KR20150020801A - Head mounted display - Google Patents

Head mounted display Download PDF

Info

Publication number
KR20150020801A
KR20150020801A KR20130097704A KR20130097704A KR20150020801A KR 20150020801 A KR20150020801 A KR 20150020801A KR 20130097704 A KR20130097704 A KR 20130097704A KR 20130097704 A KR20130097704 A KR 20130097704A KR 20150020801 A KR20150020801 A KR 20150020801A
Authority
KR
South Korea
Prior art keywords
unit
reflective mirror
light guide
image
user
Prior art date
Application number
KR20130097704A
Other languages
Korean (ko)
Inventor
신성철
서학용
김민형
김주영
김보람
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR20130097704A priority Critical patent/KR20150020801A/en
Publication of KR20150020801A publication Critical patent/KR20150020801A/en

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0833—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/105—Scanning systems with one or more pivoting mirrors or galvano-mirrors
    • 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
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • 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
    • G02B27/02—Viewing or reading apparatus
    • G02B27/06—Viewing or reading apparatus with moving picture effect
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/013—Eye tracking input arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • G06T19/006—Mixed reality
    • 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
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0138—Head-up displays characterised by optical features comprising image capture systems, e.g. camera
    • 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
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/014—Head-up displays characterised by optical features comprising information/image processing systems
    • 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
    • G02B27/0179—Display position adjusting means not related to the information to be displayed
    • G02B2027/0187—Display position adjusting means not related to the information to be displayed slaved to motion of at least a part of the body of the user, e.g. head, eye

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)

Abstract

A head-mounted display for providing a large-sized image, comprising: a light guide portion for guiding light having image information; a display portion disposed on one side of the light guide portion for displaying image information; And an active reflective mirror part for finely moving in accordance with the control signal and adjusting the angle of light guided from the light guide part, wherein the active reflective mirror part is rotated in the first direction by the first control signal, And a second control signal to rotate in a second direction to reflect light having image information at a second reflection angle so as to reflect the light having the image information at a first reflection angle, You can move the virtual image to the 2 position.

Description

Head Mount Display {HEAD MOUNTED DISPLAY}

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 provides a large-sized image.

In general, a head-mounted display (HMD) refers to various digital devices that can be worn on the head like glasses to receive multimedia contents.

2. Description of the Related Art In recent years, various wearable computers have been developed in accordance with the trend of weight reduction and miniaturization of digital devices, and head-mounted displays are also widely used.

The head-mounted display can be combined with augmented reality technology, N-screen technology, etc., beyond the simple display function, to provide various convenience to the user.

In addition, the head mount display can be used in conjunction with various external digital devices.

The head mount display can communicate with an external digital device to output contents of the external digital device, receive a user input for an external digital device, or perform a task linked to the external digital device .

1A and 1B show a general head-mounted display, wherein FIG. 1A is a structure of a direct view type head-mounted display, and FIG. 1B is a reflective head-mounted display structure.

1A, the direct-view type head-mounted display includes a panel 100 and an optical lens 200 disposed in front of the user's eyes. An image displayed on the panel 100 is directly incident on the user's eyes, 300).

However, since the direct-view type head-mounted display has a structure in which the panel 100 is positioned directly in front of the user's eyes, the structure can not see the external environment, which is disadvantageous in an environment in which the user must move.

1B, the reflective head-mounted display has a reflective mirror 210 disposed in front of the user's eyes, a panel 100 and an optical lens 200 disposed on the side, It is a structure to implement.

However, since the reflective head-mounted display can see the external environment and is easy in the mobile environment, the reflective mirror 210 is disposed in front of the user's eyes, so that the thickness of the overall glasses becomes thick and the thickness of the panel 100 And the optical lens 200, the overall weight becomes heavy.

 As described above, the conventional head-mounted display has a disadvantage in that the thickness of the glasses is thick and the weight is heavy as a whole. However, the biggest problem is that the field of view (FOV) There was a limit.

Therefore, it will be necessary to develop a head mount display capable of realizing a large image with a wide viewing angle while the thickness of glasses is thin and weight is small in the future.

SUMMARY OF THE INVENTION An aspect of the present invention is to provide a head mount display capable of realizing a large screen by enlarging a viewing angle and an eye movement range by disposing an active reflective mirror capable of fine rotation.

According to another aspect of the present invention, there is provided a method for acquiring a motion of an eye and fine-rotating an active reflection mirror according to movement of an eye, thereby realizing an optimal image having a wide viewing angle and an eye movement range Head-mounted display.

A head mount display according to an embodiment of the present invention includes a light guide portion for guiding light having image information, a display portion disposed on one side of the light guide portion, for displaying image information, And an active reflective mirror part for finely moving in accordance with the control signal and adjusting the angle of light guided from the light guide part, wherein the active reflective mirror part is rotated in the first direction by the first control signal, And a second control signal to rotate in a second direction to reflect light having image information at a second reflection angle so as to reflect the light having the image information at a first reflection angle, You can move the virtual image to the 2 position.

Here, the light guide portion can totally reflect light having image information.

The active reflective mirror portion includes a reflective mirror, a first frame surrounding the periphery of the reflective mirror, a second frame surrounding the periphery of the first frame, and a reflective mirror in the X-axis direction passing through the center of the reflective mirror. A first rotation axis connecting the first frame and a second rotation axis connecting the first frame and the second frame in the Y axis direction passing through the center of the reflection mirror.

Then, the active reflection mirror part moves in the rotational motion, and the virtual image realized by the active reflection mirror part can move in a linear motion.

Next, the active reflective mirror portion may be disposed apart from the other end of the light guide portion at regular intervals.

Further, the active reflective mirror portion may be disposed at the other end of the inside of the light guide portion.

Optionally, the active reflective mirror portion may be disposed in a hole formed in the lower cover of the light guide portion.

The present invention relates to an image pickup apparatus, comprising: an eye image acquiring unit that acquires an image of a user's eye and senses a motion of the user's eye; a driving unit that adjusts a rotational movement angle of the active reflective mirror unit according to movement of the acquired eye, And a control unit for controlling the eye image acquiring unit and the driving unit.

Here, the eye image acquiring unit may include an illuminating unit for illuminating the light with the user's eyes, a reflecting unit for reflecting the image of the illuminated user's eyes, a camera unit for acquiring the image of the reflected user's eyes, And calculating the motion information of the user's eyes.

At this time, the illumination unit can illuminate the infrared rays with the user's eyes.

According to an embodiment of the present invention, by disposing an active reflective mirror capable of fine rotation movement at an end of a light guide portion, not only a viewing angle and an eye movement range can be widened, but also a large screen can be realized.

In addition, according to an embodiment of the present invention, an optimal image having a wide viewing angle and a wide eye movement range can be realized by acquiring the eye movement and moving the active reflection mirror by fine rotation according to the eye movement.

Figs. 1A and 1B show a general head-mounted display
2 is a view schematically showing a head-mounted display according to an embodiment of the present invention;
3 is a view showing the position of the active reflective mirror unit according to the first embodiment of the present invention
4 is a view showing the position of the active reflective mirror unit according to the second embodiment of the present invention
5 is a view showing the position of the active reflective mirror unit according to the third embodiment of the present invention
6 is a plan view showing the active reflective mirror according to the present invention.
7 to 9 are views showing the movement of the virtual image realized using the active reflective mirror portion
10 is a block diagram showing an eye-movement driving control unit according to the present invention.
11 is a block diagram showing the eye image acquisition unit of FIG.

Hereinafter, the present invention will be described in more detail with reference to the drawings.

The suffix "module" and " part "for components used in the following description are given merely for ease of description, and the" module "and" part "

BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG.

As used herein, terms used in the present invention are selected from general terms that are widely used in the present invention while taking into account the functions of the present invention, but these may vary depending on the intention or custom of a person skilled in the art or the emergence of new technologies. In addition, in certain cases, there may be a term arbitrarily selected by the applicant, in which case the meaning thereof will be described in the description of the corresponding invention. Therefore, it is intended that the terminology used herein should be interpreted based on the meaning of the term rather than on the name of the term, and on the entire contents of the specification.

2 is a schematic view of a head-mounted display according to an embodiment of the present invention.

The display unit 100, the optical unit 200, the light guide unit 400, the active reflective mirror unit 500, and the driving unit 600, as shown in FIG.

Here, the light guide portion 400 can guide the light having image information by total reflection.

Accordingly, the light guide unit 400 may include a medium for total internal reflection, or may have a tunnel mirror structure for total internal reflection.

The display unit 100 may be disposed on one side of the light guide unit 400 to display image information.

The optical unit 200 may be disposed between the light guide unit 400 and the display unit 100 to transmit the image information of the display unit 100 to the light guide unit 400.

Here, the optical portion 200 may be composed of a plurality of lenses and mirrors, but is not limited thereto, and may have various optical structures.

Next, the active reflective mirror unit 500 may be disposed on the other side of the light guide unit 400.

Here, the active reflective mirror part 500 may move finely according to a control signal to adjust the angle of light guided from the light guide part 400. [

The active reflective mirror unit 500 is rotated in the first direction by the first control signal to reflect the light having the image information at the first reflection angle so as to move the virtual image to the first position .

In addition, the active reflective mirror unit 500 can be rotated in the second direction by the second control signal, reflect light having image information at a second reflection angle, and move the virtual image to the second position .

The active reflective mirror unit 500 may include a reflective mirror, a first frame, a second frame, a first rotation axis, and a second rotation axis.

For example, the first frame surrounds the periphery of the reflection mirror, and the second frame surrounds the periphery of the first frame.

The first rotation axis connects the reflection mirror and the first frame in the X axis direction passing through the center of the reflection mirror and the second rotation axis connects the reflection mirror in the Y axis direction passing through the center of the reflection mirror. Frame can be connected.

Here, in the active reflective mirror part 500, the reflection mirror can be moved in the rotational motion by the first and second rotational shafts.

Therefore, since the virtual image realized by the active reflective mirror unit 500 can be moved in a linear motion, the field of view (FOV) at which the virtual image can be seen is widened, so that a wide viewing angle can be provided to the user .

For example, as shown in FIG. 2, if the active reflective mirror unit 500 does not rotate, the virtual image 302 is implemented at the first position, and the active reflective mirror unit 500 rotates in the first direction The virtual image 302 at the first position linearly moves to the second position to realize the virtual image 304 at the second position and when the active reflective mirror portion 500 rotates in the second direction, The virtual image 304 of the location may be moved linearly to the third location to implement the virtual image 306 of the third location.

When the image information is incident on the active reflective mirror unit 500 from the light guide unit 400 as described above, the active reflective mirror unit 500 performs the first movement in the rotational motion by the driving unit 600 Accordingly, the virtual image to be implemented can be moved in a linear motion, and thus the field of view (FOV) at which the virtual image can be seen can be widened.

Here, since the active reflective mirror unit 500 can be finely moved at a high speed, it is possible to provide a virtual image having a wide viewing angle and a wide eye movement box (EMB) in response to fast and fine movement of the user's eye .

In the meantime, the present invention can constitute various optical systems in accordance with the position of the active reflective mirror part 500.

For example, the active reflective mirror unit 500 may be disposed at a predetermined distance from the other end of the light guide unit 400.

In some cases, the active reflective mirror unit 500 may be disposed at the other end of the light guide unit 400.

As another example, the active reflective mirror part 500 may be disposed in a hole formed in the lower cover of the light guide part 400. [

In addition, the present invention may further include an eye movement drive control unit capable of controlling the active reflection mirror unit 500 according to the movement of the user's eyes.

Here, the eye motion drive control unit may include an eye image acquisition unit, a drive unit, and a control unit.

The eye image acquiring unit acquires an image of the user's eye and senses the motion of the user's eye, and may include an illumination unit, a reflection unit, a camera unit, and an image processing unit.

Here, the illuminating unit illuminates the infrared rays with the user's eyes, the reflecting unit reflects the image of the illuminated user's eyes, and the camera unit can acquire the image of the reflected user's eyes.

Then, the image processing section can process the acquired image of the user's eye, and calculate the motion information of the user's eye.

Next, the driving unit can adjust the rotational movement angle of the active reflective mirror unit according to the movement of the acquired user's eye, and can drive it.

Then, the control unit may control the eye image acquiring unit and the driving unit.

In the present invention configured as described above, by disposing the active reflection mirror capable of fine rotation movement at the end of the light guide portion, it is possible not only to widen the viewing angle and the eye movement range, but also to realize a large screen.

Further, according to the present invention, an optimal image having a wide viewing angle and a wide eye movement range can be realized by acquiring the motion of the eyes and moving the active reflection mirror in fine rotation according to the motion of the eyes.

Therefore, the user can enjoy images of various sizes.

3 is a view showing a position of the active reflective mirror according to the first embodiment of the present invention.

As shown in FIG. 3, the active reflective mirror part 500 may be located inside the light guide part 400.

For example, the active reflective mirror portion 500 may be disposed at the other end 400a of the inside of the light guide 400. [

Here, the light guide unit 400 may include a medium for total internal reflection, and may include a tunnel for total internal reflection, for example, It may have a mirror structure.

As described above, the active reflective mirror part 500 is disposed inside the other side of the light guide part 400 and can finely move according to a control signal to adjust the angle of light guided from the light guide part 400.

Accordingly, the active reflective mirror unit 500 rotates in the first direction by the first control signal, reflects the light having the image information at the first reflection angle, and moves the virtual image 302 to the first position And can rotate in the second direction by the second control signal to reflect the light having the image information at the second reflection angle and move the virtual image 304 to the second position.

As described above, in the first embodiment of the present invention, since the active reflective mirror portion 500 and the light guide portion 400 can be integrally formed, the entire optical system can be downsized.

4 is a view showing a position of the active reflective mirror unit according to the second embodiment of the present invention.

As shown in FIG. 4, the active reflective mirror part 500 may be located on the inner surface of the light guide part 400 or on the outer surface of the light guide part 400.

For example, the active reflective mirror unit 500 may be disposed on the lower cover 400b of the light guide unit 400. In this case, a hole is formed in the cover of the light guide unit 400 .

Accordingly, the active reflective mirror portion 500 may be disposed in a hole in the lower cover of the light guide portion 400. [

As described above, the active reflective mirror unit 500 is disposed on the lower cover of the light guide unit 400 and can finely move according to a control signal to adjust the angle of light guided from the light guide unit 400.

Accordingly, the active reflective mirror unit 500 rotates in the first direction by the first control signal, reflects the light having the image information at the first reflection angle, and moves the virtual image 302 to the first position And can rotate in the second direction by the second control signal to reflect the light having the image information at the second reflection angle and move the virtual image 304 to the second position.

As described above, in the second embodiment of the present invention, since the active reflective mirror portion 500 and the light guide portion 400 can be integrally formed, the overall optical system can be downsized.

5 is a view showing a position of an active reflective mirror according to a third embodiment of the present invention.

As shown in FIG. 5, the active reflective mirror unit 500 may be located outside the light guide unit 400.

For example, the active reflective mirror unit 500 may be disposed at a predetermined distance from the other end of the light guide unit 400.

As described above, the active reflective mirror unit 500 is disposed outside the other side of the light guide unit 400 and can finely move according to a control signal to adjust the angle of light guided from the light guide unit 400.

Accordingly, the active reflective mirror unit 500 rotates in the first direction by the first control signal, reflects the light having the image information at the first reflection angle, and moves the virtual image 302 to the first position And can rotate in the second direction by the second control signal to reflect the light having the image information at the second reflection angle and move the virtual image 304 to the second position.

As described above, in the third embodiment of the present invention, the active reflective mirror unit 500 is disposed at a predetermined distance apart from the light guide unit 400, but is not limited to the size of the internal space of the light guide unit 400 An active reflective mirror part 500 having a large size and a large driving angle can be applied.

Therefore, since the driving angle of the active reflective mirror unit 500 is large, it is possible to provide the user with a virtual image having a wider viewing angle and a wider eye movement range (EMB).

6 is a plan view showing an active reflective mirror according to the present invention.

6, the active reflective mirror unit 500 includes a reflection mirror 502, a first frame 508, a second frame 509, a first rotation axis 504, and a second rotation axis 506 ).

Here, the reflection mirror 502 may be a completely reflective mirror material, and in some cases, a partially reflective mirror material.

Next, the first frame 508 may be disposed so as to surround the periphery of the reflection mirror 502.

The second frame 509 may be arranged so as to surround the periphery of the first frame 508.

The first rotation axis 504 may connect the reflection mirror 502 and the first frame 508 in the X axis direction passing through the center of the reflection mirror 502.

Next, the second rotation shaft 506 can connect the first frame 508 and the second frame 509 in the Y-axis direction passing through the center of the reflection mirror 502.

Therefore, the reflection mirror 502 can perform the second rotational movement in the Y-axis direction by the first rotation axis 504 and the first rotational movement in the X-axis direction by the second rotation axis 506 .

Since the active reflective mirror unit 500 can tilt the reflective mirror 502 two-dimensionally in the up / down / left / right directions, the active reflective mirror unit 500 can be tilted The position of the virtual image can be changed.

Here, the active reflective mirror unit 500 is merely one embodiment, and various forms of the active reflective mirror unit 500 can be manufactured.

FIGS. 7 to 9 are views showing the movement of the virtual image realized using the active reflective mirror unit. FIG.

As shown in FIGS. 7 to 9, since the active reflective mirror unit 500 can tilt the reflecting mirror two-dimensionally in the up / down / left / right directions, Therefore, the position of the virtual image to be projected can be changed.

For example, if the active reflective mirror unit 500 does not rotate, the virtual image is formed at the first position. When the active reflective mirror unit 500 rotates in the first direction, The virtual image of the second position linearly moves to the third position and the third virtual image of the third mirror moves linearly to the third position, The virtual image of the position can be realized.

As described above, when the image information is incident on the active reflective mirror unit 500 from the light guide unit, the active reflective mirror unit 500 performs rotational motion by the driving unit, Since a linear movement is possible, a field of view (FOV) in which a virtual image can be seen can be widened.

Here, since the active reflective mirror unit 500 can be finely moved at a high speed, it is possible to provide a virtual image having a wide viewing angle and a wide eye movement box (EMB) in response to fast and fine movement of the user's eye .

7, the virtual image can be linearly moved in the X-axis direction and in the Y-axis direction, as shown in FIG. 8, in accordance with the driving of the active reflective mirror unit 500 And a local image of a 360-degree image may be realized as shown in FIG.

As described above, according to the present invention, various contents such as video and information can be implemented. If necessary, the position of the video can be separately realized as left or right or right or left as shown in FIG. 8, , Or from bottom to top, or from top to bottom.

In addition, as shown in FIG. 9, the panoramic image has a structure that implements a local partial image of a 360-degree image, and an image according to the position of the local image may be implemented according to the movement of the eye pupil.

FIG. 10 is a block diagram showing an eye-movement driving control unit according to the present invention, and FIG. 11 is a block diagram showing a snow-image acquisition unit of FIG.

10 and 11, the head-mounted display of the present invention may further include an eye movement driving control unit capable of controlling the active reflection mirror unit 500 according to the movement of the user's eyes.

Here, the eye movement drive control unit may include an eye image acquisition unit 700, a driver unit 600, and a control unit 800.

Here, the eye image acquiring unit 700 can acquire an image of the user's eyes and sense the motion of the user's eyes.

The eye image acquisition unit 700 may include an illumination unit 701, a reflection unit 702, a camera unit 703, and an image processing unit 704. [

Here, the illumination unit 701 can illuminate light with the user's eyes, and the light can be infrared rays.

Next, the reflection unit 702 can reflect the illuminated user's eye image to the camera unit 703.

Then, the camera unit can acquire an image of the user's eye reflected from the reflecting unit 702.

Next, the image processing unit 704 can process the obtained image of the user's eye and calculate the motion information of the user's eye.

Next, the control unit 800 can control the driving unit 600 using the motion information of the user's eye calculated by the image processing unit 704. FIG.

The driving unit 600 can be driven by adjusting the rotational movement angle of the active reflective mirror unit 500 under the control of the control unit 800. [

Therefore, in the present invention, the rotational movement angle of the active reflective mirror unit 500 can be adjusted in accordance with the movement of the user's eyes by using the eye movement drive control unit.

In the present invention configured as described above, by disposing the active reflection mirror capable of fine rotation movement at the end of the light guide portion, it is possible not only to widen the viewing angle and the eye movement range, but also to realize a large screen.

Further, according to the present invention, an optimal image having a wide viewing angle and a wide eye movement range can be realized by acquiring the motion of the eyes and moving the active reflection mirror in fine rotation according to the motion of the eyes.

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 construed as limiting the scope of the invention as defined by the appended claims. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention.

100: display part 200: optical part
400: light guide part 500: active reflection mirror part
600: driving unit 700: eye image acquiring unit
701: illumination part 702:
703: a camera unit 704:
800:

Claims (10)

A light guide unit for guiding light having image information;
A display unit disposed at one side of the light guide unit and displaying the image information; And,
And an active reflective mirror part disposed on the other side of the light guide part and finely moving according to a control signal to adjust an angle of light guided from the light guide part,
The active reflective mirror unit includes:
A first control signal for rotating in a first direction to reflect light having the image information at a first reflection angle,
And the second control signal causes the light having the image information to be reflected at a second reflection angle so as to move the virtual image to the second position by rotating in the second direction. The light guide unit according to claim 1,
Wherein the head-mounted display is configured to totally reflect light having the image information. The apparatus as claimed in claim 1, wherein the active reflective mirror part comprises:
Reflective mirror;
A first frame surrounding the periphery of the reflection mirror;
A second frame surrounding the periphery of the first frame;
A first rotation axis connecting the reflection mirror and the first frame in an X-axis direction passing through the center of the reflection mirror; And,
And a second rotation axis connecting the first frame and the second frame in a Y-axis direction passing through the center of the reflection mirror. The head-mounted display according to claim 1, wherein the active reflective mirror portion moves in a rotational motion, and the virtual image realized by the active reflective mirror portion moves in a linear motion. The apparatus as claimed in claim 1, wherein the active reflective mirror part comprises:
Wherein the light guide part is disposed at a predetermined distance from the other end of the light guide part. The apparatus as claimed in claim 1, wherein the active reflective mirror part comprises:
Wherein the light guide part is disposed at the other end of the inside of the light guide part. The apparatus as claimed in claim 1, wherein the active reflective mirror part comprises:
Wherein the light guide portion is disposed in a hole formed in a lower cover of the light guide portion. The method according to claim 1,
An eye image acquiring unit acquiring an image of a user eye and sensing a motion of the user eye;
A driving unit that adjusts a rotational movement angle of the active reflective mirror unit according to the movement of the acquired user's eye; And,
Further comprising a controller for controlling the eye image acquiring unit and the driving unit. 9. The apparatus according to claim 8,
An illuminator for illuminating light with the user's eyes;
A reflector for reflecting the image of the illuminated user's eyes;
A camera unit for acquiring an image of the reflected user's eye; And,
And an image processing unit for processing the acquired image of the user's eye to calculate motion information of the user's eyes. 10. The illumination system according to claim 9,
And illuminates the infrared rays with the user's eyes.
KR20130097704A 2013-08-19 2013-08-19 Head mounted display KR20150020801A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR20130097704A KR20150020801A (en) 2013-08-19 2013-08-19 Head mounted display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR20130097704A KR20150020801A (en) 2013-08-19 2013-08-19 Head mounted display

Publications (1)

Publication Number Publication Date
KR20150020801A true KR20150020801A (en) 2015-02-27

Family

ID=52579372

Family Applications (1)

Application Number Title Priority Date Filing Date
KR20130097704A KR20150020801A (en) 2013-08-19 2013-08-19 Head mounted display

Country Status (1)

Country Link
KR (1) KR20150020801A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018048017A1 (en) * 2016-09-07 2018-03-15 하정훈 Reflective lens module
WO2019132474A1 (en) * 2017-12-29 2019-07-04 Letinar Co., Ltd Virtual and augmented reality optics system with pinpoint mirror
CN111694155A (en) * 2019-03-14 2020-09-22 三星显示有限公司 Optical device
WO2020244780A1 (en) * 2019-06-07 2020-12-10 Telefonaktiebolaget Lm Ericsson (Publ) Improved optical see-through viewing device and method for calibrating provision of virtual content overlapping visual objects
WO2021049693A1 (en) * 2019-09-11 2021-03-18 엘지전자 주식회사 Electronic device
CN114509844A (en) * 2022-04-21 2022-05-17 联钢精密科技(中国)有限公司 Light guide device with gradual change extension function
KR20220161568A (en) * 2021-05-27 2022-12-07 유한회사 에픽에이비오닉스 Display module adjustable the position of the image and optic apparatus using the same
US11749142B2 (en) 2018-12-04 2023-09-05 Telefonaktiebolaget Lm Ericsson (Publ) Optical see-through viewing device and method for providing virtual content overlapping visual objects
US12025801B2 (en) 2018-08-03 2024-07-02 Samsung Electronics Co., Ltd. Optical lens assembly and electronic device including same

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018048017A1 (en) * 2016-09-07 2018-03-15 하정훈 Reflective lens module
WO2019132474A1 (en) * 2017-12-29 2019-07-04 Letinar Co., Ltd Virtual and augmented reality optics system with pinpoint mirror
US12025801B2 (en) 2018-08-03 2024-07-02 Samsung Electronics Co., Ltd. Optical lens assembly and electronic device including same
US11749142B2 (en) 2018-12-04 2023-09-05 Telefonaktiebolaget Lm Ericsson (Publ) Optical see-through viewing device and method for providing virtual content overlapping visual objects
CN111694155A (en) * 2019-03-14 2020-09-22 三星显示有限公司 Optical device
WO2020244780A1 (en) * 2019-06-07 2020-12-10 Telefonaktiebolaget Lm Ericsson (Publ) Improved optical see-through viewing device and method for calibrating provision of virtual content overlapping visual objects
WO2021049693A1 (en) * 2019-09-11 2021-03-18 엘지전자 주식회사 Electronic device
US11662577B2 (en) 2019-09-11 2023-05-30 Lg Electronics Inc. Electronic device
KR20220161568A (en) * 2021-05-27 2022-12-07 유한회사 에픽에이비오닉스 Display module adjustable the position of the image and optic apparatus using the same
CN114509844A (en) * 2022-04-21 2022-05-17 联钢精密科技(中国)有限公司 Light guide device with gradual change extension function
CN114509844B (en) * 2022-04-21 2022-06-21 联钢精密科技(中国)有限公司 Light guide device with gradual change extension function

Similar Documents

Publication Publication Date Title
KR20150020801A (en) Head mounted display
US10534172B2 (en) Display apparatus
CN109302594B (en) Projection display device comprising an eye tracker
US10873742B2 (en) Head mounted display and image formation optical system
US20080266523A1 (en) Display apparatus
US20200012101A1 (en) Head-mounted display
JP2003029196A (en) On-vehicle head-up display device
CN108693648B (en) Image display device
WO2013084592A1 (en) Display system and automobile
Cutolo et al. [POSTER] hybrid video/optical see-through HMD
JP2004126226A (en) Head-up display
JP6296862B2 (en) Image display device
JP2019151314A (en) Display system, electronic mirror system, and movable body including electronic mirror system
KR20160019193A (en) Floating Hologram display device
JP2012145787A (en) Stereoscopic display device
JP3769816B2 (en) Head-mounted display device
US20070216601A1 (en) Stereoscopic Two-Dimensional Image Display Apparatus
US9898076B1 (en) Adjusting electronic displays based on user viewing position
WO2018199245A1 (en) Virtual image display device, and display system for moving body
WO2020255562A1 (en) Image display device and display device
JP6391269B2 (en) Image display device
JP7327253B2 (en) virtual image display
JP2022514217A (en) Maneuverable positioning element
CN111338076B (en) Micro-electro-mechanical deep imaging integrated circuit and imaging method
WO2020184506A1 (en) Head-up display device

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination