KR20180066827A - Head mount display deevice - Google Patents

Abstract

A head-mounted display device includes: a main body including an opening formed on a rear surface thereof; a band part connected to the main body and fixing the main body to a head of a user; an image output unit disposed inside the main body to face the opening and providing an image to the user; an earbud holder partially depressed into the main body and positioned at a corner between the lateral surface and the lower surface of the main body; an earbud mounted on the earbud holder; and a controller for controlling the image output unit and the earbud. Accordingly, a sound output unit is integrated, thereby improving portability.

Description

HEAD MOUNT DISPLAY DEEVICE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a head mount display device that transmits virtual reality information with increased usability.

A terminal can be divided into a mobile terminal (mobile / portable terminal) and a stationary terminal according to whether the terminal can be moved. The mobile terminal can be divided into a handheld terminal and a vehicle mounted terminal according to whether the user can directly carry the mobile terminal.

The functions of mobile terminals are diversified. For example, there is data and voice communication, photographing and video shooting through a camera, voice recording, music file playback through a speaker system, and outputting an image or video to a video output unit. Some terminals are equipped with an electronic game play function or a multimedia player function. In particular, modern mobile terminals can receive multicast signals that provide visual content such as broadcast and video or television programs.

In recent years, attention has been paid to wearable devices for user's convenience, and various portable terminals mounted on clothes as well as glasses, bracelets, and watches are being studied.

A head-mounted display device that wears on a user's face of a wearable device to provide visual information has been spotlighted along with the development of various contents using virtual reality.

The head mount display is provided with an image output unit, various sensors for detecting the user's movement, and a fixing structure for stably fixing the user's head. In addition, since sound is also important for realizing not only a display but also a virtual reality, And the output portion is mounted on the head mount display.

It is inconvenient to carry the earphone or the headset separately if it is provided separately. Therefore, it is difficult to carry the earphone or the headset separately, and the sound output unit is mounted without increasing the size There is a need for a head mount display device.

An object of the present invention is to provide a head mount display having an audio output section which can be housed in a main body and carried without increasing the size of the main body.

A main body including an opening formed in a back surface; A band unit connected to the main body and fixing the main body to a user's head; An image output unit disposed inside the main body so as to face the opening and providing an image to the user; An earbud holder partially received at the main body and positioned at a corner of a side surface and a bottom surface; The earbud being seated in the earbud holder; And a control unit for controlling the video output unit and the earbud.

Further comprising a first sensor that changes to an OFF state when the earbud is received in the earbud holder and changes to an ON state when the earbud holder is separated from the earbud, , It is possible to output sound through the earbud.

And a speaker mounted on the main body, wherein the controller can output sound through the speaker when the first sensor is in an OFF state.

Further comprising a second sensor that is turned on when the main body is worn by a user on the back side of the main body, wherein the controller controls the first sensor to be in an OFF state and the second sensor to be in an ON state, It is possible to output an image guiding the storage position of the earbud.

The control unit may control the image output unit to output an image when the first sensor is turned on.

When the first sensor is turned from an ON state to an OFF state while an image is output from the image output unit, the control unit may stop the image provided by the image output unit.

When the image provided to the video output unit is completed, the notification unit informs the user that the earbud is to be stored in the earbud holder.

The inner side surface of the earbud holder located at the rear side with respect to the earbud may be tilted toward the rear side toward the bottom side.

An acoustic cable having one end connected to the earbud and the other end disposed inside the main body through a cable hole formed in the earbud holder; And a rotation module mounted inside the main body and wound with the acoustic cable.

Wherein the rotary module includes: a cylindrical rotating part that is wound or unwound on the outer circumferential surface of the acoustic cable in a rotating direction; And a fixing part fixed to the main body and including a rotation shaft passing through the rotation part, wherein the side surfaces of the cable hole and the rotation part can be arranged in a straight line in a vertical direction.

The direction of the acoustic cable extending through the cable hole may be coincident with the direction of the acoustic cable extending from the rotary part to the cable hole.

The fixing part includes a first fixing part positioned on one surface of the rotation part; A second fixing part located on the other surface of the rotary part; And a plurality of third fixing portions which connect the first fixing portion and the second fixing portion and are spaced apart from each other around the side surface of the rotation portion, and the third fixing portion includes a straight line portion formed between the rotation portion and the cable hole As shown in Fig.

The earbud holder further includes a pair of openings formed at corners between the side surface and the bottom surface of the main body, wherein the earbud holder is inserted to cover the pair of openings and formed in the earbud holder. And a data cable connecting the external terminal and the controller through the data hole.

A main body including an opening formed in a back surface; A first band and a second band which are connected to one end and the other end of the main body, respectively, and end portions of the user's head are fastened to each other; An image output unit disposed inside the main body so as to face the opening and providing an image to the user; And a control unit for controlling the video output unit.

And a plurality of second magnets arranged side by side along the longitudinal direction at the end of the second band, wherein the first magnets include a plurality of first magnets arranged side by side along the longitudinal direction at the end of the first band, And the second band portion is disposed and fastened such that the first pole of the first magnet and the second pole of the second magnet face each other, and the main body, the first band, and the second band form a closed curve.

When the first band and the second band are overlapped, the side surface of the first magnet may be in close contact with the side surface of the second magnet.

Wherein the first magnet is disposed such that the first pole faces the opposite direction of the end of the first band and the second magnet is disposed such that the second pole does not face the second band have.

The length of the first region in which the first magnet is disposed in the first band may be longer than the length of the second region in which the second magnet is disposed in the second band.

Wherein the main body has a curved line having a first curvature, and a lower portion of the rear surface of the main body has a curved surface, A curve of a second curvature larger than the first curvature can be obtained.

The head mount display device of the present invention can improve portability by integrally providing an acoustic output unit. Further, even if the sound output unit is provided, the increase in size and weight can be minimized, and the inconvenience of pressing the nose or clown when worn can be solved.

In addition, the head-mounted display apparatus of the present invention can determine whether the acoustic output unit is worn by the user depending on whether the acoustic output unit is housed in the main body, and control the head-mounted display device based on the determination.

In addition, the size of the headband can be adjusted according to the size and shape of the user's head, and it is possible to prevent the external light from leaking from hindering the appreciation of the image, thereby improving usability.

Further scope of applicability of the present invention will become apparent from the following detailed description. It should be understood, however, that the detailed description and specific examples, such as the preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art.

1 is a block diagram for explaining a head-mounted display device related to the present invention.
2 is a perspective view showing a head-mounted display device related to the present invention.
3 is an exploded perspective view of the head-mounted display device related to the present invention.
4 is a side view showing a state in which a head mounted display device related to the present invention is worn by a user.
5 is a bottom view of the head-mounted display device of the present invention viewed from the bottom.
6 is a side view showing a state in which a earbud is housed in an earbud holder of the present invention.
7 is a perspective view showing an earbud, an earbud holder and a rotary module according to the present invention.
8 is a view for explaining the arrangement of an ear bud, an ear bud holder and a rotation module of the present invention.
9 is a table for explaining a method of controlling the head-mounted display device according to ON / OFF status of the first sensor and the second sensor.
10 is a view showing a screen output to the video output unit according to ON / OFF of the first sensor and the second sensor of the present invention.
11 is a view showing a method of wearing a head-mounted display device according to the present invention by a user.
12 and 13 are views showing an embodiment of a first magnet located in the first band and a second magnet located in the second band of the present invention.

Hereinafter, a head-mounted display device 100 according to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

In the following description of the embodiments of the present invention, a detailed description of related arts will be omitted when it is determined that the gist of the embodiments disclosed herein may be blurred. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed. , ≪ / RTI > equivalents, and alternatives.

Terms including ordinals, such as first, second, etc., may be used to describe various elements, but the elements are not limited to these terms. The terms are used only for the purpose of distinguishing one component from another.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", and the like are used to specify that a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Conventional mobile terminals are based on a phone call function, but in recent years, portable devices having various multimedia functions in addition to phone calls are all referred to as mobile terminals. The mobile terminal can be extended to a wearable device that can be worn on the body beyond the dimension that the user mainly grasps and uses. Such wearable devices include a smart watch, a smart glass, and a head mount display device.

The head mount display device 100 is a video apparatus worn on the head of a user, and is an essential device for realizing a virtual reality by providing an image that is visually blocked from the outside and looks as if it is actually viewed.

The head-mounted display device 100 can be made capable of interchanging (or interlocking) data with other mobile terminals. The short range communication module can detect (or recognize) the head mounted display device 100 capable of communicating around the mobile terminal. Further, when the sensed head-mounted display device 100 is a device authenticated to communicate with the mobile terminal, the control unit transmits at least a part of the data processed by the mobile terminal to the head-mounted display device 100 through the short- . Therefore, the user can use the data processed in the mobile terminal through the head-mounted display device 100. [ For example, when a telephone is received in the mobile terminal, a telephone call is made through the head-mounted display device 100, or when the message is received in the mobile terminal, the received message is confirmed via the head- It is possible to do.

1 is a block diagram of a head-mounted display device 100 according to an embodiment of the present invention. The head mount display device 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, a storage unit 135, a control unit 130, a power supply unit 139, . 1 are not essential, a head-mounted display device 100 having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 includes one or more modules for enabling wireless communication between the head mounted display apparatus 100 and the wireless communication system or between the head mounted display apparatus 100 and the network in which the head mounted display apparatus 100 is located can do. For example, the wireless communication unit 110 may include a mobile communication module, a wireless Internet module, a short distance communication module, and a location information module.

The mobile communication module may communicate with at least one of a base station, an external terminal, and a server over a mobile communication network such as GSM (Gobal System for Mobile communications), CDMA (Code Division Multiple Access), WCDMA (Wideband CDMA) And transmits and receives signals. The wireless signal may include various types of data depending on a voice call signal, a video call signal or a text / multimedia message transmission / reception.

The wireless Internet module refers to a module for wireless Internet access, and may be built in or externally mounted on the head-mounted display device 100. Wireless Internet technologies include WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), GSM, CDMA, WCDMA, LTE Evolution (but not limited to) may be used.

In view of the fact that wireless Internet access by Wibro, HSDPA, GSM, CDMA, WCDMA, LTE or the like is performed through a mobile communication network, the wireless Internet module that performs wireless Internet access through the mobile communication network is a kind of mobile communication module .

The short-range communication module is a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module is a module for obtaining the position of the head mounted display device 100, and a representative example thereof is a Global Position System (GPS) module. According to the present technology, the GPS module calculates distance information and accurate time information from three or more satellites, and then applies trigonometry to the calculated information to obtain three-dimensional current position information according to latitude, longitude, and altitude It can be calculated accurately. At present, a method of calculating position and time information using three satellites and correcting an error of the calculated position and time information using another satellite is widely used. In addition, the GPS module can calculate speed information by continuously calculating the current position in real time.

Referring to FIG. 1, the input unit 120 is for inputting an audio signal or a video signal. The input unit 120 may include a camera 121, a microphone 122, a user input unit 123, a touch sensor, and the like.

The camera 121 processes an image frame such as a still image or a moving image photographed by the image sensor in the video communication mode or the photographing mode. The processed image frame may be stored in the storage unit 135 or transmitted to the outside through the wireless communication unit 110. [ Two or more cameras 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module and output when it is in the call mode. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

When the camera 121 acquires a still image, information can be extracted from the still image. Since the camera 121 is made up of a plurality of still images when capturing a moving image, it is unnecessary to waste the process of acquiring information from the image recognizing unit and processing it in the control unit for all of the plurality of still images have. In addition, if unnecessary information is extracted and provided to the user, the user may feel inconvenience in using the head-mounted display device 100 to be worn with glasses.

The user can extract only necessary information through a voice command to press the user input unit 123 provided in the main body 160 or acquire image information, or the user can look at the same object over a predetermined period of time, The information can be extracted when the same image is photographed over a certain period of time.

Or when a user is close to a specific object, if the object is largely occupied in the field of view, it can be determined that the object is being watched. Accordingly, when one object of the image recognized by the camera 121 occupies more than a certain range of the image, information related to the object can be extracted.

Although the head-mounted display device 100 is difficult to have a keyboard, it may include a button-type user input unit 123 on the main body 160 to input frequently used commands. For example, a command to shoot the image the user is watching or to extract information from the image or a command to adjust the volume output from the sound output unit 152 may be specified.

The user input unit 123 may include various types of user input units 123 such as a method of generating a signal by recognizing a physical pressure using a metal dome or a method of recognizing that a user's hand is touched using a touch sensor Applicable.

The sensing unit 140 senses the state of the portable terminal 100 and the surrounding environment, and typically includes a gyro sensor 141 and an acceleration sensor 142.

The gyro sensor 141 is a device for detecting a change in tilt of the portable terminal, and detects variations in three orthogonal axes of x-axis, y-axis, and z-axis. Also known as an angular velocity sensor. It is possible to sense the tilt fluctuation of the main body of the mobile terminal by detecting the momentum of the rotational movement around each axis.

The conventional gyro sensor is in the form of a top having three axes, but recently it can be mounted on a small electronic product such as a mobile terminal by increasing its precision and miniaturizing its size, such as an optical gyro and a vibrating gyro. A six-axis sensor implemented by a MEMS module can also be used as the gyro sensor 141.

The gyro sensor 141 used in the present invention includes all the sensors capable of sensing the tilt and movement of the head-mounted display device 100 without being restricted to the above-described mode.

The acceleration sensor 142 measures the dynamic force, such as the acceleration of the head-mounted display device 100. It is also possible to detect vibrations, shocks, etc. from changes in acceleration. When an object with a mass is accelerated, a force is generated, so that a change due to the force is detected.

The proximity sensor 144 may be disposed in the main body 160 portion and may sense an object proximate to the head-mounted display device. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Next, the output unit 150 generates an output related to a visual, auditory or tactile sense. The output unit 150 may include an image output unit 151 and an audio output unit 152.

The video output unit 151 is an apparatus for providing an image to a user and may be integrally formed in the head mounted display device 100 or may be equipped with a bar type mobile terminal including a display unit It can also be implemented.

The image output unit 151 may provide images to the left and right eyes to provide a stereoscopic image and may provide a left eye image and a right eye image by dividing a screen of one display unit or use a pair of display units .

The image output unit 151 may be a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED) a flexible display, a 3D display, and an e-ink display.

The audio output unit 152 may output audio data received from the wireless communication unit 110 or stored in the storage unit 135 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output unit 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the head mounted display device 100. [ The audio output unit 152 may include a receiver, a speaker, a buzzer, and the like.

The head-mounted display device 100 may be configured to transmit sound in a manner to be worn on the head of the human body. A vibrating module is attached to the portion of the body that is in close contact with the head to transmit sound by vibrating the skull.

The storage unit 135 may store a program for processing and controlling the controller 130, and may perform a function for temporarily storing input / output data. The newly input data can be stored, and the previously stored data can be extracted and used. The storage unit 135 may expand the storage function using an auxiliary storage device such as an SD card as well as a built-in method.

The controller 130 typically controls the overall operation of the head-mounted display device 100. And may provide information to the user by controlling the wireless communication unit 110 to transmit or receive various signals or process input data or to control the video output unit 151 and the audio output unit 152.

The control unit 130 of the present invention extracts information from the image acquired by the camera 121 and compares the extracted information with previously stored information based on the extracted information or stores the extracted information in the storage unit 135, And outputs the extracted information to the video output unit 151. Alternatively, the related information may be retrieved from the Internet.

The power supply unit 139 receives external power and internal power under the control of the controller 130 and supplies power required for operation of each component. The power supply unit 139 may include, for example, a battery, a connection port, a power supply unit, a control unit, and a charge monitoring unit.

The various embodiments described herein may be embodied in a recording medium readable by a computer or similar device using, for example, software, hardware, or a combination thereof.

Fig. 2 is a perspective view showing the head-mounted display device 100 related to the present invention, and Fig. 3 is an exploded perspective view showing the head-mounted display device 100 related to the present invention. 4 is a side view showing a state in which the head-mounted display device 100 related to the present invention is worn on the user's head.

A main body 160 including an image output unit 151, a sensing unit 140 and a control unit 130 and disposed in front of the user's eyes and a band unit for fixing the main body 160 to the user's head 170). For convenience of explanation, when the user wears the head-mounted display device 100, the portion of the user's face that touches the back is referred to as the back (back), and the direction of the user's gaze is referred to as the front (front).

The video output unit 151 mounted on the main body 160 may include a mounting unit for mounting a smart phone or the like when a display device such as a smart phone is mounted and used. In case of the built-in type, the video output unit 151 is directly provided therein.

Since the main body 160 is closely attached to the user's face and receives the image output from the video output unit 151 in a state in which the external light is not introduced, You can have a curved surface depending on the curve. It is possible to deform according to the shape and size of the face through the silicone or cushion material at the portion of the user's face contacting the face so as to be brought into close contact with the face so that the external light does not leak through the eyes, I never do that. In the present invention, the housings 161 and 162 constituting the main body 160 can be formed by using different materials from the front and the back. In this case, the portion touching the nose of the user can also use the soft material, and the fit can be improved.

The main body 160 may further include a light shielding part positioned to the left and right of the user's face to completely shield external light from leaking. The light shielding portion protrudes rearward from the left and right rear surfaces of the main body 160, and the lower portion overlaps with the user's clown. The upper end of the light shielding portion may protrude further and the lower portion may be formed to have a curvature R2 that is more gentle than the curvature R1 of the upper portion in order to improve the wearing comfort.

The headband 170 is connected to the main body 160. The main body 160 and the headband 170 form a ring extending from the forehead of the user to the back of the head. The headband is connected in the lateral direction of the main body 160 and extends from the top of the user's ear to the back of the head. As shown in FIG. 4, a portion positioned behind the head may be positioned above the portion connected to the main body 160. [ That is, the headband 170 forms an angle of &thetas; and is inclined upward, and as the portion of the headband 170 that is supported at the back of the headband 170 is positioned on the upper side, the force that the main body 160 tilts in the downward direction is canceled It is advantageous.

The position connected to the main body 160 is also located above the main body 160. When the upper part of the main body 160 is fixed, it is brought into close contact with the forehead of the user, and the portion where the clown is located is weakened, so that the force of pressing the clown is weakened. Since the forehead portion of the human face is senseless and the sensation of the ball portion is sensitive, it is possible to reduce the pressure on the ball portion and to improve the fit feeling by supporting the weight of the main body 160 in the forehead portion.

5 is a bottom view of the head-mounted display device 100 of the present invention. The upper portion of the main body 160 protrudes further back than the lower portion, and the weight of the main body 160 is mainly supported on the user's forehead The comfort is improved. The rear of the main body 160 forms a curved surface in accordance with the shape of the user's face and is formed to have a smaller curvature than the lower portion B where the upper portion A touching the forehead touches the ball, .

The head mounted display apparatus 100 of the present invention includes an ear bud 155 as an audio output unit 152 for providing sound as well as a display unit for providing an image and the main body 160 includes an earbud 155, And an ear bud holder 165 which can receive the ear bud holder 165.

The earbud holder 165 may be positioned at an edge between the lower surface and the side surface of the main body 160 so that the user can easily find the head-mounted display device 100, i.e., even when the eyes are hidden. 4, since the lower surface of the main body 160 is located below the ear hole of the user, the earbud 155 is separated in a downward direction. The earbud 155 is connected to the earbud holder 165, It is possible to arrange the ear tip of the elastic material to be fitted around the output acoustic hole so as to face downward.

If the earbud 155 is positioned in the left-right direction and the end portion of the ear-tip is oriented in the left-right direction, the acoustic hole may be seen, which may be a factor of damaging the appearance design. 6 is a side view illustrating an earbud 155 and earbud holder 165 of the present invention. The user removes the earbud 155 from the earbud 155 and pulls the earbud 155 in the backward direction so that the earbud holder 165 can easily pull the earbud 155 in the backward direction with respect to the earbud 155, The inner side surface located at the lower end may be inclined to be inclined toward the back direction toward the lower end.

As shown in FIG. 6 (a), only the inner side located at the rear side may be inclined, or the earbud holder 165 may be inclined toward the bottom as the whole have.

The earbud 155 of the present invention may receive a sound signal from a control unit provided in the main body 160 in a wireless manner and may connect to the main body 160 through an audio cable 154. The wireless earbud 155 may use a more rigid coupling scheme to improve the coupling force to the earbud holder 165. [ For example, there may be a method in which a hook is attached to the earbud 155 and a button for separating the hook is used, or a method in which the hook is coupled in a force fitting manner.

The earbud 155 is connected to the main body 160 through the acoustic cable 154. The acoustic cable 154 is disposed through the cable hole 166 passing through the housing of the main body 160, Is connected to the controller 130 and the other end is connected to the earbud 155. The audio cable 154 may be exposed to the outside, but may further include a rotation module 153 that can be housed inside the main body 160 in terms of portability and appearance design.

7 is a perspective view showing the ear bud 155, the ear bud holder 165, and the rotation module 153 of the present invention. The earbud holder 165 may have a curved shape corresponding to the shape of the earbud 155 so that the earbud 155 is fastened and may include a cable hole 166 through which the acoustic cable 154 passes. The hole may include a cable guide 167 protruding in the direction of the rotation module 153 as shown in FIG. 7 so that the acoustic cable 154 passes stably.

The earbud holder 165 has an opening formed in the housing 161 and a separate member is inserted in the opening. The earbud holder 165 and the rotary module 153 are integrally formed with the earbud 155, To the housing. The data cable 133 can be further passed through the opening for the ear bud holder 165. [

The data cable 133 does not additionally form an opening in the housing 161 for the data cable 133 with a cable for transmitting image data and sound data to the head mounted display apparatus 100, The data cable 133 can be disposed by using the opening for the data cable 133. [ That is, the earbud holder 165 can form a data hole so that the data cable 133 can pass through. (See FIG. 5)

The rotation module 153 includes a cylindrical rotary part 1535 which is wound or unwound around the outer circumferential surface of the acoustic cable 154 in accordance with the rotation direction and a rotary shaft penetrating the rotary part 1535 and fixed to the main body 160 (Not shown). The fixing portion 1530 may include a plate-shaped case which is located outside the rotation module 153 and covers the top and bottom surfaces of the rotation module 153. As the side of the rotation module 153 is entirely enclosed, the size increases, so that a plurality of third fixing portions 1533 can be formed and fixed.

The rotation part 1535 of the rotation module 153 may include a spiral wound tape spring that provides a rotational force to the inside of the rotation module 153. The elasticity of the tape spring prevents the rotation part 1535 from rotating, To be fixed in a drawn-out state.

7, the fixing part 1530 has a rectangular first fixing part 1531 and a second fixing part 1532 which are located on the other surface of the rotation part 1535, and the first fixing part 1531 and the second fixing part 1532 And a third fixing part 1533 connecting the second fixing part 1532 and located around the side surface of the rotation part 1535. When the first fixing part 1531 and the second fixing part 1532 are formed in a quadrangular shape, the four corner parts are most spaced from the rotation part 1535. The third fixing part 1533 is fixed to the first fixing part 1531 And the second fixing part 1532, as shown in Fig.

8 is a view for explaining the arrangement of the earbud 155, the earbud holder 165 and the rotation module 153 of the present invention. The acoustic cable 154 is wound on the outer side of the rotary module 153 and the acoustic cable 154 unrolled from the rotary part 1535 of the rotary module 153 is pulled out in an unstressed state and thus released in the tangential direction of the rotary module 153 Goes.

The rotation module 153 can be disposed such that the center axis of the rotation module 153 is aligned with the cable hole 166 of the earbud holder 165 as shown in FIG. 8 (a). However, in this case, the direction in which the acoustic cable 154 passes through the cable hole 166 is different by the tangential direction of the acoustic cable 154 and the cable guide 167, and the acoustic cable 154 is bent and pulled out, A defect may occur that the wiring 154 is disconnected.

The acoustic cable 154 may be disposed such that the tangential direction thereof is aligned with the cable hole 166 as shown in FIG. 8B. In this case, however, the problem that the acoustic cable 154 is caught by the third fixing part 1533 Lt; / RTI >

8C, the direction of the acoustic cable 154 to be unwound in the tangential direction and the direction of the acoustic cable 154 passing through the acoustic hole are not aligned with each other And the problem that the acoustic cable 154 is caught in the third fixing part 1533 can be solved.

And a first sensor 143 for sensing whether the earbud 155 is coupled to the earbud holder 165 or whether the user has worn the earbud 155. The first sensor 143 may be a hall sensor for sensing magnetism which is changed by a magnet located in the earbud 155 or a switch for physically pressing the earbud 155 when the earbud 155 is received. It is possible. When the bird 155 is stored in the earbud holder 165, the user recognizes that the earbud 155 is not worn. If the bird 155 is not stored in the earbud holder 165, As shown in FIG.

Alternatively, the first sensor 143 may be located in the ear bud 155 to sense the temperature when the user wears it, or to sense the pressure to be pressed, thereby determining whether the user wears the earbud 155. The first sensor 143 is turned off when the earbud 155 is received in the earbud holder 165 and turned on when the earbud 155 is separated from the earbud holder 165 and vice versa.

When the first sensor 143 is turned on, it is determined that the user has worn the earbud 155 and the sound is reproduced through the earbud 155. When the first sensor 143 is turned off, It is determined that the user is not wearing it, and the sound can be outputted through a separate speaker. If the speaker is not provided, the control unit can control whether or not the image output to the video output unit 151 is reproduced according to the ON / OFF state of the first sensor 143.

The second sensor 144 may be provided on the rear surface of the main body 160 where the face of the user touches to determine whether or not the user wears the head mounted display device 100, A representative example is a proximity sensor.

When the user wears the second sensor 144, the second sensor 144 is turned ON. When the user does not wear the second sensor 144, the second sensor 144 is turned OFF. It is possible to judge whether or not it is worn in a state where it can be worn. That is, when the first sensor 143 is ON, the user can hear the sound, and when the second sensor 144 is ON, the user can view the image, so that the user can provide images and sound. However, when one of them is turned OFF, it is impossible to see the video or listen to the sound, so that the playback of the content can be stopped.

9 is a table for explaining a method of controlling the head mounted display device 100 according to whether the first sensor 143 and the second sensor 144 are turned on or off, And a screen displayed on the video output unit according to ON / OFF of the second sensor. When the first sensor 143 is ON and the second sensor 144 is ON, the first image sensor 143 and the second sensor 144 are both turned ON while the image being reproduced is continuously reproduced and the image is not being reproduced The video playback starts.

If the first sensor 143 is ON and the second sensor 144 is OFF, ie, the user does not wear the head-mounted display device 100, and the earbud 155 is not stored in the ear bud holder 165 A notification may be output informing that the image playback is interrupted and the earbud 155 is stored in the ear bud holder 165. [ The notification may be a method of outputting a notification sound or a guidance voice through a speaker.

Next, when the first sensor 143 is OFF and the second sensor 144 is ON, since the head-mounted display device 100 is worn on the head but the earbud 155 is not worn, And outputs a notification to guide the position of the ear bud 155. 10A, since the head-mounted display device 100 is worn by the user, it is also possible for the user to use the earbud 155 to wear the earbud 155, And may output at least one of an image or a message guiding the position of the holder 165. [

If the first sensor 143 is OFF and the second sensor 144 is ON, if the image is not yet reproduced, a notification can be provided to guide the position of the earbud 155 as shown in FIG. 10B .

If the first sensor 143 is OFF and the second sensor 144 is OFF, it is determined that the user does not use any more, so that the image reproduction can be stopped and the power can be turned off.

When the first sensor 143 is turned off, the sound output from the earbud 155 can be outputted through the speaker instead of stopping the reproduction of the image. At this time, a notification window that allows the user to select whether or not to output sound to the speaker can be output to the video output unit 151. [

Thus, it is possible to determine whether or not the user wears the head-mounted display device 100 in a usable state based on ON / OFF of the first sensor 143 and the second sensor 144, The image output unit 151 and the sound output unit 152 of the display device 100 can be controlled.

11 is a view showing a method of wearing a head-mounted display device 100 according to the present invention. Referring to FIG. 11, a main body 160 and a band part 170 for fixing the main body 160 to the head are shown. do. 11 (a), the band portion 170 of the present invention includes a first band 171 and a second band 172, and the first band 171 and the second band 172 And are coupled to the left and right sides of the main body 160, respectively. When the first band 171 and the second band 172 are coupled to each other, the main body 160, the first band 171 and the second band 172 form a closed curve, Can be fixed on the face.

Conventionally, the weight of the main body 160 is so heavy that it is difficult to wear the head mount display by using the integral band portion 170 to support it, and the portion of the band portion 170, which adjusts the length of the band portion 170, There is a problem that the feeling of fit is lowered. The present invention adopts a method of reducing the weight of the main body 160 and fastening both ends of the first band 171 and the second band 172 in order to solve this problem.

A material of the main body 160 that is lighter than plastic can be used as the housing of the main body 160. For example, a nonwoven fabric made of a synthetic resin bonded with an adhesive and made into a felt can be used. Since the main body 160 is lightweight, it is safe to hold only the band portion 170 with both hands when wearing the band portion 170. The force received by the fastening portion for fastening the first band 171 and the second band 172 It can be stably fixed to the user's head without being separated small.

The first band 171 and the second band 172 may have a plurality of magnets at their ends and the magnets of the first band 171 and the second band 172 may be coupled to each other, The second band 172 can be fixed. Each magnet has a fastening force, and as shown in Fig. 11 (b), each magnet is pulled by the pull of the first band 171 and the second band 172 in the wearing state, . Since the forces of the magnets push each other in an arcuate shape, stable engagement can be maintained even with a small force.

The first magnet 173 located in the first band 171 and the second magnet 174 located in the second band 172 may be arranged in the same number, A magnet may be provided. This can be supplemented with an extra magnet so that each person can have different hair sizes and control them.

As shown in FIG. 5, in this embodiment, the number of magnets of the first band 171 is greater than the number of magnets. The portion of the second band 172 where the second magnet 174 is disposed is shorter than the portion of the first band 171 where the first magnet 173 is disposed. The length b of the portion in which the second magnet 174 is disposed in the second band 172 is the number of magnets for supporting the force required to support the main body 160, The length a of the portion in which the first magnet 173 is disposed may further be further arranged so that the first magnet 173 can be adjusted according to the size of the user's head.

12 and 13 illustrate an embodiment of a first magnet 173 located in the first band 171 and a second magnet 174 located in the second band 172 of the present invention, The first magnet 173 and the second magnet 174 have the first pole and the second pole which push out the same poles and pull out the other poles, and the first magnet 173 and the second magnet 174 have one The other pole may be arranged so as not to touch the band.

12A, the first pole (S pole in the drawing) of the first magnet 173 is arranged so as not to contact the first band 171 and the second pole 173 of the second magnet 174 The first magnet 173 and the second magnet 174 are overlapped and joined in the thickness direction of the band when the first magnet 173 and the second magnet 174 are disposed on the second band 172 so as not to contact the second band 172. [

The S pole of the first magnet 173 does not contact the first band 171 and the first pole of the second magnet 174 The first magnet 173 and the second magnet 174 are not pushed together when they overlap in the thickness direction as shown in FIG. 12 (a). Therefore, the first band 171 and the second band 172 can be arranged side by side in the longitudinal direction and fastened.

Since the first band 171 and the second band 172 are urged in opposite directions due to the weight of the main body 160, the first magnet 173 and the second magnet 174 are fastened together like a hook So that it is possible to prevent the first band 171 and the second band 172 from being separated from each other in addition to the fastening force by the magnetic force.

Next, in the embodiment of Fig. 13, the arrangement directions of the first magnet 173 and the second magnet 174 are different. The second magnet 174 may be arranged to engage with the second band 172 such that only one pole is in contact with the second magnet 174 in a direction perpendicular to the second magnet 174 So that the first pole and the second pole are directed to the end of the band and the main body 160.

In this case, the second pole (N pole in the drawing) of the first magnet 173 is engaged at the side of the first pole (S pole in the drawing) of the second magnet 174 as shown in FIG. 13A, The fastening force can be reinforced by a hook method like the embodiment of Fig. 12 (b).

FIG. 13B is a view for explaining a method of separating the first band 171 and the second band 172 of the embodiment of FIG. 13A. When the end of the second band 172 is pulled to separate the first band 171 and the second band 172, the second magnet 174 is arranged in the same direction as the first magnet 173, 173 and the second pole of the second magnet 174 generate repulsive force with each other, thereby facilitating the separation.

As described above, the head mount display device 100 of the present invention can improve the portability by integrally providing the sound output unit 152. In addition, even if the sound output unit 152 is provided, the increase in size and weight can be minimized, and the inconvenience of pressing the nose or clown when worn can be solved.

The head mount display device 100 of the present invention determines whether or not a user wears the sound output unit 152 according to whether the sound output unit 152 is housed in the main body 160, The display device 100 can be controlled to improve convenience of use.

In addition, the size of the headband can be adjusted according to the size and shape of the user's head, and it is possible to prevent the external light from leaking into the user's face and disturbing the appreciation of the image. Accordingly, the size of the headband can be adjusted, and the external light can be prevented from being hindered from being disturbed by the external light leaking from the user's face, thereby improving usability.

The foregoing detailed description should not be construed in all aspects as limiting and should be considered illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all changes within the scope of equivalents of the present invention are included in the scope of the present invention.

100: Head-mounted display device
110: wireless communication unit 120: input unit
130: control unit 133: data cable
135: wireless communication unit 139: power supply unit
140: sensing part 143: first sensor
144: second sensor 150: output section
151: Video output unit 154: Audio cable
155: Earbud 160: Main body
165: Ear bud holder 166: Cable hole
167: cable guide 170: band portion
171: first band 172: second band
173: first magnet 174: second magnet

Claims (19)

A main body including an opening formed in a back surface;
A band unit connected to the main body and fixing the main body to a user's head;
An image output unit disposed inside the main body so as to face the opening and providing an image to the user;
An earbud holder partially received at the main body and positioned at a corner of a side surface and a bottom surface;
The earbud being seated in the earbud holder; And
And a controller for controlling the video output unit and the earbud. The method according to claim 1,
Further comprising a first sensor that changes to an OFF state when the earbud is received in the earbud holder and changes to an ON state when the earbud holder is separated from the earbud,
Wherein the control unit outputs sound through the earbud when the first sensor is in an ON state. 3. The method of claim 2,
And a speaker mounted on the main body,
Wherein the controller outputs sound through the speaker when the first sensor is in the OFF state. 3. The method of claim 2,
And a second sensor that is turned on when the main body is worn by the user on the back surface,
Wherein the control unit controls the image output unit to output an image guiding the storage position of the earbud when the first sensor is in an OFF state and the second sensor is in an ON state. 5. The method of claim 4,
The control unit
And controls the image output unit to output an image when the first sensor is turned on. 5. The method of claim 4,
When the first sensor is turned from an ON state to an OFF state while an image is being output from the image output unit,
Wherein the control unit stops the image provided by the video output unit. The method according to claim 1,
Wherein when the image provided to the image output unit is completed, the earbud holder informs the user that the earbud should be stored in the earbud holder. The method according to claim 1,
The earbud holder
Wherein the inner side surface positioned rearward with respect to the earbud is inclined at an angle to the backward direction toward the lower end. The method according to claim 1,
An acoustic cable having one end connected to the earbud and the other end disposed inside the main body through a cable hole formed in the earbud holder; And
And a rotation module mounted inside the main body and wound with the acoustic cable. 10. The method of claim 9,
The rotation module
A cylindrical rotating part in which the acoustic cable is wound or unwound on an outer circumferential surface according to a rotation direction;
And a fixing part fixed to the main body, the fixing part including a rotation shaft passing through the rotation part,
Wherein the cable hole and the side surface of the rotation part are arranged in a straight line in a vertical direction. 11. The method of claim 10,
Wherein the direction of the acoustic cable extending through the cable hole is coincident with the direction of the acoustic cable extending from the rotary part to the cable hole. 12. The method of claim 11,
The fixed portion
A first fixing part located on one surface of the rotary part;
A second fixing part located on the other surface of the rotary part; And
And a plurality of third fixing parts connecting the first fixing part and the second fixing part and being spaced apart from each other around the side surface of the rotary part
And the third fixing part is not located on a straight line between the rotation part and the cable hole. The method according to claim 1,
Further comprising a pair of openings formed at corners between the side and bottom surfaces of the main body,
Wherein the earbud holder is inserted to cover the pair of openings,
A data hole formed in the earbud holder; And
And a data cable for connecting the external terminal and the control unit through the data hole. A main body including an opening formed in a back surface;
A first band and a second band which are connected to one end and the other end of the main body, respectively, and end portions of the user's head are fastened to each other;
An image output unit disposed inside the main body so as to face the opening and providing an image to the user; And
And a control unit for controlling the video output unit. 15. The method of claim 14,
And a plurality of first magnets arranged side by side along the longitudinal direction at the end of the first band,
And a plurality of second magnets arranged side by side along the longitudinal direction at the end of the second band,
Wherein the first band portion and the second band portion are disposed such that a first pole of the first magnet and a second pole of the second magnet face each other,
Wherein the main body, the first band, and the second band form a closed curve. 16. The method of claim 15,
And a side surface of the first magnet is in close contact with a side surface of the second magnet when the first band and the second band overlap each other. 16. The method of claim 15,
Wherein the first magnet is disposed so that the first pole faces the opposite direction of the end of the first band,
And the second magnet is disposed so that the second pole does not face the second band. 15. The method of claim 14,
The length of the first region in which the first magnet is disposed in the first band is
And the second band is longer than the second region in which the second magnet is disposed. 15. The method of claim 14,
Wherein both ends of the main body protrude in a backward direction and include light shielding parts located on left and right sides of the face of the user,
The main body has a curved line having a first curvature at an upper portion of the back surface,
And a lower portion of the back surface of the main body forms a curve of a second curvature larger than the first curvature.

Images