CN110208902A - A kind of flat-plate lens for imaging - Google Patents
A kind of flat-plate lens for imaging Download PDFInfo
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- CN110208902A CN110208902A CN201910422119.0A CN201910422119A CN110208902A CN 110208902 A CN110208902 A CN 110208902A CN 201910422119 A CN201910422119 A CN 201910422119A CN 110208902 A CN110208902 A CN 110208902A
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- 238000003384 imaging method Methods 0.000 title claims abstract description 43
- 230000003287 optical effect Effects 0.000 claims abstract description 195
- 239000011521 glass Substances 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 239000004411 aluminium Substances 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- 239000000839 emulsion Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 17
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
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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
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
Abstract
The present invention discloses a kind of flat-plate lens for imaging, purpose is to solve the problems, such as that existing flat-plate lens occur that virtual image light beam is Chong Die with imaging beam to cause user experience to reduce, it include the first glass window, the second glass window, first single-row multiple rows of optical waveguide array and with second single-row multiple rows of optical waveguide array, wherein, the wave guide direction that first single-row multiple rows of optical waveguide array and second single-row multiple rows of optical waveguide array are made of several optical waveguides respectively and first single-row multiple rows of optical waveguide array and second single-row multiple rows of optical waveguide array correspond to each other part is mutually perpendicular to；Each optical waveguide is provided at least one cake resistancet in the light pass surface of object space light source side.The present invention filters out odd times return ghost light by the way that cake resistancet is arranged in optical waveguide, and then avoids virtual image light beam and imaging beam overlapping, improves the viewing experience of user to a certain extent.
Description
Technical field
The present invention relates to optical fields, specifically, the present invention relates to a kind of flat-plate lens for imaging.
Background technique
With the development of imaging display techniques, the characteristic requirements of imaging are continuously improved, on the one hand require have higher solution
Picture, while guaranteeing observation image sharpness, it is also necessary to meet small distortion requirement.
Application No. is the Chinese utility model patents of 201721714921.X to disclose a kind of single-row multiple rows of equivalent negative index
Flat-plate lens comprising quadrature arrangement between the optical waveguide of two groups of optical waveguide arrays and optical waveguide array reciprocal correspondence part, this
Invention is further improved on the basis of the utility model patent.
Summary of the invention
In order to solve existing flat-plate lens occur virtual image light beam it is Chong Die with imaging beam cause user experience reduce ask
Topic, the present invention provide a kind of virtual image light beam and a kind of nonoverlapping flat-plate lens for imaging of imaging beam.
To achieve the above object, a kind of flat-plate lens for imaging of the present invention comprising the first glass window, second
Glass window, first single-row multiple rows of optical waveguide array and adapted to the described first single-row multiple rows of optical waveguide array and reflect
The identical second single-row multiple rows of optical waveguide array of rate, wherein first glass window, the second glass window be oppositely arranged and
All have two optical surfaces；It is first single-row multiple rows of optical waveguide array and first glass window, described second single-row more
It is engaged between row's optical waveguide array and second glass window by the second stick；First single-row multiple rows of optical waveguide battle array
Column and described second single-row multiple rows of optical waveguide array are respectively the several of rectangle by diagonally disposed single-row multiple rows of and cross section
A optical waveguide composition and first single-row multiple rows of optical waveguide array and second single-row multiple rows of optical waveguide array correspond to each other
Partial wave guide direction is mutually perpendicular to；There are two interfaces between the optical waveguide and optical waveguide adjacent thereto, each to join
It is engaged between face by the first stick；Each optical waveguide is provided at least one cake resistancet in the light pass surface of object space light source side,
The equal length of the length of the cake resistancet and corresponding optical waveguide, the width H of the cake resistancet02Meet following condition:
In formula, H01For the cross-sectional length of lightguide cross section；θ0It is saturating for the plate described in object space light source incidence for imaging
Incidence angle when mirror, n are the folding of described first single-row multiple rows of optical waveguide array or second single-row multiple rows of optical waveguide array
Penetrate rate and n > 1.4；Δ θ is preset anti-ghost angular width.
Preferably, the cake resistancet includes an aluminium mirror coating cake resistancet, and the aluminium mirror coating cake resistancet is arranged in light wave
Close to the lower outside of the light pass surface of object space light source side, length and the optical waveguide of the aluminium mirror coating cake resistancet in leading
The width of equal length, the aluminium mirror coating cake resistancet is calculated by formula (1).
Preferably, the cake resistancet includes that optical waveguide is arranged in close to the lower outside of the light pass surface of object space light source side
First aluminium mirror coating cake resistancet is filtered with the second aluminium mirror coating of the optical waveguide close to the upper outside of the light pass surface of object space side is arranged in
The length of wavestrip, the first aluminium mirror coating cake resistancet and the second aluminium mirror coating cake resistancet and the length of the optical waveguide
Equal, the width of the width of the first aluminium mirror coating cake resistancet and the second aluminium mirror coating cake resistancet passes through formula respectively
(1) it is calculated.
Preferably, the lower outside in optical waveguide close to the light pass surface of object space light source side offers section in inverted " L " shape
Slot is crossed, the cake resistancet includes a frosted delustring ink cake resistancet, and the frosted delustring ink cake resistancet includes being fitted in institute
The frosting of slot outer surface and the delustring ink being arranged on side of the frosting far from the optical waveguide were stated, it is described
The length of frosted delustring ink cake resistancet and the equal length of the optical waveguide, the width of the frosted delustring ink cake resistancet
It is calculated by formula (1).
Preferably, the lower outside in optical waveguide close to the light pass surface of object space light source side offers section in inverted " L " shape
Lower part through slot, optical waveguide offer the top through slot that section is in " L " shape close to the upper outside of the light pass surface of object space light source side,
The cake resistancet includes being fitted in the first frosted delustring ink cake resistancet of lower part through slot outer surface and being fitted on described
Second frosted delustring ink cake resistancet of portion through slot outer surface, the first frosted delustring ink cake resistancet and second mill
Sand delustring ink cake resistancet structure respectively includes frosting and is arranged on side of the frosting far from the optical waveguide
Delustring ink；
The length and the optical waveguide of the first frosted delustring ink cake resistancet, the second frosted delustring ink cake resistancet
Equal length, the width of the width of the first frosted delustring ink cake resistancet and the second frosted delustring ink cake resistancet
Degree is calculated by formula (1) respectively.
Preferably, first stick is light-sensitive emulsion or heat-sensitive glue and its thickness is greater than 0.001 millimeter；Described second
Stick is light-sensitive emulsion or heat-sensitive glue.
Preferably, the section of described first single-row multiple rows of optical waveguide battle array is square, first single-row multiple rows of optical waveguide
Array includes two triangle optical waveguides that a diagonal line both ends of described first single-row multiple rows of optical waveguide array are arranged in, contains
There is the birectangular special-shaped optical waveguide on described first single-row another diagonal line of multiple rows of optical waveguide array and is located at described three
Two trapezoidal optical waveguide arrays between angle optical waveguide and special-shaped optical waveguide, wherein the trapezoidal optical waveguide array includes at least
One trapezoidal optical waveguide；The cross-sectional width of the cross section of triangle optical waveguide, special-shaped optical waveguide and trapezoidal optical waveguide and section
It is equal in length, the length of the triangle optical waveguide is smaller than the length of the trapezoidal optical waveguide in the trapezoidal optical waveguide array, institute
The length for stating trapezoidal optical waveguide is smaller than the length of the special-shaped optical waveguide；The triangle optical waveguide, special-shaped optical waveguide and trapezoidal
Optical waveguide is arranged in lower left θ angle.
Preferably, the θ angular configurations range is 35 ° -65 °.
Preferably, the cross-sectional width of the cross section of the triangle optical waveguide, special-shaped optical waveguide and trapezoidal optical waveguide is
W01, cross-sectional length H01And the two meets following condition: 0.1mm < W01< 5mm, 0.1mm < H01<5mm。
Compared with prior art, a kind of flat-plate lens for imaging of the present invention have the following beneficial effects:
A kind of flat-plate lens for imaging of the present invention in optical waveguide by being arranged cake resistancet, to odd times return ghost
Light is filtered out, and then avoids virtual image light beam and imaging beam overlapping, improves the viewing body of user to a certain extent
It tests.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will from the following description
Become obvious, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is a kind of overall structure diagram of the flat-plate lens for imaging of the embodiment of the present invention；
Fig. 2 is enlarged structure schematic diagram at S in Fig. 1；
It is first single-row multiple rows of that Fig. 3 is that a kind of flat-plate lens middle section for imaging of the embodiment of the present invention is square
The structural schematic diagram of optical waveguide array；
It is first single-row multiple rows of that Fig. 4 is that a kind of flat-plate lens middle section for imaging of the embodiment of the present invention is square
Waveguide lengths structural schematic diagram in optical waveguide array；
It is first single-row multiple rows of that Fig. 5 is that a kind of flat-plate lens middle section for imaging of the embodiment of the present invention is square
Optical waveguide cross-sectional width and cross-sectional length schematic diagram in optical waveguide array；
Fig. 6 is that aluminium reflection is arranged in optical waveguide light pass surface lower part in a kind of flat-plate lens for imaging of the embodiment of the present invention
The structural schematic diagram of membrane filtration wavestrip；
Fig. 7 is the cross section structure schematic diagram of Fig. 6；
Fig. 8 is optical waveguide light pass surface upper and lower part setting in a kind of flat-plate lens for imaging of the embodiment of the present invention
The structural schematic diagram of aluminium mirror coating cake resistancet；
Fig. 9 is the cross section structure schematic diagram of Fig. 8；
Figure 10 is that the setting frosted of optical waveguide light pass surface lower part disappears in a kind of flat-plate lens for imaging of the embodiment of the present invention
The structural schematic diagram of light ink cake resistancet；
Figure 11 is enlarged structure schematic diagram at A in Figure 10；
Figure 12 is the cross section structure schematic diagram of Figure 11；
Figure 13 is optical waveguide light pass surface upper and lower part setting in a kind of flat-plate lens for imaging of the embodiment of the present invention
The structural schematic diagram of frosted delustring ink cake resistancet；
Figure 14 is the cross section structure schematic diagram of Figure 13；
Figure 15 is two that a cake resistancet is respectively provided in a kind of flat-plate lens for imaging of the embodiment of the present invention
The intersection construction schematic diagram of optical waveguide；
Figure 16 is the equivalent structure schematic diagram that light beam passes through the intersection region Figure 15.
Identifier declaration in figure:
20, the first glass window；40, the second glass window；60, the first stick；80, the second stick；
1, first single-row multiple rows of optical waveguide array；3, second single-row multiple rows of optical waveguide array；
11, triangle optical waveguide；13, trapezoidal optical waveguide；15, special-shaped optical waveguide；
100, aluminium mirror coating cake resistancet；2001, the first aluminium mirror coating cake resistancet；2003, the second aluminium mirror coating cake resistancet；
300, frosted delustring ink cake resistancet；3001, frosting；3003, delustring ink；1000, slot is crossed；
4001, the first frosted delustring ink cake resistancet；4003, the second frosted delustring ink cake resistancet.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to
The embodiment of attached drawing description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Please refer to Fig. 1-Fig. 2, a kind of flat-plate lens for imaging of the embodiment of the present invention comprising the first glass window
20, it second 40, first single-row multiple rows of optical waveguide array 1 of glass window and is set with the first single-row multiple rows of optical waveguide array 1 adaptation
It sets and the identical second single-row multiple rows of optical waveguide array 3 of refractive index, wherein the first glass window 20,40 phase of the second glass window
To being arranged and all have two optical surfaces；First single-row multiple rows of optical waveguide array 1 and the first glass window 20, second are single-row more
It is engaged between row's optical waveguide array 3 and the second glass window 40 by the second stick 80；First single-row multiple rows of optical waveguide array 1
It is respectively several light waves of rectangle by diagonally disposed single-row multiple rows of and cross section with second single-row multiple rows of optical waveguide array 3
It leads composition and first single-row multiple rows of optical waveguide array 1 and second single-row multiple rows of optical waveguide array 3 corresponds to each other the waveguide side of part
To being mutually perpendicular to；There are two interfaces between optical waveguide and optical waveguide adjacent thereto, by the first stick between each interface
60 engagements；Each optical waveguide is provided at least one cake resistancet, the length of the cake resistancet in the light pass surface of object space light source side
It spends and the equal length of corresponding optical waveguide, the width H of cake resistancet02Meet following condition:
In formula, H01For the cross-sectional length of lightguide cross section；θ0Incidence angle when for flat-plate lens for imaging, n are
Refractive index and n > 1.4 of first single-row multiple rows of optical waveguide array 1 or second single-row multiple rows of optical waveguide array 3；Δ θ is default
Anti-ghost angular width.
In some embodiments, the value of Δ θ preferentially makes no ghost image angular range be greater than θ0Δ θ is less than θ0。
In view of first single-row multiple rows of optical waveguide array 1 and second single-row multiple rows of optical waveguide array 3 in addition to oblique direction not
With outside, other structures are essentially identical, and the embodiment of the present invention is only solved by taking first single-row multiple rows of optical waveguide array 1 as an example herein
Release explanation.
Fig. 3-Fig. 5 is please referred to, the structure that Fig. 3 shows section is square first single-row multiple rows of optical waveguide array 1 is shown
It is intended to, from figure 3, it can be seen that first single-row multiple rows of optical waveguide array 1 includes being arranged in first single-row multiple rows of optical waveguide array
Two triangle optical waveguides 11 at a 1 diagonal line both ends contain first single-row 1 another diagonal line of multiple rows of optical waveguide array
On birectangular special-shaped optical waveguide 15 and two trapezoidal light waves between triangle optical waveguide 11 and special-shaped optical waveguide 15
Lead array, wherein trapezoidal optical waveguide array includes at least one trapezoidal optical waveguide 13；Triangle optical waveguide 11, special-shaped optical waveguide
15 and trapezoidal optical waveguide 13 cross section cross-sectional width and cross-sectional length be equal, the length of triangle optical waveguide 11 is than ladder
The length of trapezoidal optical waveguide 13 in shape optical waveguide array is small, the length of the length of trapezoidal optical waveguide 13 than special-shaped optical waveguide 15
It is small；Triangle optical waveguide 11, special-shaped optical waveguide 15 and trapezoidal optical waveguide 13 are arranged in lower left θ degree.
Preferably, θ value range is 35 °~65 °.
Illustratively, as shown in Figure 3-Figure 5, triangle optical waveguide 11, special-shaped optical waveguide 15 and trapezoidal optical waveguide 13 is transversal
The cross-sectional width in face is W01, cross-sectional length H01, the length of triangle optical waveguide 11, special-shaped optical waveguide 15 and trapezoidal optical waveguide 13
Degree is L.From fig. 6, it can be seen that waveguide lengths L is unequal, wherein two sides be it is most short, it is longer closer to diagonal line.
Preferably, the cross-sectional width of the cross section of triangle optical waveguide 11, special-shaped optical waveguide 15 and trapezoidal optical waveguide 13 is
W01, cross-sectional length H01Meet following condition: 0.1mm < W01< 5mm, 0.1mm < H01<5mm.First stick 60 be light-sensitive emulsion or
Person's heat-sensitive glue and its thickness are greater than 0.001 millimeter.Second stick 80 is light-sensitive emulsion or heat-sensitive glue.
Fig. 6 and Fig. 7 are please referred to, in some embodiments, cake resistancet includes an aluminium mirror coating cake resistancet 100, the aluminium
Reflectance coating cake resistancet 100 be arranged in optical waveguide close to object space light source side light pass surface lower outside, length with it is corresponding
The length L of optical waveguide is equal, width HI02It is calculated by formula (1), details are not described herein for the embodiment of the present invention.
Fig. 8 and Fig. 9 are please referred to, in some embodiments, cake resistancet includes being arranged in optical waveguide close to object space light source side
Light pass surface lower outside the first aluminium mirror coating cake resistancet 2001 and light pass surface of the optical waveguide close to object space side is set
Second aluminium mirror coating cake resistancet 2003 of upper outside, the first aluminium mirror coating cake resistancet 2001 and the second aluminium mirror coating cake resistancet
2003 length is equal with the length L of corresponding optical waveguide, the width HIS of the first aluminium mirror coating cake resistancet 200102With the second aluminium
The width HIX of reflectance coating cake resistancet 200302It is calculated respectively by formula (1), details are not described herein for the embodiment of the present invention.
Figure 10-12 is please referred to, in some embodiments, close to the lower part of the light pass surface of object space light source side in optical waveguide
Outside offers section and crosses slot 1000 in inverted " L " shape.Cake resistancet includes a frosted delustring ink cake resistancet 300, the frosted
Delustring ink cake resistancet 300 includes being fitted in the frosting 3001 of 1000 outer surface of slot and being arranged on frosting 3001 remote
The delustring ink 3003 of side from optical waveguide, the length of frosted delustring ink cake resistancet 300 and the length of corresponding optical waveguide
L is equal, width HE02It is calculated by formula (1), details are not described herein for the embodiment of the present invention.
Figure 13-14 is please referred to, in some embodiments, close to the lower part of the light pass surface of object space light source side in optical waveguide
Outside offers the lower part through slot that section is in inverted " L " shape, meanwhile, close to the top of the light pass surface of object space light source side in optical waveguide
Outside offers the top through slot that section is in " L " shape.Cake resistancet includes the first frosted delustring for being fitted in lower part through slot outer surface
Ink cake resistancet 4001 and the second frosted delustring ink cake resistancet 4003 for being fitted in top through slot outer surface, wherein the first mill
Sand delustring ink cake resistancet 4001 and 4003 structure of the second frosted delustring ink cake resistancet and frosted delustring ink cake resistancet 300
Structure it is identical；First frosted delustring ink cake resistancet 4001, the second frosted delustring ink cake resistancet 4003 length with it is corresponding
Optical waveguide length L it is equal, the width HES of the first frosted delustring ink cake resistancet 400102It is filtered with the second frosted delustring ink
The width HEX of wavestrip 400302It is calculated respectively by formula (1), details are not described herein for the embodiment of the present invention.
Figure 15-16 is please referred to, for convenient for further understanding a kind of flat-plate lens for imaging of the embodiment of the present invention, under
Sketch its light path schematic diagram in face, wherein assuming that only in the lower outside of the light pass surface close to object space light source side in optical waveguide
Cake resistancet is set:
Two optical waveguide overlay regions can be equivalent to figure shown in Figure 16 as can be seen from Figure 15, and ghost image light is opposite
Normal incidence is equal to θ0Odd times return ghost light can be filtered out completely by cake resistancet, and then avoid virtual image light by angle
Beam and imaging beam overlapping.
Compared with prior art, a kind of flat-plate lens for imaging of the embodiment of the present invention have the following beneficial effects:
A kind of flat-plate lens for imaging of the embodiment of the present invention are anti-to odd times by the way that cake resistancet is arranged in optical waveguide
It penetrates ghost image light to be filtered out, and then avoids virtual image light beam and imaging beam overlapping, improve the sight of user to a certain extent
See experience.
The above is only some embodiments of the invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of flat-plate lens for imaging, which is characterized in that the flat-plate lens for imaging include the first windowpane
It mouth, the second glass window, first single-row multiple rows of optical waveguide array and adapts to the described first single-row multiple rows of optical waveguide array
And the identical second single-row multiple rows of optical waveguide array of refractive index, wherein first glass window, the second glass window are opposite to be set
It sets and all has two optical surfaces；First single-row multiple rows of optical waveguide array and first glass window, second list
It arranges and is engaged between multiple rows of optical waveguide array and second glass window by the second stick；First single-row multiple rows of optical waveguide
Array and second single-row multiple rows of optical waveguide array are respectively the several of rectangle by diagonally disposed single-row multiple rows of and cross section
A optical waveguide composition and first single-row multiple rows of optical waveguide array and second single-row multiple rows of optical waveguide array correspond to each other
Partial wave guide direction is mutually perpendicular to；There are two interfaces between the optical waveguide and optical waveguide adjacent thereto, each to join
It is engaged between face by the first stick；Each optical waveguide is provided at least one cake resistancet in the light pass surface of object space light source side,
The equal length of the length of the cake resistancet and corresponding optical waveguide, the width H of the cake resistancet02Meet following condition:
In formula, H01For the cross-sectional length of lightguide cross section；θ0For described in object space light source incidence for imaging flat-plate lens when
Incidence angle, n is the refractive index of described first single-row multiple rows of optical waveguide array or second single-row multiple rows of optical waveguide array
And n > 1.4；Δ θ is preset anti-ghost angular width.
2. the flat-plate lens as described in claim 1 for imaging, which is characterized in that the cake resistancet includes an aluminium reflection
Membrane filtration wavestrip, the aluminium mirror coating cake resistancet are arranged in optical waveguide close to the lower outside of the light pass surface of object space light source side, institute
The length of aluminium mirror coating cake resistancet and the equal length of the optical waveguide are stated, the width of the aluminium mirror coating cake resistancet passes through formula
(1) it is calculated.
3. the flat-plate lens as described in claim 1 for imaging, which is characterized in that the cake resistancet includes being arranged in light wave
It leads the first aluminium mirror coating cake resistancet of the lower outside of the light pass surface close to object space light source side and is arranged in optical waveguide close to object space
Second aluminium mirror coating cake resistancet of the upper outside of the light pass surface of side, the first aluminium mirror coating cake resistancet and second aluminium are anti-
Penetrate the length of membrane filtration wavestrip and the equal length of the optical waveguide, the width of the first aluminium mirror coating cake resistancet and described second
The width of aluminium mirror coating cake resistancet passes through formula (1) respectively and is calculated.
4. the flat-plate lens as described in claim 1 for imaging, which is characterized in that close to object space light source side in optical waveguide
The lower outside of light pass surface offers section in the slot of crossing of inverted " L " shape, and the cake resistancet includes a frosted delustring ink filtering
Band, the frosted delustring ink cake resistancet include being fitted in the frosting of slot outer surface excessively and being arranged remote in the frosting
Delustring ink on side from the optical waveguide, the length of the frosted delustring ink cake resistancet and the length of the optical waveguide
Equal, the width of the frosted delustring ink cake resistancet is calculated by formula (1).
5. the flat-plate lens as described in claim 1 for imaging, which is characterized in that close to object space light source side in optical waveguide
The lower outside of light pass surface offers the lower part through slot that section is in inverted " L " shape, light pass surface of the optical waveguide close to object space light source side
Upper outside offers the top through slot that section is in " L " shape, and the cake resistancet includes being fitted in lower part through slot outer surface
First frosted delustring ink cake resistancet and the second frosted delustring ink cake resistancet for being fitted in top through slot outer surface, it is described
First frosted delustring ink cake resistancet and the second frosted delustring ink cake resistancet structure respectively include frosting and setting exists
Delustring ink on side of the frosting far from the optical waveguide；
The length of the first frosted delustring ink cake resistancet, the length of the second frosted delustring ink cake resistancet and the optical waveguide
Equal, the width of the width of the first frosted delustring ink cake resistancet and the second frosted delustring ink cake resistancet leads to respectively
Formula (1) is crossed to be calculated.
6. the flat-plate lens for imaging as described in claim 1, which is characterized in that first stick be light-sensitive emulsion or
Heat-sensitive glue and its thickness are greater than 0.001 millimeter；Second stick is light-sensitive emulsion or heat-sensitive glue.
7. the flat-plate lens as described in claim 1 for imaging, which is characterized in that first single-row multiple rows of optical waveguide battle array
Section be square, first single-row multiple rows of optical waveguide array include be arranged in described first single-row multiple rows of optical waveguide array
A diagonal line both ends two triangle optical waveguides, containing on described first single-row another diagonal line of multiple rows of optical waveguide array
Birectangular special-shaped optical waveguide and two trapezoidal optical waveguide battle arrays between the triangle optical waveguide and special-shaped optical waveguide
Column, wherein the trapezoidal optical waveguide array includes at least one trapezoidal optical waveguide；Triangle optical waveguide, special-shaped optical waveguide and ladder
The cross-sectional width and cross-sectional length of the cross section of shape optical waveguide are equal, and the length of the triangle optical waveguide is than the trapezoidal light wave
The length for leading the trapezoidal optical waveguide in array is small, and the length of the trapezoidal optical waveguide is smaller than the length of the special-shaped optical waveguide；Institute
Triangle optical waveguide, special-shaped optical waveguide and trapezoidal optical waveguide is stated to be arranged in lower left θ angle.
8. the flat-plate lens for imaging as claimed in claim 7, which is characterized in that the θ angular configurations range is 35 °-
65°。
9. the flat-plate lens as claimed in claim 7 for imaging, which is characterized in that the triangle optical waveguide, special-shaped light wave
It leads and the cross-sectional width of the cross section of trapezoidal optical waveguide is W01, cross-sectional length H01And the two meets following condition: 0.1mm <
W01< 5mm, 0.1mm < H01<5mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422119.0A CN110208902B (en) | 2019-05-21 | 2019-05-21 | Flat lens for imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422119.0A CN110208902B (en) | 2019-05-21 | 2019-05-21 | Flat lens for imaging |
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| Publication Number | Publication Date |
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| CN110208902A true CN110208902A (en) | 2019-09-06 |
| CN110208902B CN110208902B (en) | 2024-06-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112987531A (en) * | 2019-12-12 | 2021-06-18 | 浙江棱镜全息科技有限公司 | Holographic lens assembly and display system having the same |
| CN112213805A (en) * | 2020-09-03 | 2021-01-12 | 核桃智能科技（常州）有限公司 | Tooth-shaped optical waveguide unit array lens |
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