WO2018059527A1 - 一种光疗设备 - Google Patents

一种光疗设备 Download PDF

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Publication number
WO2018059527A1
WO2018059527A1 PCT/CN2017/104173 CN2017104173W WO2018059527A1 WO 2018059527 A1 WO2018059527 A1 WO 2018059527A1 CN 2017104173 W CN2017104173 W CN 2017104173W WO 2018059527 A1 WO2018059527 A1 WO 2018059527A1
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WO
WIPO (PCT)
Prior art keywords
light
light source
phototherapy
diffusion module
main surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/104173
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English (en)
French (fr)
Inventor
刘木清
易斌
徐金华
田燕
席盟
胡晓剑
陈天然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Truwin Optoelectronic Co Ltd
Fudan University
Original Assignee
Beijing Truwin Optoelectronic Co Ltd
Fudan University
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Publication date
Application filed by Beijing Truwin Optoelectronic Co Ltd, Fudan University filed Critical Beijing Truwin Optoelectronic Co Ltd
Priority to KR1020197010961A priority Critical patent/KR102295253B1/ko
Publication of WO2018059527A1 publication Critical patent/WO2018059527A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N5/0613—Apparatus adapted for a specific treatment
    • A61N5/0616—Skin treatment other than tanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0635—Radiation therapy using light characterised by the body area to be irradiated
    • A61N2005/0643—Applicators, probes irradiating specific body areas in close proximity
    • A61N2005/0645—Applicators worn by the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/065—Light sources therefor
    • A61N2005/0651—Diodes
    • A61N2005/0653—Organic light emitting diodes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/06—Radiation therapy using light
    • A61N2005/0664—Details

Definitions

  • the present invention relates to the field of medical devices, and in particular to a phototherapy device.
  • phototherapy is a treatment that uses light to improve disease conditions.
  • the phototherapy device is a device with phototherapy function that can perform phototherapy on the affected part of the human body.
  • the light source disposed in the phototherapy device can emit light, and the light is irradiated to the phototherapy area, such as human skin, to achieve effects such as scarring, wound healing, and sleep improvement.
  • the reflectance of the phototherapy area such as the skin is high, most of the light emitted by the phototherapy apparatus is reflected by the phototherapy area after the light emitted from the phototherapy apparatus reaches the phototherapy area, and the effective light energy actually absorbed by the phototherapy area is small.
  • the present invention provides a phototherapy apparatus, which effectively improves the light energy utilization rate of the phototherapy apparatus by providing a reflecting plate.
  • a phototherapy device comprising a circuit substrate, a light source and a reflector:
  • the light source is disposed on a main surface of the circuit substrate, and the circuit substrate is configured to provide a working power source for the light source;
  • the light source is configured to emit light in a direction away from the main surface
  • the reflecting plate is disposed on a side of the main surface, the reflecting surface of the reflecting plate is consistent with the orientation of the main surface, and the reflecting plate is configured to perform reflected light on the reflecting surface Reflected, the reflected light is light that is reflected by the light source and reflected toward the main surface.
  • the reflector is fixedly attached to the main surface, and the reflector is provided with a through hole at a position corresponding to the light source, and a through hole is provided for the light emitted by the light source.
  • the phototherapy device further includes a light-transmissive diffusion module, the diffusion module is disposed on a side of the main surface, and is configured to diffuse light passing through the diffusion module, so that An exit angle when the light emitted by the light source is emitted from the diffusion module is greater than an incident angle when the light emitted by the light source is incident on the diffusion module.
  • a light-transmissive diffusion module the diffusion module is disposed on a side of the main surface, and is configured to diffuse light passing through the diffusion module, so that An exit angle when the light emitted by the light source is emitted from the diffusion module is greater than an incident angle when the light emitted by the light source is incident on the diffusion module.
  • a portion of the surface of the diffusion module that is on the optical path of the light source emitted by the light source is provided with a protrusion a structure through which the light passing through the diffusion module is diffused.
  • the protruding structure is disposed on a surface of the diffusion module facing one side of the light source.
  • the protruding structure is disposed at a periphery of the light source.
  • the protruding structure is disposed on a surface of the diffusion module facing away from a side of the light source.
  • the reflector is fixedly attached to a side of the diffusion module facing the light source.
  • the diffusion module is fixedly connected to the circuit substrate by a fixing device.
  • the reflective surface of the reflector is fixedly attached to one surface of the diffusion module facing the light source, and the other surface of the reflector is fixedly attached to the main surface.
  • the circuit substrate is a flexible circuit substrate.
  • the phototherapy device is a wearable phototherapy device.
  • the light source comprises at least one sub-light source, and the sub-light source comprises an LED module.
  • the phototherapy device comprises a circuit substrate, a light source and a reflector.
  • the main surface of the circuit substrate is provided with a light source, and the circuit substrate is used to provide a working power source for the light source, so that the light source can be away from the main surface. Shoot out the light.
  • the reflecting plate is disposed on a side of the main surface, and the reflecting surface of the reflecting plate is aligned with the orientation of the main surface, so that the reflecting plate can reflect the reflected light that is incident on the reflecting surface, thereby using the phototherapy device
  • a light reflected by the light source is reflected by the phototherapy area
  • a part of the light reflected by the phototherapy device can be reflected again to the phototherapy area, so that the light is re-emitted to the phototherapy area, thereby effectively improving the light energy utilization rate of the phototherapy device.
  • Improve the user experience is disposed on a side of the main surface, and the reflecting surface of the reflecting plate is aligned with the orientation of the main surface, so that the reflecting plate can reflect the reflected light that is incident on the reflecting surface, thereby using the phototherapy device
  • FIG. 1 is a structural diagram of a device of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 2 is a structural diagram of a device for providing a phototherapy device with a diffusion module according to an embodiment of the present invention
  • 3a is a cross-sectional view showing a connection relationship between a circuit substrate and a reflector in a phototherapy apparatus according to an embodiment of the present invention
  • 3b is a schematic diagram showing a connection relationship between a circuit substrate and a reflector in a phototherapy device according to an embodiment of the present invention
  • FIG. 4a is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 4b is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • Figure 5a is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 5b is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • Figure 5c is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an optical path of a diffusion module for diffusing light in a phototherapy device according to an embodiment of the present invention
  • FIG. 7a is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 7b is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 7c is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • 7d is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • FIG. 7e is a cross-sectional view of a phototherapy apparatus according to an embodiment of the present invention.
  • the human skin Since the human skin has a high reflectance, the light emitted by the phototherapy device will be reflected back in a large amount after it finally reaches the skin, and the reverse reflection causes the light energy to be largely depleted, resulting in the effective light energy actually absorbed by the patient receiving the phototherapy. Far less than the outgoing light energy of phototherapy equipment.
  • an embodiment of the present invention provides a phototherapy apparatus including a circuit substrate, a light source, and a reflective plate.
  • the main surface of the circuit substrate is provided with a light source, and the circuit substrate is used to provide a working power source for the light source, so that the light source can be Light is emitted away from the direction of the main surface.
  • the reflecting plate is disposed on a side of the main surface, and the reflecting surface of the reflecting plate is aligned with the orientation of the main surface, so that the reflecting plate can reflect the reflected light that is incident on the reflecting surface, thereby using the phototherapy device
  • part of the light reflected by the light source is reflected back to the skin by the reflector provided in the phototherapy device, it is again reflected to the skin, thereby effectively improving the light energy utilization rate of the phototherapy device, resulting in a good
  • the treatment effect improves the user experience.
  • the thickness of the current phototherapy device is getting thinner and thinner, so that the light mixing height of the light emitted by the light source in the phototherapy device is limited, and it is difficult to form a uniform light-emitting surface in the phototherapy area such as the skin surface, thereby easily forming a glare on the skin. Spot. This is especially true when phototherapy devices use LED arrays as light sources.
  • the skin absorbed by the concentrated spot absorbs too much light energy, while the skin that is not exposed to the concentrated spot absorbs too little light energy.
  • a glare of light can cause problems for patients undergoing phototherapy, and it can burn the skin, causing damage to the light that was originally used for treatment, such as the formation of a dot pattern on the skin. It can be seen that the uneven illuminating surface reduces the user experience.
  • embodiments of the present invention provide a way to provide a diffuse module that is transparent to light in a phototherapy device.
  • the diffusion module is disposed on a side of the main surface, so that the light emitted from the light source passes through the diffusion module before reaching the phototherapy region, and the diffusion module is a light-transmissible material, and the diffusion module can
  • the light passing through itself is diffused such that an exit angle when the light emitted by the light source exits the diffusion module is greater than an incident angle of the light emitted by the light source into the diffusion module.
  • the diffusion of the light emitted by the light source by the diffusion module makes the light emitting surface of the light source more uniform, and it is less likely to form a concentrated spot in the phototherapy area, thereby improving the user experience.
  • FIG. 1 is a structural diagram of a device for a phototherapy apparatus according to an embodiment of the present invention.
  • the phototherapy apparatus includes a circuit substrate 10, a light source 20, and a reflector 30.
  • the distance between the reflection plate 30 and the circuit substrate 10 in FIG. 1 is relatively long, and the dotted line frame shown in FIG. 1 is for the purpose of clearly showing the light source 10, All of the black dots can constitute the light source 10.
  • the dashed arrow 200 shown in FIG. 1 can be used to show the main exit direction of the light emitted by one of the light-emitting points in the light source 10.
  • a light source 20 is disposed on the main surface 11 of the circuit substrate 10, and the circuit substrate 10 is used to supply a working power source to the light source 20.
  • the light source 20 is for emitting light in a direction away from the main surface 11.
  • the light source 20 may include one sub-light source 21 (also referred to as a light emitting module), and may also include a plurality of sub-light sources 21, and the plurality of sub-light sources 21 may also form an array structure.
  • the sub-light source 21 can be an LED module.
  • the LED module emits light with a narrow spectrum half-width, a near-wavelength coverage of all visible light and infrared bands, and a spectral and easy-to-adjust control. A special LED spectrum or spectral combination that has been proven to be effective by medical research is accurate.
  • the parameters such as light intensity and irradiation time are adjusted to achieve a targeted therapeutic effect on a specific disease, so that the LED module can be used to achieve the effect of phototherapy using a specific effective spectral combination.
  • the LED module is compact and arranged as an LED array by utilizing the advantages of safe cold light, compact structure and easy flexibility.
  • the light source 20 is a light source for emitting light having a phototherapy effect in the phototherapy apparatus.
  • the LED modules may be arranged in a certain array.
  • the array form includes, but is not limited to, a matrix form and a concentric ring form, and is fixed to the main surface 11 of the flexible circuit substrate 10 by soldering or the like.
  • the LED module can also be covered with a package lens. Shown in Figure 1 is an alternative light source 20 formed by a 3 x 3 array of LED modules.
  • the circuit substrate 10 provided with the light source 20 may be a rigid structure having a fixed shape or a flexible structure that can be changed in shape.
  • the flexible circuit substrate 10 can realize a large-area soft skin phototherapy device by a certain degree of bending. That is to say, the main surface 11 can be a flat surface, a curved surface, or other possible shapes.
  • the phototherapy apparatus provided by the embodiments of the present invention can be widely applied to portable, wearable optical therapy.
  • the phototherapy device can be wearable to achieve more convenient phototherapy conditions.
  • the light emitted by the light source 20 is irradiated onto the phototherapy area, which can be understood as the area where the light emitted by the phototherapy apparatus is optically treated.
  • the phototherapy area may specifically be human skin or the like.
  • the light emitted by the phototherapy device will be reflected back in a large amount after reaching the skin.
  • the light energy is largely depleted, and the effective light energy actually absorbed by the patient receiving the phototherapy is far. Far less than the light energy of the phototherapy equipment, the therapeutic effect of the product will be greatly reduced.
  • a reflector 30 is provided in the phototherapy apparatus in the embodiment of the present invention.
  • the reflecting plate 30 is disposed on the side facing the main surface 11, the reflecting surface 31 of the reflecting plate 30 is aligned with the direction of the main surface 11, and the reflecting plate 30 is for reflecting the reflected light incident on the reflecting surface 31, which is reflected
  • the light is the light that is reflected by the light source 20 and reflected toward the main surface 11.
  • the reflecting surface 31 of the reflecting plate 30 may be a reflective layer having a high reflectivity, for example, a reflecting function may be realized by coating a metal, an all-dielectric, or a metal electrolytic medium reflective film on the reflecting surface 31.
  • the present invention does not limit how the reflector 30 is constructed, and does not affect the normal illumination of the light source 20 to the phototherapy region.
  • the reflecting plate 30 may be a unitary structure or may be composed of a plurality of sub-reflecting plates.
  • the reflecting plate is disposed on a side of the main surface, and the reflecting surface of the reflecting plate is aligned with the orientation of the main surface, so that the reflecting plate can be reflected toward the reflecting surface.
  • the light is reflected, whereby when the phototherapy device is used, part of the light reflected by the light source reflected by the skin can be reflected again to the skin by the reflector provided in the phototherapy device, and is re-shot to the skin, thereby effectively improving the light.
  • the light energy utilization rate of phototherapy equipment leads to a good therapeutic effect and improves the user experience.
  • the light mixing height of the light emitted by the light source in the phototherapy device is limited, and it is difficult to form a uniform light-emitting surface in the phototherapy region, such as the skin surface, especially when the phototherapy device uses the LED array as a light source. Especially when. An uneven illuminating surface will reduce the user experience.
  • a light-transmissive diffusion module is provided in the embodiment of the present invention, by placing the diffusion module in In the above phototherapy device, the uniformity of the light-emitting surface of the phototherapy device is improved.
  • the phototherapy device further comprises a light transmissive diffusion module 40.
  • the diffusion module 40 is disposed on a side of the main surface 11 for diffusing the light passing through the diffusion module 40, so that the exit angle when the light emitted by the light source 20 is emitted from the diffusion module 40 is greater than The incident angle when the light source 20 emits light into the diffusion module 40.
  • the bulk material of the diffusion module 40 can be made of a high transmission low absorption material, including but not limited to PMMA (polymethyl methacrylate) material, to reduce the absorption of light passing through it many times, so Effectively improve the utilization of light energy.
  • the light emitted from the light source passes through the diffusion module before reaching the phototherapy region, and the diffusion module is a light-transmissive material, and the diffusion module can diffuse light passing through itself, so that the light emitted from the light source is The exit angle when the diffusion module is emitted is greater than the incident angle of the light emitted by the light source into the diffusion module.
  • the diffusion of the light emitted by the light source by the diffusion module makes the light emitting surface of the light source more uniform, and it is less likely to form a concentrated spot in the phototherapy area, thereby improving the user experience.
  • the phototherapy device provided with the reflector and the diffusion module can achieve the effect of improving the utilization of light energy, and can also make the light-emitting surface of the light source more uniform, thereby further improving the user experience.
  • Embodiments of the present invention provide various specific ways of providing a reflector in a phototherapy device.
  • the reflector 30 can be fixedly attached to the main surface 11.
  • the reflector 30 is provided with a through hole at a position corresponding to the light source 20, and the through hole is provided for the light emitted by the light source 20.
  • the reflector 30 is attached to the main surface 11.
  • the specific manner of bonding is not limited in the present invention, and for example, it may be bonded.
  • the reflecting surface of the reflecting plate can be lower or closer to the light emitting surface of the light emitting module 21 in the light source 20, thereby reducing the influence of the normal light emission of the light source 20.
  • the number of the through holes can be the same as the number of the sub-light sources 21 of the light source 20. For example, for a 3 ⁇ 3 array of light sources, nine through holes may be disposed on the reflector, that is, a through hole is disposed on the reflector corresponding to a position of the sub-light source, as shown in FIG. 3b.
  • a larger through hole can also be provided for the 9 sub-light sources on the reflector.
  • the present invention does not limit the shape and number of through holes provided in the reflecting plate 30 as long as it does not affect the normal light source 20 from emitting light to the phototherapy area.
  • the size of the circuit substrate is slightly larger than the size of the reflecting plate for the sake of clarity.
  • the diffusion module 40 may be disposed in the phototherapy device, according to the connection relationship between the diffusion module 40 and the circuit substrate 10, a manner of disposing the reflection plate 30, that is, between the reflection surface of the reflection plate 30 and the diffusion module 40 is further included. There is no connection.
  • a part of one surface of the diffusion module 40 facing the circuit substrate 10 is connected to the circuit substrate 10.
  • the diffusion module 40 is fixedly connected to the circuit substrate 10 by the fixing device 50.
  • the embodiment of the present invention further provides a plurality of specific manners of disposing the reflection plate 30 in the phototherapy apparatus.
  • the reflector 30 is fixedly attached to one side of the diffusion module 40 facing the light source.
  • the manner of fixing the reflector 30 to the side of the diffusion module 40 facing the light source can be further divided into two types of installation.
  • the reflector 30 has a connection relationship with the circuit board 10. As shown in FIG. 5a, the reflecting surface 31 of the reflecting plate 30 and the diffusing module 40 are fixedly attached to one surface of the light source 20, and the other surface of the reflecting plate 30 is fixedly attached to the main surface 11.
  • the reflector 30 In the second arrangement, there is no connection between the reflector 30 and the circuit substrate 10.
  • the reflecting surface 31 of the reflecting plate 30 is fixedly attached to one surface of the diffusing module 40 facing the light source 20, and the other surface of the reflecting plate 30 is not connected to the main surface 11.
  • This arrangement can also be as shown in FIG. 5c, and the diffusion module 40 is fixedly connected to the circuit substrate 10 by the fixing device 50. That is to say, there is no direct contact between the diffusion module 40 and the circuit substrate 10, but the diffusion module 40 is fixed to the circuit substrate 10 by the fixing device 50.
  • corresponding apertures may be provided for the light source on the reflector as needed so as not to affect the normal illumination of the source 20 to the phototherapy region.
  • a convex structure 41 may be disposed on the diffusion module 40.
  • the protrusion structure 41 may be formed on the diffusion module 40 by dot printing or laser dot method, and the shape of the protrusion structure 41 may be a pyramid shape or other shapes.
  • the size of each of the raised structures 41 may be the same or different.
  • the present invention does not limit the number of raised structures 41 provided on the diffusion module 40.
  • the convex structure 41 may be disposed on a portion of the surface of the diffusion module 40 on the optical path on which the light source 20 emits light, and the convex structure 41 may be uniformly disposed in the above portion or may be unevenly disposed on the portion.
  • FIG. 6 is a schematic illustration of the diffusion of the optical path provided by the raised structure 41 on the surface of the diffusion module 40 facing away from the side of the light source 20. It can be seen that an incident angle ⁇ of the light emitted from the light source 20 (the optical path can be shown by the dotted arrow in FIG.
  • Embodiments of the present invention provide various ways of providing the raised structure 41, including at least three arrangements.
  • the first arrangement can provide the raised structure 41 on the surface of the diffusion module 40 that faces one side of the light source 20.
  • a plurality of different setting forms can be included.
  • the raised structure 41 can be disposed directly in front of the optical path of the light source 20, as shown in Figure 7a.
  • 7a shows a case where the reflecting plate 30 is disposed on the circuit substrate 10, and the reflecting plate 30 may be disposed on the diffusion module 40.
  • the protruding structure 41 can also be disposed on the periphery of the light source 20, as shown in FIG. 7b.
  • the protruding structure 41 can be disposed on the surface of the diffusion module 40 facing away from the side of the light source 20, as shown in FIG. 7c.
  • 7c shows the case where the reflecting plate 30 is disposed on the circuit substrate 10, and the reflecting plate 30 may be disposed on the diffusion module 40.
  • a third arrangement can provide the raised structure 41 on the surface of the diffusion module 40 facing away from the side of the light source 20 and on the side facing the light source 20, as shown in Figure 7d or Figure 7e.
  • 7e shows the case where the reflecting plate 30 is disposed on the circuit substrate 10, and the reflecting plate 30 may be disposed on the diffusion module 40.
  • the diffusion module 40 can also be consolidated with the circuit substrate 10 by the connection device 50.

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Abstract

本发明实施例公开了一种光疗设备，光疗设备包括电路基板、光源和反射板，电路基板的主面上设置了光源，电路基板用于为光源提供工作电源，使得光源可以向远离所述主面的方向射出光线。反射板设置在该主面所朝向的一侧，反射板的反射面与该主面的朝向一致，使得反射板可以对射向反射面的被反射光线进行反射，由此，当使用该光疗设备时，光源射出的光线被光疗区域反射回来的部分光线可以被该光疗设备中设置的反射板再次向光疗区域反射，使得重新射向光疗区域，从而有效提高了该光疗设备的光能利用率，提高了用户体验。

Description

一种光疗设备
本发明要求于2016年9月30日提交中国专利局、申请号为201610875650.X、发明名称为“一种光疗设备”的中国专利申请的优先权，其全部内容通过引用结合在本发明中。
技术领域
本发明涉及医疗器械领域，特别是涉及一种光疗设备。
背景技术
在医疗领域，光疗是一种采用光照来改善疾病状况的治疗方式。光疗设备就是一种具有光疗功能的设备，可以对人体患处进行光疗。具体的，光疗设备中设置的光源可以射出光线，通过光线照射光疗区域例如人体皮肤，以达到疤痕淡化、伤口愈合、睡眠改善等效果。
但是由于光疗区域例如皮肤的反射率较高，光疗设备所射出的光线到达光疗区域后，其中大部分会被光疗区域所反射掉，而光疗区域实际吸收的有效光能很少。
可见，目前光疗设备的光能利用率低，用户体验不高。
发明内容
为了解决上述技术问题，本发明提供了一种光疗设备，通过设置的反射板有效提高了该光疗设备的光能利用率。
本发明实施例公开了如下技术方案：
一种光疗设备，所述光疗设备包括电路基板、光源和反射板：
所述电路基板的主面上设置了所述光源，所述电路基板用于为所述光源提供工作电源；
所述光源用于向远离所述主面的方向射出光线；
所述反射板设置在所述主面所朝向的一侧，所述反射板的反射面与所述主面的朝向一致，所述反射板用于对射向所述反射面的被反射光线进行反射，所述被反射光线为所述光源所射出光线中被反射向所述主面的光线。
可选的，所述反射板固定贴合在所述主面上，所述反射板在所述光源所对应位置上设置有通孔，设置的通孔用于通过所述光源射出的光线。
可选的，所述光疗设备还包括光线可穿透的扩散模块，所述扩散模块设置在所述主面所朝向的一侧，用于对穿过所述扩散模块的光线进行扩散，使得当所述光源所射出光线从所述扩散模块射出时的出射角大于所述光源所射出光线射入所述扩散模块时的入射角。
可选的，所述扩散模块表面中处于所述光源射出光线的光路上的部分设置有凸起 结构，通过所述凸起结构对穿过所述扩散模块的光线进行扩散。
可选的，所述凸起结构设置在所述扩散模块朝向所述光源一面的表面上。
可选的，所述凸起结构罩设在所述光源的外围。
可选的，所述凸起结构设置在所述扩散模块背向所述光源一面的表面上。
可选的，所述反射板固定贴合在所述扩散模块朝向所述光源的一面上。
可选的，所述扩散模块通过固定装置与所述电路基板固定连接。
可选的，所述反射板的反射面与所述扩散模块朝向所述光源的一面固定贴合，所述反射板的另一面与所述主面固定贴合。
可选的，所述电路基板为柔性的电路基板。
可选的，所述光疗设备为可穿戴式光疗设备。
可选的，所述光源包括至少一个子光源，所述子光源包括LED模块。
由上述技术方案可以看出，光疗设备包括电路基板、光源和反射板，电路基板的主面上设置了光源，电路基板用于为光源提供工作电源，使得光源可以向远离所述主面的方向射出光线。反射板设置在该主面所朝向的一侧，反射板的反射面与该主面的朝向一致，使得反射板可以对射向反射面的被反射光线进行反射，由此，当使用该光疗设备时，光源射出的光线被光疗区域反射回来的部分光线可以被该光疗设备中设置的反射板再次向光疗区域反射，使得重新射向光疗区域，从而有效提高了该光疗设备的光能利用率，提高了用户体验。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种光疗设备的装置结构图；
图2为本发明实施例提供的一种设置了扩散模块的光疗设备的装置结构图；
图3a为本发明实施例提供的一种光疗设备中电路基板与反射板连接关系的截面图；
图3b为本发明实施例提供的一种光疗设备中电路基板与反射板连接关系的示意图；
图4a为本发明实施例提供的一种光疗设备的截面图；
图4b为本发明实施例提供的一种光疗设备的截面图；
图5a为本发明实施例提供的一种光疗设备的截面图；
图5b为本发明实施例提供的一种光疗设备的截面图；
图5c为本发明实施例提供的一种光疗设备的截面图；
图6为本发明实施例提供的一种光疗设备中扩散模块对光线进行扩散的光路示意图；
图7a为本发明实施例提供的一种光疗设备的截面图；
图7b为本发明实施例提供的一种光疗设备的截面图；
图7c为本发明实施例提供的一种光疗设备的截面图；
图7d为本发明实施例提供的一种光疗设备的截面图；
图7e为本发明实施例提供的一种光疗设备的截面图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
由于人体皮肤反射率较高，因此光疗设备的出射光在最终到达皮肤后，将被其大量地反向反射，反向反射导致光能被大量损耗，造成接受光疗的患者实际吸收的有效光能远远小于光疗设备的出射光能。
大量研究表明，人体接收的治疗光的功率密度大于一定的阈值时才会产生显著的治疗效果。若设备的光能利用率较低，则产品的治疗效果将会大打折扣。而目前传统光疗设备未能有效解决光能利用率低的问题。
为此，本发明实施例提供了一种光疗设备，该光疗设备包括电路基板、光源和反射板，电路基板的主面上设置了光源，电路基板用于为光源提供工作电源，使得光源可以向远离所述主面的方向射出光线。反射板设置在该主面所朝向的一侧，反射板的反射面与该主面的朝向一致，使得反射板可以对射向反射面的被反射光线进行反射，由此，当使用该光疗设备时，光源射出的光线被皮肤反射回来的部分光线可以被该光疗设备中设置的反射板再次向皮肤反射，重新射向皮肤，从而有效提高了该光疗设备的光能利用率，导致了好的治疗效果，提高了用户体验。
而且，目前的光疗设备的厚度越来越薄，使得光疗设备中光源所射出光线的混光高度受限，难以在光疗区域例如皮肤表面形成均匀的出光面，从而容易在皮肤上形成汇聚的刺眼光斑。尤其是当光疗设备以LED阵列作为光源时尤甚。
汇聚光斑照射下的皮肤所吸收的光能过多，而未处于汇聚光斑照射下的皮肤所吸收的光能过少。刺眼的光斑会对进行光疗的患者带来困扰，而且有可能灼伤皮肤，使得原本用于治疗的光线反而带来伤害，如在皮肤上照射形成点阵的斑纹。可见，不均匀的出光面降低了用户体验。
为此，本发明实施例提供了在光疗设备中设置光线可穿透的扩散模块的方式。其中扩散模块设置在所述主面所朝向的一侧，由此，从光源射出的光线在到达光疗区域之前会先通过所述扩散模块，扩散模块为光线可穿透的材质，该扩散模块可以对穿过自身的光线进行扩散，使得当所述光源射出的光线从所述扩散模块射出时的出射角大于所述光源射出的光线射入所述扩散模块的入射角。通过扩散模块对光源射出光线的扩散，使得光源射出光线的出光面更为均匀，将较不容易在光疗区域形成汇聚的光斑，提高了用户体验。
图1为本发明实施例提供的一种光疗设备的装置结构图，该光疗设备包括电路基板10、光源20和反射板30。需要说明的是，为了便于清楚展示光疗设备中的各个组成部分，图1中反射板30与电路基板10之间的距离较远，图1所示的虚线框是为了便于明确示出光源10，其中全部黑色圆点可以组成光源10。图1中所示的虚线箭头200可以用于示出光源10中一个发光点所射出光线的主要射出方向。
电路基板10的主面11上设置了光源20，电路基板10用于为光源20提供工作电源。光源20用于向远离主面11的方向射出光线。
举例说明，光源20可以包括一个子光源21(或者称为发光模块)，也可以包括多个子光源21，多个子光源21也可以形成阵列的结构。其中，子光源21可以是LED模块。LED模块可发出的光线的光谱半宽较窄、波长几近覆盖全可见光及红外波段、与光谱且易于调节控制的优点，采用经医学研究证明有明显疗效的特殊LED光谱或光谱组合，并精准调节其出光强度、照射时间等参数，以达到对特定疾病的针对性治疗效果，故利用LED模块可以使用特定的有效光谱组合实现光疗的作用。同时，利用LED模块安全冷光、结构小巧、易于灵活拼凑的优点，将多个单一的LED模块紧凑排布为LED阵列。在本发明实施例中，光源20为光疗设备中用于射出具有光疗效果的光线的光源。
在光源20包括至少一个LED模块的情况下，LED模块可以以一定的阵列形式排布， 阵列形式包含但不限于矩阵形式与同心圆环形式，并通过焊接等方式固接在柔性的电路基板10的主面11之上。为防止LED模块的磨损，LED模块外还可以罩设有封装透镜。在图1中所示的是一种可选的3×3的LED模块阵列形成的光源20。
设置有光源20的电路基板10可以是具有固定形状的硬性结构，也可以是可改变形状的柔性结构。柔性的电路基板10通过一定程度的弯曲，可以实现较大面积的软体亲肤光疗设备。也就是说，主面11可以是一个平面，也可以是一个曲面，也可以是其他可能的形状。
本发明实施例提供的光疗设备可广泛应用于便携式、可穿戴式的光学治疗。该光疗设备可以是可穿戴式的，以达到更便利的光疗条件。
光源20射出的光线会照射到光疗区域上，光疗区域可以理解为通过光疗设备射出的光线进行光学治疗的区域。光疗区域具体可以是人体皮肤等。不过由于人体皮肤反射率较高，因此光疗设备射出的光线在到达皮肤后，将被其大量地反向反射，该过程中光能被大量损耗，造成接受光疗的患者实际吸收的有效光能远远小于光疗设备的出射光能，产品的治疗效果将会大打折扣。
为此，本发明实施例中在光疗设备中设置了反射板30。反射板30设置在主面11所朝向的一侧，反射板30的反射面31与主面11的朝向一致，反射板30用于对射向反射面31的被反射光线进行反射，该被反射光线为光源20所射出光线中被反射向主面11的光线。
反射板30的反射面31可以是一层具有高反射率的反射层，例如可以在反射面31上通过涂覆金属、全电介质、或金属电解介质反射薄膜来实现反射功能。本发明并不限定反射板30如何构成，不会影响光源20正常向光疗区域发光即可。例如反射板30可以是一个整体结构，也可以由多个子反射板构成。
可见，通过在光疗设备中设置反射板，该反射板设置在该主面所朝向的一侧，反射板的反射面与该主面的朝向一致，使得反射板可以对射向反射面的被反射光线进行反射，由此，当使用该光疗设备时，光源射出的光线被皮肤反射回来的部分光线可以被该光疗设备中设置的反射板再次向皮肤反射，重新射向皮肤，从而有效提高了该光疗设备的光能利用率，导致了好的治疗效果，提高了用户体验。
由于目前的光疗设备的厚度越来越薄，使得光疗设备中光源所射出光线的混光高度受限，难以在光疗区域例如皮肤表面形成均匀的出光面，尤其是当光疗设备以LED阵列作为光源时尤甚。而不均匀的出光面会降低用户体验。
为此，本发明实施例中提供了一种光线可穿透的扩散模块，通过将该扩散模块设置在 上述光疗设备中，以改善光疗设备出光面的均匀性。
可选的，该光疗设备还包括光线可穿透的扩散模块40。如图2所示，扩散模块40设置在主面11所朝向的一侧，用于对穿过扩散模块40的光线进行扩散，使得当光源20所射出光线从扩散模块40射出时的出射角大于光源20所射出光线射入扩散模块40时的入射角。
举例说明，扩散模块40的体材料可以采用高透过低吸收材质，包含但不限于PMMA(聚甲基丙烯酸甲酯)材料，以减少对在其中多次穿过的光线的吸收，如此则可有效提高光能利用率。从光源射出的光线在到达光疗区域之前会先通过所述扩散模块，扩散模块为光线可穿透的材质，该扩散模块可以对穿过自身的光线进行扩散，使得当所述光源射出的光线从所述扩散模块射出时的出射角大于所述光源射出的光线射入所述扩散模块的入射角。通过扩散模块对光源射出光线的扩散，使得光源射出光线的出光面更为均匀，将较不容易在光疗区域形成汇聚的光斑，提高了用户体验。
而且，同时设置有反射板和扩散模块的光疗设备既可以实现提高光能利用率的效果，也可以使得光源射出光线的出光面更为均匀，从而进一步提高了用户体验。
接下来说明如何将反射板30设置在光疗设备中。
本发明实施例提供了多种在光疗设备中设置反射板的具体方式。例如可以将反射板30固定贴合在主面11上，反射板30在光源20所对应位置上设置有通孔，设置的通孔用于通过光源20射出的光线。可以如图3a所示，反射板30贴合在主面11上，具体的贴合方式本发明并不限定，例如可以通过粘接的方式。
通过将反射板30贴合在主面11上，使得反射板的反射面可以低于或接近光源20中发光模块21的出光面，降低对光源20正常发光的影响。通过在反射板30上设置通孔，可以不会阻挡光源20所发射出的光线，不会影响光源20的正常工作，所设置通孔的数量可以与光源20所具有子光源21的数量一致，也可以不一致，例如针对一个3×3阵列的光源，反射板上可以设置9个通孔，即针对一个子光源所在位置对应的在反射板上设置一个通孔，具体可以如图3b所示。反射板上也可以针对9个子光源就设置一个较大的通孔。本发明并不限定反射板30上设置的通孔形状和数量，只要不会影响光源20正常向光疗区域发光即可。在图3b中，为了便于清楚展示，电路基板的尺寸略大于反射板的尺寸。
由于光疗设备中可能设置有扩散模块40，故根据扩散模块40与电路基板10之间的连接关系，进一步包括一种设置反射板30的方式，即反射板30的反射面与扩散模块40之间 没有连接关系。
如图4a所示的，扩散模块40朝向电路基板10的一面中有一部分与电路基板10相连的情况。
或者如图4b所示，扩散模块40通过固定装置50与电路基板10固定连接的情况。
在光疗设备中设置了扩散模块40的前提下，本发明实施例还提供了多种在光疗设备中设置反射板30的具体方式。例如将反射板30固定贴合在扩散模块40朝向所述光源的一面上。针对反射板与电路基板之间的连接关系，这种将反射板30固定贴合在扩散模块40朝向所述光源的一面上的设置方式可以进一步的分为两种设置方式。
第一种设置方式中，反射板30与电路基板10之间具有连接关系。可以如图5a所示，反射板30的反射面31与扩散模块40朝向光源20的一面固定贴合，反射板30的另一面与主面11固定贴合。
第二种设置方式中，反射板30与电路基板10之间没有连接关系。反射板30的反射面31与扩散模块40朝向光源20的一面固定贴合，反射板30的另一面与主面11之间没有连接关系。
这种设置方式可以如图5b所示，扩散模块40朝向电路基板10的一面中有一部分与电路基板10相连，扩散模块40朝向电路基板10的一面中的剩余部分可以用于贴合反射板30。
这种设置方式还可以如图5c所示，扩散模块40通过固定装置50与电路基板10固定连接。也就是说，扩散模块40与电路基板10之间没有直接接触，而是通过固定装置50实现了将扩散模块40与电路基板10固接。
不论以何种方式在光疗设备中设置反射板20，均可以根据需要在反射板上为光源设置对应的通孔，以便不影响光源20正常向光疗区域发光。
为了进一步提高扩散模块40对光线的扩散效果，可以在扩散模块40上设置凸起结构41。可以通过网点印刷或激光打点法等方式在扩散模块40上形成凸起结构41，凸起结构41的形状可以是金字塔形，也可以是其他形状。各个凸起结构41的尺寸可以相同，也可以不同。本发明并不限定扩散模块40上所设置凸起结构41的数量。凸起结构41可以设置在扩散模块40表面中处于光源20射出光线的光路上的部分，可以将凸起结构41均匀的设置在上述部分，也可以不均匀的设置在上述部分。由于凸起部分41设置在光源20所射出 光线的光路上，故可以通过凸起结构41对穿过扩散模块40的光线进行扩散。进一步提高对光源20所射出光线的扩散，从而提高光源20所射出光线在光路区域上出光面的均匀性。凸起结构41的扩散效果可以参见图6，图6所示的是凸起结构41设置在扩散模块40背向光源20一面的表面上的光路扩散情况的示意。可见，一条从光源20射出的光线(光路可以参见图6中的虚线箭头所示)射入扩散模块40的入射角α明显小于这条光线离开一个凸起结构41时的出射角β，从而这个凸起结构通过扩散作用增大了这条光线的射出角度，降低了大量光线汇聚在一个区域的可能。针对扩散模块40的光路分析也可以参见图6，不再赘述。
接下来进一步说明凸起结构41在扩散模块40上的设置位置。本发明实施例提供了多种设置凸起结构41的方式，其中包括至少三种设置方式。
第一种设置方式可以将凸起结构41设置在扩散模块40朝向光源20一面的表面上。针对该第一种设置方式，可以包括多个不同的设置形式。
例如可以将凸起结构41设置在光源20光路方向的正前方，具体可以如图7a所示。图7a所展示的是反射板30设置在电路基板10上的情况，反射板30也可以设置在扩散模块40上。
例如还可以将凸起结构41罩设在光源20的外围，具体可以如图7b所示。
第二种设置方式可以将凸起结构41设置在扩散模块40背向光源20一面的表面上，具体可以如图7c所示。图7c所展示的是反射板30设置在电路基板10上的情况，反射板30也可以设置在扩散模块40上。
第三种设置方式可以将凸起结构41设置在扩散模块40背向光源20一面的表面上和朝向光源20的一面上，具体可以如图7d或图7e所示。图7e所展示的是反射板30设置在电路基板10上的情况，反射板30也可以设置在扩散模块40上。
在上述图7a至图7e中，扩散模块40还可以通过连接装置50与电路基板10进行固结。
需要说明的是，本说明书中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。以上所描述的设备及系统实施例仅仅是示意性的，其中作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (10)

  1. 一种光疗设备，其特征在于，所述光疗设备包括电路基板、光源和反射板：
    所述电路基板的主面上设置了所述光源，所述电路基板用于为所述光源提供工作电源；
    所述光源用于向远离所述主面的方向射出光线；
    所述反射板设置在所述主面所朝向的一侧，所述反射板的反射面与所述主面的朝向一致，所述反射板用于对射向所述反射面的被反射光线进行反射，所述被反射光线为所述光源所射出光线中被反射向所述主面的光线。
  2. 根据权利要求1所述的光疗设备，其特征在于，所述反射板固定贴合在所述主面上，所述反射板在所述光源所对应位置上设置有通孔，设置的通孔用于通过所述光源射出的光线。
  3. 根据权利要求1所述的光疗设备，其特征在于，所述光疗设备还包括光线可穿透的扩散模块，所述扩散模块设置在所述主面所朝向的一侧，用于对穿过所述扩散模块的光线进行扩散，使得当所述光源所射出光线从所述扩散模块射出时的出射角大于所述光源所射出光线射入所述扩散模块时的入射角。
  4. 根据权利要求3所述的光疗设备，其特征在于，所述扩散模块表面中处于所述光源射出光线的光路上的部分设置有凸起结构，通过所述凸起结构对穿过所述扩散模块的光线进行扩散。
  5. 根据权利要求4所述的光疗设备，其特征在于，所述凸起结构设置在所述扩散模块朝向所述光源一面的表面上。
  6. 根据权利要求5所述的光疗设备，其特征在于，所述凸起结构罩设在所述光源的外围。
  7. 根据权利要求4所述的光疗设备，其特征在于，所述凸起结构设置在所述扩散模块背向所述光源一面的表面上。
  8. 根据权利要求3所述的光疗设备，其特征在于，所述反射板固定贴合在所述扩散模块朝向所述光源的一面上。
  9. 根据权利要求8所述的光疗设备，其特征在于，所述扩散模块通过固定装置与所述电路基板固定连接。
  10. 根据权利要求3所述的光疗设备，其特征在于，所述反射板的反射面与所述扩散模块朝向所述光源的一面固定贴合，所述反射板的另一面与所述主面固定贴合。
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