WO2020111877A1 - 인체 내 기능성 물질 합성용 광 조사 장치 - Google Patents
인체 내 기능성 물질 합성용 광 조사 장치 Download PDFInfo
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- WO2020111877A1 WO2020111877A1 PCT/KR2019/016756 KR2019016756W WO2020111877A1 WO 2020111877 A1 WO2020111877 A1 WO 2020111877A1 KR 2019016756 W KR2019016756 W KR 2019016756W WO 2020111877 A1 WO2020111877 A1 WO 2020111877A1
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- 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
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Definitions
- the present invention relates to a light irradiation device for synthesizing a functional substance in the human body.
- the sunlight includes light in the ultraviolet wavelength band and the infrared wavelength band as well as the visible wavelength band. Since light in each wavelength band of sunlight can have various effects, whether good or bad for the human body, it is necessary to develop a light irradiation device having a spectrum similar to sunlight but having various functions without risk.
- the present invention has an object to provide a light irradiation device for promoting the synthesis of functional substances in the human body.
- One embodiment of the present invention relates to a light irradiation device for promoting the synthesis of functional substances in the human body, the light irradiation device comprising: a first light source that emits first light in a visible light wavelength band; And a second light source emitting at least some wavelength band different from the wavelength band of the first light source and emitting a second light that promotes synthesis of a functional material in a light application target, wherein the second light is of the ultraviolet B wavelength band.
- a first light source that emits first light in a visible light wavelength band
- a second light source emitting at least some wavelength band different from the wavelength band of the first light source and emitting a second light that promotes synthesis of a functional material in a light application target, wherein the second light is of the ultraviolet B wavelength band.
- the second light may include light in a wavelength band of about 280 nm to about 315 nm.
- the light irradiation device may further include light in the ultraviolet A wavelength band and light in the ultraviolet C wavelength band.
- the second light source when the dose of the harmless range is the allowable dose amount when the second light is applied to the human body, the second light source may emit the second light within the allowable dose amount.
- the allowable dose amount of the second light may be about 30 J/m 2 to about 10000 J/m 2 .
- the allowable dose amount of the second light is set to a different value according to a predetermined time of day or year, and the light amount of the second light source can be controlled according to the allowable dose amount.
- the allowable dose amount of the second light may vary depending on the position of the human body, and the second light source may control the light amount according to the allowable dose amount of the second light.
- the first light source has a wavelength band of about 380 nm to about 780 nm, and an area of about 55% or more compared to an area of the normalized solar spectrum within a range of color temperature from about 2600K to about 7000K Light having a can be emitted.
- the normalized solar spectrum may be represented by Equation 1 below.
- the light irradiation device may further include a sensor unit for sensing the human body.
- the light irradiation device controls the on/off of the first and second light sources according to the presence or absence of the human body, and at least one light emission direction of the first and second light sources It may further include a driving unit for controlling the.
- the sensor unit detects whether the human body moves, and the driving unit may change the light emission directions of the first light source and the second light source according to whether the human body moves.
- the light irradiation apparatus further includes a light source substrate on which the first and second light sources are mounted, and a tilting member provided on the light source substrate to adjust an angle at which the light source substrate is inclined. can do.
- the light source substrate, the first and second light sources are provided in plural, and the tilting member is provided for each light source substrate and can be driven independently.
- the light irradiation apparatus may further include one or more switches for controlling on/off of at least one of the first light source and the second light source.
- the light irradiation apparatus is controlled by the user on/off of at least one of the first light source and the second light source, or the first light source and the second light source according to a preset program On/off of at least one of them may be controlled.
- the light irradiation apparatus includes a control unit for controlling, and the control unit controls the light source unit to calculate a dose amount of light to be emitted based on the location information, and to emit light corresponding to the dose amount.
- control unit may calculate an appropriate dose amount based on the location information provided from the location information receiver, and control the light source to emit an appropriate dose amount.
- the location information receiving unit calculates location information of the light irradiation device, and the control unit receives the location information and calculates a dose amount of external light at a location where the light irradiation device is located, , It can be controlled to emit the light by the difference between the appropriate dose amount and the dose amount of the external light.
- control unit may calculate time information from the location information, and control the dose amount of the light according to the time information.
- control unit may control the light sources to emit light below the allowable dose.
- the light source may include a plurality of light sources emitting light of different wavelength bands.
- the light source includes a first light source that emits the first light in the visible light wavelength band, and a second light source that emits the second light in a wavelength band different from the wavelength band of the first light. can do.
- the second light may have an ultraviolet wavelength band.
- the control unit may control the second light to be emitted below a maximum allowable dose.
- the second light may have a wavelength band of about 240nm to about 280nm.
- the first light has a wavelength band of about 380nm to about 780nm, and an area of about 55% or more compared to an area of the normalized solar spectrum within a range of color temperature from about 2600K to about 7000K.
- the first light may include a wavelength band of about 400 nm to about 500 nm.
- the second light may have a red to near infrared wavelength band.
- the second light may have a wavelength band of about 610 nm to about 940 nm.
- the light source includes a first light source that emits the first light in the visible wavelength band, a second light source that emits the second light in the ultraviolet wavelength band, and a third light in the infrared wavelength band. It may include a third light source to emit.
- control unit may be irradiated by mixing at least two of the first to third lights.
- a plurality of light sources are provided, and the light sources may be driven independently.
- the light irradiation apparatus can be used as illumination and has an effect of promoting the synthesis of functional substances in the human body.
- FIG. 1 is a plan view showing a light irradiation device according to an embodiment of the present invention.
- FIG 2 shows a spectrum of the first light emitted from the first light source in one embodiment of the present invention.
- FIG. 3A shows the spectrum of the first light emitted from the first light source in one embodiment of the present invention
- FIG. 3B shows the spectrum of the first light shown in FIG. 3A together with the solar spectrum.
- FIGS. 4A to 4C are block diagrams illustrating a light irradiation device according to an embodiment of the present invention.
- FIG. 5A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 5B is a cross-sectional view taken along line I-I' in FIG. 5A.
- FIG. 6A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 6B is a cross-sectional view taken along line II-II' of FIG. 6A.
- FIG. 7A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 7B is a cross-sectional view taken along line III-III' of FIG. 7A.
- FIG. 8A is a plan view of a light irradiation device according to an embodiment of the present invention
- FIG. 8B is a cross-sectional view taken along line IV-IV' of FIG. 8A
- FIG. 8C is a light irradiation device employing a tilting member. It is a sectional view showing that the light source substrate is inclined by driving.
- Figure 9 shows the intensity of the ultraviolet light of the sunlight according to the time during the day.
- FIG. 10 is a plan view showing a light irradiation apparatus according to another embodiment of the present invention.
- FIG. 11 is a block diagram showing a light irradiation apparatus according to another embodiment of the present invention.
- FIG. 12 is a flowchart illustrating a method of driving a light irradiation apparatus according to another embodiment of the present invention.
- FIG. 13 illustrates a spectrum of light emitted from a light source in the light irradiation apparatus according to another embodiment of the present invention.
- FIG. 14 is a flowchart illustrating a method of driving a light irradiation apparatus according to another embodiment of the present invention.
- 15A is a light irradiation apparatus according to another embodiment of the present invention, showing that two light sources are provided, that is, a first light source and a second light source, and FIG. 15B shows three light sources, that is, the first light source. It shows what is provided as a light source, a second light source, and a third light source.
- FIG. 1 is a plan view showing a light irradiation device according to an embodiment of the present invention.
- the light irradiation apparatus 100 includes a first light source 30 for emitting first light, a second light source 40 for emitting second light, and the first and second light sources It includes a light source substrate 20 for mounting (30, 40).
- the light irradiation apparatus 100 may be used as illumination as an individual light emitting source capable of realizing a spectral distribution of a specific wavelength band.
- the first light source 30 may emit light in the visible light wavelength band.
- the light irradiation apparatus according to an embodiment of the present invention may be used as a light source that provides light that promotes a reaction of synthesizing a functional substance so that the human body can synthesize a predetermined functional substance in the body when applied to the human body.
- the second light source 40 emits light in a wavelength band that promotes the synthesis of functional substances in the human body, for example, an ultraviolet wavelength band.
- the first light from the first light source includes light in the visible light wavelength band
- the second light from the second light source includes light in the ultraviolet wavelength band.
- at least some wavelength bands of the first light and the second light are different from each other.
- the light source substrate 20 is particularly capable of mounting the first and second light sources 30, 40. It is not limited, and may be provided in various forms.
- the light source substrate 20 may be provided in a form including wiring so as to supply power to the first and second light sources 30 and 40.
- the light source substrate 20 may be formed of, for example, a metal substrate on which wiring is formed, a printed circuit board, or the like.
- the first light source 30 and the second light source 40 may be driven simultaneously or separately, respectively. That is, the first and second light sources 30 and 40 may be turned on/off at the same time, and the first light source 30 and the second light source 40 may be turned on/off separately.
- the intensity of the light emitted from the first light source 30 and the second light source 40 that is, the intensity of the first and second light may also be controlled simultaneously or separately.
- the first light source 30 emits light in a visible light wavelength band, and is provided to be used as illumination illuminating a predetermined space.
- the first light source 30 may be a light emitting diode, a fluorescent lamp, or the like that emits light in a visible light wavelength band.
- the type of the first light source 30 is not limited thereto.
- the x-axis is wavelength (nm) and the y-axis is relative intensity.
- a spectrum of a light emitting diode that emits light in a visible light wavelength band is illustrated as an example.
- the first light source emits light in a wavelength band of about 380 nm to about 780 nm as the first light.
- the first light source functions as illumination illuminating a predetermined area.
- the first light emitted from the first light source may include light emitted from the ultraviolet region or the infrared region, but its intensity is very weak, and most of the light is distributed in the visible light wavelength band.
- the second light source emits light that induces and promotes the synthesis of certain functional substances in the human body.
- the light emitted by the second light source that is, the second light may include various wavelength bands capable of inducing the synthesis of a specific functional material of the human body.
- the second light can be ultraviolet light, visible light and/or infrared light.
- the second light may overlap the first light in some wavelength bands, but at least some wavelength bands emit light in a different wavelength band from the first light.
- the second light may be in the ultraviolet wavelength band, particularly in the ultraviolet wavelength band may be the wavelength band of ultraviolet B.
- the target for applying light may be an organism, for example, a plant or an animal, to which a specific functional material can be synthesized upon exposure to a predetermined light, and particularly for a human body.
- vitamin D which is one of the functional substances in the human body, may be synthesized when exposed to a predetermined ultraviolet ray.
- the ultraviolet light applied to the human body may be in the ultraviolet B wavelength band, and when the human body is exposed to the vitamin B wavelength band, 7-dehydrocholesterol in skin cells is cholecalciferol, that is, ( Vitamin D3).
- the second light corresponding to ultraviolet B may include light in a wavelength band of about 280 nm to about 315 nm.
- the wavelength band of the second light is not limited thereto, and in addition to the wavelength band of ultraviolet light B, it may also include light in the ultraviolet A and/or ultraviolet C wavelength band.
- the second light is applied to the human body at an amount less than the allowable dose.
- the allowable dose amount means a dose amount in a range harmless to the human body when applied to the human body.
- the allowable dose amount of the second light may be about 30 J/m 2 to about 10000 J/m 2 .
- the light irradiation apparatus includes a first light source for general lighting and a second light source that promotes the synthesis of a functional material, so that it can be used as general lighting and at the same time The effect of accelerating the synthesis of functional substances can be obtained.
- the first light source may be used in a variety of limits that can be used as illumination.
- FIG. 3A shows a spectrum of the first light emitted from the first light source in another embodiment of the present invention.
- the x-axis is wavelength (nm) and the y-axis is relative intensity.
- the first light source may emit first light having a wavelength band of about 380 nm to about 780 nm. Since the first light in this embodiment has a spectrum similar to that of sunlight, the first light will be described in comparison with sunlight.
- FIG. 3B shows the spectrum of the first light shown in FIG. 3A together with the solar spectrum.
- the first light corresponds to light having an area of about 55% or more compared to an area of the normalized solar spectrum within a range of about 2600K to about 7000K.
- the peak of the first light may have a deviation of 0.14 or less from the normalized solar spectrum.
- the normalized solar spectrum may be represented by Equation 1 below.
- the spectrum indicated by RS is a solar spectrum
- the spectrum indicated by ES is a spectrum of light emitted by a light source according to an embodiment of the present invention.
- the solar spectrum corresponds to a color temperature of 5000K.
- the first light source according to an embodiment of the present invention has a spectrum similar to sunlight. However, the first light source according to an embodiment of the present invention differs from sunlight in that it emits light except for most of the ultraviolet wavelength band.
- the light source according to an embodiment of the present invention emits light having a wavelength band of about 380 nm to about 780 nm corresponding to substantially the entire wavelength band of visible light.
- the first light source according to an embodiment of the present invention may emit light corresponding to a partial wavelength band of visible light instead of the entire wavelength of visible light, and emit light having a wavelength band of about 400 nm to about 630 nm, for example. can do.
- the meaning that is similar to sunlight is based on a normalized solar spectrum
- the area overlapped with the existing invention is a predetermined value or more
- the deviation of the peak from the solar spectrum The degree of deviation from the peak of the solar spectrum is also referred to as below a predetermined value.
- the light source may emit light having an area of at least about 55% of the area of the normalized solar spectrum, and the peak of the light is about 0.14 compared to the normalized solar spectrum. It may have the following deviations.
- sunlight may have various color temperatures according to time
- the light source according to an embodiment of the present invention may emit light having a spectrum similar to sunlight having different color temperatures.
- Sunlight can produce various treatment effects by being applied to the human body, especially the human eye.
- the prevalence of myopia may be lowered when frequently exposed to sunlight.
- the outdoor activity time is small and the proper sunlight is not exposed, the possibility that the eyeball grows long and becomes elliptical may increase myopia, but when the first light source similar to sunlight is used as in the present invention, the myopia prevalence decreases.
- the first light source provides light having a wavelength band very similar to that of sunlight, side effects caused by excessive blue light may be minimized.
- the intensity of light in the blue wavelength band may be very high due to the characteristics of the existing light emitting diode.
- the second light source is mainly light including an ultraviolet wavelength band
- light of a blue wavelength band may be emitted together even if the intensity is weak.
- the intensity of the blue wavelength band light is very large.
- light of an excessive blue wavelength is continuously exposed to the eye, there is a problem that the risk of developing eye diseases such as macular degeneration and cataracts of the eye increases.
- the light source according to another embodiment of the present invention is used as the first light source, since light in the blue wavelength band is not particularly strong, similar to sunlight, relative to all wavelength bands without excessively emitting blue wavelength light As a result, light of an appropriate intensity can be irradiated. Accordingly, side effects due to excessive light exposure in the blue wavelength band are minimized.
- the light source according to an embodiment of the present invention when used as the first light source, since light in the wavelength band of 380 nm to about 780 nm is emitted, light in the ultraviolet wavelength band is substantially not emitted or very small amount is emitted. Accordingly, when ultraviolet rays are provided using the second light source, ultraviolet rays having a degree similar to that of sunlight, in particular, ultraviolet B having a degree similar to that of sunlight can be provided.
- the light irradiation apparatus may be provided with one or more switches so that the user can directly control the on/off of the first light source and/or the second light source.
- the switch may be disposed adjacent to the first and/or second light sources, or may be disposed spaced apart from the first and/or second light sources.
- the switch may be electrically and physically connected to the first and/or second light sources, but is not limited thereto, and may be wirelessly connected.
- the shape of the switch can be provided in various ways, and if the signal can be input, the shape is not limited.
- the switch may take the form of a general push button, or may have the form of a touch input device using a touch screen.
- the user may directly or manually control whether the first and/or second light sources are on or off, as well as using an automatic program.
- the user can set a mode in which the driving time and the light emission degree of the first and/or second light sources are programmed in advance, and by executing this, the first and/or second light sources are automatically turned on/off without additional user input. Can be controlled.
- the light irradiation apparatus enables a user to contact light very similar to sunlight regardless of place and time, and in addition, to selectively contact light of a specific wavelength such as ultraviolet light. do.
- the light irradiation device according to an embodiment of the present invention can be applied to a hospital room where a specific functional material is required to be synthesized, thereby enhancing a therapeutic effect on a patient.
- the light irradiation device according to an embodiment of the present invention can be applied to various portable devices, so there is almost no restriction on place and time. Accordingly, the embodiment of the present invention provides various effects that can be obtained from sunlight to people who cannot access the sunlight, such as being indoors for a long time or giving and working at night.
- the light irradiation apparatus may be implemented in various forms.
- FIGS. 4A to 4C are block diagrams illustrating a light irradiation device according to an embodiment of the present invention.
- the light irradiation apparatus 100 includes a first light source 30 for emitting first light, a second light source 40 for emitting second light, first and It may include a control unit 50 for controlling the second light sources 30, 40, a control unit 50 and a power supply unit 60 for supplying power to the first and second light sources 30, 40.
- each of the first and second light sources 30 and 40 may emit a first light including a visible light wavelength band and a second light including an ultraviolet wavelength band.
- the control unit 50 may control whether light is emitted from the first and second light sources 30 and 40, the amount of light, the intensity of the light, and the emission time.
- the control unit 50 can control whether or not light is emitted or emitted, the amount of light, the intensity of the light, and the emission time in various ways. For example, the method of continuously emitting light, sequentially reducing or increasing the light intensity A method of making, a flashing method, or a mixed method can be adopted.
- the control unit 50 may be connected to one or more switches that allow a user to select on/off of the first and second light sources 30 and 40.
- the power supply unit 60 is electrically connected to the first and second light sources 30 and 40 and the control unit 50 to supply power to the first and second light sources 30 and 40 and the control unit 50.
- the power supply unit 60 is illustrated as supplying power to the first and second light sources 30 and 40 through the control unit 50, but is not limited thereto, and the first and second light sources 30 , 40) may be directly connected to the power supply unit 60 to supply power to the first and second light sources 30 and 40.
- the light irradiation apparatus 100 may be further provided with an optical unit that selectively focuses or diverges light emitted from the first and second light sources 30 and 40.
- the optical unit may focus light generated from the first and second light sources 30 and 40 into a narrow range or a wide area, if necessary. Alternatively, the light may be focused or dispersed in a uniform or non-uniform form according to a position to which light is to be irradiated.
- the optical unit may include at least one or more lenses as necessary, and the lenses may perform various functions such as focusing, dispersing, uniformizing, and non-uniformizing light from the first and second light sources 30 and 40.
- a lens for focusing light on the first and second light sources 30 and 40 is provided.
- a lens for dispersing light may be used.
- the light irradiation apparatus 100 in addition to the components shown in Figure 4a, a sensor for sensing the environment of the place where the light from the light irradiation device 100 is applied A portion 70 may be further included. According to the result detected by the sensor unit 70, the light irradiation device 100 may be driven in a manual mode or an automatic mode.
- the sensor unit 70 is for detecting various factors that may affect the driving of the first and second light sources 30 and 40, and various ones may be provided.
- the sensor unit 70 is a sensor unit 70 that detects the presence or absence of a human body, and may be a motion sensor that detects the motion of the human body. Since the human body is generally accompanied by movement, the presence or absence of movement of the human body can be confirmed by detecting the movement.
- the sensor unit 70 may include an illuminance sensor that detects the presence or absence of external light in a place to which light emitted from the light irradiation device is applied, as well as the human body.
- the controller 50 may drive on/off power of the first light source 30 and the second light source 40 and 25 according to the sensing result of at least one of the illuminance sensor and/or the motion sensor. .
- the motion sensor can detect whether the human body is active. When the user's activity is detected by the motion sensor, the first light source 30 and the second light source 40 may be turned on. If the user's activity is not detected by the motion sensor, the first light source 30 and the second light source 40 may be turned off. Alternatively, the second light source 40 may be turned off when the distance between the light irradiation device and the user reaches a predetermined limit approach distance through a motion sensor.
- the illuminance sensor can detect the illuminance of ambient external light.
- the controller 50 pre-sets the illumination range of the ambient light to at least one or more, and then turns on/off the first and second light sources 30 and 40 according to the detected illumination range of the ambient light, or the first and second The amount of light from the light sources 30 and 40 can be adjusted. For example, if the ambient light of the ambient light is high due to sunlight, the illuminance of the first light source 30 may be lowered and the second light source 40 may be turned off.
- the light irradiation apparatus can be used in various forms such as selectively driving the first and second light sources 30 and 40 according to the activity of the human body or the amount of external light, and the required power is There is a saving effect.
- the light irradiation apparatus in addition to the components shown in Figure 4b, the first light source 30 and the second light source 40 of the light exit direction A driving unit 80 for controlling may be further included.
- the driving unit 80 based on the sensing information from the sensor unit 70, detects the presence or absence of a human body and whether or not the human body moves, so that light is emitted toward the human body or is emitted from the human body. At least one light emission direction of the first light source 30 and the second light source 40 may be changed.
- the driving unit 80 is not particularly limited in shape as long as it can control the light exit positions of the first and second light sources 30 and 40.
- the driving unit 80 may be, for example, a tilting member to be described later.
- FIG. 5A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 5B is a cross-sectional view taken along line I-I' in FIG. 5A.
- the first light source 30, the second light source 40, and the first and second light sources 30 and 40 are mounted in the light irradiation device according to the exemplary embodiment of the present invention. It may include a light source substrate 20.
- a plurality of first light sources 30 may be provided, and a plurality of second light sources 40 may also be provided.
- the first light sources 30 and the second light sources 40 are provided in an equal number, and as shown, may be alternately arranged in a row form.
- the number of the first and second light sources 30 and 40 is not limited thereto, and the number of the first light sources 30 may be more or less than the number of the second light sources 40.
- it may be arranged regularly or irregularly.
- the light irradiation apparatus may further include a housing accommodating the first and second light sources 30 and 40 and the light source substrate 20.
- the housing may be provided with a transmission window through which light emitted from the first and second light sources 30 and 40 is transmitted, and light emitted from the first and second light sources 30 and 40 may be transmitted through the transmission window.
- Light can be provided to the side.
- control unit 50 is formed in a variety of forms, for example, a separate circuit wiring on the light source substrate 20, or is formed of a separate chip to form the light source substrate It may be provided in the form of being mounted on the (20).
- FIG. 6A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 6B is a cross-sectional view taken along line II-II' of FIG. 6A.
- the light irradiation apparatus is a light source substrate in which first and second light sources 30 and 40 are mounted in addition to the components disclosed in the above-described embodiments
- the base substrate 10 on which the 20 is mounted may be further included.
- the base substrate 10 may be provided in a form including wiring so as to supply power to the first and second light sources 30 and 40 and/or the light source substrate 20.
- the base substrate 10 may be provided in various forms, for example, may be made of a metal substrate on which wiring is formed, a printed circuit board, or the like.
- a plurality of light source substrates 20 may be provided, and at least one of the first light sources 30 and at least one of the second light sources 40 may be provided on the light source substrates 20.
- First and second light sources 30 and 40 may be provided, respectively.
- four light source substrates 20 are provided, two light source substrates 20 are provided with first light sources 30 respectively, and the other two light source substrates 20 are provided with second light source substrates 20. It is shown that the light sources 40 are provided respectively.
- each light source substrate 20 may be provided in the form of a package in which a plurality of light sources are mounted, and in this case, the light irradiation device can be easily manufactured in a form in which a plurality of packages are arranged on the base substrate 10. Can be.
- control unit on the at least one light source substrate 20 and the base substrate 10 in various forms, for example, at least one light source substrate 20 and the base substrate 10 separately It may be formed of a circuit wiring or formed of a separate chip may be provided in the form of mounting on at least one light source substrate 20 and the base substrate 10.
- FIG. 7A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 7B is a cross-sectional view taken along line III-III' of FIG. 7A.
- the light irradiation apparatus may further include a sensor unit 70 in addition to the components disclosed in the above-described embodiments.
- the sensor unit 70 may be provided on the base substrate 10.
- the position of the sensor unit 70 is not limited to this, and may be provided on the light source substrate 20, and may be separately disposed at a location spaced apart from the base substrate 10 or the light source substrate 20. It might be. If the sensor unit 70 is disposed in a separate place spaced from the base substrate 10 or the light source substrate 20, the sensor unit 70 and the control unit 50 may be connected by wiring or wirelessly.
- the sensor unit 70 is for detecting various factors that may affect the driving of the first and second light sources 30 and 40, and various ones may be provided.
- the sensor unit 70 is a sensor that detects the presence or absence of a human body, and may also be a motion sensor that detects motion of the human body.
- the sensor 70 may be an illuminance sensor that detects the presence or absence of external light in a place to which light emitted from the light irradiation device is applied, as well as the human body.
- the sensor 70 may further include a rotating member or a vertically moving member that can adjust the sensing direction of the sensor 70.
- the object to be sensed by the sensor 70 can be easily detected using the rotating member or the vertically moving member.
- the senor 70 is provided as one, but is not limited thereto, and the sensor 70 may be provided in various numbers.
- a plurality of sensors 70 of the same type may be provided, or a plurality of different sensors 70 may be provided in various combinations.
- FIG. 8A is a plan view of a light irradiation apparatus according to an embodiment of the present invention
- FIG. 8B is a cross-sectional view taken along line IV-IV' of FIG. 8A.
- the light irradiation apparatus may further include a driver in addition to the components disclosed in the above-described embodiments.
- the driving unit is for controlling the light emission direction of at least one of the first light sources 30 and the second light sources 40.
- the driving unit may be provided to each of the first and second light sources 30 and 40 to individually control the light emission direction of each of the first and second light sources 30 and 40, but the light source substrate 20 may be controlled.
- the light emission direction of the first and second light sources 30 and 40 may be controlled by controlling the inclination.
- each light source substrate 20 and the base substrate It is shown that the tilt member 90 is provided as a driving part between 10). Tilting member 90 is provided between the base substrate 10 and the light source substrate 20, it is possible to adjust the inclination angle of the light source substrate 20.
- the tilting member 90 may be provided in various forms within a limit capable of moving the light source substrate 20 in a predetermined direction.
- the driving unit based on the sensing information from the above-described sensor 70, detects the presence or absence of a human body and whether the human body moves, and then the first light source to allow light to be emitted toward the human body or to escape from the human body ( 30) and at least one of the second light sources 40 may change the light emission direction.
- control unit 50 receives information of the human body from the sensor 70 to control on/off of the first and second light sources 30 and 40 while simultaneously emitting light to the human body.
- the angle of the light source substrate 20 may be changed by using the driving unit, that is, the tilting member 90.
- FIG. 8C is a cross-sectional view showing that the light source substrate 20 is inclined by driving the tilting member 90 in the light irradiation device in which the tilting member 90 is employed.
- the tilting member 90 is provided for each of the light source substrates 20 and can be driven independently.
- the first and second light sources 30 and 40 connected to each driving unit may be individually driven, and thus different directions It is possible to provide individual light to.
- the sensor 70 detects a plurality of human bodies, for example, a plurality of human bodies, it is possible to provide individual lighting according to the movement of the human body.
- a plurality of driving parts may be provided to provide light for each area by arranging light to be emitted for each area.
- the first and second light sources may be individually controlled by the controller to provide the first and second light in various intensities and various directions.
- the light irradiation apparatus according to an embodiment of the present invention has an advantage that at least a portion of the first and second light sources can be provided to the human body in a predetermined dose amount in place of sunlight.
- the synthesis of functional substances is promoted by exposure to light in a specific wavelength band of sunlight. Accordingly, in order to synthesize a certain degree of functional material, the human body needs to be exposed to sunlight to an appropriate degree.
- the wavelength band and intensity of sunlight vary depending on the timing (for example, time of day, day of year), or location (for example, latitude or longitude).
- Figure 9 shows the intensity of the ultraviolet light of the sunlight according to the time during the day. As illustrated in FIG. 9, the intensity of ultraviolet light continuously varies according to the time during the day. Accordingly, it is not easy to expose the human body to sunlight in accordance with the first and second lights of the required degree to the actual human body.
- the lighting apparatus has the advantage of being able to provide the human body with an appropriate amount of light corresponding to sunlight by controlling the first and second light sources according to the time or the location. . That is, depending on the position of the sun, the intensity and irradiation time of the ultraviolet rays of the sunlight, the amount and intensity of light from the first and second light sources so that light below the maximum allowable amount of ultraviolet light is exposed to the human body, in particular the second corresponding to ultraviolet light
- the amount and intensity of light from the light source can be adjusted.
- the allowable dose amount of the second light is set to a different value depending on the season, and the second light from the second light source can be controlled according to the allowable dose amount.
- the light quantity and intensity of the first light and the second light may be set in a plurality of different modes, and the user selects one of a variety of modes, and the mode Depending on the first and second light may be applied.
- the light irradiation apparatus may be set to the first to fifth modes.
- the first mode is a basic lighting mode, and may be a mode that provides only basic lighting (that is, a mode in which only the first light source is turned on), and the second mode is a dynamic mode, which is the first according to morning, lunch, and evening hours. And a mode in which the color temperature and wavelength of the second light are changed.
- the third mode is an artificial light enhancement mode, and may be a mode in which the second light source is turned on so that the second light is emitted more as the main light source than the first light.
- the fourth mode is a solar mode, and may be a mode in which the first and second light sources are turned on to a degree most similar to sunlight.
- the fifth mode is a user setting mode, and may be a mode in which the user selects on/off of the first and second light sources and the amount and intensity of the first and second lights.
- the light irradiation apparatus according to an embodiment of the present invention can easily change the set value according to the conditions desired by the user.
- the light irradiation apparatus can be applied in various places where treatment with illumination and ultraviolet rays is required.
- it may be used in a medical facility such as an operating room, a hospital, a light irradiation device for public health or personal hygiene.
- the light irradiation device can be used for the purpose of patient treatment.
- the light irradiation device of the present invention may be used for public treatment purposes by applying to public facilities, public use spaces, and common use products, or may be used for personal treatment purposes by applying to personal facilities, personal use spaces, and personal use products.
- FIG. 10 is a plan view showing a light irradiation device according to an embodiment of the present invention
- Figure 11 is a block diagram showing a light irradiation device according to an embodiment of the present invention.
- the light irradiation apparatus 100 is a light source 30 for emitting light, a location information receiving unit for receiving location information, and location information from a location information receiving unit It includes a control unit 50 for receiving and controlling the dose amount of light emitted from the light source (30).
- the location information refers to information that can be obtained using a global positioning system (GPS).
- the light source 30 emits light of various wavelength bands, and its wavelength band may be determined according to which application the light irradiation apparatus 100 according to the present embodiment is used. For example, when the light irradiation device 100 according to an embodiment of the present invention is used as a lighting device, light in the wavelength band of visible light may be emitted, and when used for wound sterilization, light in the ultraviolet wavelength band is used. You can run.
- the wavelength band of the light source 30 according to the application in which the light irradiation apparatus 100 is used will be described later.
- the location information receiving unit 45 is for calculating current location information of the light irradiation apparatus 100 by receiving location information from a satellite using GPS. That is, the location information may include latitude and longitude, and the location information, such as latitude and longitude, of the current light irradiation apparatus 100 may be grasped by the location information received by the location information receiving unit 45. The location information obtained using the location information signal is provided to the control unit 50.
- the controller 50 calculates a dose amount of light to be emitted by the light source 30 based on the location information provided from the location information receiving unit 45 and controls the light source 30 to emit light corresponding to the dose amount .
- the control unit 50 may control whether light is emitted, the amount of light, the intensity of the light, and the emission time.
- the power supply unit 60 is electrically connected to the control unit 50 to the light source 30 and the location information receiving unit 45 to supply power to the light source 30 and the location information receiving unit 45.
- the power supply unit 60 is illustrated as supplying power to the light source 30 and the location information receiving unit 45 through the control unit 50, but is not limited thereto, and the light source 30 and the location information receiving unit 45 are not limited thereto. ) May be directly connected to the power supply unit 60, respectively.
- the light source 30 and the location information receiving unit 45 may be disposed on the substrate 20.
- the substrate 20 may be a printed circuit board on which wiring or circuitry on which at least one of the light source 30 and the location information receiving unit 45 can be directly mounted is formed, but is not limited thereto.
- the substrate 20 is sufficient as long as at least one of the light source 30 and the location information receiving unit 45 can be disposed, and the shape or structure is not particularly limited and may be omitted.
- the light irradiation apparatus 100 may be used for various purposes according to a wavelength band and a driving method of light emitted from the light source 30.
- the light irradiation device 100 when the light emitted from the light source 30 has a wavelength band similar to that of sunlight, the light irradiation device 100 is a routine lighting device or eye disease It can be used for treatment or prevention. In particular, one embodiment of the present invention allows a user to encounter light very similar to sunlight, regardless of place or time.
- the sunlight is not irradiated to the same extent to all the longitudes on the Earth, and the lower the latitude, the larger the dose of sunlight and the higher the latitude, the smaller the dose of sunlight.
- the position of the light irradiation device 100 is determined using the location information, the dose of sunlight is calculated at the location, and then the visible light corresponding to the dose of sunlight is used. By irradiating to, it is possible to obtain the effect of exposure to sunlight within limits that are harmless to the human body.
- FIG. 12 is a flowchart illustrating a method of driving a light irradiation apparatus according to an embodiment of the present invention.
- the location information receiving unit receives the location information (S11). For example, it may be determined that the light irradiation apparatus is located in city B of country A according to the location information obtained from the location information receiving unit.
- the received location information is provided to the control unit, and the control unit checks or calculates an appropriate dose amount of light to be emitted by the light irradiation apparatus based on the location information (S13). For example, if city B of country A is determined, information such as sunrise time, sunset time, and average sunshine may be calculated in addition to latitude and longitude information in city B of country A. Using latitude and longitude information, the sunrise and sunset times on latitude and longitude can be easily checked. The control unit determines whether day or night using an algorithm that calculates the sunrise and sunset times on the current latitude and longitude. It can be configured to.
- the control unit calculates the turn-on time, turn-off time, and light intensity of the light source so as to have a degree similar to that of actual sunlight, that is, an appropriate amount of dose using information such as sunrise time, sunset time, and average sunshine. Can be. In particular, it is possible to accurately determine whether the light source is irradiated by accurately discriminating day or night lights without adding an illuminance sensor.
- Information such as sunrise time, sunset time, and average sunshine in each place may be stored in a separate memory in the control unit, or may be easily obtained by accessing a separate Internet network.
- the control unit causes the light corresponding to an appropriate dose amount calculated by turning on or off the light source to be irradiated to the user from the light source (S15).
- the user can be irradiated with a dose of substantially the same amount as that of sunlight even if he does not go outdoors in a place where he is.
- the light emitted from the light source may have a spectrum similar to that of sunlight as a form in which light in the entire wavelength band is evenly mixed.
- the light source according to an embodiment of the present invention is similar to sunlight, but may emit light having a wavelength band of about 380 nm to about 780 nm substantially corresponding to the entire wavelength band of visible light.
- the meaning that is similar to sunlight is based on a normalized solar spectrum
- the area overlapped with the existing invention is a predetermined value or more
- the deviation of the peak from the solar spectrum The degree of deviation from the peak of the solar spectrum is also referred to as below a predetermined value.
- the normalized solar spectrum may be represented by Equation 1 above.
- the first light source may emit light having an area of about 55% or more compared to the area of the normalized solar spectrum, and the peak of the first light is about 0.14 compared to the normalized solar spectrum It may have the following deviations.
- the light emitted from the light source may be light having a spectrum shown in FIG. 134.
- the place where he or she is currently located Light similar to the sunlight in Esau can be provided in an appropriate dose in an appropriate amount of time. Accordingly, the user is in a familiar environment, psychological stability becomes possible, and the irradiation time can be controlled through setting such as sunrise or sunset time, thereby facilitating the recovery of everyday biorhythms.
- sunlight can be applied to the human eye to produce various therapeutic effects.
- the prevalence of myopia may be lowered when frequently exposed to sunlight.
- the possibility that the eyeball grows to be elliptical while growing long may increase myopia, but according to an embodiment of the present invention, the possibility may be reduced.
- the light irradiation apparatus may provide light similar to sunlight but after intentionally excluding light in a wavelength band harmful to a user.
- the light source according to an embodiment of the present invention can provide light except for wavelength band light that causes cataracts, pterygoid flakes, and keratitis, unlike sunlight. Accordingly, when receiving sunlight outdoors for the purpose of preventing and treating myopia, there is no problem of adjusting the time of outdoor activity in consideration of time, ultraviolet rays, etc., and there is little harm even when exposed to light for a long time.
- the light emitted from the light source is light similar to sunlight, but is not limited thereto, and other light, for example, ultraviolet light or infrared light may be applied in a similar form. Of course.
- the present invention is not limited thereto, and natural light emitted from sunlight or lighting devices, That is, it can be used as a correction light source to compensate for the lack of external light in the presence of external light.
- the amount of sunshine may be significantly lower than a low-latitude area, and in this case, it is necessary to compensate for the insufficient amount of sunshine.
- the amount of sunlight is low, not only the light in the visible light wavelength band irradiated to the user is insufficient, but the light in the ultraviolet wavelength band may be insufficient.
- the light irradiation apparatus may serve to compensate for the insufficient light by additionally irradiating light in the visible wavelength band and ultraviolet wavelength band.
- FIG. 13 is a flowchart illustrating a method of driving a light irradiation apparatus according to an embodiment of the present invention.
- the location information receiving unit receives the location information (S21). For example, it may be determined that the light irradiation apparatus is located in the D city of country C in accordance with the location information obtained from the location information receiving unit.
- the received location information is provided to the control unit, and the control unit calculates information such as sunrise time, sunset time, and average sunshine at the current location based on the location information, and calculates sunrise time, sunset time, and average sunshine amount. Using the information, the current dose of actual sunlight is calculated (S23).
- the difference between the appropriate dose required for the user and the current dose is calculated (S25). For example, in the case of D city in country C, if the amount of sunshine is insufficient because it is located in a high-latitude area, the required amount of sunshine actually becomes the appropriate dose, and the value obtained by subtracting the current dose from the appropriate dose is the amount of dose.
- the appropriate dose required for the user may be stored in a separate memory or the like in the control unit, or may be easily obtained by accessing a separate Internet network or the like.
- the control unit irradiates the object to be processed from the light source with a dose amount corresponding to the difference between the appropriate dose amount and the external dose amount calculated by turning on or off the light source (S27). As possible.
- the user can be irradiated to a predetermined light with a dose amount of a degree that is most appropriate for the user, regardless of where the user is.
- an additional effect can be obtained by supplementing light of a specific wavelength that is insufficient, for example, when complementing light in a red to near-infrared wavelength band, it is possible to activate an immune mechanism when treating a wound. have.
- a sterilizing effect on the pathogen can be obtained. The effect of this light is as follows.
- Red to near-infrared wavelength band light is applied to the skin to expand blood vessels and promote blood circulation. That is, light in the red to near infrared wavelength band improves blood flow, and as a result, immune function is promoted. More specifically, red visible light or near infrared light acts on the skin to be treated, and stimulates the mitochondria in the cell, thereby causing ATP (adenosine tri-phosphate), reactive oxygen species (ROS), and/or nitrogen oxide (NO). To create. ATP, ROS, and/or NO act on the wounded area to promote wound healing. ATP and ROS induce the expression of genes necessary for cell growth and genes involved in the inflammatory response, an immune response necessary for wound healing.
- ATP adenosine tri-phosphate
- ROS reactive oxygen species
- NO nitrogen oxide
- ROS and/or NO also have the ability to sterilize pathogens such as bacteria that have penetrated the wounded area. This induces an inflammatory response and cell growth in the damaged tissue area, resulting in healing of the wound. NO promotes immune cell migration and increases the supply of oxygen and nutrients to accelerate the tissue healing process. It also expands the capillaries of surrounding tissues and induces the formation of new capillaries.
- Light in the red to near infrared wavelength band may correspond to light in a wavelength band of about 610 nm to about 940 nm.
- the light in the red to near infrared wavelength band may be a red visible light wavelength band, for example, about 610 nm to about 750 nm, or an infrared wavelength band, for example, about 750 nm to about It may be 940 nm light.
- the light in the red to near infrared wavelength band may be light of about 830 nm, light of 850 nm, or light of 890 nm in the infrared wavelength band.
- Light in the blue wavelength band acts on photosensitizers present in pathogens such as microorganisms such as bacteria, bacteria, and fungi to damage cells and induce the death of microorganisms.
- the light in the blue wavelength band corresponds to the absorption wavelength of porphyrin, a photosensitizer present in bacteria.
- the light in the blue wavelength band shows a high sterilizing power, particularly in the wavelength range of 400 nm to 420 nm and 455 nm to 470 nm, which corresponds to the absorption wavelength band of the photosensitizer porphyrin.
- Porphyrin is a pigment that is essential for the process of intracellular oxygen delivery.
- Porphyrin shows a particularly high absorption at a wavelength of about 402 nm to about 420 nm, and also absorbs a wavelength of about 455 nm to 470 nm.
- it may be used for the purpose of killing specific bacteria by controlling the wavelength and intensity of light in the blue wavelength band.
- porphyrin in the bacteria absorbs the light in the blue wavelength band, and reactive oxygen species are generated in the cells of the bacteria by the energy of the light in the blue wavelength band. Free radicals accumulate in the cells of bacteria to oxidize the cell walls of bacteria, and as a result, bacteria are killed.
- Light in the blue wavelength band may correspond to light in a wavelength band of about 400 nm to about 500 nm.
- light in the blue wavelength band may be light in a wavelength band of about 400 nm to about 420 nm.
- the light in the blue wavelength band may be light having a wavelength of 405 nm.
- Light in the ultraviolet wavelength band has an effect of killing pathogens such as bacteria, bacteria, and fungi.
- DNA in bacteria absorbs ultraviolet rays and changes in DNA structure are generated by energy of ultraviolet rays.
- the DNA breaks the binding of thymine and adenine in the DNA by absorption of the light, because the bases constituting the DNA, such as purine or pyrimidine, strongly absorb ultraviolet rays, and as a result of absorption of light, thymine dimer is formed.
- DNA is modified, and the modified DNA has no cell proliferation ability, leading to the death of bacteria.
- DNA can absorb light in a wavelength range of about 240 nm to about 280 nm.
- the ultraviolet light when ultraviolet light is used, may be light in a wavelength range of about 100 nm to about 400 nm, and may be UVA, UVB, or UVC.
- UVA may have a wavelength band of about 315 nm to about 400 nm
- UVB may have a wavelength band of about 280 nm to about 315 nm
- UVC may have a wavelength band of about 100 nm to about 280 nm.
- ultraviolet light may correspond to UVC, and may have a wavelength band of about 240 nm to about 280 nm.
- ultraviolet light may be light having a wavelength of 275 nm.
- the light in the ultraviolet wavelength band promotes the synthesis of vitamin D in the human body, and in particular, in the case of UVB, it has an effect of promoting the synthesis of vitamin D.
- the ultraviolet light applied to the human body may be in the ultraviolet B wavelength band, and when the human body is exposed to the vitamin B wavelength band, 7-dihydrocholesterol in skin cells is cholecalciferol, that is, (Vitamin D3) To synthesize.
- the amount of light upon ultraviolet irradiation may be variously changed, but the total dose to the object to be sterilized is set within a range harmless to the human body.
- the amount of ultraviolet light is set to a dose amount in a harmless range that does not cause a photo burn.
- the light source may emit the ultraviolet rays within the allowable dose amount.
- the allowable dose of ultraviolet light may be about 30 mJ/m 2 to about 1000000 J/m 2 , or about 30 mJ/m 2 to about 10000 J/m 2 , depending on the wavelength band. The amount may vary.
- Table 1 shows the time required for sunburn according to the zenith of the sun, the dose of UVB that causes sunburn, and the dose of UVB required to synthesize vitamin D 1000IU.
- the dose of UVB was measured based on skin type I-II face and hands (10%).
- the control unit can tabulate such information and store it in a memory or the like and access it through the Internet, thereby controlling the amount of light from the light source.
- the light source is controlled according to the time or the location, so that light corresponding to sunlight, or light with an appropriately corrected dose according to need can be provided to the human body.
- the driving method of the above-described light irradiation device may be changed in various forms according to the wavelength band of the light source.
- various embodiments according to types and wavelength bands of light sources will be described.
- a plurality of light sources may be provided, and in this case, the plurality of light sources may emit light of different wavelength bands.
- the plurality of light sources may be driven simultaneously, or each may be driven independently.
- FIG. 15A shows that in the light irradiation apparatus according to an embodiment of the present invention, two light sources are provided, that is, a first light source and a second light source, and FIG. 15B shows three light sources, that is, the first light source. It shows what is provided as a light source, a second light source, and a third light source. In one embodiment of the present invention, it is shown that the light sources are provided in two and three, but one embodiment of the present invention is not limited to this and can be provided in different numbers.
- the light source may include a second light source that emits light in the first wavelength band and a second light source that emits light in a second wavelength band different from the first wavelength band.
- the first light source may emit light having a wavelength band similar to sunlight as in the above-described embodiment, that is, light including ultraviolet light, visible light, and infrared light, and the second light source.
- the light source may emit light in the ultraviolet wavelength band.
- the first light source may emit light in the visible light wavelength band
- the second light source may emit light in the ultraviolet wavelength band
- the first light source may emit light in the blue wavelength band
- the second light source may emit light in the ultraviolet wavelength band
- the first light source may emit light in the visible light wavelength band
- the second light source may emit light in the infrared wavelength band.
- the second light source may emit light in a red to near infrared wavelength band.
- the first light source may emit light in the blue wavelength band
- the second light source may emit light in the infrared wavelength band.
- the second light source may emit light in a red to near infrared wavelength band.
- the first light source may emit light in the ultraviolet wavelength band
- the second light source may emit light in the near infrared wavelength band.
- the second light source may emit light in a red to near infrared wavelength band.
- the light source includes a second light source that emits light in a first wavelength band, a second light source that emits light in a second wavelength band different from the first wavelength band, and a second light source that is different from the first and second wavelength bands. It may include a third light source for emitting light in the three wavelength band.
- the first to third light sources are driven independently, and accordingly, the first to third light sources may be combined in various forms.
- the control unit may provide each light individually or mix at least two of the first to third lights to irradiate the user.
- the first light source may emit light in the ultraviolet wavelength band
- the second light source may emit light in the visible light wavelength band
- the third light source emits light in the infrared wavelength band. You can run.
- the amount and intensity of light from a light source may be set in a plurality of modes, and the user selects any one of a variety of modes, depending on the mode Can be authorized.
- the first mode is a mode in which only the first light source is turned on
- the second mode is the first light source and the first light source. 2
- Various forms and methods such as a mode to turn on the light source, a mode to turn on the first and third light sources in the third mode, and a mode to flash the first light source and turn on the third light source in the fourth mode
- the light sources can be controlled.
- These modes may be set automatically, or may be set manually by the user.
- the light irradiation apparatus according to an embodiment of the present invention can easily change the set value according to the conditions desired by the user.
- the light irradiation apparatus can be variously applied where illumination and light treatment are required.
- it can be used not only for lighting devices in general places, but also for medical facilities such as operating rooms and hospitals, and light irradiation devices for public health and personal hygiene.
- the light irradiation device can be used for patient treatment purposes.
- the light irradiation apparatus of the present invention can be used for public treatment purposes by applying to public facilities, public use spaces, and common use products, or can be used for personal treatment purposes by applying to private facilities, personal use spaces, and personal use products.
- it may be used in addition to other treatment devices that are not used exclusively for light irradiation devices.
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Abstract
Description
Solar Zenith Angle (°) | Time for sunburn(min) | UV Dose to Sunburn(UVB ; J/m2) | UV Dose to Vit.D 1000IU(UVB ; J/m2) |
70 | 180 | 2.5x104 | 2.8x104 |
63 | 120 | 1.7x104 | 1.1x104 |
57 | 60 | 8.3x103 | 5.9x103 |
53 | 45 | 6.2x103 | 4.1x103 |
50 | 36 | 5.0x103 | 3.2x103 |
47 | 30 | 4.1x103 | 2.6x103 |
42 | 26 | 3.6x103 | 2.1x103 |
38 | 22 | 3.0x103 | 1.8x103 |
36 | 20 | 2.8x103 | 1.5x103 |
32 | 18 | 2.5x103 | 1.4x103 |
24 | 15 | 2.1x103 | 1.1x103 |
0 | 12 | 1.7x103 | 0.9x103 |
Claims (20)
- 가시광선 파장 대역의 제1 광을 출사하는 제1 광원; 및적어도 일부 파장대역이 상기 제1 광원의 파장 대역과 다르며 광 인가 대상의 기능성 물질을 합성을 촉진하는 제2 광을 출사하는 제2 광원을 포함하며,상기 제2 광은 자외선 B 파장 대역의 광을 포함하는 광 조사 장치.
- 제1 항에 있어서,상기 제2 광은 약 280nm 내지 약 315nm 파장 대역의 광을 포함하는 광 조사 장치.
- 제1 항에 있어서,상기 제2 광은 자외선 A 파장 대역의 광 및 자외선 C 파장 대역의 광을 더 포함하는 광 조사 장치.
- 제3 항에 있어서,상기 제2 광이 인체에 인가될 때 무해한 범위의 도즈량을 허용 도즈량이라고 하면, 상기 제2 광원은 허용 도즈량 내에서 상기 제2 광을 출사하는 광 조사 장치.
- 제4 항에 있어서,상기 제2 광의 허용 도즈량은 약 30 J/m2 내지 약 10000 J/m2인 광 조사 장치.
- 제4 항에 있어서,상기 제2 광의 허용 도즈량은 하루 또는 일년 중 소정 시기에 따라 다른 값으로 설정되며, 상기 제2 광원은 상기 허용 도즈량에 따라 광량이 제어되는 광 조사 장치.
- 제4 항에 있어서,상기 제2 광의 허용 도즈량은 인체의 위치에 따라 달라질 수 있으며, 상기 제2 광원은 상기 제2 광의 허용 도즈량에 따라 광량이 제어되는 광 조사 장치.
- 제1 항에 있어서,상기 제1 광원은, 약 380nm 내지 약 780nm 파장 대역을 가지며, 색온도가 약 2600K 내지 약 7000K인 범위 내에서 노멀라이즈된 태양광 스펙트럼의 면적 대비 약 55% 이상의 면적을 갖는 광을 출사하는 광 조사 장치.
- 제1 항에 있어서,인체를 감지하는 감지 센서를 더 포함하는 광 조사 장치.
- 제10 항에 있어서,상기 인체의 유무에 따라 상기 제1 및 제2 광원들의 온/오프를 제어하는 제어부; 및상기 제1 및 제2 광원들 중 적어도 하나의 광 출사 방향을 제어하는 구동부를 더 포함하는 광 조사 장치.
- 제11 항에 있어서,상기 감지 센서는 인체의 이동여부를 감지하며, 상기 구동부는 상기 인체의 이동 여부에 따라 상기 제1 광원 및 제2 광원의 광 출사 방향을 변경하는 광 조사 장치.
- 제12 항에 있어서,상기 제1 및 제2 광원들이 실장된 광원 기판; 및상기 광원 기판 상에 제공되어, 상기 광원 기판이 기울어진 각도를 조절하는 기울임 부재를 더 포함하는 광 조사 장치.
- 제12 항에 있어서,상기 광 조사 장치는 사용자에 의해 상기 제1 광원 및 제2 광원들 중 적어도 하나의 온/오프가 제어되는 조명장치.
- 제12 항에 있어서,상기 광 조사 장치는 기설정된 프로그램에 따라 상기 제1 광원 및 제2 광원들 중 적어도 하나의 온/오프가 제어되는 광 조사 장치.
- 제1 항에 있어서,위치 정보를 수신하는 위치 정보 수신부; 및상기 위치 정보 수신부로부터 상기 위치 정보를 수신하며, 상기 제1 및 제2 광원으로부터 출사된 광의 도즈량을 제어하는 제어부를 더 포함하며,상기 제어부는 상기 위치 정보를 기초로 하여 상기 제1 및 제2 광원이 출사해야 할 광의 도즈량을 산출하고, 상기 제1 및 제2 광원이 상기 도즈량만큼의 광을 출사하도록 제어하는 광 조사 장치.
- 제16 항에 있어서,상기 위치 정보 수신부는 상기 광 조사 장치의 위치 정보를 산출하고, 상기 제어부는 상기 위치 정보를 수신받아 상기 광 조사 장치가 위치한 장소에서의 외부광의 도즈량을 산출하며, 상기 적정 도즈량과 상기 외부광의 도즈량의 차이만큼 상기 제1 및 제2 광원이 상기 광을 출사하도록 제어하는 광 조사 장치.
- 가시광선 파장 대역의 제1 광을 출사하는 제1 광원; 및광 인가 대상에서의 기능성 물질을 합성을 촉진하며 자외선 B 파장 대역을 갖는 제2 광을 출사하는 제2 광원을 포함하며,상기 제1 광은 약 380nm 내지 약 780nm 파장 대역을 가지며, 색온도가 약 2600K 내지 약 7000K인 범위 내에서 노멀라이즈된 태양광 스펙트럼의 면적 대비 약 55% 이상의 면적을 가지는 광 조사 장치.
- 제18 항에 있어서,위치 정보를 수신하는 위치 정보 수신부; 및상기 위치 정보 수신부로부터 상기 위치 정보를 수신하며, 상기 제1 및 제2 광원으로부터 출사된 광의 도즈량을 제어하는 제어부를 더 포함하며,상기 제어부는 상기 위치 정보를 기초로 하여 상기 제1 및 제2 광원이 출사해야 할 광의 도즈량을 산출하고, 상기 제1 및 제2 광원이 상기 도즈량만큼의 광을 출사하도록 제어하는 광 조사 장치.
- 제19 항에 있어서,상기 위치 정보 수신부는 상기 광 조사 장치의 위치 정보를 산출하고, 상기 제어부는 상기 위치 정보를 수신받아 상기 광 조사 장치가 위치한 장소에서의 외부광의 도즈량을 산출하며, 상기 적정 도즈량과 상기 외부광의 도즈량의 차이만큼 상기 제1 및 제2 광원이 상기 광을 출사하도록 제어하는 광 조사 장치.
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EP19890616.6A EP3888743A4 (en) | 2018-11-30 | 2019-11-29 | LIGHT IRRADIATION DEVICE FOR SYNTHESIS OF A FUNCTIONAL SUBSTANCE IN A HUMAN BODY |
CN201980003095.3A CN111511438B (zh) | 2018-11-30 | 2019-11-29 | 人体内功能性物质合成用光照射装置 |
JP2021531082A JP2022510310A (ja) | 2018-11-30 | 2019-11-29 | 人体内の機能性物質を合成する光照射装置 |
KR1020217016640A KR20210073593A (ko) | 2018-11-30 | 2019-11-29 | 인체 내 기능성 물질 합성용 광 조사 장치 |
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US62/826,004 | 2019-03-29 | ||
US16/698,087 | 2019-11-27 | ||
US16/698,087 US11517764B2 (en) | 2018-11-30 | 2019-11-27 | Light irradiation device for synthesis of functional substance in a human body |
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Also Published As
Publication number | Publication date |
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US11517764B2 (en) | 2022-12-06 |
KR20210073593A (ko) | 2021-06-18 |
CN111511438B (zh) | 2024-01-09 |
EP3888743A1 (en) | 2021-10-06 |
CN111511438A (zh) | 2020-08-07 |
US20200171321A1 (en) | 2020-06-04 |
CN111760200A (zh) | 2020-10-13 |
JP2022510310A (ja) | 2022-01-26 |
EP3888743A4 (en) | 2022-08-17 |
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