KR101741096B1 - Virtual reality system using smart phone - Google Patents

Virtual reality system using smart phone Download PDF

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Publication number
KR101741096B1
KR101741096B1 KR1020150126102A KR20150126102A KR101741096B1 KR 101741096 B1 KR101741096 B1 KR 101741096B1 KR 1020150126102 A KR1020150126102 A KR 1020150126102A KR 20150126102 A KR20150126102 A KR 20150126102A KR 101741096 B1 KR101741096 B1 KR 101741096B1
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South Korea
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hmd
smartphone
head
power supply
head mounting
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KR1020150126102A
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Korean (ko)
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KR20170029144A (en
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김용일
이광수
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주식회사 라온텍
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • H04M1/72522—
    • H04N13/0429—

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

The present invention relates to a virtual reality system using a smart phone, and more particularly, to a virtual reality system using a smart phone that can alleviate the inconvenience of a specific human body part in use.
A virtual reality system using a smart phone according to an embodiment includes: an HMD system for displaying an input image input from a smartphone; A power supply unit for supplying power to the HMD system; An HMD head mounting portion for mounting the HMD system and the power source portion and covering a front portion of a user's head; And a smartphone head mount which mounts a phone case for accommodating the smartphone and covers a rear portion of the head of the user and is detachable and detachable from the HMD head mount, And one end of the HMD head mount is integrally formed with the HMD head mount, and the HMD head mount includes one end of the HMD head mount, A balance between the weight of the HMD head mounting part and the weight of the smartphone head mounting part is adjusted according to a position where the power source part is mounted on the power supply mounting part, .

Description

[0001] VIRTUAL REALITY SYSTEM USING SMART PHONE [0002]

The present invention relates to a virtual reality system using a smart phone, and more particularly, to a virtual reality system using a smart phone that can alleviate the inconvenience of a specific human body part in use.

VR (Virtual Reality) is a virtual reality, which refers to a technique capable of creating a virtual screen or sound using special equipment and experiencing it in a similar way as if it were a reality through human senses such as sight or hearing.

In order to experience VR, several basic techniques follow, and a typical example is '3D'. Through stereoscopic visual stimulation, it gives the illusion that it is in reality. A sensor attached to the body is also needed. It grasps eye gaze and hand movements, and plays a role in connecting virtual screen to reality.

The devices that implement VR are the most diverse, and the easiest to see around us is the HMD product. HMD stands for Head Mounted Display and is a head display. Images transmitted separately through the left and right optic nerves give a clear three-dimensional effect as if they are spread out in front of you. And by analyzing my movements by the attached motion sensor and creating the screen accordingly, it is a virtual space, but gives the illusion of walking in reality.

A conventional VR system uses a sensor, a display, a camera, and the like, and is divided into two types. One is an independent VR system such as Oculus Rift and the other is a smart phone such as Galaxy VR (Galaxy VR) installed in an external optical device and installed in a smart phone VR system using smart phone using VR application.

1 is a block diagram of a conventional independent VR system.

Referring to FIG. 1, in the conventional independent VR system method, a system board receives an image output from a terminal such as a desktop or a notebook PC, and processes the image. Then, the liquid crystal display device (LCD device) displays the processed image and the displayed image is enlarged through the optical system.

2 is a block diagram of a conventional VR system using a smartphone.

2, a conventional VR system using a smart phone is a system in which a smart phone is connected to a predetermined device having an optical system and the image of the smart phone is enlarged through an optical system equipped with a predetermined mechanism .

An example of a conventional VR system using a smart phone is disclosed in Korean Patent No. 10-1419007 (hereinafter referred to as "prior patent document").

The prior art document is a head-mounted stereoscopic apparatus for a smartphone, and more particularly, to a stereoscopic apparatus for displaying a two-dimensional image displayed on a smartphone as a three-dimensional image.

In the prior art document, most of the configurations such as a smart phone, a liquid crystal display, and an optical system exist in front of a user's face in such a manner that a predetermined optical system is added and enjoyed on a screen of a smartphone. Accordingly, the center of gravity of the face of the user may be moved forward and inconvenience may occur in the user's neck. Since the weight of the user is concentrated on the nose, the nose of the user may be uncomfortable.

Further, since the liquid crystal is enlarged by the optical system, a pixel of the liquid crystal appears on the user's eyes, thereby increasing the fatigue of the user's eyes and possibly accompanied with dizziness.

KR 10-1419007 B1

SUMMARY OF THE INVENTION An object of the present invention is to provide a VR system using a smart phone which can improve the user's neck and nose inconvenience because the center of gravity of the user's head does not move forward .

In addition, the present invention provides a VR system using a smart phone that can reduce fatigue and dizziness of the user's eyes.

The present invention also provides a VR system using a smart phone capable of reducing the weight of a nose by dispersing a weight that can be concentrated on a user's nose in cooperation with a headset throughout the user's head.

In addition, it provides a VR system using a smart phone that can be separated and assembled to reduce volume during storage and transportation.

The solution of the present invention is not limited to those mentioned above, and other solutions not mentioned can be clearly understood by those skilled in the art from the following description.

A virtual reality system using a smart phone according to an embodiment includes: an HMD system for displaying an input image input from a smartphone; A power supply unit for supplying power to the HMD system; An HMD head mounting portion for mounting the HMD system and the power source portion and covering a front portion of a user's head; And a smartphone head mount which mounts a phone case for accommodating the smartphone, covers a rear portion of the user ' s head, and is engageable with and detachable from the HMD head mount.

Here, the HMD system may include a display device for displaying the input image, and the display device may be a micro display device.

Here, the HMD system includes an image processing unit for processing the input image, and the image processing unit converts the input image into a left eye image and a right eye image for a three-dimensional image, and the HMD system converts the left eye image And a micro display device including two micro display panels for displaying the right eye images and a control chip for controlling the two micro display panels.

Here, the HMD head mounting portion may include a power mount portion in which the power source portion is mountable and detachable, and the weight of the HMD head mount portion and the smartphone head mount portion may be balanced according to the position where the power source portion is mounted on the power mount portion .

The power supply mounting part is a groove having a predetermined length, width and depth along the longitudinal direction of the HMD head mounting part at one end of the HMD head mounting part. The size of the power supply mounting part is larger than the volume of the power supply part, A terminal electrically connected to the power supply unit may be disposed in the power supply unit.

Here, the HMD head mounting portion is provided with the HMD system and the other end is formed with an insertion groove, the phone case is disposed at one end of the smartphone head mounting portion, Possible mounting protrusions can be arranged.

Here, the phone case may have a housing space for housing the smart phone, and the housing space of the phone case may be formed to face a direction opposite to a back side direction of the user's head.

Here, the weight of the HMD head mount and the smartphone head mount may be different from each other.

Here, the phone case may be made of a heat-radiating metal or plastic.

Here, the phone case may be an electromagnetic shielding material.

The headset may further include a headset coupled to one of the HMD head mount and the smartphone head mount, or coupled to a portion extending from any one of the HMD head mount and the smartphone head mount.

The use of the VR system using the smartphone according to the embodiment of the present invention has an advantage that the center of gravity of the user's head can not be moved forward and inconvenience of the user's neck and nose can be improved.

In addition, there is an advantage that fatigue and dizziness of the user's eyes can be reduced.

In addition, there is an advantage that the weight feeling of the nose can be reduced by dispersing the weight that can be concentrated on the nose of the user in cooperation with the headset to the entire head of the user.

In addition, it is possible to separate and assemble, which has the advantage of reducing the volume during storage or movement.

1 is a block diagram of a conventional independent VR system.
2 is a block diagram of a conventional VR system using a smartphone.
3 is a block diagram of a virtual reality (VR) system using a smartphone according to an embodiment of the present invention.
FIG. 4 is a specific example of a virtual reality (VR) system using a smartphone according to the embodiment of the present invention shown in FIG.
FIG. 5 is a diagram further illustrating a headset in a virtual reality (VR) system using a smartphone according to an embodiment of the present invention shown in FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description of preferred embodiments of the present invention will be given with reference to the accompanying drawings. It should be noted that in the drawings, the same reference numerals and the same elements are denoted by the same reference numerals even though they are shown on different drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.

Hereinafter, a virtual reality (VR) system using a smart phone according to an embodiment of the present invention will be described with reference to the accompanying drawings.

3 is a block diagram of a virtual reality (VR) system using a smartphone according to an embodiment of the present invention.

Referring to FIG. 3, a virtual reality (VR) system using a smartphone according to an embodiment of the present invention includes an HMD system 100, a smart phone 300, and a power source unit 500.

The HMD system 100 receives a predetermined image (hereinafter referred to as an 'input image') from the smartphone 300 through wired or wireless communication, processes the input image, and displays the processed input image.

The HMD system 100 includes a display device for displaying a processed input image, wherein the display device may be a micro display device. Here, the microdisplay device may include a microdisplay panel and a control chip for controlling the microdisplay panel.

A micro display means a small-sized and three-dimensional display having a resolution required for an information display device on a small screen having a diagonal of 1 inch or less. Microdisplays are classified into a transmissive type, a reflective type, and a light emitting type. As the transmissive type, a thin film transistor liquid crystal display (TFT LCD) using a high-temperature polysilicon and a silicon-on-insulator (SO) using a silicon wafer are typical. The reflection type includes a silicon liquid crystal display (LCOS) using a silicon wafer as a substrate and a liquid crystal using a metal electrode having a high reflectance as a pixel electrode as a reflection mode, and a liquid crystal display (LCOS) And a digital micromirror display (DMD) that adjusts the brightness of the display. In the light emitting type, a light emitting layer is formed on a silicon substrate or a switching array substrate formed of polysilicon to self-emit light, and organic electroluminescence (EL) or inorganic EL is used.

In a conventional VR system using a smart phone, the pixels of the screen of the smartphone are enlarged by the optical system, so that they are identified to the user. However, since the VR system using the smartphone according to the embodiment of the present invention includes the HMD system 100 having the microdisplay device, the user can use the smart phone 300 ), It is possible to enjoy the virtual reality more comfortably because it can reduce the fatigue of eyes even with the same resolution.

The microdisplay device of the HMD system 100 may include two microdisplay panels to provide a three-dimensional image. One microdisplay panel is for outputting a left eye image and the other microdisplay panel is for outputting a right eye image.

The input image provided to the HMD system 100 in the smartphone 300 may be a two-dimensional or three-dimensional image that is actually being displayed on the smartphone 300.

When the image actually displayed on the smartphone 300 is a two-dimensional image, the two-dimensional image displaying the specific software installed in the smartphone 300 is converted into a left eye image and a right eye image having a predetermined offset from each other And provides the converted left-eye image and right-eye image to the HMD system 100. Alternatively, the HMD system 100 may perform a software process on a two-dimensional image actually displayed in the smartphone 300, and convert the two-dimensional image into a left-eye image and a right-eye image having a predetermined offset from each other.

The HMD system 100 includes an image processing unit for processing an input image provided from the smartphone 300. [ The image processing unit suitably converts the two-dimensional or three-dimensional image provided by the smartphone 300 to fit the HMD system 100. The image processing unit may convert a two-dimensional image provided from the smartphone 300 into a three-dimensional image.

The HMD system 100 and the smartphone 300 may be connected to each other by wire or wirelessly. For example, in a wired connection, the HMD system 100 and the smartphone 300 may be connected by a Mobile High Definition Link (MHL) or a High-Definition Multimedia Interface (HDMI).

The smartphone 300 refers to a mobile phone to which hardware and software modules capable of wireless telephone communication are added to a device equipped with a miniaturized operating system of a PC.

The smartphone 300 is connected to the HMD system 100 by wire or wireless, and provides an image to the HMD system 100. The image provided to the HMD system 100 may have a data format. For example, as described above, the smartphone 300 may provide the HMD system 100 with two-dimensional image data or three-dimensional image data being displayed.

The power supply unit 500 provides power to the HMD system 100. The power source unit 500 may be a battery having a predetermined volume. The battery may be a rechargeable battery or a small battery.

The power supply unit 500 may also provide power to the smartphone 300 connected to the HMD system 100 either wired or wirelessly.

A virtual reality (VR) system using a smartphone according to an embodiment of the present invention receives a predetermined input image from a smartphone 300 and displays an input image provided through the HMD system 100. [ The HMD system 100 is powered by a power supply unit 500 and is driven.

Referring to FIG. 4, a virtual reality (VR) system using a smart phone according to an embodiment of the present invention will be described in more detail.

FIG. 4 is a specific example of a virtual reality (VR) system using a smartphone according to the embodiment of the present invention shown in FIG.

4, a virtual reality (VR) system using a smartphone according to an embodiment of the present invention includes an HMD system 100, a power unit (not shown), an HMD head mounting unit 1000, and a smartphone head mounting unit 3000 ).

The HMD head mounting portion 1000 has a shape that covers the front portion of the user's head H and can wind the front portion of the user's head H. [ For example, the HMD head mounting unit 1000 may be a rigid plate having a predetermined curvature, or may be a band type that can be bent to conform to the shape of the user's head H when the user wears the head H .

The HMD head mounting portion 1000 includes both ends. One end of the HMD head mount 1000 is connected to the HMD system 100 and the other end is connectable with the smartphone head mount 3000. Here, one end of the HMD head mount 1000 may be formed integrally with the HMD system 100. [

The HMD head mounting unit 1000 may include a power supply unit 1300 to which a power unit (not shown) is mounted. Specifically, the power supply unit 1300 may include a power supply unit (not shown) at one end of the HMD head mount 1000.

The power supply mounting portion 1300 may be a groove having a predetermined length, width, and depth along the longitudinal direction of the HMD head mounting portion 1000 at one end of the HMD head mounting portion 1000. The size of the power supply unit 1300 may be larger than the volume of the power supply unit, and a terminal electrically connected to the battery may be disposed in the power supply unit 1300. The terminal may have a structure that can be electrically connected to the battery irrespective of the position at which the battery is mounted in the power supply unit 1300. [ With such a power supply mounting portion 1300, the center of gravity of the virtual reality (VR) system using the smartphone according to the embodiment of the present invention can be caught by using the battery. Here, the gravity center means that the center of gravity of the virtual reality (VR) system using the smartphone according to the embodiment of the present invention is shifted to a specific part of the front, rear and both sides of the user's head H Or located on the crown of the user's head (H), rather than being located in any particular part. As a specific example of use, when a user attaches a battery to the power supply mounting portion 1300 and places the battery at a specific position of the power supply mounting portion 1300 in accordance with the weight of the smartphone 300 mounted on the phone case 3100, The center of gravity of a virtual reality (VR) system using a smart phone according to an embodiment of the present invention can be caught.

The other end of the HMD head mounting part 1000 may include an insertion groove 1100 into which the mounting protrusion 3500 of the smartphone head mounting part 3000 is inserted.

The smartphone head mounting portion 3000 covers the rear portion of the user's head H and has a shape that can wind the rear portion of the user's head H. [ For example, the smartphone head mounting unit 3000 may be a rigid plate having a predetermined curvature, or may be a band type that can be bent according to the shape of the user's head H when the user wears the head H have.

The smartphone head mounting portion 3000 includes both ends. One end of the smartphone head mounting part 3000 is connected to the phone case 3100 and the other end is connectable with the HMD head mounting part 1000. Here, one end of the smartphone head mounting part 3000 may be integrally formed with the phone case 3100.

A mounting protrusion 3500 that can be mounted to the insertion groove 1100 of the HMD head mounting portion 1000 may be disposed at the other end portion of the smartphone head mounting portion 3000 including the other end. Here, the shape of the mounting projection 3500 corresponds to the shape of the insertion groove 1100.

The smartphone head mounting section 3000 includes a phone case 3100. The phone case 3100 is a means for storing the smart phone 300. [ The phone case 3100 provides an accommodating space of the smartphone 300. Considering that the shape and size of the smartphone 300 are various, it is desirable that the phone case 3100 has a size sufficient to accommodate the largest smart phone. Since the screen size of a commercially available smart phone is at least 60 × 40 [mm] and a maximum size of 140 × 80 [mm] in the horizontal and vertical directions, it is desirable that the smartphone accommodating space is sized to accommodate the maximum size. In the case of a smartphone that is smaller than the accommodation space, it is desirable to provide a supplementary member for each type of smartphone to fill the gap between the accommodation space and the smartphone so that the smartphone can be inserted into the accommodation space without being loosely inserted.

The receiving space of the phone case 3100 may be formed to face the direction opposite to the rear side direction of the user's head H. [ Accordingly, when the smartphone 300 is installed in the accommodation space of the phone case 3100, the display screen of the smartphone 300 can be displayed to others present behind the user. When the display screen of the smartphone 300 is displayed to other users behind the user, other users behind the user can enjoy movies and games together with the user. In addition, there is an advantage in that heat and electromagnetic waves emitted from the smartphone 300 can be blocked by the user's head H.

The phone case 3100 may be made of a heat-dissipative metal or plastic material so as to rapidly dissipate the heat emitted from the smartphone 300 mounted thereon.

The phone case 3100 may be an electromagnetic wave shielding material capable of blocking electromagnetic waves emitted from the smartphone 300. [

The HMD head mounting unit 1000 and the smartphone head mounting unit 3000 can be coupled to each other through the insertion groove 1100 and the mounting protrusion 3500. [ The joint portion of the HMD head mount 1000 and the smartphone head mount 3000 may be formed on the top of the head H of the user.

The HMD head mounting unit 1000 and the smartphone head mounting unit 3000 may be combined with each other to have a shape corresponding to the shape of the head H of the user.

Since the HMD head mounting unit 1000 and the smartphone head mounting unit 3000 can be separated through the insertion groove 1100 and the mounting protrusion 3500, the HMD head mounting unit 1000 and the smartphone head mounting unit 3000 can be easily separated in a separated state, have.

When the smartphone 300 is mounted on the smartphone head mounting part 3000 and the HMD head mounting part 1000 and the smartphone head mounting part 3000 are coupled to each other, the HMD head mounting part 1000 is provided with the HMD system 100, The entire weight of the VR system using the smartphone according to the embodiment of the present invention is attached to the head H of the user, It is dispersed to the front part and the back part by reference. Therefore, when the user mounts the VR system using the smartphone according to the embodiment of the present invention, the center of gravity of the user's head H does not move forward. Therefore, fatigue of the user's neck and nose can be reduced.

Here, the weight of the HMD head mount 1000 and the smartphone head mount 3000 may be different from each other. The total weight of the HMD head mounting unit 1000 having the power supply unit (not shown) is equal to or nearly equal to the total weight of the smartphone head mounting unit 3000 equipped with the smartphone 300, The weight of the smartphone head mounting part 3000 can be determined. The total weight of the VR system using the smartphone according to the embodiment of the present invention is uniformly or evenly dispersed in the front portion and the rear portion with respect to the head H of the user so that the center of gravity of the user's head H is forward Can be mitigated.

In general, the smartphone 300 is between approximately 100 g and 200 g, and the weight of the smartphone head mount 3000 is determined by considering the weight of the HMD system 100 and the weight of the HMD head mount 1000 Is preferable.

The VR system using the smartphone according to the embodiment of the present invention is arranged such that the HMD system 100 and the phone case 3100 are symmetrical with respect to the user's head H, Therefore, the total weight of the VR system using the smartphone according to the embodiment of the present invention is dispersed in the same or similar manner to the front and back portions based on the user's head H, and the center of gravity of the user's head H is moved forward Can be mitigated.

The VR system using the smartphone according to the embodiment of the present invention may further include a headset. Will be described with reference to FIG.

FIG. 5 is a diagram further illustrating a headset in a virtual reality (VR) system using a smartphone according to an embodiment of the present invention shown in FIG.

The headset 700 shown in FIG. 5 may be coupled to any one of the HMD head mount 1000 and the smartphone head mount 3000, or may be coupled to a portion extending from any one of them.

The headset 700 is disposed on both sides of the user's head H so as to cover both ears of the user's head H. [

The headset 700 preferably has a Bluetooth communication function. The headset 700 can receive an audio signal of an image reproduced in the smartphone 300 through Bluetooth communication, convert it into sound, and output it. Of course, the headset 700 may be configured to be wired to the smartphone 300.

If the virtual reality (VR) system using the smartphone according to the embodiment of the present invention further includes the headset 700, the total weight of the virtual reality (VR) system using the smartphone according to the embodiment of the present invention is reduced 700).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, It will be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. For example, each component specifically shown in the embodiments can be modified and implemented. It is to be understood that all changes and modifications that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

100: HMD system
300: Smartphone
500:
1000: HMD head mounting part
3000: Smartphone head mount
700: Headset

Claims (11)

An HMD system for displaying an input image input from a smartphone;
A power supply unit for supplying power to the HMD system;
An HMD head mounting portion for mounting the HMD system and the power source portion and covering a front portion of a user's head; And
And a smartphone head mount portion that mounts a phone case for accommodating the smartphone, covers a rear portion of the user ' s head, and is detachable and detachable from the HMD head mount portion,
Wherein the HMD head mounting portion includes one end where the HMD system is disposed and the other end that is engageable with the smartphone head mounting portion,
One end of the HMD head mount is integrally formed with the HMD system,
Wherein the HMD head mounting portion includes a power receiving portion formed at one end of the HMD head mounting portion,
Wherein a balance between the weight of the HMD head mounting part and the weight of the smartphone head mounting part is adjusted according to a position where the power supply part is mounted on the power supply mounting part,
Virtual reality system using smart phone. The method according to claim 1,
Wherein the HMD system includes a display device for displaying the input image,
The display device is a micro display device, which is a virtual reality system using a smart phone. The method according to claim 1,
Wherein the HMD system includes an image processing unit for processing the input image,
Wherein the image processing unit converts the input image into a left eye image and a right eye image for a three-dimensional image,
The HMD system includes a micro display device including two micro display panels for displaying the left eye image and the right eye image respectively and a control chip for controlling the two micro display panels, Virtual reality system using. delete The method according to claim 1,
Wherein the power supply mounting portion is a groove having a predetermined length, width, and depth along a longitudinal direction of the HMD head mounting portion at one end of the HMD head mounting portion,
The size of the power supply mounting part is larger than the volume of the power supply part,
And a terminal electrically connected to the power supply unit is disposed in the power supply mounting unit. The method according to claim 1,
An insertion groove is formed at the other end of the HMD head mounting portion,
Wherein the phone case is disposed at one end of the smartphone head mount and the mounting protrusion is coupled to the insertion slot at the other end. The method according to claim 1,
Wherein the phone case has a housing space for housing the smart phone,
Wherein the housing space of the phone case is formed to face a direction opposite to a rear side direction of the head of the user. The method according to claim 1,
Wherein the HMD head mounting part and the smartphone head mounting part are different in weight from each other. The method according to claim 1,
Wherein the phone case is a metal or plastic material that can radiate heat. The method according to claim 1,
Wherein the phone case is an EMI shielding material. The method according to claim 1,
Further comprising a headset coupled to or coupled to any one of the HMD head mount and the smartphone head mount.
KR1020150126102A 2015-09-07 2015-09-07 Virtual reality system using smart phone KR101741096B1 (en)

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KR101865026B1 (en) * 2017-12-26 2018-07-04 주식회사 한국이쓰리시험연구소 Electromagnetic wave shielding device for digital devices worn on head
CN108174175A (en) 2018-01-30 2018-06-15 小派科技（上海）有限责任公司 VR display systems based on mobile terminal
KR102145194B1 (en) * 2018-06-05 2020-08-18 주식회사 크래커스 Platform establishing system for offline handicraft workshop matching service and method for serving offline handicraft workshop matching using this
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KR102611770B1 (en) * 2023-03-02 2023-12-08 주식회사 라훔나노테크 Apparatus For Providing 3D Images Using Head Mount Device And Method For Manufacturing Mold For Forming Non-glass 3D Film Layer Used In Apparatus For Providing 3D Images

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