CN109725426A - A kind of volume holographic waveguide display device - Google Patents
A kind of volume holographic waveguide display device Download PDFInfo
- Publication number
- CN109725426A CN109725426A CN201910140596.8A CN201910140596A CN109725426A CN 109725426 A CN109725426 A CN 109725426A CN 201910140596 A CN201910140596 A CN 201910140596A CN 109725426 A CN109725426 A CN 109725426A
- Authority
- CN
- China
- Prior art keywords
- grating
- optical element
- diffraction optical
- planar waveguide
- waveguide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 91
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 239000005304 optical glass Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 13
- 239000003086 colorant Substances 0.000 description 8
- 230000000644 propagated effect Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 241001062009 Indigofera Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
Landscapes
- Optical Integrated Circuits (AREA)
Abstract
The application belongs to waveguide field of display technology, more particularly to a kind of volume holographic waveguide display device.Existing display device ranges of incidence angles is small, and angular selectivity is poor, and the brightness of image of reflection is not high.This application provides a kind of volume holographic waveguide display devices, including the micro-display, collimating mirror and waveguide assemblies being arranged successively；Waveguide assemblies include the first planar waveguide, the second planar waveguide and third planar waveguide being arranged successively, first planar waveguide one end is provided with the first input diffraction optical element, the first planar waveguide other end is provided with the first output diffraction optical element, second planar waveguide one end is provided with the second input diffraction optical element, the second planar waveguide other end is provided with the second output diffraction optical element, third planar waveguide one end is provided with third input diffraction optical element, and the third planar waveguide other end is provided with third output diffraction optical element.It can show the full color image compared with high saturation, improve image displaying quality.
Description
Technical field
The application belongs to waveguide field of display technology, more particularly to a kind of volume holographic waveguide display device.
Background technique
Waveguide (waveguide) is used to the structure of guide electromagnetic waves.Therefore, under the definition of broad sense, waveguide is referred not only to
Empty metal tube, while also including other waveguide forms such as ridge waveguide, elliptical waveguide, Medium Wave Guide etc.；It further include two-conductor line, same
Axis, strip line, micro-strip and image line, single surface wave transmission line etc..It is different according to the shape of waveguide cross-section, square can be divided into
Shape waveguide, circular waveguide etc..Although existing many different waveguide forms, and new form also continuously emerges, until currently,
Rectangular waveguide and circular waveguide are still two kinds of most important waveguide forms in practical application.
When existing display device propagates color image using composite grating, there is a problem of that close coloured light crosstalk is serious；
Also have and every kind of coloured light is individually controlled using monochromatic grating, but its volume holographic grating is only single layer structure, ranges of incidence angles is small, angle
Degree selectivity is poor, and the brightness of image of reflection is not high.
Summary of the invention
1. technical problems to be solved
When propagating color image using composite grating based on existing display device, ask there are close coloured light crosstalk is serious
Topic；Also have and every kind of coloured light is individually controlled using monochromatic grating, but its volume holographic grating is only single layer structure, ranges of incidence angles
Small, angular selectivity is poor, the not high problem of the brightness of image of reflection, and this application provides a kind of volume holographic waveguide displays to fill
It sets.
2. technical solution
To achieve the above object, this application provides a kind of volume holographic waveguide display devices, including what is be arranged successively
Micro-display, collimating mirror and waveguide assemblies；
The waveguide assemblies include the first planar waveguide, the second planar waveguide and third planar waveguide being arranged successively, institute
It states first planar waveguide one end and is provided with the first input diffraction optical element, the first planar waveguide other end is provided with first
Diffraction optical element is exported, second planar waveguide one end is provided with the second input diffraction optical element, second plate
The waveguide other end is provided with the second output diffraction optical element, and third planar waveguide one end is provided with third input diffraction light
Element is learned, the third planar waveguide other end is provided with third output diffraction optical element.
Optionally, the first input diffraction optical element includes the first incidence end grating and the second incidence end grating, institute
State the first output diffraction optical element include the first exit end grating and the second exit end grating, the first incidence end grating and
The first exit end grating is set to one surface of the first planar waveguide, and the second incidence end grating and described second go out
It penetrates end grating and is set to another surface of the first planar waveguide；
The second input diffraction optical element includes third incidence end grating and the 4th incidence end grating, and described second is defeated
Diffraction optical element includes third exit end grating and the 4th exit end grating out, the third incidence end grating and the third
Exit end grating is set to one surface of the second planar waveguide, the 4th incidence end grating and the 4th exit end grating
It is set to another surface of the second planar waveguide；
The third input diffraction optical element includes the 5th incidence end grating and the 6th incidence end grating, and the third is defeated
Diffraction optical element includes the 5th exit end grating and the 6th exit end grating, the 5th incidence end grating and the described 5th out
Exit end grating is set to one surface of third planar waveguide, the 6th incidence end grating and the 6th exit end grating
It is set to another surface of third planar waveguide.
Optionally, the first input diffraction optical element and described first exports diffraction optical element mirror image each other；Institute
State the second input diffraction optical element and the second output diffraction optical element mirror image each other；The third inputs diffraction optics
Element and the third export diffraction optical element mirror image each other.
Optionally, the planar waveguide is made of clear optical glass or transparent optical plastics.
Optionally, the first input diffraction optical element, the first output diffraction optical element, second input
Diffraction optical element, the second output diffraction optical element, third input diffraction optical element and third output
Diffraction optical element is mono-color reflective type volume holographic grating.
Optionally, the mono-color reflective type volume holographic grating is prepared using laser interference or nano impression.
Optionally, the first incidence end grating, the second incidence end grating, the first exit end grating, described
It is second exit end grating, the third incidence end grating, the 4th incidence end grating, the third exit end grating, described
4th exit end grating, the 5th incidence end grating, the 6th incidence end grating, the 5th exit end grating and described
6th exit end grating thickness is identical.
3. beneficial effect
Compared with prior art, a kind of beneficial effect of volume holographic waveguide display device provided by the present application is:
Volume holographic waveguide display device provided by the present application, planar waveguide are divided into three layers, are followed successively by feux rouges, indigo plant from top to bottom
Light and green light constitute the three primary colors of RGB；The left end of each layer of planar waveguide is incidence end grating, and right end is reflection end grating, is entered
It penetrates end grating and exit end grating is all made of upper surface grating and following table concave grating；Each layer of incidence end grating is to incident light
Bragg diffraction is generated, exit end grating generates Bragg diffraction to emergent light, full-colour image is finally injected human eye.The application
Using three layers of volume holographic structure, using the wavelength selectivity of volume holographic, it is complete that body is carried out to feux rouges, blue light and green light three primary colors respectively
Breath reflection individually conducts every kind of coloured light using 3 monochromatic gratings, to reduce the crosstalk of dispersion and close coloured light.In addition, body is complete
It ceases grating and uses two-sided structure, ranges of incidence angles can be expanded, improve display brightness.The structure can show complete compared with high saturation
Color color image improves image displaying quality.
Detailed description of the invention
Fig. 1 is a kind of volume holographic waveguide display device structure schematic diagram of the application；
In figure: 1- micro-display, 2- collimating mirror, the first planar waveguide of 3-, the second planar waveguide of 4-, 5- third plate wave
It leads, the first incidence end of 6- grating, the second incidence end of 7- grating, the first exit end of 8- grating, the second exit end of 9- grating, 10-
Three incidence end gratings, the 4th incidence end grating of 11-, 12- third exit end grating, the 4th exit end grating of 13-, 14- the 5th enter
Penetrate end grating, the 6th incidence end grating of 15-, the 5th exit end grating of 16-, the 6th exit end grating of 17-.
Specific embodiment
Hereinafter, specific embodiment of the reference attached drawing to the application is described in detail, it is detailed according to these
Description, one of ordinary skill in the art can implement the application it can be clearly understood that the application.Without prejudice to the application principle
In the case where, the feature in each different embodiment can be combined to obtain new embodiment, or be substituted certain
Certain features in embodiment, obtain other preferred embodiments.
Referring to Fig. 1, the application provides a kind of volume holographic waveguide display device, including micro-display 1, the collimation being arranged successively
Mirror 2 and waveguide assemblies；
The waveguide assemblies include the first planar waveguide 3, the second planar waveguide 4 and third planar waveguide 5 being arranged successively,
Described first planar waveguide, 3 one end is provided with the first input diffraction optical element, and 3 other end of the first planar waveguide is provided with
First output diffraction optical element, described second planar waveguide, 4 one end are provided with the second input diffraction optical element, and described second
4 other end of planar waveguide is provided with the second output diffraction optical element, and described 5 one end of third planar waveguide is provided with third input
Diffraction optical element, 5 other end of third planar waveguide are provided with third output diffraction optical element.
1 load image of micro-display, launches outward the scattering light for being loaded with image information.It scatters light and passes through collimating mirror 2
Calibration function becomes directional light, is emitted to the first input diffraction optical element of the first planar waveguide 3, carries out twice to monochromatic light
Bragg diffraction.And the first planar waveguide 3, the first planar waveguide 3 will be transmitted to by the monochromatic light of second of Bragg diffraction
Multiple total reflection is carried out to monochromatic light, and the monochromatic light after total reflection is transmitted to the first output diffraction optical element.First is defeated
Diffraction optical element carries out Bragg diffraction reduction twice to monochromatic light out.The light emitting of a color is filtered off to the second plate wave
The the second input diffraction optical element for leading 4, carries out Bragg diffraction twice to monochromatic light.And second of Bragg diffraction will be passed through
Monochromatic light be transmitted to the second planar waveguide 4, the second planar waveguide 4 carries out multiple total reflection to monochromatic light, and will be after total reflection
Monochromatic light be transmitted to the second output diffraction optical element.Second output diffraction optical element carries out Prague twice to monochromatic light
Diffraction reduction.The third for filtering off the light emittings of two colors to third planar waveguide 5 inputs diffraction optical element, to monochromatic light into
Capable Bragg diffraction twice.And third planar waveguide 5, third plate will be transmitted to by the monochromatic light of second of Bragg diffraction
Waveguide 5 carries out multiple total reflection to monochromatic light, and the monochromatic light after total reflection is transmitted to third output diffraction optical element.The
Two output diffraction optical elements carry out Bragg diffraction twice to monochromatic light and restore.Three kinds of coloured light after reduction are projected and are converged respectively
It is poly-, human eye is finally injected, full-colour image is formed.
Further, the first input diffraction optical element includes the first incidence end grating 6 and the second incidence end grating
7, the first output diffraction optical element includes the first exit end grating 8 and the second exit end grating 9, first incidence end
Grating 6 and the first exit end grating 8 are set to 3 one surface of the first planar waveguide, 7 He of the second incidence end grating
The second exit end grating 9 is set to another surface of first planar waveguide 3；
The second input diffraction optical element includes third incidence end grating 10 and the 4th incidence end grating 11, and described the
Two output diffraction optical elements include third exit end grating 12 and the 4th exit end grating 13, the third incidence end grating 10
4 one surface of the second planar waveguide, the 4th incidence end grating 11 and institute are set to the third exit end grating 12
It states the 4th exit end grating 13 and is set to another surface of second planar waveguide 4；
Third input diffraction optical element includes the 5th incidence end grating 14 and the 6th incidence end grating 15, and described the
Three output diffraction optical elements include the 5th exit end grating 16 and the 6th exit end grating 17, the 5th incidence end grating 14
5 one surface of third planar waveguide, the 6th incidence end grating 15 and institute are set to the 5th exit end grating 16
It states the 6th exit end grating 17 and is set to another surface of the third planar waveguide 5.
1 load image of micro-display, launches outward the scattering light for being loaded with image information.It scatters light and passes through collimating mirror 2
Calibration function becomes directional light, is emitted to the first incidence end grating 6 of the first planar waveguide 3, carries out first time cloth to monochromatic light
Glug diffraction.Second incidence end grating 7 carries out second of Bragg diffraction to monochromatic light, and will pass through second of Bragg diffraction
Monochromatic light be transmitted to the first planar waveguide 3, the first planar waveguide 3 carries out multiple total reflection to monochromatic light, and will be after total reflection
Monochromatic light be transmitted to the first exit end grating 8, the first exit end grating 8 carries out first time Bragg diffraction also to monochromatic light
Original, the second exit end grating 9 carry out second of Bragg diffraction reduction to monochromatic light.The light emitting of a color is filtered off to second
The third incidence end grating 10 of planar waveguide 4 carries out first time Bragg diffraction to monochromatic light.4th 11 pairs of incidence end grating list
Coloured light carries out second of Bragg diffraction, and will be transmitted to the second planar waveguide 4 by the monochromatic light of second of Bragg diffraction,
Second planar waveguide 4 carries out multiple total reflection to monochromatic light, and the monochromatic light after total reflection is transmitted to third exit end grating
12, third exit end grating 12 carries out the reduction of first time Bragg diffraction to monochromatic light, and the 4th exit end grating 13 is to monochromatic light
Carry out second of Bragg diffraction reduction.The light emitting of two colors is filtered off to the 5th incidence end grating of third planar waveguide 5
14, first time Bragg diffraction is carried out to monochromatic light.6th incidence end grating 15 carries out second of Bragg diffraction to monochromatic light,
And it being transmitted to third planar waveguide 5 by the monochromatic light of second of Bragg diffraction, third planar waveguide 5 carries out monochromatic light
Multiple total reflection, and the monochromatic light after total reflection is transmitted to the 5th exit end grating 16, the 5th 16 pairs of exit end grating monochrome
Light carries out the reduction of first time Bragg diffraction, and the 6th exit end grating 17 carries out second of Bragg diffraction reduction to monochromatic light.
Three kinds of coloured light after reduction are projected and are converged respectively, finally inject human eye, form full-colour image.
Upper surface grating fits in the upper surface of planar waveguide, and following table concave grating fits in the lower surface of planar waveguide, energy
Expand ranges of incidence angles, improves display brightness.
Here the first planar waveguide 3 carries out Bragg diffraction to green light, remaining coloured light is transmitted.Second planar waveguide
4 pairs of blue lights carry out Bragg diffraction.Third planar waveguide 5 carries out Bragg diffraction to feux rouges.
By total reflection theorem it is found that working as incidence when light enters optically thinner medium (air) from optically denser medium (planar waveguide)
It when angle is greater than critical angle θ, is totally reflected, incidence angle is equal to angle of reflection at this time.The calculation formula of critical angle are as follows:
Wherein, n1For air refraction, n2For the refractive index of waveguide.
After green light travels to the first input diffraction optical element, due to the diffraction effect of volume holographic grating, the propagation of green light
Direction is changed.First incidence end grating 6 and the second incidence end grating 7 form the double-deck incidence end grating, and green light is diffracted into more
Big incidence angle (being greater than critical angle θ), realizes total reflection of the green light in the first planar waveguide 3 with this.It is flat that green light enters first
After board waveguide 3, due to meeting total reflection condition, total reflection propagation is carried out in the first planar waveguide 3.Since green light is
It is to be propagated in the form of directional light in one planar waveguide 3, avoids the distortion of green light image.
After blue light travels to the second input diffraction optical element, due to the diffraction effect of volume holographic grating, the propagation of blue light
Direction is changed.Third incidence end grating 10 and the 4th incidence end grating 11 form the double-deck incidence end grating, and blue light is diffracted into
Bigger incidence angle (being greater than critical angle θ), realizes total reflection of the blue light in the second planar waveguide 4 with this.Blue light enters second
After planar waveguide 4, due to meeting total reflection condition, total reflection propagation is carried out in the second planar waveguide 4.Since blue light exists
It is to be propagated in the form of directional light in second planar waveguide 4, avoids the distortion of blue light images.
After red transmission inputs diffraction optical element to third, due to the diffraction effect of volume holographic grating, the propagation of feux rouges
Direction is changed.5th incidence end grating 14 and the 6th incidence end grating 15 form the double-deck incidence end grating, and feux rouges is diffracted into
Bigger incidence angle (being greater than critical angle θ), realizes total reflection of the feux rouges in third planar waveguide 5 with this.Feux rouges enters third
After planar waveguide 5, due to meeting total reflection condition, total reflection propagation is carried out in third planar waveguide 5.Since feux rouges exists
It is to be propagated in the form of directional light in third planar waveguide 5, avoids the distortion of feux rouges image.
Further, the first input diffraction optical element and described first exports diffraction optical element mirror image each other；
The second input diffraction optical element and described second exports diffraction optical element mirror image each other；The third inputs diffraction light
Learn element and the third output diffraction optical element mirror image each other.
Further, the planar waveguide 3 is made of clear optical glass or transparent optical plastics.
Further, the first input diffraction optical element, the first output diffraction optical element, described second defeated
It is defeated to enter diffraction optical element, the second output diffraction optical element, third input diffraction optical element and the third
Diffraction optical element is mono-color reflective type volume holographic grating out.
Mono-color reflective type volume holographic grating fits in the left and right ends of each layer of planar waveguide respectively.Using three layers of volume holographic
Structure carries out volume holographic reflection to feux rouges, blue light and green light three primary colors respectively, utilizes 3 using the wavelength selectivity of volume holographic
Monochromatic grating individually conducts every kind of coloured light, to reduce the crosstalk of dispersion and close coloured light.
Volume holographic grating has wavelength selectivity, carries out Bragg diffraction to the light selected, remaining coloured light is transmitted.
Further, the mono-color reflective type volume holographic grating is prepared using laser interference or nano impression.
Further, the first incidence end grating 6, the second incidence end grating 7, the first exit end grating 8,
The second exit end grating 9, the third incidence end grating 10, the 4th incidence end grating 11, the third exit end
Grating 12, the 4th exit end grating 13, the 5th incidence end grating 14, the 6th incidence end grating 15, described
Five exit end gratings 16 are identical with 17 thickness of the 6th exit end grating.
Embodiment
As shown in Figure 1, micro-display 1, collimating mirror 2 and waveguide assemblies, wave are arranged in sequence in the present embodiment from top to bottom
Guide assembly includes three slabs waveguide；1 load image of micro-display launches outward the scattering light for being loaded with image information.Collimating mirror 2
Calibration is carried out to scattering light and generates directional light, is emitted to incidence end grating.Incidence end grating and exit end grating are reflection-type body
Holographic grating fits in the left and right ends of each layer of planar waveguide respectively, and incidence end grating and exit end grating are mirrored into pass
System.Each layer of planar waveguide is all made of three layers of volume holographic structure, using the wavelength selectivity of volume holographic, respectively to feux rouges, blue light
Volume holographic reflection is carried out with green light three primary colors.Volume holographic grating uses two-sided structure, and upper surface grating fits in planar waveguide
Upper surface, following table concave grating fit in the lower surface of planar waveguide.
Using micro-display 1 as image source, optical information is passed by guide technology by small integrated optical system
It is delivered to an optics display technology of human eye, belongs to wear-type augmented reality field, key technology is using advanced complete
Element is ceased, if volume holography replaces traditional optical elements as waveguide coupler, carries out light in waveguide component
Total reflection is propagated, and reaches biggish emergent pupil range.
Volume holographic waveguide display device provided by the present application, planar waveguide are divided into three layers, are followed successively by feux rouges, indigo plant from top to bottom
Light and green light constitute the three primary colors of RGB；The left end of each layer of planar waveguide is incidence end grating, and right end is reflection end grating, is entered
It penetrates end grating and exit end grating is all made of upper surface grating and following table concave grating；Each layer of incidence end grating is to incident light
Bragg diffraction is generated, exit end grating generates Bragg diffraction reduction to emergent light.Due to incidence end grating and reflection end light
Grid mirror each other, according to reciprocal theorem, emergent light is reduced to the coloured light parallel with incident light.Three color coloured light converge coupling
It closes, full-colour image is finally injected into human eye.The application uses three layers of volume holographic structure, using the wavelength selectivity of volume holographic, divides
It is other that volume holographic reflection is carried out to feux rouges, blue light and green light three primary colors, every kind of coloured light is individually conducted using 3 monochromatic gratings, thus
Reduce the crosstalk of dispersion and close coloured light.In addition, volume holographic grating uses two-sided structure, ranges of incidence angles can be expanded, improved aobvious
Show brightness.The structure can show the full color image compared with high saturation, improve image displaying quality.
Although the application is described above by referring to specific embodiment, one of ordinary skill in the art are answered
Work as understanding, in principle disclosed in the present application and range, many modifications can be made for configuration disclosed in the present application and details.
The protection scope of the application is determined by the attached claims, and claim is intended to technical characteristic in claim
Equivalent literal meaning or range whole modifications for being included.
Claims (7)
1. a kind of volume holographic waveguide display device, it is characterised in that: including be arranged successively micro-display (1), collimating mirror (2) and
Waveguide assemblies；
The waveguide assemblies include the first planar waveguide (3), the second planar waveguide (4) and third planar waveguide being arranged successively
(5), described first planar waveguide (3) one end is provided with the first input diffraction optical element, and first planar waveguide (3) is another
End is provided with the first output diffraction optical element, and described second planar waveguide (4) one end is provided with the second input diffraction optics member
Part, the second planar waveguide (4) other end are provided with the second output diffraction optical element, the third planar waveguide (5) one
End is provided with third input diffraction optical element, and third planar waveguide (5) other end is provided with third output diffraction optics
Element.
2. volume holographic waveguide display device as described in claim 1, it is characterised in that: the first input diffraction optical element
Including the first incidence end grating (6) and the second incidence end grating (7), the first output diffraction optical element includes the first outgoing
Hold grating (8) and the second exit end grating (9), the first incidence end grating (6) and the first exit end grating (8) setting
In (3) one surface of the first planar waveguide, the second incidence end grating (7) and the second exit end grating (9) setting
In another surface of first planar waveguide (3)；
The second input diffraction optical element includes third incidence end grating (10) and the 4th incidence end grating (11), and described the
Two output diffraction optical elements include third exit end grating (12) and the 4th exit end grating (13), the third incidence end light
Grid (10) and the third exit end grating (12) are set to (4) one surface of the second planar waveguide, the 4th incidence end
Grating (11) and the 4th exit end grating (13) are set to another surface of second planar waveguide (4)；
Third input diffraction optical element includes the 5th incidence end grating (14) and the 6th incidence end grating (15), and described the
Three output diffraction optical elements include the 5th exit end grating (16) and the 6th exit end grating (17), the 5th incidence end light
Grid (14) and the 5th exit end grating (16) are set to (5) one surface of third planar waveguide, the 6th incidence end
Grating (15) and the 6th exit end grating (17) are set to another surface of the third planar waveguide (5).
3. volume holographic waveguide display device as described in claim 1, it is characterised in that: the first input diffraction optical element
Diffraction optical element mirror image each other is exported with described first；The second input diffraction optical element and the second output diffraction
Optical element mirror image each other；The third input diffraction optical element and the third export diffraction optical element mirror image each other.
4. volume holographic waveguide display device as described in claim 1, it is characterised in that: the planar waveguide (3) is using transparent
Optical glass or transparent optical plastics are made.
5. volume holographic waveguide display device as described in any one of claims 1 to 4, it is characterised in that: first input
Diffraction optical element, the first output diffraction optical element, the second input diffraction optical element, second output are spread out
Penetrating optical element, third input diffraction optical element and third output diffraction optical element is mono-color reflective type body
Holographic grating.
6. volume holographic waveguide display device as claimed in claim 5, it is characterised in that: the mono-color reflective type volume holographic grating
It is prepared using laser interference or nano impression.
7. volume holographic waveguide display device as claimed in claim 6, it is characterised in that: the first incidence end grating (6), institute
State the second incidence end grating (7), the first exit end grating (8), the second exit end grating (9), third incidence
Hold grating (10), the 4th incidence end grating (11), the third exit end grating (12), the 4th exit end grating
(13), the 5th incidence end grating (14), the 6th incidence end grating (15), the 5th exit end grating (16) and institute
It is identical to state the 6th exit end grating (17) thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140596.8A CN109725426B (en) | 2019-02-26 | 2019-02-26 | Volume holographic waveguide display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140596.8A CN109725426B (en) | 2019-02-26 | 2019-02-26 | Volume holographic waveguide display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109725426A true CN109725426A (en) | 2019-05-07 |
| CN109725426B CN109725426B (en) | 2022-04-22 |
Family
ID=66300576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910140596.8A Expired - Fee Related CN109725426B (en) | 2019-02-26 | 2019-02-26 | Volume holographic waveguide display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109725426B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954983A (en) * | 2019-12-18 | 2020-04-03 | 京东方科技集团股份有限公司 | Colored light waveguide structure and display device |
| CN111045146A (en) * | 2019-11-08 | 2020-04-21 | 深圳奥比中光科技有限公司 | Grating type optical waveguide and light propagation regulating method thereof |
| CN111580276A (en) * | 2020-05-25 | 2020-08-25 | 浙江大学 | Near-to-eye optical field display device and method based on multilayer directional scattering waveguide |
| WO2020258801A1 (en) * | 2019-06-25 | 2020-12-30 | 歌尔股份有限公司 | Optical waveguide-based holographic grating color cast compensation system and head-mounted display device |
| CN112505925A (en) * | 2020-12-08 | 2021-03-16 | 谷东科技有限公司 | Compact augmented reality near-to-eye device |
| CN112630967A (en) * | 2020-12-23 | 2021-04-09 | 业成科技（成都）有限公司 | Optical waveguide module and electronic equipment |
| CN112782858A (en) * | 2021-01-21 | 2021-05-11 | 谷东科技有限公司 | Three-dimensional dynamic full-color display augmented reality holographic near-to-eye display device |
| CN113703174A (en) * | 2020-05-22 | 2021-11-26 | 富泰华工业（深圳）有限公司 | Holographic display device |
| CN113900264A (en) * | 2020-06-22 | 2022-01-07 | 富泰华工业（深圳）有限公司 | Holographic display device |
| CN114839765A (en) * | 2022-03-09 | 2022-08-02 | 深圳市光舟半导体技术有限公司 | Optical pupil expanding device with large field angle, display device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267591A (en) * | 2014-09-27 | 2015-01-07 | 郑敏 | Achromatic method based on three-time exposure technology |
| CN104280891A (en) * | 2014-09-27 | 2015-01-14 | 郑敏 | Method for achieving holographic waveguide grating large exit pupil |
| KR20150071612A (en) * | 2013-12-18 | 2015-06-26 | 마이크로소프트 코포레이션 | Ned polarization system for wavelength pass-through |
| CN104777535A (en) * | 2015-03-25 | 2015-07-15 | 东南大学 | Multiplexed volume holographic grating |
| CN105807348A (en) * | 2016-05-23 | 2016-07-27 | 东南大学 | Reflection volume holographic grating waveguiding structure |
| CN107277496A (en) * | 2017-07-17 | 2017-10-20 | 京东方科技集团股份有限公司 | Nearly eye shows system and control circuit |
-
2019
- 2019-02-26 CN CN201910140596.8A patent/CN109725426B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150071612A (en) * | 2013-12-18 | 2015-06-26 | 마이크로소프트 코포레이션 | Ned polarization system for wavelength pass-through |
| CN104267591A (en) * | 2014-09-27 | 2015-01-07 | 郑敏 | Achromatic method based on three-time exposure technology |
| CN104280891A (en) * | 2014-09-27 | 2015-01-14 | 郑敏 | Method for achieving holographic waveguide grating large exit pupil |
| CN104777535A (en) * | 2015-03-25 | 2015-07-15 | 东南大学 | Multiplexed volume holographic grating |
| CN105807348A (en) * | 2016-05-23 | 2016-07-27 | 东南大学 | Reflection volume holographic grating waveguiding structure |
| CN107277496A (en) * | 2017-07-17 | 2017-10-20 | 京东方科技集团股份有限公司 | Nearly eye shows system and control circuit |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020258801A1 (en) * | 2019-06-25 | 2020-12-30 | 歌尔股份有限公司 | Optical waveguide-based holographic grating color cast compensation system and head-mounted display device |
| CN111045146A (en) * | 2019-11-08 | 2020-04-21 | 深圳奥比中光科技有限公司 | Grating type optical waveguide and light propagation regulating method thereof |
| CN111045146B (en) * | 2019-11-08 | 2022-03-29 | 奥比中光科技集团股份有限公司 | Grating type optical waveguide and light propagation regulating method thereof |
| CN110954983A (en) * | 2019-12-18 | 2020-04-03 | 京东方科技集团股份有限公司 | Colored light waveguide structure and display device |
| CN113703174A (en) * | 2020-05-22 | 2021-11-26 | 富泰华工业（深圳）有限公司 | Holographic display device |
| CN111580276B (en) * | 2020-05-25 | 2021-05-04 | 浙江大学 | Near-to-eye light field display device and method based on directional scattering waveguide |
| CN111580276A (en) * | 2020-05-25 | 2020-08-25 | 浙江大学 | Near-to-eye optical field display device and method based on multilayer directional scattering waveguide |
| CN113900264A (en) * | 2020-06-22 | 2022-01-07 | 富泰华工业（深圳）有限公司 | Holographic display device |
| CN112505925A (en) * | 2020-12-08 | 2021-03-16 | 谷东科技有限公司 | Compact augmented reality near-to-eye device |
| CN112630967A (en) * | 2020-12-23 | 2021-04-09 | 业成科技（成都）有限公司 | Optical waveguide module and electronic equipment |
| CN112630967B (en) * | 2020-12-23 | 2022-12-13 | 业成科技（成都）有限公司 | Optical waveguide module and electronic equipment |
| CN112782858A (en) * | 2021-01-21 | 2021-05-11 | 谷东科技有限公司 | Three-dimensional dynamic full-color display augmented reality holographic near-to-eye display device |
| CN114839765A (en) * | 2022-03-09 | 2022-08-02 | 深圳市光舟半导体技术有限公司 | Optical pupil expanding device with large field angle, display device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109725426B (en) | 2022-04-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109725426A (en) | A kind of volume holographic waveguide display device | |
| CN109445096A (en) | A kind of full-color inclination waveguide projection display system | |
| CN105807348B (en) | A kind of reflection volume holographic grating waveguiding structure | |
| CN101174028B (en) | Optical device and virtual image display device | |
| CN105549150B (en) | A kind of holographical wave guide display device | |
| US10852481B2 (en) | Color separation in planar waveguides using wavelength filters | |
| CN108873355A (en) | A kind of nearly eye display device | |
| CN104656259A (en) | Conjugated narrow-band tri-phosphor staggered volume holographic grating waveguide near-to-eye optical display device | |
| CN107797287A (en) | Fiber waveguide eyeglass and display device | |
| CN108369300A (en) | It is imaged using multiple and different narrow band lights with corresponding different emission peak | |
| CN109239920A (en) | A kind of holographical wave guide eyeglass and augmented reality display device | |
| CN208721896U (en) | A kind of nearly eye display device | |
| CN106338832A (en) | Single holographic diffraction optical waveguide lens and 3D display device | |
| CN109239965A (en) | A kind of display device and its control method | |
| CN109188775A (en) | Optical substrate and display device | |
| CN108710240A (en) | A kind of collimated back module and display device | |
| CN110058412B (en) | Transmission decoupling large-view-field optical waveguide lens | |
| KR102162994B1 (en) | Ned polarization system for wavelength pass-through | |
| WO2023123922A1 (en) | Full-color waveguide display structure and head-mounted display device | |
| KR101908178B1 (en) | Wearable display apparatus | |
| WO2023184735A1 (en) | Optical waveguide system and augmented reality device | |
| CN103760680A (en) | NED polarization system enabling wave length to pass through | |
| CN216792490U (en) | Waveguide assembly and near-eye display | |
| JPH0488312A (en) | Video superposing device | |
| JP2001305477A (en) | Virtual image display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |