KR20170048752A - Head Mount Display - Google Patents

Head Mount Display Download PDF

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Publication number
KR20170048752A
KR20170048752A KR1020150149227A KR20150149227A KR20170048752A KR 20170048752 A KR20170048752 A KR 20170048752A KR 1020150149227 A KR1020150149227 A KR 1020150149227A KR 20150149227 A KR20150149227 A KR 20150149227A KR 20170048752 A KR20170048752 A KR 20170048752A
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KR
South Korea
Prior art keywords
sliding cover
main body
hmd
display device
seating
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Application number
KR1020150149227A
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Korean (ko)
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KR101765392B1 (en
Inventor
김진태
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김진태
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Priority to KR1020150149227A priority Critical patent/KR101765392B1/en
Publication of KR20170048752A publication Critical patent/KR20170048752A/en
Application granted granted Critical
Publication of KR101765392B1 publication Critical patent/KR101765392B1/en

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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
    • G02B27/0176—Head mounted characterised by mechanical features

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

Abstract

The present invention provides a head mount display comprising: an HMD body having a seating unit having an open front surface to make a display device seated therein; and a sliding cover slidably coupled with both sides of the seating unit of the HMD body in a longitudinal direction, closing the open front surface of the seating unit, having a one-touch-type locking device formed at the bottom side thereof to be locked and unlocked with the body, and opening the seating unit by being slid to the top thereof by means of elastic restoring force when the locking device is unlocked. According to an embodiment of the present invention, when the front surface part of the sliding cover is pressed, the seating unit of the HMD body on which the display device is seated is opened while the sliding cover is smoothly bent back to a top, so the display device can be easily accommodated and withdrawn. Moreover, the display device can be conveniently replaced and used. Furthermore, even when the HMD body is worn on a head, the display device can be conveniently replaced, and thus a user convenience is improved.

Description

Head Mount Display [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a head mount display, and more particularly, to a head mount display that facilitates the storage and retrieval of a display device, thereby improving ease of use.

In recent years, the demand for personal display devices has been increasing due to the miniaturization of display devices. The image output from a small image display device is enlarged using an optical system, and a large screen is displayed at a certain distance A display device that has the same effect as viewing an image is being developed.

Since most of these devices are worn on the head in the same way as glasses, they are called Head Mounted Display (HMD). In general, the HMD uses the precision optical device included in the interior of the user's eyes Refers to a video display system that allows a predetermined image to be formed in one eye or both eyes at a close position.

The HMD is designed to have a very short focal length in order to exhibit such device characteristics, and has been mainly used for image implementation of military, medical, educational video systems and entertainment virtual reality systems. Recently, however, Various hardware such as a portable audio / video (AV) system (for example, a DVD system, a home theater, etc.) and wired and wireless computers have been developed and mass- .

The conventional HMD has its own display and uses a set-top box (a large size external control circuit). Such a system configuration is disadvantageous in that it is heavy and requires additional external power supply and input device. Further, since the mounted display is fixed, there is a problem that it can not be replaced with another display device.

Korean Published Patent: 10 - 2015 - 0059085 (Publication date May 05, 2015)

Korean Registered Patent: 10 -1530788 (Notification Date: June 22, 2015)

SUMMARY OF THE INVENTION The present invention has been made to solve the conventional problems,

SUMMARY OF THE INVENTION It is an object of the present invention to provide a head-mounted display that facilitates the storage and retrieval of a display device, thereby enabling a user to replace the display device according to a user.

Another object of the present invention is to provide a head-mounted display in which a display device can be easily replaced even when the cover is worn on the head.

According to an aspect of the present invention, there is provided a head-mounted display, including: an HMD body having a seating portion with a front face open so that a display device is seated inside; And a one-touch type locking device for locking and unlocking the front side of the seat by closing the open front side of the seat by sliding both sides of the seating part of the HMD main body, And a sliding cover which is slid on the upper part by an elastic restoring force when the locking device is unlocked to open the seating part.

Here, the sliding structure of the sliding cover may include a guide protrusion on both sides of the upper portion of the seating portion in the front portion of the HMD body, and the guide protrusion may be formed on a surface of the sliding cover, And the guide groove portion is slid by being guided by the guide groove portion of the sliding cover on the guide projection portion of the HMD main body.

Further, the sliding cover of the HMD body is formed on both left and right sides of the seat portion in the HMD main body in a downward direction in the guide groove portion, and on the lower end side of the surface of the HMD body corresponding to the front portion of the HMD body, And a guide protrusion of the sliding cover is coupled to the guide groove of the HMD main body so as to be guided.

The resilient restoring force for sliding the sliding cover is realized by a restoring spring that is deformed when the main body is locked with the main body due to the closing of the seating part of the sliding cover and provides a feeding force to the sliding cover by a restoring force when the main body is unlocked .

The restoring spring is wound on the upper side of the front portion of the HMD main body, and the other end is fixed to the lower side of the rear portion of the sliding cover so that the restoring spring is released when the main body is locked with the main body due to the closing of the seating portion of the sliding cover. And a wound type leaf spring for winding the sliding cover upward while being wound by a restoring force generated in a winding direction when released.

The restoring spring has one end fixed to the lower side of the front portion of the HMD main body and the other end fixed to the lower side of the rear portion of the sliding cover to be compressed when locking the main body due to the closing of the seat of the sliding cover, And a coil spring for moving the sliding cover upward by an elastic restoring force.

When the sliding cover is unlocked by pressing the lower end of the sliding cover once and an external force is applied to the sliding cover to close the opened seating part, the lower end of the sliding cover is hooked on the front part of the HMD body to be locked .

The locking device includes a latch portion protruding from a rear portion of the sliding cover and bent downward, and a latch portion provided on an entrance side of the seating portion of the HMD main body to latch the latch portion.

The display device may further include a cartridge for stable seating on a seating portion of the HMD main body.

The cartridge is detachably coupled to a seat of the HMD body, and the display device is detachably coupled to the cartridge.

Further, the size of the inner diameter of the cartridge varies depending on the type and the type of the display device.

In addition, the cartridge includes a connection port for communication connection between the display device and the HMD main body.

In addition, the HMD main body includes a sensing unit mounted on the seating unit and sensing a closed state of the sliding cover, and a control unit for applying or cutting off power according to a signal applied from the sensing unit .

In addition, an LED display unit may be further provided on an outer surface of the HMD main body so that an LED lamp is illuminated when the power is applied to the HMD body to check the state of power supply.

According to the embodiment of the present invention, when the front portion of the sliding cover is pressed, the sliding cover is smoothly turned up and the seating portion of the HMD body is opened, so that the display device can be easily stored and taken out, It is effective.

Further, the display device can be easily replaced even when the HMD main body is worn on the head, thereby improving the ease of use.

1 is a perspective view illustrating a head-mounted display according to an embodiment of the present invention;
FIG. 2 is a perspective view illustrating a seating portion in which a cover is slid upward and a display device is seated in a head-mounted display according to an embodiment of the present invention; FIG.
3 (a) and 3 (b) are perspective views for explaining a cartridge for mounting a display device on a seating part in a head-mounted display according to an embodiment of the present invention;
4 (a) and 4 (b) are partial side sectional views for explaining a structure in which a cover is slid by an elastic restoring force of a wind-up type leaf spring in a head mount display according to an embodiment of the present invention.
5A and 5B are partial side sectional views for explaining a structure in which a cover is slid by an elastic restoring force of a coil spring in a head mount display according to an embodiment of the present invention.
6 (a) and 6 (b) are enlarged cross-sectional views illustrating a structure and operation of a locking device in a head-mounted display according to an embodiment of the present invention.
7 is a configuration diagram showing a configuration for automatically turning on / off power of an HMD main body in a head mount display according to an embodiment of the present invention.

These and other objects, features and other advantages of the present invention will become more apparent by describing in detail preferred embodiments of the present invention with reference to the accompanying drawings. Hereinafter, a head-mounted display according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. For purposes of this specification, like reference numerals in the drawings denote like elements unless otherwise indicated.

FIG. 1 is a perspective view illustrating a head mount display according to an embodiment of the present invention. FIG. 2 is a perspective view of a head mount display according to an embodiment of the present invention. 3A and 3B are perspective views for explaining a cartridge for mounting a display device on a mounting part and show that the inner diameter of the cartridge varies depending on the size of the display device . 4A and 4B are partial side sectional views for explaining a structure in which the cover is slid due to the elastic restoring force of the wind-up type leaf spring, in which (a) shows a state in which the leaf spring is released by an external force (B) shows a state in which the cover is slid while being wound by an elastic restoring force of the leaf spring due to the elimination of an external force. FIGS. 5 (a) and 5 (b) (A) shows a state in which the coil spring is compressed when the cover is lowered by an external force, (b) shows a state in which the coil spring is compressed due to the removal of the external force, And the cover is slid to the top due to the elastic restoring force. 6A and 6B are enlarged cross-sectional views for explaining the structure and operation of the locking device. Fig. 6A shows a state in which the cover is locked down from the top to the bottom, Fig. 7 shows a state in which the power of the HMD main body is automatically turned on / off.

1 to 6, the head-mounted display according to an embodiment of the present invention includes an HMD main body 200 having a seating portion whose front face is opened so that the display device 100 can be seated inside the HMD main body 200, A locking device for locking and unlocking the HMD main body is provided on the lower side of the seat, and a locking device for locking and unlocking the locking device is provided on both sides of the seating part, And a sliding cover 300 which slides upward to open the seating portion due to the elastic restoring force.

As shown in FIGS. 1 and 2, the HMD main body 200 has a face-shaped curved surface structure that faces the user's face, and a band-shaped wearing member 201 is coupled to the head so as to be worn on the head.

The HMD main body 200 is provided with a seating part 210 having a recessed shape so that the display device 100 is seated.

A cartridge 110 for stable mounting of the display device 100 is coupled to the outside of the display device 100 that is seated in the seating part 210.

The display device 100 includes mobile devices such as a smart phone, a portable game machine, a PDA, and a digital camera.

The display device 100 is detachably coupled to the cartridge 110 and the cartridge 110 is detachably coupled to the seat 210 of the HMD body 200.

Therefore, as shown in FIGS. 3A and 3B, the size of the inner diameter of the cartridge 110 coupled to the outside of the display device 100 varies depending on the type and type of the display device 100. At this time, the size of the inner diameter of the cartridge 110 is made different according to the size of the display device 100, and the outer diameter of the cartridge 110 is made equal to the size of the seating part 210.

That is, the cartridge 110 can be replaced according to the type and model of the display device 100, and the replaced cartridge 110 is detachably coupled to the seat 210 of the HMD main body.

In addition, the cartridge 110 may include a connection port 111 for communication connection between the display device 100 and the HMD main body 200.

The HMD main body 200 is coupled with a sliding cover 300 that opens and closes the seating portion 210 having the front open.

The sliding cover 300 is slidably engaged with both ends of the seat portion 210 in both the upper and lower longitudinal directions.

4, the sliding structure of the sliding cover 300 includes a guide protrusion 220 on the left and right sides of the upper portion of the seating portion 210 in the front portion of the HMD main body 200, A guide groove 310 is formed in the upper and lower longitudinal sides of the guide protrusion 220 of the HMD main body 200 so that the guide protrusion 220 is engaged with the front surface of the HMD main body 200, The guide groove 310 can be guided and slid.

5, in the sliding structure of the sliding cover 300, guide grooves 230 are formed on the left and right sides of the seating part 210 in the HMD body 200 in the up and down directions, A guide protrusion 320 is provided on the lower end of the surface of the sliding cover 300 corresponding to the front surface of the HMD main body 200 so that the guide protrusion 320 of the sliding cover is inserted into the guide slot 230 of the HMD main body 200, May be slidably coupled to guide.

The sliding cover 300 closes the open face of the seat 210 when the HMD 200 is locked with the locking device 400 and the upper face So that the seat 210 is opened.

The elastic restoring force for sliding the sliding cover 300 is deformed when the sliding cover 300 is locked with the HMD main body 200 due to the closing of the seating portion 210 and is then transferred to the sliding cover 300 The restoring springs 330 and 340 are provided.

4 (a) and 4 (b), the restoring spring is wound on the upper side of the front portion of the HMD main body 200 and has one end fixed to the lower side of the rear portion of the sliding cover 300 Up type leaf spring 330. [0043]

4A, the retractable leaf spring 330 fixed to the upper side of the front portion of the HMD main body 200 and the lower side of the rear portion of the sliding cover 300 is attached to the sliding cover 300 When the sliding cover 300 is lowered by the applied external force and the external force is removed as shown in FIG. 4 (b), the winding type plate spring 330 is wound by the restoring force generated in the winding direction, The cover 300 is transported upward.

5 (a) and 5 (b), the restoring spring has one end fixed to the lower side of the front portion of the HMD main body 200 and the other end fixed to the lower side of the rear portion of the sliding cover 300 And a coil spring 340.

The coil spring 340 fixed to the lower side of the front portion of the HMD main body 200 and the lower side of the rear portion of the sliding cover 300 has a basic state in which an external force is not applied to push the sliding cover 300 upward And has a resilient force to support it.

5 (a), when an external force is applied to the sliding cover 300 and the sliding cover 300 is lowered, the coil spring 340 is compressed, and as shown in FIG. 5 (b) When the external force applied to the sliding cover 300 is removed, the sliding cover 300 is pushed upward by an elastic restoring force and is transported.

The curved surfaces of the guide protrusions 220 and 320 and the guide grooves 310 and 230 may be formed to be curved when the sliding cover 300 is slid upward and downward. The resilient restoring force of the restoring springs 330 and 340 and the curved surfaces of the guide protrusions 310 and 230 of the guide grooves smoothly slide the sliding cover 300.

The locking device 400 is provided on the lower side of the HMD main body 200 to prevent the sliding cover 300 from being opened when the seating part 210 is closed due to the sliding cover 300, (200).

When the locking device 400 is unlocked by pressing the lower end of the sliding cover 300 once and then the opened seating part 210 is closed by applying an external force to the sliding cover 300, And is locked to the front surface of the HMD body 200 to be locked.

6A and 6B, the locking device 400 includes an engagement portion 410 protruding from the rear portion of the sliding cover 300 and bent downward, And an engaging piece 420 protruding upward from the seating part entrance side of the seat part and bent toward the seat entrance part.

At this time, the bottom surface of the latch part 410 is tapered or curved, and the bent top surface of the latch part 420 is tapered or curved so that the bottom surface of the latch part and the top surface of the latching part are in sliding contact with each other.

6 (a), the sliding cover 300 is lowered by the applied external force, and the bottom surface of the latch part 410 comes into sliding contact with the upper surface of the latch piece 420, The upper surface of the latch part 410 is hooked on the bottom surface of the latch piece 420 and is locked.

6 (b), when the lower end of the sliding cover 300 is pushed, the latch portion 410 fixed to the latch piece 420 is pushed backward by the pressing force, The lock is unlocked. At this time, the sliding of the sliding cover 300 is performed by the restoring force of the restoring springs 330 and 340.

In addition, the HMD main body 200 includes a sensing unit 250 on which the display device 100 is seated on the seating unit 210 and senses a closed state of the sliding cover 300, (Not shown).

7, the sensing unit 250 includes a first sensing unit 251 for determining whether the display device 100 is seated, a second sensing unit 252 for determining whether the sliding cover 300 is closed, The control unit 260 may include a power supply unit and a motion sensor unit 270 provided in the HMD body 200 when a signal is applied from the first sensing unit 251 and the second sensing unit 252, And the like.

Here, the first sensing unit 251 and the second sensing unit 252 may include a sensing switching or sensing sensor.

That is, when no signal is applied from any one of the first sensing unit 251 and the second sensing unit 252, the controller 260 does not apply power to the HMD main body 200, The display device 100 is seated in the seating part 210 and the sliding cover 300 is closed by applying power to the HMD main body 200 when a signal is applied from the second sensing part 252 The power is turned on when the sliding cover 300 is opened or the display device 100 is not seated.

The HMD main body 200 may further include an LED display unit 280 on the outer side of the HMD main body 200 to allow the LED lamp to emit light when the power is applied to the main body 200. [ At this time, the LED display unit 280 can display the beauty of the HMD main body 200 through various designs.

The operation of the head mount display configured as described above will be described below.

First, in the state of FIG. 1, the sliding cover 300 closing the seating portion 210 of the HMD main body 200 is pressed to open the seating portion 210. At this time, when the sliding cover 300 is pushed, the latching part 410 of the locking device 400 is pushed backward by the pressing force and is released from the latching piece 420 to release the locking, and also by the elastic restoring force of the restoring springs 330 and 340 The seating part 210 is opened while the sliding cover 300 is slid.

Next, the display device 100 is coupled to the cartridge 110. Here, the display device 100 is an example of the smart phone shown in the drawing.

The cartridge 110 coupled with the smartphone as the display device 100 is seated on the seat 210 and is fixed and then the sliding cover 300 slid up to lower the seating part 210 to close the seat 210 . At this time, when an external force is applied to the sliding cover 300 which is slid to the upper part, the lock spring 410 of the locking device provided on the sliding cover 300, together with the expansion or compression of the restoring springs 330 and 340, So that the sliding cover 300 is locked.

In addition, the first sensing unit 251 transmits the seating sensing signal of the display device 100, i.e., the smartphone, placed on the seating unit 210 to the control unit 260, and the second sensing unit 252 transmits the seating sensing signal of the smartphone, The control unit 260 receives a signal from the first sensing unit 251 and the second sensing unit 252 and transmits a closing signal of the HMD 300 to the control unit 260. The control unit 260 receives signals from the first sensing unit 251 and the second sensing unit 252, (Not shown). At this time, the LED lamp of the LED display unit 280 is illuminated by the application of the power source, so that it is possible to check the state where the power source is externally applied.

As described above, according to the present invention, when the front surface of the sliding cover is pressed, the sliding cover is smoothly turned up so that the seating portion of the HMD main body is opened so that the display device can be easily stored and taken out and the display device can be easily replaced .

Further, the display device can be easily replaced even when the HMD main body is worn on the head, thereby improving the convenience of use.

Although the preferred embodiments of the present invention have been described, the present invention is not limited to the specific embodiments described above. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the appended claims, And equivalents may be resorted to as falling within the scope of the invention.

100: display device 110: cartridge
200: HMD main body 201: wearing member
210: seat part 220:
230: guide groove part 250: sensing part
251: first sensing unit 252: second sensing unit
260: Control section 270:
280: LED display part 300: sliding cover
310: guide groove portion 320: guide projection portion
330: Winding-type leaf spring 340: Coil spring
400: Locking device 410: Clasp
420:

Claims (14)

An HMD main body having a seating part whose front face is opened so that the display device is seated inside; And
A lock mechanism for locking and unlocking the main body is provided on the lower side of the HMD main body by being slidably coupled to both sides of the HMD main body in the longitudinal direction thereof, A sliding cover which slides upward to release the seating portion by an elastic restoring force when the locking device is unlocked;
And a head mounted display. The method according to claim 1,
The sliding structure of the sliding cover includes a guide protrusion on both left and right sides of the upper portion of the seating portion in the front portion of the HMD main body and a guide protrusion formed on a surface of the sliding cover corresponding to the front portion of the HMD body, Wherein the groove portion is formed in the upper and lower longitudinal direction and is slid by guiding the guide groove portion of the sliding cover to the guide projection portion of the HMD body. The method according to claim 1,
The sliding cover has a guide groove portion formed on both left and right sides of the seat portion in the HMD main body in a downward direction and a guide protrusion portion formed on a lower end side of a surface of the sliding cover corresponding to the front portion of the HMD main body And the guide protrusion of the sliding cover is engaged with the guide groove portion of the HMD main body so as to be guided. The method according to claim 1,
Wherein the resilient restoring force for sliding the sliding cover is realized by a restoring spring which is deformed when the main body is locked with the main body due to the closing of the seating portion of the sliding cover and provides a feeding force to the sliding cover by a restoring force when the main body is unlocked Head mount display. 5. The method of claim 4,
The restoring spring is wound on the upper side of the front portion of the HMD main body and is fastened to the lower side of the rear portion of the sliding cover. The other end of the restoring spring is released when the seat is locked with the main body due to closing of the seat, And a wound type leaf spring for winding the sliding cover upward while being wound by the restoring force generated by the winding tendency. 5. The method of claim 4,
The restoring spring has one end fixed to the lower side of the front portion of the HMD main body and the other end fixed to the lower side of the rear portion of the sliding cover to be compressed when locking the main body due to the closing of the seating portion of the sliding cover, And a coil spring for moving the sliding cover upward. The method according to claim 1,
The locking device is locked when the lower end of the sliding cover is pressed once, and when the opened seating part is closed by applying an external force to the sliding cover, the lower end of the sliding cover is hooked on the front part of the HMD main body, Head-mounted display. 8. The method of claim 7,
Wherein the locking device comprises a latch portion protruding from a rear portion of the sliding cover and bent downwardly, and a latching portion provided on an entrance side of the seating portion of the HMD main body to latch the latch portion. The method according to claim 1,
Wherein a cartridge for stable seating is coupled to a seating portion of the HMD main body in the display device. 10. The method of claim 9,
Wherein the cartridge is detachably coupled to a seat of the HMD body and the display device is detachably coupled to the cartridge. 10. The method of claim 9,
Wherein the size of the inner diameter of the cartridge varies depending on the type and the type of the display device. 10. The method of claim 9,
Wherein the cartridge includes a connection port for communication connection of the display device and the HMD body. The method according to claim 1,
The HMD main body further includes a sensing unit mounted on the seating unit for sensing a closed state of the sliding cover, and a controller for applying or cutting off power according to a signal applied from the sensing unit Head mount display. 14. The method of claim 13,
Wherein the LED display unit is further provided on the outer side surface of the HMD main body so that an LED lamp is illuminated when the power is applied to the main body to confirm whether the power is applied.
KR1020150149227A 2015-10-27 2015-10-27 Head Mount Display KR101765392B1 (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN108132709A (en) * 2017-12-21 2018-06-08 联想(北京)有限公司 A kind of processing method and head show equipment
CN117687220A (en) * 2024-02-02 2024-03-12 玩出梦想(上海)科技有限公司 Head-mounted display device

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KR102078583B1 (en) 2017-04-06 2020-02-19 주식회사 룩시드랩스 Head mounted display apparatus
KR102185338B1 (en) 2018-06-15 2020-12-01 주식회사 룩시드랩스 Face supporting mask and head mounted display apparatus comprising the same

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KR101419007B1 (en) * 2013-01-08 2014-07-11 주식회사 고글텍 Head mounted stereoscopy device for a smart phone

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108132709A (en) * 2017-12-21 2018-06-08 联想(北京)有限公司 A kind of processing method and head show equipment
CN117687220A (en) * 2024-02-02 2024-03-12 玩出梦想(上海)科技有限公司 Head-mounted display device
CN117687220B (en) * 2024-02-02 2024-05-14 玩出梦想(上海)科技有限公司 Head-mounted display device

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