WO2021235865A1 - Bande led étirable dans le proche infra-rouge pour soin de santé intelligent - Google Patents

Bande led étirable dans le proche infra-rouge pour soin de santé intelligent Download PDF

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Publication number
WO2021235865A1
WO2021235865A1 PCT/KR2021/006286 KR2021006286W WO2021235865A1 WO 2021235865 A1 WO2021235865 A1 WO 2021235865A1 KR 2021006286 W KR2021006286 W KR 2021006286W WO 2021235865 A1 WO2021235865 A1 WO 2021235865A1
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Prior art keywords
layer
stretchable
stretched
infrared
health care
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PCT/KR2021/006286
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English (en)
Korean (ko)
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김인미
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(주)케이디엔에이
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Publication of WO2021235865A1 publication Critical patent/WO2021235865A1/fr

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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
    • A61N5/0618—Psychological treatment
    • 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
    • A61N5/0622—Optical stimulation for exciting neural tissue
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/22—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape
    • F21S4/24—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports flexible or deformable, e.g. into a curved shape of ribbon or tape form, e.g. LED tapes
    • 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
    • A61N2005/0651—Diodes
    • A61N2005/0652—Arrays of 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
    • A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
    • A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • An embodiment of the present invention relates to a stretchable near-infrared LED band for smart health care.
  • the solution is to reduce the weight and spread of the near-infrared treatment device, and it should be designed with a focus on wearability so that the elderly can wear it at all times without any objection.
  • a stretchable near-infrared LED band for smart health care relates to a near-infrared LED band for health care, comprising: a stretchable substrate including a stretchable material; a plurality of stretching electrodes formed on the stretching substrate and printed in a straight pattern; a plurality of LED chips attached to the stretched substrate for irradiating near-infrared rays; and a stretching paste, and a plurality of stretching solders respectively electrically connecting the LED chip and the stretching electrode.
  • the first LED chip protective layer comprising a stretchable material and including a plurality of caps formed to individually surround one of the LED chips and the stretched solder connected to each LED chip; and a second LED chip protective layer including a stretchable material and formed at a position corresponding to the first LED chip protective layer on the rear surface of the stretched substrate, respectively.
  • the stretchable substrate protective layer formed on the entire surface of the stretched substrate to cover the first LED chip protective layer, the second LED chip protective layer, and the stretched electrode may be further included.
  • the stretched electrode may include a first layer formed to have a first hardness by mixing a conductive paste, a curing solvent (Gamma-butylrolatone), and a stretchable material; a second layer formed to have a second hardness by mixing a conductive paste, a curing solvent, and a stretchable material; and a third layer formed by mixing a conductive paste, a curing solvent, and a stretchable material to have the first hardness, wherein the first layer is disposed as a lowermost layer, and the third layer is disposed as an uppermost layer, At least one or more layers of the second layer may be repeatedly disposed in a stacked structure of the first layer or the third layer.
  • the first hardness may be relatively lower than the second hardness.
  • first hardness may be 50
  • second hardness may be 90
  • each of the first layer and the third layer includes silver nanoparticles, a curing agent, and a thermoplastic polyurethane (TPU), and the second layer includes silver microparticles, a curing solvent, and a thermoplastic polyurethane (TPU). can do.
  • TPU thermoplastic polyurethane
  • a blending ratio of silver microparticles blended to form the second layer may be higher than a blending ratio of silver nanoparticles blended to form the first layer and the third layer.
  • each of the first layer and the third layer is formed by mixing 50% silver nanoparticles, 5% curing agent, and 45% thermoplastic polyurethane (TPU), and the second layer is silver micro It may be formed by mixing 70% of particles, 5% of curing solvent, and 25% of thermoplastic polyurethane (TPU).
  • the stretched solder is formed by mixing a conductive paste, a curing solvent (Gamma-butylrolatone), and a stretchable material
  • the conductive paste may be formed by mixing different types of conductive pastes at different mixing ratios.
  • the stretched solder may be formed by mixing silver microparticles, copper microparticles, a curing solvent (Gamma-butylrolatone), and thermoplastic polyurethane (TPU).
  • a curing solvent Gamma-butylrolatone
  • TPU thermoplastic polyurethane
  • the stretched solder may be formed by mixing 50% silver microparticles, 10% copper microparticles, 15% curing solvent (Gamma-butylrolatone), and 25% thermoplastic polyurethane (TPU).
  • the present invention by applying a material harmless to the human body, there is no side effect, the fit and convenience are increased, the economic burden is minimized, and a smart health care capable of SMD (Surface Mount Device) for attaching a near-infrared LED to a stretchable and stretchable substrate. It is possible to provide a stretchable near-infrared LED band for SMD (Surface Mount Device) for attaching a near-infrared LED to a stretchable and stretchable substrate. It is possible to provide a stretchable near-infrared LED band for SMD (Surface Mount Device) for attaching a near-infrared LED to a stretchable and stretchable substrate. It is possible to provide a stretchable near-infrared LED band for SMD (Surface Mount Device) for attaching a near-infrared LED to a stretchable and stretchable substrate. It is possible to provide a stretchable near-infrared LED band for SMD (Surface Mount Device) for attaching a near-
  • FIG. 1 is a cross-sectional view illustrating a detailed configuration of a stretchable near-infrared LED band for smart health care according to an embodiment of the present invention.
  • FIG. 2 is a view showing a stretched electrode manufactured according to an embodiment of the present invention.
  • FIG 3 is a view showing a detailed configuration of a stretching electrode according to an embodiment of the present invention.
  • FIG. 4 is a graph showing electrical characteristics of a stretched electrode according to an embodiment of the present invention.
  • FIG. 5 is a view showing the state of the stretching solder connecting the LED chip and the stretching electrode according to an embodiment of the present invention.
  • FIG. 6 is a graph showing the temperature change with time when the stretched solder manufactured according to the embodiment of the present invention is formed.
  • FIG. 7 is a view showing a stretchable near-infrared LED band for smart health care manufactured according to an embodiment of the present invention.
  • FIG. 1 is a cross-sectional view illustrating a detailed configuration of a stretchable near-infrared LED band for smart health care according to an embodiment of the present invention
  • FIG. 2 is a view showing a stretched electrode manufactured according to an embodiment of the present invention
  • Figure 3 is a view showing the detailed configuration of the stretched electrode according to the embodiment of the present invention
  • Figure 4 is a graph showing the electrical characteristics of the stretched electrode according to the embodiment of the present invention
  • Figure 5 is according to the embodiment of the present invention It is a view showing the state of the stretched solder connecting the LED chip and the stretched electrode
  • FIG. 6 is a graph showing the temperature change with time when the stretched solder manufactured according to an embodiment of the present invention is formed
  • FIG. 7 is an embodiment of the present invention It is a diagram showing a stretchable near-infrared LED band for smart health care manufactured according to an example.
  • a stretchable near-infrared LED band 1000 for smart health care includes a stretchable board 100 , stretchable electrodes 200 , and an LED chip. 300 , the bonding layer 400 , the stretched solder 500 , the first LED chip protective layer 600 , the second LED chip protective layer 700 , the stretched substrate protective layer 800 , and the light blocking pad 900 . It may include at least one.
  • the stretchable board 100 may include stretchable materials such as urethane, and may be manufactured with a stretch rate of 50% or more, but in this way, the stretchable board ( 100) is not limited to the material or material applied to, and the stretch rate of the manufactured substrate as described above, and may include a variety of materials and materials, and it is of course possible to manufacture and apply a substrate having a higher stretch rate.
  • the stretchable electrodes 200 may be formed on the stretchable substrate 200 and printed in a straight pattern.
  • the stretched electrode 200 is patterned in a straight line as shown in FIG. can be manufactured.
  • the stretching electrode 200 may have a multi-layer structure including a first layer 210 , a second layer 220 , and a third layer 230 .
  • the first layer 210 may be formed to have a first hardness by mixing a conductive paste, a curing solvent (Gamma-butylrolatone), and a stretchable material in different mixing ratios, and may be formed in the lowermost layer.
  • a conductive paste As the electrode material applied to the first layer 210 of the present embodiment, it is preferable to use silver nanoparticles that are easy to solder and have excellent cost-effectiveness.
  • silver nanoparticles Ag Nano Particles
  • silver nano wires Ag Nano Wire
  • carbon nanotubes carbon nanotubes
  • hybrid material electrodes graphene electrodes (grapheme electrodes)
  • graphene electrodes grapheme electrodes
  • PEDOT/PSS conductive polymer
  • the stretchable material applied to the first layer 210 is preferably a thermoplastic polyurethane (TPU) that is easy to stretch, but the stretchable material applied to the first layer 210 of this embodiment is used. It is not limited only to polyurethane, and various stretching materials can be applied.
  • TPU thermoplastic polyurethane
  • the second layer 220 may be formed to have a second hardness relatively higher than the first hardness by mixing the conductive paste, the curing solvent (Gamma-butylrolatone), and the stretchable material in different mixing ratios.
  • the electrode material applied to the second layer 220 of the present embodiment it is preferable to use silver microparticles that are easy to solder and have excellent cost-effectiveness.
  • silver micro particles Ag Micro Particle
  • silver micro wire Ag Micro Wire
  • hybrid material electrode graphene electrode (grapheme electrode), conductive polymer (PEDOT/PSS) ) electrode, etc.
  • PEDOT/PSS conductive polymer
  • the stretchable material applied to the second layer 220 is preferably a thermoplastic polyurethane (TPU) that is easy to stretch, but the stretchable material applied to the second layer 220 of this embodiment is used. It is not limited only to polyurethane, and various stretching materials can be applied.
  • TPU thermoplastic polyurethane
  • the third layer 230 may be formed to have a first hardness by mixing a conductive paste, a curing solvent (Gamma-butylrolatone), and a stretchable material in different mixing ratios, and may be formed in the lowermost layer.
  • a conductive paste As the electrode material applied to the first layer 210 of the present embodiment, it is preferable to use silver nanoparticles that are easy to solder and have excellent cost-effectiveness.
  • silver nanoparticles Ag Nano Particles
  • silver nano wires Ag Nano Wire
  • carbon nanotubes carbon nanotubes
  • hybrid material electrodes graphene electrodes (grapheme electrodes)
  • graphene electrodes grapheme electrodes
  • PEDOT/PSS conductive polymer
  • the stretchable material applied to the first layer 210 is preferably a thermoplastic polyurethane (TPU) that is easy to stretch, but the stretchable material applied to the first layer 210 of this embodiment is used. It is not limited only to polyurethane, and various stretching materials can be applied.
  • TPU thermoplastic polyurethane
  • the stretching electrode 200 has a multilayer structure in which the first layer 210, the second layer 220, and the third layer 230 are combined,
  • the first layer 210 is disposed as the lowermost layer
  • the third layer 230 is disposed as the uppermost layer (wherein the first and second layers 210 and 230 are made of substantially the same material). at least one layer) and the second layer 220 may be repeatedly disposed in a stacked structure of the first layer 210 or the third layer 230 .
  • 'lowest layer [first layer 210] - middle layer [second layer 220 / third layer 230 / second layer] (220) / third layer 230 / second layer 220 / third layer 230 / second layer 220] - may be made of a multi-layer structure of the uppermost layer [third layer 230]' , in this case, it is important that the second layer 220 is interposed between the first layer 210 and/or the third layer 230 .
  • the mixing ratio of silver micro-particles mixed to form the second layer 220 is mixed to form the first layer 210 and the third layer 230 . It can be set higher than the mixing rate of particles.
  • each of the first layer 210 and the third layer 230 is formed by mixing 50% silver nanoparticles, 5% curing agent (hardness 60), and 45% thermoplastic polyurethane (TPU).
  • the second layer 220 is formed by mixing 70% silver microparticles, 5% curing solvent (hardness 60), and 25% thermoplastic polyurethane (TPU), and has a first hardness of 50.
  • the first and third layers 210 and 230 and the second layer 220 having a second hardness of 90 may be formed, and more specific details thereof may be summarized in Table 1 below.
  • silver nanoparticles are applied to the conductive pastes included in the first layer 210 (Layer 1) and the third layer 230 (Layer 3), and the mixing ratio is 50%, respectively. and nano-sized particles are used, while the conductive paste included in the second layer 220 (Layer 2) is formed with Ag Micro Particles and the mixing ratio is 70%, so that the first and third The hardness of the layers 210 and 230 (Layer 1 and 3) is relatively lower than that of the second layer 220 (Layer 2).
  • first and third having relatively low hardness
  • a portion of the layers 210 and 230 may penetrate the corresponding crack to maintain conductivity without breaking the stretching electrode 200 .
  • the stretched electrode 200 forms a multi-layer structure with different mixtures and hardnesses of the conductive paste and the stretchable material as described above, and is patterned in a linear shape of about 0.2 to 0.8 mm, so that it is more It may have an improved stretch rate.
  • FIG. 4 is an experimental result for the stretched electrode 200 of this embodiment, and when comparing the characteristic curves, 'elongation vs.
  • the stretched electrode 200 of this embodiment based on 50% has a differentiated strength in that the resistance value changes very low compared to the conventional stretched electrode.
  • the near-infrared LED band 1000 to which the stretching electrode 200 having a resistance value having such an improvement in stretch rate (or elongation rate) and a low change rate is applied wears a near-infrared LED treatment device for medical use like clothes, wears like a band, or like a pars. It can also be applied in the form of an attachment, which enables constant treatment and self-treatment even in the case of the elderly or the disabled without restriction of activity.
  • the LED chip 300 may be adhered to the stretched substrate 100 through a bonding material to irradiate near-infrared rays.
  • ATP adenosine triphosphate
  • triphosphate triphosphate
  • ATP is formed of oxygen and glucose, and is delivered to each tissue through capillaries.
  • Most people with neurological diseases have problems with blood circulation. This is because ATP is not sufficiently provided through capillaries.
  • the mitochondria cannot fundamentally play the role of mitochondria, the mitochondria send pain signals to the brain, which is the background of pain, that is, the onset of neurological diseases.
  • Mitochondria are very sensitive to light. In particular, when mitochondria are stimulated in the near-infrared band, ATP production increases, and pain is reduced by properly providing ATP to each tissue.
  • the light source energy of near-infrared light can penetrate 20 to 100 mm of human skin and tissue into the muscle tissue of blood vessels. At this time, the muscle tissue expands and relaxes the diameter of the blood vessel to facilitate the blood flow of the blood vessel, so that it is possible to treat inflammation.
  • near-infrared light therapy restores oxidized tissue due to increased blood circulation, and when it is repeatedly operated according to a certain rule, improved human sensitivity improves gait and sense of balance, and reduced pain relieves more comfortable activity. and be able to sleep. In particular, it can reduce burning pain, stinging pain, and even inflammation throughout the body.
  • the bonding layer 400 serves to adhere the lower surface of the LED chip 300 to the upper portion of the stretched substrate 100 , and may be formed by bonding with a bonding material and then curing.
  • the stretching solder 500 may electrically connect between the LED chip 300 and the stretching electrode 200, respectively, as shown in FIG. 5 .
  • the stretched solder 500 is formed by mixing a conductive paste, a curing solvent (Gamma-butylrolatone), and a stretchable material, wherein the conductive paste includes different types of conductive pastes. It is preferable to be formed by mixing in different mixing ratios.
  • the stretched solder 500 may be formed by mixing silver micro particles (Ag Micro Particles), copper micro particles (Cu Micro Particles), a curing solvent (Gamma-butylrolatone), and thermoplastic polyurethane (TPU). .
  • the stretched solder 500 may be formed by mixing 50% silver microparticles, 10% copper microparticles, 15% curing solvent (Gamma-butylrolatone), and 25% thermoplastic polyurethane (TPU).
  • TPU thermoplastic polyurethane
  • the temperature of the Y-axis gradually increased over time on the X-axis.
  • the temperature profile was maintained for a certain period of time, and then increased again.
  • the temperature profile gradually decreased. Accordingly, it can be confirmed that the soldering material is formed in a stable structure on the electrode without spreading or dispersing.
  • SMD Surface Mount Device
  • SMD Surface Mount Device
  • the first LED chip protective layer 600 is coated with a stretchable material formed to individually surround one LED chip 300 and the stretched solder 500 connected to each LED chip (hardness 60 or less, elasticity 50%) Hereinafter, transparent) may be formed into a plurality of cap structures. That is, the first LED chip protective layer 600 is formed for each LED chip 300 to form an island.
  • the stretchable material applied to the first LED chip protective layer 600 may include transparent and colorless polyurethane, but in this embodiment, various materials having transparent and colorless stretching characteristics as well as polyurethane are used. can be applied.
  • the second LED chip protective layer 700 is coated with a stretchable material at a position corresponding to the first LED chip protective layer 600 on the rear surface of the stretched substrate 100 (hardness 60 or less, elasticity 50% or less, transparent ) and can be formed respectively.
  • the stretchable material applied to the second LED chip protective layer 700 may include transparent and colorless polyurethane, but in this embodiment, various materials having transparent and colorless stretching characteristics as well as polyurethane are used. can be applied.
  • the stretchable substrate protective layer 800 is a stretchable material on the entire surface of the stretched substrate 100 so as to cover the first LED chip protective layer 600 , the second LED chip protective layer 700 and the stretched electrode 200 .
  • This coating (hardness 30 or less, the same as the stretched substrate, transparent) can be formed.
  • the light blocking pad 900 may be formed such that an upper portion of the first LED chip protective layer 600 and a portion of the stretched substrate protective layer 800 covering the upper portion of the first LED chip protective layer 600 are exposed.
  • the material may include the nonwoven fabric 5T, but in this embodiment, not only the nonwoven fabric but also various materials having elongation properties may be used.
  • the light blocking pad 900 serves to block light from being emitted from the LED chip 300 to other than a portion of the first LED chip protective layer 600 and the stretched substrate protective layer 800 .
  • the stretchable near-infrared LED band for smart health care has no side effects by applying a material harmless to the human body, increases fit and convenience, minimizes economic burden, and is used for attaching a near-infrared LED to a stretchable and stretchable substrate.
  • SMD Surface Mount Device

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Abstract

La présente invention concerne une bande LED étirable dans le proche infra-rouge pour soin de santé intelligent, et est prévue pour permettre à un dispositif de montage en surface (SMD) de fixer une LED dans le proche infra-rouge à un substrat étirable, un matériau sans danger pour le corps humain étant appliqué pour éliminer les effets secondaires, le confort et la facilité de port sont accrus, et la charge économique est réduite. Selon un mode de réalisation, la présente invention concerne une bande LED étirable dans le proche infra-rouge pour soin de santé intelligent, la bande comprenant : un substrat étirable comprenant un matériau étirable; une pluralité d'électrodes étirables formées sur le substrat étirable et imprimées selon un motif en ligne droite; une pluralité de puces LED qui sont fixées au substrat étirable et qui servent à émettre des rayons dans le proche infra-rouge; et une pluralité de parties de soudure étirables comprenant une pâte étirable et reliant électriquement les puces LED respectivement aux électrodes étirables.
PCT/KR2021/006286 2020-05-21 2021-05-20 Bande led étirable dans le proche infra-rouge pour soin de santé intelligent WO2021235865A1 (fr)

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KR1020200061029A KR102256074B1 (ko) 2020-05-21 2020-05-21 스마트 헬스 케어용 스트레처블 근적외선 led 밴드
KR10-2020-0061029 2020-05-21

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KR20130017696A (ko) * 2011-08-11 2013-02-20 한국전자통신연구원 광치료용 패드
KR101413560B1 (ko) * 2012-11-01 2014-08-06 한국전기연구원 밴드형 광선치료 장치
KR20180138254A (ko) * 2017-06-19 2018-12-31 전남대학교산학협력단 가요성 전극 및 이의 제조방법
KR20200001213A (ko) * 2018-06-27 2020-01-06 한국광기술원 이중 프린팅 배선 구조를 갖는 스트레처블 패치 및 이중 프린팅 배선 구조를 갖는 스트레처블 패치 제조방법

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