Light-emitting unit and light-irradiating beauty device

Abstract

To provide a light-emitting unit and a light irradiation type cosmetic apparatus which can improve the beauty effect.SOLUTION: A light-emitting unit 30 comprises: a first light source part 32 which has a prescribed wavelength spectrum; a second light source part 33 which has a wavelength spectrum different from the first light source part 32; and an emission port 31 which emits at least a portion of an electromagnetic wave radiated from the first light source part 32 and a portion of the electromagnetic wave radiated from the second light source 33 when the electromagnetic waves are respectively radiated from the first light source part 32 and the second light source part 33. The first light source part 32 is located at a position where interference with the electromagnetic wave radiated from the second light source part 33 is suppressed. The second light source part 33 is located at a position where interference with the electromagnetic wave radiated from the first light source part 32 is suppressed.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present disclosure relates to a light-emitting unit and a light-irradiating cosmetic device. [Background technology]

[0002] A method of irradiating light onto the surface of the practitioner's skin is known as a means of achieving beauty effects such as beautiful skin and hair growth. A light-irradiating beauty device is known as a device for achieving beauty effects by irradiating light onto the surface of the practitioner's skin.

[0003] This light-irradiating cosmetic device includes a light-emitting unit having a light source, which is generally a light source having a narrowband wavelength spectrum such as an LED (Light Emitting Diode) or a laser, or a light source having a broadband wavelength spectrum such as a flash lamp.

[0004] However, it is known that the cosmetic effects obtained when light emitted from a light source is irradiated onto the skin vary depending on the wavelength spectrum, and therefore, in recent years, there has been a need to simultaneously irradiate the skin with light emitted from light sources having different wavelength spectra in order to obtain various cosmetic effects.

[0005] The light mentioned above refers to light (electromagnetic waves) in a broad sense, including not only visible light but also ultraviolet and infrared wavelengths.

[0006] As light-irradiating cosmetic devices that can provide various cosmetic effects, the following patent documents 1 and 2 have been proposed. [Prior art documents] [Patent documents]

[0007] [Patent Document 1] Special Publication No. 2009-532079 [Patent Document 2] Patent No. 6296743 Summary of the Invention [Problem to be solved by the invention]

[0008] In the above-mentioned Patent Document 1, different types of light sources are arranged on the same plane, so that photocosmetic effects of a plurality of wavelength spectra can be obtained simultaneously.

[0009] In addition, in the above-mentioned Patent Document 2, the emission port of the flash lamp is placed at the center, and other light sources such as LEDs are arranged around the emission port, thereby making it possible to irradiate a plurality of wavelength spectra on the same plane.

[0010] However, in the configurations disclosed in Patent Documents 1 and 2 above, the contact area with the skin is inevitably large, and when irradiating small areas such as the nostrils or corners of the eyes, only the light from the light sources placed around the area could be applied.

[0011] As described above, the conventional techniques described above have a problem in that there are many areas where light emitted from a plurality of light sources cannot be directed at the same location, making it difficult to improve the cosmetic effect.

[0012] In view of the above, an object of the present disclosure is to provide a light-emitting unit and a light-irradiating cosmetic device that can further enhance the cosmetic effect. [Means for solving the problem]

[0013] A light-emitting unit according to one aspect of the present disclosure includes a first light source having a predetermined wavelength spectrum, a second light source having a wavelength spectrum different from that of the first light source, and an emission port through which at least a part of the electromagnetic waves emitted from the first light source and at least a part of the electromagnetic waves emitted from the second light source are emitted when electromagnetic waves are emitted from the first light source and the second light source, respectively. The first light source is disposed at a position where interference with the electromagnetic waves emitted from the second light source is suppressed, and the second light source is disposed at a position where interference with the electromagnetic waves emitted from the first light source is suppressed.

[0014] A light-irradiating cosmetic device according to one aspect of the present disclosure is a device including the light-emitting unit. Effect of the Invention

[0015] According to the present disclosure, it is possible to obtain a light-emitting unit and a light-irradiating cosmetic device that can further enhance the cosmetic effect. [Brief description of the drawings]

[0016] [Figure 1] 1 is a perspective view showing a light-irradiating cosmetic device according to an embodiment. [Diagram 2] 1 is a front view showing an attachment incorporating a light-emitting unit according to an embodiment of the present invention; [Diagram 3] 1 is a side view showing an attachment incorporating a light-emitting unit according to an embodiment of the present invention; [Figure 4] 1 is a cross-sectional view showing an attachment incorporating a light-emitting unit according to an embodiment of the present invention; [Diagram 5] 1 is a side cross-sectional view showing an attachment incorporating a light-emitting unit according to an embodiment of the present invention. [Figure 6] 1 is a perspective view showing an attachment incorporating a light-emitting unit according to an embodiment of the present invention; [Figure 7] FIG. 2 is a perspective view showing a first light source section and a second light source section of the light-emitting unit according to the embodiment. [Figure 8] 1 is a block diagram showing a light-irradiating cosmetic device according to an embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] Hereinafter, the embodiments will be described in detail with reference to the drawings. However, more detailed description than necessary may be omitted. For example, detailed description of already well-known matters or duplicate description of substantially the same configuration may be omitted.

[0018] It should be noted that the accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

[0019] In the following description, electromagnetic waves will be used to refer to light in a broad sense, including not only visible light but also ultraviolet and infrared wavelengths.

[0020] In addition, in the following embodiments, the up-down direction Z of the light-irradiating cosmetic device is defined with the light outlet facing upward, the longitudinal direction of the light-irradiating cosmetic device in the horizontal direction is defined as the width direction Y, and the short side direction of the light-irradiating cosmetic device in the horizontal direction (a direction perpendicular to the up-down direction Z and the width direction Y) is defined as the front-rear direction X.

[0021] In the present embodiment, the side of the main body where the switch unit is provided is defined as the front in the front-rear direction.

[0022] (Embodiment) [An example of the configuration of a light-irradiating beauty device] First, an example of the configuration of a light-irradiating cosmetic device will be described with reference to FIGS.

[0023] A light-irradiating cosmetic device 1 according to this embodiment includes a main body 10 and an attachment 20 that is detachably attached to the main body 10, as shown in FIG.

[0024] The main body 10 has an elongated shape in the vertical direction Z, and is formed to a size that allows the user to hold it in one hand. Thus, in this embodiment, the main body 10 functions as a grip part that can be held in the hand. An attachment (light irradiation attachment) 20 having a light emitting unit 30 for irradiating light to the skin of the practitioner is attached to the upper end of the main body 10.

[0025] The light-irradiating cosmetic device 1 equipped with this light-irradiating attachment (attachment 20) is a device for enhancing the cosmetic effect on the practitioner's skin, for example, by irradiating electromagnetic waves of a predetermined wavelength spectrum onto the skin of the practitioner's face, hands, and feet.

[0026] The attachment 20 can be one of a number of light irradiation attachments, such as a body attachment and a face attachment. In this way, a number of attachments can be used according to the purpose, and the beauty effect can be obtained more efficiently. Also, the attachment may have an attachment having a function other than light irradiation, such as an attachment for hair removal.

[0027] In this embodiment, the main body 10 includes a housing 11 made of synthetic resin, which can be formed, for example, by joining together a plurality of divided bodies. A cavity is formed inside the housing 11, and various electric components are housed inside this cavity.

[0028] In this embodiment, as shown in FIG. 8, a cavity formed inside the housing 11 accommodates a flash lamp driving unit 13 that drives a flash lamp (first light source) 321 described later, an LED driving unit 14 that drives an LED (second light source) 331 described later, and a power supply unit 12 that supplies power to the flash lamp driving unit 13 and the LED driving unit 14.

[0029] In this embodiment, a push-type operation switch 11a is formed on the housing 11 to operate (turn on / off) the light-irradiating cosmetic device 1. Note that, although the push-type operation switch 11a is exemplified as the switch in this embodiment, a slide type or other switch may be used as long as it is a switch that can turn on / off the power.

[0030] In addition, a press-type selection switch 11b is formed on the housing 11, which can select driving either one or both of the flash lamp driving unit 13 and the LED driving unit 14. This selection switch 11b can also be a slide type or other switch.

[0031] [An example of the configuration of a light-emitting unit] Next, an example of the configuration of the light-emitting unit will be described with reference to FIGS.

[0032] The light emitting unit 30 according to this embodiment is built in (included) in the attachment 20 described above.

[0033] Specifically, the attachment 20 includes a housing 21 that constitutes the outer shell of the attachment 20, and the light-emitting unit 30 is built into the housing 21.

[0034] Housing 21 is formed by joining upper housing 211 and lower housing 212, which are divided into upper and lower halves, and a cavity penetrating vertically is formed inside housing 21 (see Figs. 4 and 5). In this embodiment, the opening that opens upward among the upper and lower openings of the cavity formed inside housing 21 serves as opening 311 of emission port 31, which will be described later, and emission port 31 is formed by inserting light guide plate 312 into this opening.

[0035] The light emitting unit 30 includes a flash lamp unit (first light source section) 32, an LED unit (second light source section) 33, and an emission port 31 located above the flash lamp unit 32 and the LED unit 33. The wavelength spectrum of the flash lamp unit 32 and the wavelength spectrum of the LED unit 33 are different from each other.

[0036] In this embodiment, the flash lamp unit 32 uses a flash lamp 321 as a first light source, and the LED unit 33 uses an LED 331 as a second light source. This allows the electromagnetic waves emitted from the flash lamp unit 32 to have a predetermined wavelength spectrum. The electromagnetic waves emitted from the LED unit 33 have a predetermined wavelength spectrum different from that of the electromagnetic waves emitted from the flash lamp unit 32.

[0037] In addition, when flash lamp 321 is used as the first light source for producing a cosmetic effect as in this embodiment, broadband light of 400 nm to 1200 nm is emitted, so that a wide range of cosmetic effects can be provided to the practitioner's skin, and a hair removal effect can also be provided.

[0038] In this embodiment, a substantially cylindrical flash lamp (cylindrical tube flash lamp) 321 is used, and this cylindrical tube flash lamp 321 is arranged with its axial direction aligned with the width direction Y (see Figures 4 and 5).

[0039] In this way, when using a cylindrical flash lamp 321, electromagnetic waves (light) are emitted in the radial direction of the cylindrical tube, so that the electromagnetic waves (light) cannot be efficiently guided to the emission port 31, and a relatively large amount of electromagnetic waves (light) is wasted.

[0040] Therefore, in this embodiment, flash lamp unit 32 is provided with reflecting mirror 322 for guiding, to outlet 31, at least a portion of the electromagnetic waves emitted from flash lamp 321 and traveling in a direction away from outlet 31.

[0041] Reflector 322 has a shape in which a substantially rectangular plate-like member is bent into a U-shape that opens upward in side view, and the inner surface of reflector 322 is mirror surface 322a. Cylindrical flash lamp 321 is disposed on the lower side of reflector 322, which is substantially U-shaped in side view, so as to face mirror surface 322a. In this case, it is preferable that cylindrical flash lamp 321 is disposed at the focal point of a parabola that approximates reflector 322, which is substantially U-shaped in side view. In this way, electromagnetic waves emitted from cylindrical flash lamp 321 can be more reliably reflected upward.

[0042] Furthermore, in this embodiment, a flash lamp filter 323 is disposed above the cylindrical flash lamp 321 and the reflecting mirror 322 that is substantially U-shaped in side view, and below the emission port 31 in the vertical direction Z (toward the first light source). Then, the electromagnetic waves emitted from the cylindrical flash lamp 321 and the electromagnetic waves reflected by the mirror surface 322a of the reflecting mirror 322 pass through this flash lamp filter 323 before proceeding to the emission port 31. Thus, in this embodiment, the flash lamp filter 323 serves as the emission port of the flash lamp unit 32.

[0043] The flash lamp filter 323 can be formed of a material that easily transmits at least a part of the electromagnetic waves emitted from the flash lamp 321. It can also be formed by attaching a filter to the surface of a body such as glass or acrylic. In this case, a material that easily transmits all wavelengths can be selected, and when a material that easily transmits all wavelengths is selected, it becomes possible to extract higher energy. It is also possible to make the flash lamp filter 323 function as a wavelength cut filter that cuts off specific wavelengths. For example, by cutting off light of 400 nm to 550 nm that is likely to lead to pain when electromagnetic waves (light) are irradiated from the flash lamp 321 to the skin, it is possible to realize irradiation that is less painful. It is also possible to configure a band pass filter and extract light of a specific wavelength, so that only light that can obtain the desired beauty effect is applied to the skin.

[0044] In this embodiment, the cylindrical flash lamp 321, the reflecting mirror 322, and the flash lamp filter 323 are held in a holding case 324 (see FIGS. 4, 5, and 7).

[0045] As described above, in this embodiment, one flash lamp 321 is used as the first light source for producing a beauty effect, while multiple LEDs 331 are used as the second light source for producing a beauty effect.

[0046] Surface-mounted LEDs are used as the multiple LEDs 331, and the multiple LEDs 331 are mounted on an LED mounting board 332. In this embodiment, the LED mounting board 332 is arranged so as to surround the periphery of the upper surface (flash lamp filter 323) of the flash lamp unit 32, and the multiple LEDs 331 are mounted on this LED mounting board 332 in a state of being spaced apart at approximately equal intervals all around. Therefore, in this embodiment, the multiple LEDs 331 are arranged so as to surround the entire periphery of the upper surface (flash lamp filter 323) of the flash lamp unit 32.

[0047] It is also possible to use LEDs other than the surface mount type as the LED 331.

[0048] In this embodiment, by using LED 331 as the second light source for producing a cosmetic effect, the wavelength can be selected according to the desired cosmetic effect, so that in addition to the desired cosmetic effect, a hair removal effect can also be achieved.

[0049] For example, by selecting LED 331 in the following wavelength band, the following cosmetic effects can be obtained. Note that the wavelengths shown below indicate peak wavelengths, and part of the electromagnetic waves (light) emitted from LED 331 may include wavelengths outside the range.

[0050] (1) 400nm~550nm: Improves fine lines, acne, redness, moisturizing, pore improvement, anti-inflammatory effect, sebum reduction, wound healing (2) 550nm~620nm: Improves fine lines, nasolabial folds, promotes cell turnover, and improves dark spots (3) 620nm~750nm: Wound healing, immune activation, wrinkle improvement, age spot improvement, cell turnover promotion, collagen production (4) 750nm~2000nm: Wound healing, immune activation, cell turnover promotion Furthermore, by using an LED with a wavelength spectrum of 550 nm to 1000 nm, it is possible to obtain the effect of improving skin brightness.

[0051] In addition, it is not necessary for the multiple LEDs 331 to have the same wavelength spectrum, and LEDs with different wavelength spectra may be used in combination. For example, by using a 450 nm LED and a 630 nm LED, it is possible to aim for acne improvement and collagen production effects.

[0052] Furthermore, the wavelength spectrum of the electromagnetic waves emitted from the LED 331 may have temperature dependency. For example, an LED that emits red light may be used as such an LED. In this way, by using an LED that has temperature dependency, it becomes possible to provide various effects to the skin according to temperature changes during use. In other words, it becomes possible to provide multiple effects to the skin with one LED.

[0053] In this embodiment, the plurality of LEDs 331 are thermally connected to a heat sink 333 via an LED mounting substrate 332 , and heat from the LEDs 331 is dissipated from the heat sink 333 .

[0054] As described above, in the present embodiment, the LED unit 33 includes a plurality of LEDs 331 as second light sources, an LED mounting board 332 on which the plurality of LEDs 331 are mounted, and a heat sink 333 that dissipates heat from the LEDs 331.

[0055] Furthermore, the flash lamp unit 32 and the LED unit 33 are housed in an integrated state within the space of the housing 21 as shown in FIG.

[0056] Specifically, by inserting and fixing a flash lamp filter 323 of the flash lamp unit 32 into the central opening of an LED mounting board 332, which is roughly U-shaped (rectangular ring) when viewed in a plane, the holding case 324 holding the cylindrical flash lamp 321, reflector 322 and flash lamp filter 323 is integrated with the LED unit 33.

[0057] As shown in FIG. 7, mounting holes 332a are formed on both sides of the LED mounting board 332 in the width direction Y, and screws 35 are inserted into these mounting holes 332a to fix the flash lamp unit 32 and the LED unit 33 to the housing 21 by fixing the flash lamp unit 32 and the LED unit 33 to the upper housing 211.

[0058] Incidentally, electromagnetic waves (light) are emitted upward (+Z direction) in the vertical direction Z from the flash lamp unit 32. Also, since the multiple LEDs 331 are top-emitting LEDs that emit electromagnetic waves (light) upward (+Z direction) in the vertical direction Z, there is no need to take into account electromagnetic waves (light) emitted downward (-Z direction) in the vertical direction Z.

[0059] However, since the LED 331 has a light distribution, it has a spread in the X and Y directions. Therefore, unless special consideration is given to this, only a small portion of the electromagnetic waves (light) emitted from the LED 331 will be emitted from the light outlet 31.

[0060] Therefore, in this embodiment, the light-emitting unit 30 is provided with an optical system disposed between the flash lamp unit 32 and the LED unit 33 and the emission port 31, for guiding at least a portion of the electromagnetic waves (light) emitted from at least one of the light source parts of the flash lamp unit 32 and the LED unit 33 to the emission port 31. In this way, by providing the light-emitting unit 30 with an optical system as a means for guiding the electromagnetic waves (light) emitted from the LED 331 to the emission port 31, it is possible to apply more electromagnetic waves (light) to the skin.

[0061] Furthermore, when electromagnetic waves (light) are applied to the skin, it is desirable that the distribution of the electromagnetic waves (light) at the emission port 31 is uniform in order to prevent more damage than necessary to the skin and to obtain a certain cosmetic effect.

[0062] Therefore, in this embodiment, an integrator optical system 34 capable of reducing unevenness in brightness by mixing electromagnetic waves (light) is used as the optical system. As such an integrator optical system 34, a conventionally known one can be used.

[0063] In this embodiment, a light pipe 341 surrounded by a mirror surface 341a capable of reflecting electromagnetic waves (light) of a wavelength spectrum emitted from a flash lamp unit 32 and an LED unit 33 is used as the integrator optical system .

[0064] Furthermore, in this embodiment, the entrance side (LED 331 side: the lower side in the vertical direction Z) is an opening capable of accommodating all of the multiple LEDs 331, and the integrator optical system 34 is formed using a tapered light pipe 341 configured by combining four mirrors so that the opening area becomes smaller toward the emission direction (upper side in the vertical direction Z). Therefore, in this embodiment, a substantially quadrangular pyramid-shaped space that penetrates vertically is formed inside the tapered light pipe 341.

[0065] By using such a tapered light pipe 341, it is possible to obtain the integrator optical system 34 more inexpensively, and it is also possible to more efficiently guide the electromagnetic wave (light) from the LED 331 to the exit port 31 and make the electromagnetic wave (light) approximately uniform at the exit port 31.

[0066] Thus, in this embodiment, the mirror surface 341 a of the light pipe 341 has four mirror surfaces that are inclined with respect to the central axis of the light pipe 341 .

[0067] At least one of the four mirror surfaces may extend parallel to the central axis of the light pipe 341 .

[0068] However, even if the integrator optical system 34 is used, depending on the arrangement of the flash lamp unit 32 and the LED 331 (LED unit 33), the radiation of the electromagnetic waves (light) toward the exit port 31 may be obstructed by the light source unit on the other side, resulting in less electromagnetic waves (light) being emitted from the exit port 31.

[0069] Therefore, in this embodiment, flash lamp unit 32 is arranged at a position where interference with the electromagnetic waves emitted from LED unit 33 is suppressed, and LED unit 33 is arranged at a position where interference with the electromagnetic waves emitted from flash lamp unit 32 is suppressed. In this way, in this embodiment, it is possible to more reliably suppress interference with the electromagnetic waves (light) emitted toward outlet 31, thereby making it possible to extract a sufficient amount of light from outlet 31.

[0070] Specifically, in this embodiment, the flash lamp unit 32 is arranged in a state in which the electromagnetic waves (light) emitted from the LED unit 33 in the main direction do not overlap with the electromagnetic waves (light) emitted from the LED unit 33 in the main direction until the electromagnetic waves (light) reach the emission port 31. Furthermore, the LED unit 33 is arranged in a state in which the electromagnetic waves (light) emitted from the flash lamp unit 32 in the main direction do not overlap with the electromagnetic waves (light) emitted from the flash lamp unit 32 in the main direction until the electromagnetic waves (light) reach the emission port 31. Here, the main direction of the electromagnetic waves (light) emitted from the flash lamp unit 32 is upward in the vertical direction Z, and the main direction of the electromagnetic waves (light) emitted from the LED unit 33 is upward in the vertical direction Z.

[0071] Furthermore, in this embodiment, the LED unit 33 is positioned at a position that does not overlap with the flash lamp unit 32 in a planar view (when viewed from the exit port 31), and the flash lamp unit 32 and the LED unit 33 are positioned so that the exit surface 32a of the flash lamp unit 32 and the exit surface 33a of the LED unit 33 are positioned on approximately the same plane.

[0072] At this time, the flash lamp unit 32 is positioned at a position where it does not interfere with electromagnetic waves within the half-value angle of the electromagnetic waves emitted from the LED unit 33, and the LED unit 33 is positioned at a position where it does not interfere with electromagnetic waves within the half-value angle of the electromagnetic waves emitted from the flash lamp unit 32.

[0073] In this way, it becomes possible to guide the electromagnetic waves (light) emitted from each of the flash lamp unit 32 and the LED unit 33 to the emission port 31 without interfering with the light source unit of the other side.

[0074] In reality, it may not be possible to place them on the same plane, but in this case, it is preferable to place the light source unit on the other side in a position that does not block the light within the half-value angle of the electromagnetic waves (light) emitted from each light source unit. This also makes it possible to extract a sufficient amount of light.

[0075] [An example of how a light-emitting beauty device works] The operation of the light-irradiating cosmetic device 1 equipped with the light-emitting unit 30 configured as above will be described.

[0076] First, the attachment 20 incorporating the light-emitting unit 30 is attached to the main body 10, thereby making the light-irradiating cosmetic device 1 ready for use.

[0077] Then, the operation switch 11a of the light-irradiating cosmetic device 1 that is now in a usable state is operated to turn the device on.

[0078] At this time, when the selection switch 11b has selected driving of both the flash lamp driving unit 13 and the LED driving unit 14, power is supplied from the power supply unit 12 to the flash lamp driving unit 13, and the flash lamp 321 is caused to emit light by the flash lamp driving unit 13. In addition, power is supplied from the power supply unit 12 to the LED driving unit 14, and the LED 331 is caused to emit light by the LED driving unit 14.

[0079] Then, the electromagnetic waves (light) emitted from the flash lamp 321 and the electromagnetic waves (light) emitted from the LED 331 are introduced into the integrator optical system 34, and the two types of electromagnetic waves (light) are emitted to the outside from the emission port 31 in a more evenly mixed state.

[0080] In this state, the light-irradiating cosmetic device 1 is slid along the skin with the skin covering the light outlet 31. In this way, the light is irradiated onto the surface of the practitioner's skin, and the desired cosmetic effect is imparted to the practitioner's skin.

[0081] In this manner, in this embodiment, when electromagnetic waves (light) are emitted from flash lamp unit 32 and LED unit 33, at least a portion of the two types of electromagnetic waves (light) are emitted from the same region (single emission port 31). Note that in this embodiment, the two types of electromagnetic waves (light) are the electromagnetic waves emitted from flash lamp unit 32 and the electromagnetic waves emitted from LED unit 33.

[0082] In addition, when the power is turned on, if the selection switch 11b selects driving of either the flash lamp driving unit 13 or the LED driving unit 14, electromagnetic waves (light) emitted from one of the light source units will be emitted from the emission port 31.

[0083] [Actions and Effects] The characteristic configurations of the light-emitting unit and the light-irradiating cosmetic device described in the above embodiment and the effects obtained thereby will be described below.

[0084] The light-emitting unit 30 shown in the above embodiment includes a first light source section 32 having a predetermined wavelength spectrum, a second light source section 33 having a wavelength spectrum different from that of the first light source section 32, and an emission port 31 through which at least a part of the electromagnetic waves emitted from the first light source section 32 and at least a part of the electromagnetic waves emitted from the second light source section 33 are emitted when electromagnetic waves are emitted from the first light source section 32 and the second light source section 33, respectively. The first light source section 32 is disposed at a position where interference with the electromagnetic waves emitted from the second light source section 33 is suppressed, and the second light source section 33 is disposed at a position where interference with the electromagnetic waves emitted from the first light source section 32 is suppressed.

[0085] In this way, it becomes possible to emit light (electromagnetic waves) from light sources with different wavelength spectra from the same area (one emission port). Therefore, it is possible to prevent the existence of areas on the skin that can only be irradiated with one light (electromagnetic wave) from the light sources with different wavelength spectra. Therefore, it becomes possible to simultaneously irradiate light (electromagnetic waves) with different wavelength spectra to more areas of the skin, thereby enabling the practitioner to achieve a greater cosmetic effect.

[0086] In addition, even if the area of ​​the exit is small, it is possible to simultaneously emit light (electromagnetic waves) from multiple light sources from the exit, so that light (electromagnetic waves) emitted from multiple light sources can be simultaneously applied to small areas such as the wings of the nose and the corners of the eyes, thereby further enhancing the beauty effect.

[0087] In this manner, the light-emitting unit 30 of this embodiment comprises a first light source unit 32 having a predetermined wavelength spectrum, a second light source unit 33 having a wavelength spectrum different from that of the first light source unit 32, and an emission port 31 from which at least a portion of the electromagnetic waves radiated from the first light source unit 32 and at least a portion of the electromagnetic waves radiated from the second light source unit 33 are emitted when electromagnetic waves are radiated from the first light source unit 32 and the second light source unit 33, respectively. By making it possible to extract the electromagnetic waves radiated from the first light source unit 32 and the electromagnetic waves radiated from the second light source unit 33 from the same emission port (emission port 31), it is possible to simultaneously irradiate any part of the skin with light (electromagnetic waves) of different wavelength spectrums, and to simultaneously treat with light (electromagnetic waves) having multiple cosmetic effects.

[0088] The device may further include an optical system arranged between the first light source unit 32 and the second light source unit 33 and the exit port 31 for guiding at least a portion of the electromagnetic waves emitted from at least one of the first light source unit 32 and the second light source unit 33 to the exit port 31.

[0089] In this way, the light (electromagnetic waves) emitted from at least one of the first light source unit 32 and the second light source unit 33 can be more efficiently guided to the exit port, thereby further enhancing the cosmetic effect.

[0090] The optical system may also be an integrator optical system 34 .

[0091] In this way, it becomes possible to emit light (electromagnetic waves) from light sources with different wavelength spectra in a more uniformly mixed state from the emission port, which results in the light (electromagnetic waves) from the light sources with different wavelength spectra being more uniformly applied to the skin, thereby more efficiently enhancing the cosmetic effect on the skin.

[0092] Furthermore, the integrator optical system 34 may be a light pipe 341 surrounded by a mirror surface 341 a capable of reflecting electromagnetic waves of the wavelength spectrum emitted from the first light source unit 32 and the second light source unit 33 .

[0093] In this way, the integrator optical system 34 can be formed with a simpler configuration.

[0094] Furthermore, the mirror surface 341 a of the light pipe 341 may have a mirror surface that is inclined with respect to the central axis of the light pipe 341 .

[0095] In this way, the light (electromagnetic waves) emitted from at least one of the first light source unit 32 and the second light source unit 33 can be more efficiently guided to the exit port, thereby further enhancing the cosmetic effect.

[0096] In particular, by using the tapered light pipe 341 as shown in this embodiment, it becomes possible to deliver more uniform light (electromagnetic waves) to the emission port 31 more efficiently.

[0097] Furthermore, the mirror surface 341 a of the light pipe 341 may have a mirror surface that extends parallel to the central axis of the light pipe 341 .

[0098] In this way, the mirror surface 341a of the light pipe 341 can be formed more easily.

[0099] In addition, the first light source unit 32 has a flash lamp 321 as a first light source, and may be equipped with a reflector 322 for guiding at least a portion of the electromagnetic waves emitted from the first light source 321 and traveling in a direction away from the emission port 31 to the emission port 31.

[0100] This allows the light (electromagnetic waves) emitted from the flash lamp 321 to be guided to the emission port with less waste.

[0101] The second light source unit 33 may have an LED 331 as a second light source.

[0102] This makes it easier to achieve a variety of cosmetic effects.

[0103] Furthermore, the wavelength spectrum of the electromagnetic waves emitted from the LED 331 may have temperature dependency.

[0104] This makes it possible to achieve multiple beauty effects using just one LED.

[0105] In addition, the first light source unit 32 is arranged in a state such that the electromagnetic waves emitted in the main direction from the second light source unit 33 do not overlap with the electromagnetic waves emitted in the main direction from the second light source unit 33 until they reach the outlet 31, and the second light source unit 33 may be arranged in a state such that the electromagnetic waves emitted in the main direction from the first light source unit 32 do not overlap with the electromagnetic waves emitted in the main direction from the first light source unit 32 until they reach the outlet 31.

[0106] This makes it possible to guide the light (electromagnetic waves) emitted from each light source to the light outlet more efficiently.

[0107] Further, the second light source unit 33 may be disposed at a position not overlapping with the first light source unit 32 when viewed from the light outlet 31 .

[0108] This also makes it possible to guide the light (electromagnetic waves) emitted from each light source to the light outlet more efficiently.

[0109] Furthermore, the emission surface 32a of the first light source section 32 and the emission surface 33a of the second light source section 33 may be located on approximately the same plane.

[0110] This also makes it possible to guide the light (electromagnetic waves) emitted from each light source to the light outlet more efficiently.

[0111] In addition, the first light source unit 32 may be positioned at a position where it does not interfere with electromagnetic waves within a half-value angle of the electromagnetic waves emitted from the second light source unit 33, and the second light source unit 33 may be positioned at a position where it does not interfere with electromagnetic waves within a half-value angle of the electromagnetic waves emitted from the first light source unit 32.

[0112] This also makes it possible to guide the light (electromagnetic waves) emitted from each light source to the light outlet more efficiently.

[0113] Moreover, the light-irradiating cosmetic device 1 shown in the above embodiment includes the light-emitting unit 30 described above.

[0114] In this way, it is possible to obtain a light-irradiating cosmetic device equipped with a light-emitting unit that can further enhance the cosmetic effect.

[0115] Furthermore, the light-irradiating cosmetic device 1 may include an attachment 20 including the light-emitting unit 30, and a main body 10 to which the attachment 20 is detachably attached.

[0116] In this way, the attachment having the light-emitting unit can be selected as one of the attachments having various functions, so that a more versatile light-irradiating cosmetic device can be obtained. Also, the light-emitting unit can be more easily replaced.

[0117] As described above, according to the present embodiment, it is possible to obtain a light-emitting unit and a light-irradiating cosmetic device that can further enhance the cosmetic effect.

[0118] [others] The light-emitting unit and light-irradiating cosmetic device according to the present disclosure have been described above, but the present disclosure is not limited to these descriptions, and it will be obvious to those skilled in the art that various modifications and improvements are possible.

[0119] For example, in the above embodiment, the flash lamp unit 32 and the LED unit 33 are arranged so that the emission surface 32a of the flash lamp unit 32 and the emission surface 33a of the LED unit 33 are positioned on approximately the same plane, but the present invention is not limited to this, and the flash lamp unit 32 and the LED unit 33 may be arranged at positions where interference with electromagnetic waves emitted from the light source unit of the other side is suppressed. For example, the heights of the emission surface 32a of the flash lamp unit 32 and the emission surface 33a of the LED unit 33 may be different, and the main direction of the electromagnetic waves (light) emitted from the flash lamp unit 32 and the main direction of the electromagnetic waves (light) emitted from the LED unit 33 may be different.

[0120] In addition, it is also possible to prevent interference by methods other than those based on positional relationships, for example by arranging optical systems such as mirrors and lenses to control the behavior of light and suppress interference.

[0121] In the above embodiment, the tapered light pipe 341 is used as the integrator optical system 34, but the light pipe 341 may be any light pipe capable of guiding light to the exit port 31 more efficiently than when no light pipe is provided. For example, an integrator optical system such as a linear light pipe or a flywheel array lens may be used. This also makes it possible to more efficiently guide the electromagnetic wave (light) to the exit port 31, and to make the illuminance distribution at the exit port 31 substantially uniform.

[0122] In the above embodiment, the flash lamp 32 is shown as an example of the first light source, and the LED 331 is shown as the second light source, but the first light source and the second light source may be anything that can emit electromagnetic waves, such as an LD (Laser Diode), an organic EL, etc. This also makes it possible to select a wavelength according to the desired cosmetic effect and to achieve the desired cosmetic effect and hair removal effect.

[0123] In addition, in the above embodiment, an example was given of a device equipped with an attachment 20 that is removably attached to the main body 10, but it is also possible to make it an integrated light-irradiating beauty device (a light-irradiating beauty device in which the light-emitting unit cannot be detached).

[0124] In addition, the specifications of the main body, attachments, and other details (shape, size, layout, etc.) can be changed as appropriate. [Industrial Applicability]

[0125] As described above, the light-emitting unit and light-irradiating cosmetic device disclosed herein can further enhance the cosmetic effect, and can therefore be applied to devices that irradiate light to the skin to obtain a biological effect, specifically, facial beauty devices, hair removal devices, physical therapy devices, medical devices, etc. [Explanation of symbols]

[0126] 1 Light irradiation type beauty device 10 Main body 20 Attachment 30 Light Emitting Unit 31 Exit port 32 Flash lamp unit (first light source unit) 32a Output surface 321 Flash lamp (first light source) 322 Reflector 33 LED unit (second light source) 33a Output surface 331 LED (second light source) 34 Integrator optical system (optical system) 341 Light Pipe 341a Mirror surface

Claims

1. a first light source unit having a predetermined wavelength spectrum; a second light source unit having a wavelength spectrum different from that of the first light source unit; an emission port through which at least a portion of the electromagnetic waves radiated from the first light source unit and at least a portion of the electromagnetic waves radiated from the second light source unit are emitted in a mixed state when electromagnetic waves are radiated from the first light source unit and the second light source unit, respectively; an optical system disposed between the first light source unit and the second light source unit and the light exit, for guiding at least a part of an electromagnetic wave emitted from at least one of the first light source unit and the second light source unit to the light exit; Equipped with a main direction of the electromagnetic wave radiated from the first light source unit and a main direction of the electromagnetic wave radiated from the second light source unit are substantially the same, the optical system is an integrator optical system, the integrator optical system is a light pipe surrounded by a mirror surface capable of reflecting electromagnetic waves of wavelength spectrums emitted from the first light source unit and the second light source unit, the first light source unit has a flash lamp as a first light source, a reflector for guiding, to the exit port, at least a portion of the electromagnetic wave emitted from the first light source and traveling in a direction away from the exit port, The second light source unit has a plurality of LEDs as second light sources, the second light source unit is disposed at a position not overlapping with the first light source unit when viewed from the light exit port, an exit surface of the first light source unit and an exit surface of the second light source unit are located on substantially the same plane, A plurality of the LEDs are arranged so as to surround the entire periphery of the upper surface of a flash lamp unit having the flash lamp and the reflecting mirror. Light emitting unit.

2. The mirror surface of the light pipe has a mirror surface that is inclined with respect to a central axis of the light pipe. The light-emitting unit according to claim 1 .

3. the mirror surface of the light pipe has a mirror surface extending parallel to a central axis of the light pipe; The light-emitting unit according to claim 1 .

4. The wavelength spectrum of the electromagnetic wave emitted from the LED has temperature dependence. The light-emitting unit according to any one of claims 1 to 3.

5. the first light source unit is arranged in a state where, when the optical system is not arranged, the first light source unit does not overlap with the electromagnetic wave radiated from the second light source unit in the main direction until the electromagnetic wave radiated from the second light source unit in the main direction reaches the light outlet, When the optical system is not disposed, the second light source unit is disposed in a state in which the second light source unit does not overlap with the electromagnetic wave emitted from the first light source unit in the main direction until the electromagnetic wave emitted from the first light source unit in the main direction reaches the light outlet. The light-emitting unit according to any one of claims 1 to 4.

6. the first light source unit is disposed at a position where it does not interfere with electromagnetic waves within a half-value angle of the electromagnetic waves radiated from the second light source unit, the second light source unit is disposed at a position where it does not interfere with electromagnetic waves within a half-value angle of the electromagnetic waves radiated from the first light source unit; The light-emitting unit according to any one of claims 1 to 5.

7. The light-emitting unit according to any one of claims 1 to 6 is provided. Light irradiation type beauty device.

8. an attachment including the light emitting unit; A main body to which the attachment is detachably attached; Equipped with The light-irradiating cosmetic device according to claim 7.

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