CN207148430U - A kind of wear-type 2D display devices - Google Patents
A kind of wear-type 2D display devices Download PDFInfo
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- CN207148430U CN207148430U CN201720937480.3U CN201720937480U CN207148430U CN 207148430 U CN207148430 U CN 207148430U CN 201720937480 U CN201720937480 U CN 201720937480U CN 207148430 U CN207148430 U CN 207148430U
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Abstract
The utility model discloses a kind of wear-type 2D display devices, including wearing part and for providing the display portion of visual experience to wearer for what display portion was fixed on into wearer's head, the display portion includes display unit and optical unit, the optical unit includes spectral module, the spectral module is divided to display image, display image is projected to the left eye and right eye of user respectively in the case where not losing resolution ratio, user can obtain good visual effect when closely watching display device, it is simple eye with regard to high definition resolution ratio can be reached, with high resolution, cost is cheap, privacy is good, wear, the advantages of easy to carry.
Description
Technical field
It the utility model is related to display device technology field, more particularly to a kind of wear-type 2D display devices.
Background technology
In recent years, developing rapidly with technologies such as VR, AR, head-mounted display apparatus because it possesses 3D effect and by more next
More people are received.Existing head-mounted display apparatus carries display screen or borrows mobile phone display screen, display screen one is divided is
Two, left eye sees the image of left eye, and right eye sees the image of right eye, non-interference, and the image that human brain again obtains right and left eyes synthesizes 3D
Image, the image that display screen is shown shows stereoeffect to be watched for wearer.The mode of this split screen obtains each eye
The image resolution ratio taken is at most only capable of the half for reaching display resolution.The premise that stereoeffect is presented is the film source of display screen
For 3D film sources, but actually 3D film sources quantity is few, and user's most time all watches 2D film sources with it, and it is same to watch 2D film sources
Sample needs display screen carrying out split screen, and the image resolution ratio of acquisition is reduced to the half of display resolution, simultaneously as 2D film sources
The image no parallax that left eye, right eye are seen after split screen, human brain can not synthesize 3D rendering effect, therefore be shown using existing wear-type
Presence can neither obtain 3D effect when equipment watches 2D film sources, the problem of have lost a half-resolution again, have a strong impact on use
The experience sense of person.To solve the problem, part head-mounted display apparatus uses two independent display screens, but is further added by one and shows
Display screen also needs to the expensive electrical devices of extra increase, and cost greatly improves.
Utility model content
The purpose of this utility model is to provide a kind of wear-type 2D display devices solve current head-mounted display apparatus and see
The problem of seeing 2D inferior image resolutions and high expensive, pass through smart mobile phone screen or other mobile display devices or direct drive
Display screen, viewing when can also obtain good visual effect, it is simple eye just to reach high definition resolution ratio, have high resolution,
Cost is cheap, and privacy is good, the advantages of wearing, be easy to carry.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of wear-type 2D display devices, including for display portion to be fixed on to wearing part and the use of wearer's head
In the display portion that visual experience is provided to wearer, the display portion includes display unit and optical unit；
The display unit is used to generate display image；
The optical unit includes spectral module, and for being divided to display image, display image is projected to respectively
The left eye and right eye of user.
Especially, the spectral module includes half-reflecting half mirror, the first speculum, the second speculum and the 3rd speculum,
The light path of the spectral module is：The display image of the display unit generation is all the way after half-reflecting half mirror reflects again through first
Speculum reflexes to the eyes of user, and another way is after half-reflecting half mirror transmits again successively through the second speculum and the 3rd
Speculum reflexes to the another eyes of user.
Especially, distance is adjustable between first speculum and half-reflecting half mirror, second speculum and the 3rd anti-
Distance is adjustable between penetrating mirror.
Especially, the spectral module also includes optical amplifier device, and the optical amplifier device is used for display image
The image obtained after light splitting is projected to the left eye and right eye of user again after being amplified.
Especially, the optical unit also includes reducing module, and the diminution module is used for the virtual image for generating display image,
The virtual image of the display image is less than display image, and display image is divided again after reducing module.
Especially, the diminution module includes the 4th speculum and optical reduction device, and the light path of the diminution module is：
The display image of display unit generation is divided by spectral module again after the 4th speculum reflexes to optical reduction device.
Especially, the diminution module also includes the 5th speculum, and the display image of the display unit generation is through the 4th
After speculum reflection, then through the 5th mirror lens reflex to optical reduction device.
The utility model proposes a kind of wear-type 2D display devices, having the beneficial effect that compared with prior art：Pass through
Light-splitting processing, the display image that display device generates is divided, in the case where not losing resolution ratio by display image point
The left eye and right eye of user are not projected to, and user can obtain good vision effect when closely watching display device
Fruit, it is simple eye just to reach high definition resolution ratio, have high resolution, cost cheap, privacy is good, the advantages of wearing, be easy to carry.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the user's eyes direct viewing display picture schematic diagram that the utility model embodiment 1 provides.
Fig. 2 is the picture view after the user's eyes viewing light splitting that the utility model embodiment 1 provides.
α=45 ° that Fig. 3 provides for the utility model embodiment 1, β=90 ° time-division optical module structure figure.
α=30 ° that Fig. 4 provides for the utility model embodiment 1, β=75 ° time-division optical module structure figure.
Fig. 5 is the diminution function structure chart that the utility model embodiment 2 provides.
Fig. 6 is diminution module+spectral module schematic diagram that the utility model embodiment 2 provides.
Fig. 7 is diminution module+reflecting module+spectral module schematic diagram that the utility model embodiment 2 provides.
Fig. 8 is the display methods flow chart for the wear-type 2D display devices that the utility model embodiment 3 provides.
In figure：1- display units, 2- half-reflecting half mirrors, the speculums of 3- first, the speculums of 4- second, the speculums of 5- the 3rd,
6- optical amplifier devices, the speculums of 7- the 4th, the speculums of 8- the 5th, 9- optical reduction devices, the speculums of 10- the 6th, 11- the 7th
Speculum
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
Present embodiment discloses a kind of wear-type 2D display devices, including display portion and wearing part.The display part
Give wearer and visual experience is provided, specifically include display unit and optical unit.Display portion is fixed in the wearing part
In wearer's head.The wearing part is worn on user head, and part is worn in display unit insertion, before being arranged at human eye
Side, optical unit are arranged between display unit and human eye.
Display unit described in the present embodiment generates display image, and its preferred embodiment is that the display unit uses mobile phone
Or other mobile display devices or the display screen of direct drive.
The display image that display unit generates is divided by optical unit described in the present embodiment, and display image is thrown respectively
The left eye and right eye of user are incident upon, the center of the image obtained after face light splitting is distinguished at the oculopupillary center in left and right.It is existing
Head-mounted display apparatus is usual only apart from user's eye for the comfortableness for ensureing the privacy of viewing and wearing, display unit
There are several centimetres, but limited by human body eye structure, most people is focused for the object in 15 centimetres of distance, and human eye just has
Uncomfortable sensation.Therefore display unit will closely cause user can not cosily to be watched very much by eyes excessively apart from user's eye
Display picture.As shown in figure 1, user's eye direct viewing display picture signal that Fig. 1, which is the utility model embodiment 1, to be provided
Figure, when human eye direct viewing display picture, the line L1 of display picture and left eye, and the line L2 of display picture and right eye
Between angle γ be present, as γ=0, display screen and human eye apart from infinity, now user's experience sense is optimal.With aobvious
Showing that picture is more and more nearer apart from human eye, angle γ is increasing, when display picture and the distance of human eye are less than 15 centimetres or smaller,
When angle γ reaches certain numerical value, user can not cosily watch display picture very much.If therefore think that user can comfortably see
Display picture is seen, usual display picture is more than 15 centimetres with human eye distance.But 15 centimetres of display picture and the distance of human eye or with
When upper, head-mounted display apparatus is oversized, influences the comfortableness worn.To solve the technical problem, the present embodiment is being shown
Spectral module is set between unit and user's eye, display image is divided, display image is projected to use respectively
The left eye and right eye of person, allow the left eye of people and right eye all while to be directed at display image, realize that the images of left and right eyes of people respectively sees each figure
Picture, it does not interfere with each other, human brain can become an image after being synthesized to the image for entering images of left and right eyes.As shown in Fig. 2 Fig. 2 is this
Picture view after user's eye viewing light splitting that utility model embodiment 1 provides, the first display picture obtained after light splitting
Angle between the second display picture and the line L4 of right eye that are obtained after face and the line L3 of left eye, and light splitting is 0, display
Picture and human eye apart from infinity, user's experience sense is relatively good, and eyes are not easily tied.Meanwhile display image is carried out
The image resolution ratio obtained after light splitting is not lost, simple eye to obtain high definition resolution ratio.
The preferred embodiment of the present embodiment is that the spectral module includes half-reflecting half mirror 2, the first speculum 3, second
The speculum 5 of speculum 4 and the 3rd, wherein, the half-reflecting half mirror 2 and angle α=45 ° of display unit 1, first speculum
3 with 2 parallel installation of half-reflecting half mirror, angle β=90 ° between second speculum 4 and half-reflecting half mirror 2, the described 3rd is anti-
Penetrate mirror 5 and the 4 parallel installation of the second speculum.As shown in figure 3, Fig. 3 is α=45 ° that the utility model embodiment 1 provides, β=
90 ° of time-division optical module structure figures.The display image that display unit 1 generates is all the way again through the after half-reflecting half mirror 2 is reflected
One speculum 3 reflexes to the left eye of user, and the another way of display image is after half-reflecting half mirror 2 is transmitted again successively through
The transmitting mirror 5 of two-mirror 4 and the 3rd reflexes to the right eye of user, so as to realize light splitting, the images of left and right eyes pupil of user
The central point of display image is directed at, viewing display image is pleasant.
It should be noted that from the concrete structure of spectral module in the present embodiment, display picture central point is through light splitting
Mounting distance d1 of the distance between two incident points after module light splitting between D and the first speculum 3 and half-reflecting half mirror 2,
And the 3rd speculum 5 it is relevant with the mounting distance d2 between the second speculum 4, D=d1+d2.It is left and right for different users
Eye pupil pitch of holes is different, for ensure two incident points after being divided respectively can the person of coming into operation left eye and right eye, can will half
The anti-speculum 4 of pellicle mirror 2 and second is arranged to fixed, the first speculum 3 and the 3rd speculum 5 is set into translatable, user
In use, the first speculum, can be adjusted at appropriate mobile first speculum 3 and the 3rd speculum 5 according to viewing effect
The mounting distance d2 between mounting distance d1 and the 3rd speculum 5 and the second speculum 4 between 3 and half-reflecting half mirror 2, so as to
The interpupillary distance of the distance between two incident points of adjustment D and user are equal, realize that two incident points respectively can the person of coming into operation
Left eye and right eye, obtain the best visual effect.Meanwhile according to optical transmission and principle of reflection, display image is through spectral module
Image space, in further away from the position of human eye, can avoid hypotelorism compared with display unit present position afterwards
Human eye is caused not focus, it is impossible to the problem of seeing display picture clearly.
For the visual effect further obtained, the preferred embodiment of the present embodiment also includes light for the spectral module
Amplifying device 6 is learned, the optical amplifier device 6 is respectively arranged between the first speculum 3 and user's eye and the 3rd is anti-
Penetrate between mirror 5 and user's eye, the image obtained after display image is divided is projected to user again after being amplified
Left eye and right eye.
The preferred embodiment of the present embodiment is that the optical amplifier device 6 uses convex lens.
It should be noted that as long as the spectral module meets following light path：Display image is anti-through half-reflecting half mirror all the way
Reflex to the eyes of user after penetrating through the first speculum again, another way is after half-reflecting half mirror transmits again successively through second
Speculum and the 3rd speculum reflex to the another eyes of user, then the angle between half-reflecting half mirror 2 and display unit 1
Angle β between α and the second speculum 4 and half-reflecting half mirror 2 can arbitrarily be set, and the first speculum and half anti-half
The angle between angle, the second speculum and the 3rd speculum between lens can also arbitrarily be set, and can guarantee that display figure
Picture can be vertically into human eye after spectral module is divided.As shown in figure 4, the α that Fig. 4, which is the utility model embodiment 1, to be provided=
30 °, β=75 ° time-division optical module structure figure, and α=45 °, during β=90 ° similarly, the mobile He of first speculum 3 can also be passed through
3rd speculum 5, the mounting distance d1 and the 3rd speculum 5 and second between the first speculum 3 of adjustment and half-reflecting half mirror 2 are anti-
The mounting distance d2 penetrated between mirror 4, it is equal so as to adjust the distance between two incident points D and user interpupillary distance, realize two
Individual incident point respectively can the person of coming into operation left eye and right eye, obtain the best visual effect.
It should be noted that the utility model is handled the image for entering right and left eyes using people's brain-capacity, finally in people
The front of eye synthesizes the image of a huge curtain.In order to reach preferable viewing effect, into two image centers of images of left and right eyes
Distance to be matched with the interpupillary distance (interpupillary distance) of user two, i.e. the big user of interpupillary distance, the distance of two image centers
Should suitably it increase, vice versa.Meanwhile the distance of the two images before right and left eyes to the pupil of corresponding eyes is equal, i.e.,
Equivalent optical path.The utility model passes through to display screen, speculum and the position of half-reflecting half mirror and their mutual angles
Adjustment requires to reach interpupillary distance matching and equivalent optical path this two.
The preferred embodiment of the present embodiment is that the size of the display image is the half of user's interpupillary distance, so as to
The central point of display image, the visual effect obtained can be directed at by ensureing the images of left and right eyes of user.
Embodiment 2
, can be with for the less display screen of size (size of the display screen in two interpupillary line directions is no more than 40 millimeters)
Selection directly carries out light-splitting processing using described in embodiment 1 by spectral module, but because current mobile display device compares
Greatly, the more screen for concentrating on 4.7-6 inches of mobile display device size more than comparison on the market, now according to implementation
Mode described in example 1, light-splitting processing is only carried out to display image by spectral module, then spectral module size will be caused larger, it is whole
Individual head-mounted display apparatus is bulky, heavy, greatly reduces the portability and practicality of the equipment.The right and left eyes of people are put down
Equal about 64 millimeters of interpupillary distance, after being directly divided to this large size panel, also result in the center of caused two pictures after light splitting
Distance causes to use considerably beyond the interpupillary distance of people.Therefore the present embodiment 2 increases on the basis of embodiment 1 reduces module,
The diminution module is arranged between display unit and spectral module, is divided again through spectral module after display image is reduced
Light, so as to effectively reduce the volume of display device, the interpupillary distance of people is adapted to, it is convenient to wear and carry.
The preferred embodiment of the present embodiment includes the 4th speculum 7, the 5th speculum 8 and optics for the diminution module
Reduce device 9.As shown in figure 5, Fig. 5 is the diminution function structure chart that the utility model embodiment 2 provides.The diminution module
Light path is：The display image that display unit 1 generates reflexes to optical reduction device through the 4th speculum 7 and the 5th speculum 8 successively
Part 9 is divided through spectral module again after being reduced.The display image AB that display unit 1 generates reflects through the 4th speculum 7
After generate as A ' B ', as A ' B ', generation is as A " B " after the reflection of the 5th speculum 8, as A " B " is after the diminution of optical reduction device 9
Generation reduces the relevant parameter that ratio depends on optical reduction device as A ' " B ' ".Spectrophotometric unit described in embodiment 1 is to as A ' "
B ' " carries out light-splitting processing.
The preferred embodiment of the present embodiment is that the optical reduction device 9 uses concavees lens.
It should be noted that the present embodiment meets on the basis of above-mentioned light path not to the 4th speculum in the diminution module
7th, setting is fixed in the setting angle of the 5th speculum 8 and optical reduction device 9.Further, it is reduction wear-type as far as possible
Display device size, the present embodiment use the four, the 5th two groups of speculums, are required according to the difference to equipment volume, can also
The one or more groups of speculums of corresponding selection.
It should be noted that the diminution module is flexibly set according to display image size is different, the present embodiment preferably exists
Optical reduction device is set when display image size is more than 70 millimeters.
As shown in fig. 6, Fig. 6 is diminution module+spectral module schematic diagram that the utility model embodiment 2 provides, wherein, show
If showing that display image that unit is sent directly is divided after reducing module along light path by spectrophotometric unit, light path is longer,
Optical unit size is larger, will directly affect the comfortableness of head-mounted display apparatus wearing.The preferred embodiment of the present embodiment
To set reflecting module between reducing unit and spectrophotometric unit, change optical path direction, further reduce optical unit size.Such as
Shown in Fig. 7, Fig. 7 be the utility model embodiment 2 provide diminution module+reflecting module+spectral module schematic diagram, the present embodiment
The reflecting module includes the 6th speculum 10 and the 7th speculum 11, and the display picture that display unit is sent is after reducing module
Spectral module is reflexed to through the 6th speculum 10 and the 7th speculum 11 successively and carry out light-splitting processing, change optical path direction, subtract
Small optical unit size.It should be noted that the reflecting module can also be arranged as required to carry out for polylith speculum
Higher order reflection.
It should be noted that in head-mounted display apparatus described in embodiment 1, embodiment 2, the speculum, half-reflection and half-transmission
Mirror, convex lens, concavees lens equipment are conventional optical element, cheap, and the display unit can also use mobile phone etc. to move
Dynamic display device, without extra increase display device, therefore the head-mounted display apparatus cost is relatively low.
Embodiment 3
Present embodiment discloses embodiment 1, the display methods of the 2 wear-type 2D display devices.As shown in figure 8, Fig. 8 is
The display methods flow chart for the wear-type 2D display devices that the utility model embodiment 3 provides.
The display methods of the wear-type 2D display devices comprises the following steps：
S1, display unit generation display image；
Display image is divided by S3, spectral module, and display image is projected to the left eye and right eye of user respectively.
The preferred embodiment of the present embodiment specifically includes display image for the step S3 and entered all the way through half-reflecting half mirror
Reflex to the eyes of user after row reflection through the first speculum again, another way after half-reflecting half mirror is transmitted again according to
The secondary another eyes that user is reflexed to through the second speculum and the 3rd transmitting mirror.
The preferred embodiment of the present embodiment is in the step S3, and the image obtained after display image light splitting is amplified
It is projected to the left eye and right eye of user again afterwards.
The preferred embodiment of the present embodiment also includes step S2 between the step S1 and step S3：
Display image is reduced, and the image after diminution is divided through step S3 by S2, diminution module.
The preferred embodiment of the present embodiment is that the step S2 is specially：Display image reflexes to light through the 4th speculum
Learn and be divided after reducing device through spectral module.
The preferred embodiment of the present embodiment be the display image after the reflection of the 4th speculum, then through the 5th speculum
It is divided after reflexing to optical reduction device through spectral module.
The technical solution of the utility model, by light-splitting processing, the display image that display device generates is divided,
Display image is projected to the left eye and right eye of user respectively, user is closely watching in the case of not losing resolution ratio
Good visual effect can be obtained during display device, it is simple eye just to reach high definition resolution ratio, have high resolution, cost low
Honest and clean, privacy is good, the advantages of wearing, be easy to carry.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (7)
1. a kind of wear-type 2D display devices, including for display portion to be fixed on to the wearing part of wearer's head and is used for
The display portion of visual experience is provided to wearer, it is characterised in that the display portion includes display unit and optical unit；
The display unit is used to generate display image；
The optical unit includes spectral module, and for being divided to display image, display image is projected to use respectively
The left eye and right eye of person.
2. wear-type 2D display devices according to claim 1, it is characterised in that the spectral module includes half-reflection and half-transmission
Mirror, the first speculum, the second speculum and the 3rd speculum, the light path of the spectral module are：The display unit generation
Display image reflexes to the eyes of user through the first speculum again after half-reflecting half mirror reflects all the way, and another way is through half
Reflex to the another eyes of user after anti-pellicle mirror transmission through the second speculum and the 3rd speculum successively again.
3. wear-type 2D display devices according to claim 2, it is characterised in that first speculum and half-reflection and half-transmission
Distance is adjustable between mirror, and distance is adjustable between second speculum and the 3rd speculum.
4. wear-type 2D display devices according to claim 1, it is characterised in that the spectral module is also put including optics
Big device, the image that the optical amplifier device is used to after display image is divided obtain are projected to user again after being amplified
Left eye and right eye.
5. wear-type 2D display devices according to claim 1, it is characterised in that the optical unit also includes reducing mould
Block, the virtual image reduced module and be used to generate display image, the virtual image of the display image are less than display image, display image
It is divided again after reducing module.
6. wear-type 2D display devices according to claim 5, it is characterised in that the diminution module includes the 4th reflection
Mirror and optical reduction device, the light path of the diminution module are：The display image of display unit generation reflects through the 4th speculum
It is divided again by spectral module after to optical reduction device.
7. wear-type 2D display devices according to claim 6, it is characterised in that it is anti-that the diminution module also includes the 5th
Mirror is penetrated, the display image of the display unit generation reflexes to optics after the reflection of the 4th speculum, then through the 5th mirror lens
Reduce device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937480.3U CN207148430U (en) | 2017-07-31 | 2017-07-31 | A kind of wear-type 2D display devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720937480.3U CN207148430U (en) | 2017-07-31 | 2017-07-31 | A kind of wear-type 2D display devices |
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| CN207148430U true CN207148430U (en) | 2018-03-27 |
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| CN201720937480.3U Expired - Fee Related CN207148430U (en) | 2017-07-31 | 2017-07-31 | A kind of wear-type 2D display devices |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436492A (en) * | 2017-07-31 | 2017-12-05 | 方良 | A kind of wear-type 2D display devices and display methods |
| CN108478402A (en) * | 2018-04-25 | 2018-09-04 | 陈立 | 2D myopia prevention number glasses |
| CN111988533A (en) * | 2019-05-23 | 2020-11-24 | 川田科技株式会社 | Welding assisting method and device |
-
2017
- 2017-07-31 CN CN201720937480.3U patent/CN207148430U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107436492A (en) * | 2017-07-31 | 2017-12-05 | 方良 | A kind of wear-type 2D display devices and display methods |
| CN108478402A (en) * | 2018-04-25 | 2018-09-04 | 陈立 | 2D myopia prevention number glasses |
| CN111988533A (en) * | 2019-05-23 | 2020-11-24 | 川田科技株式会社 | Welding assisting method and device |
| CN111988533B (en) * | 2019-05-23 | 2022-07-22 | 川田科技株式会社 | Welding assistance method and device |
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Granted publication date: 20180327 Termination date: 20210731 |