CN105842865A - Thin grating 3D displayer based on slit gratings - Google Patents
Thin grating 3D displayer based on slit gratings Download PDFInfo
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- CN105842865A CN105842865A CN201610455332.8A CN201610455332A CN105842865A CN 105842865 A CN105842865 A CN 105842865A CN 201610455332 A CN201610455332 A CN 201610455332A CN 105842865 A CN105842865 A CN 105842865A
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- slit
- grating
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- pixel column
- slit grating
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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
- G02B30/27—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 lenticular arrays
Abstract
The invention relates to a thin grating 3D displayer based on slit gratings. The thin grating 3D displayer comprises a backlight source, rear slit gratings, a liquid crystal display panel and front slit gratings which are arranged in a mutually parallel way in turn. The backlight source is used for providing light energy used for displaying. The liquid crystal display panel comprises sub-pixel columns which are arranged in parallel and belong to different parallax images respectively and is used for displaying two or more parallax images. The slit of each rear slit grating is arranged to be uniquely corresponding to one column of the sub-pixel columns, and the slit of each front slit grating is arranged to be uniquely corresponding to one column of the sub-pixel columns so as to be used for modulating the direction of light.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of slim three-dimensional (Three-based on slit grating
Dimensional, 3D) display.
Background technology
In prior art, 3D display based on slit grating is that a kind of need not helps the 3D display regarding equipment.It leads to
That crosses slit grating blocks effect, by the pixel projection of zones of different on 2D display floater to different direction in spaces, thus
Realize 3D to show.3D display based on slit grating is relative to other 3D display, and cost is relatively low, is therefore easy to manufacture and push away
Extensively.
3D display based on slit grating is made up of 2D display floater and slit grating.2D display floater is used for providing
From several anaglyphs of same stereo scene, and slit grating utilizes it that light blocks effect, is existed by these anaglyphs
On direction in space separately, different viewpoints is formed.When beholder's eyes are respectively at different viewpoints, it becomes possible to be respectively seen
Corresponding anaglyph, thus form three-dimensional sense organ, it is achieved presenting of stereo scene.But, owing to the spectroscopic processes of grating needs
Want certain space, need to arrange certain spacing distance between slit grating to 2D display floater, show accordingly, with respect to 2D
Device, the thickness of slit grating 3D display of the prior art is the biggest.
Summary of the invention
The goal of the invention of the present invention is: the problem existed for above-mentioned prior art, it is provided that a kind of thickness little based on
The slim 3D display of slit grating.
To achieve these goals, the technical solution used in the present invention is:
A kind of slim grating 3D display based on slit grating, it is characterised in that described display includes the most mutual
The backlight be arrangeding in parallel, rearmounted slit grating, display panels and preposition slit grating；
Described backlight is for providing the luminous energy of display；
Described display panels includes the sub-pixel column being belonging respectively to different anaglyph be arrangeding in parallel, is used for showing
More than or equal to two width anaglyphs；
The slit of each described rearmounted slit grating is uniquely correspondingly arranged with the string in described sub-pixel column, each
The slit of described preposition slit grating is uniquely correspondingly arranged with the string in described sub-pixel column, for modulating the direction of light.
Preferably, the slot number of above-mentioned preposition slit grating is more than or equal to the total quantity of described sub-pixel column, described
The slot number of rearmounted slit grating is equal to the total quantity of described sub-pixel column；Or,
The slot number of described preposition slit grating is equal to the total quantity of described sub-pixel column, described rearmounted slit grating
Slot number is more than or equal to the total quantity of described sub-pixel column.
Preferably, above-mentioned rearmounted slit grating corresponding to same viewpoint and belongs to same anaglyph with adjacent respectively
Slot pitch p corresponding to sub-pixel columnb, the slit width w of described rearmounted slit gratingb, the pitch P of described sub-pixel columnp,
Corresponding to same viewpoint and corresponding with the adjacent sub-pixel column belonging to same anaglyph respectively in described preposition slit grating
Slot pitch pf, the slit width w of described preposition slit gratingf, viewing ratio D of described display, viewpoint spacing
wv, between the thickness h of described display panels, and distance d of described preposition slit grating and described rearmounted slit grating
Meet following relation:
And
h≤d；
Wherein n is the viewpoint number of described display.
Preferably, in above-mentioned rearmounted slit grating corresponding with adjacent viewpoint respectively and respectively with adjacent sub-pixel column pair
The slit separation l answeredb, and in described preposition slit grating corresponding with adjacent viewpoint respectively and respectively with adjacent sub-pixel
The slit separation l that row are correspondingf, meet following relation further:
And
Or,
And
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows:
By setting the most corresponding with the string in sub-pixel column for the slit of each rearmounted slit grating in 3D display
Putting, the slit of each preposition slit grating is uniquely correspondingly arranged with the string in sub-pixel column, it is achieved the direction of modulation light,
And spectroscopic processes completes in display panels, thus reduce the spacer between slit grating and display panels
From, the integral thickness making 3D display is consistent with the thickness convergence of display panels, therefore efficiently reduces 3D display
Integral thickness.
Accompanying drawing explanation
Fig. 1 is the structural representation of based on slit grating the slim grating 3D display that one embodiment of the invention provides；
Fig. 2 is the structural representation of based on slit grating the slim grating 3D display that another embodiment of the present invention provides
Figure；
Fig. 3 is the structural representation of based on slit grating the slim grating 3D display that further embodiment of this invention provides
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is further elaborated, so that the purpose of the present invention, technology
Scheme and advantage are clearer.Should be appreciated that specific embodiment described herein, and need not only in order to explain the present invention
In limiting the present invention.
Embodiment one
As it is shown in figure 1, based on slit grating the slim grating 3D display that one embodiment of the invention provides includes successively
Backlight 1, rearmounted slit grating 2, display panels 3 and preposition slit grating 4 arranged in parallel.
Wherein, backlight 1 is for providing the luminous energy of display；
Display panels 3 includes sub-pixel column (the first sub-pixel being belonging respectively to different anaglyph be arrangeding in parallel
Row 31 and the second sub-pixel column 32), for display more than or equal to two width anaglyphs.As it is shown in figure 1, illustrate only by
One sub-pixel column 31 and the second sub-pixel column 32 show the first anaglyph and the situation of the second anaglyph respectively.This area
It will be appreciated by the skilled person that the display more than two width anaglyphs can be realized, accordingly by increasing the 3rd sub-pixel column etc.
Ground, number of views can also be more than two groups.
The slit of each rearmounted slit grating 3 unique and the first sub-pixel column 31 in string or the second sub-pixel column
String in 32 is correspondingly arranged, the slit of each preposition slit grating 4 unique and the first sub-pixel column 31 in string or
String in second sub-pixel column 32 is correspondingly arranged, for modulating the direction of light.
Backlight 1 provides the luminous energy of display, emits beam；Display panels 3 is shown by the first sub-pixel column 31
First anaglyph, shows the second anaglyph by the second sub-pixel column 32；The slit of each rearmounted slit grating 3 is unique
With the first sub-pixel column 31 in string or string in the second sub-pixel column 32 be correspondingly arranged, each preposition slit grating
The slit of 4 uniquely with the first sub-pixel column 31 in string or string in the second sub-pixel column 32 be correspondingly arranged so that the back of the body
The light that light source 1 sends is by, after rearmounted slit grating 2, carrying out optical information modulation, then via front in display panels 2
Put slit grating 4 and project assigned direction, form left view point and right viewpoint in viewing ratio.Left eye and the right side as beholder
Eye is when being respectively at left view point and right viewpoint, it can be seen that first anaglyph corresponding with left view point and corresponding with right viewpoint
The second anaglyph, the first anaglyph based on anaglyph each other and the second anaglyph produce stereo-picture.When regarding
Difference image is more than two width, when the quantity of viewpoint is also greater than two groups, can be combined by different anaglyphs, realize different
3D rendering shows.
In above-described embodiment, by by unique for the slit of each rearmounted slit grating in 3D display and sub-pixel column
String be correspondingly arranged, the slit of each preposition slit grating is uniquely correspondingly arranged with the string in sub-pixel column, it is achieved adjust
The direction of light processed, and spectroscopic processes completes in display panels, thus reduce slit grating and display panels
Between spacing distance, the integral thickness making 3D display is consistent with the thickness convergence of display panels, the most effectively subtracts
The little integral thickness of 3D display.
Embodiment two
As in figure 2 it is shown, in based on slit grating the slim grating 3D display of another embodiment of the present invention offer, rearmounted
Corresponding to same viewpoint and (such as, adjacent with the adjacent sub-pixel column belonging to same anaglyph respectively in slit grating 2
First sub-pixel column 31 or the slit of the second adjacent sub-pixel column 32 correspondence) corresponding slot pitch pb, rearmounted slit grating 2
Slit width wb, the pitch P of sub-pixel column (first sub-pixel column 31 or the second sub-pixel column 32)p, in preposition slit grating 4
Corresponding to same viewpoint and respectively with adjacent sub-pixel column (the first such as, the adjacent sub-pixel belonging to same anaglyph
Row 31 or the second adjacent sub-pixel column 32) corresponding slot pitch pf, the slit width w of preposition slit grating 4f, display
Viewing ratio D, viewpoint spacing wv, the thickness h of display panels 3, and preposition slit grating 4 and rearmounted slit grating
Following relation is met between distance d of 2:
And
h≤d；
Wherein n is the viewpoint number of described display.
In a preferred embodiment, in rearmounted slit grating 2 corresponding with adjacent viewpoint respectively and respectively with adjacent son
The slit separation l that pixel column (the first such as, adjacent sub-pixel column 31 and the second sub-pixel column 32) is correspondingb, and preposition narrow
In seam grating 4 corresponding with adjacent viewpoint respectively and respectively with adjacent sub-pixel column (the first such as, adjacent sub-pixel column 31
With the second sub-pixel column 32) corresponding slit separation lf, meet following relation further:
And
Or,
And
In a preferred embodiment, rearmounted slit grating 2 corresponding to same viewpoint and belongs to same with adjacent respectively
The slot pitch p that the sub-pixel column of anaglyph is correspondingbFor 2.004mm, in rearmounted slit grating 2 respectively with adjacent viewpoint pair
Answer and slit separation l corresponding with adjacent sub-pixel column respectivelybFor 0.872mm, the slit width w of rearmounted slit grating 2bFor
0.3006mm, the first sub-pixel column 31 or pitch P of the second sub-pixel column 32pFor 1mm, the slit width w of preposition slit grating 4f
For 0.3mm, viewing ratio D of display is 1000mm, viewpoint spacing wvFor 65mm, the thickness h of display panels 3 is
2mm, preposition slit grating 4 is 2mm with distance d of rearmounted slit grating 2, and viewpoint number n of display is 2, preposition slit light
Corresponding to same viewpoint and corresponding with the first adjacent sub-pixel column 31 or the second adjacent sub-pixel column 32 narrow respectively in grid 4
Seam pitch PfFor corresponding with adjacent viewpoint respectively in 2mm, and preposition slit grating 4 and respectively with adjacent sub-pixel column pair
The slit separation l answeredfFor 1mm.
Embodiment three
In a preferred embodiment, the slot number of preposition slit grating 4 is more than or equal to the total quantity (example of sub-pixel column
As, the first sub-pixel column 31 and columns sum of the second sub-pixel column 32), the slot number of rearmounted slit grating 2 is equal to sub-picture
The total quantity of element row；Or, the slot number of preposition slit grating 4 is equal to the total quantity of sub-pixel column, rearmounted slit grating 2
Slot number is more than or equal to the total quantity of sub-pixel column.
Specifically, the string in sub-pixel column can corresponding one or more slit, and slit is unique and sub-pixel
String in row is corresponding.Such as, the first sub-pixel column 31 or the second sub-pixel column 32 can distinguish corresponding one or more slit.
As Fig. 3 shown in local, the slot number of preposition slit grating 4 is equal to the first sub-pixel column 31 and the second sub-pixel column 32
Columns sum, the slot number of rearmounted slit grating 2 is more than the first sub-pixel column 31 and columns sum of the second sub-pixel column 32,
I.e. first sub-pixel column 31 and the second sub-pixel column 32 can distinguish the slit of corresponding one or two rearmounted slit grating 2, phase
Ying Di, can show same width anaglyph in one or two viewpoints.
Specifically, when the slit of corresponding two the rearmounted slit gratings 2 of the first sub-pixel column 31, respectively at the first left view point
The first anaglyph is shown with the second left view point；When the slit of corresponding two the rearmounted slit gratings 2 of the second sub-pixel column 32, point
Do not show the second anaglyph in the second right viewpoint and the first right viewpoint.
In a preferred embodiment, as it is shown on figure 3, owing to the viewpoint adjacent with the first right viewpoint has two (the first left views
Point and the second left view point), therefore, corresponding and sub with adjacent first respectively with adjacent viewpoint respectively in rearmounted slit grating 2
Pixel column 31 and the slit separation l of the second sub-pixel column 32 correspondencebCan there be two kinds of values, it may be assumed that
The embodiment of the present invention provide based on slit grating slim grating 3D display by reduce slit grating with
Spacing distance between display panels, the integral thickness making 3D display is consistent with the thickness convergence of display panels,
Efficiently reduce the integral thickness of 3D display, can be widely applied to advertising display board, DPF, mobile phone, flat board electricity
On the various electronic product with display function such as brain, game terminal.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all former in the present invention
Any amendment, equivalent and the improvement etc. made within then, should be included within the scope of the present invention.
Claims (4)
1. a slim grating 3D display based on slit grating, it is characterised in that described display includes the most mutually putting down
Backlight, rearmounted slit grating, display panels and the preposition slit grating that row is arranged；
Described backlight is for providing the luminous energy of display；
Described display panels includes the sub-pixel column being belonging respectively to different anaglyph be arrangeding in parallel, is more than for display
Or equal to two width anaglyphs；
The slit of each described rearmounted slit grating is uniquely correspondingly arranged with the string in described sub-pixel column, described in each
The slit of preposition slit grating is uniquely correspondingly arranged with the string in described sub-pixel column, for modulating the direction of light.
Slim grating 3D display based on slit grating the most according to claim 1, it is characterised in that described preposition narrow
The slot number of seam grating is more than or equal to the total quantity of described sub-pixel column, and the slot number of described rearmounted slit grating is equal to
The total quantity of described sub-pixel column；Or,
The slot number of described preposition slit grating is equal to the total quantity of described sub-pixel column, the slit of described rearmounted slit grating
Quantity is more than or equal to the total quantity of described sub-pixel column.
Slim grating 3D display based on slit grating the most according to claim 1 and 2, it is characterised in that after described
Put in slit grating corresponding to same viewpoint and slit corresponding with the adjacent sub-pixel column belonging to same anaglyph respectively
Pitch Pb, the slit width w of described rearmounted slit gratingb, the pitch P of described sub-pixel columnp, right in described preposition slit grating
Should be in same viewpoint and slot pitch p corresponding with the adjacent sub-pixel column belonging to same anaglyph respectivelyf, described preposition
The slit width w of slit gratingf, viewing ratio D of described display, viewpoint spacing wv, the thickness of described display panels
Spend and between h, and distance d of described preposition slit grating and described rearmounted slit grating, meet following relation:
And
h≤d；
Wherein n is the viewpoint number of described display.
Slim grating 3D display based on slit grating the most according to claim 3, it is characterised in that described rearmounted narrow
Slit separation l corresponding and corresponding with adjacent sub-pixel column respectively with adjacent viewpoint respectively in seam gratingb, and described before
Put slit separation l corresponding and corresponding with adjacent sub-pixel column respectively with adjacent viewpoint respectively in slit gratingf, further
Meet following relation:
And
Or,
And
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| CN201610455332.8A CN105842865B (en) | 2016-06-21 | 2016-06-21 | A kind of slim grating 3D display device based on slit grating |
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| CN201610455332.8A CN105842865B (en) | 2016-06-21 | 2016-06-21 | A kind of slim grating 3D display device based on slit grating |
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| CN107561724A (en) * | 2017-11-01 | 2018-01-09 | 京东方科技集团股份有限公司 | 3 d display device and display device |
| CN108051927A (en) * | 2018-02-07 | 2018-05-18 | 成都工业学院 | A kind of 3D display device |
| CN110208955A (en) * | 2019-05-25 | 2019-09-06 | 成都工业学院 | One-dimensional integrated imaging double vision 3D display device |
| CN117518519A (en) * | 2023-12-29 | 2024-02-06 | 成都工业学院 | Three-dimensional display device with arc view points distributed |
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| CN117518519A (en) * | 2023-12-29 | 2024-02-06 | 成都工业学院 | Three-dimensional display device with arc view points distributed |
| CN117518519B (en) * | 2023-12-29 | 2024-03-05 | 成都工业学院 | Three-dimensional display device with arc view points distributed |
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