CN108107581A - Head-mounted display apparatus - Google Patents
Head-mounted display apparatus Download PDFInfo
- Publication number
- CN108107581A CN108107581A CN201711446354.9A CN201711446354A CN108107581A CN 108107581 A CN108107581 A CN 108107581A CN 201711446354 A CN201711446354 A CN 201711446354A CN 108107581 A CN108107581 A CN 108107581A
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- China
- Prior art keywords
- display screen
- head
- display apparatus
- mounted display
- speculum
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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)
Abstract
The invention discloses a kind of head-mounted display apparatus, the head-mounted display apparatus includes wear-type shell, further includes outside support, display screen and optical path component；The optical path component has translucency；The outside support is fixed on the wear-type shell, and the display screen is arranged on the outside support, and in default threshold range, the optical path component is arranged below the display screen for the plane of the display screen and the angle of horizontal plane；The emergent light of the display screen exposes to target location by the optical path component.The present invention blocks user's visual field with reducing display screen, while passes through specific optical path component by the setting to screen position so that the emergent light of display screen can be reflected into target location by optical path component.
Description
Technical field
The invention belongs to the screen display field of head-mounted display apparatus, more particularly to a kind of head-mounted display apparatus.
Background technology
The display of existing head-mounted display apparatus mostly tilts the optical design of screen-type, the partial field of view quilt in front
The screen of display blocks, and display area is excessively narrow, and user experience effect is limited.
In addition, mobile phone is placed on display interior by existing head-mounted display apparatus, when application, needs head to undertake hand
The heavier weight of machine greatly reduces the experience effect of user.
The content of the invention
The present invention is in order to which the display screen for showing head-mounted display in the prior art is overcome easily to block user's visual field
Defect provides a kind of head-mounted display apparatus.
The present invention solves the above problems by the following technical programs：
A kind of head-mounted display apparatus, the head-mounted display apparatus include wear-type shell, further include outside support, show
Display screen and optical path component；The optical path component has translucency；
The outside support is fixed on the wear-type shell, and the display screen is arranged on the outside support
On, in default threshold range, the optical path component is arranged on described aobvious for the plane of the display screen and the angle of horizontal plane
Below display screen；
The emergent light of the display screen exposes to target location by the optical path component.
Optionally, the optical path component includes beam splitting chip and speculum；
The emergent light reflexes to the speculum by the beam splitting chip；
The speculum is used to the emergent light reflexing to the target location.
Optionally, the plane of the display screen and the angle of horizontal plane are 0 °, the beam splitting chip respectively with the display screen
With speculum angle at 45 °, the speculum and the display screen are orthogonal.
Optionally, the speculum is curved mirror, and the focus of the speculum is overlapped with the target location.
Optionally, the emergent light is elliptically polarized light, and the elliptically polarized light includes S-polarization light；
The S-polarization light reflexes to the speculum by the beam splitting chip；
The S-polarization light is converted to P polarization light and reflexes to the beam splitting chip by the speculum；
The P polarization light is transmitted through the target location by the beam splitting chip.
Optionally, the speculum includes TAC (triacetate fiber film, for manufacturing the optical thin film of polaroid) base
Material, the surface of the TAC base materials attach QWP (quarter-wave plate) films and the first APF (Mulitlayer film reflecting types successively from inside to outside
Polaroid) polarizing coating, the surface of the beam splitting chip attaches the 2nd APF polarizing coatings.
Optionally, the light transmission shaft of the first APF polarizing coatings and the light transmission shaft of the 2nd APF polarizing coatings are orthogonal；
The light transmission shaft of the 2nd APF polarizing coatings is set along the long side direction of the beam splitting chip.
Optionally, the head-mounted display apparatus further includes external interface, one end of the external interface and the display
Screen connection；
The other end of the external interface obtains the picture number on the external equipment for being connected with external equipment
According to；
The display screen is used to show described image data.
Optionally, the display screen is two.
Optionally, the outside support includes upper bracket and lower carriage；
The display screen is arranged on the upper bracket, and the optical module is arranged on the upper bracket and the lower carriage
Between.
The positive effect of the present invention is：The present invention is by the setting to screen position, to reduce display screen pair
User's visual field is blocked, while passes through specific optical path component so that the emergent light of display screen can pass through optical path component and reflect
To target location.
Description of the drawings
Fig. 1 is the side view of the head-mounted display apparatus of the embodiment of the present invention 1.
Fig. 2 is the front view of the head-mounted display apparatus of the embodiment of the present invention 1.
Fig. 3 is the structure diagram of the head-mounted display apparatus of the embodiment of the present invention 2.
Fig. 4 is the light path schematic diagram of the emergent light of the display screen of the head-mounted display apparatus of the embodiment of the present invention 2.
Fig. 5 is the structure diagram of the speculum of the head-mounted display apparatus of the embodiment of the present invention 2.
Fig. 6 is the polarization converted schematic diagram of the emergent light of the display screen of the head-mounted display apparatus of the embodiment of the present invention 2.
Fig. 7 is the structure diagram of the head-mounted display apparatus of the embodiment of the present invention 3.
Specific embodiment
It is further illustrated the present invention below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a scope.
Embodiment 1
As shown in Figs. 1-2, a kind of head-mounted display apparatus, the head-mounted display apparatus includes wear-type shell 1, special
Sign is that the head-mounted display apparatus further includes outside support 2, display screen 3 and optical path component 4；The optical path component 4 has
Translucency；Fig. 1 shows the side view of head-mounted display apparatus, and Fig. 2 shows the front view of head-mounted display apparatus.
The outside support 2 is fixed on the wear-type shell 1, and the display screen 3 is arranged on the external branch
On frame 2, in default threshold range, the optical path component 4 is arranged on institute for the plane of the display screen 3 and the angle of horizontal plane
State 3 lower section of display screen；
It should be noted that the preset threshold range of angle is set according to actual conditions, ensureing the emergent light of display screen
On the premise of normal transmission, display screen is avoided to be blocked in itself to user's visual field.
The emergent light of the display screen 3 exposes to target location by the optical path component 4；Wherein, target location can be with
The position of eyes after head-mounted display apparatus is worn for user；
It should be noted that the emergent light that the display screen 3 in the present embodiment is sent exposes to mesh by the optical path component 4
Cursor position, simultaneously as optical path component 4 itself has translucency, external natural light can also be irradiated by the optical path component 4
To human eye, i.e., while user watches the image on display screen 3 by optical path component 4, additionally it is possible to see the scenery in front,
Solve thing problems, such as the design of existing mobile phone or display screen tilting screen causes visual field immediately ahead of partial occlusion.
Optical path component in the present embodiment can include beam splitting chip and speculum, and display screen is single screen, what display screen was shown
The emergent light of image point left screen image and right screen image, the emergent light of left screen image and right screen image is respectively according to respective light path
It is transmitted, transmission principle is identical, light transmission is carried out using the right and left of beam splitting chip and speculum respectively, specifically, going out
It penetrates light and reflexes to transmitting mirror by beam splitting chip, then target location is reflexed to through speculum.
Pass through the setting to 3 position of display screen in the present embodiment, it is possible to reduce display screen 3 blocks user's visual field, together
When pass through specific optical path component 4 so that the emergent light of display screen 3 can be reflected into target location by optical path component 4.
Embodiment 2
As seen in figures 3-6, the head-mounted display apparatus of the present embodiment is further improved on the basis of embodiment 1, ginseng
See Fig. 3, the optical path component 4 includes beam splitting chip 42 and speculum 41；
The emergent light reflexes to the speculum 41 by the beam splitting chip 42；
The speculum 41 is used to the emergent light reflexing to the target location, and Fig. 4 shows that wear-type is shown and sets
The light path schematic diagram of the emergent light of standby display screen.
Wherein, the plane of the display screen 3 and the angle of horizontal plane are 0 °, the beam splitting chip 42 respectively with the display screen
3 and 41 angle at 45 ° of the speculum, the speculum 41 and the display screen 3 it is orthogonal.
The speculum 41 is curved mirror, and the focus of the speculum 41 is overlapped with the target location.
In addition, the speculum 41 uses transparent TAC base materials 411, Fig. 5 shows the structural representation of curved reflector 41
Figure, the surface of the TAC base materials 411 attaches QWP films 412 and the first APF polarizing coatings 413 successively from inside to outside, then passes through hot pressing
Moulding process substrate is shaped to 41 optical element of curved reflector of demand radius of curvature；The beam splitting chip 42 is also using saturating
Bright base material, substrate surface attach the 2nd APF polarizing coatings；
The light transmission shaft of the first APF polarizing coatings 413 and the light transmission shaft of the 2nd APF polarizing coatings are orthogonal；It is described
The light transmission shaft of 2nd APF polarizing coatings is set along the long side direction of the beam splitting chip 42.
The emergent light is elliptically polarized light, and the elliptically polarized light includes S-polarization light；
The S-polarization light reflexes to the speculum 41 by the beam splitting chip 42；
The S-polarization light is converted to P polarization light and reflexes to the beam splitting chip 42 by the speculum 41；
The P polarization light is transmitted through the target location by the beam splitting chip 42.
Fig. 6 shows the polarization converted schematic diagram of the emergent light of the display screen of head-mounted display apparatus, is sent out by display screen 3
The elliptically polarized light (comprising S-polarization light and P polarization light) gone out, the polarization vector of S-polarization light perpendicular to the plane where beam splitting chip,
The polarization vector of P polarization light is in the plane where beam splitting chip, through beam splitting chip 42 by the camber reflection of S-polarization light reflection to front
Mirror 41, wherein, P polarization light light loses and (is transmitted away from beam splitting chip) through beam splitting chip 42, S-polarization light reflection to camber reflection
Mirror, a part of S-polarization light is converted to the light of P polarization state by curved reflector 41 while reflection incident S-polarization light, after conversion
P polarization light polarization vector in the plane of beam splitting chip, reach target location through beam splitting chip 42, whole light transmission rate is
23.5%, it is effectively improved visual brightness.
In the present embodiment, through 42 beam splitting of beam splitting chip, curved reflector 41 is formed the image beam that display screen 3 is shown after reflecting
The picture of amplification supplies eye-observation, wherein, virtual location is in 41 focal position of curved reflector, therefore, wearer can wear from
Oneself spectacles or spectacles for long sight use, and eyesight adjustment device need not be additionally set in display device wearing.
Embodiment 3
As shown in fig. 7, the head-mounted display apparatus of the present embodiment is further improved on the basis of embodiment 1, it is described
Head-mounted display apparatus further includes external interface 5, and one end of the external interface 5 is connected with the display screen 3, the display screen
3 be two；
It should be noted that the image of left and right two that the single screen of the prior art is shown is synchronously unanimously to show, and this reality
Example is applied using two display screens, two images is shown respectively, by the image data for having elementary errors different to two display screen transmission, reaches
To more preferably 3D effect, in addition, during using two display screens, the optic path principle and embodiment of the emergent light of each display screen
It is consistent in 1.
The other end of the external interface 5 obtains the picture number on the external equipment for being connected with external equipment
According to；
The display screen 3 is used to show described image data；
The outside support 2 includes upper bracket and lower carriage；
The display screen 3 is arranged on the upper bracket, and the optical module is arranged on the upper bracket and the lower branch
Between frame.
External equipment (such as the audio-video devices such as mobile phone or computer) need not be placed in head-mounted display apparatus,
The audio-video devices such as mobile phone or computer pass through USB (universal serial bus) lines and the external interface 5 of head-mounted display apparatus
(such as TYPE-C (a kind of connecting interface of USB interface) socket) connects, and video-audio signal passes through after bridging hardware handles
MIPI (Mobile Industry Processor Interface, mobile industry processor interface) line is transferred to two displays
Screen 3 is observed respectively for the right and left eyes of user.
It should be noted that in general, head-mounted display apparatus is designed as with relatively small size and weight
It is beneficial, and it is also more attractive for a user, younger user or the user of small strength can so be allowed to use, and
And people is generally less allowed to feel fatigue when in use, using separated two pieces small display screens 3, wear-type is reduced to a certain extent
The weight of display device, in addition, for user each eye on the premise of having individual display screen 3, can be equipped with solely
Vertical optical device, can also two eyes common sparing optical modules according to actual needs.
The present embodiment can use USB line by the image transmitting of the other display equipments such as mobile phone or computer to two pieces small
On display screen, solve mobile phone in existing scheme and be placed on inner helmet, the problem of wearer's load-bearing is too high, while two displays
Screen is convenient for individually controlling.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (10)
1. a kind of head-mounted display apparatus, the head-mounted display apparatus includes wear-type shell, which is characterized in that described to wear
Formula display device further includes outside support, display screen and optical path component；The optical path component has translucency；
The outside support is fixed on the wear-type shell, and the display screen is arranged on the outside support, institute
The plane of display screen and the angle of horizontal plane are stated in default threshold range, the optical path component is arranged under the display screen
Side；
The emergent light of the display screen exposes to target location by the optical path component.
2. head-mounted display apparatus as described in claim 1, which is characterized in that the optical path component includes beam splitting chip and reflection
Mirror；
The emergent light reflexes to the speculum by the beam splitting chip；
The speculum is used to the emergent light reflexing to the target location.
3. head-mounted display apparatus as claimed in claim 2, which is characterized in that the plane of the display screen and the folder of horizontal plane
Angle is 0 °, the beam splitting chip respectively with the display screen and speculum angle at 45 °, the speculum and the display screen
It is orthogonal.
4. head-mounted display apparatus as claimed in claim 2, which is characterized in that the speculum be curved mirror, the reflection
The focus of mirror is overlapped with the target location.
5. head-mounted display apparatus as claimed in claim 2, which is characterized in that the emergent light is elliptically polarized light, described
Elliptically polarized light includes S-polarization light；
The S-polarization light reflexes to the speculum by the beam splitting chip；
The S-polarization light is converted to P polarization light and reflexes to the beam splitting chip by the speculum；
The P polarization light is transmitted through the target location by the beam splitting chip.
6. head-mounted display apparatus as claimed in claim 2, which is characterized in that the speculum includes TAC base materials, described
The surface of TAC base materials attaches QWP films and the first APF polarizing coatings successively from inside to outside, and the surface of the beam splitting chip attaches the 2nd APF
Polarizing coating.
7. head-mounted display apparatus as claimed in claim 6, which is characterized in that the light transmission shaft of the first APF polarizing coatings and
The light transmission shaft of the 2nd APF polarizing coatings is orthogonal；
The light transmission shaft of the 2nd APF polarizing coatings is set along the long side direction of the beam splitting chip.
8. head-mounted display apparatus as described in claim 1, which is characterized in that the head-mounted display apparatus further includes external
Interface, one end of the external interface are connected with the display screen；
The other end of the external interface obtains the image data on the external equipment for being connected with external equipment；
The display screen is used to show described image data.
9. head-mounted display apparatus as described in claim 1, which is characterized in that the display screen is two.
10. head-mounted display apparatus as described in claim 1, which is characterized in that the outside support includes upper bracket under
Stent；
The display screen is arranged on the upper bracket, the optical module be arranged on the upper bracket and the lower carriage it
Between.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446354.9A CN108107581A (en) | 2017-12-27 | 2017-12-27 | Head-mounted display apparatus |
| PCT/CN2017/119706 WO2019127318A1 (en) | 2017-12-27 | 2017-12-29 | Head-mounted display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446354.9A CN108107581A (en) | 2017-12-27 | 2017-12-27 | Head-mounted display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108107581A true CN108107581A (en) | 2018-06-01 |
Family
ID=62213659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446354.9A Pending CN108107581A (en) | 2017-12-27 | 2017-12-27 | Head-mounted display apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108107581A (en) |
| WO (1) | WO2019127318A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659217A (en) * | 1992-08-05 | 1994-03-04 | Olympus Optical Co Ltd | Head or face mounting type display device |
| JPH1195160A (en) * | 1997-09-19 | 1999-04-09 | Seiko Epson Corp | Head mounted display device |
| CN104903777A (en) * | 2012-11-21 | 2015-09-09 | 拉斯特公司 | Augmented-reality optical module |
| CN106501935A (en) * | 2015-09-03 | 2017-03-15 | 3M创新有限公司 | Head mounted display |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749779B (en) * | 2014-12-24 | 2017-06-06 | 张璁 | Double screen Helmet Mounted Display |
| CN204496117U (en) * | 2015-04-01 | 2015-07-22 | 陈俊有 | 3d glasses |
| CN105137598B (en) * | 2015-07-24 | 2018-07-17 | 浙江大学 | Transparent display screen and preparation method thereof, optical system and application |
| US9946073B2 (en) * | 2015-12-31 | 2018-04-17 | Oculus Vr, Llc | Methods and systems for eliminating strobing by switching display modes in response to detecting saccades |
| CN206684389U (en) * | 2017-04-28 | 2017-11-28 | 歌尔科技有限公司 | A kind of optics module and augmented reality glasses |
| CN107422481A (en) * | 2017-08-07 | 2017-12-01 | 杭州太若科技有限公司 | Apparatus and method for realizing augmented reality |
-
2017
- 2017-12-27 CN CN201711446354.9A patent/CN108107581A/en active Pending
- 2017-12-29 WO PCT/CN2017/119706 patent/WO2019127318A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0659217A (en) * | 1992-08-05 | 1994-03-04 | Olympus Optical Co Ltd | Head or face mounting type display device |
| JPH1195160A (en) * | 1997-09-19 | 1999-04-09 | Seiko Epson Corp | Head mounted display device |
| CN104903777A (en) * | 2012-11-21 | 2015-09-09 | 拉斯特公司 | Augmented-reality optical module |
| CN106501935A (en) * | 2015-09-03 | 2017-03-15 | 3M创新有限公司 | Head mounted display |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019127318A1 (en) | 2019-07-04 |
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Application publication date: 20180601 |
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