, etc.
  • Various programs for control of lamps 12 in response to sensor data, personal data, date and time, and user commands entered with the user interface may be downloaded to the smartphone 40 or tablet 42 and be selected for execution with the user interface.
  • the Internet 38 may be accessed through a mobile telephone network, such as GSM, IS-95, UMTS, CDMA-2000, etc.
  • a mobile telephone network such as GSM, IS-95, UMTS, CDMA-2000, etc.
  • the data may include schedules of tasks to be performed, such as tournament days, competition dates, anniversaries, appointments, meetings, etc.
  • the light controller resides in a smartphone 40 and executes an app for control of lamps 12.
  • the app has been downloaded from a remote server and updates may be regularly received from the server.
  • the light controller controls the lamps 12 based on time in accordance with the circadian rhythm of an equinox, and based on sensor data, and based on planned activities as recorded in an electronic calendar residing on a remote server 46, 48 and accessed by the light controller.
  • the equinox is divided into time periods, namely 1) morning, 2) afternoon, and 3) evening and night.
  • the sensor data are received form light sensors and wearables with GPS and activity trackers and movement sensors. Planned activities may include work, exercise, and education.
  • the light controller controls lamps 12 to emit light with a luminance of 400 lux including 100 lux of blue light (peak wavelength is 460 nm) and, preferably, with an irradiance that is larger than 5 mW/nm/m 2 , preferably in the wavelength range from 440 nm to 500 nm, preferred from 450 nm - 490, more preferred from 450 nm - 480 nm, more preferred from 450 nm - 470 nm, more preferred from 455 nm - 465 nm, at a distance of 3 metres from the lamp in question during the morning and afternoon before and during work or exercise or education.
  • the light controller turns lamps 12 off during the evening and night or when nobody is present in a room illuminated by the lamp 12 in question as detected by movement detectors and/or wearables or subsequent to a period with intense activities.
  • a light controller configured for controlling the plurality of light sources in response to The light controller may be configured to control the plurality of light sources in response to personal data of a human, such as age, eye colour, chronotype (morning/evening person), etc.
  • the table below illustrates how the light controller may operate to adjust illuminance in response to personal data : Age Eyes of dark colour Eyes of bright colour

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Abstract

La présente invention concerne un système de lampe, qui comprend une lampe avec un boîtier de lampe logeant une pluralité de sources de lumière pour l'émission de lumière visible, y compris de lumière bleue, une unité de chronométrage, un capteur de lumière pour détecter l'intensité de la lumière incidente sur celui-ci, et un dispositif de commande de lumière conçu pour commander la pluralité de sources de lumière en réponse à l'intensité de la lumière détectée par le capteur de lumière et au temps fourni par l'unité de chronométrage, caractérisé en ce que la lampe émet de la lumière bleue pendant une durée sélectionnée, la lumière bleue possédant un flux lumineux allant de 50 lux à 200 lux et, de préférence, un éclairement qui est supérieur à 5 mW/nm/m2 dans une plage de longueurs d'onde sélectionnée, par exemple dans la plage de longueurs d'onde de 440 nm à 500 nm, telle que mesurée à une distance de 3 mètres de la lampe.
PCT/EP2016/061017 2015-05-16 2016-05-17 Lampe de simulation de lumière solaire WO2016184852A1 (fr)

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CN107062456A (zh) * 2017-04-14 2017-08-18 珠海格力电器股份有限公司 空调系统及空调系统的控制方法
CN108553764A (zh) * 2018-03-21 2018-09-21 厦门通秴科技有限公司 人体康复保健治疗照明灯及系统
JP2020202907A (ja) * 2019-06-14 2020-12-24 株式会社坪田ラボ 室内設置型バイオレットライト装置及びシステム
WO2021148372A1 (fr) * 2020-01-23 2021-07-29 Signify Holding B.V. Rendu de lumière avec des composants uv et cyan en fonction de l'heure de la journée
US20220295613A1 (en) * 2019-02-19 2022-09-15 Seoul Semiconductor Co.,Ltd. Led lighting apparatus and lighting system having the same
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CN107062456A (zh) * 2017-04-14 2017-08-18 珠海格力电器股份有限公司 空调系统及空调系统的控制方法
CN108553764A (zh) * 2018-03-21 2018-09-21 厦门通秴科技有限公司 人体康复保健治疗照明灯及系统
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US11859778B2 (en) 2019-04-17 2024-01-02 Biological Innovation And Optimization Systems, Llc Color separation lighting devices
JP2020202907A (ja) * 2019-06-14 2020-12-24 株式会社坪田ラボ 室内設置型バイオレットライト装置及びシステム
WO2021148372A1 (fr) * 2020-01-23 2021-07-29 Signify Holding B.V. Rendu de lumière avec des composants uv et cyan en fonction de l'heure de la journée

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