CN106773084A - The collapsible naked-eye stereoscopic display system for pointing to backlight and lens array - Google Patents
The collapsible naked-eye stereoscopic display system for pointing to backlight and lens array Download PDFInfo
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- CN106773084A CN106773084A CN201611227456.7A CN201611227456A CN106773084A CN 106773084 A CN106773084 A CN 106773084A CN 201611227456 A CN201611227456 A CN 201611227456A CN 106773084 A CN106773084 A CN 106773084A
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- lens array
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- 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
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- 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
- G02B30/22—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 stereoscopic type
- G02B30/24—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 stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/302—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays
- H04N13/305—Image reproducers for viewing without the aid of special glasses, i.e. using autostereoscopic displays using lenticular lenses, e.g. arrangements of cylindrical lenses
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- Optics & Photonics (AREA)
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- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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Abstract
The invention discloses a kind of collapsible naked-eye stereoscopic display system for pointing to backlight and lens array, including some back lighting modules and light source control module, and beam shaping Diffusion barrier layer, multiple lens arrays and the image-display units being stacked, the folding back lighting module includes some luminescence units and some reflective coatings, after the light beam that the luminescence unit sends incides the reflective coating, by the reflective coating once or once more than reflection, light path folding is realized, and is propagated near the direction of described image display unit；The light source control module is electrically connected with the back lighting module and described image display unit respectively.The side that luminescence unit in back lighting module is arranged on the naked-eye stereoscopic display system that the present invention is provided the close described image display unit of reflective coating is realized folding light path, such that it is able to reduce the thickness of naked-eye stereoscopic display system.
Description
Technical field
The invention belongs to bore hole stereoscopic display field, and in particular to a kind of collapsible bore hole for pointing to backlight and lens array
Three-dimensional display system.
Background technology
Free 3 D display technology is one kind of bore hole 3D Display Techniques.And free 3 D display technology mainly has 3 skills
Art school, respectively be based on visually impaired grating (Barrier) bore hole stereoscopic display technology, based on post lens (Lenticular)
Bore hole stereoscopic display technology, the bore hole stereoscopic display technology based on sensing backlight type.They are all to utilize principle of parallax, by inciting somebody to action
Right and left eyes image is delivered into right and left eyes respectively, and is merged in the brain, so as to make one to perceive steric information.
Wherein, the technology based on visually impaired grating (Barrier), the technology based on post lens (Lenticular) are current masters
The Nakedness-yet stereoscopic display method of stream.The two mainly passes through matched FBG/post lens and liquid crystal pixel, so as to realize left and right eye pattern
As the separation of light beam, but above-mentioned scheme can reduce the resolution ratio of image.
It is the direction propagation for first realizing light beam based on the bore hole stereoscopic display technology for pointing to backlight, reloads image information,
So as to realize the direction propagation of right and left eyes image light beam.This technology will not reduce image resolution ratio.But this technology is common in
The screen of small-medium size.As flat without the A of auxiliary 3 d display device CN 103605211, the technology needs to send out area source
The diverging light for going out, is first compressed into directional light.And the requirement of directional light so that the realization of optical system becomes complicated.Meanwhile, it is this
Structure based on single lens can cause that display volume is too big.If can further reduce volume using array structure thereof
Thickness, and by increasing beam spread film layer so that screen reaches uniform display.And for large-sized screen, particularly platform
Formula bore hole stereoscopic display technology, the display based on this technology is generally thicker, and optimal viewing position is limited at spy
Fixed distance.
The content of the invention
It is an object of the invention to provide it is a kind of it is collapsible point to backlight and lens array full resolution (it is full HD or
Ultra high-definition) naked-eye stereoscopic display system, to reduce the thickness based on the naked-eye stereoscopic display system for pointing to backlight technology.
Therefore, the invention provides a kind of collapsible naked-eye stereoscopic display system for pointing to backlight and lens array, including
Some folding back lighting modules and light source control module, and beam shaping Diffusion barrier layer, the lens array being stacked
Row and image-display units,
The folding back lighting module includes some luminescence units and some reflective coatings, the luminescence unit hair
After the light beam for going out incides the reflective coating, by the reflective coating once or once more than reflection, realize light
Road folds, and is propagated near the direction of described image display unit, and the light beam of the reflective coating reflection is by the light beam
After shaping Diffusion barrier layer carries out beam shaping, described image display unit is illuminated.
The light beam of the multiple back lighting module realizes that orientation is passed respectively by the multiple lens in the lens array
Broadcast, forming multiple bore hole 3D by the lens array, beam shaping Diffusion barrier layer and the image-display units that are stacked regards
Area.
The light source control module is electrically connected with the back lighting module and described image display unit respectively.
Further, the back lighting module is overall towards described image display unit in the projection of horizontal plane, to described
Image-display units are illuminated.
Further, the back lighting module is overall towards described image display unit in the projection of vertical plane, to described
Image-display units are illuminated.
Further, the pulsed light beam of the back lighting module output more than or equal to 100Hz, the pulsed light beam
Frequency Synchronization is in the image refreshing frequency of described image display unit.
Further, each described back lighting module at least includes the individually controllable luminescence unit of two bright dark states,
These luminescence units can be light emitting diode (LED), Organic Light Emitting Diode (OLED) etc..
Further, the back lighting module includes multiple reflective coatings, and the light beam that the luminescence unit sends is through described
Reflective coating multiple reflections are propagated near the direction of described image display unit backward.
Further, the lens array includes multiple lens, and the lens array corresponds to hair described at least two
Light unit.
Further, the lens are Fresnel Lenses, and the lens array is fresnel lens array.
Further, the fresnel lens array is adjusted with planar structure to the direction of propagation of light beam.
Further, the fresnel lens array is adjusted with the globoidal structure for bending to the direction of propagation of light beam.
Further, described image display unit alternately refreshes stereo-picture with the frequency more than or equal to 100 hertz.Institute
Light beam that luminescence unit sends is stated during described image display unit is penetrated with transmission mode, described image display unit
Load image information, and it is delivered to corresponding viewport space position.
Further, described image display unit can be LCD Panel (LCD), it is also possible to organic light emitting diode
(OLED) screen etc..
Further, the light source control module obtains the synchronizing signal of image refreshing from described image display unit, and
Luminescence unit described in Synchronization Control so that the luminescence unit with the rate-adaptive pacemaker illuminating bundle more than or equal to 100 hertz,
Wherein, the refreshing of the luminescence unit synchronization left-eye image signal of correspondence left eye, the luminescence unit synchronization of correspondence right eye
The refreshing of eye image signal.
Further, the beam shaping Diffusion barrier layer realizes strong diffusion to incident beam in the vertical direction, in level side
The weak extension less than 5 degree is realized upwards.
Further, also including Tracking Recognition module, for obtaining beholder's human eye or face in the position of viewport space, institute
Tracking Recognition module is stated to be connected with the light source control module.The identification and tracking module, can identify that beholder is regarding
Position in area space, it is possible to obtain the position data of human eye/face in real time, the light source control module passes through what is obtained
Position data, controls the state of the luminescence unit.
Compared with prior art, the beneficial effects of the present invention are：
The naked-eye stereoscopic display system of collapsible sensing backlight and lens array that the present invention is provided is by back lighting module
In luminescence unit be arranged on reflective coating close described image display unit side realize fold light path, such that it is able to subtract
The thickness of few naked-eye stereoscopic display system, and, luminescence unit can use common light source, without using directional light.
Further, the collapsible sensing backlight of present invention offer and the naked-eye stereoscopic display system of lens array are in difference
Position is set up in parallel multiple back lighting modules, realizes multiple different bore hole stereoscopic display viewing distances.In each viewing
Distance, each eye image resolution ratio to be received is full resolution, and maintains full HD or ultra high-definition level,
Realize a kind of relatively reliable, vision area expanding method for being quick on the draw, smoothing.
Brief description of the drawings
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the bore hole stereoscopic display system of the collapsible sensing backlight that first embodiment of the invention is provided and lens array
The structural representation of system.
Fig. 2 is the bore hole stereoscopic display system of the collapsible sensing backlight that second embodiment of the invention is provided and lens array
The structural representation of system.
Fig. 3 is the bore hole stereoscopic display system of the collapsible sensing backlight that third embodiment of the invention is provided and lens array
The structural representation of system.
Fig. 4 is the bore hole stereoscopic display system of the collapsible sensing backlight that four embodiment of the invention is provided and lens array
The structural representation of system.
Fig. 5 is the bore hole stereoscopic display system of the collapsible sensing backlight that fifth embodiment of the invention is provided and lens array
The structural representation of system.
Fig. 6 is the bore hole stereoscopic display system of the collapsible sensing backlight that sixth embodiment of the invention is provided and lens array
The structural representation of system.
In figure：
10：Back lighting module；11：Reflective coating；12：Luminescence unit；20：Beam shaping Diffusion barrier layer；30：Lens array
Row；40：Image-display units；50：Light source control module；60：Tracing of human eye identification module；70：Vision area；71：Left eye vision area；
72：Right eye vision area；81：Left eye；82：Right eye.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
The present invention will be described in detail to apply mode.It should be noted that in the case where not conflicting, presently filed embodiment and reality
Applying the feature in mode can be mutually combined.Elaborate many details in order to fully understand this hair in the following description
Bright, described implementation method is only a part of implementation method of the invention, rather than whole implementation methods.Based on the present invention
In implementation method, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Mode, belongs to the scope of protection of the invention.
Unless otherwise defined, all of technology used herein and science belong to the technology people of technical field of the invention
The implication that member is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to describe specific reality
Apply the purpose of mode, it is not intended that the limitation present invention.
In the various embodiments of the invention, it is not intended to limit the present invention for the ease of description, present patent application specification
In and claims in the term " connection " that uses be not limited to physics or machinery connection, or electrically
Connection, either directly still indirectly." on ", D score, "left", "right" etc. be only used for representing relative position relation, when
After being described the change of the absolute position of object, the relative position relation also correspondingly changes.
Fig. 1 is the bore hole stereoscopic display system of the collapsible sensing backlight that first embodiment of the invention is provided and lens array
The structural representation of system.As shown in figure 1, the collapsible naked-eye stereoscopic display system for pointing to backlight and lens array is including some
Folding back lighting module 10 and light source control module 50, and the beam shaping Diffusion barrier layer 20, lens being stacked
Array 30 and image-display units 40.
In the present embodiment, the folding pulsed light beam of the output of back lighting module 10 more than or equal to 100Hz,
The propagation of the light beam that the light beam of the output of back lighting module 10 is parallel to each other or the back lighting module 10 is exported is bent
Line is distributed for lambert's body.The folding back lighting module 10 includes some luminescence units 12 and some reflective coatings.
In one embodiment, described multiple back lighting modules 10, with a kind of entirety towards image-display units 40 stereochemical structure,
It is distributed in space, image-display units 40 is illuminated.In another embodiment, described multiple back lighting modules
10, with a kind of parallel structure, parallel is distributed in solid space.
After the light beam that luminescence unit 12 sends will be directly incident on reflective coating 11, by the one of described reflective coating 11
Secondary or once reflection above, realizes the folding of light path, and is propagated near the direction of described image display unit 40, described anti-
The light beam of the reflection of film layer 11 is penetrated after the beam shaping Diffusion barrier layer 20 carries out beam shaping, illumination described image display is single
Unit 40.In the present embodiment, the luminescence unit 12 is located at the one of the close described image display unit 40 of the reflective coating 11
Side, the luminescence unit 12 at least includes the individually controllable light emitting source of two bright dark states.These light emitting sources can be luminous two
Pole pipe (LED), Organic Light Emitting Diode (OLED) etc., two LED light sources correspond to left eye vision area 71 and right eye vision area 72 respectively.Hair
Light unit 12 launches illuminating bundle, and after being irradiated to reflective coating 11, illuminating bundle reflects, so as to realize the folding of light path
It is folded.Under the pattern of display stereopsis, the light beam that these luminescence units 12 send is nearly directional light to luminescence unit 12.In addition
It is the light beam of distribution curve flux approximate Lambertian body distribution, or the diverging light light beam being distributed in other in one embodiment.
Light beam to the direction of image-display units 40 by after reflection, propagating.The reflective coating 11 can be a kind of preceding table
Face speculum (Front surface mirror), or a kind of normal mirror.
The beam shaping Diffusion barrier layer 20 realizes strong diffusion to incident beam in the vertical direction, real in the horizontal direction
The now weak extension less than 5 degree.The light beam of the multiple back lighting module 10 is also by by the multiple in the lens array 30
Lens realize direction propagation respectively, pass sequentially through the beam shaping Diffusion barrier layer 20, lens array 30 and the figure being stacked
As display unit 40 forms multiple bore hole 3D vision areas.
The lens array 30 includes multiple lens, and the lens array corresponds to luminescence unit described at least two
12.In another embodiment, the lens of lens array 30 are Fresnel Lenses, and the lens array is Fresnel Lenses battle array
Row.In one embodiment, lens array 30 can be that a two-dimension plane structure is adjusted to the direction of propagation of light beam, or
Person's lens array 30 is adjusted with the globoidal structure for bending to the direction of propagation of light beam.Wherein, the lens array 30 shown in Fig. 1
Position with beam shaping Diffusion barrier layer 20 can be exchanged.Each lens in lens array, or fresnel lens array
In each fresnel lens array, all independent light source by corresponding luminescence unit 12 is imaged onto image space, shape
Into observation vision area 70.The vision area 70 that each lens or each fresnel lens array are formed needs strict coincidence.
Image-display units 40 are used to refresh solid figure sequence, and pattern displaying unit can be a liquid crystal display
(LCD) can also Organic Light Emitting Diode (OLED) screen etc..Image-display units 40 are preferably with 100 hertz or more of frequency
Alternately refresh sequence of stereoscopic images.The light beam that the luminescence unit 12 of back lighting module 10 sends is with transmission mode transmitted image
During display unit 40, described image display unit load image information, and it is delivered to the space bit of specific vision area 70
Put..
The light source control module 50 electrically connects with the back lighting module 10 and described image display unit 40 respectively
Connect.Light source control module 50 is used to obtain the synchronizing signal of image-display units 40, and controls luminescence unit with this Frequency Synchronization
12 so that luminescence unit 12 can be with the rate-adaptive pacemaker illuminating bundle more than or equal to 100 hertz.Wherein, correspondence left eye 81
The synchronous left-eye image signal of luminescence unit 12 refreshing, the brush of the synchronous eye image signal of luminescence unit 12 of correspondence right eye 82
Newly.When image-display units 40 refresh left-eye image signal, the Synchronization Control of light source control module 50 correspondence left eye lights
The refreshing of unit 12.When image-display units 40 refresh eye image signal, the Synchronization Control pair of light source control module 50
Answer the refreshing of the luminescence unit 12 of right eye 82.
In the present embodiment, luminescence unit 12 is arranged on the lower section of reflexed light film, the light that the luminescence unit 12 sends
After beam incides the reflective coating 11 upwards, it is reflected towards being close to described image display unit 40 by the reflective coating 11
Propagate in direction.It is anti-by the reflective coating 11 after the light beam that the luminescence unit 12 sends incides the reflective coating 11
Directive is propagated near the direction of described image display unit 40.The reflected beams will be incided in lens array 30, so as to realize light
Beam direction propagation in space, forms the viewing vision area 70 of stereo-picture in space.Light beam is by beam shaping diffusion barrier
Layer 20, realizes strong diffusion to light beam in vertical direction, realizes the Uniform Illumination to image-display units 40.Light beam is being propagated
During, image-display units 40 alternately refresh stereo pairs with a kind of refresh rate for being more than or equal to 100 hertz.Light
The refreshing frequency of the real-time image acquisition of source control module 50, and luminescence unit 12 is controlled with this Frequency Synchronization, determine luminescence unit
12 glow frequency and duration.
Fig. 2 is the bore hole stereoscopic display system of the collapsible sensing backlight that second embodiment of the invention is provided and lens array
The structural representation of system.It should be noted that in the range of spirit or essential characteristics of the invention, it is adaptable to which first implements
Each concrete scheme of mode can also accordingly suitable for second embodiment, for save space and avoid repeat for the sake of,
This is just repeated no more.As shown in Fig. 2 the position of luminescence unit 12 may be located at the top of reflective coating 11 and be shown near image
The side of unit 40, or positioned at the lower section of reflective coating 11 and near the side of image-display units 40.The luminous list
After the light beam that unit 12 sends incides downwards the reflective coating 11, it is reflected towards being close to described image by the reflective coating 11
Propagate in the direction of display unit 40.
Fig. 3 is the bore hole stereoscopic display system of the collapsible sensing backlight that third embodiment of the invention is provided and lens array
The structural representation of system.It should be noted that in the range of spirit or essential characteristics of the invention, it is adaptable to which first implements
Each concrete scheme of mode can also accordingly suitable for the 3rd implementation method, for save space and avoid repeat for the sake of,
This is just repeated no more.As shown in figure 3, the back lighting module 10 includes multiple reflective coatings, the luminescence unit 12 sends
Light beam propagated near the direction of described image display unit 40 backward through the multiple reflections of the reflective coating 11.In this embodiment party
The naked-eye stereoscopic display system of formula has 2 reflective coatings 11, and the light beam that luminescence unit 12 sends is in first reflective coating 11
After reflection, second reflective coating 11 is reflexed to again, realize the further folding to light path.The light that reflective coating 11 is reflected
Beam is propagated near the direction of described image display unit 40, realizes illumination image-display units 40.
Fig. 4 is the bore hole stereoscopic display system of the collapsible sensing backlight that four embodiment of the invention is provided and lens array
The structural representation of system.It should be noted that in the range of spirit or essential characteristics of the invention, it is adaptable to which first implements
Each concrete scheme of mode can also accordingly suitable for the 4th implementation method, for save space and avoid repeat for the sake of,
This is just repeated no more.As shown in figure 4, the collapsible backlight of pointing to includes multiple back of the body with the naked-eye stereoscopic display system of lens array
Optical illumination module 10 and light source control module 50, close described figure of each described luminescence unit 12 located at the reflective coating 11
As the side of display unit 40, beam shaping Diffusion barrier layer 20 is coordinated using multiple back lighting modules 10, realize light beam one
The diffusion of wide-angle in individual vertical direction, realizes the low-angle diffusion within 5 degree, so as to realize showing image in the horizontal direction
The Uniform Illumination of unit 40.Also, the light beam that each described luminescence unit 12 sends incides the corresponding institute of the luminescence unit 12
After stating reflective coating 11, the direction for being reflected towards being close to described image display unit 40 by the reflective coating 11 is propagated.
Additionally, in present embodiment, the collapsible sensing backlight also includes with the naked-eye stereoscopic display system of lens array
Tracking Recognition module 60, for obtaining beholder's human eye in the locus of vision area 70, it is possible to obtain human eye/face in real time
Position data.The tracing of human eye identification module 60 is connected with the light source control module 50, passes through obtained position data,
Control the state of luminescence unit 12.
Fig. 5 is the bore hole stereoscopic display system of the collapsible sensing backlight that fifth embodiment of the invention is provided and lens array
The structural representation of system.It should be noted that in the range of spirit or essential characteristics of the invention, it is adaptable to which first implements
Each concrete scheme of mode can also accordingly suitable for the 5th implementation method, for save space and avoid repeat for the sake of,
This is just repeated no more.As shown in fig. 6, the collapsible backlight of pointing to also includes human eye with the naked-eye stereoscopic display system of lens array
Tracking Recognition module 60, for obtaining position of beholder's human eye in the space of vision area 70, the tracing of human eye identification module 60 with
The light source control module 50 is connected.In present embodiment, naked-eye stereoscopic display system has multiple back lighting modules 10, institute
The projection that back lighting module 10 is stated in horizontal plane is overall towards described image display unit 40, with a kind of parallel parallelism structural
Be distributed in solid space, described image display unit 40 is illuminated.Additionally, described multiple back lighting modules 10
It is overall towards described image display unit 40 in the projection of vertical plane, described image display unit 40 is illuminated.
Fig. 6 is the bore hole stereoscopic display system of the collapsible sensing backlight that sixth embodiment of the invention is provided and lens array
The structural representation of system.It should be noted that in the range of spirit or essential characteristics of the invention, it is adaptable to which first implements
Each concrete scheme of mode can also accordingly suitable for the 6th implementation method, for save space and avoid repeat for the sake of,
This is just repeated no more.As shown in fig. 6, the collapsible backlight of pointing to also includes human eye with the naked-eye stereoscopic display system of lens array
Tracking Recognition module 60, for obtaining position of beholder's human eye in the space of vision area 70, the tracing of human eye identification module 60 with
The light source control module 50 is connected.Luminescence unit 12 is arranged on above or below reflexed light film, i.e., reflective coating 11 is upper
Side or lower section multiple LED light sources arranged side by side, and the left eye vision area 71 and right eye vision area 72 for being adapted to binocular viewing are formed in space.
The vision area for being formed is determined by the position of left eye 81 and right eye 82.And the position data of left eye 81 and right eye 82 by eye recognition and
Tracking module is asked for, so as to determine the light source of position that light.
The naked-eye stereoscopic display system of collapsible sensing backlight and lens array that the present invention is provided is by back lighting module
The side that luminescence unit 12 in 10 is arranged on the close described image display unit 40 of reflective coating 11 is realized folding light path, from
And the thickness of naked-eye stereoscopic display system can be reduced, and, luminescence unit 12 can use common light source, and without being formed
Directional light
Further, the collapsible sensing backlight of present invention offer and the naked-eye stereoscopic display system of lens array are in difference
Position is set up in parallel multiple back lighting modules 10, realizes multiple different bore hole stereoscopic display viewing distances.In each sight
Distance is seen, each eye image resolution ratio to be received is full resolution, and maintains full HD or ultra high-definition water
It is flat, realize a kind of relatively reliable, expanding method of vision area 70 for being quick on the draw, smoothing.
It should be understood that the invention is not limited in above-mentioned implementation method, it is every to various changes of the invention or modification not
Depart from the spirit and scope of the present invention, if these change and modification belong to claim of the invention and equivalent technologies scope it
Interior, then the present invention is also implied that comprising these changes and modification.
Claims (17)
1. a kind of collapsible naked-eye stereoscopic display system for pointing to backlight and lens array, it is characterised in that it includes：Some foldings
The back lighting module and light source control module of stacked, and beam shaping Diffusion barrier layer, lens array and the figure being stacked
As display unit；
The folding back lighting module includes some luminescence units and some reflective coatings, what the luminescence unit sent
After light beam incides the reflective coating, by the reflective coating once or once more than reflection, realize that light path is rolled over
It is folded, and propagated near the direction of described image display unit；The light beam of the reflective coating reflection is by the beam shaping
After Diffusion barrier layer carries out beam shaping, described image display unit is illuminated.
2. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：The light beam of the multiple back lighting module
Direction propagation is realized respectively by the multiple lens in the lens array, by the lens array, the light beam that are stacked
Shaping Diffusion barrier layer and image-display units form multiple bore hole 3D vision areas.
3. naked-eye stereoscopic display system as claimed in claim 2, it is characterised in that：The light source control module respectively with it is described
Back lighting module and described image display unit are electrically connected with.
4. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：The back lighting module is in horizontal plane
Projection is overall towards described image display unit, and described image display unit is illuminated.
5. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：The back lighting module is in vertical plane
Projection is overall towards described image display unit, and described image display unit is illuminated.
6. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：Back lighting module output be more than or
Person is equal to the pulsed light beam of 100Hz, and the Frequency Synchronization of the pulsed light beam is in the image refreshing frequency of described image display unit.
7. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：Each described back lighting module is at least wrapped
Include two individually controllable luminescence units of bright dark state.
8. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：The back lighting module includes multiple anti-
Film layer is penetrated, the light beam that the luminescence unit sends is through the reflective coating multiple reflections backward near described image display unit
Propagate in direction.
9. naked-eye stereoscopic display system as claimed in claim 1, it is characterised in that：The lens array is included by multiple saturating
Mirror, and the lens array corresponds to luminescence unit described at least two.
10. naked-eye stereoscopic display system as claimed in claim 9, it is characterised in that：The lens are Fresnel Lenses, described
Lens array is fresnel lens array.
11. naked-eye stereoscopic display systems as claimed in claim 10, it is characterised in that：The fresnel lens array is with plane
Structure is adjusted to the direction of propagation of light beam.
12. naked-eye stereoscopic display systems as claimed in claim 10, it is characterised in that：The fresnel lens array is bending
Globoidal structure the direction of propagation of light beam is adjusted.
13. naked-eye stereoscopic display systems as claimed in claim 1, it is characterised in that：Described image display unit with more than or
The frequency that person is equal to 100 hertz alternately refreshes stereo-picture, and the light beam that the luminescence unit sends is penetrating institute with transmission mode
During stating image-display units, described image display unit load image information, and it is delivered to corresponding viewport space position
Put.
14. naked-eye stereoscopic display systems as claimed in claim 14, it is characterised in that described image display unit is liquid crystal
Display screen curtain, or Organic Light Emitting Diode screen.
15. naked-eye stereoscopic display systems as claimed in claim 1, it is characterised in that：The light source control module is from the figure
Synchronizing signal as obtaining image refreshing in display unit, and luminescence unit described in Synchronization Control so that the luminescence unit with
Rate-adaptive pacemaker illuminating bundle more than or equal to 100 hertz, wherein, the luminescence unit synchronization left-eye image of correspondence left eye
The refreshing of signal, the refreshing of the luminescence unit synchronization eye image signal of correspondence right eye.
16. naked-eye stereoscopic display systems as claimed in claim 1, it is characterised in that：The beam shaping Diffusion barrier layer is to entering
Irradiating light beam in the vertical direction realizes strong diffusion, and the weak extension less than 5 degree is realized in the horizontal direction.
17. naked-eye stereoscopic display systems as claimed in claim 1, it is characterised in that：Also include Tracking Recognition module, for obtaining
Beholder's human eye or face are taken in the position of viewport space, the Tracking Recognition module is connected with the light source control module, institute
The human eye or face for stating the beholder that light source control module is obtained according to the Tracking Recognition module are controlled in the position of viewport space
Make the state of the luminescence unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107817609A (en) * | 2017-11-29 | 2018-03-20 | 北京眸合科技有限公司 | A kind of auto-stereo display system |
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| CN113156658A (en) * | 2021-02-09 | 2021-07-23 | 浙江大学 | Stereoscopic display system based on synchronous spatial light modulator |
| CN114114679A (en) * | 2021-11-26 | 2022-03-01 | 中山大学 | Depth-control directional illumination display system and method |
| WO2023155312A1 (en) * | 2022-02-17 | 2023-08-24 | 中山大学 | Polarized directional backlight naked-eye 3d display system |
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