CN105929534A - Diopter self-adaptive head-mounted display device - Google Patents
Diopter self-adaptive head-mounted display device Download PDFInfo
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- CN105929534A CN105929534A CN201510702555.5A CN201510702555A CN105929534A CN 105929534 A CN105929534 A CN 105929534A CN 201510702555 A CN201510702555 A CN 201510702555A CN 105929534 A CN105929534 A CN 105929534A
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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
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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
- G02B27/0172—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
- G02B27/01—Head-up displays
- G02B27/0179—Display position adjusting means not related to the information to be displayed
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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
- G02B27/0179—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
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Abstract
The invention provides a diopter self-adaptive head-mounted display device including a display facing people's eyes, an optical lens between the display and the people's eyes, and an eyeball tracking module, the display shows a frame by facing the people's eyes, the distance from the display to the center of the optical lens is object distance u, the optical lens is used for focusing the frame of the display to be an image to be clearly seen by the people's eyes, the virtual image of the image and the people's eyes are arranged at the two sides of the display, the distance from the virtual image to the center of the optical lens is image distance v, the optical lens is provided with a focal distance f, the eyeball tracking module is used for detecting the sight direction of the two eyes to position the observation point position of a user, the relative position of the display and the optical lens is adjusted based on the position of the observation point, the display and the optical lens can perform relative movement separately or together along the direction of an optical axis, the distance from the center of the optical lens to the display is adjusted based on the observation point position acquired by the eyeball tracking module to make the adjusted object distance u satisfy the condition of 1/f=1/u-1/v.
Description
Technical field
The present invention relates to a kind of head-wearing display device, particularly to a kind of diopter being suitable for human eye
Self adaptation head-wearing display device.
Background technology
Within display screen ten centimetres of the eyeball of distance of head-wearing display device, the nearest image conventional and
Speech is that human eye cannot be seen clearly.And the 3-D view that head-wearing display device is shown, due to image
There is three-dimensional space, so wearer will be real-time to quick three dimensions dynamic menu
The direction of visual lines actively regulating eyes and eye lens focal length, owing to for a long time eye being entered
Row sum-equal matrix will result in wearer eyestrain, affects the visual experience of device.This device is by regulation
Display screen and optical lens, invented a kind of adaptive diopter head-wearing display device, can avoid
Direction of visual lines to eyes and the eye lens focal length of wearer's initiative are adjusted.Strengthen and use
Family is experienced.
Summary of the invention
According to an aspect of the invention, it is provided a kind of diopter self adaptation head-mounted display apparatus,
Including towards the display screen of human eye, the optical lens being positioned between described display screen and human eye and eyeball
Tracking module: described display screen is for presenting picture towards human eye, with described optical lens center
Distance is object distance u；Described optical lens can into human eye for being focused into by the picture of described display screen
The image seen clearly, the virtual image of described image and human eye lay respectively at the both sides of described display screen, described
The virtual image is image distance v with the distance of described optical lens center, and described optical lens also has focal distance f；
Described eye tracking module positions the point of observation position of user for detection eyes direction of visual lines in real time
Put, the relative position of display screen described in the position adjustments put according to the observation and described optical lens；Institute
Stating that display screen is set to described optical lens can independently or jointly the most relative shifting along optical axis direction
Dynamic, and according in optical lens described in the point of observation position adjustments of described eye tracking module acquisition
Distance between the heart and described display so that object distance u of regulation meets condition 1/f=1/u-1/v.
Preferably, described display screen is set to described optical lens admittedly with the relative movement of optical lens
Fixed, described display screen moves in the direction of the optical axis.
Preferably, described display screen is also configured to described display screen admittedly with the relative movement of optical lens
Fixed, described optical lens moves in the direction of the optical axis.
Preferably, the relative movement of described display screen and optical lens be also configured to described display screen with
Described optical lens coordinates movement the most mutually.
Preferably, described optical lens is provided with ultrasonic motor, is used for controlling described optical lens
Movement in the direction of the optical axis.
Preferably, described optical lens is set to array type optical lens.
Preferably, described display screen is provided with power drill/driver, is used for controlling described display screen at light
Movement on direction of principal axis.
Preferably, described display screen is set to LCD display or LED display.
According to another aspect of the present invention, it is provided that a kind of diopter self adaptation wear-type display dress
The method put, described device includes the display screen towards human eye, is positioned between described display screen and human eye
Optical lens and eye tracking module, said method comprising the steps of: a) pass through eye tracking
Module detection Binocular vison line position；B) according to position calculation picture point and the described optical lens of eyes sight line
The distance at center, i.e. image distance v；C) described optical lens center and described display are regulated according to image distance v
Distance between device, i.e. object distance u；D) image distance v is made to meet first condition by instrumentality away from u, i.e.
1/f=1/u-1/v；E) circulation step a)～d), adjusts described display and described optical lens in real time
The relative position at center so that it is meet 1/f=1/u-1/v.
According to a kind of diopter self adaptation head-wearing display device of the present invention, can be adjusted voluntarily by equipment
Joint display screen and the relative distance of optical lens, instead of wearer's initiative sight line side to eyes
It is adjusted to eye lens focal length, contributes to protecting eyes, avoiding visual fatigue；Device
Compact, easily install, wear comfortable, its thorough fare and extensively, it is adaptable to regarding of 3D effect
Feel and experience.
Should be appreciated that aforementioned description substantially is exemplary illustration with follow-up detailed description and conciliates
Release, the restriction of content claimed to the present invention should not be used as.
Accompanying drawing explanation
With reference to the accompanying drawing enclosed, the more purpose of the present invention, function and advantage will be real by the present invention
Execute the described below of mode to be illustrated, wherein:
Fig. 1 (a) schematically shows the use of the diopter self adaptation head-wearing display device according to the present invention
State diagram；
Fig. 1 (b) schematically shows the main of the diopter self adaptation head-wearing display device according to the present invention
Structure；
Fig. 2 schematically shows the display screen of the diopter self adaptation head-wearing display device according to the present invention
The relation of the relative movement with optical lens and light path principle figure；
Fig. 3 schematically shows the workflow of the diopter self adaptation head-wearing display device according to the present invention
Cheng Tu.
Fig. 4 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example；
Fig. 5 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example；
Fig. 6 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example.
Detailed description of the invention
By with reference to one exemplary embodiment, the purpose of the present invention and function and be used for realizing these mesh
And the method for function will be illustrated.But, the present invention is not limited to disclosed below showing
Exemplary embodiment；By multi-form, it can be realized.The essence of description is only
Help the detail of the various equivalent modifications Integrated Understanding present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical attached
Figure labelling represents same or similar parts.
Fig. 1 (a) shows the use shape of the diopter self adaptation head-wearing display device according to the present invention
State figure；As shown in Fig. 1 (a), beholder wears described head-wearing display device 110 viewing ring around
Border image 120.
Fig. 1 (b) schematically shows the master of the diopter self adaptation head-wearing display device according to the present invention
Want structure；As shown in Fig. 1 (b), head-wearing display device 110 include the display screen 103 towards human eye,
The optical lens 102 being positioned between display screen 103 and human eye and eye tracking module 101 and light
Axle 104.
Display screen 103, for presenting picture towards human eye, is object distance with the distance of optical lens center
u；
According to one embodiment of present invention, display screen 103 is provided with power drill/driver, is used for controlling
Make the movement in the direction of the optical axis of described display screen.
According to one embodiment of present invention, display screen 103 is set to LCD display or LED
Display screen.
Optical lens 102 is for being focused into, by the picture of display screen 103, the figure can seen clearly for human eye
Picture, the virtual image of image and human eye lay respectively in the both sides of display screen 103, the virtual image and optical lens
The distance of the heart is image distance v, and optical lens 102 also has focal distance f；
According to one embodiment of present invention, optical lens 102 is provided with ultrasonic motor, is used for
Control the movement in the direction of the optical axis of described optical lens.
According to one embodiment of present invention, optical lens is set to array type optical lens.
Eye tracking module 101 positions the observation of user for detection eyes direction of visual lines in real time
Point position, the relative position of the position adjustments display screen 103 put according to the observation and optical lens 102；
Display screen 103 and optical lens 102 are set to can independently or jointly along optical axis direction
Relative movement, and the point of observation position adjustments optical lens obtained according to eye tracking module 101
Distance between 102 centers and display so that object distance u of regulation meets condition 1/f=1/u-1/v.
Fig. 2 schematically shows the display screen of the diopter self adaptation head-wearing display device according to the present invention
The relation of the relative movement with optical lens and light path principle figure；As in figure 2 it is shown, optical lens 201
Having focal distance f, the first image 202a has object distance u1, and the second image 202b has object distance u2,
Described first image 202a and the second image 202b is respectively in display screen space bit in three-dimensional picture
Put different images；From index path in Fig. 2, the first image 202a and the second image 202b
Converge in, through optical lens 201, the virtual image presented in eye and be respectively the first virtual image 203a and second
Virtual image 203b, and the first virtual image 203a and the second virtual image 203b is respectively provided with image distance v1 and image distance
v2；It is apparent that due to object distance u real-time change, so image distance v that the virtual image presented in eye is had
Also it is real-time change.Owing to the focal distance f of optical lens 201 is fixing characteristic, so can only root
According to object distance u, beholder actively regulates direction of visual lines and the eye lens focal length of eyes, with under viewing
The image in one moment, so makes human eye produce feeling of fatigue.
The diopter self adaptation head-wearing display device of the present invention is by regulating described optical lens with described
Display screen is along the relative distance in optical axis 204 direction so that have the object of different object distances u in eye
Image distance v that the virtual image presented is had is constant or changes within the specific limits, and meets first
Condition 1/f=1/u-1/v, so can eliminate or alleviate human eye feeling of fatigue.
Diopter self adaptation head-wearing display device according to the present invention, has three kinds of modes and regulates described
Optical lens and described display screen, along the relative distance in optical axis 204 direction, are respectively as follows:
A) described display screen and the relative movement of optical lens are set to described optical lens and fix, institute
State display screen to move in the direction of the optical axis, in below figure 4 described in embodiment 1；
B) described display screen and the relative movement of optical lens are also configured to described display screen and fix, institute
State optical lens to move in the direction of the optical axis, in below figure 5 described in embodiment 2；
C) described display screen is also configured to described display screen and described light with the relative movement of optical lens
Learn lens and coordinate movement the most mutually, in below figure 6 described in embodiment 3.
Fig. 3 schematically shows the workflow of the diopter self adaptation head-wearing display device according to the present invention
Cheng Tu: the method diopter self adaptation of a kind of diopter self adaptation head-wearing display device wears display dress
Putting, described device includes the display screen towards human eye, the optics being positioned between described display screen and human eye
Lens and eye tracking module, said method comprising the steps of:
Step 301: detect Binocular vison line position by eye tracking module；
Step 302: according to the position calculation picture point of eyes sight line and described optical lens center away from
From, i.e. image distance v；
Step 303: according to image distance v regulate between described optical lens center and described display away from
From, i.e. object distance u；
Step 304: make image distance v meet first condition by instrumentality away from u, i.e. 1/f=1/u-1/v；
Step 305: circulation step 301～304, adjusts described display and described optical lens in real time
The relative position at center so that it is meet 1/f=1/u-1/v.
Embodiment 1
Fig. 4 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example: described display screen is set to described optical lens 401 with the relative movement of optical lens 401
Fixing, described display screen moves up optical axis 404 side so that object distance u2 after regulation, image distance
V3 and focal distance f meet first condition 1/f=1/u2-1/v3.
As shown in Fig. 4 (a), the present image 402 in display screen has object distance u1, shown optical lens
Mirror has focal distance f, and present image 402 converges in, through optical lens 401, presented in eye current
Virtual image 403a has image distance v1, and the virtual image 403b of previous moment image has image distance v2, in order to keep away
Exempt from beholder actively to regulate the direction of visual lines of eyes and eye lens focal length and produce feeling of fatigue, this
Invention takes to adjust the position of display screen, and i.e. instrumentality is away from u1 so that current in display screen 402
The virtual image 403a of image 402 also has identical image distance v2.
As shown in Fig. 4 (b), by regulation display screen on optical axis 404 direction with described optical lens
The relative position of mirror 401, method is that described optical lens 401 position is fixed, regulation display screen
Position, when original object distance u1 of the present image 402 of display screen is adjusted to object distance u2, currently
The image distance of the virtual image 403a of image 402 is also become image distance v3, and v2=v3 by original image distance v1,
The most described image distance v3 is equal with image distance v2 of the virtual image 403b of previous moment image.And described display
Screen displacement on described optical axis 404 direction meets described first condition, i.e. 1/f=1/u2-1/v3:
I.e. present image 402 converges in the current virtual image 403a's that presented in eye through optical lens 401
Position is identical with the virtual image 403b position of previous moment image, then beholder need not actively regulate eyes
Direction of visual lines and eye lens focal length, can reduce or eliminate eyestrain.
Embodiment 2
Fig. 5 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example: described display screen is also configured to described optical lens 501 with the relative movement of optical lens 501
Fixing, described display screen moves up optical axis 504 side so that object distance u2 after regulation, image distance
V3 and focal distance f meet first condition 1/f=1/u2-1/v3.
As shown in Fig. 5 (a), the present image 502 in display screen has object distance u1, shown optical lens
Mirror has focal distance f, and present image 502 converges in, through optical lens 501, presented in eye current
Virtual image 503a has image distance v1, and the virtual image 503b of previous moment image has image distance v2, in order to keep away
Exempt from beholder actively to regulate the direction of visual lines of eyes and eye lens focal length and produce feeling of fatigue, this
Invention takes to adjust the position of display screen, and i.e. instrumentality is away from u1 so that the present image in display screen
The virtual image 503a of 502 also has identical image distance v2.
As shown in Fig. 5 (b), by regulation display screen on optical axis 504 direction with described optical lens
The relative position of mirror 501, method is that described screen position is fixed, regulation optical lens 501
Position, when original object distance u1 of the present image 502 of display screen is adjusted to object distance u2, currently
The image distance of the virtual image 503a of image 502 is also become image distance v3, and v2=v3 by original image distance v1,
The most described image distance v3 is equal with image distance v2 of the virtual image 503b of previous moment image.And described display
Screen displacement on described optical axis 504 direction meets described first condition, i.e. 1/f=1/u2-1/v3:
I.e. present image 502 converges in the current virtual image 503a's that presented in eye through optical lens 501
Position is identical with the virtual image 503b position of previous moment image, then beholder need not actively regulate eyes
Direction of visual lines and eye lens focal length, can reduce or eliminate eyestrain.
Embodiment 3
Fig. 6 schematically shows a reality of the diopter self adaptation head-wearing display device according to the present invention
Execute example: described display screen is also configured to described display screen and institute with the relative movement of optical lens 601
State optical lens and coordinate movement mutually on optical axis 604 direction so that object distance u2 after regulation,
Image distance v3 and focal distance f meet first condition 1/f=1/u2-1/v3.
As shown in Fig. 6 (a), the present image 602 in display screen has object distance u1, shown optical lens
Mirror 601 has focal distance f, and present image 602 converges in through optical lens 601 and presented in eye
Current virtual image 603a has image distance v1, and the virtual image 603b of previous moment image has image distance v2, for
Avoid beholder actively to regulate the direction of visual lines of eyes and eye lens focal length and produce fatigue
Sense, the present invention takes the phase para-position on optical axis 604 direction of adjustment display screen and optical lens 601
Putting, i.e. instrumentality is away from u1 so that the virtual image 603a of the present image 602 in display screen also has phase
Same image distance v2.
As shown in Fig. 6 (b), by regulation display screen on optical axis 604 direction with described optical lens
The relative position of mirror 601, method is described display screen with described optical lens 601 at optical axis 604
Movement is coordinated mutually, when original object distance u1 of the present image 602 of display screen becomes thing on direction
When u2, the image distance of the virtual image 603a of present image 602 is also become picture by original image distance v1
Away from v3, and image distance v2 of the virtual image 603b of v2=v3, the most described image distance v3 and previous moment image
Equal.And described display screen and the movement on described optical axis 604 direction of the described optical lens 601
Displacement meets described first condition, i.e. 1/f=1/u2-1/v3: i.e. present image 602 is through optical lens
Mirror 601 converges in the position of the current virtual image 603a presented in eye and the virtual image of previous moment image
603b position is identical, then beholder need not actively regulate direction of visual lines and eye lens Jiao of eyes
Away from, can reduce or eliminate eyestrain.
Described accompanying drawing is only and schematically and not in scale draws.Although already in connection with being preferable to carry out
Invention has been described for example, it is to be understood that protection scope of the present invention is not limited to here
Described embodiment.
In conjunction with explanation and the practice of the present invention disclosed here, other embodiments of the present invention are for this
Skilled person is easy to expect and understand.Illustrate and embodiment is to be considered only as exemplary
, true scope and the purport of the present invention are all defined in the claims.
Claims (9)
1. a diopter self adaptation head-mounted display apparatus, including towards the display screen of human eye, position
Optical lens between described display screen and human eye and eye tracking module:
Described display screen, for presenting picture towards human eye, with the distance of described optical lens center is
Object distance u；
Described optical lens is for being focused into, by the picture of described display screen, the figure can seen clearly for human eye
Picture, the virtual image of described image and human eye lay respectively at the both sides of described display screen, the described virtual image and institute
The distance stating optical lens center is image distance v, and described optical lens also has focal distance f；
Described eye tracking module positions the observation of user for detection eyes direction of visual lines in real time
Point position, the relative position of display screen described in the position adjustments put according to the observation and described optical lens；
Described display screen and described optical lens are set to can independently or jointly along optical axis direction
Relative movement, and according to optics described in the point of observation position adjustments of described eye tracking module acquisition
Distance between lens centre and described display so that object distance u of regulation meets condition
1/f=1/u-1/v.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described display screen and the relative movement of optical lens are set to described optical lens and fix, described
Display screen moves in the direction of the optical axis.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described display screen and the relative movement of optical lens are also configured to described display screen and fix, described
Optical lens moves in the direction of the optical axis.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described display screen is also configured to described display screen and described optics with the relative movement of optical lens
Lens coordinate movement the most mutually.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described optical lens is provided with ultrasonic motor, is used for controlling described optical lens in optical axis side
Movement upwards.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described optical lens is set to array type optical lens.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described display screen is provided with power drill/driver, is used for controlling described display screen in the direction of the optical axis
Movement.
Diopter self adaptation head-mounted display apparatus the most according to claim 1, its feature exists
In: described display screen is set to LCD display or LED display.
9. a method for diopter self adaptation head-mounted display apparatus, described device includes towards people
Display screen, the optical lens being positioned between described display screen and human eye and the eye tracking module of eye,
Said method comprising the steps of:
A) Binocular vison line position is detected by eye tracking module；
B) according to the distance of the position calculation picture point of eyes sight line with described optical lens center, i.e. as
Away from v；
C) distance between described optical lens center and described display, i.e. thing are regulated according to image distance v
Away from u；
D) image distance v is made to meet first condition by instrumentality away from u, i.e. 1/f=1/u-1/v；
E) circulation step a)～d), adjusts described display relative with described optical lens center in real time
Position so that it is meet 1/f=1/u-1/v.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702555.5A CN105929534A (en) | 2015-10-26 | 2015-10-26 | Diopter self-adaptive head-mounted display device |
| PCT/CN2016/101554 WO2017071458A1 (en) | 2015-10-26 | 2016-10-09 | Diopter self-adaptive head-mounted display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510702555.5A CN105929534A (en) | 2015-10-26 | 2015-10-26 | Diopter self-adaptive head-mounted display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105929534A true CN105929534A (en) | 2016-09-07 |
Family
ID=56840078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510702555.5A Pending CN105929534A (en) | 2015-10-26 | 2015-10-26 | Diopter self-adaptive head-mounted display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105929534A (en) |
| WO (1) | WO2017071458A1 (en) |
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| WO2017071458A1 (en) * | 2015-10-26 | 2017-05-04 | 北京蚁视科技有限公司 | Diopter self-adaptive head-mounted display device |
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