WO2021080069A1

WO2021080069A1 - Mask-type skin care apparatus using light and control method therefor

Info

Publication number: WO2021080069A1
Application number: PCT/KR2019/014698
Authority: WO
Inventors: 김태현
Original assignee: 주식회사 지티지웰니스
Priority date: 2019-10-25
Filing date: 2019-11-01
Publication date: 2021-04-29
Also published as: KR20210049396A

Abstract

The present invention relates to a mask-type skin care apparatus using light, and a control method therefor, the apparatus using an application and a camera loaded in a portable mobile communication terminal (smartphone), so as to accurately detect the condition of facial skin, and controlling an operation, light emission time, light output, and the like of a light source having a color suitable for the detected condition of the skin, thereby enabling maximization of a skin care effect, and the mask-type skin care apparatus according to the present invention comprises: a mask main body worn on the facial region of a user; a plurality of light sources mounted on the inner surface of the mask main body so as to emit light; a camera loaded in a portable mobile communication terminal of the user so as to acquire an image of the facial region of the user; a reference kit which is captured together with the image of the facial region of the user when same is captured through the camera, and on which a plurality of colors are shown; a condition-of-skin diagnosis unit for detecting information about the condition of the skin in the facial region of the user through the colors of the reference kit and the image of the facial region of the user, captured by means of the camera; and a light control unit for controlling the operation of the light sources according to the information about the condition of the skin in the facial region, detected through the condition-of-skin diagnosis unit.

Description

Mask-type skin beauty device using light and its control method

The present invention relates to a device that emits light for facial skin care, and more particularly, a camera and an app mounted on a user's portable mobile communication terminal (also referred to as a'smartphone'). The present invention relates to a mask-type skin beauty apparatus using light, and a control method thereof, capable of detecting a skin condition and controlling the operation of a light source of a color suitable for the detected skin condition, light emission time, and light output.

Cosmetics are widely used as a method of maintaining youthful beauty by managing facial skin so that it does not lose its elasticity.

However, under the stratum corneum of the skin epidermis, a protective wall is formed and protected by a thick protein protective layer, and since the epidermis and dermal layers of the skin are separated by this protein protective layer, cosmetic products with excellent skin protection effects are used as biomaterials are added. Even so, there is a limit to removing wastes accumulated in the dermal layer, and the effect of skin protection is very insufficient because the nutrition of cosmetics cannot penetrate deep into the dermal layer.

In order to improve such a problem, various types of skin beauty devices have recently been known to beauty skin using far-infrared rays or vibrations.

However, when using the conventional skin beauty device, a user or a beauty manager (hereinafter referred to as'user') has to operate while continuously holding the beauty device in contact with the face, so there is inconvenience in operation.

In order to solve this problem, in Korean Patent Application Publication No. 10-2019-0103077, a face-shaped mask body, a detection sensor installed inside the mask body to detect the condition of the wearer's facial skin, and an array installed inside the mask body It includes a plurality of LEDs that irradiate light having a wavelength corresponding to the control mode to the face skin of the mask body wearer during the light irradiation time corresponding to the control mode selected according to the facial skin condition of the mask body wearer detected by the detection sensor. Thus, the LED light irradiation time and wavelength are automatically selected according to the skin condition of the LED mask wearer, enabling active LED irradiation, so an LED mask has been disclosed that allows users without specialized knowledge about the skin to easily use it. .

However, since it is difficult to accurately detect the condition of the user's facial skin tone, pigmentation, wrinkles, etc., in the skin care device using light like the conventional LED mask described above, the light optimized for the user's skin condition is transmitted. There is a problem that is difficult to provide.

In addition, a technology for measuring the skin condition of the face using a camera and controlling light based on this has also been developed, but it is difficult to accurately detect the skin condition because the skin color, etc., are different depending on the shooting environment or camera performance. There is.

In other words, since there is a difference in the color of the image acquired when shooting with the camera in natural light conditions and the color of the image acquired when shooting under fluorescent or LED lighting, the color of the image is determined according to the lighting environment, The performance of the image sensor mounted on the camera also significantly affects the color analysis of the image.

The present invention is to solve the above problem, and an object of the present invention is to accurately determine the skin condition of the face by using a camera and an app mounted on a user's portable mobile communication terminal (called a'smartphone'). Provides a mask-type skin care device and a control method using light that can maximize skin beauty effects by detecting and controlling the operation of a light source with a color suitable for the detected skin condition, light emission time, and light output. It is to do.

A mask-type skin beauty apparatus according to the present invention for achieving the above object comprises: a mask body worn on a user's face; A plurality of light sources mounted on the inner surface of the mask body to emit light; A camera mounted on a user's portable mobile communication terminal to obtain an image of a user's face; A reference kit that is photographed together when photographing an image of a user's face through the camera, and in which a plurality of colors are displayed; A skin condition diagnosis unit that detects information on the skin condition of the user's face through the image of the user's face photographed by the camera and the color of the reference kit; And a light control unit for controlling the operation of the light source according to the skin condition information on the face area detected through the skin condition diagnosis unit.

The light source may include a plurality of LED light sources that emit visible light and near-infrared (NIR) light.

The light control unit may control a wavelength, a light irradiation time, and an amount of light of the LED light source according to skin condition information.

The skin condition diagnosis unit is mounted on the user's portable mobile communication terminal, and can be activated through an app of the portable mobile communication terminal.

The reference kit may be formed in the form of a card or strip in which gray scales are arranged in a row.

The control method of the mask-type skin beauty apparatus according to the present invention described above,

(S1) a step of simultaneously photographing a user's face part and a reference kit using a camera of a portable mobile communication terminal;

(S2) detecting, by a skin condition diagnosis unit, information on the skin condition of the user's face through the image of the user's face photographed by the camera and the color of the reference kit; And,

(S3) controlling, by a light control unit, an operation of the light source according to the skin condition information on the face area detected through the skin condition diagnosis unit;

It may include.

In step S2, the skin condition diagnosis unit may detect information on the skin condition of the face region by correcting the color of the skin of the user's face region through the color of the reference kit.

In addition, the light source includes a plurality of LED light sources that emit visible light and near-infrared light, and in step S3, the light control unit may control the wavelength, light irradiation time, and amount of light of the LED light source according to skin condition information.

According to the present invention, an image of a user's face is obtained using a camera of a smartphone carried by the user, and based on this image, an LED light optimized for the condition of the skin is irradiated to the skin to improve the skin. It can be maximized.

In particular, the present invention captures a reference kit at the same time when photographing a face part with a camera of a portable mobile communication terminal to acquire images of the face part and the reference kit together, and determines the color of the reference kit when analyzing skin conditions such as skin tone or pigmentation. Since the color of the skin image of the face area is corrected and calculated as a reference, the skin condition can be accurately detected.

1 is a front view showing the configuration of a mask-type skin beauty apparatus according to an embodiment of the present invention.

2 is a view viewed from the rear showing the configuration of a mask-type skin beauty apparatus according to an embodiment of the present invention.

3 is a block diagram showing the configuration of a mask-type skin beauty apparatus according to an embodiment of the present invention.

4 is a flowchart illustrating a method of controlling a mask-type skin care apparatus according to an embodiment of the present invention, and is a flowchart illustrating a process performed in a portable mobile communication terminal.

5 is a flowchart illustrating a method of controlling a mask-type skin beauty apparatus according to an embodiment of the present invention, and is a flowchart illustrating a process performed by a light control unit.

The embodiments described in the present specification and the configurations shown in the drawings are only preferred examples of the disclosed invention, and there may be various modified examples that can replace the embodiments and drawings of the present specification at the time of filing of the present application.

Hereinafter, with reference to the accompanying drawings, a mask-type skin beauty apparatus and a control method thereof will be described in detail according to embodiments described below. In the drawings, the same reference numerals indicate the same components.

1 to 3 show the configuration of a mask-type skin beauty apparatus according to an embodiment of the present invention, a mask body 10 worn on the face of a user, and mounted on the inner surface of the mask body 10 to provide light A camera that acquires an image of a user's face by being mounted on a plurality of light sources 20 that emit light, and a user's portable mobile communication terminal (called a'smart phone' and indicated by a reference numeral '50' in the drawing) (51), a reference kit 30 in which a plurality of colors are displayed as being taken together when a user's face portion image is captured through the camera 51, an image of the user's face portion photographed by the camera 51 And a skin condition diagnosis unit 52 that detects information on the skin condition of the user's face through the color of the reference kit 30, and facial skin condition information detected through the skin condition diagnosis unit 52 It includes a light control unit 40 for controlling the operation of the light source 20 according to the.

The mask body 10 is worn on the user's face. Here, the face may include not only the user's face but also the user's neck. For convenience, the mask body 10 that has a shape corresponding to the user's face and is worn on the face is referred to as a face mask 11, and the mask body 10 worn on the user's neck is referred to as a neck mask 12. .

The face mask 11 and the neck mask 12 may be configured separately as shown in the drawing, but differently, they may be configured integrally with each other, and any one of the face mask 11 and the neck mask 12 It may not be configured.

A plurality of light sources 20 that emit light of a predetermined wavelength band toward the skin are arranged on the inner surfaces of the facial mask 11 and the neck mask 12, that is, on the surfaces that are in contact with the face and neck.

The light source 20 may include a plurality of LED light sources that emit red-based visible light, green-based visible light, and blue-based visible light and near-infrared (NIR) light. The LED light source 20 emits light by a control signal applied from the light control unit 40. The light emitted from the LED light source 20 is known to be effective for skin treatment, regeneration, and beauty. For example, the blue-based (400 ~ 430 ㎚ wavelength band of LED light) destroys the bacteria that cause acne, alleviates inflammation, and improves the overall skin condition. In addition, the red-based LED light ( 645 ~ 670 ㎚ wavelength band) is effective for skin tone improvement and skin regeneration, and yellow LED light (580 ~ 600 ㎚ wavelength band) is effective for pigmentation, and 760 ~ 1000 ㎚ wavelength band near infrared ( NIR) light is known to have an effect on skin regeneration, so if visible light and near-infrared light suitable for skin conditions are used alone or in combination and irradiated with light in a desired wavelength band, the cosmetic effect can be maximized.

In order to detect the skin condition on the user's face, the camera 51 mounted on the user's portable mobile communication terminal 50, a separate reference kit 30, and the skin condition are measured from the acquired image. The skin condition diagnosis unit 52 is used.

The reference kit 30 may be formed of a card or strip-shaped structure in which gray scales are arranged in a row or color indexes are displayed, but may be formed of various types of structures in which gray scales or color indexes are displayed. The reference kit 30 is composed of a separate structure, and is simultaneously photographed when the user photographs the face part with the camera 51 of the portable mobile communication terminal 50, and the color is applied when the skin condition diagnosis unit 52 analyzes the image. It is used as a reference index. That is, when the camera 51 only photographs the user's face part, the color of the face part in the image may be changed according to the external lighting environment at the time of photographing, so that it may not be possible to accurately diagnose the skin condition. Since the kit 30 is arranged in grayscale or color index, it is possible to accurately analyze the skin condition by correcting the color of the image of the face area based on the color of the grayscale.

The skin condition diagnosis unit 52 analyzes the skin condition of the user's face through the image of the user's face that is captured and acquired by the camera 51 and the color of the reference kit 30, and stores information about this. To detect. The skin condition diagnosis unit 52 extracts the image of the face part and the reference kit 30 from the image, compares and analyzes the extracted image with the skin image input to the database, and analyzes the skin tone, pigmentation, and skin conditions such as wrinkles. Is detected.

The information on the skin condition of the face area detected by the skin condition diagnosis unit 52 is transmitted to the light control unit 40 through a wireless communication module 53 mounted in the portable mobile communication terminal 50.

The light control unit 40 includes a wireless communication module 42 to receive information on the skin condition of the face area detected by the skin condition diagnosis unit 52 from the portable mobile communication terminal 50. The wireless communication module 42 includes Bluetooth, mobile communication network, wireless LAN (WLAN, Wireless LAN), Wi-Fi, Wibro, Wimax, and high-speed downlink packet access (HSDPA, High Speed). It can be configured by using a communication module to which a wireless communication method such as Downlink PacketAccess) is applied.

The light control unit 40 is electrically connected to the LED light source 20 and controls a signal applied to the LED light source 20 according to the skin condition information transmitted from the skin condition diagnosis unit 52. For example, when there are many wrinkles on the forehead and around the eyes of the face, and there is a lot of pigmentation on the cheeks, the LED light source 20 corresponding to the forehead and around the eyes is mainly composed of red LED light and near-infrared (NIR) LED light. It is irradiated, and the cheek part is irradiated with yellow LED light. At this time, the light control unit 40 controls the irradiation time and output of the LED light to appropriately control the amount of light.

The control signal applied from the light control unit 40 to the LED light source 20 is pre-converted by the skin condition diagnosis unit 52 into control signal data that must be applied to the LED light source 20 according to the skin condition, and then the light control unit ( 40), but upon receiving skin condition information from the light control unit 40, control signal data to be applied to the LED light source 20 is calculated based on this, and applied to the plurality of LED light sources 20 Thus, it may be configured to control the LED light according to the skin condition.

A method of controlling such a mask-type skin beauty device will be described with reference to FIGS. 4 and 5 as follows.

First, the user activates the app of the portable mobile communication terminal 50, selects a photographing mode, and then simultaneously photographs the user's face part and the reference kit 30 using the camera 51 to capture the face part and the reference kit 30. ) Is acquired (step S1).

Subsequently, the skin condition diagnosis unit 52 analyzes and detects information on the skin condition of the user's face through the color of the image of the user's face photographed by the camera and the image of the reference kit 30. The skin condition detection is performed by calibrating the color of the skin of the user's face based on the color of the reference kit 30.

The skin condition diagnosis unit 52 determines a treatment mode according to the skin condition according to the detected skin condition information. At this time, the wavelength of the LED light source, the treatment time for each wavelength, and the treatment intensity are determined and stored.

When a data request is received from the light control unit 40, the stored skin treatment mode is transmitted to the light control unit 40 through the wireless communication module 53 mounted on the portable mobile communication terminal 50.

The light control unit 40 applies a control signal to the LED light source 20 provided in the mask body 10 based on the treatment mode data according to the skin condition information received through the wireless communication module 42 to enter the treatment mode. The resulting LED light is irradiated to improve skin tone, pigmentation, and wrinkle removal.

In the above, the present invention has been described in detail with reference to examples, but those of ordinary skill in the art to which the present invention pertains will be able to make various substitutions, additions, and modifications within the scope not departing from the technical idea described above. It is natural, and it should be understood that such modified embodiments also belong to the scope of protection of the present invention defined by the appended claims.

The present invention relates to a device that emits light for facial skin care, and can be worn on the face, and it is possible to perform skin care or treatment by emitting light of a color suitable for the skin condition of the wearer from a light source such as an LED light source. It can be applied to a mask-type skin beauty device.

Claims

A mask body worn on the user's face;

A plurality of light sources mounted on the inner surface of the mask body to emit light;

A camera mounted on a user's portable mobile communication terminal to obtain an image of a user's face;

A reference kit that is photographed together when photographing an image of a user's face through the camera, and in which a plurality of colors are displayed;

A skin condition diagnosis unit that detects information on the skin condition of the user's face through the image of the user's face photographed by the camera and the color of the reference kit; And,

A light control unit for controlling the operation of the light source according to the skin condition information on the face area detected through the skin condition diagnosis unit;

Mask-type skin beauty device comprising a.
The mask-type skin care device of claim 1, wherein the light source is made of a plurality of LED light sources that emit visible light and near-infrared (NIR) light.
The mask-type skin beauty apparatus of claim 2, wherein the light control unit controls a wavelength, a light irradiation time, and an amount of light of the LED light source according to skin condition information.
The mask-type skin care device of claim 1, wherein the skin condition diagnosis unit is mounted on a user's portable mobile communication terminal and activated through an app of the portable mobile communication terminal.
The apparatus of claim 1, wherein the reference kit is a mask-type skin care device in the form of a card or band in which gray scales are arranged in a line.
A method for controlling a mask-type skin beauty apparatus according to any one of claims 1 to 5, comprising:

(S1) a step of simultaneously photographing a user's face part and a reference kit using a camera of a portable mobile communication terminal;

(S2) detecting, by a skin condition diagnosis unit, information on the skin condition of the user's face through the image of the user's face photographed by the camera and the color of the reference kit; And,

(S3) controlling, by a light control unit, an operation of the light source according to the skin condition information on the face area detected through the skin condition diagnosis unit;

Control method of a mask-type skin beauty device comprising a.
The control of a mask-type skin care device according to claim 6, wherein in the step S2, the skin condition diagnosis unit corrects the color of the skin of the user's face using the color of the reference kit to detect information on the skin condition of the face. Way.
The method of claim 6, wherein the light source comprises a plurality of LED light sources emitting visible light and near-infrared light,

In the step S3, the light control unit controls the wavelength, light irradiation time, and amount of light of the LED light source according to skin condition information.