CN103412409B - Stereo display method and 3 d display device - Google Patents
Stereo display method and 3 d display device Download PDFInfo
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Abstract
The invention discloses a kind of 3 d display device and control method thereof, this device comprises: display panel and grating, grating and display panel are oppositely arranged to realize stereo display, grating comprises multiple micro optical structure, display panel comprises multiple display unit arranged in array, display unit is included in two the first sidepieces be parallel to each other that first direction extends and two the second sidepieces be parallel to each other extended in the second direction being different from first direction, angle is there is between the bearing of trend of the vergence direction of micro optical structure and the second sidepiece of display unit, display unit comprises the different single color of display and be arranged in order three sub-display units: the first sub-display unit, second sub-display unit and the 3rd sub-display unit, first sub-display unit, second sub-display unit comprises the long limit parallel with first direction and the minor face parallel with second direction respectively with the 3rd sub-display unit, wherein, the length on long limit is longer than the length of minor face.
Description
Technical field
The present invention relates to field of stereoscopic display, particularly relate 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, bore hole stereoscopic display device, owing to not needing wearing spectacles, more receives the extensive favor in market.Existing naked-eye stereoscopic display is mainly developed based on binocular parallax, mainly contains grating type three-dimensional display.Grating type three-dimensional display have structure simple, be easy to the advantages such as realizations, but while, also there is the shortcomings such as poor definition, right and left eyes picture crosstalk are large in it.And above-mentioned shortcoming constrains further developing of grating type three-dimensional display.
At present on undersized stereoscopic display device, as the electronic product such as mobile phone, palm PC, adopt rectangular display panel more, and the length of display panel and wide ratio larger.And on this kind of display panel, the modes of emplacement of grating is generally rectangular vertical bar shape regularly and places, this can run into more serious crosstalk and color offset phenomenon.Be in the document of CN102004324A in patent application publication number, disclose the method adopting oblique raster, its grating comprises multiple micro optical structure, angle is there is between the diagonal of the vergence direction of micro optical structure and the display unit of display panel, although the method can be eliminated colour cast and reduce crosstalk, but because display unit adopts rectangular vertical bar shape to place, this can cause every sub-display unit in display unit all to be cut by the micro optical structure of grating, and the degree of cutting is different.Still can there is larger crosstalk in this, 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 multiple micro optical structure, described display panel comprises multiple display unit arranged in array, described display unit is included in two the first sidepieces be parallel to each other that first direction extends and two the second sidepieces be parallel to each other extended in the second direction being different from described first direction, wherein, angle is there is between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit, described display unit comprises the different single color of display and be arranged in order three sub-display units: the first sub-display unit, second sub-display unit and the 3rd sub-display unit, described first sub-display unit, second sub-display unit comprises the long limit parallel with first direction and the minor face parallel with second direction respectively with the 3rd sub-display unit, wherein, the length on described long limit is longer than the length of described minor face.
Preferably, the pitch of described grating equals or the length sum on long limit close to 3M described sub-display unit, and wherein M is positive odd number.
Preferably, the pitch of described grating equals or the length sum on long limit close to 9 sub-display units.
Preferably, there is angle а between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit, 65 degree≤а≤82 degree.
Preferably, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=3:N, wherein N >=4, and N is even number.
Preferably, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=1:3.
Preferably, described grating comprises the light transmissive material that at least one has 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 between described display panel and described grating, for realizing the switching of two dimensional mode and three-dimensional display mode.
Preferably, described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are in described second direction successively cycle arrangement.
Preferably, described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are at described first direction successively cycle arrangement.
Preferably, each sub-display unit comprises the homochromy sub-pixel of two displays, and the sub-pixel parallel arranged in the same row that described two displays are homochromy, 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 homochromy sub-pixels of display are connected to 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, splits the left-eye image and eye image of synthesizing 3D rendering and arranges process, drawing the row figure result of original left-eye image and eye image;
Step S2, the sub-display unit row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, makes the gray-scale value of the sub-display unit comprising described crosstalk zone control in preset range;
Step S3, exports the 3D rendering signal after adjustment to described display panel.
Preferably, the described arrangement process in described step S1 comprises the following steps:
Calculate the mapping generating 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 the space periodic position that each sub-display unit calculated is corresponding, arrange described left-eye image and described eye image.
Preferably, also have a step S4 between described step S1 and S2, calculate the gray-scale value of each sub-display unit, and according to the gray-scale value of each sub-display unit calculated to determine the displaying ratio of the left figure image that each sub-display unit comprises and right figure image.
Preferably, the pitch of described grating equals or the length sum on long limit close to 3M described sub-display unit, and wherein M is positive odd number.
Preferably, the pitch of described grating equals or the length sum on long limit close to 9 sub-display units.
Preferably, there is angle а between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit, 65 degree≤а≤82 degree.
Preferably, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=3:N, wherein N >=4, and N is even number.
Preferably, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=1:3.
Preferably, described sub-display unit comprises the homochromy sub-pixel of two displays, the sub-pixel parallel arranged in the same row that described two displays are homochromy.
Preferably, step S2 is specially: the sub-pixel row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, and the gray-scale value of the sub-pixel comprising described crosstalk zone is controlled in preset range.
Preferably, respectively gray-scale Control is carried out to each sub-display unit of described 3 d display device.
3 d display device of the present invention and control method thereof, by there is angle between the vergence direction of described micro optical structure and the bearing of trend of the second sidepiece of described display unit, described display unit comprises the different single color of display and be arranged in order three sub-display units: the first sub-display unit, second sub-display unit and the 3rd sub-display unit, wherein, described first sub-display unit, second sub-display unit comprises the long limit parallel with first direction and the minor face parallel with second direction respectively with the 3rd sub-display unit, wherein, the length on described long limit is longer than the length of described minor face, while elimination colour cast, effectively can reduce crosstalk, thus obtain preferably display effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of 3 d display device better embodiment of the present invention.
Fig. 2 a is the first arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.
Fig. 2 b is the second arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.
Fig. 2 c is the third arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.
Fig. 2 d is the 4th kind of arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.
Fig. 3 is the grating of 3 d display device first embodiment of the present invention and the configuration schematic diagram of display panel.
Fig. 4 is the grating of 3 d display device second embodiment of the present invention and the configuration schematic diagram of display panel.
Fig. 5 is the process flow diagram of the better embodiment 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 better embodiment 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 controls display panel 11 and carries out image display.Display panel 11 comprises multiple display unit 110 arranged in ranks, and each display unit 110 has two the first sidepiece 110a be parallel to each other extended at first direction and two the second sidepiece 110b be parallel to each other extended in the second direction being different from first direction.First direction can be mutually vertical with second direction, also can be oblique.In this better embodiment, first direction is horizontal direction, and second direction is the direction paralleled with the second sidepiece 110b of display unit.This grating 12 is positioned at the display side of display panel 11, realizes 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 is made up of the optical lens luminescent material with certain refractive index, and at least comprise a kind of light transmissive material with birefraction, it shows different refractive index characteristics to the linearly polarized light in different polarization direction.Grating 12 comprises multiple micro optical structure 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 relative to the display unit 110 of display panel 11, and there is 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, best angle of inclination а is there is between the micro optical structure 121 of grating 12 and the display unit 110 of display panel 11, learn through experiment, the scope of this optimum tilt angle а is 65 °≤а≤82 °, and the angle also namely between the vergence direction of the plurality of micro optical structure 121 and the bearing of trend of the second sidepiece 110b of display unit 110 is 65 ° to 82 °.In above-mentioned scope, the crosstalk introduced because of the oblique arrangement of micro optical structure 121 phase antithetical phrase display unit 110 can be reduced.In a preferred embodiment, optimum tilt angle is set to 75 °.Because grating 12 tilts relative to display panel 11, thus, for the micro optical structure 121 that the lateral edges in a second direction of distance display panel 11 is nearer, the length of this micro optical structure 121 is shorter.Further, display unit 110 comprises the different single color of display and be arranged in order three sub-display units: the first sub-display unit, the second sub-display unit and the 3rd sub-display unit.First sub-display unit, second sub-display unit and the 3rd sub-display unit show different colors, in this preferred embodiment, first sub-display unit, second sub-display unit and the 3rd sub-display unit are such as followed successively by redness (R), green (G) and blue (B), certainly above-mentioned first sub-display unit, second sub-display unit and putting in order of the 3rd sub-display unit also can be blue (B), red (R) and green (G), or other order, as long as the first sub-display unit, second sub-display unit and the 3rd sub-display unit show not homochromy respectively.First sub-display unit, the second sub-display unit comprise the long limit parallel with first direction and the minor face parallel with second direction respectively with the 3rd sub-display unit, and wherein, the length on described long limit is longer than the length of described minor face.
By there is angle between the vergence direction of multiple micro optical structure 121 and the bearing of trend of the second sidepiece 110b of display unit 110 in the present invention, and 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 is arranged longer than the length of the minor face in second direction, while elimination colour cast, effectively can reduce crosstalk, thus obtain preferably display effect.
In a variant embodiment of 3 d display device of the present invention, a polarized light converting unit 14 is also provided with between display panel 11 and grating 12, 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.Thus, 3 d display device of the present invention not only can show 3D rendering, also can show 2D image.
Refer to Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d, Fig. 2 a is the first arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.Fig. 2 b is the second arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.Fig. 2 c is the third arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.Fig. 2 d is the 4th kind of arrangement mode schematic diagram of the sub-display unit of the display unit of the display panel shown in Fig. 1.As shown in Figure 2 a, the green sub-display unit (G) 112 of the first behavior red sub-display unit (R) 111, second behavior, the third line is blue sub-display unit (B) 113, arranges successively in second direction according to the sequential loop of R, G, B.An adjacent in a second direction sub-display unit of redness, a sub-display unit of green and a sub-display unit of blueness form a display unit.In addition, each sub-display unit is a corresponding thin film transistor (TFT) (TFT) 114 respectively, and for control chart image signal to the write of corresponding sub-display unit whether it.As shown in Figure 2 b, it is the second arrangement mode of R, G, B, in a first direction successively with the arrangement of the sequential loop of a sub-display unit of redness (R) 111, sub-display unit of green (G) 112, sub-display unit of blueness (B) 113, be also arrange with the sequential loop of R, G, B successively in a second direction.And each sub-display unit 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 arranges.An each sub-display unit 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 on a same row, arranges successively in a second direction with the sequential loop of R, G, B.The first row has dotted line frame in multiple redness sub-display unit 111(figure to be depicted as a sub-display unit of redness), in the green sub-display unit 112(figure of second behavior, 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, dotted line frame is depicted as a sub-display unit of blueness), wherein each sub-display unit comprises two sub-pixels, as shown in Figure 2 d, the first sub-pixel 111a and the second sub-pixel 111b is comprised at each red sub-display unit 111 of the first row, 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.Comprise the 3rd sub-pixel 112a and the 4th sub-pixel 112b at each green sub-display unit 112 of the second row, 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.Comprise the 5th sub-pixel 113a and the 6th sub-pixel 113b at each blue sub-display unit 113 of the third line, 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, each sub-pixel is a corresponding thin film transistor (TFT) (not shown) respectively, and each sub-pixel is controlled separately by corresponding thin film transistor (TFT) respectively, makes like this to control more precisely, can obtain preferably display effect.Certainly, also the first sub-pixel 111a and the second sub-pixel 111b can be connected to same thin film transistor, control the gray-scale value of the first sub-pixel 111a and the second sub-pixel 111b according to the mode of sequential respectively.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, radio-opaque distal marking is done to gray-scale value, as long as the two combines all gray-scale values included in 0 to 255 scope, these changes all within the scope of the invention.
Please refer to Fig. 3, Fig. 3 is the grating of 3 d display device first embodiment of the present invention and the configuration schematic diagram of display panel.As shown in Figure 3, display panel 20 comprises the multiple display units arranged in ranks, and with three display units adjacent in Fig. 3 the first row, namely the first display unit 21, second display unit 22, the 3rd display unit 23 are example.First display unit 21 comprises the long limit 211 parallel with first direction and minor face 212, second display unit 22 parallel with second direction, the 3rd display unit 23 also comprise the long limit parallel with first direction and the minor face (not shown) parallel with second direction respectively.Wherein the length on long limit 211 is greater than the length of minor face 212.Grating 30 comprises multiple micro optical structure arranged in the cycle, wherein, two micro optical structures are had from left to right: the first micro optical structure 31, second micro optical structure 32 in figure, first micro optical structure 31 namely comprise central shaft (dotted line namely in figure, also its bearing of trend) 31c and be positioned at the central shaft 31c left side display eye image region 31a and be positioned at the region 31b of the display left-eye image on the right of central shaft 31c.Crosstalk zone 33 is there is at the intersection of the region 31a of display eye image (R) and the region 31b of display left-eye image (L), in addition, the crosstalk zone quantity in the region 31b of left-eye image is equal with the quantity of the crosstalk zone in the region 31a of eye image.Wherein, in 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 vergence direction of micro optical structure and the second sidepiece of described display unit.In addition, raster pitch also can be set to the length sum on the long limit equaled or close to odd number display unit as required.And comprise three sub-display units by each display unit, and the length on the long limit of every sub-display unit is equal, the length of minor face is also equal.Thus, can draw, raster pitch is equal or the length sum on long limit close to 3M sub-display unit, and wherein M is positive odd number.In the present embodiment, raster pitch is the length sum on long limit of the long limit of the first display unit 21, the long limit of the second display unit 22 and the 3rd display unit 23, is the length sum on the long limit of 9 sub-display units.And the arrangement mode of the sub-display unit of display unit can be any one arrangement mode in above-mentioned Fig. 2 a, Fig. 2 b and Fig. 2 c on display panel.
Preferably, in a variant embodiment, for making, when 3D rendering shows, there is preferably sharpness, between the first micro optical structure 31 and the minor face of 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, by between the first micro optical structure 31 and the minor face of the first display unit 21 be the tangent value tan θ=3:N of angle theta, wherein N be greater than 4 even number.
The grating of 3 d display device second embodiment of the present invention and the configuration schematic diagram of display panel see Fig. 4, Fig. 4.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 first embodiment is: each sub-display unit of display panel comprises two sub-pixels in left and right, be positioned at the gray-scale value of the sub-pixel that the left side one arranges 0 to 127, be positioned at the gray-scale value of the sub-pixel of the right one row 128 to 255, the gray-scale value that certainly can also be the sub-pixel being positioned at the left side one row, 128 to 255, is positioned at the gray-scale value of the sub-pixel of the right one row 0 to 127.The micro optical structure 41 of grating comprise central shaft (dotted line in figure) 41c and be positioned at the central shaft 41c left side display eye image region 41a and be positioned at the region 41b of the display eye image (R) on the right of central shaft 41c.There is crosstalk zone 43 at the intersection of the region 41a of display eye image and the region 41b of display left-eye image (L), in addition, the crosstalk zone quantity in the region 41b of left-eye image is equal with the quantity of the crosstalk zone in the region 41a of eye image.Wherein, between central shaft 41c and the minor face of 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 the diagram, for the sub-display unit of same row, the sub-display unit of one row is owing to having two row sub-pixels, the parton pixel that crosstalk zone 43 on the left sides one arrange or the parton pixel region that the right one arranges, if the parton pixel that on the left side one arranges forms crosstalk zone, then the parton pixel of corresponding the right one row then can not be subject to cross talk effects.When showing, TFT switch can show different screen brightness by the number controlling sub-pixel.When showing, when group display unit receives the color displays of 0 to 127 GTGs, TFT switch can control the display of one of them sub-pixel printing opacity; When group display unit receives the color displays of 128 to 255 GTGs, TFT switch can control two sub-pixels and all carry out printing opacity display.
Refer to Fig. 5, Fig. 5 is the process flow diagram of the better embodiment 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, splits the left-eye image and eye image of synthesizing 3D rendering and arranges process, drawing the row figure result of original left-eye image and eye image;
Step S2, the sub-display unit row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, makes the gray-scale value of the sub-display unit comprising described crosstalk zone control in preset range;
Step S3, exports the 3D rendering signal after adjustment to described display panel.
Utilize above control method, when substantially not affecting display effect, can effectively reducing the quantity of crosstalk pixel (sub-display unit), reducing the generation of ghost phenomena during 3D viewing.Therefore, when carrying out low-light level display, there is lower crosstalk in the present embodiment.
Wherein, the described arrangement process in above-mentioned steps S1 comprises the following steps:
Calculate the mapping generating 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 the space periodic position that each sub-display unit calculated is corresponding, arrange described left-eye image and described eye image.
In a specific embodiment, a step S4 is also had between described step S1 and S2, calculate the gray-scale value of each sub-display unit, and according to the gray-scale value of each sub-display unit calculated to determine the displaying ratio of the left figure image that each sub-display unit comprises and right figure image.
In a variant embodiment, as hypothesis grating covers 2.4 pixels (sub-display unit), then the pixel position calculated according to above method is based on the pixel of left figure within 0-1.2, within 1.2-2.4 for right figure be the pixel led.Thus the row figure result that we calculate according to this mapping mode is to control the display of display panel.The value of the pixel (sub-display unit) calculated can also be utilized to determine the displaying ratio of the left figure image that each pixel comprises and right figure image, with left figure composition for 80%, right figure composition is 20% is example, according to the graphical arrangement method shown in Fig. 2 a, now should show the picture material of left figure, but the method for vision-mix can also be adopted show, show after the content mix of the content of right figure image 10% and left figure image 90%, better display effect can be had, lower crosstalk like this when showing some contents.
In addition, in another variant embodiment, to the arrangement mode of the such as sub-display unit shown in above-mentioned Fig. 2 d and Fig. 4, its control method can be:
Step S1, splits the left-eye image and eye image of synthesizing 3D rendering and arranges process, drawing the row figure result of original left-eye image and eye image;
Step S2, the sub-pixel row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, makes the gray-scale value of the sub-pixel comprising described crosstalk zone control in preset range;
Step S3, exports the 3D rendering signal after adjustment to described display panel.
Preferably, also can carry out gray-scale Control separately to each sub-display unit of described 3 d display device respectively, ensureing, on the basis that display panel overall light intensity is constant, more accurately to control the gray scale of sub-display unit, reduce crossfire value and image ghost image odds.
In one embodiment, graphical arrangement method of the present invention can also do further optimization, by suitably adjusting the gray difference of left figure image and right figure image intersection, when ensureing that too large change does not occur 3D picture overall crosstalk amount, weaken left figure image and right figure image boundary difference, make 3D picture softer.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to claim of the present invention.
Claims (22)
1. a 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 multiple micro optical structure, described display panel comprises multiple display unit arranged in array, described display unit is included in two the first sidepieces be parallel to each other that first direction extends and two the second sidepieces be parallel to each other extended in the second direction being different from described first direction, it is characterized in that, angle is there is between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit, described display unit comprises the different single color of display and be arranged in order three sub-display units: the first sub-display unit, second sub-display unit and the 3rd sub-display unit, described first sub-display unit, second sub-display unit comprises the long limit parallel with first direction and the minor face parallel with second direction respectively with the 3rd sub-display unit, wherein, the length on described long limit is longer than the length of described minor face, the pitch of described grating equals or the length sum on long limit close to 3M described sub-display unit, and wherein M is positive odd number.
2. 3 d display device according to claim 1, is characterized in that, the pitch of described grating equals or the length sum on long limit close to 9 sub-display units.
3. 3 d display device according to claim 1, is characterized in that, there is angle а, 65 degree≤а≤82 degree between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit.
4. 3 d display device according to claim 1, is characterized in that, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=3:N, wherein N >=4, and N is even number.
5. 3 d display device according to claim 1, is characterized in that, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=1:3.
6. 3 d display device according to claim 1, is characterized in that, described grating comprises the light transmissive material that at least one has birefraction characteristic.
7. 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 between described display panel and described grating, for realizing the switching of two dimensional mode and three-dimensional display mode.
8. 3 d display device according to claim 1, is characterized in that, described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are in described second direction successively cycle arrangement.
9. 3 d display device according to claim 1, is characterized in that, described first sub-display unit, the second sub-display unit and the 3rd sub-display unit are at described first direction successively cycle arrangement.
10. 3 d display device according to claim 8, it is characterized in that, each sub-display unit comprises the homochromy sub-pixel of two displays, the sub-pixel parallel arranged in the same row that described two displays are homochromy, 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.
11. 3 d display devices according to claim 10, is characterized in that, described two homochromy sub-pixels of display are connected to same thin film transistor.
The control method of 12. 1 kinds of 3 d display devices as claimed in claim 1, is characterized in that, described control method comprises:
Step S1, splits the left-eye image and eye image of synthesizing 3D rendering and arranges process, drawing the row figure result of original left-eye image and eye image;
Step S2, the sub-display unit row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, makes the gray-scale value of the sub-display unit comprising described crosstalk zone control in preset range;
Step S3, exports the 3D rendering signal after adjustment to described display panel.
The control method of 13. 3 d display devices according to claim 12, is characterized in that, the described arrangement process in described step S1 comprises the following steps:
Calculate the mapping generating 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 the space periodic position that each sub-display unit calculated is corresponding, arrange described left-eye image and described eye image.
The control method of 14. 3 d display devices according to claim 12, it is characterized in that, a step S4 is also had between described step S1 and S2, calculate the gray-scale value of each sub-display unit, and according to the gray-scale value of each sub-display unit calculated to determine the displaying ratio of the left figure image that each sub-display unit comprises and right figure image.
15. 3 d display devices according to claim 12, is characterized in that, the pitch of described grating equals or the length sum on long limit close to 3M described sub-display unit, and wherein M is positive odd number.
16. 3 d display devices according to claim 15, is characterized in that, the pitch of described grating equals or the length sum on long limit close to 9 sub-display units.
The control method of 17. 3 d display devices according to claim 12, is characterized in that, there is angle а, 65 degree≤а≤82 degree between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit.
The control method of 18. 3 d display devices according to claim 12, it is characterized in that, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=3:N, wherein N >=4, and N is even number.
The control method of 19. 3 d display devices according to claim 12, is characterized in that, there is angle between the bearing of trend of the vergence direction of described micro optical structure and the second sidepiece of described display unit is θ, and tan θ=1:3.
The control method of 20. 3 d display devices according to claim 12, is characterized in that, described sub-display unit comprises the homochromy sub-pixel of two displays, the sub-pixel parallel arranged in the same row that described two displays are homochromy.
The control method of 21. 3 d display devices according to claim 20, it is characterized in that, step S2 is specially: the sub-pixel row figure intersection of described original left-eye image and eye image being comprised to crosstalk zone carries out gray scale adjustment, and the gray-scale value of the sub-pixel comprising described crosstalk zone is controlled in preset range.
The control method of 22. 3 d display devices according to claim 21, is characterized in that, carries out gray-scale Control respectively to each sub-display unit of described 3 d display device.
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| US9645399B2 (en) | 2010-10-19 | 2017-05-09 | Superd Co. Ltd. | Autostereoscopic display apparatus and method |
| CN103676176B (en) * | 2013-12-31 | 2017-03-01 | 京东方科技集团股份有限公司 | A kind of 3 d display device and its imaging method |
| CN105005147B (en) * | 2015-07-30 | 2017-03-29 | 重庆卓美华视光电有限公司 | A kind of pixel method for designing and bore hole 3D 3 d display device |
| CN108732749A (en) * | 2017-04-13 | 2018-11-02 | 印正有限公司 | Display device |
| CN112801921B (en) * | 2021-03-30 | 2022-05-03 | 深圳市立体通科技有限公司 | 3D image processing optimization method and device, storage medium and electronic equipment |
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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. |