CN205428452U - Double vision display device - Google Patents
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- CN205428452U CN205428452U CN201620214210.5U CN201620214210U CN205428452U CN 205428452 U CN205428452 U CN 205428452U CN 201620214210 U CN201620214210 U CN 201620214210U CN 205428452 U CN205428452 U CN 205428452U
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Abstract
The utility model provides a double vision display device is provided. This double vision display device includes: display panel, including a plurality of pixels of array arrangement, a plurality of pixels include along going direction or along the first area of occurrence that is listed as the first image of demonstration that the direction set up in turn and the second area of occurrence that shows the second image, parallax barrier sets up display panel's light -emitting side just includes along the line direction or along being listed as direction a plurality of light zone and a plurality of light zone of hiding of setting in turn, light refracting element sets up parallax barrier's light -emitting side and with parallax barrier contacts, along the extending direction who passes through light zone extends, wherein the at least monogamy of a plurality of light zone of parallax barrier is one light refracting element, light refracting element covers the corresponding light zone that passes through completely. This double vision display device can reduce the angle that central authorities crosstalked and distinguish on guaranteeing to control the basis of visible angle.
Description
Technical field
Embodiment of the disclosure and relate to a kind of double vision display device.
Background technology
" double vision shows " refers to see from the diverse location of a display screen Display Technique of different images at synchronization.
As it is shown in figure 1, double vision display device mainly includes display floater 5 and is located at the light-splitting device of display floater 5 light emission side, it is, double vision device.Display floater 5 shows two dimensional image, and it is divided into multiple the first alternately arranged viewing area 51 and the second viewing area 52.This sentences " disparity barrier 91 (parallaxbarrier) " and illustrates as the object lesson of double vision device.As seen from the figure, disparity barrier 91 is made up of alternately arranged shading strip and light transmission strip, by disparity barrier 91, the first vision area 81 on the left of display floater 5 can only see a part (the most each first viewing area 51) for display floater 5, and the second vision area 82 on the right side of display floater 5 can only see another part (the most each second viewing area 52) of display floater 5, the first viewing area 51 and the second viewing area 52 then can be simultaneously viewed in crosstalk zone 83.
For existing double vision display device, left and right visible angle is the biggest, and central authorities crosstalk zone is the biggest.
Summary of the invention
Embodiment of the present utility model provides a kind of double vision display device, and it can reduce central authorities crosstalk zone, improve the double vision display effect of double vision display device on the basis of ensureing left and right visible angle.
A kind of double vision display device of offer is provided, including: display floater, including multiple pixels of array arrangement, the first viewing area of display the first image that the plurality of pixel is included in the row direction or is arranged alternately along column direction and the second viewing area of display the second image；Disparity barrier, is arranged on the light emission side of described display floater and includes in the row direction or multiple transparent areas of being arranged alternately along column direction and multiple shading region；Photorefractive element, it is arranged on the light emission side of described disparity barrier and contacts with described disparity barrier, bearing of trend along described transparent area extends, the corresponding described photorefractive element of at least one multiple transparent areas of wherein said disparity barrier, described photorefractive element is completely covered the transparent area of correspondence.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of disclosure embodiment, the accompanying drawing of embodiment will be briefly described below, it should be apparent that, the accompanying drawing in describing below merely relates to some embodiments of the disclosure, rather than restriction of this disclosure.
Fig. 1 is the illustrative diagram of a kind of double vision display device；
Fig. 2 is the schematic cross-section of the double vision display device that this utility model embodiment provides；
Fig. 3 is the schematic cross-section of the double vision display device that this utility model embodiment provides；
Fig. 4 is the schematic cross-section of the double vision display device that this utility model embodiment provides；
Fig. 5 is the index path that the visible angle of the double vision display device illustrating that this utility model embodiment provides expands；
Fig. 6 is the schematic diagram that the parameter of double vision display device that this utility model embodiment provides is chosen；
Fig. 7 is the schematic diagram that the parameter of double vision display device that this utility model embodiment provides is chosen；
Fig. 8 shows the index path having gap between disparity barrier and photorefractive element；
Fig. 9 is another schematic cross-section of the double vision display device that this utility model embodiment provides；And
Figure 10 is the flow chart of the manufacture method of the double vision display device that this utility model embodiment provides.
Detailed description of the invention
For making the purpose of disclosure embodiment, technical scheme and advantage clearer, below in conjunction with the accompanying drawing of disclosure embodiment, the technical scheme of disclosure embodiment is clearly and completely described.Obviously, described embodiment is a part of this disclosure embodiment rather than whole embodiments.Embodiment of the disclosure based on described, the every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, broadly fall into the scope of disclosure protection.
Unless otherwise defined, technical term used herein or scientific terminology have the ordinary meaning that the personage of general technical ability is understood in shoulding be this utility model art." first ", " second " and the similar word that use in the disclosure are not offered as any order, quantity or importance, and are used only to distinguish different ingredients.Equally, the similar word such as " ", " " or " being somebody's turn to do " does not indicates that quantity limits yet, but represents and there is at least one." include " or word that " comprising " etc. is similar means to occur that the element before this word or object are contained and occurs in the element of this word presented hereinafter or object and equivalent thereof, and be not excluded for other elements or object." connect " or word that " being connected " etc. is similar is not limited to physics or machinery connection, but electrical connection can be included, no matter be direct or indirectly.On " ", D score, "left", "right" etc. be only used for representing relative position relation, after the absolute position being described object changes, then this relative position relation is likely to correspondingly change.
At least one embodiment of the present utility model provides a kind of double vision display device.This double vision display device, including display floater, including multiple pixels of array arrangement, the plurality of pixel includes in the row direction or the first viewing area of display the first image of being arranged alternately along column direction and the second viewing area of display the second image；Disparity barrier, is arranged on the light emission side of described display floater and includes in the row direction or multiple transparent areas of being arranged alternately along column direction and multiple shading region；Photorefractive element, it is arranged on the light emission side of described disparity barrier and contacts with described disparity barrier, bearing of trend along described transparent area extends, the corresponding described photorefractive element of at least one multiple transparent areas of wherein said disparity barrier, described photorefractive element is completely covered the transparent area of correspondence.Double vision display device according to this utility model embodiment arranges photorefractive element by the transparent area corresponding to disparity barrier, and this photorefractive element is arranged against disparity barrier, relative to existing double vision display device, it can be in the case of not changing left and right visible angle, it is substantially reduced the angle of central authorities crosstalk zone, thus improve the double vision display effect of double vision display device, and the sight promoting beholder regards and experiences.
The double vision display device and the manufacture method thereof that there is provided this utility model embodiment below with reference to accompanying drawing are described in detail, so that the technical scheme of this utility model embodiment is clearer.
First embodiment
A kind of double vision display device 100 of offer is provided, as shown in Figure 2, double vision display device 100 includes: display floater 110, including multiple pixels 111 of array arrangement, including the first viewing area P1 and the second viewing area P2 of display the second image of display the first image in the row direction or being arranged alternately along column direction；Disparity barrier 120, is arranged on the light emission side of display floater 110 and includes in the row direction or multiple transparent areas 121 of being arranged alternately along column direction and multiple shading region 122；Photorefractive element 130, it is arranged on the light emission side of disparity barrier 120, the corresponding photorefractive element 130 of at least one multiple transparent areas 121 of disparity barrier 120, photorefractive element 130 contacts with disparity barrier 120, photorefractive element 130 is completely covered the transparent area 121 of correspondence, and photorefractive element 130 extends along the bearing of trend of transparent area 121.
Exemplarily, each photorefractive element is protruded towards described light emission side, so that be refracted by the light of photorefractive element and make central authorities crosstalk zone reduce.
Exemplarily, the quantity of photorefractive element 130 is multiple, multiple photorefractive element 130 and multiple transparent areas 121 one_to_one corresponding of described disparity barrier 120.
Exemplarily; multiple transparent areas 121 for disparity barrier 120; can be with only one or multiple; it is, a part has photorefractive element 130 the most one to one, namely; all transparent area 121 does not all have corresponding photorefractive element; this is also in the protection domain of this utility model embodiment, although such display effect may be the poorest, but also can reduce central authorities crosstalk zone.
Exemplarily, each transparent area 121 can have a photorefractive element 130 of correspondence, or, two or more transparent areas 121 can correspond to a photorefractive element 130, those skilled in the art can select according to practical situation, and this is not defined by embodiment of the present utility model.
Succinct in order to illustrate, Fig. 2 illustrate only a photorefractive element 130, but each transparent area 121 can be both provided with a corresponding photorefractive element 130, and the photorefractive element 130 of this correspondence is completely covered the transparent area of correspondence, in the region in addition to transparent area, not there is between photorefractive element 130 and disparity barrier 120 gap, if photorefractive element is to use sticker to be attached to disparity barrier certainly, the thickness of glue is negligible in this manual, and is considered as the most very close to each other.
It should be noted that the line direction in this specification refers to be parallel to the direction of horizontal plane, such as, the width of display floater, column direction refers to vertical direction, such as, and the short transverse of display floater.Such as, shown in Fig. 2 it is, show that the first viewing area of the first image and the second viewing area of display the second image are the pixel columns arranged in the row direction, here, first viewing area and the second viewing area can be pixel column can also be sub-pix row, the first and second viewing areas include that the quantity of pixel column or sub-pix row can be more than or equal to 1；Accordingly, show that the first viewing area of the first image and the second viewing area of display the second image can also be pixel column or sub-pix row, then the first viewing area and the second viewing area are arranged alternately along column direction, first and second viewing areas include that the quantity of pixel column or sub-pix row can be more than or equal to 1, and this is not defined by embodiment of the present utility model.
Accordingly, in the case of the second viewing area of the first viewing area of display the first image and display the second image is arranged alternately in the row direction, for light splitting, then transparent area and the shading region of disparity barrier extends in a column direction and is arranged alternately in the row direction；In the case of the second viewing area of the first viewing area of display the first image and display the second image is arranged alternately along column direction, transparent area and the shading region of disparity barrier extend in the row direction and are arranged alternately along column direction.Showing that the first viewing area of the first image is consistent with the arranged direction of shading region with the transparent area of disparity barrier with the arranged direction of the second viewing area of display the second image, the first viewing area is parallel with the bearing of trend of shading region and transparent area with the bearing of trend of the second viewing area.
For convenience of description, shown in Fig. 2: the first viewing area and the second viewing area all include a pixel column, but it will be apparent to those skilled in the art is, embodiment of the present utility model is not limited to this, can select according to practical situation, two or more pixel columns, or one, two or more pixel columns can be included.
Exemplarily, in embodiment of the present utility model, each photorefractive element can include two or more part, each photorefractive element is spliced to form along the bearing of trend of photorefractive element by two or more parts, or, each photorefractive element is spliced to form along the direction of the bearing of trend being perpendicular to photorefractive element by two or more parts, and this is not defined by embodiment of the present utility model.
It should be noted there that light emission side refers to display surface side.
Such as, in the double vision display device 100 that the disclosure one embodiment provides, photorefractive element 130 extends along the bearing of trend of the transparent area of disparity barrier, in the cross section taken along the bearing of trend being perpendicular to photorefractive element 130, the cross sectional shape of photorefractive element is all identical, such as, photorefractive element 130 can be the column convex lens of the bearing of trend extension along transparent area, as shown in Figure 3, photorefractive element is protruded towards the light emission side of double vision display device, and the projecting surface of this column convex lens is the part on the face of cylinder.
Exemplarily, interval can be had between multiple photorefractive element, this interval can arrange connecting portion, described connecting portion is the lamellar of uniform flat and completely attaches to described shading region, this connecting portion can be integral with photorefractive element, or can separate with photorefractive element, contact photorefractive element and jointly attach to the shading region of disparity barrier 130 with multiple photorefractive element, for illustrative simplicity, accompanying drawing not show that the connecting portion between multiple photorefractive element.
Also, it should be noted in the case of the width of the shading region of disparity barrier is the least, may not have interval between the photorefractive element arranged corresponding to each transparent area, this is also in the protection domain of this utility model embodiment.
Exemplarily, multiple photorefractive element can have identical width or different width；Can have identical height；Multiple refracting elements can be disposed at equal intervals, or adjacent photorefractive element can have different intervals, and this is not defined by embodiment of the present utility model, and those skilled in the art can select according to actual needs and suitably.
Such as, multiple photorefractive element each can be prism, the column convex lens shown in Fig. 3 or the toroidal lens extended along the bearing of trend of transparent area, wherein the face with disparity barrier laminating of photorefractive element is plane, namely, the face relative with disparity barrier of photorefractive element is plane, the protrusion side surface of this toroidal lens is irregularly shaped, and such as, the cross sectional shape of the bearing of trend being perpendicular to photorefractive element can be an oval part etc. in light emission side.Fig. 4 shows an example of toroidal lens, and as shown in Figure 4, the raised face as the light emission side of the toroidal lens of photorefractive element is irregular raised face.
Such as, each of multiple photorefractive element 130 being formed as prism can be triangular prism, tetragonal prism, pentagonal prism etc., here, surface with disparity barrier laminating, one of cylinder that face is prism of disparity barrier faced by it is, remaining cylinder of prism is for reflecting light.
Here, triangular prism difficulty of processing is low, it is easy to manufacture, and placing height requires that low and unrestricted in the movement watching beholder at a distance and the closely or mobile display effect brought changes less.
Exemplarily, the face in the face of disparity barrier 120 of photorefractive element contacts with disparity barrier and the width in this face is more than or equal to the width of transparent area 121 and less than a transparent area 121 and the width sum of two shading regions 122.Such as, in the double vision display device 100 that the disclosure one embodiment provides, the centrage in the face in the face of disparity barrier 120 of photorefractive element can be overlapping with the centrage of corresponding transparent area 121.On the centrage of the transparent area being centrally disposed in its correspondence of triangular prism.So, double vision display device is obtained in that good display effect, and the beholder laying respectively at two viewing areas can obtain roughly the same visual experience, thus promotes the visual effect of double vision display device.
Such as, as shown in Figure 2 and Figure 5, the face of disparity barrier 120 faced by triangular prism, namely, bottom surface contacts with disparity barrier and the width S of bottom surface is more than or equal to the width of transparent area 121 and less than a transparent area 121 and the width sum of two shading regions 122, and each triangular prism covers a transparent area.Correspondingly, the face of disparity barrier 120 faced by triangular prism, it is, the centrage of bottom surface can be overlapping with the centrage of corresponding transparent area 121.So, double vision display device is obtained in that good display effect, and the beholder laying respectively at two viewing areas can obtain roughly the same visual experience, thus promotes the visual effect of double vision display device.
It should be noted that the width of photorefractive element refers to the width on the bearing of trend being perpendicular to transparent area in the face in the face of disparity barrier, such as, for triangular prism, width here refers to the width of bottom surface.
Exemplarily, in the double vision display device 100 that the disclosure one embodiment provides, triangular prism can be isoceles triangle prism, as it is shown in figure 5, two limits forming drift angle d are equal.Use isoceles triangle prism, double vision display device has good symmetry, the first viewing area and the second viewing area that are positioned at display device left and right sides are the most symmetrical, the beholder laying respectively at two viewing areas can obtain identical visual experience, thus promote the visual effect of double vision display device, and isoceles triangle prism is easily fabricated such that it is able to reduce manufacturing cost.
Exemplarily, the drift angle d according to the triangular prism of this utility model embodiment can be in the range of 70 °-160 °.
Such as, in the double vision display device 100 that the disclosure one embodiment provides, interval body 140 it is additionally provided with between disparity barrier 120 and display floater 110, as it is shown in figure 5, the thickness h of interval body 140 is substantially equal to the spacing between disparity barrier 120 and display floater 110.
Such as, in the double vision display device 100 that the disclosure one embodiment provides, interval body 140 and photorefractive element 130 have identical refractive index.
Such as, in the double vision display device 100 that the disclosure one embodiment provides, interval body 140 and photorefractive element 130 can use identical material, and such as, glass etc. forms as one.
It should be noted that the material making interval body and photorefractive element includes but are not limited to glass, it is also possible to for other light transmissive material.
Such as, in the double vision display device 100 that the disclosure one embodiment provides, multiple photorefractive element 130 are of the same size, and have identical height and width, highly referring to the size of the bearing of trend along transparent area, width refers to the size along the bearing of trend being perpendicular to transparent area.The light transmitted from each photorefractive element so can be made to have higher concordance, and display effect is preferable.
In double vision display device according to this utility model embodiment, by the photorefractive element that against disparity barrier arrange corresponding relative to the offer of each transparent area of disparity barrier, relative to existing double vision display device, it can be in the case of not changing left and right visible angle, it is substantially reduced the angle of central authorities crosstalk zone, thus improve the double vision display effect of double vision display device, and the sight promoting beholder regards and experiences.
How 2 reduce central authorities crosstalk zone and be described in detail the double vision display device according to this utility model embodiment below in conjunction with the accompanying drawings.
nullIn fig. 2，AB、CD、EF corresponds respectively to show the second viewing area P2 of the second image、Show the first viewing area P1 and the second viewing area P2 of the first image，Where the dotted line signifies that is not provided with photorefractive element，Namely，The light not occurring to reflect and directly penetrate，Solid line represents the light that refraction occurs through photorefractive element，Solid line RL1 and LL1 is respectively the edge C from the first viewing area P1 and the light of D injection，Solid line RL2 and LL2 is respectively the light penetrated from edge E and F of the second viewing area P2，Solid line RL2 ' is corresponding to the light from the right hand edge B outgoing of the second viewing area P2，Solid line LL1 ' is corresponding to the light from the left hand edge G outgoing of the first viewing area P1，Dotted line Bb、Cc、Dd、Ee、Ff and Gg is the edge B from viewing area、C、D、E、F、The light of G outgoing.
During from Figure 2 it can be seen that refraction does not occurs, doc is the visual field of the first viewing area CD, and fme is the visual field of the second viewing area EF, and the region between the overlapping region of the two, i.e. de is central authorities crosstalk zone；And after reflecting, region between RL1 and LL1 is the visual field of the first viewing area CD, region between RL2 and LL2 is the visual field of the second viewing area EF, and the overlapping region of the two, i.e., region between RL1 and LL2 is central authorities crosstalk zone, it is obvious: the region between de is significantly greater than the region between RL1 and LL2, it can be seen that, by arranging photorefractive element corresponding to transparent area, central authorities crosstalk zone is significantly reduced, and left and right visible angle does not significantly change.
Being to be illustrated as a example by triangular prism in Fig. 2, for the photorefractive element of other forms, by arranging photorefractive element corresponding to transparent area, also being able to of central authorities crosstalk zone is reduced.Fig. 5 gives graphical representation of exemplary, as shown in Figure 5, before being not provided with column convex lens, central authorities crosstalk zone is aob, and after being provided with column convex lens, central authorities crosstalk zone is mon, hence it is evident that visible: after arranging column convex lens, central authorities crosstalk zone is substantially reduced, and left and right visible angle does not significantly change.
And, for embodiment of the present utility model, by making photorefractive element arrange against disparity barrier, compared to having spaced situation between photorefractive element and disparity barrier on light direction, central authorities crosstalk zone can be further improved, and eliminates the dull thread district having on light direction between photorefractive element and disparity barrier in the case of interval.
Illustrate below in conjunction with Fig. 8, Fig. 8 gives has spaced situation on light direction between photorefractive element and disparity barrier, as shown in Figure 8, between disparity barrier 120 and photorefractive element 130, there is clearance G, region between ef, light from pixel P1 is totally reflected by the side of the triangular prism on right side, thus does not has light to enter the glasses of beholder, so there is dull thread district.
Further, compared with situation about arranging against disparity barrier with photorefractive element, finding by carrying out light translation, in the case of having interval between photorefractive element and disparity barrier, central authorities crosstalk zone significantly increases.
Illustrate in order to the parameter of the photorefractive element according to this utility model embodiment is arranged with triangular prism below in conjunction with Fig. 2, Fig. 6 and Fig. 7.
With reference to Fig. 2, the crosstalk angle of CA central authorities crosstalk zone in Fig. 2, VA is the visible angle of double vision display device 100 and visible angle scope is 35 °-75 °, such as, can be 45 °, VL is perpendicular to the straight line of disparity barrier, and the light of the left hand edge E outgoing taking the second viewing area EF in Fig. 2 obtains Fig. 6, takes the light B of the right hand edge outgoing of the second viewing area AB in Fig. 2 and obtains Fig. 7.
With reference to Fig. 6, according to the law of refraction, geometric knowledge and trigonometric function knowledge, relationship below can be obtained:
nsin(a2)=sin (a3)；
a6=a4+a2=90 ° of-a1；
a2+a5=90 °；
By obtaining above:And then obtain relational expression:
With reference to Fig. 7, according to the law of refraction, geometric knowledge and trigonometric function knowledge, relationship below can be obtained:
c6=90 ° of-c1；
c2+c5+c6=90 °；
nsin(c2)=sin (c3)；
By obtaining above: And then obtain relational expression:
From Fig. 2, Fig. 6 and Fig. 7, the crosstalk angle CA=90 °-a of central authorities crosstalk zone3-a4, left or right visible angle VA=a3+a4-c4, formula derived above is brought into, can obtain:
Wherein a is the width of transparent area 121, p is the width of each pixel 111 of display floater 110, m is the width of the black matrix of display floater 110, d is the drift angle of triangular prism, h is the spacing between disparity barrier 120 and display floater 110, n is the refractive index of photorefractive element 130, and the drift angle d of triangular prism is the angle making crosstalk angle minimum in the range of visible angle.
Exemplarily, the drift angle d according to the triangular prism of this utility model embodiment can be in the range of 70 °-160 °.
For double vision display device, it is desirable that: visible angle maximum and simultaneously crosstalk angle are minimum, but for triangular prism, be likely difficult to meet simultaneously: visible angle maximum and simultaneously crosstalk angle minimum, therefore, for the triangular prism according to this utility model embodiment, so that the value of its drift angle d makes crosstalk angle minimum in the range of the visible angle of double vision display device, thus the double vision display device of the triangular prism with this parameter is used to be obtained in that preferable double vision display effect.
For another parameter base width S of triangular prism, it meets such condition: base width S is more than or equal to the width of transparent area 121 and less than a transparent area 121 and the width sum of two shading regions 122.
Such as, for the triangular prism according to this utility model embodiment, as a example by the transverse screen display floater of 7 cun: 1280*800 pixel, for not providing the double vision display device of photorefractive element, when left/right visual angle is 50 °, the angle of central authorities crosstalk zone is 20 °；And for being provided with the double vision display device of photorefractive element according to this utility model embodiment, wherein the drift angle of triangular prism is 140 °, when left/right visual angle is 54.6 °, the angle of central authorities crosstalk zone is reduced to 8.3 °.As can be seen here, according to the double vision display device of this utility model embodiment, it is possible to while promoting visual angle, left and right, the angle of central authorities crosstalk zone is reduced.
For the photorefractive element in addition to triangular prism form, the choosing of its parameter is referred to the example of above triangular prism and carries out similar analysis, for sake of simplicity, this is not described in detail by this specification.
Second embodiment
A kind of double vision display device 200 that the present embodiment also provides for, as shown in Figure 9, it is in place of second embodiment and the difference of first embodiment, interval body 240 has gap 250 at transparent area 221 with photorefractive element 230 on the light direction of display light, and the thickness in gap 250 is equal to the thickness of disparity barrier 220.
Such as, the thickness in gap 250 might be less that the thickness of disparity barrier 220.
Such as, in the double vision display device 200 that the disclosure one embodiment provides, having connecting portion 260 between the arbitrary neighborhood of multiple photorefractive element 230 two, connecting portion 260 is the lamellar of uniform flat and completely attaches to shading region 222.
Such as, photorefractive element 230 can be integrally formed with connecting portion 260.Multiple photorefractive element 230 are connected as an entirety by connecting portion 260, or can separate with photorefractive element 230, contact photorefractive element 230 and jointly attach to the shading region of disparity barrier 130 with multiple photorefractive element, such as during the multiple photorefractive element of attaching 230 to disparity barrier 220, only need to carry out the alignment of transparent area 222 in unirefringence element 230 and disparity barrier 220, facilitate the making of double vision display device.
The other parts of the present embodiment are referred to the related content in first embodiment, and repeating part does not repeats them here.
3rd embodiment
The present embodiment additionally provides the manufacture method of the double vision display device described in first embodiment or the second embodiment, as shown in Figure 10, the manufacture method of this double vision display device includes: prepare display floater, display floater includes multiple pixels of array arrangement, and multiple pixels include in the row direction or the first viewing area of display the first image of being arranged alternately along column direction and the second viewing area of display the second image；Disparity barrier is arranged on the light emission side of display floater, and disparity barrier includes in the row direction or multiple transparent areas of being arranged alternately along column direction and multiple shading region；Manufacture photorefractive element and provide the light emission side at described disparity barrier by described photorefractive element, wherein said photorefractive element contact with described disparity barrier and along described transparent area bearing of trend extend, the corresponding described photorefractive element of at least one multiple transparent areas of described disparity barrier, described photorefractive element is completely covered the transparent area of correspondence.
Exemplarily, the quantity of described photorefractive element is multiple, the plurality of photorefractive element and multiple transparent area one_to_one corresponding of described disparity barrier.
Exemplarily, the quantity of photorefractive element is multiple, multiple photorefractive element and multiple transparent area one_to_one corresponding of described disparity barrier.
Exemplarily; multiple transparent areas for disparity barrier; can be with only one or multiple; it is, a part has photorefractive element the most one to one, namely; all transparent area does not all have corresponding photorefractive element; this is also in the protection domain of this utility model embodiment, although such display effect may be the poorest, but also can reduce central authorities crosstalk zone.
Exemplarily, each transparent area can have a photorefractive element of correspondence, or, two or more transparent areas can correspond to a photorefractive element, those skilled in the art can select according to practical situation, and this is not defined by embodiment of the present utility model.
For sake of simplicity, the structure identical with first embodiment and the second embodiment and parts will not be repeated again here, manufacture method is mainly described.
Exemplarily, each photorefractive element is protruded towards described light emission side, so that be refracted by the light of photorefractive element and make central authorities crosstalk zone reduce.
Exemplarily, in the manufacture method of the double vision display device of the present embodiment offer, photorefractive element can be triangular prism, manufactures photorefractive element and comprises determining that the bottom width of triangular prism and determine the drift angle of triangular prism.
Such as, in the manufacture method of the double vision display device of the present embodiment offer, determine that the bottom width of triangular prism includes: determine that bottom width makes bottom width be more than or equal to the width of described transparent area and less than a described transparent area and the width sum of two described shading regions according to the width of transparent area；Determine that the drift angle of triangular prism includes: according to the width of each pixel of display floater and the width of black matrix, disparity barrier the width of transparent area, disparity barrier and display floater between spacing and in the range of visible angle, under conditions of the crosstalk angle minimum of the central crosstalk zone of double vision display device, determine the drift angle of triangular prism.
Such as, in the manufacture method of the double vision display device of the disclosure one embodiment offer, the width of each pixel according to display floater and the width of black matrix, disparity barrier the width of transparent area, disparity barrier and display floater between spacing and in the range of visible angle, under conditions of the crosstalk angle minimum of the central crosstalk zone of double vision display device, determine that the drift angle of triangular prism includes:
Utilize relationship below:
Determine the drift angle of triangular prism thus in the range of the visible angle of double vision display device, make the crosstalk angle minimum of central authorities crosstalk zone, wherein VA is the visible angle of double vision display device and visible angle scope is 35 °-75 °, such as, can be 45 °, CA is the crosstalk angle of the central crosstalk zone of double vision display device, a is the width of transparent area, p is the width of each pixel of display floater, m is the width of the black matrix of display floater, d is the drift angle of triangular prism, h is the spacing between disparity barrier and display floater, and n is the refractive index of photorefractive element.
Exemplarily, the drift angle d according to the triangular prism of this utility model embodiment can be in the range of 70 °-160 °.
Such as, in the manufacture method of the double vision display device of the disclosure one embodiment offer, manufacture photorefractive element and provide the light emission side at described disparity barrier to may include that photorefractive element manufacture obtained is attached to the light emission side of disparity barrier described photorefractive element.
Exemplarily, multiple photorefractive element can manufacture respectively, then corresponds respectively to each transparent area and attaches to the light emission side of disparity barrier, and attaching when, the centrage of each photorefractive element can overlap with the centrage of transparent area.
Alternatively, multiple photorefractive element can be integrally formed with the connecting portion between adjacent photorefractive element, when so fitting, only need to be by the centrage of the transparent area of the centrage alignment middle position of the photorefractive element of middle position, thus the photorefractive element of other positions and transparent area align naturally, so make attaching get up easier, and error can be reduced, it is easy to manufacture.
For connecting photorefractive element and disparity barrier by attaching, at transparent area, gap it is likely to be of between disparity barrier and interval body, gap can be filled with air, or if attachment process is carried out in a vacuum, gap is vacuum gap, but, owing to gap is the least, this has no effect on photorefractive element and reduces the effect of central authorities crosstalk zone.
Such as, in the manufacture method of the double vision display device of the disclosure one embodiment offer, manufacture photorefractive element and photorefractive element provides the light emission side at disparity barrier may include that coating light-sensitive emulsion on disparity barrier；Utilize pressing mold compacting light-sensitive emulsion and light-sensitive emulsion is carried out illumination curing；Remove pressing mold.
The double vision display device so manufactured, when applying light-sensitive emulsion on disparity barrier, also can be coated to transparent area, thus not have gap between transparent area, disparity barrier and interval body.
Double vision display device according to this utility model embodiment, in this double vision display device, at least one multiple transparent areas of disparity barrier are to there being a photorefractive element, this photorefractive element contacts with disparity barrier, corresponding transparent area is completely covered and the bearing of trend along described transparent area extends, by the transparent area corresponding to disparity barrier, photorefractive element is set, and this photorefractive element is arranged against disparity barrier, relative to existing double vision display device, it can be in the case of not changing left and right visible angle, it is substantially reduced the angle of central authorities crosstalk zone, thus improve the double vision display effect of double vision display device, and the sight promoting beholder regards and experiences.
The above; it is only the detailed description of the invention of the disclosure; but the protection domain of disclosure embodiment is not limited thereto; any those familiar with the art is in the technical scope that disclosure embodiment discloses; change can be readily occurred in or replace, all should contain within the protection domain of disclosure embodiment.
Claims (17)
1. a double vision display device, it is characterised in that including:
Display floater, including multiple pixels of array arrangement, the plurality of pixel includes in the row direction or the first viewing area of display the first image of being arranged alternately along column direction and the second viewing area of display the second image；
Disparity barrier, is arranged on multiple transparent areas and multiple shading region that the light emission side of described display floater and including along described line direction or is arranged alternately along described column direction；
Photorefractive element, it is arranged on the light emission side of described disparity barrier and contacts with described disparity barrier, described photorefractive element extends along the bearing of trend of described transparent area, the corresponding described photorefractive element of at least one multiple transparent areas of wherein said disparity barrier, described photorefractive element is completely covered the transparent area of correspondence.
Multiple transparent area one_to_one corresponding of double vision display device the most according to claim 1, it is characterised in that the quantity of described photorefractive element is multiple, the plurality of photorefractive element and described disparity barrier.
Double vision display device the most according to claim 2, it is characterised in that the plurality of photorefractive element each is prism, column convex lens or the toroidal lens extended along the bearing of trend of described transparent area.
Double vision display device the most according to claim 3, it is characterised in that each of the plurality of photorefractive element is triangular prism, tetragonal prism or pentagonal prism.
5. according to the double vision display device according to any one of claim 1-4, it is characterized in that, the face in the face of described disparity barrier of each described photorefractive element is plane and contacts with described disparity barrier, and the width in the face in the face of described disparity barrier of each described photorefractive element is more than or equal to the width of described transparent area and less than a described transparent area and the width sum of two described shading regions.
Double vision display device the most according to claim 5, it is characterised in that the centrage in the face in the face of described disparity barrier of each described photorefractive element is overlapping with the centrage of corresponding described transparent area.
Double vision display device the most according to claim 4, it is characterized in that, each described photorefractive element is triangular prism, the bottom surface of described triangular prism in the face of described disparity barrier and contact with described disparity barrier and described triangular prism bottom width more than or equal to described transparent area width and be less than a described transparent area and the width sum of two described shading regions.
Double vision display device the most according to claim 7, it is characterised in that the centrage of the bottom surface of described triangular prism is overlapping with the centrage of corresponding described transparent area.
Double vision display device the most according to claim 8, it is characterised in that described triangular prism is isoceles triangle prism.
Double vision display device the most according to claim 9, it is characterised in that the drift angle d of described triangular prism meets relationship below:
Wherein VA is the visible angle of described double vision display device and visible angle scope is 35 °-75 °, CA is the crosstalk angle of the central crosstalk zone of described double vision display device, a is the width of described transparent area, p is the width of each pixel of described display floater, m is the width of the black matrix of described display floater, d is the drift angle of described triangular prism, h is the spacing between described disparity barrier and described display floater, n is the refractive index of described photorefractive element, and the drift angle d of described triangular prism is the angle making crosstalk angle minimum in the range of visible angle.
11. according to the double vision display device according to any one of claim 1-4, it is characterised in that be additionally provided with interval body between described disparity barrier and described display floater.
12. double vision display devices according to claim 11, it is characterised in that described interval body and described photorefractive element have identical refractive index.
13. double vision display devices according to claim 12, it is characterised in that the material that described interval body is identical with described photorefractive element employing forms as one.
14. double vision display devices according to claim 13, it is characterised in that described interval body is made up of glass with described photorefractive element.
15. double vision display devices according to claim 12, it is characterised in that described interval body has gap at described transparent area with described photorefractive element on the light direction of display light, the thickness in described gap is equal to the thickness of described disparity barrier.
16. according to the double vision display device according to any one of claim 2-4, it is characterised in that have connecting portion between the arbitrary neighborhood of the plurality of photorefractive element two, and described connecting portion is the lamellar of uniform flat and completely attaches to described shading region.
17. according to the double vision display device according to any one of claim 2-4, it is characterised in that the plurality of photorefractive element has identical height and width.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105654874A (en) * | 2016-03-18 | 2016-06-08 | 京东方科技集团股份有限公司 | Double-vision display device and manufacturing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105654874A (en) * | 2016-03-18 | 2016-06-08 | 京东方科技集团股份有限公司 | Double-vision display device and manufacturing method thereof |
| WO2017156955A1 (en) * | 2016-03-18 | 2017-09-21 | 京东方科技集团股份有限公司 | Binocular display device |
| US10656428B2 (en) | 2016-03-18 | 2020-05-19 | Boe Technology Group Co., Ltd. | Dual view display device |
| CN105654874B (en) * | 2016-03-18 | 2022-01-25 | 京东方科技集团股份有限公司 | Double-vision display device and manufacturing method thereof |
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