KR102045014B1 - patch type sensor module - Google Patents

Abstract

Patch type sensor modules are provided. Patch type sensor module according to an exemplary embodiment of the present invention is a base substrate having flexibility and breathability; An antenna pattern patterned on the first surface of the base substrate; A chemical liquid layer disposed on the second surface of the base substrate including a functional material; A circuit board electrically connected to the antenna pattern and mounted with at least one driving chip and disposed on the first surface; And a temperature sensor mounted on the circuit board to sense a body temperature of the user.

Description

Patch type sensor module

The present invention relates to a patch-type sensor module, and relates to a patch-type sensor module that can secure moisture while blocking moisture.

The biosignal is a signal representing a human body state and is mainly information necessary for diagnosing a disease or a health state.

The biosignal includes an electrocardiogram, an electroencephalogram, and an electrocardiogram including an electrical signal, and includes a blood pressure, a body temperature, and a pulse wave, which are physical signals, and consists of various types of signals including blood sugar, oxygen saturation, and body composition. .

In order to collect such a bio-signal, the sensor must be attached to the skin and measured, but there is a problem in that the skin is not attached well because there is a lot of bends such as sweat, oil, and wrinkles.

In addition, if the sensor is attached to the skin for a long time, the breathability is not secured, there is a problem that the skin trouble caused by air blocking.

KR 10-2016-0095732 A

The present invention has been made in view of the above, it is an object to provide a patch-type sensor module that can be easily attached to the body and prevent skin problems by having a base material having breathability and flexibility.

In addition, the present invention has another object to provide a patch-type sensor module that can obtain a skin improvement effect at the same time as the measurement of the biological signal.

Furthermore, another object of the present invention is to provide a patch type sensor module that can be thinned by supplying driving power to a driving chip using an energy harvesting method.

In order to solve the above problems, the present invention is a base substrate having flexibility and breathability; An antenna pattern patterned on the first surface of the base substrate; A chemical liquid layer disposed on the second surface of the base substrate including a functional material; A circuit board electrically connected to the antenna pattern and mounted with at least one driving chip and disposed on the first surface; And a temperature sensor mounted on the circuit board to detect a user's body temperature.

According to a preferred embodiment of the present invention, the base substrate may be formed of a nanofiber web of a three-dimensional network structure having fine pores that block moisture and allow air to pass therethrough. In this case, the nanofiber web may be formed by electrospinning a spinning solution in which a synthetic polymer and a solvent are mixed. In addition, the chemical liquid layer may be formed of a nanofiber web accumulated by electrospinning a spinning solution in which a functional material, a water-soluble polymer and a solvent are mixed, and the functional material may include a dry storage material that is difficult to store liquid.

In addition, the antenna pattern may perform a data transmission role of transmitting information obtained through the temperature sensor and a power reception role of supplying driving power required by the driving chip in an energy harvesting method.

The antenna pattern may be patterned on the first surface of the base substrate or patterned on the insulating layer patterned on the first surface of the base substrate.

For example, when the antenna pattern is formed on the first surface of the base substrate, the circuit board may be attached to the first surface of the base substrate via an anisotropic conductive film, and formed at both ends of the antenna pattern, respectively. The two terminal terminals may be electrically connected to the circuit board through the anisotropic conductive film.

In this case, the circuit board may include a first portion in which the at least one driving chip is mounted, and a second portion extending from the first portion to cross the antenna pattern, and the terminal of the antenna pattern. The terminal may be electrically connected to the second portion.

Alternatively, the antenna pattern may include a bridge pattern formed to cross the antenna pattern from one end of either end, and any one of the two terminal terminals may be formed on the end side of the bridge pattern. have. In this case, the bridge pattern may be insulated from the antenna pattern through an insulating layer disposed to surround the antenna pattern.

As another example, when the antenna pattern is patterned on the insulating layer patterned on the first surface of the base substrate, the insulating layer may be formed in the same pattern as the antenna pattern.

In addition, the antenna pattern may be formed on the circuit board. In such a case, the circuit board may be detachably attached to one surface of the base substrate through an adhesive member, and at least one surface of the base substrate may have a shape maintaining member for maintaining the shape of the base substrate. Can be attached along the border of the. Through this, it is possible to reuse relatively expensive circuit boards and electronic components mounted thereon.

In addition, the base substrate and the chemical layer may be formed through the exposed hole formed in the area corresponding to the temperature sensor, the temperature sensor may be exposed to the outside through the exposure hole.

In addition, the circuit board may be prevented from being exposed to the outside through the protective member.

On the other hand, the present invention is formed of a nanofiber web of a three-dimensional network structure having fine pores so as to ensure flexibility and breathability, the base substrate having an antenna pattern formed on the first surface; A chemical layer formed of a nanofiber web accumulated by electrospinning a spinning solution containing a functional material, a water-soluble polymer, and a solvent and disposed on a second surface of the base substrate; A first portion on which at least one driving chip is mounted, and a second portion extending from the first portion to cross the antenna pattern and electrically connected to the antenna pattern; A circuit board attached via an anisotropic conductive film; A temperature sensor mounted on the circuit board so as to sense a user's body temperature, and disposed in an exposure hole passing through the base material and the chemical layer at the same time; And a protection member for preventing the circuit board from being exposed to the outside.

On the other hand, the present invention is formed of a nanofiber web of a three-dimensional network structure having fine pores so as to ensure flexibility and breathability, the base substrate having an antenna pattern formed on the first surface; A circuit board mounted on the first surface of the base substrate through an anisotropic conductive film so that at least one driving chip is mounted and electrically connected to the antenna pattern; A chemical layer formed of a nanofiber web accumulated by electrospinning a spinning solution containing a functional material, a water-soluble polymer, and a solvent and disposed on a second surface of the base substrate; A temperature sensor mounted on the circuit board to sense a user's body temperature and disposed in an exposure hole through which the base substrate and the chemical liquid layer are simultaneously formed; And a protection member for preventing the circuit board from being exposed to the outside.

delete

delete

According to the present invention, the base substrate is formed of a nanofiber web having micropores, thereby securing flexibility and breathability, thereby making it easy to attach to the body and preventing side effects such as skin troubles from occurring at the attachment site even when attached to the skin for a long time. have.

In addition, according to the present invention, a chemical liquid layer is formed on one surface of the base substrate, thereby obtaining skin information and improving skin through a functional material.

Furthermore, the present invention can reduce the mounting space of the battery by supplying driving power to the driving chip by using an energy harvesting method.

1 is a schematic view showing the top and bottom of the patch-type sensor module according to the first embodiment of the present invention,
2 is a view illustrating a state in which a circuit board and a base substrate are separated in FIG. 1;
3 is a cross-sectional view along the AA direction of FIG.
4 is a view schematically showing a state in which an antenna pattern is formed on the base substrate in the patch-type sensor module according to the first embodiment of the present invention;
5 is a schematic view showing the top and bottom of the patch-type sensor module according to a second embodiment of the present invention,
6 is a view illustrating a state in which a circuit board and a base substrate are separated from FIG. 5;
7 is a sectional view along the BB direction of FIG.
8 is a schematic view showing the top and bottom of the patch-type sensor module according to a third embodiment of the present invention,
9 is an exploded view of FIG. 8;
10 is a sectional view along the BB direction of FIG.
11 is a view schematically showing a base substrate applied to the patch-type sensor module according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. The drawings and description are to be regarded as illustrative in nature and not restrictive. Like reference numerals designate like elements throughout the specification.

Patch type sensor module 100, 200, 300 according to the present invention is a base substrate 110, an antenna pattern 120, a chemical layer 130, a circuit board 140, 240 and a temperature sensor as shown in Figs. And 150.

The base substrate 110 serves to support the chemical liquid layer 130 disposed on one surface, and may have a plate shape having a predetermined area.

At this time, the base substrate 110 according to the present invention may be formed of a nanofiber web having fine pores to ensure flexibility, moisture barrier properties and breathability.

For example, the base substrate 110 may be a nanofiber web in which nanofibers 112 including synthetic polymers are accumulated, as shown in FIGS. 4 and 11. That is, the base substrate 110 may be formed of a nanofiber web having fine pores 114 to block moisture and allow free passage of air, and the nanofiber web may be formed of a three-dimensional network structure. . At this time, the fine pores may have an average pore diameter of 10㎛ or less.

Specifically, the base substrate 110 may be a single layer nanofiber web accumulated to have fine pores 114 by electrospinning a spinning solution in which a synthetic polymer and a solvent are mixed. Here, the solvent may be water or alcohol, or may be an organic solvent in addition to water or alcohol.

In this case, the synthetic polymer may be a fibrous forming polymer capable of electrospinning so that the nanofiber web may be realized through electrospinning without being dissolved by a solvent. Accordingly, the base substrate 110 may be attached to the skin for a long time by maintaining the form of the nanofiber web without being dissolved by the solvent even when contacted with the solvent, even after a long time after the adhesion to the skin Through the fine pores formed in 110, air can be smoothly introduced to the skin side of the user, thereby preventing skin troubles such as barking due to air blocking.

In addition, even if the water-soluble chemical liquid layer 130 is in contact with the solvent applied to the user's skin is released in the liquid or gel form, the base substrate 110 is not dissolved by the solvent and released by maintaining the form of the nanofiber web It may serve to protect the layer 130. Due to this, the patch-type sensor module (100, 200, 300) according to the present invention leaks to the outside through the base material 110 while the active ingredient passes air from the outside to the user's body part through the micro-pores formed in the base material 110 The active ingredient can be effectively absorbed to the body part side of the user by blocking it.

In addition, the active ingredient included in the chemical layer 130 may promote penetration into the skin through moisture barrier property, and the average pore size of the micropores may be formed to have a size of 10 μm or less to pass through the micropores. By diffusely reflecting light, there is an effect that can block ultraviolet rays without adding a separate functional material such as a sunscreen component.

Such a synthetic polymer may be dissolved in a solvent for electrospinning, may form nanofibers by electrospinning, and is not particularly limited as long as it is a resin that is not dissolved by a solvent. By way of non-limiting example, the synthetic polymer may be polyvinylidene fluoride (PVdF), poly (vinylidene fluoride-co-hexafluoropropylene), perfuluropolymer, polyvinylchloride, polyvinylidene chloride or their Polyethylene glycol derivatives including copolymers, polyethylene glycol dialkyl ethers and polyethylene glycol dialkyl esters, poly (oxymethylene-oligo-oxyethylene), polyoxides including polyethylene oxide and polypropylene oxide, polyvinylacetate, poly ( Vinylpyrrolidone-vinylacetate), polystyrene and polystyrene acrylonitrile copolymers, polyacrylonitrile (PAN), polyacrylonitrile copolymers including polyacrylonitrile methyl methacrylate copolymer, polymethylmethacryl Latex, polymethylmethacrylate copolymers or their It may be a mixture.

The antenna pattern 120 may be formed in a predetermined pattern to transmit information obtained through the temperature sensor 150 to another external device. Here, the external device may be a portable electronic device such as a smartphone, a tablet PC, or the like.

To this end, the antenna pattern 120 may be electrically connected to the circuit boards 140 and 240 by a pair of terminal terminals 122a and 122b formed at both end sides thereof. Through this, the antenna pattern 120 is driven by the driving chip 160 mounted on the circuit boards 140 and 240 to transmit information obtained through the temperature sensor 150 to the outside through a short range wireless communication method. Can act as a radiator.

In the present invention, the near field communication technology may include Near Field Communication (NFC) communication, Bluetooth communication, Radio Frequency Identification (RFID) communication, Infrared Data Association (IrDA) communication, Ultra Wideband (UWB) communication, Zigbee communication, LoRa communication, All known wireless communication methods such as RADAR communication and low power wireless communication can be used.

The antenna pattern 120 may be patterned on one surface of the base substrate 110 or may be patterned on the circuit board 240.

For example, the antenna pattern 120 may be patterned on one surface of the base substrate 110 as shown in FIGS. 1 to 7. That is, the antenna pattern 120 may be formed in a predetermined pattern on one surface of the base substrate 110 by printing a conductive material. Here, the conductive material may be Ag paste or Cu paste.

In this case, the antenna pattern 120 may be patterned on the upper surface of the insulating layer 124 patterned on one surface of the base substrate 110 to prevent electrical short as shown in FIG.

Here, as shown in FIG. 4, the insulating layer 124 may be in the form of completely filling or partially filling the micropores 114 formed in the base substrate 110, and on one surface of the base substrate 110. It may be in the form of being attached.

In this case, the insulating layer 124 may be formed in the same pattern as the antenna pattern 120, and may have the same width or relatively wider than the width of the antenna pattern 120. In addition, another insulating layer 125 may be formed on the top surface of the antenna pattern 120 to prevent electrical short. In addition, the pair of terminal terminals 122a and 122b formed at both end sides of the antenna pattern 120 may be electrically connected to the circuit board 140 and may include a driving chip mounted on the circuit board 140. The drive may be controlled by 160.

As a specific example, the circuit board 140 may be attached to one surface of the base substrate 110 through the adhesive member 144, the adhesive member 144 may be a known anisotropic conductive film. In this case, the circuit board 140 extends from the first portion 141 and the first portion 141 on which the driving chip 160 and the temperature sensor 150 are mounted to cross the antenna pattern 120. It may include a second portion 142 is arranged to be.

In this way, the circuit board 140 may be electrically connected to the terminal terminals 122a and 122b of the antenna pattern 120 at a local position while maintaining insulation with the base substrate 110 and the antenna pattern 120. Can be.

The circuit board 140 may be a double-sided circuit board having circuit patterns formed on both surfaces thereof such that the temperature sensor 150 and the driving chip 160 may be mounted on opposite surfaces, respectively. The surface of the circuit board 140 may be mounted on a surface opposite to the surface on which the driving chip 160 is mounted. In addition, the circuit board 140 may be a flexible circuit board or a rigid circuit board.

Specifically, as shown in FIG. 3, the via hole 143 may be formed at a position corresponding to the terminal terminals 122a and 122b of the antenna pattern 120 and the via hole 143. ) And the terminal terminals 122a and 122b of the antenna pattern 120 may be electrically connected to each other through the anisotropic conductive film, which is the adhesive member 144. In addition, the upper side of the via hole 143 may be electrically connected to the driving chip 160 through a lead part (not shown) formed on the upper surface of the circuit board 140.

In the present embodiment, the base substrate 110 may serve as a circuit board on which the antenna pattern 120 is formed, together with supporting the chemical liquid layer 130. Accordingly, the base substrate 110 is formed of a nanofiber web in which nanofibers are accumulated, and thus serves as a circuit board on which an antenna pattern 120 is formed, compared to a polyimide film generally used in a flexible circuit board. The warpage is excellent and the recovery characteristics can be returned to the original flat state even when folded or wrinkled.

In addition, the remaining area except the area in which the antenna pattern 120 is formed among the total area of the base substrate 110 is secured through air permeability and moisture barrier through the micropores 114, so that the antenna pattern is formed on one surface of the base substrate 110. Even if 120 is formed, sufficient breathability can be ensured.

However, the method of forming the antenna pattern 120 is not limited thereto, and the antenna pattern 120 may be filled with the conductive material by completely filling or partially filling the micropores 114 formed in the base substrate 110. It may be a form directly formed on one surface of the substrate 110.

As another example, the antenna pattern 120 has a patterned insulating layer 124 formed on one surface of the base substrate 110 to prevent electrical short in the same manner as in the first embodiment as shown in FIG. The pattern may be formed on the upper surface of the.

Here, as shown in FIG. 4, the insulating layer 124 may be in the form of completely filling or partially filling the micropores 114 formed in the base substrate 110, and on one surface of the base substrate 110. It may be in the form of being attached. In addition, the insulating layer 124 may be formed in the same pattern as the antenna pattern 120, and may have the same width or relatively wider than the width of the antenna pattern 120.

In addition, the circuit board 240 may be attached to one surface of the base substrate 110 through the adhesive member 144, the adhesive member 144 may be an anisotropic conductive film.

In this case, another antenna layer 125 may be formed on the top and side surfaces of the antenna pattern 120 to prevent electrical shorts. Accordingly, the antenna pattern 120 may be completely surrounded by the insulating layers 124 and 125, and another circuit pattern 123 may be formed on the upper side of the antenna pattern 120.

That is, the another circuit pattern 123 extends inward from the terminal terminals 122a formed on the outside of the pair of terminal terminals 122a and 122b formed at both end sides of the antenna pattern 120. It may be formed to cross the antenna pattern 120, it may maintain the insulation with the antenna pattern 120. Accordingly, in the present embodiment, unlike the first embodiment described above, the pair of terminal terminals formed on both end sides of the antenna pattern 120 by performing the role of the another circuit pattern 123 as a bridge ( The terminal terminal 122a formed at the outside of the 122a and 122b may be moved toward the inner hollow portion of the antenna pattern 120.

As a result, the pair of terminal terminals 122a and 122b formed at both end sides of the antenna pattern 120 may be directly electrically connected to the circuit board 240 disposed at the inner hollow side of the antenna pattern 120. The driving may be controlled by the driving chip 160 mounted on the circuit board 240. Here, a pair of terminals are formed on a bottom surface of the circuit board 240 in an area corresponding to the terminal 124a formed at the end of the terminal terminal 122b and another circuit pattern 123, as shown in FIG. 145a and 145b may be formed, and the terminal 124a and the pair of terminals 145a and 145b formed at the end of the terminal terminal 122b and another circuit pattern 123 may be formed of the adhesive member 144. ) Can be electrically connected to each other via an anisotropic conductive film.

Accordingly, since the circuit board 240 may be disposed only on the inner hollow side of the antenna pattern 120, the overall size of the circuit board 240 used may be reduced, thereby reducing the material cost, and the circuit board. As the area of the base substrate 110 covered by the 240 is reduced, it is possible to ensure better breathability. In addition, the antenna pattern 120 is directly connected to the circuit board 240 through another circuit pattern 123 serving as a bridge to increase the reliability, and the circuit of the entire area of the base substrate 110 The remaining area excluding the area corresponding to the substrate 240 may ensure more excellent flexibility.

The circuit board 240 may be a double-sided circuit board having circuit patterns formed on both surfaces thereof such that the temperature sensor 150 and the driving chip 160 may be mounted on opposite surfaces, respectively. The surface of the circuit board 240 may be mounted on a surface opposite to the surface on which the driving chip 160 is mounted. In addition, the circuit board 240 may be a flexible circuit board or a rigid circuit board.

In the present embodiment, the base substrate 110 may serve as a circuit board on which the antenna pattern 120 is formed, together with supporting the chemical liquid layer 130. Accordingly, the base substrate 110 is formed of a nanofiber web in which nanofibers are accumulated, and thus serves as a circuit board on which an antenna pattern 120 is formed, compared to a polyimide film generally used in a flexible circuit board. The warpage is excellent and the recovery characteristics can be returned to the original flat state even when folded or wrinkled.

In addition, the remaining area except the area in which the antenna pattern 120 is formed among the total area of the base substrate 110 is secured through air permeability and moisture barrier through the micropores 114, so that the antenna pattern is formed on one surface of the base substrate 110. Even if 120 is formed, sufficient breathability can be ensured.

However, the method of forming the antenna pattern 120 is not limited thereto, and the antenna pattern 120 may be filled with the conductive material by completely filling or partially filling the micropores 114 formed in the base substrate 110. It may be a form directly formed on one surface of the substrate 110. In addition, the electrical connection between the terminal 124a and the pair of terminals 145a and 145b formed at the end of the terminal terminal 122b and the other circuit pattern 123 is not limited thereto. Terminals 124a formed at the ends of the 122b and the other circuit patterns 123 may be electrically connected to each other by a direct contact with the pair of terminals 145a and 145b. In this case, the adhesive member 144 interposed between the circuit board 240 and the base substrate 110 may be an anisotropic conductive film as described above, but a known general adhesive member may be used in consideration of material cost. To reveal.

As another example, the antenna pattern 120 may be formed on the circuit board 240 on which the driving chip 160 and the temperature sensor 150 are mounted, as shown in FIGS. 8 to 10. In this embodiment, the antenna pattern 120 may be formed in a predetermined pattern on one surface of the circuit board 240, and may be electrically connected to the driving chip 160.

Here, the circuit board 240 may be a double-sided circuit board so that the temperature sensor 150 and the driving chip 160 may be mounted on opposite surfaces, respectively, and are formed at both ends of the antenna pattern 120. One of the two terminal terminals 122a and 122b may be connected to the driving chip 160 via the via hole and the lead unit. In addition, the circuit board 240 may be a flexible circuit board or a rigid circuit board.

In this case, one side of the circuit board 240 may be detachably coupled to the base substrate 110 through the adhesive member 244, and the temperature sensor 150 may be disposed on both sides of the circuit board 240. The driving chip 160 may be mounted on a surface opposite to the surface on which the driving chip 160 is mounted. Here, the adhesive member 244 may be a liquid or gel inorganic material type, or may be a substrate type coated with an adhesive material on both sides of the substrate. In addition, the adhesive member 244 may include a non-conductive component to electrically insulate the base substrate 110 and the circuit board 240.

That is, in this embodiment, the antenna pattern 120 is formed on one circuit board 240, and the driving chip 160 and the temperature sensor 150 are both mounted and modularized so that one surface of the base substrate 110 is modularized. Can be placed in. Accordingly, the circuit board 240 may be separated from the base substrate 110 and then attached to one surface of the unused base substrate 110 through an adhesive member 244. Through this, the remaining portion except for the base base 110 and the chemical liquid layer 130 can be reused. In this case, as shown in FIGS. 8 and 9, at least one surface of the base substrate 110 includes at least one shape maintaining member 180 for maintaining the shape of the base substrate 110. 110 may be attached along the edge. Accordingly, the ease of separation operation for separating the circuit board 240 from the base substrate 110 can be improved.

Here, the shape maintaining member 180 is a non-limiting example, but may be a fluororesin-based film member such as PET, but is not limited thereto, and may be a metal or plastic material having rigidity.

Meanwhile, the antenna pattern 120 according to the present invention may simultaneously perform a role of receiving power to supply driving power to the driving chip 160 together with a data transmission role of transmitting information obtained through the temperature sensor 150. Can be.

That is, the antenna pattern 120 may receive power from an external device using an energy harvesting method and supply the received power to the driving chip 160. For example, the antenna pattern 120 serves as an NFC antenna and receives power for driving the driving chip 160 by receiving wireless power from the external device when transmitting data with another external device such as a mobile device. Can be employed.

Accordingly, the patch-type sensor module (100, 200, 300) according to the present invention can reduce the overall weight because a separate power source for driving the drive chip 160 is unnecessary, and the battery is omitted, it is possible to manufacture in an ultra-thin.

The chemical liquid layer 130 is formed on one surface of the base substrate 110 to directly contact the skin of the user and serves to provide an effective active ingredient to the skin of the user.

To this end, the chemical layer 130 may be a nanofiber web formed to have fine pores by preparing a spinning solution by mixing a water-soluble polymer, a functional material and a solvent in an appropriate ratio and then electrospinning the spinning solution.

That is, the chemical liquid layer 130 is implemented in the form of a nanofiber web through a spinning solution in which a water-soluble polymer material and a functional material are mixed, so that the chemical liquid layer 130 is attached to the skin side to which the solvent is applied and is changed to a release state when it comes into contact with the solvent. The functional material may be absorbed into the skin and the water-soluble polymer material may be absorbed into the base substrate 110.

Here, the water-soluble polymer material is not particularly limited as long as it is a polymer material capable of dissolving in water or alcohol to form nanofibers through electrospinning. As a non-limiting example, the water-soluble polymer is polyvinyl alcohol (PVA), polyvinyl pyrrolidone (PVP), polyethylene oxide (PEO), carboxyl methyl cellulose (CMC), starch, starch, polyacrylic acid (PAA) and hyaluronic acid ( Hyaluronic acid) may be a mixture containing one or more selected.

In addition, the functional material may be a dry storage material difficult to store the liquid and the dry storage material may be smoothly absorbed by the skin side of the user by releasing (liquid) in a liquid or gel state when the water-soluble polymer is dissolved. For example, the dry storage material may be a vitamin, an enzyme, a protein, a peptide-vitamin C derivative, or the like. Typically, the above-described dry storage materials have a property of decomposing only in a liquid phase. However, it is difficult to store such dry storage materials in a liquid state for a long time.

In the present invention, the dry storage material, which is difficult to store the liquid, is included in the spinning solution together with the water-soluble polymer material and the solvent, and the spinning solution containing the dry storage material is formed into nanofibers through electrospinning to form a chemical fiber layer in the form of a nanofiber web. By configuring the 130, the dry storage material may be restrained in a dry state to the nanofibers constituting the chemical liquid layer (130).

Accordingly, the dry storage material that is difficult to store the liquid can be stored for a long time, and when the water-soluble polymer is dissolved by the solvent, the dry functional material is released together with the water-soluble polymer and delivered to the skin, thereby allowing the skin to penetrate smoothly to the skin side.

That is, when the patch-type sensor module 100, 200, 300 according to the present invention is attached to the skin, the water-soluble polymer constituting the chemical layer 130 is dissolved by a solvent applied to the skin and the functional material bound to the water-soluble polymer may be released. . Accordingly, the released functional material may be absorbed into the skin and the water-soluble polymer dissolved by the solvent may be absorbed into the base substrate 110.

In the present invention, the functional material is a material for skin beauty and wound treatment, ingredients (arbutin, niacinamide, ascoglucoside) to help skin whitening, ingredients to help improve skin wrinkles (retinol, adenosine), ultraviolet light Ingredients to help block (titanium dioxide), ingredients to help moisturize and skin elasticity (snail mucus filtrate, acetylhexapeptide, red ginseng collagen, aqua ceramide, regenerated peptide, galatomises fermentation broth), epidermal growth factor (EGF) Or a growth factor such as fibroblast growth factor (FGF), a protein for healing, or a mixture containing at least one of antimicrobial substances such as silver nano material or chitosan. In addition, the functional material may be a mixture containing at least one selected from water-soluble collagen, vegetable platinum, tocopherol, xylitol, and vegetable extracts.

In this case, the chemical liquid layer 130 may contain a predetermined proportion of oil in the spinning solution forming the chemical liquid layer 130 so as to appropriately adjust the time of melting upon contact with the solvent. Through this, it is possible to control the overall drying time of the base substrate 110 attached to the user's skin can have a suitable drying time for the purpose of use, such as for sleep, pack, protection.

Accordingly, the patch-type sensor module (100, 200, 300) according to the present invention collects information on the body temperature of the user through the temperature sensor 150, while obtaining information by supplying an effective active ingredient to the skin side through the chemical layer 130 In addition, the effect of skin improvement can be simultaneously achieved.

The temperature sensor 150 is mounted on the circuit boards 140 and 240 disposed on one surface of the base substrate 110 to detect the body temperature of the user.

As described above, the temperature sensor 150 may be mounted on a surface opposite to a surface on which the driving chip 160 is mounted on both surfaces of the circuit boards 140 and 240, and the patch type sensor module 100, 200, 300 according to the present invention. May be exposed on the body side of the user upon attachment of the.

To this end, an exposure hole 116 may be formed through the base substrate 110 and the chemical liquid layer 130 in a region corresponding to the temperature sensor 150. Accordingly, when the temperature sensor 150 and the driving chip 160 are mounted on both surfaces of the circuit boards 140 and 240, respectively, the circuit boards 140 and 240 are attached to one surface of the base substrate 110. The sensor 150 may be inserted into the exposure hole 116 side, and when the patch-type sensor module (100, 200, 300) according to the present invention is attached to the user's body, the temperature sensor 150 faces the user's skin Can measure the body temperature.

In addition, the valid information generated based on the information detected from the temperature sensor 150 may be transmitted to the outside through the antenna pattern 120 as described above.

On the other hand, the patch-type sensor module (100, 200, 300) according to the present invention for preventing the circuit board 140, 240 and / or driving chip 160 is exposed to the outside, as shown in Figures 3, 7 and 10 It may include a protective member 170. For example, the protection member 170 may be in the form of a sheet such as fluoropolymer resin or release paper such as PET, PP, PE or the like, or may be in the form of a molding covered by a resin material made of an insulator.

The protection member 170 may locally cover the circuit boards 140 and 240 and / or the driving chip 160. In particular, the protection member 170 may cover a region corresponding to the driving chip 160. However, the cover area of the protection member 170 is not limited thereto, and the cover area of the protection member 170 may be provided to have the same width as that of the base substrate 110 to cover all of the circuit boards 140 and 240 and the antenna pattern 120. .

In addition, the patch-type sensor module (100, 200, 300) according to the present invention shields the magnetic field generated in the antenna pattern 120 to block the effect of the eddy current known shielding sheet (not shown) in the area corresponding to the antenna pattern 120 H) may be disposed, and an insulation sheet may be included to block heat generated from the driving chip 160 from being transferred to the human body side.

Here, the shielding sheet may be all known magnetic material used for the shielding sheet, such as ferrite, amorphous, polymer, etc., the insulating sheet may be a metal or graphite sheet, and may be a nanoweb and a metal stacked.

On the other hand, the patch-type sensor module (100, 200, 300) according to the present invention has been described as containing the functional material only in the chemical liquid layer 130, but not limited to this, it will be clear that it may also be included in the base substrate (110). That is, the base substrate 110 may include a functional material together with a synthetic polymer material and a solvent for maintaining the shape of the nanofiber web in the spinning solution.

In addition, the patch-type sensor module (100, 200, 300) according to the present invention may be implemented in a form in which the above-described chemical liquid layer 130 is omitted may be used for the sensor for simply detecting the user's body temperature.

In addition, in the present invention, the spinning method for forming the base substrate 110 and the chemical liquid layer 130 may use any one of general electrospinning, air electrospinning, electrospinning, electrospinning, centrifugal electrospinning, flash electrospinning. Let's find out.

The patch-type sensor module 100, 200, 300 according to the present invention described above may be implemented as a healthcare product, or may be implemented as a medical product. In addition, the patch-type sensor module (100, 200, 300) according to the present invention can be applied to wearable devices, such as smart watches, smart glasses, as well as clothing products such as vests, shoes, clothing, etc. It can be applied to the mask pack.

In addition, although the temperature sensor is illustrated as a type of sensor in the present invention, the present invention is not limited thereto, and the temperature sensor is replaced with a known biosensor, such as body fat, skeletal muscle mass, heart rate, electrocardiogram, stress response, electroencephalogram, blood flow rate, and electromyography. Note that the same biometric information may be measured.

Although one embodiment of the present invention has been described above, the spirit of the present invention is not limited to the embodiments set forth herein, and those skilled in the art who understand the spirit of the present invention, within the scope of the same idea, the addition of components Other embodiments may be easily proposed by changing, deleting, adding, and the like, but this will also fall within the spirit of the present invention.

100,200,300: patch type sensor module 110: base
112: nanofiber 114: fine pores
116: exposure hole 120: antenna pattern
122a, 122b: Terminal terminal 124,125: Insulation layer
130: chemical layer 140,240: circuit board
141: first part 142: second part
143: via hole 144,244: adhesive member
150: temperature sensor 160: driving chip
170: protection member 180: shape holding member

Claims (24)

A base substrate having flexibility and breathability;
An antenna pattern patterned on the first surface of the base substrate;
A chemical liquid layer disposed on the second surface of the base substrate including a functional material;
A circuit board electrically connected to the antenna pattern and mounted with at least one driving chip and disposed on the first surface; And
Patch type sensor module comprising a; temperature sensor mounted on the circuit board to detect the user's body temperature. The method of claim 1,
The base substrate is a patch-type sensor module formed of a nanofiber web of a three-dimensional network structure having fine pores that block moisture and allow air to pass through. The method of claim 2,
The nanofiber web is a patch-type sensor module that is formed by electrospinning a spinning solution mixed with a synthetic polymer and a solvent. The method of claim 1,
The chemical liquid layer is a patch-type sensor module formed of a nanofiber web accumulated by electrospinning a spinning solution containing a functional material, a water-soluble polymer and a solvent. The method of claim 4, wherein
The functional material is a patch-type sensor module comprising a dry storage material difficult to store liquid. The method of claim 1,
The antenna pattern is a patch type sensor module that performs a data transmission role for transmitting the information obtained through the temperature sensor and a power reception role for supplying the driving power required by the driving chip in an energy harvesting method. The method of claim 1,
The circuit board is attached to the first surface of the base substrate via an anisotropic conductive film,
Two terminal terminals respectively formed on both ends of the antenna pattern is a patch type sensor module that is electrically connected to the circuit board through the anisotropic conductive film. The method of claim 7, wherein
The circuit board may include a first portion in which the at least one driving chip is mounted, and a second portion extending from the first portion to cross the antenna pattern, and the terminal terminal of the antenna pattern may be formed in the second portion. Patch type sensor module electrically connected to the. The method of claim 7, wherein
The antenna pattern includes a bridge pattern formed to cross the antenna pattern from one end of either end,
Any one of the two terminal terminals is a patch-type sensor module formed on the end side of the bridge pattern. The method of claim 9,
The bridge pattern is a patch-type sensor module insulated from the antenna pattern via an insulating layer disposed to surround the antenna pattern. The method of claim 7, wherein
The antenna pattern is a patch-type sensor module that is patterned on top of the insulating layer patterned on the first surface of the base substrate. The method of claim 11,
The insulating layer is a patch-type sensor module is formed in the same pattern as the antenna pattern. delete The method of claim 1,
The circuit board is a patch-type sensor module detachably attached to one surface of the base substrate via an adhesive member. The method of claim 1,
Patch-type sensor module is attached to at least one surface of the base substrate to maintain the shape of the base substrate along the edge of the base substrate. The method of claim 1,
The base substrate and the chemical liquid layer are exposed through-holes formed in a region corresponding to the temperature sensor, the temperature sensor is a patch-type sensor module that is exposed to the outside through the exposure hole. The method of claim 1,
The circuit board is a patch-type sensor module to prevent the exposure to the outside through the protective member. A base substrate formed of a nanofiber web having a three-dimensional network structure having fine pores to secure flexibility and breathability, and having an antenna pattern formed on a first surface thereof;
A chemical layer formed of a nanofiber web accumulated by electrospinning a spinning solution containing a functional material, a water-soluble polymer, and a solvent and disposed on a second surface of the base substrate;
A first portion on which at least one driving chip is mounted, and a second portion extending from the first portion to cross the antenna pattern and electrically connected to the antenna pattern; A circuit board attached via an anisotropic conductive film;
A temperature sensor mounted on the circuit board so as to sense a user's body temperature, and disposed in an exposure hole passing through the base material and the chemical layer at the same time; And
And a protective member for preventing the circuit board from being exposed to the outside. A base substrate formed of a nanofiber web having a three-dimensional network structure having fine pores to secure flexibility and breathability, and having an antenna pattern formed on a first surface thereof;
A circuit board mounted on the first surface of the base substrate through an anisotropic conductive film so that at least one driving chip is mounted and electrically connected to the antenna pattern;
A chemical layer formed of a nanofiber web accumulated by electrospinning a spinning solution containing a functional material, a water-soluble polymer, and a solvent and disposed on a second surface of the base substrate;
A temperature sensor mounted on the circuit board to sense a user's body temperature and disposed in an exposure hole through which the base substrate and the chemical liquid layer are simultaneously formed; And
And a protective member for preventing the circuit board from being exposed to the outside. delete delete delete delete delete

Images