WO2019240564A1

WO2019240564A1 - Detachable function module for acquiring biometric data and head-mounted display including same

Info

Publication number: WO2019240564A1
Application number: PCT/KR2019/007286
Authority: WO
Inventors: 채용욱; 박정호; 최헌영; 신승찬
Original assignee: 주식회사 룩시드랩스
Priority date: 2018-06-15
Filing date: 2019-06-17
Publication date: 2019-12-19

Abstract

A detachable function module for acquiring biometric data according to an embodiment of the present invention comprises a biometric data acquisition module detachable from a head-mounted display and contacting the skin of a user to acquire biometric data. According to an embodiment of the present invention, a plurality of biometric data acquisition modules which are selectively detachable from the head-mounted display are provided to detect and analyze specificity of brainwaves or gaze movements of a user who is checking a virtual reality image, thereby not only verifying the user's recognition and emotional state in real time, but also controlling a function of the head-mounted display by using gaze location information and brainwave information of the user.

Description

Removable function module for biometric data acquisition and head mounted display device including the same

The present invention relates to a detachable function module for obtaining biometric data and a head mounted display device including the same. More specifically, the present invention relates to a detachable function module for detaching a head mounted display device and obtaining biometric data of a user. The present invention relates to a head mounted display device including the same.

In general, a head-mounted display (HMD) is formed in a structure that can be worn on a user's head so that the user can experience a spatial and temporal experience that is similar to reality. It is a display device that provides.

The head mounted display device includes a main body formed in a goggle shape to be worn on a user's eyes, and a wearing part formed in a band shape to be connected to the main body to fix the main body to a user's head. . Here, as a means for outputting the virtual reality image, the main body is provided with a portable terminal device such as a smartphone or a display device connected to a PC or the like such as a monitor.

However, the conventional head-mounted display device is manufactured so that the user can only visually check the image output from the image output unit installed in the portable terminal device, so the utilization is low, and the kind of content provided in the image output unit is extremely There was a limited problem.

In addition, conventionally, in order to add an additional function in addition to a function of outputting an image to the head mounted display device, it was necessary to newly manufacture a head mounted display device in which the additional function was added. there was.

In addition, the conventional head-mounted display device is not easy to maintain or replace the hardware or software connected to the functional part because it is impossible to replace or repair parts by part even when a functional part that implements a specific function cannot be easily maintained. There was a problem to be increased.

For example, the conventional head-mounted display device is provided with a cushioning portion to be in close contact with the user's face when the user is wearing, the cushioning portion is formed of a material having a cushioning feeling such as a sponge is attached to one surface of the body.

However, since the shock absorbing portion is integrally formed with the main body, it is impossible to replace it when it is deformed or broken, so that the user may replace the entire head mounted display apparatus or may change the head mounted display apparatus while the shock absorbing portion is deformed or broken. There was a problem that must be used.

The present invention has been made to solve the above problems, an object of the present invention is to provide a plurality of functional modules that can measure the user's biometric data, removable on the head-mounted display device, the physical and cognitive of the user In addition, the present invention provides a detachable function module for acquiring biometric data capable of detecting an emotional change and allowing replacement by parts as necessary, and a head mounted display device including the same.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

Removable function module for biometric data acquisition according to an embodiment of the present invention for solving the above problems is removable biometric data acquisition module, the biometric data acquisition module that can obtain the biometric data in contact with the user's skin; includes .

The biometric data acquisition module includes a face support mask detachable from the head mounted display device; And a biosignal detection sensor installed on the face support mask and capable of obtaining the biometric data when the user contacts the skin of the user.

The face support mask may include a frame portion in which a through hole is formed; And a buffer unit installed at the frame unit and configured to be supported by the face of the user.

The frame part may include a first support part configured to face the forehead portion of the user; And a second support part extending from the first support part and configured to face the user's temporal part and the vast part of the user.

The face support mask may further include an elastic member surrounding the frame part and the buffer part, elastically supporting the biosignal detection sensor, and forming a buffer space between the buffer part and the frame part. .

The biometric data acquisition module may further include a connector installed in the face support mask and electrically connected to the biosignal detection sensor and connectable to a socket provided in the head mounted display device.

The biometric data acquisition module may further include a coupling unit installed at the face support mask and configured to fix the face support mask to the head mounted display device.

The biosignal sensor may be in contact with the user's forehead to detect an EEG signal of the user.

The biosignal detection sensor may contact at least one of the user's temporal part and the clown part to detect at least one of a user's heartbeat signal, an electrocardiogram signal, an EMG signal, and a skin temperature signal.

The biosignal detection sensor may be formed of a rigid material or a flexible material.

The biosignal detection sensor may include: a support ring installed at the face support mask; A guide housing fastened to the support ring and having a guide hole formed along a central axis direction; An electrode unit installed in the guide housing and linearly movable along the guide hole; And an elastic support member installed in the guide housing to elastically support the electrode part.

The biosignal detection sensor may include: a flexible substrate installed on the face support mask; And an electrode part formed at a predetermined thickness on the flexible substrate.

The biosignal detection sensor may further include a conductive elastic support attached to the electrode and configured to be supported by the user's skin.

In addition, the detachable function module for obtaining biometric data according to another embodiment of the present invention is a detachable function module for obtaining biometric data that is detachable to a head mounted display device, and is a first living body capable of contacting the skin of a user and obtaining first biometric data. A data acquisition module; A second biometric data acquisition module capable of capturing a face of a user accommodated in the first biometric data acquisition module to acquire second biometric data; And a connection module electrically connected to the first biometric data acquisition module and the second biometric data acquisition module to transmit the first biometric data and the second biometric data to an external device.

The first biometric data acquisition module may be configured to be detached from the head mounted display device, the second biometric data acquisition module, and the connection module.

The first biometric data acquisition module may include: a face support mask detachable from the head mounted display device; And a biosignal detection sensor installed on the face support mask and capable of obtaining the first biometric data when the user contacts the skin of the user.

The second biometric data acquisition module may include: a cover unit installed on the head mounted display device and disposed on one side of a lens and detachable from the first biometric data acquisition module; And a photographing unit installed on the cover unit and capable of capturing at least a portion of a user's face accommodated in the first biometric data acquisition module.

The connection module may include a housing detachable to the first biometric data acquisition module; A control unit installed in the housing to transmit the first biometric data and the second biometric data to the external device; A socket unit installed in the housing and electrically connected to the controller, the first biometric information acquisition module, and the second biometric information acquisition module, and configured to transfer the first biometric data and the second biometric data to the controller; It may include.

In addition, the head-mounted display device according to an embodiment of the present invention includes a removable function module for biometric data acquisition according to an embodiment of the present invention.

According to an embodiment of the present invention, the head mounted display apparatus includes a plurality of detachable biometric data acquisition modules, which detects the specificity of the brain wave or gaze movement of the user who is checking the virtual reality image and analyzes the specificity of the user to recognize the user. In addition, the emotional state can be checked in real time, and the function of the head mounted display device can be controlled using the gaze position information and the brain wave information of the user.

In addition, by detecting and analyzing the specificity of the brain wave or gaze movement of the user who is checking the virtual reality image, the user's cognitive and emotional state can be checked in real time, so that the user's current state or content corresponding to the user's intention is provided to the user. It can be provided in real time, and further, the development of content utilizing the physical change information of the user can be made.

In addition, as the content corresponding to the current state of the user or the intention of the user may be provided to the user in real time, various contents may be provided to the user to improve the user's experience satisfaction.

In addition, by being formed in a removable module form, it is applicable to various types of head-mounted display device to increase the usability of the product, even if any one of the plurality of functional modules are damaged or modified, only the corresponding functional module It can be replaced or repaired, which can be easy to maintain.

1 is a perspective view showing a head mounted display device equipped with a removable function module for obtaining biometric data according to an embodiment of the present invention.

FIG. 2 is a front view illustrating a frame part of the face support mask shown in FIG. 1.

3 is a longitudinal sectional view of a face support mask.

4 is a view schematically showing a wearing process of the face support mask.

FIG. 5 is a front view illustrating a buffer unit installed in the frame unit of FIG. 2.

6 is a schematic cross-sectional view of a modified embodiment of a biosignal sensor.

7 is a front view of a face support mask.

8 is a view schematically showing another modified embodiment of the biosignal detection sensor.

9 is a schematic cross-sectional view of a connector.

10 is a rear view of the face support mask.

11 is a front view illustrating another embodiment of a biosignal detection sensor.

12 and 13 are cross-sectional views schematically illustrating a state in which the biosignal detection sensor of FIG. 11 is installed in a face support mask.

14 is an exploded perspective view showing a detachable functional module for obtaining biometric data according to an embodiment of the present invention.

15 is a perspective view illustrating a second biometric data acquisition module.

16 is a cross-sectional view schematically illustrating a state in which the first biometric data acquisition module and the connection module are coupled to each other.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings.

All. Embodiments described herein may be variously modified. Specific embodiments are depicted in the drawings and may be described in detail in the detailed description. However, the specific embodiments disclosed in the accompanying drawings are only for easily understanding the various embodiments. Therefore, the technical spirit is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and scope of the invention.

Terms including ordinal numbers such as first and second may be used to describe various components, but these components are not limited by the terms described above. The terms described above are used only for the purpose of distinguishing one component from another.

As used herein, the terms "comprises" or "having" are intended to indicate that there is a feature, number, step, action, component, part, or combination thereof described on the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof. When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between.

On the other hand, "module" or "unit" for the components used in the present specification performs at least one function or operation. The module or unit may perform a function or an operation by hardware, software, or a combination of hardware and software. In addition, a plurality of “modules” or a plurality of “parts” other than “modules” or “parts” to be executed in specific hardware or executed in at least one processor may be integrated into at least one module. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In addition, in describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be abbreviated or omitted.

1 is a perspective view illustrating a head mounted display apparatus 200 equipped with a detachable function module 100 for obtaining biometric data according to an exemplary embodiment of the present invention.

Referring to FIG. 1, a detachable function module 100 for obtaining biometric data (hereinafter, referred to as a detachable function module 100 for obtaining biometric data) according to an exemplary embodiment of the present invention is selectively selected for the head mounted display apparatus 200. It is removable, and it is possible to obtain the biometric data of the user wearing the head mounted display device 200.

Here, the head-mounted display device 200 that can be detachable from the detachable function module 100 for obtaining the biometric data is formed in a structure that can be worn on the user's head so that the user can have a spatial and temporal experience similar to the reality. A display device that provides a virtual reality (VR) image, and may include a wearing unit and a display main body.

The wearing part may be formed in a band shape that may be worn around the head of the user, and may have an inner diameter adjusting part to adjust the size of the inner diameter on one side.

The display main body is supported by the wearable part to be in close contact with the user's face, and is connected to a PC inside to provide a user with a video output unit (not shown) and a plurality of images transmitted from the image output unit to the user. Lenses 200a may be provided. In addition, the display main body may further include a processor, a memory for storing and executing program data, a storage unit, a communication port for communicating with an external device, a user interface device such as a touch panel, a key, a button, and the like. have.

For example, the detachable functional module 100 for obtaining biometric data may be applicable to all head mounted display devices including the above-described configuration, and may be preferably applied to currently commercially available head mounted display devices such as the VIVE model of HTC. have.

In addition, the removable functional module 100 for biometric data acquisition includes a biometric data acquisition module 110.

The biometric data acquisition module 110 may be detachable from the head mounted display device 200 and may be in contact with the skin of the user to acquire biometric data.

Hereinafter, the biometric data acquisition module 110 will be described in more detail with reference to FIGS. 1 to 13.

FIG. 2 is a front view illustrating the frame part 1111a of the face support mask 111 shown in FIG. 1, FIG. 3 is a longitudinal cross-sectional view of the face support mask 111, and FIG. 4 is worn of the face support mask 111. A schematic diagram of the process. In addition, FIG. 5 is a front view showing a state where the buffer part 1111b is installed in the frame part 1111a of FIG. 2, and FIG. 6 is a cross-sectional view schematically showing a modified embodiment of the biosignal detection sensor 112. 7 is a front view of the face support mask 111. 8 is a view schematically showing another modified embodiment of the biosignal detection sensor 112, FIG. 9 is a cross-sectional view schematically showing the connector 113, and FIG. 10 is a view of the face support mask 111. Back view.

1 and 4, the biometric data acquisition module 110 may include a face support mask 111 mountable on the head mounted display device 200.

The face support mask 111 is installed on the head mounted display device 200 that provides a virtual reality image to the user, and when the user wears the face support mask 111, the face support display device 200 is supported on the user's face. can do.

1 to 3, the face support mask 111 may include a mask body 1111.

The mask body 1111 is formed in a curved structure along the width direction (Y-axis direction) and the height direction (Z-axis direction) of the mask body 1111 and is provided in the head mounted display apparatus 200 inside. A through-hole 1111aa may be formed to communicate the lens 200a with the user's eye.

In addition, the mask body 1111 may be formed to be detachable to the head mounted display device 200.

1 and 10, the mask body 1111 may be provided with a coupling part 114 installed in the mask body 1111 and fixing the mask body 1111 to the head mounted display apparatus 200.

The coupling unit 114 is installed on the other surface of the mask body 1111 opposite to one surface of the mask body 1111 on which the biosignal detection sensor 112, which will be described later, is disposed, and a plurality of edges of the mask body 1111 are provided. Can be installed in the area. For example, the coupling part 114 may be formed in a velcro shape. However, the coupling unit 114 is not limited thereto and may be changed and applied in various forms within a range capable of performing the same function. For reference, the head mounted display apparatus 200 may be provided with another coupling portion (not shown) that can be coupled to the coupling portion 114 provided in the face support mask 111.

In addition, the mask body 1111 may include a frame portion 1111a.

Referring to FIGS. 2 and 4, the frame part 1111a may be formed to face the forehead of the user and the user's eyes around the user's forehead and the user's forehead when the user wears the body. have. In addition, a see-through hole 1111aa in which the user's eyes and the user's nose may be positioned inside the frame part 1111a.

The frame portion 1111a will be described in more detail.

2 and 4, the frame part 1111a may include a first support part 1111a1 and a second support part 1111a2.

The first support 1111a1 may be disposed to face the forehead of the user when the user wears the first support 1111a1. In addition, a mounting groove recessed in a predetermined depth along one direction (the X-axis direction of FIG. 4) may be formed at the inner center of the first support part 1111a1 so that the connector 113 to be described later may be installed. Here, the through hole may be formed in the mounting groove so that a part of the connector 113 installed in the mounting groove may be exposed to the outside of the frame part 1111a. For example, the mounting groove may further include a fastening part (not shown) for fixing the connector 113 to the first support part 1111a1.

Referring back to FIGS. 2 and 4, the second support 1111a2 is masked from one side and the other end of the first support 1111a1 along the width direction (the Y-axis direction of FIG. 2) of the mask body 1111. It may extend curvedly below the main body 1111. Here, the curved extension toward the lower side of the mask body 1111 means that the curvature extends downward from the end of the mask body 1111 along the height direction (Z-axis direction in FIG. 2) of the mask body 1111. can do. In addition, the second support 1111a2 extends in a vertical direction from an end of the first support 1111a1 with reference to FIG. 2 so that the second support 1111a2 may be disposed to face the temporal and the vast portions of the user's face when worn by the user. And a second extension part extending in a horizontal direction from an end portion of the first extension part. Accordingly, inside the first support part 1111a1 and the second support part 1111a2, a sight hole 1111aa may be formed to accommodate the user's eyes and the user's nose. On the other hand, although not shown in the drawing, the second support portion 1111a2 may be formed in a structure capable of length adjustment along the height direction (Z-axis direction of FIG. 2) of the mask body 1111. At this time, the length adjusting member (not shown) guides the movement of the second support part 1111a2 inside the first support part 1111a1 and the second support part 1111a2 and fixes the second support part 1111a2 moved to a predetermined position. ) May be provided. Therefore, the user using the face support mask 111 can stably support the head mounted display apparatus 200 by adjusting the length of the second support part 1111a2 to suit the position of his / her eyes and nose.

For example, the frame part 1111a may be formed of a plastic material or a carbon material having a predetermined strength against bending. In addition, a plurality of through holes penetrating the frame part 1111a may be formed in the frame part 1111a to make the frame part 1111a lighter. However, the frame part 1111a is not limited thereto and may be applied to various materials.

In addition, the mask body 1111 may include a buffer portion 1111b.

3 and 4, the shock absorbing part 1111b is installed on one surface of the frame part 1111a facing the user's face and is supported by the user's face when the user wears the head mount display device 200. The load can be evenly distributed over the user's face. For example, the buffer part 1111b may be formed in the form of a foam (FOAM) of PE material having a predetermined thickness. However, the buffer unit 1111b is not limited thereto, and may be applied to a material such as sponge, gel (GEL), latex, air foam, etc. to perform the same function. In addition, the shock absorbing part 1111b may be installed on one surface of the frame part 1111a as illustrated in FIG. 5 and disposed along an edge area of the frame part 1111a.

In addition, the mask body 1111 may further include an elastic member 1111c.

3 and 4, the elastic member 1111c is formed of an elastic fabric material having elasticity to surround the frame part 1111a and the buffer part 1111b, and the biosignal sensor 112 to be described later. ) Can be elastically supported. Here, a buffer space 1111ca may be formed between the buffer part 1111b disposed in the edge region of the frame part 1111a and the frame part 1111a. Therefore, when the user wears, the elastic member 1111c is pressed against the user's forehead, pushed toward the buffer space 1111ca, and extended outwards to elastically deform into a shape corresponding to the user's forehead, thereby elastic member 1111c. The biosignal detection sensor 112 installed inside of the can be completely in close contact with the user's forehead. For example, the elastic member 1111c may be formed of a material having a higher modulus of elasticity than the buffer part 1111b. In addition, the surface of the elastic member 1111c may be formed of nylon or suede material or the like so as to minimize frictional force upon contact with the skin.

That is, the face support mask 111 is supported on the face of the user on one side of the mask body 1111, and the shock absorbing portion 1111b for distributing the load of the head mounted display apparatus 200 to the face of the user, and the elastic fabric. When formed of a material and is pressed to the forehead of the user by having an elastic member (1111c) is extended to the outside for close contact with the user's forehead, it is possible to secure a surface that the bio-signal sensor 112 is in contact with the skin. . In addition, the head mounted display apparatus 200 may be stably supported on the user's face to prevent the head mounted display apparatus 200 from being separated from the user's face by the user's movement. In addition, the biosignal detection sensor 112 is in close contact with the user's forehead, thereby preventing the play between the user's skin and the biosignal detection sensor 112, thereby leaving the biosignal detection sensor 112 Can be prevented. In addition, the biosignal sensor 112 is elastically supported, thereby minimizing pressure applied to the user's forehead, thereby leaving marks on the user's skin or minimizing the occurrence of pain.

In addition, the biometric data acquisition module 110 may further include a connector 113 connectable to the socket 133 provided in the head mounted display apparatus 200.

3 and 9, the connector 113 is installed in the mask body 1111 of the face support mask 111 and electrically connected to the biosignal detection sensor 112, which will be described later, and the head mounted display apparatus 200. It may be connected to the socket portion 133 provided in). Herein, the connector 113 may be coupled to the socket 133 provided in the head mounted display apparatus 200 using magnetic force. For example, the connector 113 is electrically connected to the connector housing 1131 installed in the mask body 1111, the biosignal detection sensor 112, and the pin portion 1132 disposed at the inner center of the connector housing 1131, And a magnet 1133 disposed around the pin portion 1132. For reference, the socket unit 133 provided in the head mounted display apparatus 200 is connected to the pin unit 1132 to transmit a signal of the pin unit 1132 to a control unit (not shown) and a signal transmission unit (not shown) and the pin unit. Only when the 1132 coincides with the center of the signal transmission unit, a magnetic part (not shown) coupled to the magnet 1133 of the connector 113 may be provided.

In addition, the biometric data acquisition module 110 may include a biosignal detection sensor 112.

3 and 4, the biosignal detection sensor 112 may be installed in the face support mask 111 to be electrically connected to the connector 113 and to acquire biometric data when the user contacts the skin of the user.

More specifically, the biosignal detection sensor 112 is installed on one side of the mask body 1111 that faces the user's face when the user wears it, and the elastic member 1111c of the mask body 1111 when the user wears it. It is elastically supported and in contact with the user's skin. Accordingly, when power is applied to the head mounted display apparatus 200, the biosignal detection sensor 112 detects a biosignal of a user and electrically connects the detected biosignal to the headmount display apparatus 200. To send. Here, the EMI shield (Electro Magnetic Interference Shield) processing for the electromagnetic shielding may be additionally performed on the biosignal detection sensor 112.

In addition, the biosignal detection sensor 112 may be formed of a rigid material.

In more detail, the biosignal detection sensor 112 may be formed of a metal material and have a disk shape installed through the elastic member 1111c.

Referring to FIG. 6, the biosignal detection sensor 112 may be formed in a structure that can be in close contact with the user's forehead using a disk-shaped electrode itself elastic force.

In more detail, the biosignal detection sensor 112 is installed in the mask body 1111 and is linearly moved in one direction when the external force is applied from the outside and compressed, and linearly moved in the other direction by the elastic force when the external force is released. It may be formed of an elastic support structure to be restored to the state of.

The biosignal detection sensor 112 formed of an elastic support structure will be described in more detail.

The biosignal detection sensor 112 may include a support ring 1121, a guide housing 1122, an electrode unit 1123, and an elastic support member 1124.

The support ring 1121 may be formed in a circular ring shape in which a press-in groove is formed toward an inner center along a circumference thereof and may be installed in the mask body 1111. For example, the support ring 1121 may be installed in a form pressed into the mask body 1111.

The guide housing 1122 may be fastened to the inside of the support ring 1121, and guide holes 1122a may be formed therein along the central axis direction. The step of limiting the movement of the electrode unit 1123 may be formed in the guide housing 1122. For example, an outer circumferential surface of the guide housing 1122 and an inner circumferential surface of the support ring 1121 may be formed with threads that may be fastened to each other.

The electrode unit 1123 may be installed in the guide housing 1122 and disposed in a linearly movable state along the guide hole 1122a. One side and the other side of the electrode unit 1123 may protrude to the outside of the guide housing 1122, respectively. Here, one side of the electrode unit 1123 may be formed with a protruding piece that is supported by a step formed in the guide housing 1122.

The elastic support member 1124 is installed in the guide housing 1122, and is formed in the form of a coil spring to elastically support the electrode unit 1123.

On the other hand, the biosignal detection sensor 112 formed of an elastic support structure may be installed on the elastic member 1111c of the mask body 1111, or may be installed on the buffer part 1111b provided on one surface of the frame part 1111a. For reference, when the biosignal detection sensor 112 is installed in the shock absorbing portion 1111b, the shock absorbing portion 1111b corresponds to one surface of the frame portion 1111a so as to be in direct contact with the skin of the user when the user wears it. It may be formed in a shape that is. In this case, the mask body 1111 may be formed in a structure in which the elastic member 1111c is not installed.

In addition, the biosignal sensor 112 may be formed of a flexible material.

In more detail, the biosignal detection sensor 112 may be formed in a form that is detachable to one surface of the elastic member 1111c by plating a thin film electrode on a flexible substrate.

11 is a front view illustrating another embodiment of the biosignal sensor 112, and FIGS. 12 and 13 are cross-sectional views schematically illustrating a state in which the biosignal sensor 112 according to FIG. 11 is installed on a face support mask.

Referring to FIG. 11A, the biosignal detection sensor 112 may include a flexible substrate 1126 installed on the mask body 1111 and an electrode portion 1123 having a predetermined thickness on one surface of the flexible substrate 1126. ) May be included.

The flexible substrate 1126 is manufactured in the form of a flexible flexible circuit board (FPCB), and includes a first region 1126a having a plurality of electrode portions 1123 formed on one side, and a first region 1126a. The second region 1126b may extend to be electrically connected to the connector 113. For example, the first region 1126a is formed in a radial structure in which the plurality of linear substrates 11262 extend from the center substrate 11261 toward different directions, and each of the linear substrates 11262 has a thin-film electrode portion ( 1123 may be formed. The second region 1126b may be formed in a linear structure extending from the first region 1126a to a predetermined length in one direction.

Referring to FIGS. 11A and 12, the electrode portions 1123 are formed on the plurality of linear substrates 11262 extending radially from the center substrate 11261, and the plating, vapor deposition, and printing methods are performed. Through each of the linear substrate can be formed to a predetermined thickness. For example, the electrode unit 1123 is applied to gold (Au) for accurate biosignal detection, and may be formed to a thickness of less than 1 mm.

In addition, the biosignal detection sensor 112 may further include a conductive elastic support 1127.

Referring to FIG. 13, the conductive elastic support 1127 may be attached to one surface of the electrode unit 1123 to be supported on the skin of the user when the user wears it. For example, the conductive elastic support 1127 may have an adhesive layer (not shown) formed on one surface thereof, and may be formed of a protruding hydrogel having a predetermined thickness. Accordingly, even when sweat or other secretions occur while the biosignal sensor 112 is in contact with the user's skin and measures the biosignal of the user, accurate biosignal measurement may be possible by preventing impedance changes caused by the secretion. have.

In addition, the biosignal detection sensor 112 may further include a protective sheet 1128 supporting the flexible substrate 1126.

Referring to FIG. 11B, the protective sheet 1128 is made of a plastic or carbon material, is formed in a shape corresponding to the flexible substrate 1126, and is attached to one surface of the flexible substrate 1126 to form a flexible substrate ( 1126). In addition, a plurality of through holes 1128a may be formed in the protective sheet 1128 so that one surface of the electrode part 1123 may be exposed to the external space.

Meanwhile, the conductive elastic support 1127 may be additionally attached to the protective sheet 1126 as needed.

In addition, the biological signal detecting sensor 112 may be disposed opposite to the frontal lobe when the user wears to detect an EEG signal of the user.

2 and 4, the biosignal detection sensor 112 may be disposed at a position opposite to the forehead portion of the user when the user wears it. That is, the biosignal detection sensor 112 may be disposed at a position opposite to one surface of the first support part 1111a1 positioned at the user's forehead when the user wears the biosignal sensor 112. Here, the biosignal detection sensor 112 may be provided in plurality. Referring to FIG. 7, the plurality of biosignal detection sensors 112 may include a ground, a reference, and a measurement unit channel1 and channel2. For example, the ground portion and the reference portion are disposed at positions corresponding to the central portion of the first support portion 1111a1 and are spaced apart by a predetermined distance along the height direction (Z-axis direction) of the mask body 1111. Can be. The measurement units channel1 and channel2 may be formed along the width direction (Y-axis direction) of the mask body 1111 based on the center portion of the first support part 1111a1 where the ground part and the reference part are located. 1 may be disposed opposite to each other on one side and the other side of the support (1111a1). For example, a plurality of measuring units channel1 and channel2 disposed to face each other may be provided.

In addition, the biosignal detection sensor 112 may be disposed opposite to the temporal part and the clown part when the user wears to detect the biosignal of the user.

2 and 7, the biosignal detection sensor 112 may be disposed at a position opposite to the user's temporal and jeopardy when the user wears it. That is, the biosignal detection sensor 112 may be disposed at a position opposite to one surface of the second support part 1111a2 positioned at the user's head part and the clown part when the user wears it. Therefore, the biosignal detection sensor 112 that contacts the user's temporal and vast parts of the user has a heart rate signal (PPG: Photoplethysmogram), electrocardiogram (ECG: Electrocardiogram), electromyogram (EMG: Electromyography), skin temperature signal (Skin). temperature) can be sensed.

Meanwhile, although not shown in the drawing, the biosignal detection sensor 112 may be electrically connected to another sensing unit in contact with a body part other than the face of the user. Accordingly, the biosignals other than the biosignals may be additionally detected. For example, the biosignal detection sensor 112 connected to another sensing unit may additionally detect body fat (BIA), galvanic skin response (GSR), and the like.

In addition, the biosignal detection sensor 112 may be installed in a structure capable of adjusting the position in the mask body 1111.

Referring to FIG. 8, the mask body 1111 may be provided with a movement adjusting member 1125 for guiding the movement of the biosignal detection sensor 112 according to a user's manipulation. The movement adjusting member 1125 may be formed in an annular shape, and a guide hole 1125a may be formed inside the movement adjusting member 1125 to guide the movement of the biosignal detection sensor 112. For reference, although the guide hole 1125a is illustrated in a circular arc shape along the horizontal direction, the shape of the guide hole 1125a is not limited thereto. It may be changed and applied to various shapes that can guide the movement of 112.

Hereinafter, the head mounted display device 2 (hereinafter, referred to as 'head mounted display device 2') according to another embodiment of the present invention will be described.

For reference, each configuration for explaining the head mounted display device 2 according to another embodiment of the present invention uses the same reference numerals used while describing the head mounted display device 2 for convenience of description, and is necessary. The same or duplicate description will be omitted accordingly.

Referring to FIG. 1, a detachable function module 100 for obtaining biometric data according to another exemplary embodiment of the present invention (hereinafter, referred to as a detachable function module 100 for obtaining biometric data) may be included in the head mounted display device 200. It is selectively detachable and configured to acquire biometric data of a user wearing the head mounted display device 200.

The detachable functional module 100 for obtaining biometric data includes a first biometric data acquisition module 110.

The first biometric data acquisition module 110 may be in contact with the skin of the user to display the first biometric data.

Data is obtained and is formed in a form detachable to the second biometric data acquisition module 120 and the connection module 130 to be described later.

1 and 4, the first biometric data acquisition module 110 may include a face support mask 111 that may be mounted on the head mounted display device 200.

In addition, the face support mask 111 may include a mask body 1111.

1 to 3, the mask body 1111 is formed in a curved structure along the width direction (Y-axis direction) and the height direction (Z-axis direction) of the mask body 1111. A through hole 1111aa may be formed to communicate the lens 200a of the head mounted display apparatus 200 with the user's eyes.

In addition, the mask body 1111 may include a frame portion 1111a.

The frame portion 1111a will be described in more detail.

The first support 1111a1 may be disposed to face the forehead of the user when the user wears the first support 1111a1. In addition, a mounting groove recessed in a predetermined depth along one direction (the X-axis direction of FIG. 4) may be formed in the inner center of the first support part 1111a1 so that the connector 113 to be described later may be installed. Here, the through hole may be formed in the mounting groove so that a part of the connector 113 installed in the mounting groove may be exposed to the outside of the frame part 1111a. For example, the mounting groove may be provided with a fastening portion (not shown) for fixing the connector 113 to the first support portion 1111a1.

Referring back to FIGS. 2 and 4, the second support 1111a2 is masked from one side and the other end of the first support 1111a1 along the width direction (the Y-axis direction of FIG. 2) of the mask body 1111. It may extend curvedly below the main body 1111. Here, the curved extension toward the lower side of the mask body 1111 means that the curvature extends downward from the end of the mask body 1111 along the height direction (Z-axis direction in FIG. 2) of the mask body 1111. can do. In addition, the second support 1111a2 extends vertically from an end of the first support 1111a1 with reference to FIG. And a second extension section extending in a horizontal direction from an end portion of the first extension section. Accordingly, inside the first support part 1111a1 and the second support part 1111a2, a sight hole 1111aa may be formed to accommodate the user's eyes and the user's nose. On the other hand, although not shown in the drawing, the second support portion 1111a2 may be formed in a structure capable of length adjustment along the height direction (Z-axis direction of FIG. 2) of the mask body 1111. At this time, the length adjusting member (not shown) guides the movement of the second support part 1111a2 inside the first support part 1111a1 and the second support part 1111a2 and fixes the second support part 1111a2 moved to a predetermined position. ) May be provided. Therefore, the user using the face support mask 111 can stably support the head mounted display apparatus 200 by adjusting the length of the second support part 1111a2 to suit the position of his / her eyes and nose.

In addition, the mask body 1111 may include a buffer portion 1111b.

3 and 4, the shock absorbing part 1111b is installed on one surface of the frame part 1111a facing the user's face and is supported by the user's face when the user wears the head mount display device 200. The load can be evenly distributed over the user's face.

For example, the buffer part 1111b may be formed in the form of a foam (FOAM) of PE material having a predetermined thickness. However, the buffer part 1111b is not limited thereto, and may be applied to a material such as a sponge, a gel, a latex, or an air foam so as to perform the same function. In addition, the shock absorbing part 1111b may be installed on one surface of the frame part 1111a as illustrated in FIG. 5 and disposed along an edge area of the frame part 1111a.

In addition, the mask body 1111 may further include an elastic member 1111c.

In addition, the face support mask 111 may include a connector 113 that can be electrically connected to the connection module 130 to be described later.

3 and 9, the connector 113 is installed in the mask body 1111 and electrically connected to the biosignal detection sensor 112, and the socket part 133 provided in the connection module 130 to be described later. Can be connected to. Here, the connector 113 may be coupled to the socket portion 133 provided in the connection module 130 using magnetic force. For example, the connector 113 is electrically connected to the connector housing 1131 installed in the mask body 1111, the biosignal detection sensor 112, and the pin portion 1132 disposed at the inner center of the connector housing 1131, And a magnet 1133 disposed around the pin portion 1132. For reference, a signal transmission part (not shown) and a pin part 1132 are connected to the pin part 1132 to the socket part 133 provided in the connection module 130 to transmit a signal of the pin part 1132 to the control part 132. Only when the magnetism coincides with the center of the signal transmission unit, a magnetic part (not shown) coupled to the magnet 1133 of the connector 113 may be provided.

In addition, the face support mask 111 may include at least one detachable part 115 detachable to the second biometric data acquisition module 120 and the connection module 130 to be described later.

More specifically, the first support 1111a1 and the second support 1111a2 of the face support mask 111 have at least one detachable part 115 that can be detached from the second biometric data acquisition module 120 and the connection module 130. ) May be provided.

Here, the first biometric data acquisition module 110 may be detachable to the second biometric data acquisition module 120 and the connection module 130 through magnetic force.

That is, at least one detachable part 115 provided in the face support mask 111 of the first biometric data acquisition module 110 is formed of a magnetic material having a magnetic force, and thus, the first biometric data acquisition module 110 The face support mask 111 may be detachably coupled to the second biometric data acquisition module 120 and the connection module 130. For example, the second biometric data acquisition module 120 and the connection module 130 may include at least one detachable portion 115 formed of a magnetic material that can be coupled with at least one detachable portion 115 provided on the face support mask 111 through a magnetic force ( 1211a and 131a may be provided, respectively.

In addition, the first biometric data acquisition module 110 may include a biosignal detection sensor 112.

3 and 4, the biosignal detection sensor 112 may be installed in the face support mask 111 to be electrically connected to the connector 113 to obtain first biometric data when the user contacts the skin of the user. have.

More specifically, the biosignal detection sensor 112 is installed on one side of the mask body 1111 that faces the user's face when the user wears it, and the elastic member 1111c of the mask body 1111 when the user wears it. It is elastically supported and in contact with the user's skin. Accordingly, when the power is applied to the head mounted display apparatus 200, the biosignal detection sensor 112 detects the biosignal of the user and transmits the detected biosignal to the electrically connected connection module 130. do. Here, the EMI shield (Electro Magnetic Interference Shield) processing for the electromagnetic shielding may be additionally performed on the biosignal detection sensor 112.

The biosignal detection sensor 112 may include a support ring 1121, a guide housing 1122, an electrode unit 1123, and an elastic support member 1124. The support ring 1121 may be formed in a circular ring shape in which a press-in groove is formed toward an inner center along a circumference thereof and may be installed in the mask body 1111. For example, the support ring 1121 may be installed in a form pressed into the mask body 1111. The guide housing 1122 may be fastened to the inside of the support ring 1121, and guide holes 1122a may be formed therein along the central axis direction. The step of limiting the movement of the electrode unit 1123 may be formed in the guide housing 1122. For example, an outer circumferential surface of the guide housing 1122 and an inner circumferential surface of the support ring 1121 may be formed with threads that may be fastened to each other. The electrode unit 1123 may be installed in the guide housing 1122 and disposed in a linearly movable state along the guide hole 1122a. One side and the other side of the electrode unit 1123 may protrude to the outside of the guide housing 1122, respectively. Here, one side of the electrode unit 1123 may be formed with a protruding piece that is supported by a step formed in the guide housing 1122. The elastic support member 1124 is installed in the guide housing 1122, and is formed in the form of a coil spring to elastically support the electrode unit 1123.

In addition, the biosignal sensor 112 may be formed of a flexible material.

Referring to FIGS. 2 and 7, the biosignal detection sensor 112 may be disposed at a position opposite to the user's head and the vast part when the user wears the biosignal sensor 112. That is, the biosignal detection sensor 112 may be disposed at a position opposite to one surface of the second support part 1111a2 positioned at the user's head part and the clown part when the user wears it. Therefore, the biosignal detection sensor 112 that contacts the user's temporal and vast parts of the user has a heart rate signal (PPG: Photoplethysmogram), electrocardiogram (ECG: Electrocardiogram), electromyogram (EMG: Electromyography), skin temperature signal (Skin). temperature) can be sensed.

In addition, the detachable functional module 100 for biometric data acquisition includes a second biometric data acquisition module 120.

14 is an exploded perspective view showing the detachable functional module 100 for obtaining biometric data, and FIG. 15 is a perspective view showing the second biometric data obtaining module 120.

1, 14, and 15, the second biometric data acquisition module 120 is configured to acquire a second biometric data by photographing a face of a user accommodated in the first biometric data acquisition module 110.

In more detail, the second biometric data acquisition module 120 photographs the face of the user accommodated in the first biometric data acquisition module 110 and moves eyeballs, identification information through the iris area around the pupil, and the eye. The biometric data may be acquired about a change in facial expression through movement of muscles around the heart and heart rate information due to changes in blood flow in the blood vessels around the eyes.

In addition, the second biometric data acquisition module 120 may include a plurality of cover parts 121, a photographing part 122, and a light source part 123.

The plurality of cover parts 121 may include a cover body 1211 and a holder 1212, respectively.

The cover body 1211 may be mounted on the head mounted display device 200 and disposed on one side of the lens 200a. In addition, one side of the cover body 1211 may include at least one detachable part 1211a detachable from the first biometric data acquisition module 110. For example, the detachable part 1211a may be formed of a magnetic material, and may be detachably coupled to the detachable part 115 provided in the first biometric data acquisition module 110 through a magnetic force. In addition, a lens through hole 1211b may be formed inside the cover body 1211 so that one surface of the lens 200a may be exposed.

In addition, the cover main body 1211, a cable connected to the hook-shaped coupling portion and the photographing unit 122 and the light source unit 123 to be described later and the wiring module 130 connected to the inside to accommodate the other structure is accommodated Wiring paths can be formed.

The holder 1212 protrudes obliquely from the cover body 1211 toward the first biometric data acquisition module 110 at a predetermined angle, and a predetermined accommodation space is formed to accommodate the photographing unit 122 therein. Can be.

In addition, the holder 1212 may be formed in a structure detachable from the cover body 1211 and may be coupled to one surface of the cover body 1211 through a fastening part (not shown).

The photographing unit 122 is mounted on the holder 1212 and disposed in the receiving space of the holder 1212, and is disposed at an inclined angle with respect to the central axis of the lens 200a by a predetermined angle. At least a portion of a user's face accommodated in 110 may be photographed. For example, the photographing unit 122 may include a camera body including at least one lens (not shown) and an image sensor (not shown) connected to the camera body. Here, the photographing unit 122 may be applied as an infrared camera.

The light source unit 123 may be installed on one surface of the holder 1212 and disposed to be inclined at a predetermined angle with respect to the central axis of the lens 200a and may emit light toward the photographing direction of the photographing unit 122. . For example, the light source unit 123 may be applied to an infrared LED or an infrared lamp.

In addition, the second biometric data acquisition module 120 may further include an infrared ray (IR) filter (not shown) installed in the cover 121 and disposed in front of the photographing unit 122. For example, the IR filter may be formed in a plate-shaped structure having a predetermined thickness, and may be formed of a transparent material through which infrared rays can be transmitted.

In addition, the second biometric data acquisition module 120 may rotate the holder 1212 at a predetermined angle through a user's manipulation to adjust the photographing direction of the photographing unit 122 and the light irradiation direction of the light source unit. It may further include (not shown).

Accordingly, by detecting and analyzing the specificity of the brain wave or gaze movement of the user who is checking the virtual reality image, it is possible to check the cognition and emotion state of the user in real time, as well as the head mounted display using the user's gaze position information and brain wave information The function of the device 200 may be controlled.

In addition, the detachable function module 100 for obtaining biometric data includes a connection module 130.

16 is a cross-sectional view schematically illustrating a state in which the first biometric data acquisition module 110 and the connection module 130 are coupled to each other.

14 and 16, the connection module 130 is electrically connected to the first biometric data acquisition module 110 and the second biometric data acquisition module 120 to be connected to the first biometric data acquisition module 110 and the first biometric data acquisition module 110. The first biometric data and the second biometric data acquired from the biometric data acquisition module 120 may be preprocessed and transmitted to an external device (not shown) or the head mounted display device 200, and the external device or the head mounted display device ( The control command may be received from the 200 and transmitted to the first biometric data acquisition module 110 and the second biometric data acquisition module 120. For example, the external device may include a processor, a memory for storing and executing program data, a storage unit, a communication port for communicating with the external device, a user interface device such as a touch panel, a key, a button, and the like. .

In more detail, the connection module 130 may include a housing 131, a controller 132, a socket 133, and an external input terminal 134.

The housing 131 includes at least one detachable part 131a that is detachable from the first biometric data acquisition module 110, and forms an accommodation space having a predetermined size so that the control unit 132 described later can be accommodated therein. Can be. For example, the detachable part 131a may be formed of a magnetic material, and may be detachably coupled to the detachable part 115 provided in the first biometric data acquisition module 110 through a magnetic force.

In addition, one surface of the housing 131 in contact with the first biometric data acquisition module 110 may be formed in a shape corresponding to the outer surface of the first biometric data acquisition module 110. For example, one surface of the housing 131 may be formed in a curved shape corresponding to an outer surface of one side of the face support mask 111 where the user's forehead portion is located.

The control unit 132 is installed inside the housing 131 and is disposed in the accommodation space, and the first biometric data and the second biometric body acquired from the first biometric data acquisition module 110 and the second biometric data acquisition module 120. After preprocessing the data, it can be transmitted to an external device through wired or wireless communication. For example, the controller 132 may include a signal detector (not shown) for detecting signals transmitted from the first biometric data acquisition module 110 and the second biometric data acquisition module 120, and amplify the signal from the signal detector and remove noise. A filter (not shown), an A / D converter (not shown) for converting the filtered analog signal into a digital signal, a power supply unit (not shown) for providing a predetermined driving voltage, and a measured signal using wired or wireless communication. It may include a communication unit (not shown) for transmitting to an external device. However, the controller 132 is not necessarily limited thereto, and may be changed and applied to various structures and forms within a range capable of performing the same function.

The socket 133 is installed in the housing 131 and connected to the control unit 132. The socket 133 is electrically connected to the first biometric information acquisition module 110 and the second biometric information acquisition module 120. The first biometric data and the second biometric data may be delivered.

The external input terminal 134 is installed in the housing 131 and connected to the control unit 132 and electrically connected to an external device to receive the first biometric data and the second biometric data from the control unit 132, or control unit ( 132 may transmit a control command.

That is, as the first biometric data acquisition module 110, the second biometric data acquisition module 120, and the connection module 130 are formed in a detachable module form on the head mounted display device 200, various types of head mounts are provided. As it is applicable to a display device, the usability of the product is increased, and even when any one of the plurality of function modules is damaged or deformed, only the corresponding function module can be replaced or repaired, thereby making it easy to maintain.

In addition, the detachable function module 100 for obtaining biometric data may control a function of the head mounted display apparatus 200 using at least one biosignal detected by a user.

For example, the detachable function module 100 for obtaining biometric data detects whether the user is worn based on the user's brain wave information or the user's gaze information, and controls the power supply, or controls the speaker's ON / OFF or volume control and vibration. ON / OFF or vibration intensity control, display control and user authentication can be performed.

Hereinafter, the head mounted display apparatus 200 (hereinafter, referred to as the head mounted display apparatus 200) according to an exemplary embodiment of the present invention will be described.

For reference, each component for explaining the present head mounted display apparatus 200 uses the same reference numerals to describe the detachable functional module 100 for obtaining biometric data for the convenience of description, and the same or duplicate descriptions will be given. Will be omitted.

Referring to FIG. 1, the head mounted display apparatus 200 is configured to be worn on a user's head to provide a user with a virtual reality (VR) image so that the user can have a spatial and temporal experience similar to the reality. A display device provided includes a wearable part that can be worn on a user's head, and a display body which is supported by the wearable part and has an image output part (not shown) and a plurality of lenses 200a therein. For example, the wearing part is formed in the form of a band wearable around the user's head, it may be provided with an inner diameter adjusting portion to adjust the size of the inner diameter on one side. The display body may be rotatably coupled to the wearing unit and rotated at a predetermined angle according to a user's manipulation.

In addition, the head mounted display apparatus 200 includes a removable function module 100 for obtaining biometric data.

The detachable function module 100 for obtaining biometric data photographs a face of a user accommodated in the first biometric data acquisition module 110 and the first biometric data acquisition module 110 capable of contacting the user's skin to obtain first biometric data. The second biometric data acquisition module 120 capable of acquiring the second biometric data, and the first biometric data acquisition module 110 and the second biometric data acquisition module 120 are electrically connected to each other. The connection module 130 may pre-process the biometric data and transmit the biometric data to the external device.

Here, the first biometric data acquisition module 110 may be coupled to the second biometric data acquisition module 120 and the connection module 130 to be detachable.

While the above has been shown and described with respect to preferred embodiments of the present invention, the present invention is not limited to the specific embodiments described above, it is usually in the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

Claims

A biometric data acquisition module detachable from the head mounted display device and capable of obtaining biometric data in contact with a user's skin;

Removable function module for biometric data acquisition comprising a.
The method of claim 1,

The biometric data acquisition module,

A face support mask detachable from the head mounted display device; And

A biosignal sensor installed on the face support mask, the biosignal sensor configured to acquire the biometric data when the user contacts the skin of the user;

Removable function module for biometric data acquisition comprising a.
The method of claim 2,

The face support mask,

A frame portion in which a see-through hole is formed; And

A buffer unit installed at the frame unit and configured to be supported by a face of a user;

Removable function module for biometric data acquisition comprising a.
The method of claim 3,

The frame portion,

A first support configured to face the forehead of the user; And

A second support part extending from the first support part and configured to face the user's temporal part and the clown part;

Removable function module for biometric data acquisition comprising a.
The method of claim 3,

The face support mask,

An elastic member surrounding the frame part and the buffer part, elastically supporting the biosignal detection sensor, and forming a buffer space between the buffer part and the frame part; Removable function module for biometric data acquisition further comprising.
The method of claim 2,

The biometric data acquisition module,

And a connector installed in the face support mask and electrically connected to the biosignal detection sensor and connectable to a socket provided in the head mounted display device.
The method of claim 2,

The biometric data acquisition module,

And a coupling part installed on the face support mask and configured to fix the face support mask to the head mounted display device.
The method of claim 2,

The biological signal detection sensor,

Removable function module for biometric data acquisition that can detect user's brain wave signal by contacting forehead part of user
The method of claim 2,

The biological signal detection sensor,

Removable function module for acquiring biometric data in contact with the user's temporal and expansive parts to detect at least one of the user's heartbeat signal, electrocardiogram signal, EMG signal and skin temperature signal.
The method of claim 2,

The biological signal detection sensor,

Removable functional module for biological data acquisition, formed of a rigid material or a flexible material.
The method of claim 2,

The biological signal detection sensor,

A support ring installed on the face support mask;

A guide housing fastened to the support ring and having a guide hole formed along a central axis direction;

An electrode unit installed in the guide housing and linearly movable along the guide hole; And

An elastic support member installed in the guide housing and capable of elastically supporting the electrode portion;

Removable function module for biometric data acquisition comprising a.
The method of claim 2,

The biological signal detection sensor,

A flexible substrate installed on the face support mask; And

An electrode unit formed on the flexible substrate at a predetermined thickness;

Removable function module for biometric data acquisition comprising a.
The method of claim 12,

The biological signal detection sensor,

A conductive elastic support attached to the electrode part and configured to be supported by the user's skin; Removable function module for biometric data acquisition further comprising.
Removable function module for biometric data acquisition that can be attached to a head mounted display device.

A first biometric data acquisition module capable of contacting the skin of a user to obtain first biometric data;

A second biometric data acquisition module capable of capturing a face of a user accommodated in the first biometric data acquisition module to acquire second biometric data; And

A connection module electrically connected to the first biometric data acquisition module and the second biometric data acquisition module to transmit the first biometric data and the second biometric data to an external device;

Removable function module for biometric data acquisition comprising a.
The method of claim 14,

The first biometric data acquisition module may be detachable from the head mounted display device, the second biometric data acquisition module, and the connection module.
The method of claim 14,

The first biometric data acquisition module,

A face support mask detachable from the head mounted display device; And

A biosignal sensor installed on the face support mask and capable of obtaining the first biometric data when the user contacts the skin of the user;

Removable function module for biometric data acquisition comprising a.
The method of claim 14,

The second biometric data acquisition module,

A cover part installed on the head mounted display device and disposed on one side of a lens and detachable from the first biometric data acquisition module; And

A photographing unit installed in the cover unit and capable of capturing at least a portion of a user's face accommodated in the first biometric data acquisition module;

Removable function module for biometric data acquisition comprising a.
The method of claim 14,

The connection module,

A housing detachable to the first biometric data acquisition module;

A control unit installed in the housing to transmit the first biometric data and the second biometric data to the external device; And

A socket unit installed in the housing and electrically connected to the control unit, the first biometric information acquisition module and the second biometric information acquisition module, and configured to transfer the first biometric data and the second biometric data to the control unit;

Removable function module for biometric data acquisition comprising a.
19. A head mounted display device comprising a removable function module for obtaining biometric data according to any one of claims 1 to 18.