WO2021153893A1

WO2021153893A1 - Light emitting device for treating skin during sleep

Info

Publication number: WO2021153893A1
Application number: PCT/KR2020/017560
Authority: WO
Inventors: 김효준
Original assignee: (재)예수병원유지재단
Priority date: 2020-01-29
Filing date: 2020-12-03
Publication date: 2021-08-05
Also published as: KR102183590B1

Abstract

The present invention relates to a light emitting device for treating the skin during sleep, comprising: a light emitting unit for emitting single wavelength therapy light at the skin of a sleeping user; a recognition unit for recognizing a region at which light is emitted by the light emitting unit; and a control unit for checking the user's sleep state on the basis of the recognition result of the recognition unit and controlling the driving of the light emitting unit so that light is emitted by avoiding dangerous areas, and thus treatment can be performed by emitting, at the scalp or the face, single wavelength light that is necessary for skin treatment during the user's sleep.

Description

Light irradiator for skin treatment during sleep

The present invention relates to a light irradiation device, and more particularly, to a light irradiation device for skin treatment during sleep, which treats the skin by irradiating light of a single wavelength during sleep.

In general, in modern society, due to various adult diseases caused by pollution, stress, obesity, or lack of exercise, diagnosis or treatment based on Korean and Western medicine alone is not sufficient, so health management and treatment methods applying various alternative medicines are emerging.

Color therapy is a health care and treatment method that has been attracting attention relatively recently, and it is applied to health care and treatment equipment that colored light having a unique wavelength has different effects on the human body depending on the wavelength.

Looking at what is known about the effects of light therapy, the red color has the effect of relieving redness by promoting blood circulation, the scarlet color has the effect of relieving inflammation and activating the functions of the brain or kidney, and the orange color has the effect of insulin requirement Green color stimulates the sympathetic nervous system, improves kidney and liver function, and has a detoxifying effect on pollutants. In addition, blue has the effect of relieving insomnia by stabilizing the psychological state, and has effects on asthma, respiratory diseases, muscular atrophy, digestive disorders, ulcers, thyroid dysfunction, etc. It is possible and has the effect of stabilizing the heartbeat, the pink color has a greater effect on the mental aspect than the body, so it has the effect of energizing the mind and body, the yellow color has an effect on cold treatment, and the magenta color has a headache and It is known to have the effect of relieving migraine headaches as well as providing psychological stability.

For example, the following Patent Documents 1 and 2 disclose a skin irradiator technology using light.

Recently, various types of skin light irradiators such as portable or stationary types such as masks or massagers to which LEDs are applied to implement various functions such as infrared and red light, bipolar high-frequency energy, galvanic ions, and microcurrent have been developed.

However, the skin irradiator according to the prior art should spend time in the course of life to treat the skin.

And there was a problem that the skin light irradiator according to the prior art is not applied to the function of recognizing the area to which light is irradiated for skin treatment and avoiding the dangerous area.

For this reason, the skin light irradiator according to the prior art has a problem that may cause harm to the human body, such as damage to the retina by the light irradiated from the LED during use.

(Patent Document 1) Korean Patent Registration No. 10-1324255 (Notice on November 1, 2013)

(Patent Document 2) Korean Patent Publication No. 10-2016-0129429 (published on November 9, 2016)

An object of the present invention is to solve the above problems, and to provide a light irradiator capable of treating the skin during sleep so as to be sustainable without extra time or effort for treatment.

Another object of the present invention is to provide a light irradiator capable of recognizing a light irradiation site for skin treatment, and avoiding a dangerous site based on the user's sleep state.

Another object of the present invention is to provide a light irradiator capable of suppressing noise generation so as not to disturb sleep, and treating the skin without interfering with activities in bed.

In order to achieve the object as described above, the light irradiation device according to the present invention is a light irradiator for irradiating a single wavelength of light that can be treated to the skin of a sleeping user, and a recognition unit for recognizing a region irradiated with light from the light irradiator. and a control unit for controlling the driving of the light irradiation unit to inspect the user's sleep state based on the recognition result of the recognition unit, and to irradiate the light by avoiding a dangerous part.

As described above, according to the light irradiation device according to the present invention, the effect of irradiating light of a single wavelength required for skin treatment such as the scalp or face during the user's sleep can be obtained.

Accordingly, according to the present invention, the effect that the user can conveniently treat and manage the skin without stress is obtained.

And according to the present invention, by monitoring the user's sleep state, in particular, movement in real time during sleep and changing the angle and range of light irradiation, the skin treatment effect is maximized, and the light is prevented from being irradiated to the eye area. The effect of being able to prevent the risk of powdery eyes, etc. due to irradiation is obtained.

In addition, according to the present invention, noise generation is suppressed so as not to disturb sleep, and the effect of being able to treat the skin without interfering with activity in bed is obtained.

1 is a block diagram of a light irradiation device according to a preferred embodiment of the present invention;

2 and 3 are exemplary views showing the operating state of the light irradiation device shown in Fig. 1, respectively;

Figure 4 is a flow chart explaining step-by-step the operation method of the light irradiation device according to a preferred embodiment of the present invention.

Hereinafter, a light irradiation device for skin treatment during sleep according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a light irradiating apparatus according to a preferred embodiment of the present invention, and FIGS. 2 and 3 are exemplary views showing an operating state of the light irradiating apparatus shown in FIG. 1, respectively.

2 shows an operating state during scalp treatment, and FIG. 3 shows an operating state during facial treatment.

Hereinafter, terms indicating directions such as 'left', 'right', 'front', 'rear', 'up' and 'downward' are defined as indicating each direction based on the state shown in each figure. do.

The present invention is applied to a bed where a user sleeps, and during sleep, a single wavelength light is irradiated to a part to be treated, such as a user's face or scalp, from the headboard of the bed to treat the corresponding part.

In particular, the present invention recognizes the part to which light is irradiated and the user's sleep state, and avoids dangerous parts according to the recognition result and irradiates light to prevent injury to the user, such as retinal damage or burns.

In addition, according to the present invention, the location and direction to which light is irradiated according to the area to be treated, such as the scalp and face, can be changed to effectively treat the area.

In detail, as shown in FIG. 1, the light irradiation device 10 according to a preferred embodiment of the present invention includes a light irradiation unit 20 that irradiates a single wavelength of light that can be treated to the skin of a sleeping user, the light The light irradiator 20 to inspect the sleep state based on the recognition result of the recognition unit 30 and the recognition unit 30 for recognizing the area to which light is irradiated from the irradiation unit 20, and to irradiate the light by avoiding the dangerous area and a control unit 40 for controlling the operation of the .

And the light irradiation device 10 according to a preferred embodiment of the present invention may further include an input unit 50 for receiving a user's operation command and a power supply unit 60 for supplying power to each device.

The input unit 50 includes an operation switch 51 including a power switch and an emergency stop switch, and a setting button 42 for selecting an operation mode and setting the operation mode by inputting additional information such as operation time and intensity of the selected operation mode. ) may be included.

For example, the operation mode may include a scalp mode for treating the user's scalp and a facial mode for treating the user's face.

Of course, the operation mode may further include an automatic mode for alternately treating the scalp and face.

The power supply unit 60 may receive commercial power supplied to the bedroom to supply power to each device provided in the light irradiation device 10 .

The light irradiation unit 20 and the recognition unit 30 are installed on the headboard 12 of the bed 11 to face the sleeping user, as shown in FIGS. 2 and 3 .

The light irradiator 20 operates according to the control signal of the control unit 40 and transmits the light emitted from the plurality of LEDs 21 and LEDs 21 to emit light, and the barrel and lens 22 to irradiate the user's skin. ) may be included.

The plurality of LEDs 21 functions to irradiate light of a single wavelength effective for the treatment of various skin diseases.

For example, the plurality of LEDs 21 irradiate light with a wavelength of about 550 nm during scalp treatment operation, and irradiate light with a wavelength of about 415 nm for treatment of inflammation in adolescents or adults during facial treatment, or It can be irradiated with light in the 633nm wavelength band for the purpose of skin regeneration.

In addition, the plurality of LEDs 21 may be arranged along a plurality of columns and rows on the front surface of the headboard 12 .

The light emitted from the LED 21 may pass through a barrel and a lens having a preset length and focal length to be irradiated to a region to be treated.

Here, the region to which the light irradiated from the light irradiating unit 20 is irradiated (hereinafter referred to as an 'irradiation region') is divided into pixel regions having a plurality of columns and rows, and the light irradiated from each LED 21 is divided into the divided angles. The pixel area is irradiated.

Each LED 21 may be installed in a state in which a light irradiating direction and an irradiating range are fixed so as to irradiate light to each divided pixel area.

In addition, the light irradiation unit 20 may further include a driving module 23 for adjusting the height of the light irradiation unit 20 by lifting and lowering the headboard 21 in the vertical direction.

That is, in the scalp mode, as shown in FIG. 2 , the driving module 23 moves the upper end of the headboard 20 downward so that the light irradiated from the light irradiation unit 20 is irradiated to the user's scalp.

For example, in the case of scalp treatment operation in a single bed, the irradiation area is divided into a plurality of pixel areas having a vertical length of about 30 cm and a horizontal length of about 100 cm with an area of about 1 cm 3 , and the LED 21 . may be provided with about 3000 LEDs whose irradiation angle and range are adjusted to face each pixel area.

In addition, the amount of power of each LED 21 is set to about 5 mW, and each LED 21 can irradiate light having a wavelength of about 550 nm.

And in the face mode, the driving module 23 moves the upper end of the headboard 12 upward as shown in FIG.

For example, during the facial treatment operation, the plurality of LEDs 21 and the camera module 31 of the recognition unit 30 to be described below are about 30 cm to 60 cm from the mattress by the upward movement of the headboard 12 . It can be placed at a height.

In addition, the plurality of LEDs 21 may irradiate light in a wavelength band of about 415 nm for the treatment of inflammation in adolescents or the like, or irradiate light in a wavelength band of 633 nm for the purpose of skin regeneration in adults.

The recognition unit 30 includes a camera module 31 that divides the irradiation area into a plurality of areas, and generates an image by photographing the divided areas to overlap each other.

The camera module 31 may be provided with a plurality of infrared cameras capable of detecting a user's body temperature.

For example, the camera module 31 may be configured by disposing 120 infrared cameras whose shooting angle and shooting range are adjusted so as to respond to infrared rays and shoot an area of about 25 cm 2 between the LED 21 arrays.

In addition, the recognition unit 30 may further include a plurality of pressure sensors 32 for detecting the pressure applied when the user lies on the bed.

A plurality of pressure sensor 32 is installed spaced apart by a predetermined interval along a plurality of columns and rows on the bed body or the upper surface of the mattress, and the detection signal output from each pressure sensor 32 is transmitted to the control unit 40 .

Accordingly, the control unit 40 may use the detection signal of each pressure sensor 32 to check whether the user is lying in bed and the movement of the user during sleep.

The control unit 40 recognizes the user's sleep state using the image captured by the camera module 31 and the detection signal of the pressure sensor 32, and the light irradiation unit 20 to avoid the dangerous part according to the recognized sleep state. ) to control the drive.

To this end, the control unit 40 selectively operates the plurality of LEDs 21 provided in the light irradiation unit 20 according to the sleep state inspection unit 41 for inspecting the user's sleep state and the result of inspecting the sleep state, and sets the and a signal generator 42 for generating a control signal for controlling the driving of the driving module 23 according to the operation mode.

And the control unit 40 may further include a memory 43 for storing various programs for driving the light irradiation device (10).

The sleep state may include information such as a user's posture and movement, a skin state including a body temperature of a portion irradiated with light, a facial structure, and the like.

For example, as shown in FIG. 2 , during the scalp treatment operation, the sleep state inspection unit 41 uses the image captured by the camera module 31 to recognize the user's movement, the location of the skin, and the hair loss area to determine whether or not to sleep. and determining the state, and determining the irradiation area in real time.

And as shown in FIG. 3 , during the face treatment operation, the sleep state inspection unit 41 uses the image captured by the camera module 31 to target the user's face, the user's movement, the facial structure, and the position and irradiation of the eyes. By recognizing the skin area to be used, it is possible to evaluate whether or not to sleep and to determine the irradiation area in real time.

In addition, the sleep state inspection unit 41 examines whether the operation stop state continues for a preset time to assume a sleep state in the image taken by the camera module 31, and recognizes the scalp exposed for hair loss treatment, The facial part can be recognized for facial treatment.

On the other hand, the control unit 40 stops the operation of the LED 21 when a preset time elapses after operating the LED 21 during the operation of the light irradiation unit 20, and the temperature of the skin recognized by the recognition unit 30, That is, it is possible to determine whether to operate or stop the LED 21 again according to the result of examining the sleep state, such as body temperature and movement, and change the irradiation position.

For example, the signal generating unit 42 irradiates light to the irradiation area for a preset irradiation time, for example, at an interval of 10 seconds, and when a user's movement is sensed while irradiating the light, immediately stop the light irradiation. A control signal can be generated.

And when the irradiation time elapses, the signal generator 42 stops light irradiation for a preset rest time, for example, about 3 seconds, and when the skin temperature excessively rises before the rest time elapses, it is normal A control signal can be generated to stop the irradiation until the body temperature returns.

In addition, when a total irradiation time of 30 minutes has elapsed, the signal generator 42 may have a rest period for 1 hour, and then generate a control signal to repeat the above-described process.

In this way, the present invention can be treated by irradiating light of a single wavelength required for skin treatment during sleep, without the user having to spend time for skin treatment on the scalp or face.

Accordingly, the present invention can enable the user to conveniently treat and manage the skin without stress.

In addition, the present invention monitors the user's sleep state, particularly movement, in real time during sleep to change the angle and range of light irradiation, thereby maximizing the skin treatment effect and preventing light from being irradiated to the eye area, thereby irradiating light It is possible to prevent the risk of powdery eyes, etc.

Next, a method of operating a light irradiation device according to a preferred embodiment of the present invention will be described with reference to FIG. 4 .

4 is a flowchart illustrating a step-by-step method of operating a light irradiation device according to a preferred embodiment of the present invention.

When the power switch provided in the input unit 50 is turned on in step S10 of FIG. 4 , the power supply unit 60 supplies external commercial power to each device.

Then, the control unit 40 initializes each device and sets an operation mode according to a user's operation command input through the input unit 50 .

At this time, the user operates the setting button 52 provided in the input unit 50 to set the scalp mode for scalp treatment or the face mode for face treatment, or set an automatic mode for alternately performing scalp and face treatment. there is.

In step S14, the control unit 40 drives the driving module 23 according to the set operation mode to raise or lower the headboard to adjust the height of the LED 21 and the camera module 31, and operate the LED 21 to control the operation of the light irradiator 20 to irradiate light to the skin area to be treated.

At this time, the control unit 40 examines whether the operation stop state continues for a preset time to assume the sleep state, and the recognition unit 30 recognizes the exposed scalp during the hair loss treatment operation, and during the face treatment operation recognize the face

Then, the control unit 40 drives the LED 21 to irradiate light on the skin such as the scalp or face, and then stops the operation of the LED 21 when a preset time elapses, It is determined whether to operate or stop the LED 21 again according to the result of checking the sleep state such as temperature, that is, body temperature and movement, and the irradiation position is changed.

To this end, in step S16, the camera module 31 and the pressure sensor 32 provided in the recognition unit 30 generate an image by photographing the irradiation area irradiated with light, respectively, and sense the pressure applied by the user. .

Then, the sleep state inspection unit 41 of the control unit 40 inspects the user's sleep state using the image captured by the camera module 31 and the detection signal of the pressure sensor 32 .

At this time, the sleep state inspection unit 41 examines whether the operation stop state continues for a preset time to assume a sleep state in the image taken by the camera module 31, and recognizes the scalp exposed for hair loss treatment, The facial part can be recognized for facial treatment.

Then, the control unit 40 stops the operation of the LED 20 when a preset time elapses after operating the LED 21 for skin treatment, and the temperature of the skin recognized by the recognition unit 30, that is, body temperature and movement Depending on the result of examining the sleep state, it is possible to determine whether to operate the LED 21 again or stop it, and change the irradiation position.

In step S18, the sleep state inspection unit 41 checks whether there is a change in the recognized sleep state, and if there is no change in the sleep state as a result of the inspection, proceeds to step S16 and repeats the subsequent process.

On the other hand, when a change in the sleep state occurs as a result of the inspection in step S18, the sleep state inspection unit checks whether the user wakes up and sleep is stopped (S20).

If the inspection result of step S20 is still in the sleep state, the control unit 40 controls the operation of the light irradiation unit 20 to avoid the dangerous part by changing the irradiation position according to the changed sleep state (S22). Next, the control unit 40 proceeds to step S16 and repeats the subsequent process.

On the other hand, when sleep is stopped as a result of the inspection in step S20, the control unit 40 stops driving of each device and ends.

Through the process as described above, the present invention can be treated by irradiating light of a single wavelength required for skin treatment such as the scalp or face during the user's sleep.

Although the invention made by the present inventors has been described in detail according to the above embodiments, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the gist of the present invention.

The present invention is applied to a light irradiation device technology that irradiates and treats light of a single wavelength required for skin treatment such as the scalp or face during the user's sleep.

Claims

A light irradiator that irradiates a single wavelength of light to the sleeping user's skin,

Recognition unit for recognizing the irradiation area to which light is irradiated from the light irradiation unit,

an input unit that receives a user's operation command;

a power supply that supplies power to each device; and

A control unit that sets an operation mode according to a manipulation command input through the input unit, inspects the user's sleep state based on the recognition result of the recognition unit, and controls the driving of the light irradiator to avoid dangerous areas and irradiate light including,

The operation mode includes a scalp mode for irradiating light to the user's scalp and a facial mode for irradiating light to the user's face,

The light irradiation unit operates according to a control signal of the control unit, a plurality of LEDs emitting light;

A barrel and a lens that transmits the light emitted from the LED and irradiates it to the user's skin, and

and a driving module for adjusting the height of the light irradiating unit and the recognizing unit by lifting and lowering the headboard of the bed installed toward the sleeping user by the light emitting unit and the recognizing unit,

the irradiation area is divided into a pixel area having a plurality of columns and rows;

The plurality of LEDs are installed in a state in which light is irradiated and the irradiation range is fixed so as to irradiate light to each divided pixel area,

The light irradiation unit and the recognition unit descend to correspond to the height of the scalp when operating in the scalp mode by the driving module and irradiate light to the scalp,

When operating in the face mode, the light is irradiated to the face by raising it to a higher position than when operating in the scalp mode,

The light irradiator irradiates light in a wavelength band of 550 nm in the scalp mode,

In the face mode, irradiating light in a wavelength band of 415 nm, or irradiating light in a wavelength band of 633 nm,

The recognition unit divides the irradiation area into a plurality of areas, and a camera module for generating an image by superimposing each divided area;

It includes a plurality of pressure sensors that detect the pressure applied when the user lies on the bed,

The camera module is provided with a plurality of infrared cameras for detecting the user's body temperature,

The control unit includes a sleep state inspection unit for inspecting the user's sleep state, and

A signal generator that selectively operates a plurality of LEDs provided in the light irradiation unit according to the result of examining the sleep state, and generates a control signal for controlling the operation of the driving module according to a set operation mode,

The irradiation to recognize the user's sleep state using the information transmitted from the recognition unit, and to avoid the dangerous part according to the recognized sleep state to prevent harm to the human body by the light irradiated to the user's skin. Controls the driving of the light irradiator by determining the area in real time,

When a preset time elapses after operating the LED of the light irradiation unit, the operation of the LED is stopped,

Determines whether to operate or stop the LED again according to the result of examining the sleep state recognized by the recognition unit, and controls the operation of the light irradiation unit to change the position where the light is irradiated,

The sleep state includes a user's posture and movement, a skin state including the body temperature of a light-irradiated area, and a facial structure.