CN106856079A - Display device based on virtual image forming - Google Patents
Display device based on virtual image forming Download PDFInfo
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- CN106856079A CN106856079A CN201611110582.4A CN201611110582A CN106856079A CN 106856079 A CN106856079 A CN 106856079A CN 201611110582 A CN201611110582 A CN 201611110582A CN 106856079 A CN106856079 A CN 106856079A
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- refracted component
- exiting surface
- virtual image
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/2224—Studio circuitry; Studio devices; Studio equipment related to virtual studio applications
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention proposes a kind of display device based on virtual image forming, refracted component including housing, display module and with negative index, the light of the exiting surface institute outgoing of display module, it is incident to the incidence surface of the refracted component, reflected with negative index via the refracted component, and via the exiting surface outgoing of the refracted component, projected from the opening portion.Wherein, there is angle, the reverse extending line of the light emitted by opening portion, into the virtual image in the outside of housing between the exiting surface of display module and the exiting surface of refracted component.Due to by means of the refracted component with negative index so that be imaged as the virtual image and the virtual image is located at hull outside, solve the not good technical problem of floating display effect in the prior art.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display device based on virtual image forming.
Background technology
With continuing to develop for information technology, higher and higher requirement is it is also proposed for presentation of information, in prior art
In, polytype display mode is had been developed that, the display need of user are met for realizing a variety of display effects
Ask.
In the prior art, in order to produce floating display effect, a kind of mode is to hang transparent film in the air,
Image to be shown is included on film by interference.But this mode, can be right due to that must hang transparent film
Image is imaged, therefore, user will certainly encounter film in touching so that object suspends skyborne display effect not
It is good.Another way, is imaged using pyramidal configuration, and specifically, this mode is by similar pyramidal
Minute surface, reflects the picture of all angles of object, enables a user to see the floating display effect of 3 D stereo.But by
Pyramidal inside cavity can only be imaged in pyramidal configuration, therefore, user cannot touch, and also cause that object suspends in the air
Display effect it is not good.It can be seen that, in the prior art, floating display effect of the Display Technique in the presence of produced by is not true enough, shows
Show the technical problem of effect on driving birds is not good.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the invention is to propose a kind of display device based on virtual image forming, it is existing to solve
In technology, floating display effect is not true enough, the not good technical problem of display effect.
It is that, up to above-mentioned purpose, first aspect present invention embodiment proposes a kind of display device based on virtual image forming, bag
Include：Housing, display module and the refracted component with negative index；
The housing has at least one opening portion, and the refracted component is arranged at the opening portion；
The display module, in the cavity that the housing and the refracted component are enclosed；
The light of the exiting surface institute outgoing of the display module, is incident to the incidence surface of the refracted component, via described
Refracted component is reflected with negative index, and via the exiting surface outgoing of the refracted component, is projected from the opening portion；Wherein,
There is angle between the exiting surface of the exiting surface of the display module and the refracted component；
The reverse extending line of the light emitted by the opening portion, into the virtual image in the outside of the housing.
The device of the embodiment of the present invention, including housing, display module and the refracted component with negative index, display module
The outgoing of exiting surface institute light, be incident to the incidence surface of the refracted component, via the refracted component with negative index roll over
Penetrate, and via the exiting surface outgoing of the refracted component, projected from the opening portion.Wherein, the exiting surface of display module and folding
Penetrating has angle between the exiting surface of component, the reverse extending line of the light emitted by opening portion, into the virtual image in the outer of housing
Portion.Due to by means of the refracted component with negative index so that be imaged as the virtual image and the virtual image is located at hull outside, solve existing
There is the not good technical problem of floating display effect in technology.
Alternatively, the incidence surface of the refracted component is parallel with the exiting surface of the refracted component.
Alternatively, there is gap between the exiting surface of the incidence surface of the refracted component and the display module；
Air dielectric is filled with the gap.
Alternatively, sent by the display boundary point of the display module, incided at the extreme angles of the refracted component
Light, after the incidence surface of the refracted component occurs to reflect for the first time, and display boundary point institute outgoing, and along institute
The light for stating the normal incidence of the incidence surface of refracted component produces first intersection point, the intersection point to be located at the interior of the refracted component
Portion.
Alternatively, the incidence surface of the refracted component is parallel with the exiting surface of the display module；
There is angle between the exiting surface of the incidence surface of the refracted component and the refracted component.
Alternatively, the incidence surface of the refracted component is fitted with the exiting surface of the display module.
Alternatively, face of the area of the incidence surface of the refracted component more than or equal to the exiting surface of the display module
Product.
Alternatively, institute is 0-90 with angle between the exiting surface of the exiting surface of the display module and the refracted component
Degree.
Alternatively, negative refraction material is filled between the exiting surface of the incidence surface of the refracted component and the refracted component
Material.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
A kind of structural representation of display device based on virtual image forming that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is the structural representation of nanometer ball particle；
Fig. 3 is one of index path of virtual image forming；
Fig. 4 is the two of the index path of virtual image forming；And
Fig. 5 is the structural representation of another display device based on virtual image forming provided in an embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings the display device based on virtual image forming of the embodiment of the present invention is described.
A kind of structural representation of display device based on virtual image forming that Fig. 1 is provided by the embodiment of the present invention, such as Fig. 1
It is shown, including：Housing 11, display module 12 and the refracted component with negative index 13.
Housing 11 has at least one opening portion, and refracted component 13 is arranged at opening portion.
Display module 12, in the cavity that housing 11 and the refracted component 13 are enclosed.In Fig. 1, existed with oblique line
The subscript of display module 12 shows viewing area, and used as a kind of possible implementation, the viewing area of display module 12 is just
Square, used as alternatively possible implementation, the viewing area of display module 12 is irregular shape, due to viewing area
Shape realizes that effect does not constitute influence for the present embodiment, therefore, the shape in the present embodiment for viewing area is not limited
It is fixed.
The light of the exiting surface institute outgoing of display module 12, is incident to the incidence surface of refracted component 13, via the refraction
Component 13 is reflected with negative index, and via the exiting surface outgoing of the refracted component 13, is projected from the opening portion.From described
The reverse extending line of the light emitted by opening portion, into the virtual image in the outside of the housing 11.
Wherein, there is angle between the exiting surface of the exiting surface of the display module 12 and the refracted component 13.Display
It is 0-90 degree to have angle span between the exiting surface of the exiting surface of component 12 and the refracted component 13.
Due to having angle between the exiting surface of display module 12 and the exiting surface of the refracted component 13, it is being imaged
When, the light of the exiting surface institute outgoing of display module 12 is incident to the incidence surface of refracted component 13, via the refracted component 13
Reflected with negative index, so that the reverse extending line of the light for projecting, into the virtual image in the outside of the housing 11.
It can be seen that, in this light path, in order to reduce the loss of light, the area of the incidence surface of refracted component 13 should be big
In or equal to display module 12 exiting surface area, so as to improve image quality.The area of exiting surface is generally equal to display group
The area of the viewing area of part 12.
Further, it is possible to filled with negative folding between the incidence surface of refracted component 13 and the exiting surface of the refracted component 13
Material is penetrated, so that refracted component 13 has negative index.
Used as a kind of possible implementation, negative refractive index material is liquid crystal, consisting of the nanosphere of core shell structure
Particle, wherein, inner nuclear material is polarization material LiTaO3, Shell Materials are planar alignment nematic crystal, and Fig. 2 is nanometer variole
The structural representation of grain, as shown in Fig. 2 nanometer ball particle is immersed in liquid medium, the external diameter of nanosphere is r2=4.15um,
Internal diameter is r1=4um.
It should be noted that ε represents dielectric constant, μ represents magnetic conductivity.As shown in Figure 2, ε1And μ1It is the dielectric of kernel
Constant and magnetic conductivity, ε2And μ2It is the dielectric constant and magnetic conductivity of shell, ε3And μ3It is the dielectric constant and magnetic conductance of liquid medium
Rate.
The device of the embodiment of the present invention, including housing 11, display module 12 and the refracted component with negative index 13, show
Show the light of the exiting surface institute outgoing of component 12, the incidence surface of the refracted component 13 is incident to, via the refracted component 13
Reflected with negative index, and via the exiting surface outgoing of the refracted component 13, projected from the opening portion.Wherein, display group
There is angle, the reverse extending of the light emitted by opening portion between the exiting surface of part 12 and the exiting surface of refracted component 13
Line, into the virtual image in the outside of housing 11.Due to by means of the refracted component 13 with negative index so that be imaged as the virtual image and void
Image position solves the not good technical problem of floating display effect in the prior art outside housing 11.
Used as a kind of possible implementation, the incidence surface of refracted component 13 is parallel with the exiting surface of refracted component 13.Example
Such as：As shown in figure 1, the section of refracted component 13 is rectangle.Meanwhile, the exiting surface of display module 12 and the refracted component 13
There is included angle A between incidence surface.
For clear explanation image-forming principle, the present embodiment additionally provides the dress of the display based on virtual image forming that Fig. 1 is provided
The index path put, Fig. 3 is one of index path of virtual image forming, as shown in figure 3, the incidence surface of refracted component 13 is used for negative refraction
Rate carries out first time refraction, the exiting surface of refracted component 13, for carrying out second refraction with identical negative index.
Further, in a kind of possible implementation of the embodiment of the present invention, in refracted component 13 and display module 12
Between be filled with air dielectric.
The light that display module 12 is sent, the air filled between refracted component 13 and display module 12 first is situated between
It is transmitted in matter, and then, incident in the incidence surface of refracted component 13, in general incidence surface is specially the direction of refracted component 13
The one side of display module 12, exiting surface is the one side of the dorsad display module 12 of refracted component 13.
After the incidence surface incidence of refracted component 13, first time refraction is carried out with negative index in the incidence point of incidence surface.
Because refracted component 13 has negative index, so that incident ray and reflection light reflect obtained for the first time in the homonymy of normal
Refracted light from the incidence point outgoing of incidence surface to the eye point of exiting surface, carry out second refraction in eye point.Equally,
Because refracted component 13 has negative index, so that the incident ray and reflection light of second refraction are also in the homonymy of normal,
The obtained emergent ray of second refraction is from the exiting surface outgoing of refracted component 13 to the display device based on virtual image forming
Outside housing 11.
In order that the image obtained in display module 12 can be all displayed in the air outside housing 11, it is necessary to ensure that by showing
Show that the display boundary point of component 12 sends, incide the light at the extreme angles of refracted component 13, after first time reflects, with
The display boundary point outgoing, and along the incidence surface of refracted component 13 normal incidence light produce first intersection point, it is necessary to
The inside of refracted component 13, can so cause that the imaging of the reverse intersection point of light for entering human eye is produced on refracted component 13
In the air of side.
That is, as shown in figure 4, the thickness H of refracted component 13 should at least above the incidence surface of refracted component 13 with it is preceding
State the distance between first intersection point.
By above-mentioned light path, the light that display module 12 is sent, outside the outgoing of refracted component 13 to housing 11.And
And, light path as shown in Figure 3 is visible, and in the light outside outgoing to housing 11, correspondence is by same light in display module 12
The light that source is sent, intersects at outside housing 11, so that eyes are when the angle shown in Fig. 3 is observed, can be along entering
The reverse extending line focus of the light of eyes is incident upon, is i.e. is imaged at the ray intersection position outside housing 11 in Fig. 3, i.e. Fig. 3
At " as " position of middle sign, real floating effect can be produced.Compared to the mode for hanging transparent film in the air, it is to avoid
The situation that user can encounter film in touching occurs, meanwhile, compared to pyramidal configuration is used, solving to be imaged on
Pyramidal inside cavity, the problem that user cannot touch.
Used as alternatively possible implementation, the incidence surface of refracted component 13 and the exiting surface of refracted component 13 have folder
Angle, the incidence surface of refracted component 13 is parallel with the exiting surface of display module 12.
So that, there is angle between the exiting surface of display module 12 and the exiting surface of refracted component 13.
For clear explanation implementation, another display device based on virtual image forming is present embodiments provided.Fig. 5
It is the structural representation of another display device based on virtual image forming provided in an embodiment of the present invention, as shown in figure 5, refraction group
The section of part 13 is right angled triangle.
Further, in a kind of possible implementation of the embodiment of the present invention, the incidence surface of refracted component 13 with it is aobvious
Show the exiting surface laminating of component 12.
For clear explanation image-forming principle, the index path of virtual image forming as shown in Figure 5, the incidence surface of refracted component 13 is used
In carrying out first time refraction with negative index, the exiting surface of refracted component 13, for being carried out second with identical negative index
Refraction.
The light that display module 12 is sent, incident in the incidence surface of refracted component 13, in general incidence surface is specially
Towards the one side of display module 12, exiting surface is the one side of the dorsad display module 12 of refracted component 13 to refracted component 13.
After the incidence surface incidence of refracted component 13, first time refraction is carried out with negative index in the incidence point of incidence surface.
Because refracted component 13 has negative index, so that incident ray and reflection light reflect obtained for the first time in the homonymy of normal
Refracted light from the incidence point outgoing of incidence surface to the eye point of exiting surface, carry out second refraction in eye point.Equally,
Because refracted component 13 has negative index, so that the incident ray and reflection light of second refraction are also in the homonymy of normal,
The obtained emergent ray of second refraction is from the exiting surface outgoing of refracted component 13 to the display device based on virtual image forming
Outside housing 11.
By above-mentioned light path, the light that display module 12 is sent, outside the outgoing of refracted component 13 to housing 11.And
And, light path as shown in Figure 5 is visible, and in the light outside outgoing to housing 11, correspondence is by same light in display module 12
The light that source is sent, intersects at outside housing 11, so that eyes are when the angle shown in Fig. 5 is observed, can be along entering
The reverse extending line focus of the light of eyes is incident upon, is i.e. is imaged at the ray intersection position outside housing 11 in Fig. 5, can produced
The real floating effect of life.Compared to the mode for hanging transparent film in the air, it is to avoid user can encounter film in touching
Situation occur, meanwhile, compared to pyramidal configuration is used, solving can only be imaged on pyramidal inside cavity, Yong Huwu
The problem of method touching.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes
It is one or more for realizing custom logic function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list of the executable instruction for realizing logic function, in may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With the electricity that one or more are connected up
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program or other are suitable
Medium, because optical scanner for example can be carried out by paper or other media, then enters edlin, interpretation or if necessary with it
His suitable method is processed electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In implementation method, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.Such as, if being realized, with another embodiment, following skill well known in the art being used with hardware
Any one of art or their combination are realized：With the logic gates for realizing logic function to data-signal from
Scattered logic circuit, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although having been shown above and retouching
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as to limit of the invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (9)
1. a kind of display device based on virtual image forming, it is characterised in that including：Housing, display module and with negative index
Refracted component；
The housing has at least one opening portion, and the refracted component is arranged at the opening portion；
The display module, in the cavity that the housing and the refracted component are enclosed；
The light of the exiting surface institute outgoing of the display module, is incident to the incidence surface of the refracted component, via the refraction
Component is reflected with negative index, and via the exiting surface outgoing of the refracted component, is projected from the opening portion；Wherein, it is described
There is angle between the exiting surface of the exiting surface of display module and the refracted component；
The reverse extending line of the light emitted by the opening portion, into the virtual image in the outside of the housing.
2. the display device based on virtual image forming according to claim 1, it is characterised in that the refracted component enters light
Face is parallel with the exiting surface of the refracted component.
3. the display device based on virtual image forming according to claim 2, it is characterised in that the refracted component enters light
There is gap between the exiting surface of face and the display module；
Air dielectric is filled with the gap.
4. the display device based on virtual image forming according to claim 2, it is characterised in that
Sent by the display boundary point of the display module, incide the light at the extreme angles of the refracted component, in institute
It is showing the outgoing of boundary point institute with described after stating the incidence surface generation refraction for the first time of refracted component, and along the refracted component
The light of normal incidence of incidence surface produce first intersection point, the intersection point to be located at the inside of the refracted component.
5. the display device based on virtual image forming according to claim 1, it is characterised in that the refracted component enters light
Face is parallel with the exiting surface of the display module；
There is angle between the exiting surface of the incidence surface of the refracted component and the refracted component.
6. the display device based on virtual image forming according to claim 5, it is characterised in that the refracted component enters light
Fitted with the exiting surface of the display module in face.
7. the display device based on virtual image forming according to claim any one of 1-6, it is characterised in that the refraction group
Area of the area of the incidence surface of part more than or equal to the exiting surface of the display module.
8. the display device based on virtual image forming according to claim any one of 1-6, it is characterised in that the display group
Institute is 0-90 degree with angle between the exiting surface of the exiting surface of part and the refracted component.
9. the display device based on virtual image forming according to claim any one of 1-6, it is characterised in that the refraction group
Negative refractive index material is filled between the exiting surface of the incidence surface of part and the refracted component.
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| CN107831558A (en) * | 2017-12-09 | 2018-03-23 | 安徽省东超科技有限公司 | Multiple rows of multiple row equivalent negative refractive index flat plate lens |
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| CN109586667B (en) * | 2019-01-07 | 2024-05-17 | 东莞留云榭软件科技有限公司 | Light condensing structure |
| CN111366338A (en) * | 2020-04-24 | 2020-07-03 | 华中科技大学 | Imaging quality detection device and method of virtual image forming optical system |
| CN111366338B (en) * | 2020-04-24 | 2021-11-19 | 华中科技大学 | Imaging quality detection device and method of virtual image forming optical system |
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