WO2018154758A1

WO2018154758A1 - Skin care device

Info

Publication number: WO2018154758A1
Application number: PCT/JP2017/007371
Authority: WO
Inventors: 潘少輝; 戴可嘉; 村田巨樹
Original assignee: 潘少輝; 戴可嘉; 村田巨樹
Priority date: 2017-02-27
Filing date: 2017-02-27
Publication date: 2018-08-30
Also published as: JPWO2018154758A1

Abstract

The purpose of the invention is to provide a skin care device for performing cosmetic treatment such as depilation and beauty treatment, configured particularly such that the wavelength of an SLD light source using SLED chips is set to the most functional wavelength appropriate for a person to receive care treatment, with the module containing the semiconductor chip substrate being configured so as to be able to efficiently provide a heat dissipating function so that the skincare function by the specific wavelength of the SLD light source can be maximized. The present invention provides a skin care device which is provided with a care light irradiation body formed by an SLD chip, a support base formed from a multilayer metal layer including a metal (Au) layer that supports the SLD chip thereon, and a heat sink which is disposed below the support base as a cooling portion, wherein the main wavelength of the SLD chip is approximately 808 nm, and an inlet hole and an outlet hole through which circulating water for cooling passes are provided in the heat sink so that a mechanism for cooling the care light irradiation body by a water cooling scheme is provided.

Description

Skin care equipment

The present invention relates to a skin care device.

Conventionally, methods proposed as a skin care treatment method such as hair removal include, for example, an electric needle hair removal method, a laser hair removal method, and a light hair removal method using light from a flash lamp.

The electric needle hair removal method is a method in which needles are pierced into individual pores and electricity is applied to destroy the portions involved in hair growth such as hair roots and hair matrix cells by heat generation or electrolysis. Since the hair is removed by putting the needle in the unit of one pore, it can be surely removed, but it is complicated and the processing time is long.

Laser hair removal is a method of removing hair by applying a chemical change to the hair root or surrounding cell tissue by irradiating the surface of the skin with laser light using the characteristic that laser light is absorbed in a specific color. Irradiation is performed on a surface-by-surface basis, so processing time is shorter than with the electric needle hair removal method. The hair appearing on the surface layer is about 20% of the total, and it is necessary to repeat the treatment several times according to the hair cycle.

The photo epilation method is a method of irradiating the surface of the skin with a light beam from a flash lamp such as a xenon tube to chemically remove the hair root or the surrounding cell tissue to remove the hair. Compared with the laser hair removal method, the irradiation energy is small, the irradiation range can be made wider, and the treatment time can be shortened. Similar to the laser hair removal method, the treatment is repeated several times according to the hair cycle.

Furthermore, recently, as shown in JP2013-085948A, JP2012-034977A, JP2009-172095A, JP2007-330690A, etc., a skin care technique using an LED light source has come out.

In the laser hair removal method and the LED skin care device, the care site is irradiated with the radiated light from the irradiation window that forms a certain irradiation range. In order to burn down the hair root at a predetermined location, the entire care processing site is repeatedly irradiated. There is a need.

In particular, in the photo epilation method using LEDs as the main light source, the directivity of light emitted from the irradiation surface of the handpiece is low and easily diffused, so that it is possible to obtain irradiation energy that effectively acts on a predetermined care location. Have difficulty. If a predetermined irradiation energy is to be obtained, an excessive input current value is required for the LED, and the water channel mechanism for cooling the generated heat needs to be complicated and have a large capacity.

By the way, in a medical publication, it has been announced that the effect on the skin differs depending on the wavelength band of the irradiated light. For example, blue light (wavelength of about 400 to 470 nm) has been announced to contain porphyrin that has the effect of preventing acne inflammation by generating free radicals by reacting with acne bacteria that cause acne inflammation. Has been. In addition, red light (wavelength of about 600 to 700 nm) is said to have an effect of healing inflammation by healing wounds. In addition, yellow light (wavelength of about 550 to 600 nm) promotes skin cell metabolism, and green light (wavelength of about 500 to 550 nm) regulates the function of the skin gland, producing sebaceous gland activity and acne. It is said that it has the effect of reducing.

Furthermore, the irradiation light in the wavelength band of 610 to 800 nm reaches the deep layer of the dermis to activate fibroblasts and promote the production of collagen and elastin. It is said to be effective in improving photo-aged skin such as spots and dullness.

JP 2013-085948 A JP 2012-034977 A JP 2009-172095 A JP 2007-330690 A

As described above, the conventional skin care apparatus uses a xenon lamp, an LD, or the like as a light source, and the skin may be burned or pigmented depending on the experience, proficiency level, and skin quality of the patient. . Further, in a skin care device using an LED as a light source, the irradiated light is likely to be diffused light compared to the LD, and the irradiation energy for the skin care surface is insufficient, which may inevitably cause long-term care work and hurt the skin. Furthermore, in order to have a predetermined irradiation energy, a high input current value is required for the LED light source, and a cooling process is required to cool the amount of heat around the LED light source that is generated at that time. When it does not have a function, irradiation for a long time becomes difficult and it becomes difficult to carry out sufficient skin care.

In view of the above problems, an object of the present invention is to use a SLED chip to set the wavelength of an SLD light source to a wavelength that best suits the most functional care target, for example, hair removal care, In the case of spot removal care, a light source having a main wavelength of about 808 nm is used, and the structure of the module including the semiconductor chip substrate is a multilayer structure that efficiently performs a heat dissipation function, depending on the specific wavelength from the SLD light source. To provide a skin care device that can maximize the skin care function.

In the skin care device of the present invention, a light emitting diode chip having an infrared wavelength is placed and supported on a multilayer metal layer including a gold (Au) layer inside a handpiece, and a heat sink having a cooling function is disposed below the light emitting diode chip. The present invention relates to a skin care device characterized in that a care light irradiator is configured and the wavelength of the care light emitted from the care light irradiator is specified according to the purpose of care.

Further, in one of the optional aspects of the present invention, the handpiece is also characterized in that it has a case containing an SLD light source selected as a care light irradiator for irradiating care light. Have

Also, in one of the selective aspects of the present invention, the care light irradiator uses an SLD chip to set the wavelength of the SLD light source to a wavelength suitable for the most functional care target, and an SLD chip having a dominant wavelength of about 808 nm. It is also characterized by being configured to be used.

Also, one of the selective aspects of the present invention is characterized in that a nickel (Ni) layer is interposed in a multilayer metal layer including a gold (Au) layer constituting the skin care irradiation body.

Also, in one of the optional aspects of the present invention, the case is provided with an introduction hole and a discharge hole for cooling water communicating with the heat sink, and a circulation water passage through which the cooling water from the introduction hole circulates is provided in the heat sink. It is also characterized by being engraved on the wall surface in the form of an inclined grid.

Also, in one of the selective aspects of the present invention, a cooling fan for cooling the heat sink of the case is provided, and the heat sink wall surface is engraved in an inclined lattice shape.

Also, in one of the selective aspects of the present invention, the case is characterized in that it is formed of an alloy of copper (Cu) and tungsten (W).

According to the invention of claim 1, in the skin care device according to this aspect, a diode chip having an infrared wavelength is placed and supported on a multilayer metal layer including a gold (Au) layer inside the handpiece, and a heat sink is provided below the diode chip. Since the care light irradiator is configured by arranging it, the heat generated when the light emitting diode chip emits light can be efficiently transferred to the heat sink by passing through the multilayer metal layer having high thermal conductivity. In addition, the temperature inside the handpiece is appropriately managed by the cooling process using the heat sink, and continuous skin care is possible. Furthermore, since the care light emitted from the care light irradiator is characterized in that the wavelength is specified according to the purpose of care, the light emission in the wavelength region other than the care purpose is weak, and it has been used for other wavelength bands in the past. By integrating the energy that has been used in the required wavelength range, efficient skin care with less energy loss becomes possible. In addition, by emitting infrared wavelengths, the body warms and promotes the flow of blood, so that tissue metabolism is activated and the pain-causing chemicals are removed, reducing pain. Fatigue substances will also flow and fatigue and damage recovery will be accelerated. In addition, stiffness of muscles and joints can be removed to improve movement and support the body. As a result, joint pain, muscle pain, neuralgia, and stiff shoulders can be improved.

According to the invention of claim 2, since it has a case incorporating the SLD light source selected as the care light irradiator for irradiating the care light beam installed in the handpiece, the irradiated light is other than the irradiated part The risk of leakage into the part is reduced as much as possible. Further, by using an SLD chip as the irradiation light source, the irradiation light has coherent properties and emits light in a broadband wavelength range, so that efficient skin care can be realized.

According to the invention of claim 3, the care light irradiator uses an SLED chip to set the wavelength of the SLD light source to a wavelength suitable for the most functional care target, and uses an SLD chip whose main wavelength is about 808 nm. Therefore, it is efficiently absorbed by the melanin pigment. Further, the irradiation light activates fibroblasts in the deep layer of the dermis and promotes the production of collagen and elastin, thereby having an effect that is effective in improving photoaged skin such as skin spots and dullness.

According to the invention of claim 4, since the nickel (Ni) layer is interposed in the multilayer metal layer including the gold (Au) layer constituting the skin care irradiator, the thermal expansion of the metal layer due to the heat generated by the light emission of the SLD chip, The nickel (Ni) layer relaxes and absorbs the difference from the shrinkage of the metal layer due to the cooling action in the cooling section.

According to the invention of claim 5, a cooling water introduction hole and a lead-out hole communicating with the heat sink are provided in the case, and a circulation water channel through which the cooling water from the introduction hole circulates is formed on the heat sink wall surface in an inclined lattice shape. Since the contact area between the cooling water and the case is enlarged as much as possible, the cooling water is efficiently cooled and moved to another place that efficiently radiates the amount of heat raised by the cooling water. be able to. Moreover, continuous skin care by a care light irradiation body can be safely implemented by an efficient cooling action.

According to the invention of claim 6, a cooling fan for cooling the heat sink of the case is provided, and the heat sink wall surface is engraved in an inclined lattice shape. The contact area is enlarged as much as possible, and the heat is efficiently cooled, and heat can be efficiently exhausted from the handpiece body to the outside.

Since the case is characterized in that the case is formed of an alloy of copper (Cu) and tungsten (W), the multilayer metal layer placed on the upper part of the case due to the high thermal conductivity of copper. The heat transferred more efficiently is transferred to the heat sink and cooled appropriately. In addition, since it contains tungsten, it is strong against external impact and can prevent defects such as defective water leakage inside the device.

It is a schematic block diagram of the skin care apparatus concerning 1st Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS The structure of the handpiece concerning 1st Embodiment of this invention is shown, (A) is a top view of a handpiece, (B) is a side view of a handpiece, (C) is a handpiece. It is a bottom view, (d) is a front view of a handpiece. BRIEF DESCRIPTION OF THE DRAWINGS It is the figure which showed the state which gripped the handpiece concerning 1st Embodiment of this invention with the palm of one hand, (A) is a figure which shows the state which looked at the bottom of the handpiece, (B) is a side view of a handpiece. It is a figure which shows the state seen. It is the figure which illustrated the functional structure of the skin care apparatus concerning 1st Embodiment of this invention. It is the figure which planarly viewed the case concerning 1st Embodiment of this invention. It is a partial expanded sectional view of the water cooling system of the care light irradiation body concerning 1st Embodiment of this invention. It is a schematic block diagram of the skin care apparatus concerning 2nd Embodiment of this invention. The handpiece structure concerning 2nd Embodiment of this invention is shown, (A) is a top view of a handpiece, (B) is a side view of a handpiece, (C) is a bottom face of a handpiece It is a figure, (d) is a front view of a handpiece. It is the figure which illustrated the functional structure of the skin care apparatus concerning 2nd Embodiment of this invention. It is a partial expanded sectional view of the air cooling system of the care light irradiation body concerning 2nd Embodiment of this invention.

The present invention, in a skin care device having a grippable hand piece that performs a care light irradiation operation in contact with the skin surface, the hand piece includes a case containing a care light irradiation body for irradiating a care light beam, An irradiation window for irradiating a care beam opened on the lower side surface of the case and a light transmission plate that is stretched over the irradiation window and transmits the care beam.

Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.
First, the skin care device of the present invention will be described.

FIG. 1 is a schematic configuration diagram of a skin care device according to a first embodiment of the present invention. The skin care apparatus includes an apparatus main body 1 and a hand piece 100 connected to the apparatus main body 1 via a cable 4.

The apparatus main body 1 includes a control circuit such as a microcomputer, and cools the heat generated by the light emitted from the light source in the control unit 2 that performs various control processes, the operation unit 3 that includes operation keys and a display, and the light source in the handpiece. The cooling part 6 is comprised. The control unit 2 and the cooling unit 6 will be described later with reference to FIG.

As shown in FIG. 1, the operation unit 3 includes an operation panel 30, an emergency stop button 31, and a key switch 32. The operation panel 30 includes a display panel 33, a MODE button 34, a SELECT button 35, and an OK button 36.
The display panel 33 displays various setting states, alarms, and the like. The MODE button 34 is a button for selecting one of the processing mode and the A to D modes. In the A to D modes, the MODE button 34 is classified according to the mode depending on the light irradiation location, for example, the face or the body. The SELECT button 35 is a button for raising or lowering the intensity of light. The OK button 36 is a button for confirming after setting each mode. The emergency stop button 31 is a button for forcibly stopping the irradiation of the care beam or the like when an emergency situation occurs. The key switch 32 is a switch for enabling the skin care device to be operated by inserting a key (not shown) and turning it clockwise.

The connector part 8 is a connection part between the apparatus main body 1 and the cable 4 provided with the handpiece 10 at the tip thereof. The connector unit 8 is provided with an electrical system connector 81 and a cooling water connector 82.

As shown in FIGS. 1 and 4, the handpiece 10 includes a handpiece body 100 formed of a substantially rectangular case, a cylindrical grip portion 103 connected to the rear end of the handpiece body 100, and a base of the grip portion 103. An irradiation button 104 disposed on the lower end surface, a display 105 disposed on the top end of the upper surface of the handpiece body 100, an irradiation counter 106 disposed on the rear surface of the display 105 on the upper surface of the substantially rectangular handpiece body 100, a hand The light beam irradiation body 150 includes a care light beam irradiation body erected along the longitudinal direction inside the piece main body 100 and an irradiation portion 150 including an irradiation window 152 disposed in a rectangular shape on the lower bottom surface of the handpiece main body 100.
The handpiece 10 is operated by grasping the grip portion 103 with a hand and making the irradiation portion 150 face a site where skin care is performed.

The cable 4 connects the apparatus main body 1 and the handpiece 10, a signal line for exchanging various signals between the apparatus main body 1 and the hand piece, a power line for supplying power to the light source, and cooling water in the apparatus main body 1 and the handpiece 10. The cooling water pipe 64 (not shown) for circulating is accommodated. The cable 4 has one end connected to the connector portion 8 and the other end connected to the handpiece body 100 through the grip portion 103.

FIG. 2 shows the appearance of the handpiece 10 of the skin care device according to the embodiment of the present invention. The display device 105 includes a light emitting element such as a light emitting diode, and indicates whether the irradiation unit 150 is in a stopped state, a standby state, or an irradiation state in different light emission colors such as green, yellow, and red. The irradiation counter 106 stores and displays the cumulative number of irradiations since installation.

FIG. 3 is a diagram showing a state where the handpiece is gripped with the palm of one hand.
FIG. 3A shows a state where the handpiece main body 100 is gripped and the irradiation button 104 is pressed with a thumb.

As shown in FIGS. 3A and 3B, the rod-shaped grip 103 is formed integrally with the case of the handpiece main body 100, and is substantially the same length as the front and rear lengths of the handpiece main body 100. And is extended to the upper part of the base end of the handpiece body 100.

As a result, as shown in FIG. 3 (A) and FIG. 3 (B), it is possible to take a grip form that is easy to operate according to the treatment site for skin care, and a safe and reliable operation is possible.

(Shows the role of each part in this embodiment)
FIG. 4 is a diagram illustrating a functional configuration of the skin care device according to the embodiment of the invention. The control unit 2 of the apparatus main body 1 includes an irradiation control unit 201 and an operation control unit 202. The irradiation control unit 201 activates the irradiation unit 150 based on the pressing operation of the irradiation button 104 to emit light. Control is performed so that a care light beam having a predetermined wavelength is irradiated through the rectangular irradiation window 152.

The operation control unit 202 controls the display 105 to be set to a stopped state, a standby state, or during irradiation based on the state of the handpiece and the pressing operation of the irradiation button 104.

The cooling unit 6 cools the heat generated by the light emission of the light source of the handpiece body 100 with cooling water. That is, the heat energy generated from the light source and reaching the heat sink 300 through the support base 200 is cooled by the cooling water circulating through the cooling unit 6 and the heat sink 300.

The skin care device of the present invention is configured as described above, and the gist of the present invention resides in the structure of the SLD light source 151 disposed in the handpiece body 100 and peripheral devices related thereto in the skin care device.
That is, in the handpiece main body 100, the care light beam irradiation body 400 is built in a position corresponding to an irradiation window 152 for irradiating the care light beam and a light transmission plate that is stretched on the irradiation window 152 and transmits the care light beam. ing.

The care beam irradiator 400 includes a support base 200 in which an SLD light source 151 is mounted on the surface inside a cubic case 500 made of an alloy of copper (Cu) and tungsten (W) having high thermal conductivity, and a support base 200. The heat sink 300 disposed below the base 200 is housed. By storing in this way, the probability that the irradiated care beam is emitted to other than the care site is reduced as much as possible, and the loss due to light leakage is reduced. Further, since it is covered with a case of copper (Cu) having a high thermal conductivity, it has an action of diffusing heat generated in the SLD light source 151 as much as possible, and prevents the SLD light source 151 from being deteriorated by heat. Has the effect of being able to.

The SLD light source 151 is configured by arranging a plurality of SLD chips 160. In this embodiment, as shown in FIG. 5, for example, 12 SLD chips 160 are arranged. The SLD chip 160 has a functional wavelength suitable for the care target, and is composed of an element that emits light having a dominant wavelength of about 808 nm, for example. This effectively absorbs the irradiation energy into the melanin pigment and burns off the hair matrix cells, activates fibroblasts in the deep layer of the dermis, and promotes the production of collagen and elastin, thereby causing skin spots and dullness. In addition to having an effect that is effective in improving photoaged skin, the blood vessel is dilated and congested by resonance absorption to the skin, and an analgesic action for pain such as muscle pain, joint pain, neuralgia, and stiff shoulders can be expected.
In general, when a diode is used as a care light beam, an SLD light source, an LD light source, an LED light source, or the like is used. In the present invention, an SLD light source is particularly used.

The reason is due to the characteristics of each light source.
Since the LD light source has high coherence and emits almost no light other than the peak wavelength region, it is possible to perform treatment with energy saving. However, there is a disadvantage that the treatment area is very narrow and the working efficiency is poor. In addition, since the irradiation light becomes spot light, there is a problem that if the irradiation time is not considered, burns and pigmentation may occur on the skin of the patient, and there is a disadvantage that only a skilled operator can engage in the care work. is doing.

In the case of an LED light source, the coherency of the irradiated light is low, and it radiates over the entire visible light region centering on the peak wavelength. Therefore, although the diffusion degree of irradiation light is high and it has a wide irradiation range, it is necessary to input an excessive current value to the LED light source in order to obtain necessary irradiation energy. As described above, the LD light source and the LED light source have drawbacks when used as skin care light beams.

SLD light source has a characteristic to compensate for the disadvantages of both light sources. The SLD light source has higher coherence than the LED light source and has a wide wavelength band to be radiated. Therefore, the irradiation energy necessary for the skin care light beam can be realized within a specified current value that can be input to the SLD chip. . In addition, since the irradiation area is large compared to the LD light source, the treatment efficiency is also excellent.

The SLD chip 160 is placed on the support base 200 shown below.
As shown in FIG. 6, the support base 200 has the SLD chip mounting surface side as a surface, and a first gold (Au) layer 201, a beryllium oxide (BeO) layer 202, and a second gold (Au) layer 203 from the surface. And a nickel (Ni) layer 204 and a third gold (Au) layer 205 are laminated.
In addition, diamond powder is mixed in beryllium oxide (BeO) 202.
In addition, the first gold (Au) layer 201 on the front surface of the support base 200 and the third gold (Au) layer 205 on the back surface include an uppermost gold (Au) layer 206 and a lowermost gold (Au) layer 207. In order to prevent rust, the first solder 208 and the second solder 209 are used for soldering.
Here, what is expressed as a metal layer, such as a gold (Au) layer or a nickel (Ni) layer, is a generic expression of a thin film shape or a thin plate shape such as a metal plate or a metal sheet.
The solder 208 and the solder 209 are made of an alloy of gold (Au) and tin (Sn) or an alloy of zinc (Zn) and tin (Sn).
The use of the gold (Au) layer in the multi-layered metal structure of the support base 200 takes into consideration the wettability of the solder as well as the property of the metal not to rust. The beryllium oxide (BeO) layer 202 is used as a single plate having hardness as a kind of ceramic, and the nickel (Ni) layer is generated by heat generated by the light emission of the SLD chip 160. This is to absorb the difference between the expansion of the metal layer and the shrinkage of the metal layer due to the cooling action in the heat sink.

A heat sink 300 is provided below the structure of the support base 200 thus configured.
That is, the heat sink 300 is for cooling the heat generated by the light emission of the SLD chip 160 placed and supported by the support base 200, and the structure of the support base 200 is as easy as possible to conduct and dissipate heat, and a gold (Au) layer is provided. The heat conduction is cooled by the heat sink 300.

The heat sink 300 is configured by forming a water passage space below the case 500 below the lowermost gold (Au) layer 207 in the support base 200. That is, the space portion 503 for the water flow path is formed in the thick portion at the bottom of the case 500, and the ceiling surface 501 of the space portion 503 formed in the thick portion at the bottom of the case 500 is adjacent to the heat sink 300, The ceiling surface 501 and the inner bottom surface 502 of the space portion of the water channel each form a circulating water channel on the slit. Furthermore, the slanted slit-shaped circulation channels on the upper and lower surfaces have shapes that intersect with each other in an inclined lattice shape. In addition, a fourth gold (Au) layer 506 is provided on the contact surface between the ceiling surface 501 and the circulating water in consideration of corrosion prevention and conduction heat radiation, and the inner bottom surface 502 is similarly provided with corrosion prevention and conduction heat radiation. In consideration of the above, a fifth gold (Au) layer 507 is provided.
Therefore, the area where the circulating water flowing through the water flow path and the ceiling surface 501 and the inner bottom surface 502 of the space portion 503 formed in the thick portion at the lower part of the case 500 come into contact with each other is increased as much as possible. It is well implemented.
The cooling water connector 82 of the apparatus main body 1 is configured so that the cooling water in the apparatus main body 1 is circulated between the cooling water cable 4 and the heat sink 300 in the case 500 via the cooling water cable 4. As shown, a water guide hole 504 and a lead-out hole 505 for introducing cooling water into the heat sink 300 are formed on one side surface of the case 500 and connected to the cooling water cable 4 respectively.
Therefore, the heat stored in the SLD light source 151 can be efficiently conducted to the cooling unit 6 of the apparatus main body 1, and the probability that the heat stays in the case 500 is reduced as much as possible. It can be used for a long time by reducing damage caused by heat accumulation.

Further, a method for cooling the heat sink 300 'will be described with reference to the drawings. FIG. 10 is an enlarged cross-sectional view showing a part of the care beam irradiation body 400 ′ when the heat sink 300 ′ is cooled by the cooling fan 600. Detailed description of the same parts as those in the first embodiment will be omitted.

The SLD light source 151 ′ is composed of a single SLD chip 160, and in the second embodiment, it is disposed at a substantially central portion of the SLD light source 151 ′. As a result, the irradiation energy is reduced, the amount of heat released from the SLD chip is suppressed, the amount of heat that can be sufficiently cooled by the cooling action of the cooling fan 600 described later is suppressed, and a compact shape that can be used at home can be realized.

The case 500 ′ has a heat sink 300 ′ below the lowermost gold (Au) layer 207 in the support base 200, and further has a cooling fan 600 below the heat sink 300 ′. The heat sink 300 ′ has an inclined lattice shape on the contact surface with air, and is provided with a fourth gold (Au) layer 506 in consideration of corrosion prevention and conduction heat dissipation, and is used together with the exhaust heat treatment mechanism of the cooling fan 600. Efficient exhaust heat.
The cooling fan 600 manages the drive by the control unit 2 of the apparatus body 1 and starts rotating in conjunction with the pressing state of the irradiation button 104 to cool the remaining heat even after the finger is released from the irradiation button 104. Therefore, it continues to rotate for several minutes, and convection cooling in the handpiece body 100 'is performed.

The handpiece body 100 'has a slit 700 on the upper surface as shown in FIG. The slit 700 has a substantially rectangular shape in plan view, and can be used together with the cooling fan 600 to discharge heat of the case 500 ′ to the outside of the handpiece main body 100 ′. Further, the slit 700 has an opening shape with a width of 1 mm or less, and is configured so that dust of 1 mm or more does not enter the handpiece body 100 ′.

Further, in the second embodiment, the cooling system connector 82 disposed in the cooling section 6 provided in the apparatus main body 1 ′ and the joint section 8 provided as a circulation path of circulating water becomes unnecessary by adopting the air cooling method. . Thereby, slimming down of apparatus main body 1 'and cable 4' is attained.

With such a configuration, the heat in the handpiece main body 100 ′ can be efficiently exhausted to the outside, damage due to heat accumulation in the SLD chip 160 is reduced, and long-term use is possible.

The embodiment of the present invention is configured as described above and can be used for various types of skin care. However, the present invention functions not only for skin care but also for medical use. For example, using SIR light source with an infrared wavelength of about 808 nm, thermotherapy for low back pain, neuralgia, shoulder stiffness, skin disease, hair growth, hair growth therapy, etc., and intensive SLD infrared irradiation to the affected area It can also be used for cancer treatment.
When used for such medical purposes, it is necessary to appropriately apply irradiation time and temperature adjustment depending on the diseased part while referring to clinical data.

In the above description of the embodiments, various technical limitations are made, but the present invention is not limited to these embodiments.

DESCRIPTION OF SYMBOLS 1 Apparatus main body 1 'apparatus main body 2 Control part 3 Operation part 4 Cable 6 Cooling part 8 Connector part 10 Handpiece 61 Peltier unit 62 Cooling water tank 63 Water supply pump 64 Cooling water pipe 81 Electrical system connector 82 Cooling system connector 100 Handpiece main body 100 'handpiece body 103 grip section 104 irradiation button 105 display 106 irradiation counter 150 irradiation section 151 SLD light source 151' SLD light source 152 irradiation window 160 SLD chip 200 support base 201 first gold (Au) layer 202 beryllium oxide (BeO) Layer 203 Second gold (Au) layer 204 Nickel (Ni) layer 205 Third gold (Au) layer 206 Uppermost gold (Au) layer 207 Lowermost gold (Au) layer 208 First solder 209 Second solder 300 Heat sink 300 'heat 400 400 Care beam irradiator 400 'Care beam irradiator 500 Case 500' Case 501 Ceiling surface 502 Inner bottom surface 503 Space 504 Water introduction hole 505 Outlet hole 506 Fourth gold (Au) layer 507 Fifth gold (Au) layer 600 Cooling Fan 700 slit

Claims

Inside the handpiece, a light emitting diode chip having an infrared wavelength is placed and supported on a multilayer metal layer including a gold (Au) layer, and a heat sink is disposed below the light emitting diode chip to constitute a care light irradiation body. A skin care device characterized in that the wavelength of the care light emitted from the eye is specified according to the purpose of care.
2. The skin care device according to claim 1, wherein the handpiece has a case in which an SLD light source selected as the care light irradiator for irradiating a care light is incorporated.
3. The light emitting diode chip is used so that the wavelength of the SLD light source is a wavelength suitable for the most functional care target, and an SLD chip having a dominant wavelength of about 808 nm is used. A skin care device according to claim 1.
The skin care device according to any one of claims 1 to 3, wherein a nickel (Ni) layer is interposed in the multilayer metal layer including the gold (Au) layer.
A cooling water introduction hole and a lead-out hole communicated with the heat sink are provided in the case, and a circulation water channel through which the cooling water from the introduction hole circulates is formed in an inclined lattice shape on the heat sink wall surface. The skin care device according to any one of claims 1 to 4.
The skin care device according to any one of claims 1 to 4, wherein a cooling fan for cooling the heat sink of the case is provided, and the heat sink wall surface is engraved in an inclined grid pattern.
The skin care device according to any one of claims 1 to 6, wherein the case is formed of an alloy of copper (Cu) and tungsten (W).