CN101666915B - Auto-stereoscopic display device - Google Patents
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- CN101666915B CN101666915B CN200910190455.3A CN200910190455A CN101666915B CN 101666915 B CN101666915 B CN 101666915B CN 200910190455 A CN200910190455 A CN 200910190455A CN 101666915 B CN101666915 B CN 101666915B
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Abstract
The invention relates to an auto-stereoscopic display device which comprises two or more than two image displays, a pixel optical fiber screen and a pixel conduction optical fiber, wherein each image display device displays a sub-image with stereoscopic parallax, each image display is matched with a pixel optical fiber matching plate which disperses the sub-image into a plurality of pixel arrays along transverse direction; and the pixel conduction optical fiber is used for guiding the pixel arrays to the corresponding position of the pixel optical fiber screen, wherein one end of the pixel conduction optical fiber is led out from a pixel hole, and the other end thereof is fixed on the pixel optical fiber screen, the pixel arrays at the same position of each sub-image led to the pixel optical fiber screen are arranged sequentially, and the pixel optical fiber screen is also provided with an image separation optical grating. The auto-stereoscopic display device can control the display resolution and the freedom degree of watching stereo images simultaneously, and is the auto-stereoscopic display device which can display in large size.
Description
Technical field
The present invention relates to a kind of stereo-picture display technique, more particularly, relate to a kind of stereoscopic image display device, to allow user in certain angular field of view, only by bore hole, can watch stereo-picture.
Background technology
Stereo-picture display technique is a not only ancient but also advanced display technique, and it when right and left eyes is observed respectively identical picture material but had two images of different parallaxes, can produce three-dimensional visual effect according to the visual characteristic of human eye.A kind of conventional stereo-picture display technique wherein, be to utilize polarisation of light effect, with different polarized light output, require beholder must coordinate special polarization glasses two images, could between right and left eyes, produce respectively parallax, thereby produce corresponding subjective stereoscopic vision.This stereo display technique, must could realize by special glasses, uses the place of a lot of inconveniences, the user who particularly those is worn glasses, then to wear a pair of glasses be obviously a very uncomfortable way.
Along with the development of the correlation techniques such as high-quality plane display technique is perfect, what is called " free stereo (auto stereoscopic the display) " display technique of watching Shi Buxu to wear Special spectacles is also developed and obtains in recent years and develops rapidly, the ultimate principle of this free 3 D display technology is when carrying out image taking, to adopt more than two video cameras synchronously to take from different viewpoints, to obtain one group of double vision point or multi-view image with different parallax informations, when carrying out image demonstration, again the picture element matrix on display is divided into accordingly to staggered two or more sets sub-pixel matrixes in the horizontal direction, the subimage that shows a corresponding viewpoint with every group of sub-pixel matrix, the photoconduction by the separation of images grating with display screen precision-fit, the corresponding sub-image pixels of different points of view being sent is again to corresponding direction, beholder's eyes are watched respectively has the light that the subimage of different stereoscopic parallaxes sends, thereby generation stereoscopic vision.
Free 3 D display technology based on above principle, beholder need to just can watch comparatively desirable stereo-picture in specific position, " viewpoint " quantity that the number of these ad-hoc locations adopts with system is relevant, the number of views that system adopts is more, this ad-hoc location is just more, namely watch the scope of desirable stereo-picture larger, therefore, existing auto-stereoscopic display device is at least deposited defect both ways: one, watch the degree of freedom of stereo-picture and resolution and the brightness of the stereo-picture of watching to contradict, because watch scope as obtained wider stereo-picture, just must adopt more " viewpoint ", and it is limited at resolution and the display brightness of adopted display, be under the limited condition of pixel count and demonstration brightness of image, distributing to each viewpoint, to be used for the pixel count of the picture element matrix that shows corresponding subimage fewer, resolution and the brightness of image of the stereo-picture watched are lower, its two, shown stereo-picture size is limit by adopted display screen size, under present condition, generally adopt the flat-panel screens such as liquid crystal display or plasma display, and the screen size of these displays can only be accomplished tens inches now.
Summary of the invention
The technical problem to be solved in the present invention is, for prior art free 3 D display technology above-mentioned defect, a kind of auto-stereoscopic display device is provided, can takes into account display resolution and the degree of freedom of watching stereo-picture simultaneously, and the auto-stereoscopic display device can large scale showing.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of auto-stereoscopic display device, comprising:
Two or more image displays, described in each, image display shows a subimage with stereoscopic parallax, a pixel optical fiber matching disc of image display coupling described in each, described pixel optical fiber matching disc has pixel aperture matrix, described pixel aperture matrix comprises the pixel aperture row that multiple row is arranged along horizontal direction, each pixel aperture row comprises a plurality of pixel aperture, and described pixel optical fiber matching disc is laterally separated into a plurality of pixel columns by described subimage edge;
Pixel optical fibre screen, and for described pixel column being directed to the pixel conduction optical fiber of the opposite position of pixel optical fibre screen, described pixel conduction optical fiber one end is drawn by described pixel aperture, the other end is fixed on described pixel optical fibre screen, the pixel column that is directed to the every number of sub images same position of being positioned at of pixel optical fibre screen is arranged in order, and described pixel optical fibre screen also has separation of images grating.
In auto-stereoscopic display device of the present invention, described optical fiber matching disc comprises a substrate, offers described pixel aperture array on described substrate.
In auto-stereoscopic display device of the present invention, described pixel optical fiber matching disc comprises a plurality of optical fiber intermediate plates stacked together, and described in each, optical fiber intermediate plate offers described pixel aperture row.
In auto-stereoscopic display device of the present invention, described pixel aperture comprises a square-section section, a cylindrical cross-section section and connects described square-section section and the conical section of cylindrical cross-section section, and the inside surface of described pixel aperture is reflective surface.
In auto-stereoscopic display device of the present invention, described optical fiber matching disc also comprises the light-guiding pillar with described pixel aperture adaptation, described light-guiding pillar comprises one section of rectangular column, one section of cylinder and for connecting the conical section of rectangular column and cylinder, described cylindrical section and described pixel aperture are adaptive.
In auto-stereoscopic display device of the present invention, described pixel optical fibre screen has demonstration hole matrix, described demonstration hole matrix comprises the demonstration hole row that multiple row is arranged along horizontal direction, each shows that hole row comprise a plurality of demonstrations hole, described pixel conduction optical fiber one end is drawn by described pixel aperture, and the other end is introduced described demonstration hole.
In auto-stereoscopic display device of the present invention, described pixel optical fibre screen comprises a sheet material, offers described demonstration hole matrix on described sheet material.
In auto-stereoscopic display device of the present invention, described pixel optical fibre screen comprises a plurality of demonstration optical fiber intermediate plates stacked together, shows described in each and on optical fiber intermediate plate, offers described demonstration hole row.
In auto-stereoscopic display device of the present invention, the demonstration hole of adjacent demonstration hole row is interspersed.
In auto-stereoscopic display device of the present invention, described pixel optical fibre screen also comprises a light scattering layer, and described light scattering layer covers described demonstration hole matrix.
In auto-stereoscopic display device of the present invention, described separation of images grating is slit grating or column mirror grating.
In auto-stereoscopic display device of the present invention, described pixel optical fibre screen comprises a sheet material, offers the horizontal groove of multirow on described sheet material, for conducting the pixel conduction optical fiber of pixel column, is fixed in order the horizontal groove corresponding with it
Implement auto-stereoscopic display device of the present invention, there is following beneficial effect:
1, auto-stereoscopic display device of the present invention, each image display shows that the pixel of the image with stereoscopic parallax is all led to the contribution of pixel light screen to corresponding parallax subimage, do not exist a plurality of subimages with parallax to share the situation of the resolution of display, can guarantee the sharpness that image shows.
2, auto-stereoscopic display device of the present invention, the spacing in the demonstration hole of the demonstration hole matrix of pixel optical fibre screen can be made different size as required, also be that the size of pixel optical fibre screen can be done as required large or do littlely, can realize large-sized free stereo and show.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the principle schematic of auto-stereoscopic display device the first embodiment of the present invention;
Fig. 2 a is the structural representation of pixel optical fiber matching disc the first structure;
Fig. 2 b is A portion enlarged drawing in Fig. 2 a;
Fig. 3 is the cut-open view of pixel optical fiber matching disc;
Fig. 4 is the cut-open view of another angle of pixel optical fiber matching disc;
Fig. 5 is the structural representation of the second structure of pixel optical fiber matching disc;
Fig. 6 is the structural representation of optical fiber intermediate plate;
Fig. 7 is the structural representation of the third structure of pixel optical fiber matching disc;
Fig. 8 is the structural representation of the 4th kind of structure of pixel optical fiber matching disc;
Fig. 9 light guide column structure schematic diagram;
The structural representation of Figure 10 a monoblock type pixel optical fibre screen;
B portion enlarged drawing in Figure 10 b Figure 10 a;
Figure 11 is by the structural representation that shows the pixel optical fibre screen that optical fiber intermediate plate forms;
Figure 12 shows that hole is listed as the structural representation of the pixel optical fibre screen being interspersed;
Figure 13 is the structural representation with the pixel optical fibre screen of light scattering layer;
Figure 14 is the principle schematic of the second embodiment of auto-stereoscopic display device of the present invention;
Figure 15 is the displaying principle schematic diagram of the second embodiment of auto-stereoscopic display device of the present invention.
Embodiment
Auto-stereoscopic display device of the present invention comprises two or more image displays, described in each, image display shows a subimage with stereoscopic parallax, a pixel optical fiber matching disc of each image display coupling, this pixel optical fiber matching disc has pixel aperture matrix, pixel aperture matrix comprises the pixel aperture row that multiple row is arranged along horizontal direction, each pixel aperture row comprises a plurality of pixel aperture, and this pixel optical fiber matching disc is laterally separated into a plurality of pixel columns by display edge; This display device also comprises pixel optical fibre screen, and for pixel column being directed to the pixel conduction optical fiber of the opposite position of pixel optical fibre screen, described pixel conduction optical fiber one end is drawn by described pixel aperture, the other end is fixed on pixel optical fibre screen, the pixel column that is positioned at each image display same position that is directed to pixel optical fibre screen is arranged in order, this pixel optical fibre screen also has separation of images grating, for the separation of images of different parallaxes is come, make observer two soon to being two images with parallax.How below in conjunction with embodiment, introduce in detail auto-stereoscopic display device of the present invention realizes.
As shown in Figure 1, the first embodiment for auto-stereoscopic display device of the present invention, by two identical image display 1a, 1b, shown respectively the left and right two width subimages (can become respectively left image and right image) that have stereoscopic parallax, two image display 1a, 1b mate pixel optical fiber matching disc 2a, a 2b separately.Referring to Fig. 2 a and Fig. 2 b, pixel optical fiber matching disc 2a, 2b structure are identical, according to 2a, be the structure that example is introduced pixel optical fiber matching disc below, pixel optical fiber matching disc 2a has pixel aperture matrix, this pixel aperture matrix comprises the pixel aperture row 21 that multiple row is horizontal arranged, each pixel aperture row 21 comprises a plurality of pixel aperture 211, and pixel optical fiber matching disc 2a is laterally separated into a plurality of pixel columns by display 1a edge.Auto-stereoscopic display device of the present invention also comprises pixel optical fibre screen 3, and for described pixel column being directed to the pixel conduction optical fiber 4 of the opposite position of pixel optical fibre screen, conduction optical fiber 4 is directed to pixel optical fibre screen 3 opposite positions by the pixel column of image display, the pixel column that is positioned at each image display same position that is directed to pixel optical fibre screen 3 is arranged in order, same position refer to display by the pixel column after discrete the identical row of columns in picture element matrix, pixel conduction optical fiber one end is by pixel optical fiber coupling version 2a, in the pixel aperture of the pixel aperture matrix of 2b, draw, the other end is fixed on the correspondence position on pixel optical fibre screen 3.Pixel optical fibre screen 3 also has separation of images grating 31,
For principle of specification, if corresponding any 4 the contiguous pixels row sequence numbers in two image displays are i, i+1, i+2, i+3, by corresponding pixel conduction optical fiber, these pixel columns of left and right image are directed to the corresponding demonstration image column of pixel optical fibre screen and are made as respectively Ri, Ri+1, Ri+2, Ri+3 and Li, Li+1, Li+2, Li+3, and it is arranged on pixel optical fibre screen according to the order of Ri, Li, Ri+1, Li+1, Ri+2, Li+2, Ri+3, Li+3, the guide mode of other all pixel columns is identical therewith with arrangement mode, repeats no more.That is to say, by pixel, conduct the guide function of optical fiber, the left and right image that two image displays are shown respectively shines upon and is presented on same screen in the staggered mode of pixel column level, before pixel optical fibre screen, appropriate location arranges one for the separation of images grating of pixel column separation, appropriate location at this separation of images grating, equally spaced vertical or oblique unlatching has transmissive slit, make beholder's left eye can only see by the sight line of watching of each slit the light that the corresponding demonstration of left image hole row send, right eye can only see by the sight line of watching of each slit the light that the corresponding demonstration of right image hole row send, two subimages of watching respectively two width to there is parallax, thereby watch a secondary complete stereo-picture.
In the present embodiment, image display can be the image display of liquid crystal display, plasma display, front projection machine, rear-projection display device or other types.The pixel aperture matrix of the optical fiber matching disc adopting can be greater than, be less than or equal to the display pixel matrix of image display, generally, in order to improve the display resolution of obtained stereo-picture, the degree that can allow according to factors such as manufacturing technology level and system costs should improve the pixel aperture quantity that forms pixel aperture matrix as far as possible.
Owing to passing through this design, the row of two image displays are all guided and are arranged on pixel optical fibre screen by pixel fibre bundle, the actual displayed pixel count (being optical fiber pixel count) that makes to obtain on pixel optical fibre screen can be greater than the display pixel number of any image display, compare with traditional separation of images raster fashion that directly arranges on image display, can make the also corresponding increase of display resolution of the subimage of acquisition, thereby obtain high-resolution stereo-picture.
As shown in Figure 2 a and 2 b, structural representation for the first structure of pixel optical fiber matching disc, the size of pixel optical fiber matching disc can be designed to mate with the demonstration picture size of image display, comprise a substrate 20, this substrate 20 adopts suitable metal or the nonmetallic materials of thickness to make by mold pressing, the corresponding image conducting surface of pixel optical fiber matching disc equal intervals along horizontal and vertical direction, arrange pixel aperture matrix, the spacing of its pixel aperture can be determined by manufacturing technology level, and the diameter of pixel aperture should be slightly larger than the diameter of adopted pixel optical fiber.
Under the condition allowing in manufacturing process, should reduce the spacing of pixel aperture matrix on pixel optical fiber matching disc as far as possible, as shown in Figure 3, on the definite image conducting surface of pixel optical fiber matching disc, pixel aperture 211 is used for, by fiber optic conduction image, being called conducting region, part between pixel aperture 211 is non-conducting region 22, reduce through-hole spacing, can reduce the area of non-conducting region 22, to improve the efficiency of image conduction.
Under the condition allowing in manufacturing process, also should reduce the diameter of adopted pixel conduction optical fiber as far as possible, to increase the quantity of the pixel conduction optical fiber that can hold, improve the display resolution of device.
For ease of processing and manufacturing, also pixel optical fiber matching disc can be decomposed into the less unit of some same structures, then become required pixel optical fiber matching disc by less unit amalgamation.
The object of pixel optical fiber matching disc is set, the first is in order to allow all pixel conduction optical fiber assemble fibre bundle by the fixation of optical fiber matching disc, it two is by pixel optical fiber matching disc, strictly to retrain the geometric position of each root pixel conduction optical fiber, make strictly ordered arrangement of a large amount of pixel conduction optical fiber, be unlikely to because disorder that pixel conduction optical fiber puts in order causes conducted pixel and is mapped to the disorder of the pixel column on pixel optical fibre screen.
As shown in Figure 4, in actual fabrication, each root pixel conduction optical fiber 41 penetrates a pixel aperture 211 on the substrate 20 of pixel optical fiber matching disc, what make that the end face towards image display of pixel conduction optical fiber 41 coordinates with image display screen with pixel optical fiber matching disc faces together, and adopt gummed or other modes to be fixed, on pixel optical fiber matching disc, in all pixel aperture, all stick with pixel conduction optical fiber, after completing being connected of pixel optical fiber matching disc and pixel fibre bundle, adopt again suitable mechanical or bonding mode that pixel optical fiber matching disc is mated with the display screen laminating of image display, for the ease of pixel being conducted to optical fiber, insert through hole, in the pixel conduction optical fiber insertion end of each through hole, process the optic fibre guide portion 212 of " hydraucone " shape.If image display adopts front projection machine, image directly can be projected on pixel optical fiber matching disc, and projected image size is mated completely with the size of pixel aperture matrix on pixel optical fiber matching disc.
According to technical characterictic of the present invention, the pixel column of same position that is directed to the different images display of pixel optical fibre screen to be staggered on pixel optical fibre screen, pixel column for the ease of the combined sequence optical fiber pixel screen by predetermined, in the second structure of the pixel optical fiber matching disc shown in Fig. 5, pixel optical fiber matching disc 2 can adopt the superimposed formation of optical fiber intermediate plate 24, with an optical fiber intermediate plate 24 that has at a certain distance pixel aperture by direction as shown, all pixel conduction optical fiber of a pixel column of transmission are penetrated one by one to the through hole on a slice optical fiber intermediate plate 24 and adopt gummed or additive method to fix, again that the optical fiber intermediate plate 24 that installs pixel conduction optical fiber is superimposed according to predefined procedure, form and meet the pixel optical fiber matching disc 2 that intended pixel row put in order and require, and can simplify process for machining and manufacturing.
For ease of processing and manufacturing, also optical fiber intermediate plate can be decomposed into the less intermediate plate of some same structures, then become required optical fiber intermediate plate by less intermediate plate amalgamation.
In order to reduce or to eliminate non-conducting region as shown in Figure 3, improve the conduction efficiency of image, can adopt the optical fiber intermediate plate of structure as shown in Figure 6, the pixel aperture of its optical fiber intermediate plate 24 adopts special shape, towards image display screen one end, it is rectangular opening 241, for inserting one end of pixel optical fiber, it is circular hole 242, the slightly larger in diameter of circular hole 242 is in the diameter of pixel optical fiber, the length of side of rectangular opening 241 is greater than the diameter of circular hole 242, the length of side that preferred mode is rectangular opening equals the spacing of through hole, so that adjacent rectangular opening can " seamless spliced ", thereby the light that makes to send on image display screen can not lose and all enter rectangular opening, realize the maximization of pixel light conducting efficiency, between rectangular opening 241 and circular hole 242, by bellmouth 243 couplings, connect.
Fig. 7 is the schematic diagram of this kind of pixel optical fiber matching disc structure, show the inner structure in special pixel hole and the mounting means of pixel conduction optical fiber 41, by in pixel aperture at least the inside surface of rectangular opening 241 and bellmouth part 243 be processed into mirror reflection surface, pixel conduction optical fiber inserts circular hole 242, mate with circular hole 242 and adopt gummed or other modes to fix it, for the ease of pixel optical fiber is inserted to circular hole, in the pixel optical fiber insertion end of each circular hole, process the optic fibre guide portion 212 of " hydraucone " shape.The light that the pixel column that need to conduct sends enters each pixel aperture row, after the reflection through pixel aperture interior reflective surface, enters pixel conduction optical fiber 41.
Fig. 9 is for further improving the special light-guiding pillar 25 that optical fiber intermediate plate 24 designs, the profile of this light-guiding pillar is identical with the shape in aforementioned special pixel hole, be that one end is rectangular column 251, the other end is cylinder 252, between rectangular column 251 and cylinder 252, adopt tapered pole 253 transition to be connected, the length of side of the square-section of rectangular column 251 is greater than the diameter of cylinder 252, and the diameter of the diameter of cylinder 252 and pixel conduction optical fiber 41 is close or equate, light-guiding pillar 25 adopts glass or other transparent materials to make.
Fig. 8 is the schematic diagram of this kind of pixel optical fiber plate structure, adopt this special light-guiding pillar 25 to coordinate with the optical fiber intermediate plate 24 with simple pixel aperture shown in Fig. 4, from this optical fiber intermediate plate 24, towards image display one side, insert this special light-guiding pillar 25, from opposite side, insert pixel conduction optical fiber 41, and adopt respectively suitable mode to fix it, thereby form a kind of improved optical fiber intermediate plate 24, for the ease of pixel optical fiber and special light-guiding pillar are inserted to through hole, at the two ends of each through hole, process the guidance part 212 of " hydraucone " shape.The light that the display pixel that need to conduct sends enters each light-guiding pillar, after the total reflection through over-light-transferring pole inside surface, enters pixel conduction optical fiber.When making this optical fiber intermediate plate 24, need not process the through hole of aforementioned special shape and plate reflecting surface, can greatly reduce processing and manufacturing difficulty, the pixel optical fiber matching disc that adopts this optical fiber intermediate plate to combine also has good pixel conduction efficiency simultaneously.
As shown in Figure 10 a and Figure 10 b, pixel optical fibre screen of the present invention comprises a sheet material 30, on sheet material 30, be provided with the horizontal groove 301 of multirow, the height of horizontal groove 301 is more than or equal to the diameter of pixel conduction optical fiber 41, so that can being conveniently installed, pixel conduction optical fiber 41 is advisable, pixel conduction optical fiber during the pixel conduction optical fiber that each row pixel column is corresponding is listed as is inlaid into its corresponding horizontal groove 301 correspondence positions, pixel conduction optical fiber corresponding to pixel that for example in Fig. 1, the pixel column n of the subimage i of display 1a row is capable is fixed on Ri position in the horizontal groove that pixel optical fibre screen n is capable, all the other the like.
The inlay order of pixel conduction optical fiber in horizontal groove 301 is: in article one level, show that Kong Hangzhong inlays R and pixel conduction optical fiber corresponding to L picture element matrix the first row, order is R1, L1, R2, L2 ... in the horizontal groove of second, inlay the pixel optical fiber that R and L picture element matrix the second row are corresponding, order is R1, L1, R2, L2 ..., the like.
Figure 11 shows that the another kind of structural drawing of pixel optical fibre screen, whole sheet material 30 adopts the identical demonstration optical fiber intermediate plate 32 with the pixel unit of classifying as to be formed by stacking, each shows that optical fiber intermediate plate 32 vertically has demonstration hole 321 equally spacedly, this shows that hole 321 is through hole, the slightly larger in diameter of through hole is in the diameter of pixel optical fiber, for making shown left and right subimage horizontal direction consistent with the resolution of vertical direction, the vertical direction pitch of holes of through hole equals the twice of horizontal direction pitch of holes, shows that the thickness of optical fiber intermediate plate 32 is greater than the diameter of through hole.
Because the fine intermediate plate 32 of every a slice display light carries the pixel conduction optical fiber of a pixel column, the superimposed order of optical fiber intermediate plate be R1, L1, R2, L2, R3, L3 ..., the pixel optical fibre screen of complete thus.
For ease of processing and manufacturing, also can will show that optical fiber intermediate plate is decomposed into the less intermediate plate of some same structures, then become required demonstration optical fiber intermediate plate by less intermediate plate amalgamation.
Figure 12 shows that a kind of structure of improved pixel optical fibre screen 3, in this structure, in order to be increased in the pixel conduction optical fiber arranging density of horizontal direction, improve the display resolution of subimage, the demonstration Kong Liezhong adjacent two of the demonstration hole matrix of pixel optical fiber shows that hole is listed as by showing that hole is interspersed, arbitrary row show that the center line in the demonstration hole of hole row shows between the center line in hole in adjacent two of adjacent column, adjacent left and right (R, L) optical fiber intermediate plate 32, shows that the center line of hole 321L is between the center line of two adjacent demonstration hole 321R as described in Figure.
In order to coordinate this optical fiber arrangement structure, optical fiber intermediate plate is designed to the contour structures that matches with the vertical distribution of pixel optical fiber, then optical fiber intermediate plate is inlayed to superimposed formation optical fiber geometrical clamp mutually.
The superimposed order of optical fiber intermediate plate is identical with a upper embodiment.
For ease of processing and manufacturing, also optical fiber intermediate plate can be decomposed into the less intermediate plate of some same structures, then become required optical fiber intermediate plate by less intermediate plate amalgamation.
Pixel optical fibre screen in the present invention also can adopt the structure of similar pixel optical fiber matching disc, on a sheet material, offers demonstration hole matrix, then pixel is conducted to optical fiber and is inlaid in corresponding demonstration hole.
In order to increase the angle of visibility of shown stereo-picture, can adopt pixel optical fibre screen structure as shown in figure 13, exiting surface at pixel optical fibre screen 3 arranges a light scattering layer 33, the light sending from pixel conduction optical fiber bright dipping end is carried out after scattering through light scattering layer 33, increase the bright dipping range of scatter angles of light, thereby make shown stereo-picture there is wider visual range.
This light scattering layer 33 can adopt and is evenly mixed with the sheet of transparent material of scattering particle or becomes the sheet of transparent material of light scattering face to make at least one surface working wherein, and its size dimension can mate with pixel optical fibre screen.
In order to increase the angle of visibility of shown stereo-picture, also the light output end of pixel optical fiber can be processed into light scattering face, specific practice, after can or showing that optical fiber intermediate plate completes at (not with scattering layer) pixel optical fibre screen, the exiting surface of whole pixel optical fibre screen or demonstration optical fiber intermediate plate is carried out to roughening processing, thereby make the light output end of pixel optical fibre screen form light scattering face.
Adopt the present invention also can form multi-view auto stereoscopic display device, as shown in figure 14, auto-stereoscopic display device of the present invention is many kens auto-stereoscopic display device with 6 displays.
6 image displays are also converted to pixel column through pixel optical fiber matching disc 2 separately respectively, and the pixel conduction fibre bundle 4 by is separately sent to pixel optical fibre screen 3, the corresponding pixel column of each parallax subimage cycle arrangement according to the order of sequence on pixel optical fibre screen.
As shown in figure 14, if 6 parallax subimages are respectively P1, P2, P3, P4, P5, P6, with each parallax subimage corresponding i, i+1, i+2, i+3 pixel, classify example as, correspondingly on pixel optical fibre screen, be divided into i, i+1, i+2, i+3 optical fiber pixel cell, in each optical fiber pixel cell, according to the order of P1, P2, P3, P4, P5, P6, arrange accordingly optical fiber pixel column.
As shown in figure 15, by the pixel optical fibre screen 3 forming shown in Figure 11 a, mix separation of images grating 31, beholder's eyes are in illustrated position, right eye can only be seen the optical fiber pixel column under P1 by separation of images grating, left eye can only be seen the optical fiber pixel column under P2 by separation of images grating, because of the parallax between P1, P2, makes beholder produce stereoscopic vision.
Similarly, if transverse shifting human eye, be beholder in different horizontal viewing location, right and left eyes can be watched the anaglyph of P2 and P3, P3 and P4, P4 and P5, P5 and P6 respectively, thereby correspondingly watches the stereo-picture of taking from different points of view.
In auto-stereoscopic display device of the present invention for showing that the number of subimage display is not limited to the number of the display of above-described embodiment, can according to actual needs, select the display of suitable number.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, within these all belong to protection of the present invention.
Claims (8)
1. an auto-stereoscopic display device, is characterized in that, comprising:
Two or more image displays, described in each, image display shows a subimage with stereoscopic parallax, a pixel optical fiber matching disc of image display coupling described in each, described pixel optical fiber matching disc has pixel aperture matrix, described pixel aperture matrix comprises the pixel aperture row that multiple row is horizontal arranged, each pixel aperture row comprises a plurality of pixel aperture, and described pixel optical fiber matching disc is laterally separated into a plurality of pixel columns by described subimage edge;
Pixel optical fibre screen, and for described pixel column being directed to the pixel conduction optical fiber of the opposite position of pixel optical fibre screen, described pixel conduction optical fiber one end is drawn by described pixel aperture, the other end is fixed on described pixel optical fibre screen, the pixel column that is directed to the every number of sub images same position of being positioned at of pixel optical fibre screen is arranged in order, and described pixel optical fibre screen also has separation of images grating;
Described pixel optical fibre screen has demonstration hole matrix, and described demonstration hole matrix comprises the demonstration hole row that multiple row is horizontal arranged, and each shows that hole row comprise a plurality of demonstrations hole, and described pixel conduction optical fiber one end is drawn by described pixel aperture, and the other end is introduced described demonstration hole;
The demonstration hole of adjacent demonstration hole row is interspersed;
The pixel column of same position that is directed to the different images display of pixel optical fibre screen is staggered on pixel optical fibre screen.
2. auto-stereoscopic display device according to claim 1, is characterized in that, described optical fiber matching disc comprises a substrate, offers described pixel aperture array on described substrate.
3. auto-stereoscopic display device according to claim 1, is characterized in that, described pixel optical fiber matching disc comprises a plurality of optical fiber intermediate plates stacked together, and described in each, optical fiber intermediate plate offers described pixel aperture row.
4. according to the auto-stereoscopic display device described in claims 1 to 3 any one, it is characterized in that, described pixel aperture comprises a square-section section, a cylindrical cross-section section and connects described square-section section and the conical section of cylindrical cross-section section, and the inside surface of described pixel aperture is reflective surface.
5. according to the auto-stereoscopic display device described in claims 1 to 3 any one, it is characterized in that, described optical fiber matching disc also comprises the light-guiding pillar with described pixel aperture adaptation, described light-guiding pillar comprises one section of rectangular column, one section of cylinder and for connecting the conical section of rectangular column and cylinder, described cylindrical section and described pixel aperture are adaptive.
6. auto-stereoscopic display device according to claim 1, is characterized in that, described pixel optical fibre screen comprises a sheet material, offers described demonstration hole matrix on described sheet material.
7. auto-stereoscopic display device according to claim 6, is characterized in that, described pixel optical fibre screen also comprises a light scattering layer, and described light scattering layer covers described demonstration hole matrix.
8. auto-stereoscopic display device according to claim 1, it is characterized in that, described pixel optical fibre screen comprises a sheet material, offers the horizontal groove of multirow on described sheet material, for conducting the pixel conduction optical fiber of pixel column, is fixed in order the horizontal groove corresponding with it.
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|---|---|---|---|---|
| WO2011162037A1 (en) * | 2010-06-25 | 2011-12-29 | 富士フイルム株式会社 | Stereoscopic image playback device, stereoscopic image playback system, and stereoscopic image playback method |
| CN102062949A (en) * | 2010-11-03 | 2011-05-18 | 中航华东光电有限公司 | Free stereoscopic optical fiber display system |
| CN102157112A (en) * | 2011-04-07 | 2011-08-17 | 黑龙江省四维影像数码科技有限公司 | Seamless splicing separate LED free stereo display screen |
| WO2013029219A1 (en) * | 2011-08-26 | 2013-03-07 | Huang Juehua | Three-dimensional imaging method and device |
| JP2015503177A (en) * | 2011-10-12 | 2015-01-29 | コーニング インコーポレイテッド | Autostereoscopic display illumination device and autostereoscopic display device incorporating the same |
| US9651734B2 (en) | 2011-10-12 | 2017-05-16 | Corning Incorporated | Autostereoscopic display illumination apparatuses and autostereoscopic display devices incorporating the same |
| CN103869486B (en) * | 2014-03-11 | 2017-01-18 | 深圳市华星光电技术有限公司 | Integrated imaging three-dimensional (3D) display device and system |
| CN105182554B (en) * | 2015-10-30 | 2017-06-09 | 成都工业学院 | A kind of slit grating auto-stereoscopic display device and method based on double-display screen |
| CN105959674A (en) * | 2016-05-20 | 2016-09-21 | 京东方科技集团股份有限公司 | 3D display device and method |
| CN114512061A (en) * | 2020-11-16 | 2022-05-17 | 苏州矩阵光电有限公司 | Optical waveguide device, display device and preparation method |
-
2009
- 2009-09-17 CN CN200910190455.3A patent/CN101666915B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101666915A (en) | 2010-03-10 |
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