CN106707514A - Near-to-eye display device and method for precisely adjusting optical system - Google Patents
Near-to-eye display device and method for precisely adjusting optical system Download PDFInfo
- Publication number
- CN106707514A CN106707514A CN201611265383.0A CN201611265383A CN106707514A CN 106707514 A CN106707514 A CN 106707514A CN 201611265383 A CN201611265383 A CN 201611265383A CN 106707514 A CN106707514 A CN 106707514A
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- CN
- China
- Prior art keywords
- mirror slip
- display device
- optical mirror
- optical system
- center
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- 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
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
Abstract
The invention provides a near-to-eye display device for precisely adjusting an optical system. The near-to-eye display device comprises a display screen, an optical lens, and an adjusting device. The optical lens is connected with the adjusting device, and can be driven by the adjusting device to move side to side. The near-to-eye display device further comprises a shading plate which has a light hole in the center. The shading plate can be fixed outside the optical lens and move together with the optical lens. Compared with the prior art, through the shading plate and the display screen, the optical system can be adjusted precisely, and it is ensured that the display of the optical system is perfect. Compared with a device which needs to measure the pupil distance through electronic equipment before adjusting the optical system, a lot of cost is saved, and equipment manufacture and promotion are facilitated.
Description
Technical field
The present invention relates to nearly eye field of display devices, more specifically to a kind of nearly eye of accurate adjustment optical system
Display device and method.
Background technology
Nearly eye display device includes the head-mounted display (HMD) that can be projected directly at image in observer's eye, this near
Eye display device is the conventional device of current virtual reality (VR) or augmented reality (AR) field.Generally, nearly eye shows
The display screen of device apart from user eyeball less than ten centimetres, by special optical treatment, nearly eye display device can be by
It is incident upon on the retina of people to image clearly, virtual large area image is showed before user, is consequently for virtual reality
Or augmented reality.
Nearly eye display device is using preceding having to pass through, interpupillary distance is measured and optical system is adjusted.When the eyeball position of user
Or dioptric system when can not coordinate very well with the optical system of nearly eye display device (referring to Fig. 1), it is necessary to adjust nearly eye display dress
The optical system put, allows user that clearly image is seen in eye.Without preferable more than the nearly eye display device of prior art
Interpupillary distance adjustment function, in use only with feeling to manually adjust optical system, not only error is very big, and makes for user
With very inconvenient.
The content of the invention
There is no the defect of preferable interpupillary distance adjustment function to solve current nearly eye display device, the present invention provides a kind of essence
Really adjust the nearly eye display device and method of optical system.
The technical solution adopted for the present invention to solve the technical problems is：A kind of nearly eye of accurate adjustment optical system is provided
Display device, the nearly eye display device includes display screen, optical mirror slip, adjusting means, the optical mirror slip and the regulation
Device is connected, the optical mirror slip can the side-to-side movement under the drive of the adjusting means, the nearly eye display device enters
One step includes shadow shield, and the center of the shadow shield is provided with loophole, and the shadow shield can be fixed on the optical mirror slip
Outside and moved with the optical mirror slip.
Preferably, slot is provided with around the optical mirror slip, the shadow shield is circle, is set on the shadow shield
There is fixing device, the fixing device may be inserted into the outside that shadow shield is fixed on the slot optical mirror slip.
Preferably, the adjusting means includes regulation roller and geared system, and adjusting the roller can control the tooth
Wheel apparatus drive the optical mirror slip motion.
Preferably, the nearly eye display device is virtual implementing helmet.
A kind of method for adjusting optical system is provided, comprise the following steps：
S1：The shadow shield is arranged on optical mirror slip outside and is fixed；
S2：The display screen plays test image；
S3：Wear the nearly eye display device and adjust the adjusting means manually, when being adjusted to can be arrived with continuous observation
Stop adjustment during correspondence markings image.
Preferably, the display screen includes viewing area, and the viewing area can move on the display screen, described
Viewing area can be with the optical mirror slip synchronizing moving, the center of the geometric center of the optical mirror slip and the viewing area
Line all the time perpendicular to the display screen.
Preferably, the test image shows a target center in the center of viewing area, the viewing area its
He does not light position.
Preferably, the color of the target center is green.
Preferably, when the viewing area center, the optical mirror slip center and user's pupil are in a straight line
When, user can see green target center, it is believed that optical system regulation reaches satisfied accuracy.
Compared with prior art, the present invention can accurately adjust light by the way of shadow shield and display screen cooperate
System, it is ensured that optical system can be shown with perfection.Relative to need by electronic equipment measure interpupillary distance optical system is entered again
Substantial amounts of cost is saved for the device of row adjustment, is conducive to the manufacturing and popularization of equipment.By in shadow shield
Centrally disposed loophole can make the light vertical exit at viewing area center, it is ensured that the accuracy of measurement.In optical mirror slip week
Enclose the convenient fixed shadow shield of setting slot.User is adjusted by roller to geared system, convenient and easy.By display
Screen is played test image and adjustment person can be pointed out when regulation is to better effects.Set transportable aobvious on display screen
Show that region can ensure the center of viewing area when optical mirror slip is moved all the time just to the center of optical mirror slip.In display
The center in region shows that a target center helps to recognize mark point.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the nearly eye display device structure schematic diagram of prior art；
Fig. 2 is nearly eye display device structure schematic diagram of the invention；
Fig. 3 is that nearly eye display device of the invention does not install anti-dazzle plate structure schematic diagram；
Fig. 4 is that nearly eye display device of the invention is mounted with one of structural representation of shadow shield；
Fig. 5 is the two of the structural representation that nearly eye display device of the invention is mounted with shadow shield；
Fig. 6 is display screen of the present invention and viewing area schematic diagram.
Specific embodiment
There is no the defect of interpupillary distance detection function and automatic regulating function to solve current nearly eye display device, the present invention is carried
For a kind of nearly eye display device and method of accurate adjustment optical system.
In order to be more clearly understood to technical characteristic of the invention, purpose and effect, now compare accompanying drawing and describe in detail
Specific embodiment of the invention.
Fig. 2-Fig. 3 is referred to, the present invention includes nearly eye display device 100, and nearly eye display device 100 can be virtual existing
The real helmet.Nearly eye display device 100 includes display screen 10, optical mirror slip 20, adjusting means 30, and adjusting means 30 includes that regulation is rolled
Wheel 31 and geared system 32, geared system 32 are connected with optical mirror slip 20, and optical mirror slip 20 can be in the band of geared system 32
Dynamic lower side-to-side movement.When in use, adjustment regulation roller 31 can make geared system 32 drive the side-to-side movement of optical mirror slip 20.Closely
Eye display device 100 further includes shadow shield 21, and shadow shield 21 is rounded, and the periphery screening of optical mirror slip 20 is fixed on when using
Firmly optical mirror slip 20, loophole 212 is provided with the center of shadow shield 21, and light can be from saturating when shutting out the light for shadow shield 21
Unthreaded hole 212 is transmitted.Fixing device 211 is further provided with shadow shield 21, for fixing shadow shield 21.In optical mirror slip
20 periphery is provided with slot 201, and fixing device 211 may be inserted into slot 201 and be fixed.
Fig. 4-Fig. 5 is referred to, can be fastened on optical mirror slip 20 when shadow shield is used, fixing device 211 injects slot
201 are fixed.Fixing device 211 has certain length, it is ensured that do not connect with optical mirror slip 20 all the time in fixation procedure
Touch, prevent that optical mirror slip 20 is caused to damage.When shadow shield 21 be fixed on optical mirror slip 20 it is peripheral when, display screen 10 transmitting
Light is only capable of being transmitted by loophole 212 and is observed.When two lines of the respective geometric center of optical mirror slip 20 away from
From with the interpupillary distance of human eye it is unequal when, the right position of optical mirror slip 20 can be adjusted by adjusting adjusting means 31, hide
Tabula rasa 21 can be moved with optical mirror slip 20.
Fig. 6 is referred to, when optical mirror slip 20 is moved left and right due to the adjustment of user, the viewing area of display screen 10
101 can on the display screen 10 move to ensure the geometry of optical mirror slip 20 with the synchronizing moving of optical mirror slip 20, viewing area 101
The line of the display centre of center and viewing area 101 is all the time perpendicular to display screen 10.So, optical mirror slip is adjusted in user
During 20, the synchronizing moving on the display screen 10 of viewing area 101, two optical mirror slips 20 are respective several during adjustment
When the line distance at what center is equal with the interpupillary distance of human eye, the pupil of display centre, the geometric center of optical mirror slip 20 and human eye
Just at perfect optical requirement on straight line, is reached, now display effect is optimal in hole.During regulation, display screen
The 10 green target center of display centre display, other positions do not light, when display centre, the geometric center of optical mirror slip 20 and human eye
Pupil be not at when on straight line, the light of the display centre of display screen 10 transmitting cannot arrive intelligent by loophole 212
Eye；When the pupil of display centre, the geometric center of optical mirror slip 20 and human eye during adjustment is in a straight line, display
The light of the green target center of emission center can reach human eye by loophole 212.User sees that green target center may know that
Now optical system regulation reaches satisfied accuracy, you can stop regulation, removes shadow shield 21 and normally shows dress using nearly eye
Put 100.Using green glow as mark light on the one hand because green light under dark background than more visible and obvious, it is another
Aspect green glow, without stronger stimulation, it also avoid that the vision system of people is caused to damage to human eye.
When beginning is adjusted, shadow shield 21 is arranged on user the outside of optical mirror slip 20, is worn after installation near
Eye display device 100, display screen 10 plays the green target center of display centre display of test image, i.e. display screen 10, other positions
Do not light.Adjustment adjusting means 31 adjusts the right position of optical mirror slip 20, until seeing the target center of green untill.Work as the visual field
In when persistently can see green target center, it is believed that now optical system regulation reaches satisfied accuracy, stops adjustment optics
System, nearly eye display device 100 are taken, and normally use by removing shadow shield 21.Now display centre, optical mirror slip 20
Geometric center and the pupil of human eye be in a straight line, display effect is optimal.
Compared with prior art, the present invention can be adjusted accurately by the way of shadow shield 21 and display screen 10 cooperate
Whole optical system, it is ensured that optical system can be shown with perfection.Relative to need by electronic equipment measure interpupillary distance again to optical system
Substantial amounts of cost is saved for the device that system is adjusted, is conducive to the manufacturing and popularization of equipment.By in shading
The centrally disposed loophole 212 of plate 21 can make the light vertical exit at the center of viewing area 101, it is ensured that the accuracy of measurement.
The convenient fixed shadow shield 21 of slot is set around optical mirror slip 20.User is adjusted by roller 31 to geared system 32
Section, it is convenient and easy.Playing test image by display screen 10 can point out adjustment person when regulation is to better effects.It is aobvious
Transportable viewing area 101 is set in display screen 10 can ensure the viewing area 101 when optical mirror slip 20 is moved
Center is all the time just to the center of optical mirror slip 20.Show that a target center helps to recognize mark point at the center of viewing area 101.
Embodiments of the invention are described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned specific
Implementation method, above-mentioned specific embodiment is only schematical, rather than restricted, one of ordinary skill in the art
Under enlightenment of the invention, in the case of present inventive concept and scope of the claimed protection is not departed from, can also make a lot
Form, these are belonged within protection of the invention.
Claims (9)
1. it is a kind of it is accurate adjustment optical system nearly eye display device, it is characterised in that the nearly eye display device include display
Screen, optical mirror slip, adjusting means, the optical mirror slip are connected with the adjusting means, and the optical mirror slip can be described
Side-to-side movement under the drive of adjusting means, the nearly eye display device further includes shadow shield, and the center of the shadow shield sets
Loophole is equipped with, the shadow shield can be fixed on the outside of the optical mirror slip and be moved with the optical mirror slip.
2. it is according to claim 1 it is accurate adjustment optical system nearly eye display device, it is characterised in that the optical frames
Slot is provided with around piece, the shadow shield is circle, and fixing device is provided with the shadow shield, and the fixing device can
To insert the outside that shadow shield is fixed on the slot optical mirror slip.
3. the nearly eye display device of accurate adjustment optical system according to claim 2, it is characterised in that regulation dress
Put including regulation roller and geared system, adjusting the roller can control the geared system to drive the optical mirror slip to transport
It is dynamic.
4. the nearly eye display device of the accurate adjustment optical system according to any one of claim 1-3, it is characterised in that
The nearly eye display device is virtual implementing helmet.
5. a kind of accurate adjustment optical system method according to claim 1, it is characterised in that comprise the following steps：
S1：The shadow shield is arranged on optical mirror slip outside and is fixed；
S2：The display screen plays test image；
S3：Wear the nearly eye display device and adjust the adjusting means manually, when be adjusted to can with continuous observation to correspondence
Stop adjustment during mark image.
6. it is according to claim 5 it is accurate adjustment optical system method, it is characterised in that the display screen include viewing area
Domain, the viewing area can move on the display screen, the viewing area can with the optical mirror slip synchronizing moving,
The line at the center of the geometric center of the optical mirror slip and the viewing area is all the time perpendicular to the display screen.
7. it is according to claim 6 it is accurate adjustment optical system method, it is characterised in that the test image is in viewing area
The center in domain shows a target center, and the other positions of the viewing area do not light.
8. it is according to claim 7 adjustment optical system method, it is characterised in that the color of the target center for green.
9. it is according to claim 8 it is accurate adjustment optical system method, it is characterised in that when the viewing area center,
When the optical mirror slip center and user's pupil are in a straight line, user can see green target center, it is believed that light
Learn system fading margin and reach satisfied accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265383.0A CN106707514A (en) | 2016-12-30 | 2016-12-30 | Near-to-eye display device and method for precisely adjusting optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611265383.0A CN106707514A (en) | 2016-12-30 | 2016-12-30 | Near-to-eye display device and method for precisely adjusting optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106707514A true CN106707514A (en) | 2017-05-24 |
Family
ID=58906481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611265383.0A Pending CN106707514A (en) | 2016-12-30 | 2016-12-30 | Near-to-eye display device and method for precisely adjusting optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106707514A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196365A (en) * | 2017-12-13 | 2018-06-22 | 深圳市虚拟现实科技有限公司 | Correct the method and apparatus of mobile terminal locations |
| WO2022228039A1 (en) * | 2021-04-29 | 2022-11-03 | 陈荣裕 | Vr head-mounted display and interpupillary distance detection and adjustment mechanism therefor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976067Y (en) * | 2006-06-23 | 2007-11-14 | 贾怀昌 | Cheaters display apparatus with pupil distance adjusting function |
| CN203987981U (en) * | 2014-07-14 | 2014-12-10 | 金陵科技学院 | A kind of centro meter |
| CN104317054A (en) * | 2014-10-27 | 2015-01-28 | 青岛歌尔声学科技有限公司 | Head-mounted display |
| CN206378643U (en) * | 2016-12-30 | 2017-08-04 | 深圳市虚拟现实技术有限公司 | The nearly eye display device of accurate adjustment optical system |
-
2016
- 2016-12-30 CN CN201611265383.0A patent/CN106707514A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200976067Y (en) * | 2006-06-23 | 2007-11-14 | 贾怀昌 | Cheaters display apparatus with pupil distance adjusting function |
| CN203987981U (en) * | 2014-07-14 | 2014-12-10 | 金陵科技学院 | A kind of centro meter |
| CN104317054A (en) * | 2014-10-27 | 2015-01-28 | 青岛歌尔声学科技有限公司 | Head-mounted display |
| CN206378643U (en) * | 2016-12-30 | 2017-08-04 | 深圳市虚拟现实技术有限公司 | The nearly eye display device of accurate adjustment optical system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196365A (en) * | 2017-12-13 | 2018-06-22 | 深圳市虚拟现实科技有限公司 | Correct the method and apparatus of mobile terminal locations |
| WO2022228039A1 (en) * | 2021-04-29 | 2022-11-03 | 陈荣裕 | Vr head-mounted display and interpupillary distance detection and adjustment mechanism therefor |
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