CN103412409A - Stereoscopic display method and stereoscopic display device - Google Patents
Stereoscopic display method and stereoscopic display device Download PDFInfo
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Abstract
The invention discloses a stereoscopic display device and a control method thereof. The stereoscopic display device comprises a display panel and a grating. The grating and the display panel are arranged oppositely so as to realize a stereoscopic display; the grating includes a plurality of micro optical structures; the display panel includes a plurality of display units in an array arrangement; each display unit includes two parallel first side parts which extend in a first direction and two parallel second side parts which extend in a second direction different to the first direction; an included angle exists between a tilt direction of the plurality of micro optical structures and an extension direction of the second side parts of the plurality of display units; the plurality of display units comprises three sub display units which respectively display a single color and are orderly arranged, wherein the three sub display units includes a first sub display unit, a second sub display unit, and a third sub display unit; and the first sub display unit, the second sub display unit, and the third sub display unit respectively include a long edge parallel to the first direction and a short edge parallel to the second direction, wherein the length of the long edge is larger than that of the short edge.
Description
Technical field
The present invention relates to the stereo display field, relate in particular to a kind of stereo display method and 3 d display device, more specifically, relate to a kind of 3 d display device and control method thereof.
Background technology
Along with developing rapidly of stereo display technique, people are also increasing to the demand of stereoscopic display device.Wherein, the bore hole stereoscopic display device, owing to not needing wearing spectacles, more has been subject to the extensive favor in market.Existing naked-eye stereoscopic display mainly is based on binocular parallax and develops, and mainly contains the grating type three-dimensional display.That the grating type three-dimensional display has is simple in structure, be easy to the advantage such as realization, but simultaneously, and also there are the shortcomings such as poor definition, right and left eyes picture crosstalk are large in it.And above-mentioned shortcoming has restricted further developing of grating type three-dimensional display.
On undersized stereoscopic display device, as electronic products such as mobile phone, palm PCs, adopt rectangular display panel at present more, and the length of display panel and wide ratio larger.And on this class display panel, the modes of emplacement of grating is generally rectangular vertical bar shape regularly and places, this can run into more serious crosstalking and color offset phenomenon.In patent application publication number, be in the document of CN102004324A, the method that adopts oblique raster is disclosed, its grating comprises a plurality of micro optical structures, between the diagonal of the vergence direction of micro optical structure and the display unit of display panel, there is angle, although the method can eliminate colour cast and minimizing is crosstalked, but because display unit adopts rectangular vertical bar shape, place, this can cause every sub-display unit in display unit all by the micro optical structure of grating, to be cut, and the degree difference of cutting.Still can there be larger crosstalking in this, and can have a strong impact on display effect.
Summary of the invention
A kind of 3 d display device, comprise: display panel and grating, described grating and described display panel are oppositely arranged to realize stereo display, described grating comprises a plurality of micro optical structures, described display panel comprises a plurality of display units that array arranges that are, described display unit is included in two the first sidepieces that are parallel to each other of first direction extension and two the second sidepieces that are parallel to each other that extend in the second direction that is different from described first direction, wherein, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, there is angle, described display unit comprises the single color that demonstration is different and three sub-display units that are arranged in order: the first sub-display unit, the second sub-display unit and the 3rd sub-display unit, the described first sub-display unit, the second sub-display unit comprises respectively the long limit parallel with first direction and the minor face parallel with second direction with the 3rd sub-display unit, wherein, the length of the described minor face of Length Ratio on described long limit is long.
Preferably, the pitch of described grating equals or near the length sum on the long limit of 3M described sub-display unit, wherein M is positive odd number.
Preferably, the pitch of described grating equals or near the length sum on the long limit of 9 sub-display units.
Preferably, there is angle а between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, 65 degree≤а≤82 degree.
Preferably, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=3:N, and wherein N >=4, and N are even number.
Preferably, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=1:3.
Preferably, described grating comprises at least a light transmissive material with birefraction characteristic.
Preferably, described 3 d display device also comprises a controller and a polarized light converting unit, described controller connects described display panel and described polarized light converting unit, described polarized light unit is between described display panel and described grating, be used to realizing the switching of two dimensional mode and 3-D display pattern.
Preferably, the described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are in described second direction cycle arrangement successively.
Preferably, the described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are at described first direction cycle arrangement successively.
Preferably, each sub-display unit comprises that two show homochromy sub-pixels, and described two show homochromy sub-pixel parallel arranged in same delegation, and wherein the gray-scale value of a sub-pixel is 0 to 127, and the gray-scale value of another sub-pixel is 128 to 255.
Preferably, described two show that homochromy sub-pixel is connected to the same thin film transistor.
The present invention also provides a kind of control method of aforementioned 3 d display device, and wherein, described control method comprises:
Step S1, cut apart and arrange processing left-eye image and the eye image of synthetic 3D rendering, draws the row figure result of original left-eye image and eye image;
Step S2, comprise that to described original left-eye image and the row figure intersection of eye image the sub-display unit of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-display unit of described crosstalk zone is controlled in preset range;
Step S3, the 3D rendering signal after output is adjusted is to described display panel.
Preferably, the described arrangement in described step S1 is processed and is comprised the following steps:
Calculate the mapping that generates the sub-position of display unit of corresponding display panel in buffer memory;
According to raster width and angle of inclination, calculate the space periodic position that each sub-display unit is corresponding;
According to space periodic position corresponding to each sub-display unit calculated, arrange described left-eye image and described eye image.
Preferably, between described step S1 and S2, also have a step S4, calculate the gray-scale value of each sub-display unit, and determine left figure image that each sub-display unit comprises and the displaying ratio of right figure image according to the gray-scale value of each the sub-display unit calculated.
Preferably, the pitch of described grating equals or near the length sum on the long limit of 3M described sub-display unit, wherein M is positive odd number.
Preferably, the pitch of described grating equals or near the length sum on the long limit of 9 sub-display units.
Preferably, there is angle а between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, 65 degree≤а≤82 degree.
Preferably, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=3:N, and wherein N >=4, and N are even number.
Preferably, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=1:3.
Preferably, described sub-display unit comprises that two show homochromy sub-pixel, and described two show homochromy sub-pixel parallel arranged in same delegation.
Preferably, step S2 is specially: described original left-eye image and the row figure intersection of eye image are comprised to the sub-pixel of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-pixel of described crosstalk zone is controlled in preset range.
Preferably, respectively each sub-display unit of described 3 d display device is carried out to gray-scale Control.
3 d display device of the present invention and control method thereof, between the bearing of trend of the vergence direction by described micro optical structure and the second sidepiece of described display unit, there is angle, described display unit comprises the single color that demonstration is different and three sub-display units that are arranged in order: the first sub-display unit, the second sub-display unit and the 3rd sub-display unit, wherein, the described first sub-display unit, the second sub-display unit comprises respectively the long limit parallel with first direction and the minor face parallel with second direction with the 3rd sub-display unit, wherein, the length of the described minor face of Length Ratio on described long limit is long, when eliminating colour cast, can effectively reduce and crosstalk, thereby obtain preferably display effect.
The accompanying drawing explanation
Fig. 1 is the structural representation of 3 d display device preferred embodiments of the present invention.
Fig. 2 a is the first arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.
Fig. 2 b is the second arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.
Fig. 2 c is the third arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.
Fig. 2 d is the 4th kind of arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.
Fig. 3 is the grating of 3 d display device the first embodiment of the present invention and the configuration schematic diagram of display panel.
Fig. 4 is the grating of 3 d display device the second embodiment of the present invention and the configuration schematic diagram of display panel.
Fig. 5 is the process flow diagram of preferred embodiments of the control method of 3 d display device of the present invention.
Embodiment
Below in conjunction with drawings and Examples, technical scheme of the present invention is described in detail.
Refer to Fig. 1, Fig. 1 is the structural representation of 3 d display device preferred embodiments of the present invention.As shown in Figure 1,3 d display device comprises display panel 11, grating 12 and controller 13, and display panel 11 is connected with controller 13, and controller 13 is controlled display panel 11 and carried out the image demonstration.Display panel 11 comprises a plurality of display units 110 that ranks arrange that are, and each display unit 110 has two the first sidepiece 110a that are parallel to each other that extend at first direction and two the second sidepiece 110b that are parallel to each other that extend in the second direction that is different from first direction.First direction can be mutually vertical with second direction, can be also oblique.In this preferred embodiments, first direction is horizontal direction, the direction of second direction for paralleling with the second sidepiece 110b of display unit.The demonstration side that this grating 12 is positioned at display panel 11, realize stereo display by grating 12.Grating 12 can be cylindrical lens raster or slit grating.Preferably, this grating 12 is liquid crystal grating or liquid crystal slit grating.Grating 12 consists of the optical lens luminescent material with certain refractive index, comprises at least a kind of light transmissive material with birefraction, and its linearly polarized light to the different polarization direction shows different refractive index characteristics.Grating 12 comprises a plurality of micro optical structures 121, the periodic structure of the plurality of micro optical structure 121 for being parallel to each other.As shown in Figure 1, the plurality of micro optical structure 121 tilts with respect to the display unit 110 of display panel 11, and has angle between the bearing of trend of the second sidepiece 110b of its vergence direction and display unit 110.The size at its angle of inclination is relevant with the structure of display panel 11, between the micro optical structure 121 of grating 12 and the display unit 110 of display panel 11, there is best angle of inclination а, through experiment, learn, the scope of this optimum tilt angle а is 65 °≤а≤82 °, is also that the angle between the bearing of trend of the second sidepiece 110b of the vergence direction of the plurality of micro optical structure 121 and display unit 110 is 65 ° to 82 °.In above-mentioned scope, can reduce the crosstalking of introducing because of the oblique arrangement of micro optical structure 121 phase antithetical phrase display units 110.In a preferred embodiment, the optimum tilt angle is made as 75 °.Because grating 12 tilts with respect to display panel 11, thereby for the nearer micro optical structure 121 of the lateral edges on second direction of distance display panel 11, the length of this micro optical structure 121 is just shorter.Further, display unit 110 comprises the single color that demonstration is different and three sub-display units that are arranged in order: the first sub-display unit, the second sub-display unit and the 3rd sub-display unit.The first sub-display unit, the second sub-display unit shows different colors with the 3rd sub-display unit, in this preferred embodiment, the first sub-display unit, the second sub-display unit and the 3rd sub-display unit for example are followed successively by redness (R), green (G) and blue (B), certain the above-mentioned first sub-display unit, putting in order of the second sub-display unit and the 3rd sub-display unit can be also blue (B), red (R) and green (G), perhaps other the order, as long as the first sub-display unit, the second sub-display unit and the 3rd sub-display unit show respectively not homochromy getting final product.The first sub-display unit, the second sub-display unit and the 3rd sub-display unit comprise respectively the long limit parallel with first direction and the minor face parallel with second direction, and wherein, the length of the described minor face of Length Ratio on described long limit is long.
Between the bearing of trend of the present invention by the second sidepiece 110b of the vergence direction at a plurality of micro optical structures 121 and display unit 110, there is angle, and arrange the length on the long limit on the first direction of the first sub-display unit, the second sub-display unit and the 3rd sub-display unit longer than the length of the minor face on second direction, when eliminating colour cast, can effectively reduce and crosstalk, thereby obtain preferably display effect.
In a variant embodiment of 3 d display device of the present invention, between display panel 11 and grating 12, also be provided with a polarized light converting unit 14, this polarized light converting unit 14 is connected to controller 13, controls by controller 13 switching that this polarized light converting unit 14 realizes 2D display mode and 3D display mode.Thereby 3 d display device of the present invention not only can show 3D rendering, also can show the 2D image.
Refer to Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d, Fig. 2 a are the first arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.Fig. 2 b is the second arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.Fig. 2 c is the third arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.Fig. 2 d is the 4th kind of arrangement mode schematic diagram of sub-display unit of the display unit of display panel shown in Figure 1.As shown in Figure 2 a, the red sub-display unit of the first behavior (R) the green sub-display units of 111, the second behaviors (G) 112, the third line is blue sub-display unit (B) 113, according to the sequential loop of R, G, B, arranges successively in second direction.A sub-display unit of redness, a sub-display unit of green and the sub-display unit of blueness adjacent on second direction form a display unit.In addition, each sub-display unit is a corresponding thin film transistor (TFT) (TFT) 114 respectively, and whether it is for control chart image signal writing corresponding sub-display unit.As shown in Figure 2 b, it is the second arrangement mode of R, G, B, with the sequential loop of 112, sub-display units of blueness of 111, sub-display units of green of a sub-display unit of redness (R) (G) (B) 113, arranging successively in a first direction, is also with the sequential loop of R, G, B, to arrange successively on second direction.And each sub-display unit is a corresponding thin film transistor (TFT) (TFT) 114 respectively.As shown in Figure 2 c, it is the third arrangement mode of R, G, B, and putting in order of its R, G, B is identical with Fig. 2 a, and difference is, its spread geometry, and its in the vertical direction undulate is arranged.Each sub-display unit is a corresponding thin film transistor (TFT) (TFT) (not shown) respectively.As shown in Figure 2 d, it is the 4th kind of arrangement mode of R, G, B, and it arranges same sub-display unit in same delegation, and the sequential loop with R, G, B is arranged successively on second direction.The first row has dotted line frame in the sub-display unit 111(of a plurality of redness figure to be depicted as a sub-display unit of redness), in the green sub-display unit 112(figure of the second behavior, the dotted line frame is depicted as a sub-display unit of green) and the third line be that in blue sub-display unit 113(figure, the dotted line frame is depicted as a sub-display unit of blueness), wherein each sub-display unit comprises two sub-pixels, such as shown in Figure 2 d, each red sub-display unit 111 in the first row comprises the first sub-pixel 111a and the second sub-pixel 111b, wherein the gray-scale value of the first sub-pixel 111a is 0 to 127, and the gray-scale value of the second sub-pixel 111b is 128 to 255.Each green sub-display unit 112 at the second row comprises the 3rd sub-pixel 112a and the 4th sub-pixel 112b, and wherein the gray-scale value of the 3rd sub-pixel 112a is 0 to 127, and the gray-scale value of the 4th sub-pixel 112b is 128 to 255.Each blue sub-display unit 113 at the third line comprises the 5th sub-pixel 113a and the 6th sub-pixel 113b, and wherein the gray-scale value of the 5th sub-pixel 113a is 0 to 127, and the gray-scale value of the 6th sub-pixel 113b is 128 to 255.Preferably, in one embodiment, the respectively corresponding thin film transistor (TFT) (not shown) of each sub-pixel, each sub-pixel is controlled separately by corresponding thin film transistor (TFT) respectively, makes like this control more accurate, can obtain preferably display effect.Certainly, also the first sub-pixel 111a and the second sub-pixel 111b can be connected to the same thin film transistor, according to the mode of sequential, control respectively the gray-scale value of the first sub-pixel 111a and the second sub-pixel 111b.The gray-scale value of the first certainly above-mentioned sub-pixel, the 3rd sub-pixel, the 5th sub-pixel can be exchanged with the gray-scale value of the second sub-pixel, the 4th sub-pixel, the 6th sub-pixel, namely the gray-scale value of the first sub-pixel, the 3rd sub-pixel, the 5th sub-pixel is 128 to 255, and the gray-scale value of the second sub-pixel, the 4th sub-pixel, the 6th sub-pixel is 0 to 127, in addition also can be as required, gray-scale value is made to radio-opaque distal marking, as long as the two combines all gray-scale values that comprised in 0 to 255 scope, these change all within the scope of the invention.
Please refer to Fig. 3, Fig. 3 is the grating of 3 d display device the first embodiment of the present invention and the configuration schematic diagram of display panel.As shown in Figure 3, display panel 20 comprises a plurality of display units that are the ranks setting, and with three display units adjacent in Fig. 3 the first row, namely the first display unit 21, the second display unit 22, the 3rd display unit 23 are example.The first display unit 21 comprises that the long limit 211 parallel with first direction also comprises respectively the long limit parallel with first direction and the minor face (not shown) parallel with second direction with minor face 212, the second display units 22, the 3rd display unit 23 parallel with second direction.Wherein the length on long limit 211 is greater than the length of minor face 212.Grating 30 comprises a plurality of micro optical structures that the cycle arranges that are, wherein, two micro optical structures are arranged from left to right: the first micro optical structure 31, the second micro optical structure 32 in figure, the first micro optical structure 31 comprises the regional 31a of central shaft (namely the dotted line in figure, be also its bearing of trend) 31c and the demonstration eye image that is positioned at the central shaft 31c left side and is positioned at the regional 31b of the demonstration left-eye image on central shaft 31c the right.At the regional 31a that shows eye image (R), there is crosstalk zone 33 with the intersection of the regional 31b that shows left-eye image (L), in addition, the quantity of the interior crosstalk zone of the crosstalk zone quantity in the regional 31b of left-eye image and the regional 31a of eye image equates.Wherein, be an angle theta between the minor face of central shaft 31c and the second display unit 22, angle theta is the slanted angle between the bearing of trend of the second sidepiece of the vergence direction of micro optical structure and described display unit.In addition, raster pitch also can be made as required and equal or near the length sum on the long limit of odd number display unit.And comprise three sub-display units by each display unit, and the long limit of every sub-display unit is equal in length, the length of minor face is also equal.Thereby, can draw, raster pitch is to equal or near the length sum on the long limit of 3M sub-display unit, wherein M is positive odd number.In the present embodiment, raster pitch is the length sum on the long limit of the long limit of long limit, the second display unit 22 of the first display unit 21 and the 3rd display unit 23, is the length sum on the long limit of 9 sub-display units.And on display panel, the arrangement mode of the sub-display unit of display unit can be any arrangement mode in above-mentioned Fig. 2 a, Fig. 2 b and Fig. 2 c.
Preferably, in a variant embodiment, for making when 3D rendering shows, to have preferably sharpness, between the minor face of the first micro optical structure 31 and the first display unit 21, be the tangent value tan θ=1:3 of angle theta.
Preferably, in another variant embodiment, lower for crossfire value is down to, will between the minor face of the first micro optical structure 31 and the first display unit 21, be the tangent value tan θ=3:N of angle theta, wherein N is greater than 4 even number.
Referring to Fig. 4, Fig. 4 is the grating of 3 d display device the second embodiment of the present invention and the configuration schematic diagram of display panel.As shown in Figure 4, in the second embodiment of 3 d display device of the present invention, the difference of this 3 d display device and above-mentioned the first embodiment is: the sub-display unit of each of display panel comprises two sub-pixels in left and right, be positioned at the gray-scale value of sub-pixel of the left side one row 0 to 127, on the right of being positioned at, the gray-scale value of the sub-pixel of row is 128 to 255, certainly can also be to be positioned at the gray-scale value of sub-pixel of the left side one row 128 to 255, be positioned at the gray-scale value of sub-pixel of the right one row 0 to 127.The micro optical structure 41 of grating comprises the regional 41a of central shaft (dotted line in figure) 41c and the demonstration eye image that is positioned at the central shaft 41c left side and is positioned at the regional 41b of the demonstration eye image (R) on central shaft 41c the right.At the regional 41a that shows eye image with show that there is crosstalk zone 43 in the intersection of the regional 41b of left-eye image (L), in addition, the quantity of the crosstalk zone that the crosstalk zone quantity in the regional 41b of left-eye image and the regional 41a of eye image are interior equates.Wherein, between the minor face of central shaft 41c and display unit, be an angle theta.In addition, in the present embodiment, raster pitch is the length sum on the long limit of 3 sub-display units.In Fig. 4, sub-display unit for same row, the sub-display unit of one row is owing to having two row sub-pixels, the parton pixel region of the parton pixel of 43 on the left sides of crosstalk zone, one row or the right one row, if the parton pixel of on the left side one row forms crosstalk zone, the parton pixel of corresponding the right one row can not be subject to cross talk effects.When showing, the TFT switch can show different screen brightness by the number of controlling sub-pixel.When showing, when the group display unit received the color displays of 0 to 127 GTG, the TFT switch can be controlled one of them sub-pixel printing opacity and show; When the group display unit received the color displays of 128 to 255 GTGs, the TFT switch can be controlled two sub-pixels and all carry out the printing opacity demonstration.
Refer to Fig. 5, Fig. 5 is the process flow diagram of preferred embodiments of the control method of 3 d display device of the present invention.As shown in Figure 5, the control method that the present invention is based on aforementioned 3 d display device comprises the following steps:
Step S1, cut apart and arrange processing left-eye image and the eye image of synthetic 3D rendering, draws the row figure result of original left-eye image and eye image;
Step S2, comprise that to described original left-eye image and the row figure intersection of eye image the sub-display unit of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-display unit of described crosstalk zone is controlled in preset range;
Step S3, the 3D rendering signal after output is adjusted is to described display panel.
Utilize above control method, can be in the situation that substantially do not affect display effect, effective quantity that reduces pixel (the sub-display unit) of crosstalking, the generation of ghost phenomena when minimizing 3D watches.Therefore, in the present embodiment, carrying out when low-light level shows having lower crosstalking.
Wherein, the described arrangement in above-mentioned steps S1 is processed and is comprised the following steps:
Calculate the mapping that generates the sub-position of display unit of corresponding display panel in buffer memory;
According to raster width and angle of inclination, calculate the space periodic position that each sub-display unit is corresponding;
According to space periodic position corresponding to each sub-display unit calculated, arrange described left-eye image and described eye image.
In a specific embodiment, between described step S1 and S2, also has a step S4, calculate the gray-scale value of each sub-display unit, and determine left figure image that each sub-display unit comprises and the displaying ratio of right figure image according to the gray-scale value of each sub-display unit of calculating.
In a variant embodiment, as the hypothesis grating, cover 2.4 pixels (sub-display unit), the pixel position calculated according to above method 0-1.2 with interior be to take left figure as main pixel, 1.2-2.4 take interior for right figure be the pixel of leading.Thereby the row figure result that we calculate according to this mapping mode is controlled the demonstration of display panel.Can also utilize left figure image that the value of the pixel (sub-display unit) calculated determines that each pixel comprises and the displaying ratio of right figure image, the left figure composition of take is 80%, right figure composition is 20% for example, according to the image aligning method shown in Fig. 2 a, now should show the picture material of left figure, but can also adopt the method for vision-mix to show, to after the content mix of the content of right figure image 10% and left figure image 90%, show, can when showing some contents, better display effect be arranged like this, lower crosstalks.
In addition, in another variant embodiment, to as the arrangement mode of above-mentioned Fig. 2 d and sub-display unit shown in Figure 4, its control method can be:
Step S1, cut apart and arrange processing left-eye image and the eye image of synthetic 3D rendering, draws the row figure result of original left-eye image and eye image;
Step S2, comprise that to described original left-eye image and the row figure intersection of eye image the sub-pixel of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-pixel of described crosstalk zone is controlled in preset range;
Step S3, the 3D rendering signal after output is adjusted is to described display panel.
Preferably, also can be respectively each sub-display unit of described 3 d display device be carried out separately to gray-scale Control, guaranteeing more accurately to control the gray scale of sub-display unit on the constant basis of display panel overall light intensity, reduce crossfire value and image ghost image odds.
In one embodiment, image aligning method of the present invention can also be done further optimization, gray difference by the left figure image of suitable adjustment and right figure image intersection, too large variation does not occur in 3D picture overall crosstalk amount in the situation that guarantee, weaken left figure image and right figure image boundary difference, make the 3D picture softer.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (23)
1. 3 d display device, comprise: display panel and grating, described grating and described display panel are oppositely arranged to realize stereo display, described grating comprises a plurality of micro optical structures, described display panel comprises a plurality of display units that array arranges that are, described display unit is included in two the first sidepieces that are parallel to each other of first direction extension and two the second sidepieces that are parallel to each other that extend in the second direction that is different from described first direction, it is characterized in that, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, there is angle, described display unit comprises the single color that demonstration is different and three sub-display units that are arranged in order: the first sub-display unit, the second sub-display unit and the 3rd sub-display unit, the described first sub-display unit, the second sub-display unit comprises respectively the long limit parallel with first direction and the minor face parallel with second direction with the 3rd sub-display unit, wherein, the length of the described minor face of Length Ratio on described long limit is long.
2. 3 d display device according to claim 1, is characterized in that, the pitch of described grating equals or near the length sum on the long limit of 3M described sub-display unit, wherein M is positive odd number.
3. 3 d display device according to claim 2, is characterized in that, the pitch of described grating equals or near the length sum on the long limit of 9 sub-display units.
4. 3 d display device according to claim 1, is characterized in that, has angle а between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, 65 degree≤а≤82 degree.
5. 3 d display device according to claim 1, is characterized in that, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=3:N, and wherein N >=4, and N are even number.
6. 3 d display device according to claim 1, is characterized in that, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=1:3.
7. 3 d display device according to claim 1, is characterized in that, described grating comprises at least a light transmissive material with birefraction characteristic.
8. 3 d display device according to claim 1, it is characterized in that, described 3 d display device also comprises a controller and a polarized light converting unit, described controller connects described display panel and described polarized light converting unit, described polarized light unit is between described display panel and described grating, be used to realizing the switching of two dimensional mode and 3-D display pattern.
9. 3 d display device according to claim 1, is characterized in that, the described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are in described second direction cycle arrangement successively.
10. 3 d display device according to claim 1, is characterized in that, the described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are at described first direction cycle arrangement successively.
11. 3 d display device according to claim 9, it is characterized in that, each sub-display unit comprises that two show homochromy sub-pixel, described two show homochromy sub-pixel parallel arranged in same delegation, wherein the gray-scale value of a sub-pixel is 0 to 127, and the gray-scale value of another sub-pixel is 128 to 255.
12. 3 d display device according to claim 11, is characterized in that, described two show that homochromy sub-pixel is connected to the same thin film transistor.
13. the control method of a 3 d display device as claimed in claim 1, is characterized in that, described control method comprises:
Step S1, cut apart and arrange processing left-eye image and the eye image of synthetic 3D rendering, draws the row figure result of original left-eye image and eye image;
Step S2, comprise that to described original left-eye image and the row figure intersection of eye image the sub-display unit of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-display unit of described crosstalk zone is controlled in preset range;
Step S3, the 3D rendering signal after output is adjusted is to described display panel.
14. the control method of 3 d display device according to claim 13, is characterized in that, the described arrangement in described step S1 is processed and is comprised the following steps:
Calculate the mapping that generates the sub-position of display unit of corresponding display panel in buffer memory;
According to raster width and angle of inclination, calculate the space periodic position that each sub-display unit is corresponding;
According to space periodic position corresponding to each sub-display unit calculated, arrange described left-eye image and described eye image.
15. the control method of 3 d display device according to claim 13, it is characterized in that, between described step S1 and S2, also has a step S4, calculate the gray-scale value of each sub-display unit, and determine left figure image that each sub-display unit comprises and the displaying ratio of right figure image according to the gray-scale value of each sub-display unit of calculating.
16. 3 d display device according to claim 13, is characterized in that, the pitch of described grating equals or near the length sum on the long limit of 3M described sub-display unit, wherein M is positive odd number.
17. 3 d display device according to claim 16, is characterized in that, the pitch of described grating equals or near the length sum on the long limit of 9 sub-display units.
18. the control method of 3 d display device according to claim 13, is characterized in that, has angle а between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, 65 degree≤а≤82 degree.
19. the control method of 3 d display device according to claim 13, it is characterized in that, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=3:N, wherein N >=4, and N are even number.
20. the control method of 3 d display device according to claim 13, is characterized in that, between the bearing of trend of the second sidepiece of the vergence direction of described micro optical structure and described display unit, having angle is θ, and tan θ=1:3.
21. the control method of 3 d display device according to claim 13, is characterized in that, described sub-display unit comprises that two show homochromy sub-pixel, and described two show homochromy sub-pixel parallel arranged in same delegation.
22. the control method of 3 d display device according to claim 21, it is characterized in that, step S2 is specially: described original left-eye image and the row figure intersection of eye image are comprised to the sub-pixel of crosstalk zone carries out the gray scale adjusting, and the gray-scale value that makes to comprise the sub-pixel of described crosstalk zone is controlled in preset range.
23. the control method of 3 d display device according to claim 22, is characterized in that, respectively each sub-display unit of described 3 d display device carried out to gray-scale Control.
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Effective date of registration: 20180726 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Shenzhen super Technology Co., Ltd. Address before: 518053 East Guangdong H-1 East 101, overseas Chinese town, Nanshan District, Shenzhen. Patentee before: Shenzhen SuperD Photoelectronic Co., Ltd. |