KR101075411B1 - White color led apparatus for light treatment - Google Patents

Abstract

The present invention provides a light source module including a case having a control unit having a switch to which power is applied, and a light source module to which light is generated by arranging a plurality of LEDs inside the case; A diffusion layer fixed to the front of the light source unit to diffuse the light emitted from the LED, an optical lens fixed to the front of the diffusion layer to collect the diffused light, and a phototherapy LED having a heat dissipation unit to reduce heat generated from the light source unit In the light source, the light source unit is a light source of a specific wavelength having a light treatment effect and an intrinsic color, including the excitation and conversion of a portion of the wavelength by the intrinsic wavelength or the phosphor of the semiconductor, 590nm ~ 700nm for skin regeneration, wrinkle reduction Orange and red first LED light source selectively formed by AlInGaP, AlGaAs-based semiconductors having a wavelength band and AlInGaP, GaN, InGaN, or InGaAlN-based semiconductors having a wavelength band of 400 nm to 500 nm for acne treatment. Formed blue violet and blue second LED light source, and 500 nm to 570 nm wave having atopy relaxation and mold suppression effect It is composed of a structure formed so that white light is generated by the green third LED light source selectively formed of AlInGaP, GaP, InGaN series semiconductor having a long band.
As described above, in the white LED light source device for phototherapy according to the present invention, a plurality of first, second, third, fourth and fifth LED light sources having different wavelengths and colors are fixed to the front surface of the light source module to improve skin wrinkles on the human body. , Acne treatment, cell activation and atopy symptoms are alleviated, and the high color rendering white light that relieves eye fatigue without distorting the object by the diffusion layer fixed on the first, second, third, fourth and fifth LED light source The diffusion layer fixed to the front of the first, second, third, fourth, and fifth light sources contains fluorescent materials in complementary relationship with diffuse white beads and pseudo white light to express white light with no color unevenness and excellent color rendering. The light source can be arranged freely and the dot generation is reduced and disappeared.

Description

White color LED apparatus for light treatment

The present invention relates to a white LED light source device for phototherapy, and more particularly, to generate similar white light through a plurality of LED light sources having different colors and wavelengths, and to reduce wrinkles and atopic symptoms through LED light sources having different wavelengths. The present invention relates to a white LED light source device for phototherapy that can be used for medical treatment for skin rejuvenation and wound treatment, and applied to general medical treatment devices to treat skin diseases during daily life.

The phototherapy lighting device is a lighting device using a specific wavelength band of a light source, irradiating the skin with light generated from a light source that generates a constant wavelength that has a healing effect on the human body, regardless of skin type or race. It is used without side effects in skin treatment such as skin cell activity, wrinkle relief, acne removal, atopic phenomenon relief, and is also a representative lighting device used for psychological treatment such as emotional stability and concentration enhancement by light source.

      As a light source of a recent light treatment device, a semiconductor diode LED is mainly used as a light source. Light treatment using LED is a photo-modulation treatment based on photon absorption rather than thermal analysis, so side effects such as pain can be minimized.

      The LED is a light emitting semiconductor and the energy width of the semiconductor is determined by the energy gap, which is a unique characteristic of the semiconductor crystal structure. Various light treatment effects vary according to the energy gap, and the emission wavelength is determined.

      The following equation applies to the relationship between the energy gap and the emission wavelength.

λ = hc / Eg

[λ; Light emitting wavelength (nm), h; plank constant, c; Speed of light, Eg; Energy gap of semiconductor]

      LEDs can generate a variety of single wavelengths by controlling the parent crystals and implanted ions of the semiconductor, the wavelength of which includes a narrow range of peak wavelengths within 50nm, and stimulates the skin by the characteristics of the peak wavelengths You get an effect.

      On the other hand, the peak wavelength is not physically changed even when the colors of the light source are mixed, only the wavelength of the visible light representing the color is converted.

      The clinical treatment lighting device using the peak wavelength of the LED light source is a fixed light therapy device used in a hospital or skin care room and a portable light therapy device used at home. It is also being applied to electronic products such as mobile phones.

In addition, the effect of the light treatment light has a psychotherapy effect of the emotional light using the visual wavelength by the control of the color and a skin treatment effect using the peak wavelength.

Korean Patent Laid-Open Publication No. 10-2008-0056034 discloses a device, a light source system, and a method for using the device for optical diagnosis and treatment of skin diseases, as shown in FIG. A case 110 having a viewing hole 111 in close contact with the white light source, a white light source 130 installed to irradiate white light through the viewing hole 111 inside the case 110, and a rear side of the case 110. It is configured to include a digital color TV camera 120, so that all the white light, fluorescence excitation light and the treatment light for photodynamic therapy to the skin area in close contact with the viewing hole 111 inside the case 110 A camera head 100 configured to output an image signal generated by the digital color TV camera 120 collecting light from a skin part; The camera 110 is connected to the case 110 of the camera head 100 by a light guide 201 capable of transmitting light, and the fluorescence excitation light irradiated to the skin area, the treatment light for photodynamic therapy, and the white light to the camera head 100. A light source system 200 for providing; The image signal received from the camera head 100 is processed, analyzed, and stored, and the color image and excitation light and the treatment light for the photodynamic therapy by the white light obtained by the digital color TV camera 120 through the monitor. It is configured to display a fluorescent image by or to display a composite image thereof, and includes an image processing and analysis system 300 for controlling the overall operation of the camera head 100 and the light source system 200.

       However, in order to obtain the effect of clinical treatment with the prior art as described above, light intensity is required along with the wavelength of treatment in the peak wavelength band, so the sensation lighting device by simple color mixing is expected to have clinical treatment effects such as skin treatment. It is difficult, and the therapeutic light source emits light having a unique color, so that objects are distorted and fatigue occurs in the eyes.

      In addition, the complexity of the product increases the cost of the product is not easy to use at home, and the heat generated from the light source reduces the efficiency of the light source and decreases the luminescence, and the size of the complex configuration is limited to the skin area There is another problem that the treatment time is longer as one skin disease is treated at the site.

In addition, due to the characteristics of the LED light source, which is relatively straight, evenly mixing the colors of each light source having a different color gamut requires a high degree of expertise in arranging the light source, and another problem of partial color unevenness and dots occurs. have.

In order to solve the problems described above, in the present invention, while the object is not distorted and the high color rendering white light to reduce the fatigue of the eye is produced, different wavelengths and colors so as to alleviate wrinkles, acne treatment, cell activation and atopic symptoms It is an object of the present invention to provide a phototherapy white LED light source device having a light source module having a plurality of fixed first, second, third, fourth and fifth LED light sources.

In addition, the light source is freely arranged, there is no dot generation, and white light and complementary colors similar to diffusion beads are formed in the diffusion layer fixed to the front of the first, second, third, fourth and fifth LED light source so as to form white light having no color unevenness and excellent color rendering property. Another object of the present invention is to provide a white LED light source device for treating light containing a related fluorescent material.

In addition, the heat generated from the light source is easily discharged so that the heat sink is fixed to the back of the light source module to improve the efficiency of the light source, a plurality of first, second, three, four, five LED light source in various forms on the front of the light source module This arrangement is another object to provide a white LED light source device for phototherapy that can treat a variety of forms on a wide range of skin.

According to the present invention, a control unit having a switch to which power is applied is formed on one side, a light source unit in which a plurality of LEDs are arranged inside the case, and a light source module in which light is generated is fixed, and fixed to the front of the light source unit and emitted from an LED. In the light source for the light therapy, the light source is formed with a diffusion layer for diffusing the diffused light, an optical lens fixed to the front surface of the diffusion layer to collect the diffused light, and a heat dissipation portion to reduce heat generated in the light source portion, AlInGaP and AlGaAs-based semiconductors having specific wavelength bands of 622 nm to 645 nm, 655 nm to 665 nm, or 675 nm to 685 nm, including those in which a part of the wavelength is excited and converted by the semiconductor's intrinsic wavelength or phosphor on the front surface of the module. Orange and red first LED light source formed with any one of the, and a specific wave of 400nm ~ 420nm, 425nm ~ 435nm or 465nm ~ 475nm A blue violet and blue second LED light source formed of any one of AlInGaP, GaN, InGaN, or InGaAlN series semiconductors having a long band, and an AlInGaP, GaP, InGaN series semiconductor having a specific wavelength band of 520 nm to 535 nm or 560 nm to 570 nm. A green third LED light source formed of any one of the following; a yellow fourth LED light source formed of any one of AlInGaP, AlGaAs, GaP, and GaAsP-based semiconductors having a wavelength band of 575 nm to 590 nm; and 775 nm to 785 nm, 825 nm to 835 nm, or 885 nm. A red near infrared fifth LED light source formed of any one of GaP series semiconductors having a wavelength band of ˜890 nm is used to form white light by combination with the first, second, third, fourth and fifth LED light sources; The diffusion layer is formed to contain the fluorescent material and the diffusion material at the same time to be disposed on the front of the light source module, and green, yellow, red, blue in complementary relationship with the pseudo white generated from the first, second, third, fourth, fifth LED light source At least one fluorescent material is optionally contained; The heat dissipation unit includes a heat dissipation plate closely attached to the rear side of the light source module and a heat dissipation fan fixed to one side of the case to discharge heat generated by the heat dissipation plate to the outside so as to reduce heat generated in the first, second, third, fourth and fifth LED light sources. It is formed into a formed structure.

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As described above, in the white LED light source device for phototherapy according to the present invention, a plurality of first, second, third, fourth and fifth LED light sources having different wavelengths and colors are fixed to the front surface of the light source module to improve skin wrinkles on the human body. , Acne treatment, cell activation and atopy symptoms are alleviated, and the high color rendering white light that relieves eye fatigue without distorting the object by the diffusion layer fixed on the first, second, third, fourth and fifth LED light source It is effective.

In addition, the diffusion layer fixed to the front of the first, second, third, fourth, and fifth LED light sources contains a fluorescent material in complementary color relationship with the diffuser beads and pseudo white light to express white light with no color unevenness and excellent color rendering. The light source can be arranged freely, and dot generation is reduced and disappeared.

In addition, the plurality of first, second, third, fourth, fifth LED light sources arranged in various forms on the front surface of the light source module have various types of treatment effects on the skin having a wide variety of symptoms, and on the back of the light source module. The heat sink is tightly fixed so that the heat generated from the light source together with the heat radiating fan can be easily released, thereby improving the efficiency of the light source.

1 is a block diagram showing an optical diagnostic and treatment apparatus according to the prior art.
2 is a block diagram of a white LED light source device for phototherapy according to the present invention
Figure 3 is a table showing the wavelength, color and therapeutic effect of the light source used in the combination of the light source for forming white light in the present invention
4 is a table showing light source combinations and phosphor emission colors and types according to the present invention.
FIG. 5 is a table showing changes in light output characteristics with respect to junction temperature and current limits according to ambient temperature and heat radiation characteristics.
FIG. 6 is a table showing the wavelength spectrum of pseudo white light by mixing light sources according to the present invention. FIG.
7 is a table showing the wavelength spectrum of high color rendering white light generated after the pseudo white light according to the present invention passes through the diffusion layer.

Figure 2 is a block diagram of a white LED light source device for phototherapy according to the present invention, Figure 3 is a table showing the wavelength, color and therapeutic effect of the light source used in the combination of the light source for forming white light in the present invention, Figure 4 Is a table showing the combination of light sources, phosphor emission colors and types according to the present invention. 6 is a table showing a wavelength spectrum of high color rendering white light generated after the pseudo white light according to the present invention passes through the diffusion layer, and FIG. It is a table which shows the wavelength spectrum of white light.

Hereinafter, an embodiment of a white LED light source device for phototherapy according to the present invention will be described in more detail with reference to the accompanying drawings.

As shown in FIG. 2, the white LED light source device for phototherapy of the present invention includes a case 10 having a control unit 11 provided on one side thereof and a control unit 11 having a switch 12 for turning on / off power to be applied, and the A light source unit 20 having a light source module 26 fixed therein to generate light through the first, second, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25 inside the case 10; A diffusion layer 30 fixed to the front surface of the light source unit 20 to diffuse light formed in the first, second, third, fourth and fifth LED light sources 21, 22, 23, 24 and 25, and the diffusion layer 30 The optical lens 40 fixed to the front surface and configured to collect the diffused light, and the heat dissipation unit 50 is formed so that the heat generated from the light source unit 40 is reduced.

As shown in FIG. 3, the light source unit 20 includes orange and red first LED light sources 21 selectively formed of AlInGaP and AlGaAs-based semiconductors having a wavelength band of 590 nm to 700 nm for skin regeneration and wrinkle reduction. A blue violet and blue second LED light source 22 selectively formed of AlInGaP, GaN, InGaN, or InGaAlN series semiconductors having a wavelength band of 400 nm to 500 nm for acne treatment, and 500 nm to 500 to have atopic dermatitis and mold suppression effects. White light is formed by the combination of a green third LED light source 23 selectively formed of AlInGaP, GaP, InGaN series semiconductors having a wavelength band of 570 nm.

In addition, the light source module 26 is a yellow fourth LED light source 23 selectively formed of AlInGaP, AlGaAs, GaP, GaAsP-based semiconductor having a wavelength band of 570 nm to 590 nm having photo-discolored skin treatment and image treatment effects. And the near-infrared fifth LED light source 25 formed of a GaP series semiconductor having a wavelength band of 700 nm to 890 nm having skin rejuvenation and wound healing and muscle relaxation effects is the first, second, third LED light source (21, 22, 23). ) Is selectively fixed to form white light, and the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25 are wavelengths of intrinsic wavelengths or phosphors of the semiconductor. Part of the excitation is converted to a light source of a specific wavelength having a unique color according to each wavelength has the effect of light treatment, such as wrinkle improvement of the skin of the human body, acne treatment, cell activation, atopy relief.

In addition, when the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25 are selectively used in combination, high color rendering white light is emitted, and the switch 12 of the control unit 11 is used. By 1), 2, 3, 4, 5 LED light source (21, 22, 23, 24, 25) is selectively driven, depending on the skin disease may receive the necessary treatment.

On the other hand, the control unit 11 is configured behind the heat dissipation unit 50 so that a suitable current is applied to the light source module 26, and the current adjusted by the control unit 11 and applied to the light source module 26 is respectively PWM. The first, second, third, fourth, and fifth LEDs 21, 22, 23, 24, and 25 may be selected or entirely selected to be dimmed.

As shown in FIG. 4, the diffusion layer 30 is fixed to the front surface of the light source module 26 and is a mixture of diffusion beads and fluorescent materials. A part of the pseudo white light emitted through the light sources 21, 22, 23, 24, and 25 passes through the diffusion layer 30 and is absorbed and converted into the fluorescent material of the diffusion layer 30 to form an intermediate complementary color, which is difficult to be visually felt, and is blue purple. High color rendering white light of Ra95 or more similar to natural light having a continuous spectrum (Spectrum), such as blue, green, yellow, and red including orange is generated.

In addition, the diffusion layer 30 is disposed on the front surface of the light source module 26 in a form in which both a fluorescent material and a diffusion material are generally used, and the first, second, third, fourth, fifth LED light sources 21, 22, 23,24,25) one or more fluorescent materials of green, yellow, red, and blue, which are complementary to the similar white color emitted from the white, are selectively contained in the lighting device to emit white light without difficulty even in daily life. Will be.

In particular, the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, 25 and the light source module 26 may be applied to a therapeutic device used for a specific type of skin disease, and a TV. It can be applied to everyday life in various forms such as a light source of a display device such as (Television) or lighting used in everyday life.

The heat dissipation unit 50 reduces the heat generated from the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25, which are used in a plurality, so that the efficiency and light emission of the light source can be changed. The heat dissipation plate 51 is fixed to the rear surface of the light source module 26 so as to be prevented, and a heat dissipation fan 52 is formed at one side of the case 10 to discharge heat dissipated by the heat dissipation plate 51 to the outside.

As shown in FIG. 5, the first, third, and fourth LED light sources 21, 23, and 24, which emit red, green, and yellow light, respectively, have relatively constant characteristics even with changes in current, operating voltage, and ambient temperature. Although the second LED light source 22 emitting blue light is sensitive to changes in temperature and current, the current is compensated by the controller 11 and the heat sink 51 and the heat radiating fan 52 are respectively controlled. Each light source can be efficiently managed, and the junction temperature of the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25 is 25 ° C., and the light source module ( It is preferable that the heat dissipation unit 50 is controlled so that the ambient temperature of 26 is 70 ° C. or less.

On the other hand, the intensity of the entire light source of the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, and 25 formed in the light source module 26 is ideally 4J / cm 2, In consideration of the side effects of over-application when used in medical devices, TVs and lighting devices, the intensity by the mutual combination of the first, second, third, fourth and fifth LED light sources (21, 22, 23, 24, 25) is 0.15 to 5 J / It was formed in the light source module 26 in consideration of the use time and the installation position in the range of cm 2.

Hereinafter, an Example is given and this invention is demonstrated. This is for the purpose of illustrating the invention and the scope of the invention is not limited to the scope of the following examples.

My Example 1

As the white LED light source for phototherapy of the present invention, the red first LED light source 21 of InGaAlP semiconductor series having a peak wavelength of 644 nm for wrinkle reduction, and the InGaN semiconductor series blue having a peak wavelength of 450 nm effective for acne treatment. The light source module 26 was configured as the second LED light source 22 and the yellow fourth LED light source 24 of the InGaAlP semiconductor series having a peak wavelength of 590 nm, which promotes collagen production and is effective for treating photochromic skin. .

In addition, the light sources formed in the light source module 26 may be combined with each other to form the first and second LED light sources 21 and 22 and the second and third LED light sources 22 and 23, or the first and second LED light sources. The 21, 22, and 23 may be packaged and selectively configured in the light source module 26 in a multi-chip.

The diffusion layer 30 is fixed to the front surface of the light source module 26, and a suitable amount of commercially available diffusion beads and green fluorescent materials are mixed in the diffusion layer 30 to simultaneously diffuse and mix light, and at the same time, the light source module 26. A portion of the pseudo white light emitted from the light absorbed through the diffusion layer 30 is absorbed and converted into the green fluorescent material of the diffusion layer 30 to form an intermediate complementary color that is difficult to feel visually, and includes blue, green, yellow, and orange including blue violet. As shown in FIG. 6, which is continuous with red, white light having a high color rendering color of Ra95 or higher similar to natural light having a spectrum (Spectrum) was generated. In addition, the white light includes a peak wavelength inherent in the light source, which is a therapeutic wavelength band, and has various effects such as wrinkle relief, acne treatment, collagen production, photochromic skin treatment, and the like.

My 2 Example

According to another embodiment of the present invention, the red first LED light source 21 of the AlGaAs semiconductor series having a 660 nm peak wavelength for wrinkle reduction, and the second blue LED of the GaN semiconductor series having a 450 nm peak wavelength effective for acne treatment. A light source 22, which is composed of a GaP semiconductor-based green third LED light source 23 having a peak wavelength of 570 nm, which has an atopy alleviation and mold suppression effect, is composed of a first LED light source 21 and a second LED light source. (22): The third LED light sources 23 are formed in the light source module 26 by combining the number of light sources in a ratio of 1: 1: 2, respectively, and yellow in the diffusion layer 26 together with the diffusion beads. The fluorescent material of was included to generate the same white light as the first embodiment.

In the second embodiment, the light source components of the first, second and third LED light sources 21, 22 and 23 formed in the light source module 26 are formed in consideration of the third LED light source 23 having low luminance. As in the embodiment, it can be effectively used to alleviate wrinkles, acne treatment, atopic symptoms.

On the other hand, in the first and second embodiments, the light exposure time is 16 hours and the average illuminance surface (person's face) distance is 2m at a 24V voltage to generate light of 2J / cm ~ 4J / cm intensity based on the ceiling lighting device The light source module 26 was configured with 0.29 A to 0.58 A / m (LED luminous flux of 60 lm / w).

In addition, the light source 20, the diffusion layer 30, the light source lens 40, and the heat dissipation unit 50 may be protected by the case 10, and the optical lens 40 may include a fluorescent material in place of the diffusion layer 30. Of course.

As described above, in the white LED light source device for phototherapy according to the present invention, a plurality of first, second, third, fourth and fifth LED light sources having different wavelengths and colors are fixed to the front surface of the light source module to improve skin wrinkles on the human body. , Acne treatment, cell activation and atopy symptoms are alleviated, and the high color rendering white light that relieves eye fatigue without distorting the object by the diffusion layer fixed on the first, second, third, fourth and fifth LED light source It is effective.

In addition, the diffusion layer fixed on the front of the first, second, third, fourth, and fifth LED light sources contains a fluorescent material having a complementary color relationship with the diffuser beads and pseudo white light, thereby expressing white light having no color unevenness and excellent color rendering. The light source can be arranged freely, and dot generation is reduced and disappeared.

In addition, the heat sink is tightly fixed to the back of the light source module, and a plurality of first, second, third, fourth, fifth LED light sources are arranged in various forms on the front of the light source module to treat various forms of treatment on the skin having a wide variety of symptoms. The heat generated from the light source can be easily released, thereby improving the efficiency of the light source.

The present invention is not limited to the preferred embodiments of the above-described features, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes will fall within the scope of the claims.

10: case 11: control unit
12: switch 20: light source
21: first LED light 22: second LED light
23: third LED light 24: fourth LED light
25: fifth LED light source 26: light source module
30: diffusion layer 40: optical lens
50: heat sink 51: heat sink
52: heat dissipation fan

Claims (6)

A case 10 having a control unit 11 having a switch 12 to which power is applied is formed, and a light source module 26 having a plurality of LEDs arranged inside the case 10 to generate light is fixed. A light source unit 20, a diffusion layer 30 fixed to the front side of the light source unit 20 to diffuse the light emitted from the LED, and an optical lens fixed to the front side of the diffusion layer 30 to collect the diffused light ( 40 and in the phototherapy LED light source formed with a heat dissipation unit 50 to reduce heat generated in the light source unit 20,
The light source unit 20 includes a portion of the wavelength excited by the intrinsic wavelength or the phosphor of the semiconductor on the front surface of the light source module 26, and has a specific color of 622 nm to 645 nm, 655 nm to 665 nm, or 675 nm to 685 nm with intrinsic colors. Orange and red first LED light source 21 formed of any one of AlInGaP, AlGaAs series semiconductor having a wavelength band, and AlInGaP, GaN, InGaN, or a specific wavelength band of 400 nm to 420 nm, 425 nm to 435 nm or 465 nm to 475 nm. Green third blue and blue second LED light source 22 formed of any one of the InGaAlN series of semiconductors, and green third formed of any one of AlInGaP, GaP, InGaN series semiconductor having a specific wavelength band of 520nm to 535nm or 560nm to 570nm LED light source 23 and yellow fourth LED light source 24 formed of any one of AlInGaP, AlGaAs, GaP, and GaAsP series semiconductors having a wavelength range of 575 nm to 590 nm, and 775 nm to 785 nm, 825 nm to 835 nm, or 885 nm to 890 nm. GaP with a wavelength band of The red near-infrared fifth LED light source 25 formed of any one of the series semiconductors is used to produce white light by combining with the first, second, third, fourth and fifth LED light sources 21, 22, 23, 24 and 25. Is formed to be produced;
The diffusion layer 30 is formed to include a fluorescent material and a diffusion material at the same time to be disposed in front of the light source module 26, the first, second, third, fourth, fifth LED light source (21, 22, 23, 24, 25) Is formed by selectively containing one or more fluorescent materials of green, yellow, red, and blue having a complementary color relationship with pseudo-white generated from
The heat dissipation unit 50 is a heat dissipation plate 51 in close contact with the rear surface of the light source module 26 so that the heat generated from the first, second, third, fourth, fifth LED light sources 21, 22, 23, 24, 25 is reduced. And a heat dissipation fan 52 fixed to one side of the case 10 to discharge the heat dissipated by the heat dissipation plate 51 to the outside. delete delete delete delete delete

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