CN108710210A - A kind of head-up display - Google Patents
A kind of head-up display Download PDFInfo
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- CN108710210A CN108710210A CN201810910766.1A CN201810910766A CN108710210A CN 108710210 A CN108710210 A CN 108710210A CN 201810910766 A CN201810910766 A CN 201810910766A CN 108710210 A CN108710210 A CN 108710210A
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- Prior art keywords
- eyeglass
- display panel
- transparent display
- head
- face
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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
- G02B27/0101—Head-up displays characterised by optical features
Abstract
The present invention provides a kind of head-up displays, including：The luminous transparent display panel in unilateral side and anti-saturating face；The side that transparent display panel shines is provided with anti-saturating face；The anti-light that face reflective transparent display panel is sent out thoroughly, and transmission available light.The present invention realizes the visible angle for reducing the volume of head-up display and improving head-up display；It does not influence to be imaged display content under the premise of former natural light imaging, to realize that the nearly eye of perspective formula is shown, user can be made not change, the content more easily read on screen is focused to a distant place.
Description
Technical field
The present invention relates to display technology fields, and in particular to a kind of head-up display.
Background technology
Head-up display refers to that the one kind for projecting to main instrument attitude director indicator and major parameter on glass is shown
Show equipment so that can see instrument and its important parameter simultaneously when the what comes into a driver's of head-up front forward.Head-up display is in the fields AR
After being risen with the fields MR, gradually develop to wearable device field, interaction content is also expanded to personal computer or movement and set
Standby information alert.Head-up display starts gradually to have the function of substituting traditional monitor.
The waveguide that existing head-up display technology is broadly divided into reflective, diffraction-type and is developed on the two
Formula.The head-up display of waveguide type becomes the outstanding solution party of portable or wearable display because light path volume is relatively small
Case, but it is limited to light path principle, the short slab that visible angle can not be avoided too small limits the vision effect of product to a certain extent
Fruit.
Invention content
For the defects in the prior art, the present invention provides a kind of head-up display, improves the angle of visibility of head-up display
Degree so that user more easily reads the content on screen.
To achieve the above object, the present invention provides following technical scheme：
The present invention provides a kind of head-up displays, including：The luminous transparent display panel in unilateral side and anti-saturating face；
The side that transparent display panel shines is provided with anti-saturating face；The anti-light that face reflective transparent display panel is sent out thoroughly
Line, and transmission available light.
Wherein, the transparent display panel shows that content is made of multiple display sprites in array arrangement；It is described anti-
Saturating face is made of the anti-face thoroughly of multiple sons in array arrangement；
Wherein, a display sprite is corresponding with the anti-saturating face of a son.
Wherein, the anti-face thoroughly of each described son is in concave, and the recess in the anti-face thoroughly of each described son is directed toward thoroughly
Bright display panel.
Preferably, the anti-face thoroughly is：Half-reflecting half mirror.
Preferably, the anti-face thoroughly includes：First eyeglass and the second eyeglass；
It is connected with the first eyeglass on the side that transparent display panel shines；In the first eyeglass and far from transparent display panel
Side on the second eyeglass is set.
Wherein, the first eyeglass is made of multiple the first sub- eyeglasses in array arrangement, and each first sub- eyeglass is convex surface
Shape, and tang of each first sub- eyeglass far from transparent display panel side is directed toward the direction far from transparent display panel；
Second eyeglass is made of multiple the second sub- eyeglasses in array arrangement, and each second sub- eyeglass is concave,
And recess of each second sub- eyeglass close to the first eyeglass side is directed toward transparent display panel.
Preferably, the anti-face thoroughly is：Electroluminescent reflectivity-variable panel, can be according to the voltage of application in transparent and mirror-like
Switch between state.
Wherein, the electroluminescent reflectivity-variable panel is：LCD panel.
Further, it is linearly polarized photon that the transparent display panel, which has linear polarization feature, the light sent out,；And it is described
It is coated with linear polarization plated film on anti-face thoroughly；
Wherein, the linear polarization direction Yu transparent display panel of linear polarization plated film emit beam when reaching the polarizing coating
Linear polarization direction is mutually perpendicular to.
Further, it is coated with filter layer in the transparent display panel.
A kind of head-up display provided by the invention is had by what the luminous transparent display panel in unilateral side and anti-face thoroughly formed
The light field of micro mirror array is shown, realizes the visible angle for reducing the volume of head-up display and improving head-up display；Not
It influences to be imaged display content under the premise of former natural light imaging, to realize that the nearly eye of perspective formula is shown, and makes user
Do not change and the content more easily read on screen is focused to a distant place.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram that the embodiment of the present invention provides head-up display；
Fig. 2 is the structural schematic diagram of another head-up display provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram that the embodiment of the present invention provides optical circuit path in head-up display.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical solution in the embodiment of the present invention carries out clear, complete description, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of head-up displays, referring to Fig. 1, including：The luminous transparent display panel 2 in unilateral side
With anti-face 1 thoroughly；
In the anti-face 1 that the side that transparent display panel 2 shines is provided with；Anti- 1 reflective transparent display panel 2 of face thoroughly is sent out
Light, and transmission available light.
In the specific implementation, transparent display panel 2 and anti-face 1 thoroughly are fixed together so that transparent display panel 2 emits
Light can be irradiated on anti-face 1 thoroughly.
The display content of transparent display panel 2 is made of multiple display sprites in array arrangement, therefore transparence display
Panel 2 is to show multiple sprites arranged into an array picture is presented；Anti- face 1 thoroughly is anti-saturating by multiple sons in array arrangement
Face is constituted, and the anti-saturating face of each height is in concave, and the recess in the anti-saturating face of each height is directed to transparent display panel 2.
Anti- the array of faces composition includes multiple sons thoroughly：Matrix array, staggered array and cellular array etc..
Wherein, a display sprite is corresponding with the anti-saturating face of a son, then a sprite in transparent display panel 2
It is corresponding with the anti-saturating face of a son on anti-face 1 thoroughly.
Head-up display principle provided in this embodiment is as follows：
The light that pixel is sent out on each display sprite in the luminous transparent display panel 2 in unilateral side to the right, is encountering
On anti-face 1 thoroughly each height anti-saturating face when, pass through unilateral luminous transparent display panel 2 laggard to the left after the anti-saturating face reflection of quilt
Enter in sight.
Picture on each display sprite is imaged on right side by corresponding sub- reflective surface in anti-face 1 thoroughly,
It can easily be watched in left side.Simultaneously natural light by right side by anti-face 1 thoroughly and with after transparent display panel 2 into sight
In, it can be watched simultaneously in 2 left side of transparent display panel, achieve the effect that transmissive display, and realize reduction head-up display
The volume of device and the visible angle for improving head-up display；Display content is carried out under the premise of not influencing former natural light imaging
Imaging, to realize that the nearly eye of perspective formula is shown, and the focusing for making user not change to a distant place is more easily read on screen
Content.
It should be noted that anti-face thoroughly may be selected to be：Spherical surface, the paraboloid of revolution or the free-form curved mirror optimized, and root
According to optimization, for up to the optimal imaging effect for specific observation angle, each concave in array may and differ.
In the present embodiment, anti-face thoroughly includes but not limited to following several realization methods, wherein anti-face thoroughly can be had
The plated film of half-reflection and half-transmission property or dielectric layer with half-reflection and half-transmission property, can also be has half by what different medium was formed
The medium of anti-semi-transparent property has a common boundary, or sieves the linear polarizer of the special angle of both sides light.
The present embodiment provides a kind of realization methods in above-mentioned anti-face thoroughly, and anti-face thoroughly is half-reflecting half mirror.The half-reflecting half mirror
It is to be had a common boundary by the medium with half-reflection and half-transmission property that different medium is formed.
The present embodiment provides another realization method in above-mentioned anti-face thoroughly, anti-face thoroughly is that refractive index is identical and close face shape
Mutually the first identical eyeglass 4 and the second eyeglass 3 is constituted, the first eyeglass 4, the second eyeglass 3 and the first eyeglass 4 and the second eyeglass
The boundary of the medium with half-reflection and half-transmission property is collectively formed in interlayer 5 between 3.
Wherein, 4, the first mirror is made of multiple the first sub- eyeglasses in array arrangement, and each first sub- eyeglass is convex surface
Shape, and tang of each first sub- eyeglass far from 2 side of transparent display panel is directed toward the direction far from transparent display panel 2；
Second eyeglass 3 is made of multiple the second sub- eyeglasses in array arrangement, and each second sub- eyeglass is concave,
And recess of each second sub- eyeglass close to 2 side of transparent display panel is directed toward transparent display panel 2.
Referring to Fig. 2, the first eyeglass 4 is connected on the side that transparent display panel 2 shines；In the first eyeglass 4 and separate
Second eyeglass 3 is set on the side of transparent display panel 2.First eyeglass 4, the second eyeglass 3 and the first eyeglass 4 and the second eyeglass
Interlayer 5 between 3 together constitutes anti-saturating face.Referring to Fig. 3, the light that transparent display panel 2 is sent out is pressed from both sides after the first eyeglass 4
Transparent display panel 2 is passed through after 5 reflection of layer；Available light passes through after the second eyeglass 3, interlayer 5 and the first eyeglass 4 saturating successively
Bright display panel 2.
First eyeglass 4 and the second eyeglass 3 play the role of carrying transparent display panel 2, and compensate refraction.
Further, piece and half anti-half can be realized the first eyeglass 4 and the second eyeglass 3 are glued after plated film at contact surface
Thoroughly, can also directly leave a blank at the contact surface of the first eyeglass 4 and the second eyeglass 3 gas or other gaseous mediums realization half anti-half
Thoroughly.
It should be noted that the first eyeglass 4 and second one end of eyeglass 3 far from interlayer 5 can be fabricated to flat shape,
It can also be fabricated to the identical spherical surface of curvature, while unilateral luminescence transparent display panel can be the song of the first eyeglass 4 of fitting
Face shape does not carry out the concrete shape of the first eyeglass 4, the second eyeglass 3 and unilateral luminescence transparent display panel in the present embodiment
It limits；
When the first eyeglass 4 and 3, the second mirror are fabricated to the identical spherical surface of curvature, the ball of the spherical surface of the first eyeglass 4
The centre of sphere of the spherical surface of the heart and the second eyeglass 3 is respectively positioned on side of the optical center of lens close to transparent display panel.Light can be eliminated in this way
The aberration that dispersion when the side adjacent with transparent display panel from the first eyeglass 4 is emitted generates, while head-up display can be made
The glasses that device is accustomed to closer to people, more beautiful nature.
And can by the first eyeglass 4 and the second eyeglass 3 using high-dispersive optical material while, by the first eyeglass 4 with
The adjacent side of transparent display panel be changed to the centre of sphere the spherical surface of the observer other side or with the Fresnel minute surface of spherical equivalent, then
In the low dispersive power optical material that its side gluing adjacent with transparent display panel matches with high-dispersive optical material, make to put down
Left side depending on display ensures with right side curvature not to natural light dioptric.Optics can be reached under the premise of ensureing that equipment is frivolous
Achromatic purpose is transmitted by sphere generation, therefore chromatic dispersion problem is greatly decreased when colour is shown in this way, several after improvement
No longer there is aberration caused by dispersion, realize elimination aberration physically, therefore aberration need not be eliminated in display algorithm, it can
It directly calls repeatedly and has rendered sprite pixel data, greatly simplify rendering flow, accelerate rendering speed.
The present embodiment provides another realization method in above-mentioned anti-face thoroughly, anti-face thoroughly is：Electroluminescent reflectivity-variable panel, it is electroluminescent
Reflectivity-variable panel is equipped with the electrode being electrically connected with external controllable electric power.Apply voltage on the electrode, then electroluminescent reflectivity-variable
Panel can be converted according to the voltage of application between pellucidity and mirror status.
Preferably, electroluminescent reflectivity-variable panel is：LCD (liquid crystal display) panel.The electricity of LCD panel
Pole is electrically connected with external controllable electric power.
When transparent display panel lights, so that LCD panel is mirror status using external controllable electric power, work as transparence display
When panel does not shine, make LCD panel pellucidity using external controllable electric power.In the same of LCD panel and transparent display panel
When step flicker rate is sufficiently high, human eye is difficult to discover, and the light that transparent display panel is sent out can be blocked by LCD panel, and then be made
Can not observe that light that transparent display panel is sent out also ensures that on the outside of LCD panel and show content not in transparent display panel
It can be observed by the sight other than user, while prevent the second eyeglass 3 from being generated far from transparent display panel end and outside air
Dielectric interface reflective transparent display panel light influence the imaging effect in anti-face thoroughly.
It should be noted that LCD panel can be enabled to keep mirror status for a long time, the display of the head-up display at this time is imitated
It is aobvious that fruit is similar to immersion VR, and can under the premise of not changing product structure merely with external controllable electric power easily two
Switch under kind display pattern.
Wherein, by external controllable electric power control LCD panel whether the principle of light transmission, referring specifically to LCD displaying principles.This
To LCD panel, whether light transmission is described briefly embodiment, is described as follows：
LCD panel includes：Polarizer outside two liquid crystal and electrode plate between electrode plate, electrode plate；Two pieces partially
The fence angle of tabula rasa is mutually perpendicular to.
Liquid crystal molecule between two electrode plates can change arrangement form according to the voltage being added between two electrode plates, and then change
Optically-active characteristic so that linear polarization angle of the linearly polarized photon filtered out by first polarizer after liquid crystal optically-active is therewith
Change, and screened again by second polaroid, makes entire panel that different light transmittances be presented, and then controllably existed according to voltage
It is transparent be all-trans between switch.
Based on above-described embodiment, when choosing the unilateral transparent display panel to shine, the transparent display panel of selection has
Linear polarization feature emits beam as linearly polarized photon；And it is coated with linear polarization plated film on the anti-face thoroughly；Linear polarization plates
The linear polarization direction that the linear polarization direction of film emits beam with transparent display panel when reaching the polarizing coating is mutually perpendicular to.
Linear polarization direction when the linear polarization light that transparent display panel is sent out in this way reaches the polarizing coating with
The linear polarization direction of linear polarization plated film is mutually perpendicular to, and can not pass through linear polarization plated film, so that being plated in linear polarization
Film outside can not observe that the light that transparent display panel is sent out also ensures that and show that content will not be used in transparent display panel
Sight other than person observes, while the medium for preventing the second eyeglass 3 from being generated far from transparent display panel end and outside air is handed over
Interface reflective transparent display panel light influences the imaging effect in anti-face thoroughly.
Based on above-described embodiment, filter layer is coated in the transparent display panel.
Filter layer for transparent display panel light color is set, plating filter layer is carried out in transparent display panel, is coordinated
Anti- face thoroughly is directed to the anti-layer of increasing with color, makes to increase to the higher film plating layer of display color reflectivity in transparent display panel, carry
The reflectivity of high transparency display panel, such as：When fighter plane HUD (Head Up Display) uses green light source, in order to improve
It is in purple that the reflectivity of green light source, plated film, which so that screen glass seems,.
It should be noted that head-up display provided in this embodiment is different according to the occasion of reference, different size is needed
The head-up display of model, head-up display provided in this embodiment can be made as colorless spectacles, be also applied for large stereo
Imaging device can be used for making large-scale stage imaging modalities or glass outer wall advertising display devices, can use barrier formula hollow out interval
LCD or LED display panel approximation single side light transmission effect, technical threshold and cost can be reduced to a certain extent.
As can be seen from the above description, head-up display provided in an embodiment of the present invention, it is simple in structure, do not need diffraction grating etc.
High-accuracy element does not need multi-layer grating superposition coupling and does not need the multiple technique of multilayer waveguide fitting, in embodiment only
One is needed to arrive gluing twice, it might even be possible to fill up anti-gap between face and second eyeglass thoroughly using glued mode, save at this time
The complicated technology for making second eyeglass agreed with first lens shape can substantially reduce production difficulty and be produced into
This, thus it is of low cost after forming production line, and especially cost can further decrease after 3D printing optical element is ripe.This implementation
Example offer head-up display does not need additional collimated light path, therefore can be to avoid bulky ray machine when producing wearable product
And peripheral element, it is more lightly, and plus the moulding that curve lens can be made, more beautiful.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
In the specification of the present invention, numerous specific details are set forth.Although it is understood that the embodiment of the present invention can
To put into practice without these specific details.In some instances, well known method, structure and skill is not been shown in detail
Art, so as not to obscure the understanding of this description.Similarly, it should be understood that disclose in order to simplify the present invention and helps to understand respectively
One or more of a inventive aspect, in the above description of the exemplary embodiment of the present invention, each spy of the invention
Sign is grouped together into sometimes in single embodiment, figure or descriptions thereof.However, should not be by the method solution of the disclosure
It releases and is intended in reflection is following：The feature that i.e. the claimed invention requirement ratio is expressly recited in each claim is more
More features.More precisely, as the following claims reflect, inventive aspect is to be less than single reality disclosed above
Apply all features of example.Therefore, it then follows thus claims of specific implementation mode are expressly incorporated in the specific implementation mode,
Wherein each claim itself is as a separate embodiment of the present invention.It should be noted that in the absence of conflict, this
The feature in embodiment and embodiment in application can be combined with each other.The invention is not limited in any single aspect,
It is not limited to any single embodiment, is also not limited to the arbitrary combination and/or displacement of these aspects and/or embodiment.And
And can be used alone of the invention each aspect and/or embodiment or with other one or more aspects and/or its implement
Example is used in combination.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. a kind of head-up display, which is characterized in that including：The luminous transparent display panel in unilateral side and anti-saturating face；
The side that transparent display panel shines is provided with anti-saturating face；The anti-light that face reflective transparent display panel is sent out thoroughly, with
And transmission available light.
2. head-up display according to claim 1, which is characterized in that the transparent display panel shows content by multiple
It is constituted in the display sprite of array arrangement；The anti-face thoroughly is made of the anti-face thoroughly of multiple sons in array arrangement；
Wherein, a display sprite is corresponding with the anti-saturating face of a son.
3. head-up display according to claim 2, which is characterized in that the anti-face thoroughly of each described son is in concave shape
Shape, and the recess in the anti-face thoroughly of each described son is directed toward transparent display panel.
4. according to the head-up display described in claim 1-3 any one, which is characterized in that the anti-face thoroughly is：Half anti-half
Lens.
5. according to the head-up display described in claim 1-3 any one, which is characterized in that the anti-face thoroughly includes：First
Eyeglass and the second eyeglass；
It is connected with the first eyeglass on the side that transparent display panel shines；The first eyeglass and far from transparent display panel one
Second eyeglass is set on side.
6. head-up display according to claim 5, which is characterized in that the first eyeglass is by multiple first arranged in array
Sub- eyeglass is constituted, and each first sub- eyeglass is convex shape, and each first sub- eyeglass is far from the convex of transparent display panel side
Mouth is directed toward the direction far from transparent display panel；
Second eyeglass is made of multiple the second sub- eyeglasses in array arrangement, and each second sub- eyeglass is concave, and every
Recess of a second sub- eyeglass close to the first eyeglass side is directed toward transparent display panel.
7. according to the head-up display described in claim 1-3 any one, which is characterized in that the anti-face thoroughly is：Electroluminescent change
Reflectivity panel switches transparent between mirror status according to the voltage of application.
8. head-up display according to claim 7, which is characterized in that the electroluminescent reflectivity-variable panel is：The faces LCD
Plate.
9. head-up display according to claim 1, which is characterized in that the transparent display panel has linear polarization special
Sign, the light sent out are linearly polarized photon；And it is coated with linear polarization plated film on the anti-face thoroughly；
Wherein, the linear polarization direction with transparent display panel of linear polarization plated film emit beam linear when reaching the polarizing coating
Polarization direction is mutually perpendicular to.
10. head-up display according to claim 1, which is characterized in that be coated with optical filtering in the transparent display panel
Layer.
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| CN201810910766.1A CN108710210A (en) | 2018-08-10 | 2018-08-10 | A kind of head-up display |
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| CN201810910766.1A CN108710210A (en) | 2018-08-10 | 2018-08-10 | A kind of head-up display |
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Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI755232B (en) * | 2020-12-24 | 2022-02-11 | 大陸商業成科技（成都）有限公司 | Composite optical device and manufacturing method thereof |
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| CN106842571A (en) * | 2017-01-18 | 2017-06-13 | 上海乐蜗信息科技有限公司 | The optical system of augmented reality equipment |
| CN107065181A (en) * | 2017-01-18 | 2017-08-18 | 上海乐蜗信息科技有限公司 | The optical system of virtual reality device |
| CN107490862A (en) * | 2017-03-23 | 2017-12-19 | 华为机器有限公司 | Near-to-eye and near-eye display system |
| CN107102440A (en) * | 2017-05-09 | 2017-08-29 | 西安可视可觉网络科技有限公司 | Wear-type/safety cover type locker/hand-held display methods and display device |
| CN208588862U (en) * | 2018-08-10 | 2019-03-08 | 董一鸣 | A kind of head-up display |
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| TWI755232B (en) * | 2020-12-24 | 2022-02-11 | 大陸商業成科技（成都）有限公司 | Composite optical device and manufacturing method thereof |
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