CN103838030A - Bidirectional three-dimensional display device - Google Patents
Bidirectional three-dimensional display device Download PDFInfo
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- CN103838030A CN103838030A CN201410124325.0A CN201410124325A CN103838030A CN 103838030 A CN103838030 A CN 103838030A CN 201410124325 A CN201410124325 A CN 201410124325A CN 103838030 A CN103838030 A CN 103838030A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
- G02B30/31—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers involving active parallax barriers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
- G02B30/32—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers characterised by the geometry of the parallax barriers, e.g. staggered barriers, slanted parallax arrays or parallax arrays of varying shape or size
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Abstract
The invention provides a bidirectional three-dimensional display device which comprises a display screen with a plurality of parallel RGB color bars. The bidirectional three-dimensional display device further comprises a liquid crystal optical grating located on one side of the display screen, and the liquid crystal optical grating comprises a plurality of parallel vertical optical grating strips or slant optical grating strips distributed at intervals. According to the bidirectional three-dimensional display device, due to the fact that the directions of the optical grating strips in the liquid crystal optical grating are perpendicular to the directions of the RGB color bars in the display screen or preset included angles are formed between the directions of the optical grating strips in the liquid crystal optical grating and the directions of the RGB color bars and range from 0 degree to 90 degrees, the directions of the optical grating strips can not be parallel to the directions of the RGB color bars in the display screen, color shifting, the cross effect and the small view angle problem are accordingly avoided, and the display effect on a three-dimensional picture is further improved.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly, relate to a kind of twocouese 3 d display device.
Background technology
The bore hole formula 3D(3 D stereo of most) display device is all in 2D(two dimension) liquid crystal grating is set before display screen, when 2D shows, on liquid crystal grating, do not apply voltage, possess high permeability, substantially do not affect brightness and the resolution etc. of 2D display screen; When 3D shows, on the electrode of liquid crystal grating, apply certain voltage and form chequered with black and white striped, make the image that right and left eyes is seen simultaneously there is gap, then produce stereoscopic sensation after brain is synthetic.
Along with widespread use and the people of 3D display device are more and more higher to the requirement of product, a kind of level and vertically twocouese all there is the 3 d display device of good Presentation Function, be subject to people's extensive concern.The liquid crystal grating structure of this display device, as shown in Figure 1, comprise polarizer 00, first substrate 10, be positioned at the strip electrode that first substrate 10 inner side along continuous straight runs are arranged in parallel, i.e. the first electrode 11, the liquid crystal layer 20 of case type structures, second substrate 30, and be positioned at the strip electrode that second substrate 30 inner sides are vertically arranged in parallel, i.e. the second electrode 31, wherein, liquid crystal layer 20 is by the first electrode 11, the second electrode 31 is divided into matrix structure pixel, thereby can apply voltage according to default control method and open selectively or close pixel, form the gratings strips of horizontal or vertical direction.After this liquid crystal grating is combined with 2D display screen, can realize level and the vertically stereo display of twocouese.
But, in this twocouese 3 d display device, due to gratings strips and RGB(Red Green Blue, RGB) vitta is vertical bar shaped, and the direction of gratings strips is level and vertical direction, the direction of RGB vitta is also horizontal direction or vertical direction, therefore, will inevitably exist gratings strips and the RGB vitta of a direction to be arranged in parallel, this will cause the image in this direction to pass through after gratings strips, there is serious colour cast phenomenon, cause that cross effect is serious, visual angle is less than normal and stereoscopic picture plane display effect is poor.
Summary of the invention
The invention provides a kind of twocouese 3 d display device, serious to solve in prior art in twocouese 3 d display device colour cast phenomenon, the problem that cross effect is serious, visual angle is less than normal and stereoscopic picture plane display effect is poor causing.
For achieving the above object, the invention provides following technical scheme:
A kind of twocouese 3 d display device, comprises the display screen with multiple RGB vittas that are parallel to each other, and also comprises:
Be positioned at the liquid crystal grating of described display screen one side, described liquid crystal grating comprises multiple vertical light grizzly bars that are parallel to each other and are intervally arranged or oblique light grizzly bar, wherein, the direction of described vertical light grizzly bar is vertical with the direction of the RGB vitta in described display screen, the direction of the RGB vitta in the direction of described oblique light grizzly bar and described display screen is default angle, and the angle value of described default angle is between 0 °～90 °.
Preferably, in the time that the direction of the RGB vitta in direction and the described display screen of described oblique light grizzly bar is default angle, described oblique light grizzly bar has certain slope, and the scope of the absolute value of described slope is 2.7～3.3.
Preferably, described liquid crystal grating comprises:
The first substrate, second substrate and the liquid crystal layer between the two that are oppositely arranged;
Be positioned at first electrode of described first substrate towards liquid crystal layer one side surface, described the first electrode comprises multiple the first sub-electrodes that are arranged mutually parallel, and the direction of described the first sub-electrode is vertical with the direction of RGB vitta in described display screen;
Be positioned at second electrode of described second substrate towards liquid crystal layer one side surface, described the second electrode comprises multiple the second sub-electrodes that are arranged mutually parallel, and in the direction of described the second sub-electrode and described display screen, the direction of RGB vitta is default angle.
Preferably, the default angle in the direction of described the second sub-electrode and described display screen between the direction of RGB vitta, equates with the default angle between the direction of the RGB vitta in direction and the described display screen of described oblique light grizzly bar.
Preferably, in the time that the gratings strips in described liquid crystal grating is vertical light grizzly bar, the first control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered odd number, the second control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered even number, the public electrode of described vertical light grizzly bar is the second electrode, i.e. the second all sub-electrodes.
Preferably, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, the first control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered odd number, the second control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered even number, the public electrode of described oblique light grizzly bar is the first electrode, i.e. the first all sub-electrodes.
Preferably, described display screen comprises multiple left-eye image display units and eye image display unit, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, described left-eye image unit and eye image unit are intervally arranged along the direction of described oblique light grizzly bar.
Preferably, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, described left-eye image display unit or eye image unit comprise:
Multiple display modules that are intervally arranged along the direction of described oblique light grizzly bar, each display module includes 6 submodules that along continuous straight runs is arranged successively, each submodule includes 3 sub-pixels of vertically arranging successively, and the 2nd sub-pixel in the 1st sub-pixel and previous submodule in a rear submodule is positioned at same a line.
Preferably, in described 6 submodules, 3 sub-pixels in the 1st submodule are red sub-pixel, 3 sub-pixels in the 2nd submodule are green sub-pixels, 3 sub-pixels in the 3rd submodule are blue subpixels, 3 sub-pixels in the 4th submodule are red sub-pixel, and 3 sub-pixels in the 5th submodule are green sub-pixels, and 3 sub-pixels in the 6th submodule are blue subpixels.
Preferably, every a line of described each display module includes a red sub-pixel, a blue subpixels and a green sub-pixels.
Compared with prior art, technical scheme provided by the present invention at least has the following advantages:
Twocouese 3 d display device provided by the present invention, because the direction of the direction of the gratings strips in liquid crystal grating and the RGB vitta in display screen is vertical or be default angle, and the angle value of described default angle is between 0 °～90 °, therefore, there will not be the direction of the gratings strips situation parallel with the direction of the RGB vitta in display screen, thereby avoid the appearance of colour cast phenomenon, cross effect and visual angle problem less than normal, and then improved the display effect of stereoscopic picture plane.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is twocouese 3 d display device structural representation of the prior art;
Index path when Fig. 2 is normal and improper demonstration of existing 3 d display device;
The structural drawing of the twocouese 3 d display device that Fig. 3 provides for one embodiment of the invention;
The vertical light grizzly bar layout viewing of the twocouese 3 d display device that Fig. 4 provides for one embodiment of the invention;
The oblique light grizzly bar layout viewing of the twocouese 3 d display device that Fig. 5 provides for one embodiment of the invention;
The structural representation of liquid crystal grating in the twocouese 3 d display device that Fig. 6 provides for one embodiment of the invention;
The connection layout of sub-electrode in the twocouese 3 d display device that Fig. 7 a～7b provides for one embodiment of the invention;
The image layout viewing of display screen in the twocouese 3 d display device that Fig. 8 provides for one embodiment of the invention.
Embodiment
As described in background, in existing twocouese 3 d display device, colour cast phenomenon is serious, thereby causes cross effect, visual angle is less than normal and stereoscopic picture plane display effect is poor.Inventor studies discovery, cause the reason of this problem to be, in existing twocouese 3 d display device, the direction of the gratings strips of vertical bar shaped is level and vertical direction, and the direction of the RGB vitta of vertical bar shaped is also horizontal direction or vertical direction in current display, therefore, will inevitably exist the gratings strips of a direction and RGB vitta to be arranged in parallel.
Now, as shown in Figure 2, while tilting to watch RGB vitta 20 by gratings strips 21 at 24 places, position, left eye 22(right eye 23) the actual image of seeing is left eye 22(right eye 23) subregion and/or the right eye 23(left eye 22 of the image that should see) subregion of the image that should see, described subregion is as only having a R in complete rgb pixel, this sub-pixel of G or B or RG, two sub-pixels of RB or GB, thereby make the actual image of seeing of left eye 22 occur colour cast phenomenon, and then cause right and left eyes image cross effect serious, visual angle is less than normal, stereoscopic picture plane display effect is poor.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A lot of details are set forth in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public specific embodiment.
Secondly, the present invention is described in detail in conjunction with schematic diagram, in the time that the embodiment of the present invention is described in detail in detail; for ease of explanation; the sectional view of indication device structure can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.In addition in actual fabrication, should comprise, the three-dimensional space of length, width and the degree of depth.
One embodiment of the present of invention provide a kind of twocouese 3 d display device, as shown in Figure 3, comprise display screen 31, be positioned at display screen 31 1 sides, be positioned at the liquid crystal grating 32 that display screen 31 shows side or backlight side, wherein, in display screen 31, there are multiple vertical bar shape RGB vittas that are parallel to each other, the direction of described RGB vitta is vertical direction, it is Y-direction, certainly in other embodiments, the direction of described RGB vitta can be also horizontal direction, i.e. directions X, now, only need in the time making liquid crystal grating, correspondingly adjust the direction of gratings strips.
In the present embodiment, liquid crystal grating 32 comprises multiple vertical light grizzly bars that are parallel to each other and are intervally arranged, or comprises multiple oblique light grizzly bars that are parallel to each other and are intervally arranged.Apply voltage on first control electrode (or second control electrode) of liquid crystal grating 32 and public electrode time, in liquid crystal grating 32, just form the bright dark alternate gratings strips being parallel to each other, its half-light grizzly bar has formed the vertical light grizzly bar 321 or the oblique light grizzly bar 322 that are intervally arranged, wherein, the direction (directions X) of described vertical light grizzly bar 321 is vertical with the direction (Y-direction) of the RGB vitta in described display screen, as shown in Figure 4, the direction (Y-direction) of the RGB vitta in the direction (Y1 direction) of described oblique light grizzly bar 322 and described display screen is default angle α, the angle value of described default angle α is between 0 °～90 °, as shown in Figure 5.
In addition, in other embodiments of the invention, the direction of described oblique light grizzly bar can be the positive dirction of Y1, can be also the opposite direction of Y1, compared with RGB vitta, oblique raster can be to the left side of described RGB vitta, also can tilt to the right side of described RGB vitta, still, no matter to that lopsidedness, the angle value of the default angle α of itself and Y-direction all, between 0 °～90 °, does not comprise endpoint value.
In the time that the direction (Y-direction) of the RGB vitta in direction (Y1 direction) and the described display screen of described oblique light grizzly bar is default angle α, described oblique light grizzly bar has certain slope, the scope of the absolute value of described slope is 2.7～3.3, now, the angle value of default angle α is optimal selection, and in the present embodiment, the scope of the angle value α of preferred default angle is arctan2.7～arctan3.3.Preferably, slope is 3, and the value of default angle α is arctan3.
Wherein, gratings strips in liquid crystal grating 32 is vertical light grizzly bar, or oblique light grizzly bar, to be determined by the first control electrode in liquid crystal grating 32, the second control electrode and public electrode, and the first control electrode, the second control electrode and public electrode are made up of the first electrode of liquid crystal grating 32 substrates inner sides and the second electrode, therefore,, before introducing the first control electrode, the second control electrode and public electrode, first describe in detail the structure of the liquid crystal grating in the present embodiment.
As shown in Figure 6, the liquid crystal grating in the present embodiment, comprising: the first substrate 61, second substrate 62 and the liquid crystal layer between the two 63 that are oppositely arranged; Be positioned at first electrode of described first substrate 61 towards liquid crystal layer 62 1 side surfaces, described the first electrode comprises multiple the first sub-electrodes 610 that are arranged mutually parallel, and the direction of described the first sub-electrode 610 (directions X) is vertical with the direction (Y-direction) of RGB vitta in described display screen; Be positioned at second electrode of described second substrate 62 towards liquid crystal layer 63 1 side surfaces, described the second electrode comprises multiple the second sub-electrodes 620 that are arranged mutually parallel, and in the direction of described the second sub-electrode 620 (Y1 direction) and described display screen, the direction (Y-direction) of RGB vitta is default angle α, the angle value of this default angle α is between 0 °～90 °, do not comprise endpoint value, and equate with the default angle between the direction of the RGB vitta in direction and the described display screen of described oblique light grizzly bar.
Along the arragement direction of the first sub-electrode 610, the 1st the first sub-electrode is numbered to 1, the numbering of follow-up the first sub-electrode increases by 1 successively, label is respectively a1, a2, a3, a4 ..., being then divided into two groups according to its numbering, the first sub-electrode that is numbered odd number is first group, the first sub-electrode that is numbered even number is second group, the first sub-electrode in described first group is all connected with control circuit A1, and the first sub-electrode in described second group is all connected with control circuit A2, as shown in Figure 7a.
Along the arragement direction of the second sub-electrode 620, the 1st the second sub-electrode is numbered to 1, the numbering of the second follow-up sub-electrode increases by 1 successively, label is b1, b2, b3, b4 ... then be divided into two groups according to its numbering, the second sub-electrode that is numbered odd number is the 3rd group, and the second sub-electrode that is numbered even number is the 4th group, the second sub-electrode in described the 3rd group is all connected with control circuit B1, and the second sub-electrode in described the 4th group is all connected with control circuit B2.
In the present embodiment, due to the direction (directions X) of the first sub-electrode 610 and the direction (Y-direction) of RGB vitta in described display screen vertical, therefore, the gratings strips of its formation is also the direction vertical light grizzly bar vertical with the direction of the RGB vitta in described display screen, therefore, making the gratings strips in liquid crystal grating is vertical light grizzly bar, just the first sub-electrode in first group need to be set as to the first control electrode, the first sub-electrode in second group is set as to the second control electrode, the second sub-electrode in the 3rd group and the 4th group is set as to public electrode.In the time that the gratings strips in liquid crystal grating is vertical light grizzly bar, the first control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered odd number, the second control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered even number, the public electrode of described vertical light grizzly bar is the second electrode, i.e. the second all sub-electrode in the 3rd group and the 4th group.Now, in the time that liquid crystal grating is worked, in control circuit B1 and B2, input same voltage signal simultaneously.
In addition, because the direction (Y-direction) of RGB vitta in the direction (Y1 direction) of the second sub-electrode 620 and described display screen is default angle, therefore, the gratings strips of its formation is also the oblique light grizzly bar of default angle α for the direction of the RGB vitta in direction and described display screen, therefore, making the gratings strips in liquid crystal grating is oblique light grizzly bar, just the second sub-electrode in the 3rd group need to be set as to the first control electrode, the second sub-electrode in the 4th group is set as to the second control electrode, the first sub-electrode in first group and second group is set as to public electrode.In the time that the gratings strips in liquid crystal grating is oblique light grizzly bar, the first control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered odd number, the second control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered even number, the public electrode of described oblique light grizzly bar is the first electrode, i.e. the first all sub-electrode of first group and second group.
Wherein, liquid crystal grating structural drawing shown in Fig. 6 is only schematic diagram, in fact, gap between multiple the first sub-electrodes 610 and between multiple the second sub-electrode 620 is very little, as long as make insulation between sub-electrode by insulation course, its width is negligible, therefore, the first electrode (the second electrode) is during as public electrode, and described public electrode is to cover the whole surface of first substrate (second substrate).
When apply voltage on described the first control electrode and public electrode, do not apply voltage on described the second control electrode time, the region that the first control electrode is corresponding has formed lighttight half-light grizzly bar, its corresponding left eye (right eye) image is entirely black, and image corresponding to the second control electrode enters human eye by gratings strips; When apply voltage on the second control electrode and public electrode, do not apply voltage on the first control electrode time, the region that the second control electrode is corresponding has formed lighttight half-light grizzly bar, its corresponding right eye (left eye) image is entirely black, and image corresponding to the first control electrode enters human eye by gratings strips.
In the present embodiment, in the time that the gratings strips in liquid crystal grating is oblique light grizzly bar, the image in display screen also will be set as tilted image accordingly.Display screen comprises multiple left-eye image display units and eye image display unit, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, and described left-eye image unit and eye image unit and corresponding the arranging of described oblique light grizzly bar.
Wherein, each left-eye image display unit or eye image display unit, as shown in Figure 7, comprise: multiple display modules of arranging along the direction of described oblique light grizzly bar 70, each display module 70 includes 6 submodules 701～706 that along continuous straight runs is arranged successively, each submodule includes 3 sub-pixels of vertically arranging successively, and the 2nd sub-pixel in the 1st sub-pixel in a rear submodule and previous submodule is positioned at same a line, for example, submodule 701 comprises 3 sub-pixels 7011 of arranging successively from top to bottom, 7012 and 7013, submodule 702 comprises 3 sub-pixels 7021 of arranging successively from top to bottom, 7022 and 7023, and the 1st sub-pixel 7021 in submodule 702 is positioned at same a line with the 2nd sub-pixel 7012 in submodule 701.
As shown in Figure 7, in described 6 submodules, 3 sub-pixels in the 1st submodule are red sub-pixel, 3 sub-pixels in the 2nd submodule are green sub-pixels, 3 sub-pixels in the 3rd submodule are blue subpixels, 3 sub-pixels in the 4th submodule are red sub-pixel, and 3 sub-pixels in the 5th submodule are green sub-pixels, and 3 sub-pixels in the 6th submodule are blue subpixels.
After described 6 submodules are arranged as shown in Figure 7, each provisional capital of each display module has a complete rgb pixel, all there is a red sub-pixel R, a green sub-pixels G and a blue subpixels B, and, in every row of arranging from top to bottom, the ordering of sub-pixel along continuous straight runs is followed successively by RGB, GBR, BRG, RGB, the lattice structure of R-GB and RG-B, and every 8 row circulation primary, wherein, when continuous sub-pixel is not enough to form RGB continuous whole pixel, by with this row in other sub-pixels form a complete complete pixel, as R-GB refers to the full black mole pixel in 3, interval between R sub-pixel and G sub-pixel, as the 5th row in Fig. 7, the G after 3 the full black mole pixels in the R sub-pixel of first row and interval and the RGB structure of B complete.
In the present embodiment, from microcosmic, the image in each display module tilts, but from overall picture, each left-eye image display unit or image corresponding to eye image display unit are vertical, therefore, it can't affect the demonstration of general image picture.
In the twocouese 3 d display device that the present embodiment provides, no matter be to watch image by vertical light grizzly bar or oblique light grizzly bar, even if tilt to watch, see that along direction adjacent sub-pixel gets on, but because actual adjacent subpixels of watching is same color with the sub-pixel that should watch, for example, while tilting to watch, the actual green sub-pixels of seeing eye image of left eye, but because the sub-pixel in its former left-eye image that should watch is also green sub-pixels, therefore, after the actual sub-pixel of seeing mixes with red sub-pixel and green sub-pixels, what show is still White-light image, there will not be colour cast phenomenon, and its cross effect and visual angle are all normal.
The twocouese 3 d display device that the present embodiment provides, because the direction of the direction of the gratings strips in liquid crystal grating and the RGB vitta in display screen is vertical or be default angle, and the angle value of described default angle is between 0 °～90 °, therefore, there will not be the direction of the gratings strips situation parallel with the direction of the RGB vitta in display screen, thereby avoid the appearance of colour cast phenomenon, cross effect and visual angle problem less than normal, and then improved the display effect of stereoscopic picture plane.
Although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention.Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solution of the present invention, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solution of the present invention,, all still belongs in the scope of technical solution of the present invention protection simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present invention.
Claims (10)
1. a twocouese 3 d display device, comprises the display screen with multiple RGB vittas that are parallel to each other, and it is characterized in that, also comprises:
Be positioned at the liquid crystal grating of described display screen one side, described liquid crystal grating comprises multiple vertical light grizzly bars that are parallel to each other and are intervally arranged or oblique light grizzly bar, wherein, the direction of described vertical light grizzly bar is vertical with the direction of the RGB vitta in described display screen, the direction of the RGB vitta in the direction of described oblique light grizzly bar and described display screen is default angle, and the angle value of described default angle is between 0 °～90 °.
2. twocouese 3 d display device according to claim 1, it is characterized in that, in the time that the direction of the RGB vitta in direction and the described display screen of described oblique light grizzly bar is default angle, described oblique light grizzly bar has certain slope, and the scope of the absolute value of described slope is 2.7～3.3.
3. twocouese 3 d display device according to claim 2, is characterized in that, described liquid crystal grating comprises:
The first substrate, second substrate and the liquid crystal layer between the two that are oppositely arranged;
Be positioned at first electrode of described first substrate towards liquid crystal layer one side surface, described the first electrode comprises multiple the first sub-electrodes that are arranged mutually parallel, and the direction of described the first sub-electrode is vertical with the direction of RGB vitta in described display screen;
Be positioned at second electrode of described second substrate towards liquid crystal layer one side surface, described the second electrode comprises multiple the second sub-electrodes that are arranged mutually parallel, and in the direction of described the second sub-electrode and described display screen, the direction of RGB vitta is default angle.
4. twocouese 3 d display device according to claim 3, it is characterized in that, default angle in the direction of described the second sub-electrode and described display screen between the direction of RGB vitta, equates with the default angle between the direction of the RGB vitta in direction and the described display screen of described oblique light grizzly bar.
5. twocouese 3 d display device according to claim 4, it is characterized in that, in the time that the gratings strips in described liquid crystal grating is vertical light grizzly bar, the first control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered odd number, the second control electrode of described vertical light grizzly bar is the first sub-electrode that is numbered even number, the public electrode of described vertical light grizzly bar is the second electrode, i.e. the second all sub-electrodes.
6. twocouese 3 d display device according to claim 5, it is characterized in that, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, the first control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered odd number, the second control electrode of described oblique light grizzly bar is the second sub-electrode that is numbered even number, the public electrode of described oblique light grizzly bar is the first electrode, i.e. the first all sub-electrodes.
7. twocouese 3 d display device according to claim 1, it is characterized in that, described display screen comprises multiple left-eye image display units and eye image display unit, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, the display module in described left-eye image unit or eye image unit and described oblique light grizzly bar corresponding tilt are arranged.
8. twocouese 3 d display device according to claim 7, is characterized in that, in the time that the gratings strips in described liquid crystal grating is oblique light grizzly bar, described left-eye image display unit or eye image unit comprise:
The display module that multiple and described oblique light grizzly bar corresponding tilt is arranged, each display module includes 6 submodules that along continuous straight runs is arranged successively, each submodule includes 3 sub-pixels of vertically arranging successively, and the 2nd sub-pixel in the 1st sub-pixel and previous submodule in a rear submodule is positioned at same a line.
9. twocouese 3 d display device according to claim 8, it is characterized in that, in described 6 submodules, 3 sub-pixels in the 1st submodule are red sub-pixel, 3 sub-pixels in the 2nd submodule are green sub-pixels, 3 sub-pixels in the 3rd submodule are blue subpixels, 3 sub-pixels in the 4th submodule are red sub-pixel, 3 sub-pixels in the 5th submodule are green sub-pixels, and 3 sub-pixels in the 6th submodule are blue subpixels.
10. twocouese 3 d display device according to claim 9, is characterized in that, every a line of described each display module includes a red sub-pixel, a blue subpixels and a green sub-pixels.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410124325.0A CN103838030A (en) | 2014-03-28 | 2014-03-28 | Bidirectional three-dimensional display device |
| PCT/CN2014/080586 WO2015143791A1 (en) | 2014-03-28 | 2014-06-24 | Bidirectional stereoscopic display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410124325.0A CN103838030A (en) | 2014-03-28 | 2014-03-28 | Bidirectional three-dimensional display device |
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| CN103838030A true CN103838030A (en) | 2014-06-04 |
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| CN201410124325.0A Pending CN103838030A (en) | 2014-03-28 | 2014-03-28 | Bidirectional three-dimensional display device |
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| CN104950462A (en) * | 2015-07-21 | 2015-09-30 | 京东方科技集团股份有限公司 | 3D display device and working method thereof |
| WO2015143791A1 (en) * | 2014-03-28 | 2015-10-01 | 信利半导体有限公司 | Bidirectional stereoscopic display apparatus |
| CN105578175A (en) * | 2014-10-11 | 2016-05-11 | 深圳超多维光电子有限公司 | Stereoscopic display device testing system and stereoscopic display device testing method |
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