CN106094211A - A kind of head-mounted display apparatus - Google Patents
A kind of head-mounted display apparatus Download PDFInfo
- Publication number
- CN106094211A CN106094211A CN201610638883.8A CN201610638883A CN106094211A CN 106094211 A CN106094211 A CN 106094211A CN 201610638883 A CN201610638883 A CN 201610638883A CN 106094211 A CN106094211 A CN 106094211A
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- Prior art keywords
- head
- main body
- mounted display
- display apparatus
- body frame
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Classifications
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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
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
A kind of head-mounted display apparatus, including main body frame, and the optical system being located on main body frame, described main body frame is provided with equipment fixed mechanism, with holding movable terminal outside optical system；Described optical system includes two optical glass groups, the most each optical glass group includes Fresnel Lenses and plus lens respectively, described Fresnel Lenses is oppositely arranged with plus lens, and described Fresnel Lenses is set to plane in the side end face deviating from plus lens, opposite side end face is set to the Fresnel surface of radial symmetric；Described plus lens is set to plane in the side end face deviating from Fresnel Lenses, and opposite side end face is set to aspheric surface.The present invention solves ensureing that helmet volume is sufficiently small, weight enough light on the premise of, how to realize the big visual field of wear-type virtual reality display system, take into account the technical problem of image quality simultaneously.
Description
Technical field
The invention belongs to technical field of virtual reality, be specifically related to a kind of head-mounted display apparatus.
Background technology
Virtual reality (Virtual Reality is called for short VR) technology is the most more come as emerging new and high technology in recent years
More being paid close attention to by people, virtual reality is to utilize computer simulation to produce a three-dimensional virtual world, it is provided that gives and uses
Person, about the simulation of the sense organ such as vision, audition, allows user as on the spot in person, can in time, unrestrictedly observe three
Things in dimension space.The application on mobile phone of this technology will become the focus of next round research.
Along with the development of 3D Display Technique, the head mounted display having stereoscopic vision function the most little by little enters people's
In work and life.Head mounted display is a kind of big picture portable high-immersion stereo-picture being employed with every field
Display device.Use wear-type auxiliary equipment to be equipped with smart mobile phone, just constitute portable head mounted display (Head-
Mounted Display,HMD).This allows for head mounted display and achieves " portable " and " miniaturization ", and user just can
The shock effect that experiencing virtual real world devices is brought whenever and wherever possible.
HMD visual system typically uses conventional lenses, such as spherical lens, non-spherical lens or free form surface light at present
Learn lens.This system is limited by optical processing technology and optical material, and in display device, the bore of optical system would generally do
Obtain smaller (if the weight and volume that bore does big optical system all can be significantly increased), and user is by optical system institute energy
The visual field observed is limited by its bore, and field of view seems the least relative to the visual field under human eye naturalness, so the visual field is subject to
Visual impact and feeling of immersion that the image display system of limit brings to human eye will be greatly affected.
Summary of the invention
It is an object of the invention to provide a kind of head-mounted display apparatus for solving above-mentioned technical problem.
Head-mounted display apparatus provided by the present invention, including main body frame, and the optical system being located on main body frame,
Equipment fixed mechanism it is provided with, with holding movable terminal outside optical system on described main body frame；Described optical system bag
Including two optical glass groups, the most each optical glass group includes Fresnel Lenses and plus lens, described Fresnel Lenses respectively
It is oppositely arranged with plus lens, and described Fresnel Lenses is set to plane, opposite side end face in the side end face deviating from plus lens
Being set to the Fresnel surface of radial symmetric, described plus lens is set to plane in the side end face deviating from Fresnel Lenses, another
Side end face is set to aspheric surface.
As the preferred version of the present invention, described plus lens is plano-convex non-spherical lens.
As the preferred version of the present invention, described equipment fixed mechanism includes the two pieces of clamp clips being oppositely arranged, with vertically
Mode is located at the screw rod on two pieces of clamp clips, and the knob for two pieces of clamp clip spacing of regulation；Wherein said screw rod is respectively
Being connected threadably with two pieces of clamp clips, and both is threaded in opposite direction, described knob is fixing with screw rod to be connected.
As the preferred version of the present invention, described screw rod is arranged on the middle part of two pieces of clamp clips.
As the preferred version of the present invention, described main body frame being provided with a shield bars, described shield bars is arranged on two
Position between individual optical glass group, is separated being opposite to the display screen of mobile terminal on equipment fixed mechanism.
As the preferred version of the present invention, described head-mounted display apparatus also includes interpupillary adjustment mechanism, described two
Optical glass group is inlaid on interpupillary adjustment mechanism respectively.
As the preferred version of the present invention, described interpupillary adjustment mechanism includes two lens frames being oppositely arranged, and uses
In the regulation gear of two lens frame spacing of regulation, lens frame described in two of which is respectively arranged with tooth bar, and each
Tooth bar on lens frame is engaged with regulation gear respectively.
As the preferred version of the present invention, described main body frame is provided with clip, and the two ends of described clip are inserted respectively
It is connected on main body frame and fixes with main body frame and be connected.
As the preferred version of the present invention: described clip is prepared from by flexible material.
As the preferred version of the present invention, described main body frame being provided with a grade bar, described shelves bar is set to rugosity knot
Structure, and setting is bent the most afterwards relative to main body frame.
Due to the application of technique scheme, the method have the advantages that
The head-mounted display apparatus of the present invention, by being applied in combination with plus lens by Fresnel Lenses, can make this wear-type
The while that the whole optical system of display device being frivolous, lightweight, it is big in visual field, good imaging quality, and then ensure that this head
Wear that formula display device is sufficiently small at volume, weight enough light on the premise of, it is achieved that wear-type virtual reality display system big
Visual field, takes into account image quality simultaneously.Simultaneously as the outer face, both sides of this Fresnel Lenses and plus lens is disposed as plane,
Thus it is easy to prepared by the production of Fresnel Lenses with plus lens, and is easy to people's cleaning during follow-up use,
Meet the use demand of people further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the head-mounted display apparatus that present pre-ferred embodiments is provided.
Fig. 2 is the structural representation of optical glass group in the present invention.
Fig. 3 is the structural representation of equipment fixed mechanism in the present invention.
Fig. 4 is the structural representation of interpupillary adjustment mechanism in the present invention.
Fig. 5 is the imaging schematic diagram of planoconvex lens in the present invention.
Fig. 6 is the imaging schematic diagram of Fresnel Lenses in the present invention.
Imaging schematic diagram when Fig. 7 is that in the present invention, planoconvex lens and Fresnel Lenses are applied in combination.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Referring to Fig. 1-Fig. 7, the head-mounted display apparatus 100 that present pre-ferred embodiments is provided, it is concrete and mobile
Terminal (such as mobile phone) with the use of, this head-mounted display apparatus 100 includes main body frame 10, is located at the light on main body frame 10
System, wherein the optical system of the present embodiment includes two optical glass groups 20, and each optical glass group 20 includes respectively
Fresnel Lenses 21 and plus lens 22.Wherein said plus lens 22 is common lens, the most preferably plano-convex aspheric
Face lens.
Be appreciated that described Fresnel Lenses when image formation by rays, owing to the surface of its Fresnel surface is indentation,
Its light is difficult to focus on, and spherical aberration and off-axis aberration are difficult to correct so that when alone Fresnel Lenses imaging, and its visual field is big,
But image quality is poor；And during alone non-spherical lens, while the increase of its angle of visual field, need to increase the thickness of these lens, in
This simultaneously, the transmitance of the light of these lens will decline, and correspondingly, the mould machining accuracy preparing the molding of these lens is wanted
Ask high.To this end, Fresnel Lenses 21 is specifically applied in combination by the optical glass group 20 of the present embodiment with plus lens 22.
Specifically, described Fresnel Lenses 21 is oppositely arranged with plus lens 22, and described Fresnel Lenses 21 is just deviating from
One side end face of lens 22 is set to plane, and opposite side end face is set to the Fresnel surface of radial symmetric, and described plus lens 22 exists
The side end face deviating from Fresnel Lenses 21 is set to plane, and opposite side end face is set to aspheric surface.Wherein said Fresnel is saturating
Can glued be connected between mirror 21 with plus lens 22, it is also possible to non-glued setting.This optical glass group 20 is assembled by the present embodiment
When using to main body frame 10, the Fresnel Lenses 21 towards human eye that takes the lead in is the angle of visual field for controlling optical system, and
On mobile terminal, the plus lens 22 of display screen is the chief ray angle for controlling optical system, it should be noted that move
The light of dynamic terminal display screen first passes through plus lens 22, through the adjustment of main optical angle, then injects Fresnel Lenses 21
After the angle of visual field adjusts, finally inject human eye.By being applied in combination with lens 22 by Fresnel Lenses 21, this wear-type can be made
The whole optical system of display device 100 is frivolous；There is visual field simultaneously big, the feature of good imaging quality.And then ensure that this head
Wear formula display device 100 volume little, lightweight, and visual field is big, good imaging quality.Simultaneously as this Fresnel Lenses 21 with
The outer face, both sides of plus lens 22 is disposed as plane, is thus easy to the production system to Fresnel Lenses 21 with plus lens 22
Standby, and it is easy to people's cleaning during follow-up use, meet the use demand of people further.
When the Fresnel Lenses 21 of the present embodiment and plus lens 22 are applied in combination, it meets equation below:
Wherein:
Z, for making with reference to the shift value away from optical axis with surface fixed point along optical axis direction in r position；
C, for radius of curvature；
R, for described lens height；
K, for circular cone coefficient；
a4,a6,a8,a10,a12,a14,a16, the asphericity coefficient of the most every time.
Two panels lens are according to different materials just recoverable aberration, and the scheme of single element lens can not correcting chromatic aberration.?
It is substantially better than signal-lens scheme during big view field imaging.Fresnel Lenses 21 is used to reduce with the scheme of plus lens 22 combination
Mirror thickness, increases light penetration.The degree of freedom of the design increased, aberration correction is more preferable, and recoverable optical system color
Difference, lens imaging quality is better than signal-lens scheme.
On the one hand, in order to be suitable to the mobile terminal of different specification size size, the head-mounted display apparatus 100 of the present embodiment
Main body frame 10 specifically arranges an equipment fixed mechanism 30, to clamp the mobile terminal outside in optical system.Wherein, institute
State two pieces of clamp clips 31 that equipment fixed mechanism 30 includes being oppositely arranged, be located at the screw rod on two pieces of clamp clips 31 in a vertical manner
32, and the knob 33 for two pieces of clamp clip 32 spacing of regulation；Described screw rod 32 respectively with two pieces of clamp clips 31 with screw thread side
Formula connects, and this screw rod 32 is in opposite direction with threadeding of two pieces of clamp clips 31, and described knob 33 is integrally fixed at screw rod 32
On, in the present embodiment, described screw rod 32 is specifically arranged on the middle part of two pieces of clamp clips 31.So regulating with knob 33
During the spacing of two pieces of clamp clips 31, when rotating screw rod 32 toward a direction, owing to this screw rod 32 is different from two pieces of clamp clips 31
Under threaded direction, two pieces of clamp clips 31 can be driven to synchronize to center clamping or synchronize to unclamp, this ensures that there
This equipment fixed mechanism 30 is when regulating spacing fixed cellular terminal, and the axis of its mobile terminal is with whole optical system all the time
Alignment, and there is not the movement of upper-lower position.
In the present embodiment, described main body frame 10 being provided with a shield bars 11, described shield bars 11 is arranged on two
Position between optical glass group 20, is separated being opposite to the display screen of mobile terminal on equipment fixed mechanism 20 so that
The images of left and right eyes of user corresponding can only receive the picture of the display screen wherein side of mobile terminal by optical system.
On the other hand, in order to be suitable for the difference of its interpupillary distance of different users, the head-mounted display apparatus of the present embodiment
100 also include interpupillary adjustment mechanism 40, it will be understood that described two optical glasss 20 groups are inlaid in interpupillary adjustment mechanism respectively
On 40.Specifically, described interpupillary adjustment mechanism 40 includes two lens frames 41 being oppositely arranged, and for two mirrors of regulation
The regulation gear 42 of sheet framework 41 spacing, lens frame 41 described in two of which is respectively arranged with tooth bar 43, and each eyeglass
Tooth bar 43 on framework 41 is engaged with regulation gear 42 respectively.So this interpupillary adjustment mechanism 40 is operationally, Ke Yitong
Overdrive and regulate gear 42, under the transmission of tooth bar 43, lens frame 41 can be driven to carry out synchronizing to move in opposite directions or on the contrary,
Thus achieve the spacing to two optical glasss 20 being inlaid in respectively on lens frame 41 to be adjusted, that is achieve
This head-mounted display apparatus 100 carries out the effect of adapt according to the interpupillary distance that user is different.
It is appreciated that on the main body frame 10 of the present embodiment and is provided with clip 12, and the two ends of described clip 12 are inserted respectively
Be connected on main body frame 11 and fixing with main body frame 11 be connected so that this head-mounted display apparatus 100 in use, user
Head can be clothed to by this clip 12, in order to provide the comfort level of user, the clip of the present embodiment specifically by
Flexible material is prepared from.
As the preferred version of the present invention, described main body frame 10 being additionally provided with grade bar 13, described shelves bar 13 is set to
Rugosity structure, and bend setting relative to main body frame 10 after downwards, this head-mounted display apparatus 100 is worn by it when user
When Dai Zhitou is upper, its grade of bar 13 is resisted against on head, the fastening fixing with user head to improve head-mounted display apparatus 100
Degree.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. a head-mounted display apparatus, it is characterised in that: include main body frame, and the optical system being located on main body frame,
Equipment fixed mechanism it is provided with, with holding movable terminal outside optical system on described main body frame；Described optical system bag
Including two optical glass groups, the most each optical glass group includes Fresnel Lenses and plus lens, described Fresnel Lenses respectively
It is oppositely arranged with plus lens, and described Fresnel Lenses is set to plane, opposite side end face in the side end face deviating from plus lens
Being set to the Fresnel surface of radial symmetric, described plus lens is set to plane in the side end face deviating from Fresnel Lenses, another
Side end face is set to aspheric surface.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: described plus lens is that plano-convex aspheric surface is saturating
Mirror.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: described equipment fixed mechanism includes relatively setting
The two pieces of clamp clips put, are located at the screw rod on two pieces of clamp clips in a vertical manner, and for two pieces of clamp clip spacing of regulation
Knob；Wherein said screw rod is connected threadably with two pieces of clamp clips respectively, and both is threaded in opposite direction, described
Knob is fixing with screw rod to be connected.
Head-mounted display apparatus the most according to claim 3, it is characterised in that: described screw rod is arranged on two pieces of clamp clips
Middle part.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: it is provided with one on described main body frame and is in the light
Bar, described shield bars is arranged on the position between two optical glass groups, to be opposite to mobile terminal on equipment fixed mechanism
Display screen is separated.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: described head-mounted display apparatus also includes pupil
Distance regulating mechanism, two described optical glass groups are inlaid on interpupillary adjustment mechanism respectively.
Head-mounted display apparatus the most according to claim 6, it is characterised in that: described interpupillary adjustment mechanism includes relatively setting
Two lens frames put, and for regulating the regulation gear of two lens frame spacing, on lens frame described in two of which
It is respectively arranged with the tooth bar on tooth bar, and each lens frame to be engaged with regulation gear respectively.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: it is provided with clip on described main body frame,
And the two ends of described clip are plugged on main body frame respectively and fixing with main body frame are connected.
Head-mounted display apparatus the most according to claim 8, it is characterised in that: described clip prepared by flexible material and
Become.
Head-mounted display apparatus the most according to claim 1, it is characterised in that: it is provided with a grade bar on described main body frame,
Described shelves bar is set to rugosity structure, and bends setting the most afterwards relative to main body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638883.8A CN106094211A (en) | 2016-08-03 | 2016-08-03 | A kind of head-mounted display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610638883.8A CN106094211A (en) | 2016-08-03 | 2016-08-03 | A kind of head-mounted display apparatus |
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| CN106094211A true CN106094211A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610638883.8A Pending CN106094211A (en) | 2016-08-03 | 2016-08-03 | A kind of head-mounted display apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842580A (en) * | 2017-04-01 | 2017-06-13 | 核桃智能科技（常州）有限公司 | Intelligent near-eye equipment |
| CN106918746A (en) * | 2017-04-21 | 2017-07-04 | 北京首都机场动力能源有限公司 | A kind of phase sequence testing auxiliary device |
| CN107564406A (en) * | 2017-10-19 | 2018-01-09 | 嘉兴御创电力科技有限公司 | Warning sign easy to install |
| CN107608079A (en) * | 2017-10-24 | 2018-01-19 | 歌尔科技有限公司 | Wear display device |
| CN107632388A (en) * | 2017-10-24 | 2018-01-26 | 歌尔科技有限公司 | Eyepiece and wear display device |
| CN108398794A (en) * | 2018-04-20 | 2018-08-14 | 歌尔科技有限公司 | A kind of augmented reality equipment |
| CN108957744A (en) * | 2017-05-22 | 2018-12-07 | 苏州大学 | A method of improving big visual angle VR optical system edge image quality |
| CN109031661A (en) * | 2017-06-12 | 2018-12-18 | 宏碁股份有限公司 | Virtual reality display device |
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| CN107608079A (en) * | 2017-10-24 | 2018-01-19 | 歌尔科技有限公司 | Wear display device |
| CN107632388A (en) * | 2017-10-24 | 2018-01-26 | 歌尔科技有限公司 | Eyepiece and wear display device |
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| CN108398794A (en) * | 2018-04-20 | 2018-08-14 | 歌尔科技有限公司 | A kind of augmented reality equipment |
| WO2019200771A1 (en) * | 2018-04-20 | 2019-10-24 | 歌尔科技有限公司 | Augmented reality device |
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Inventor after: Yu Xi Inventor after: Zhang Linjun Inventor after: Xie Nian Inventor after: Zhang Dongbiao Inventor before: Yu Xi Inventor before: Xie Nian Inventor before: Zhang Dongbiao |
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Application publication date: 20161109 |