KR101792659B1 - Oled light therapy apparatus and method for fabricating the same - Google Patents

Abstract

1. An OLED phototherapy device that attaches to a skin of a human body and performs phototherapy, comprising: a light source module including a first electrode and a second electrode formed on a first substrate; and an OLED organic layer disposed between the first electrode and the second electrode; And a battery module attached to the light source module and including a battery for supplying power to the light source module. The OLED phototherapy apparatus according to an embodiment of the present invention includes:

Description

TECHNICAL FIELD [0001] The present invention relates to an OLED light therapy apparatus and a method of manufacturing the OLED light therapy apparatus.

The present invention relates to a phototherapy device for medical and skin care. More particularly, the present invention relates to an optical therapy apparatus using an OLED and a method of manufacturing the same.

In the medical field, phototherapy is attracting attention as a means of promoting and treating health. Phototherapy is the technique of absorbing light into the skin of the body, activating, regenerating or destroying specific tissues in the skin. In addition, PDT (photodynamic therapy), which is another method of phototherapy, treats diseases by selectively light-accumulating only the diseased cells by emitting light of a specific wavelength to the skin of the PDT material.

Until now, most optical therapy devices are devices using LED (Light Emitting Diode). Since LED has characteristic of point light source and rigid characteristic, it has increased the complexity in producing phototherapy device, The use of a large number of LEDs has led to an increase in the production cost of the phototherapy apparatus. In addition, since the phototherapy device using LEDs has a complicated circuit, portability is poor, and there is an inconvenience that a patient has to go to a hospital to receive phototherapy.

An OLED phototherapy apparatus and a method of manufacturing the same according to an embodiment of the present invention are intended to provide an OLED phototherapy apparatus which can be easily carried by a user.

It is another object of the present invention to provide a flexible OLED phototherapy device which can be attached to various parts of a human body.

An OLED phototherapy apparatus according to an embodiment of the present invention includes:

1. An OLED phototherapy device that attaches to a skin of a human body and performs phototherapy, comprising: a first electrode and a second electrode formed on a first substrate; a light source including an OLED organic layer disposed between the first electrode and the second electrode; module; And a battery module attached to the light source module to supply power to the light source module.

The battery module includes a battery disposed on a second substrate, a third electrode and a fourth electrode disposed on the second substrate such that a part of the battery is in contact with the battery, and when the battery module is attached to the light source module , The first electrode and the third electrode are in contact with each other, the second electrode and the fourth electrode are in contact with each other to generate light in the OLED organic layer, and the generated light can be applied to the skin of the human body have.

In the light source module, the first electrode is deposited on the first substrate, the OLED organic layer is deposited on the first electrode, and the second electrode is deposited on the OLED organic layer Wherein the third electrode and the fourth electrode are deposited on the second substrate so that the battery is attached to an upper portion of the second substrate and each portion of the battery is contacted to the battery Structure.

Wherein the first electrode includes a region extending along a first direction and including a region where an upper surface is exposed to the outside and a region where the second electrode extends along a second direction and an upper surface is exposed to the outside, The third electrode may be attached to an outer exposed region of the first electrode, and the fourth electrode may be attached to an outer exposed region of the second electrode.

The OLED phototherapy device has a structure in which the generated light is transmitted through the first substrate and applied to the skin, the battery module is attached in an upper direction of the first substrate, The surface may be attached to the skin.

A band portion having an adhesive force for attaching to the skin may be disposed under the second substrate.

The first substrate may be made of a material that transmits light generated from the OLED organic layer to the skin.

The OLED phototherapy device has a structure in which the generated light is transmitted to the skin through the battery and the second substrate, the lower surface of the second substrate is attached to the skin, The light source module may be attached to the battery module.

A band portion having an adhesive force for attaching to the skin may be disposed under the first substrate.

Each of the second substrate and the battery may be made of a material for transmitting light generated from the OLED organic layer to the skin.

In the light source module, the first electrode is deposited on the first substrate, the OLED organic layer is deposited on the first electrode, and the second electrode is deposited on the OLED organic layer Wherein a portion of the first electrode and the second electrode extends along the same direction so that an upper surface of the first electrode and the second electrode are exposed to the outside, wherein the battery module has the battery attached to an upper portion of the second substrate, The third electrode and the fourth electrode are deposited on the second substrate so that a part of each of the batteries is in contact with the battery. When the battery module is attached to the light source module, Each of the fourth electrodes may be in contact with a portion of the first electrode and a portion of the second electrode.

When the third electrode, the first electrode, the fourth electrode, and the second electrode are in contact with each other, light emitted from the OLED organic layer may not pass through the battery.

A photodynamic therapy (PDT) material may be applied to at least one of the lower surface of the first substrate and the lower surface of the second substrate.

The first substrate, the first electrode, the second electrode, the OLED organic layer, the second substrate, the battery, the third electrode, and the fourth electrode may be made of a flexible material.

A method of manufacturing an OLED phototherapy apparatus according to another embodiment of the present invention includes:

A method of manufacturing an OLED phototherapy apparatus, comprising: fabricating a light source module by depositing a first electrode, an OLED organic layer, and a second electrode on a first substrate in this order; And depositing a third electrode and a fourth electrode on the second substrate to deposit the battery on the second substrate and to manufacture the battery module, wherein the battery module is mounted on the light source module The first electrode and the third electrode are attached to each other, and the second electrode and the fourth electrode are attached to each other to generate light in the OLED organic layer, and the generated light is applied to the skin of the human body .

Some effects that can be achieved by the OLED phototherapy apparatus and the manufacturing method thereof according to an embodiment of the present invention are as follows.

i) The user is able to receive phototherapy while easily carrying the OLED phototherapy device.

ii) Since it can be attached to various parts of the human body, the inconvenience of the user can be reduced, and the therapeutic effect on the user can be improved.

iii) Through the manufacture of a band-type OLED phototherapy device, the user can make it possible to use it as a disposable.

iv) By using the OLED of the planar light source instead of the LED of the point light source in which heat is generated, the light treatment effect can be improved.

However, effects that can be achieved by the OLED phototherapy apparatus and the manufacturing method thereof according to the embodiment of the present invention are not limited to those mentioned above, and other effects not mentioned can be obtained from the following description. And will be apparent to one of ordinary skill in the art.

1 is a perspective view illustrating an OLED phototherapy apparatus according to an embodiment of the present invention.
2 is a side view of the light source module and the battery module of FIG.
3 (a) is a perspective view showing the structure of a battery module when the OLED phototherapy device has a bottom emission structure, and FIG. 3 (b) Fig. 3 is a perspective view showing the structure of the light source module in the case of Fig.
4 is a perspective view showing an OLED phototherapy apparatus of a top emission structure according to another embodiment of the present invention.
5 is a side view of the light source module and the battery module shown in FIG.
6 is a graph showing a peak wavelength varying according to the thickness of the OLED organic layer.
7 is a flowchart illustrating a method of manufacturing an OLED phototherapy apparatus according to another embodiment of the present invention.
8 is a diagram showing an actual implemented state of the OLED phototherapy apparatus according to an embodiment of the present invention.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is to be understood, however, that the intention is not to limit the invention to the specific embodiments, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. In addition, numerals (e.g., first, second, etc.) used in the description of the present invention are merely an identifier for distinguishing one component from another.

Also, in this specification, when an element is referred to as being "connected" or "connected" with another element, the element may be directly connected or directly connected to the other element, It should be understood that, unless an opposite description is present, it may be connected or connected via another element in the middle.

FIG. 1 is a perspective view showing an organic light emitting diode (OLED) optical therapy apparatus according to an embodiment of the present invention, and FIG. 2 is a side view of the light source module 100 and the battery module 200 of FIG.

Referring to FIG. 1, an OLED phototherapy apparatus according to an embodiment of the present invention includes a light source module 100 and a battery module 200.

The light source module 100 emits light for treating the skin of the human body and the battery module 200 supplies current to the light source module 100 so that light can be emitted from the light source module 100.

First, the light source module 100 includes a first substrate 110, a first electrode 130 positioned on the first substrate 110, a first electrode 130 disposed on the first substrate 110, An OLED organic layer 150 located on top of the OLED organic layer 150, and a second electrode 170 located on top of the OLED organic layer 150. As shown in FIG. 1, a protective layer 190 for protecting the OLED organic layer 150 and the like may be disposed on the second electrode 170. A portion of the first electrode 130 extends in the first direction so that the upper surface of the first electrode 130 is exposed to the outside and a portion 175 of the second electrode 170 is opposed to the first direction, In the second direction.

The first substrate 110, the first electrode 130, the OLED organic layer 150, the second electrode 170, and the protective layer 190 included in the light source module 100 are all made of a flexible material. . The first electrode 110 and the second electrode 170 are formed of a plastic material such as a PET (polyethylene terephthalate) substrate. The first electrode 130 and the second electrode 170 are formed of a metal such as silver (Ag), aluminum (Al), copper The material of the first substrate 110, the first electrode 130 and the second electrode 170 is not limited thereto and may be made of various materials having flexible characteristics. The OLED organic layer 150 generally corresponds to a flexible material.

Next, referring to the battery module 200, the battery module 200 includes a second substrate 210, a battery 250 positioned above the second substrate 210, And a third electrode 230 and a fourth electrode 270 disposed on the second substrate 210.

The second substrate 210, the battery 250, the third electrode 230, and the fourth electrode 270 included in the battery module 200 may all be made of a flexible material. The third electrode 230 and the fourth electrode 270 may be formed of at least one of silver (Ag), aluminum (Al), and copper (Cu). The second substrate 210 may be a plastic substrate such as a PET (polyethylene terephthalate) The material of the second substrate 210, the third electrode 230 and the fourth electrode 270 is not limited thereto and may be made of various materials having flexible characteristics. The flexible battery 250 can be referred to as "http://www.nocutnews.co.kr/news/4522879 ".

The upper surface of the battery module 200 and the upper surface of the light source module 100 are attached to each other so that the first electrode 130 and the third electrode 230 are in contact with each other, The electrode 170 and the fourth electrode 270 may be in contact with each other. Accordingly, current flows through the battery 250, the third electrode 230, the first electrode 130, the second electrode 170, and the fourth electrode 270, Light may be generated in the OLED organic layer 150 positioned between the two electrodes 170. [

2, in order to contact the third electrode 230 with the first electrode 130, the thickness of the third electrode 230 is shown thicker than that of the fourth electrode 270. This is only one example The thickness of the third electrode 230 and the thickness of the fourth electrode 270 can be set as long as the first electrode 130 and the third electrode 230, the second electrode 170 and the fourth electrode 270 can be in contact with each other, May be variously changed.

A case where the light emitted from the OLED organic layer 150 of the light source module 100 is emitted toward the lower direction d1 of the first substrate 110 is referred to as bottom emission, The top emission is referred to as top emission. The direction of attachment to the skin of the human body may vary depending on whether the emission is top emission or top emission.

2, light will be emitted along the lower direction d1 of the first substrate 110, so that light emitted from the OLED organic layer 150 may be emitted from the first substrate 110 The lower surface is attached to the skin of the human body, and the battery module 200 is attached to the light source module 100 in a state where the battery module 200 is inverted as shown in FIG. In this case, in order for the bottom emission light to be applied to the skin, the first substrate 110 should be made of a transparent material capable of transmitting light. Also, the first electrode 130 should be made of a transparent or translucent material capable of transmitting light. When the first electrode 130 is made of aluminum, if the thickness of the aluminum is made thinner, the first electrode 130 can have a property of transmitting light.

In addition, in order to increase the skin adhesion of the OLED phototherapy device, an adhesive band portion 295 may be positioned under the second substrate 210, as shown in FIG. 3 (a). The battery module 200 composed of the second substrate 210, the battery 250, the third electrode 230 and the fourth electrode 270 is transferred to the upper surface of the band portion 295 to form the second substrate 210 The band portion 295 can be positioned at a lower portion of the band portion 295. A viscous portion is present on the upper surface of the band portion 295 shown in FIG. 3 (a). If the battery module 200 is inverted as shown in FIG. 2, the viscous portion of the band portion 295 can be attached to the skin.

2, light will be emitted along the upper direction d2 of the first substrate 110, so that light emitted from the OLED organic compound layer 150 is emitted toward the lower side of the second substrate 210 The surface of the light source module 100 is attached to the skin of the human body, and the light source module 100 is inverted and attached to the battery module 200. In this case, in order for the light emitted from the top to be applied to the skin, the battery 250 and the second substrate 210 should be made of a transparent material capable of transmitting light. Also, the second electrode 170 should be made of a transparent or translucent material capable of transmitting light. Transparent battery 250 can be referred to as "http://techxplore.com/news/2015-09-transparent-lithium-ion-battery-recharges-sun.html ".

In order to increase the skin adhesion of the OLED phototherapy device, an adhesive band portion 195 may be disposed under the first substrate 110 as shown in FIG. 3 (b). The light source module 100 including the first substrate 110, the first electrode 130, the OLED organic layer 150 and the second electrode 170 is transferred to the upper surface of the band portion 195 to form a first substrate The band portion 195 can be positioned at a lower portion of the band portion 195. The viscous portion of the band portion 195 is attached to the skin when the light source module 100 is turned over for contact with the battery module 200 .

FIG. 4 is a perspective view showing an OLED phototherapy apparatus of a top emission structure according to another embodiment of the present invention, and FIG. 5 is a side view of the light source module 300 and the battery module 400 shown in FIG.

The OLED phototherapy apparatus shown in FIGS. 4 and 5 has a top emission structure of light, and according to the OLED phototherapy apparatus shown in FIGS. 4 and 5, there is no need to configure the battery 450 as a transparent battery .

Referring to the light source module 300, the light source module 300 includes a first substrate 310, a first electrode 330 disposed on the first substrate 310, and a second electrode 330 disposed on the first electrode 330 An OLED organic layer 350, and a second electrode 370 located on the OLED organic layer 350. The band portion 395 may be positioned on the lower surface of the first substrate 310 as described above. In the light source module 300 shown in FIG. 4, the first and second electrodes 330 and 370 partially extend in the same direction so that the upper surface of the first electrode 330 may be exposed to the outside.

The battery module 400 includes a second substrate 410, a battery 450 disposed on the second substrate 410, and a second battery 450, And a third electrode 430 and a fourth electrode 470 positioned on the substrate 410.

5, when the battery module 400 is attached to the light source module 300 with the battery module 400 turned upside down, a part of the area 335 of the first electrode 330 and the third electrode 430 are attached to each other A portion 375 of the second electrode 370 and the fourth electrode 470 are attached to each other to cause light in the OLED organic layer 350 to be generated.

5, when the battery module 400 and the light source module 300 are attached to each other, the battery 450 does not exist on the OLED organic layer 350, so that the light L Does not need to be transmitted through the battery 450, thereby eliminating the need to configure the battery 450 as a transparent battery.

In the OLED phototherapy apparatus according to an embodiment of the present invention, either one of the first electrodes 130 and 330 and the second electrodes 170 and 370 may be a transparent or translucent (OLED) organic light emitting diode (OLED) organic light emitting diode (OLED) organic light emitting diode (OLED) organic light emitting diode (OLED) organic light emitting diode The magnitude of the wavelength corresponding to the peak value of the generated light and the half-width of the light can be adjusted.

FIG. 6 is a graph showing peak wavelengths varying depending on the thicknesses of the OLED organic layers 150 and 350, and FIG. 6 is a graph showing changes in wavelengths corresponding to the peak values of light according to the thicknesses of the OLED organic layers 150 and 350 .

That is, in the OLED phototherapy apparatus according to an embodiment of the present invention, light of a specific wavelength can be generated in the OLED phototherapy apparatus according to an appropriate selection of material and thickness. Accordingly, it is possible to implement an OLED phototherapy apparatus in which light of different wavelengths is generated according to purposes. As an example, an OLED phototherapy device having a wavelength of 660 nm at a peak value may be implemented for an effect of whitening and skin regeneration, or an OLED phototherapy device having a wavelength of 830 nm at a peak value may be implemented for a pain relief effect.

In some embodiments, the wavelength of the light may be controlled by placing a color filter at a location where light is transmitted through the OLED phototherapy device.

7 is a flowchart illustrating a method of manufacturing an OLED phototherapy apparatus according to another embodiment of the present invention.

In step S710, the light source modules 100 and 300 including the first substrates 110 and 310, the first electrodes 130 and 330, the OLED organic layers 150 and 350, and the second electrodes 170 and 370 are manufactured do.

More specifically, the first electrodes 130 and 330 are deposited on the first and second substrates 110 and 310, respectively. At this time, the deposition process may include thermal evaporation. The first electrodes 130 and 330 may be an anode electrode or a cathode electrode. Next, the OLED organic layers 150 and 350 are deposited on the first electrodes 130 and 330 and the second electrodes 170 and 370 are deposited on the OLED organic layers 150 and 350 . When the first electrodes 130 and 330 are anode electrodes, the second electrodes 170 and 370 may be cathode electrodes. When the first electrodes 130 and 330 are cathode electrodes, the second electrodes 170 and 370 May be an anode electrode. When depositing the first electrodes 130 and 330 and the second electrodes 170 and 370, a mask may be used to deposit the first electrodes 130 and 330 and the second electrodes 170 and 370 as shown in FIGS. If the OLED phototherapy device has a top emission structure, band portions 195 and 395 may be further attached to the lower portion of the first substrate 110 and 310.

In step S720, the battery modules 200 and 400 including the second substrates 210 and 410, the batteries 250 and 450, the third electrodes 230 and 430, and the fourth electrodes 270 and 470 are manufactured .

Specifically, the batteries 250 and 450 are positioned on the second substrates 210 and 410, and the third electrodes 230 and 430 and the fourth electrodes 270 and 470 are partially connected to the batteries 250 and 450 The third electrodes 230 and 430 and the fourth electrodes 270 and 470 are deposited on the second substrates 210 and 410 to be in contact with each other. Also in this case, the mask can be used so that the third electrodes 230 and 430 and the fourth electrodes 270 and 470 are formed in the shapes shown in FIGS. If the OLED phototherapy apparatus has a bottom emission structure, a band portion 295 may be further attached to the lower portion of the second substrate 210.

According to the OLED phototherapy apparatus according to an embodiment of the present invention, the user can carry the phototherapy by attaching it to various parts of the skin while easily carrying it. Further, by using the planar light source OLED instead of the LED of the point light source in which heat is generated, the light treatment effect can be improved.
8 is a diagram showing an actual implemented state of the OLED phototherapy apparatus according to an embodiment of the present invention.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims. You will understand. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100, 300: Light source module
110, 310: a first substrate
130, 330: first electrode
150, 350: OLED organic layer
170, 370: second electrode
190, 390: protective layer
195, 295, 395:
200, 400: Battery module
210, 410: a second substrate
230, 430: third electrode
250, 450: Battery
270, 470: fourth electrode

Claims (15)

1. An OLED phototherapy device that attaches to a skin of a human body and performs phototherapy,
A light source module including a first electrode and a second electrode formed on a first substrate, and an OLED organic layer disposed between the first electrode and the second electrode; And
And a battery module attached to the light source module to supply power to the light source module,
The battery module includes:
A battery disposed on the second substrate, and a third electrode and a fourth electrode disposed on the second substrate such that a part thereof contacts the battery,
When the battery module is attached to the light source module, the third electrode is in contact with the first electrode, the upper surface of which is partially exposed to the outside, and the fourth electrode is a second electrode, Wherein light is generated in the OLED organic layer, and the generated light is applied to the skin of the human body.
delete The method according to claim 1,
The light source module includes:
Wherein the first electrode is deposited on the first substrate, the OLED organic layer is deposited on the first electrode, and the second electrode is deposited on the OLED organic layer,
The battery module includes:
And the third electrode and the fourth electrode are deposited on the second substrate so that the battery is attached to the upper portion of the second substrate and each of the third electrode and the fourth electrode is in contact with the battery. Treatment device.
The method of claim 3,
Wherein the first electrode comprises:
And a region extending along the first direction and having an upper surface exposed to the outside,
Wherein the second electrode comprises:
And a region extending along the second direction and having an upper surface exposed to the outside,
Wherein the third electrode is attached to an exterior exposed region of the first electrode and the fourth electrode is attached to an exterior exposed region of the second electrode.
The method according to claim 1,
The OLED phototherapy apparatus comprises:
And the generated light is transmitted through the first substrate and applied to the skin,
Wherein the battery module is attached in an upper direction of the first substrate and the lower surface of the first substrate is attached to the skin.
6. The method of claim 5,
In the lower portion of the second substrate,
And a band portion having an adhesive force for attaching to the skin is positioned.
6. The method of claim 5,
Wherein the first substrate comprises:
Wherein the light is transmitted through the skin to the light generated from the OLED organic layer.
The method according to claim 1,
The OLED phototherapy apparatus comprises:
And the generated light is transmitted through the battery and the second substrate to be applied to the skin,
Wherein the lower surface of the second substrate is attached to the skin and the light source module is attached to the battery module in an upper direction of the second substrate.
9. The method of claim 8,
In the lower portion of the first substrate,
And a band portion having an adhesive force for attaching to the skin is positioned.
9. The method of claim 8,
Each of the second substrate and the battery,
And a material for transmitting light generated from the OLED organic layer to the skin.
The method according to claim 1,
The light source module includes:
Wherein the first electrode is deposited on the first substrate, the OLED organic layer is deposited on the first electrode, and the second electrode is deposited on the OLED organic layer, The first electrode and a portion of the second electrode extend along the same direction so that the upper surface is exposed to the outside,
The battery module includes:
Wherein the third electrode and the fourth electrode are deposited on the second substrate so that the battery is attached to an upper portion of the second substrate and a portion of each of the batteries contacts the battery,
Wherein when the battery module is attached to the light source module, each of the third electrode and the fourth electrode is in contact with a part of the first electrode and a part of the second electrode.
12. The method of claim 11,
Wherein light emitted from the OLED organic layer does not pass through the battery when the third electrode, the first electrode, the fourth electrode, and the second electrode are in contact with each other.
The method according to claim 1,
At least one of a lower surface of the first substrate and a lower surface of the second substrate,
Wherein a PDT (photodynamic therapy) material is applied.
The method according to claim 1,
The first substrate, the first electrode, the second electrode, the OLED organic layer, the second substrate, the battery, the third electrode,
Wherein the OLED phototherapy device is made of a flexible material.
A method of manufacturing an OLED phototherapy apparatus,
Depositing a first electrode, an OLED organic layer, and a second electrode on the first substrate in this order to manufacture a light source module; And
Placing a battery on a second substrate and depositing a third electrode and a fourth electrode on the second substrate to be attached to the battery,
When the battery module is attached to the light source module, the third electrode is in contact with the first electrode, the upper surface of which is partially exposed to the outside, and the fourth electrode is a second electrode, Wherein light is generated in the OLED organic layer, and the generated light is applied to the skin of the human body.

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