CN110161712A - Display system and head-wearing display device - Google Patents
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- CN110161712A CN110161712A CN201910458714.XA CN201910458714A CN110161712A CN 110161712 A CN110161712 A CN 110161712A CN 201910458714 A CN201910458714 A CN 201910458714A CN 110161712 A CN110161712 A CN 110161712A
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0176—Head mounted characterised by mechanical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- 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
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
-
- 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
- G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
- G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The application provides a kind of display system, including display component and image-forming assembly, display component includes display screen and microlens array, display screen includes multiple pixels, microlens array includes lenticule corresponding with the pixel in display screen, lenticule is used to adjust the light that corresponding pixel projects, and image-forming assembly includes multiple Fresnel lenses, and multiple Fresnel lenses are used for the light focusing for projecting microlens array.The application also provides a kind of head-wearing display device, the head-wearing display device includes above-mentioned display system and the shell for being mounted with the display system, the track for display component or the opposite sliding of image-forming assembly is provided on shell, display component or image-forming assembly slide in orbit, to adjust the spacing between display component and image-forming assembly.
Description
Technical field
Wearing this application involves field of display technology more particularly to a kind of display system and comprising the display system is aobvious
Showing device.
Background technique
Virtual reality technology, which refers to, virtualizes reality scene and generates virtual image, then by merging combined figure
As being presented to viewer by display device.Traditional virtual reality displaying scheme is directed to display screen using left and right lens respectively
The left-eye image and eye image of display, and the focal length of lens is made to be greater than display screen to the distance of lens, play the effect of magnifying glass
Fruit, therefore eyes can be seen the upright virtual image of each amplification and be merged in the brain, generate stereoscopic vision.
However, the poor display effect of traditional display technology, easily causes viewer's visual discomfort, and use saturating
Mirror is more thick and heavy, so that corresponding head-wearing display device weight is laid particular stress on, and volume is bigger than normal.
Summary of the invention
The embodiment of the application provides a kind of display system, including display component and image-forming assembly, the display component
Including display screen and microlens array, the display screen includes multiple pixels, and the microlens array includes and the display screen
In the corresponding lenticule of pixel, the lenticule is used to adjust the light that corresponding pixel projects, and the image-forming assembly includes
Multiple Fresnel lenses, the multiple Fresnel lenses are used for the light focusing for projecting the microlens array.
Another embodiment of the application also provides a kind of head-wearing display device, including display system and is mounted with described aobvious
Show the shell of system, it is characterised in that: the display system includes display component and image-forming assembly, and the display component includes tool
There are the display screen of multiple pixels and the microlens array with lenticule corresponding with the pixel in the display screen, the shell
The track for the display component or the opposite sliding of the image-forming assembly, the display component or the imaging group are provided on body
Part is in the gliding in tracks, to adjust the spacing between the display component and the image-forming assembly.
The display system of the application is collimated using the light that each pixel of the microlens array to display screen projects,
Area source is become into point light source, then is focused by the light of image-forming assembly collimation and aberration correction, so that user's energy
Enough see the image that display screen is shown；Display system in the head-wearing display device of the application uses the product overall length of above-mentioned design
It can be much smaller than existing virtual implementing helmet product, and overall weight is much lighter than existing virtual reality in 10mm or so
Helmet product is more favorable for user's wearing.In addition, the display system of the application can be by adjusting display component and image-forming assembly
Spacing, be suitable for different types of user, application group is wider.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the application, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram for the display system that one embodiment of the application provides；
Fig. 2 a is the display screen matrix of one embodiment of the application and the corresponding relationship of lenticule；
Fig. 2 b is the display screen matrix of another embodiment of the application and the corresponding relationship of lenticule；
Fig. 3 is the display screen of one embodiment of the application and the schematic diagram that microlens array combines；
Fig. 4 is the schematic diagram of the partial pixel of the display screen of the application；
Fig. 5 a is the stereoscopic schematic diagram of the partial microlenses of the microlens array in one embodiment of the application；
Fig. 5 b is the side schematic view of microlens array shown in Fig. 5 a；
Fig. 5 c is cross-sectional view of the microlens array shown in Fig. 5 a along V-V line；
Fig. 6 a is the stereoscopic schematic diagram of the partial microlenses of the microlens array in another embodiment of the application；
Fig. 6 b is the top view of microlens array shown in Fig. 6 a；
Fig. 6 c is the side view of the lenticule of microlens array shown in Fig. 6 a；
Fig. 7 a is the top view of the partial microlenses of the microlens array in another embodiment of the application；
Fig. 7 b is the side view of lenticule shown in Fig. 7 a；
Fig. 8 is the top view of the partial microlenses of the microlens array in another embodiment of the application；
Fig. 9 is the schematic diagram of the image-forming assembly in one embodiment of the application；
Figure 10 is the schematic diagram of the display system in one embodiment of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
Referring to Fig. 1, Fig. 1 shows the display system 100 in one embodiment of the application, including display screen 10, lenticule
Array 20 and image-forming assembly 30.Display screen 10 has multiple pixels 11, and microlens array 20 has corresponding with multiple pixels 11
Lenticule 21, after the light that each pixel projects is adjusted collimation, then imaged component 30 after corresponding lenticule 21
It is focused into picture, so that the glasses 40 of user can understand and short-range display content for watching display screen 10.Wherein, it shows
Pixel 11 in display screen 10 is located in the focus of corresponding lenticule 21.
In virtual reality and augmented reality field, by generating the left-eye image of corresponding user's left eye over the display,
And the eye image of corresponding user's right eye, to bring 3D vision display effect to user.Display dress is worn with virtual reality
It is set to example, can be arranged in head-wearing display device there are two display system 100, the images of left and right eyes of user be respectively corresponded, wherein one
A display system is for showing left eye picture, another display system is for showing right eye picture.In some embodiments, may be used
The display screen 10 that can generate left eye picture and right eye picture to be arranged in head-wearing display device, and it is arranged and respectively corresponds
Two microlens arrays 20 of left eye picture area and right eye picture area, and two of corresponding two microlens arrays 20 at
As component 30.
In some embodiments, show can be by central processing unit, image processor to figure for the content of display screen 10
As data are handled, is shown with being shone by multiple pixels 11 of display screen 10, each pixel 11 can issue it is red,
The light of green and blue.
In the present embodiment, on microlens array 20 quantity of lenticule 21 and pixel 11 on display screen 10 quantity phase
Together, that is to say, that the corresponding lenticule 21 of each pixel 11, the light that each pixel 11 projects is by a lenticule 21
It is projected after carrying out optical alignment.In some embodiments, on microlens array 20 in the quantity of lenticule 21 and display screen 10
The quantity of pixel 11 can not be identical；For example, as shown in Figure 2 a, the corresponding lenticule 21 of three pixels 11, that is to say, that one
The light that a lenticule 21 projects three pixels 11 carries out collimation processing；In another example as shown in Figure 2 b, a pixel 11 is corresponding
Three lenticules 21, that is to say, that the light that three lenticules 21 simultaneously project a pixel 11 carries out collimation processing.It can be with
Understand, the quantity corresponding relationship between pixel and lenticule may be set according to actual conditions, and be not restricted to above-mentioned retouch
The corresponding relationship stated.
In some embodiments, the pixel of display screen 10 and the lenticule of microlens array 20 need to correspond,
Therefore it is required that display screen 10 and the position of microlens array 20 are relatively fixed, display screen 10 is formd with microlens array 20
One display component.Referring to Fig. 3, being so that lenticule 21 is mapped with opposite pixel 11, in display screen 10 and micro-
It is provided with optical glue 50 between lens array 20, by optical glue 50 to fix display screen 10 and microlens array 20, makes
Pixel is obtained to be mapped with corresponding lenticule.
In some embodiments, it is additionally provided with protection glass 60 far from the side of display screen 10 in microlens array 20,
Protection glass 60 is covered on the microlens array 20, to protect microlens array 20, wherein protection glass 60 does not have
Optical effect.Display screen 10, optical glue 50, microlens array 20 and protection glass 60 form display component.
Application scheme for ease of description, by taking 9 pixels adjacent in display screen 10 in Fig. 4 as an example, all pixels 11
Area size is all the same, and each pixel is rectangular；It is micro- according to a pixel corresponding one in the embodiment of the application
The corresponding relationship of mirror is designed for microlens array 20.
Please refer to Fig. 5 a-5c, microlens array 20a has and one-to-one 9 lenticules of display screen matrix
A pixel region, and the area size and a pixel region of lenticule 21a covering is completely covered in 21a, each lenticule 21a
Size it is identical；The side of lenticule 21a is plane 22a, and opposite side is aspherical 23a.There are four angles for aspherical 23a tool
Point forms an arc-shaped side between adjacent angle point, which outwardly protrudes, so that the center of aspherical 23a is to plane 22a
Distance it is farthest.For being parallel to the section visual angle of V-V line in Fig. 5 a, in each section of aspherical 23a, far from plane
The side of 22a is arc, wherein the distance positioned at arc-shaped side 231a to the plane 22a of aspherical 23 edge is most short, position
Arc-shaped side 232a at center is to plane 22a apart from longest.
Please refer to Fig. 6 a-6b, microlens array 20b has and one-to-one 9 lenticules of display screen matrix
21b, lenticule 21b is substantially spherical in shape, and each lenticule 21b covers the border circular areas in a square pixels region.Some
In embodiment, all lenticule 21b of microlens array 20b are fixed together by a base 22b, and lenticule 21b can
Being formed by being processed on base 22b, it is also possible to by being adhesively fixed together with base.Base 22b has and shows
The one-to-one square department 221b of display screen pixel, the border circular areas and square department 221b inscribe of corresponding lenticule 21b covering；?
When assembling, as long as the square department 221b of base 22b and corresponding display screen matrix is corresponding.
C referring to Figure 6 together, lenticule 21b may include bottom 211b and spherical portion 212b, and wherein bottom 211b is in circle
Shape, bottom 211b and the bottom surface of spherical portion 212b are completely coincident, and lenticule 21b is fixed by bottom 211b and base 22b.One
In a little embodiments, lenticule 21b can only include spherical portion 212b, and spherical portion 212b is directly fixed with base 22b.
In some embodiments, microlens array 20b can not include base 22b, can pass through bottom between adjacent lenticule 21b
Portion 211b is fixed with each other.
Please refer to Fig. 7 a-7b, microlens array 20c have with the one-to-one 9 lenticule 21c of display screen matrix, often
One lenticule 21c covers the hexagonal area in a square pixels region.In some embodiments, microlens array 20c
All lenticule 21c be fixed together by a base 22c, lenticule 21c can be by processing shape on base 22c
At being also possible to by being adhesively fixed together with base.Base 22c have with the one-to-one square department of display screen matrix,
The hexagonal area and square department inscribe of corresponding lenticule 21b covering；Assembling when, as long as by the square department of base 22c with
Corresponding display screen matrix is corresponding.Lenticule 21c has the six side 211cs vertical with display screen 10, six sides
211c is adjacent two-by-two, and to form the bottom surface of a hexagon, each side 211c is the arc of evagination far from 10 side of display screen
Shape side；Lenticule 21 further includes a top surface 212c, and top surface 212c is spherical surface, is connected with the arc-shaped side of six side 211c,
Top surface 212c and six side 211c mutually surrounds formation one substantially in hexahedral lenticule 21c.
It should be noted that the shape of lenticule being covered in pixel region be not limited to it is described above it is rectangular,
The shape of circle, hexagon etc., overlay area can be set according to the actual situation.
In some embodiments, the pixel of the lenticule of microlens array and display screen corresponds, and adjacent is micro-
Light shielding part is provided between mirror, to avoid occurring the situation of optical crosstalk between adjacent lenticule.
Referring to Fig. 8, microlens array 20d has 9 successively adjacent lenticule 21d, each lenticule 21d and Fig. 7 b
In lenticule 21c shape it is identical, wherein per between two adjacent lenticule 21d by one of side close to, with
Make microlens array 20d in honeycomb.In some embodiments, two adjacent lenticule 21d can be an entirety, and two
A lenticule 21d shares a side；In other embodiments, two adjacent lenticule 21d can be individual individual,
Wherein lenticule 21d adjacent side is completely corresponding, and is fixed together by way of bonding.In this embodiment, due to
The arrangement relationship of microlens array 20d, as microlens array 20d and relatively fixed display screen 10, due to the ruler of lenticule 21d
Very little very little, even if the case where not being mapped completely there are partial microlenses 21d with the pixel of display sheet 10, using this bee
The visual effect of the lenticule 20d of nest shape is still preferable.
Image-forming assembly 30 is used to be focused the parallel rays that display component projects and aberration correction, so that display screen
Intraocular imaging of 10 images generated in user.In some embodiments, image-forming assembly 30 can use multi-disc Fresnel mirror
The Fresnel microscope group that piece is formed.Referring to Fig. 9, in a specific embodiment, image-forming assembly 30 includes two luxuriant and rich with fragrance alunite mirrors
Piece 31, two Fresnel lenses 31 are disposed proximate to, wherein the curved surface of a Fresnel lenses is close to another Fresnel lenses
Plane.
Referring to Fig. 10, in some embodiments, the distance between display component and image-forming assembly 30 d be it is adjustable,
By adjusting display component at a distance from image-forming assembly 30, enable the image-forming range of display system 100 according to different user
Eyes be adjusted, be suitble to multi-user use, have stable optical effect.
It should be noted that adjusting the mode of the distance between display component and image-forming assembly can be by adjusting manually
Section, is also possible to automatically adjust.
The application also provides a kind of head-wearing display device, which has display system 100 and be mounted with
The shell of display system 100.
In some embodiments, be provided on shell can for display component with respect to image-forming assembly sliding track,
And it is provided with the guide part for connecting and being slided in orbit with display component, it, can be with by the sliding of guide part in orbit
Display component is adjusted with respect to the distance that image-forming assembly slides.
In other embodiments, the track for image-forming assembly with respect to display component sliding can be set on shell, and
It is provided with the guide part for connecting and being slided in orbit with image-forming assembly, by the sliding of guide part in orbit, can be adjusted
Image-forming assembly is saved with respect to the distance that display component slides.
In some embodiments, head-wearing display device further includes the motor being installed on shell, and motor can be with display
Component or image-forming assembly connection, the distance between display component and image-forming assembly can be adjusted by motor.Wherein, display group
The relating to parameters of the distance between part and image-forming assembly value and the eyes of user for wearing the head-wearing display device, the ginseng of associated eye
Number can also be provided with detection device on head-wearing display device by wearing user's self-setting to obtain and wear user's
The parameter of eyes.
The display system of the application is collimated using the light that each pixel of the microlens array to display screen projects,
Area source is become into point light source, then is focused by the light of image-forming assembly collimation and aberration correction, so that user's energy
Enough see the image that display screen is shown；The display system of the application using above-mentioned design product overall length can in 10mm or so,
Much smaller than existing virtual implementing helmet product, and overall weight is much lighter than existing virtual implementing helmet product, more sharp
It is worn in user.In addition, the display system of the application can be suitable for not by the spacing of adjusting display component and image-forming assembly
The user of same type, application group are wider.
Above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although with reference to the foregoing embodiments
The application is described in detail, those skilled in the art are when understanding: it still can be to foregoing embodiments
Documented technical solution is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the essence of corresponding technical solution is not driven to be detached from the spirit and scope of each embodiment technical solution of the application.
Claims (10)
1. a kind of display system, including display component and image-forming assembly, it is characterised in that；The display component include display screen and
Microlens array, the display screen include multiple pixels, and the microlens array includes corresponding with the pixel in the display screen
Lenticule, the lenticule is used to adjust the light that corresponding pixel projects, and the image-forming assembly includes multiple Fresnel mirrors
Piece, the multiple Fresnel lenses are used for the light focusing for projecting the microlens array.
2. display system as described in claim 1, it is characterised in that: between the display component and the microlens array
Spacing is adjustable.
3. display system as described in claim 1, it is characterised in that: every three pixels on the display screen and described micro-
A lenticule in lens array is corresponding；Or
Each pixel on the display screen is corresponding with multiple lenticules in the microlens array.
4. display system as described in claim 1, it is characterised in that: the display component further includes optical glue and protection glass
Glass, the optical glue are fixed between the display screen and microlens array, by the display screen with microlens array；
The protection glass is located at side of the microlens array far from the display screen, and on covering and the microlens array.
5. display system as described in claim 1, it is characterised in that: the lenticule is completely covered on the display screen corresponding
Pixel region, the side of the lenticule is plane, the other side be it is aspherical, there are four angle points for the aspherical tool, adjacent
Angle point between form an arc-shaped side, which outwardly protrudes so that aspherical center to the plane distance most
Far.
6. display system as described in claim 1, it is characterised in that: the lenticule covers the circle in corresponding pixel region
Shape region, and the border circular areas of the covering and corresponding pixel region inscribe, the lenticule include bottom and spherical portion, described
Bottom is circle, and the bottom and the bottom surface of the spherical portion are completely coincident.
7. display system as described in claim 1, it is characterised in that: the lenticule covers six in corresponding pixel region
Side shape region, and the hexagonal area of the covering is the inscribed hexagon region of corresponding pixel region, the lenticule has
Six sides vertical with the display screen, six sides are immediately adjacent to each other to surround the hexagonal area, each side
Face is the arc-shaped side of evagination far from the display screen side, and the lenticule further includes the top surface for spherical surface, the top surface and six
The arc-shaped side of a side connects.
8. a kind of head-wearing display device, including display system and the shell for being mounted with the display system, it is characterised in that: described
Display system includes display component and image-forming assembly, the display component include have the display screen of multiple pixels and have with
The microlens array of the corresponding lenticule of pixel in the display screen is provided on the shell for the display component or institute
The track of the opposite sliding of image-forming assembly is stated, the display component or the image-forming assembly are in the gliding in tracks, to adjust
State the spacing between display component and the image-forming assembly.
9. head-wearing display device as claimed in claim 8, it is characterised in that: be provided on the shell and the display component
Or image-forming assembly connection and can in the guide part of the gliding in tracks, by the sliding of the guide part in orbit,
To adjust the spacing between the display component and the image-forming assembly.
10. head-wearing display device as claimed in claim 8, it is characterised in that: the head-wearing display device includes being installed in institute
The motor on shell is stated, the motor is connect with the display component or the image-forming assembly, and the motor can be adjusted when working
Save the spacing between the display component and the image-forming assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910458714.XA CN110161712A (en) | 2019-05-29 | 2019-05-29 | Display system and head-wearing display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910458714.XA CN110161712A (en) | 2019-05-29 | 2019-05-29 | Display system and head-wearing display device |
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| CN110161712A true CN110161712A (en) | 2019-08-23 |
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| CN201910458714.XA Pending CN110161712A (en) | 2019-05-29 | 2019-05-29 | Display system and head-wearing display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077850A1 (en) * | 2019-10-21 | 2021-04-29 | 华为技术有限公司 | Display panel, near-eye display optical system, and head-mounted display device |
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