CN106199989B - 3D membrane phase alignment device and method - Google Patents
3D membrane phase alignment device and method Download PDFInfo
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- CN106199989B CN106199989B CN201610849811.8A CN201610849811A CN106199989B CN 106199989 B CN106199989 B CN 106199989B CN 201610849811 A CN201610849811 A CN 201610849811A CN 106199989 B CN106199989 B CN 106199989B
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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
- G02B30/34—Stereoscopes providing a stereoscopic pair of separated images corresponding to parallactically displaced views of the same object, e.g. 3D slide viewers
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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
- G02B30/22—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 stereoscopic type
- G02B30/25—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 stereoscopic type using polarisation techniques
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Abstract
The present invention provides a kind of 3D membrane phase alignment device and method, belongs to 3D membrane phase technique of counterpoint field, can at least partly solve the problems, such as existing 3D membrane phase alignment mode low precision, complex process.3D membrane phase alignment method of the invention includes: that image acquisition units are directed at detection position, the check bit is set to the intersection of neighbouring viewing zones in display panel, analyzer is equipped with before described image acquisition unit, the analyzer allows the light penetrated by a kind of phase region of 3D membrane phase to pass through, without allowing to be passed through by the light that another phase region penetrates；The position of 3D membrane phase is adjusted slightly to be aligned to it；In the case where display panel is shown, with the image of image acquisition units acquisition testing position, the position of 3D membrane phase is adjusted according to described image, is overlapped the boundary of clear zone and dark space in described image with the boundary of the neighbouring viewing zones.
Description
Technical field
The invention belongs to 3D membrane phase technique of counterpoint fields, and in particular to a kind of 3D membrane phase alignment device and method.
Background technique
As shown in Figure 1, a kind of 3D display mode is the setting 3D membrane phase 2 before display panel 1 (2D display panel), and
Corresponding 3D glasses are used when viewing.Wherein, the pixel of display panel 1 adheres to different vision areas separately (such as each row pixel belongs in turn
Left view area 11 and right vision area 12), and left view area 11 and right vision area 12 show the image for left eye and right eye viewing respectively.3D phase
The position corresponding with left view area 11 and right vision area 12 of film 2 is respectively out of phase area (left phase region 21 and right phase region 22),
The light that the left view area 11 of display panel 1 and right vision area 12 issue changes respectively after penetrating left phase region 21 and right phase region 22 respectively
For different polarization light, such as it is changed into left-handed rotatory polarization and dextrorotation rotatory polarization respectively.Two eyeglasses of 3D glasses are respectively to allow difference
The analyzer that light passes through, such as respectively dextrorotation rotatory polarization piece and left-handed rotatory polarization piece.In this way, the light that different vision areas issue is through difference
Can only be by the particular optic of 3D glasses after phase region, therefore the left eye of user and right eye can see the different figures from different vision areas
Picture realizes 3D display.
Obviously, Yao Shixian 3D display, (i.e. vision area and phase region is opposite for the relative position of display panel 1 and 3D membrane phase 2
Position) must be very accurate, if there is deviation that can cause crosstalk, that is, the image for having certain vision area enters another eyes, therefore wants
3D membrane phase 2 is aligned.Existing alignment mode is that alignment mark 9 is respectively set on display panel 1 and 3D membrane phase 2
(Mark), during contraposition, alignment mark 9 is observed with CCD (charge coupled cell) camera etc., if alignment mark 9 is overlapped
Then indicate that contraposition is completed.
But the resolution of existing alignment mark 9 is not high, it may be difficult to offer a clear explanation, therefore can reduce aligning accuracy；And
And there is also certain deviations for the formation precision of alignment mark 9 itself, this also will affect aligning accuracy；In addition, alignment mark 9 is also
It needs independent step to be formed, will increase complex process degree.
Summary of the invention
The present invention at least partly solves the problems, such as existing 3D membrane phase alignment mode low precision, complex process, provides one
Kind precision is high and does not need to be formed the 3D membrane phase alignment device and method of alignment mark.
Solving technical solution used by present invention problem is a kind of 3D membrane phase alignment method comprising:
Image acquisition units are directed at detection position, the check bit is set to the intersection of neighbouring viewing zones in display panel,
Analyzer is equipped with before described image acquisition unit, the analyzer allows the light penetrated by a kind of phase region of 3D membrane phase to lead to
It crosses, without allowing to be passed through by the light that another phase region penetrates；
The position of 3D membrane phase is adjusted slightly to be aligned to it；
In the case where display panel is shown, with the image of image acquisition units acquisition testing position, according to described
The position of Image Adjusting 3D membrane phase is overlapped the boundary of clear zone and dark space in described image with the boundary of the neighbouring viewing zones.
Preferably, described image acquisition unit has multiple, is respectively aligned to multiple detection positions.
It may further be preferable that the multiple detection position includes: two inspections for being located at two diagonal section of display panel
Location is set；The detection position in the middle part of display panel and/or.
Preferably, it is described by image acquisition units be aligned detection position include: that image acquisition units are directed at the phase
At black matrix in adjacent vision area between adjacent pixel, so that its alignment detection position.
Preferably, it is described by image acquisition units be aligned detection position include: that image acquisition units are directed at check bit
The center set and the boundary of the neighbouring viewing zones is made to be located at the image that it is acquired.
Preferably, the display panel carries out being shown as showing white picture.
Solving technical solution used by present invention problem is a kind of 3D membrane phase alignment device comprising:
Image acquisition units, the image for acquisition testing position；
Analyzer allows the light penetrated by a kind of phase region of 3D membrane phase to pass through, without allowing by another phase
The light that area penetrates passes through.
Preferably, the analyzer is connected on described image acquisition unit by switching mechanism, the switching mechanism
For switching the analyzer between the position before image acquisition units in the position being located at before image acquisition units and leaving.
Preferably, the 3D membrane phase alignment device further include: acquisition driving unit, for adjusting described image acquisition
The position of unit；And/or 3D driving unit, for adjusting the position of the 3D membrane phase.
It preferably, is rotatory polarization through the light of the 3D membrane phase, the analyzer is rotatory polarization piece；Or, through institute
The light for stating 3D membrane phase is line polarisation, and the analyzer is line polarisation piece.
In 3D membrane phase alignment method of the invention, by the way that analyzer is arranged, the boundary in out of phase area can be made to become bright
The boundary in area and dark space, that is, the phase region boundary of visually undistinguishable originally is become apparent from, as long as therefore by phase
Digit separator circle is aligned with vision area boundary can be realized contraposition, greatly improve aligning accuracy；And it does not use alignment mark, therefore do not deposit
In the problem of alignment mark precision deficiency, without the step of forming alignment mark, simple process.
Detailed description of the invention
Fig. 1 is existing 3D membrane phase alignment method schematic diagram；
Fig. 2 is a kind of 3D membrane phase alignment method schematic diagram of the embodiment of the present invention；
Fig. 3 is the partial structural diagram that position is detected in Fig. 2；
Fig. 4 is acquired image in situation a kind of in the 3D membrane phase alignment method of Fig. 2；
Fig. 5 is acquired image in another case in the 3D membrane phase alignment method of Fig. 2；
Fig. 6 is acquired image in another case in the 3D membrane phase alignment method of Fig. 2；
Wherein, appended drawing reference are as follows: 1, display panel；11, left view area；12, right vision area；2,3D membrane phase；21, Zuo Xiangwei
Area；22, right phase region；3, image acquisition units；4, analyzer；61, clear zone；62, dark space；7, position is detected；81, pixel；82,
Black matrix；9, alignment mark.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Present invention is further described in detail for formula.
Embodiment 1:
As shown in Figures 2 to 6, the present embodiment provides a kind of 3D membrane phase alignment methods, comprising:
S101, image acquisition units 3 are directed to detection position 7.Wherein, detection position 7 is (the 2D display surface of display panel 1
Plate) in neighbouring viewing zones intersection, analyzer 4 is equipped with before image acquisition units 3, analyzer 4 allows one kind by 3D membrane phase 2
The light that phase region penetrates passes through, without allowing to be passed through by the light that another phase region penetrates.
Image acquisition units 3 can have the device of Image Acquisition ability for CCD camera etc..In this step, it will show
After panel 1 fixes, then by image acquisition units 3 be moved to the different vision area intersections of corresponding display panel 1 position (detection
Position 7), thus guarantee its acquisition image in a part be left view area 11 image, another part is the image of right vision area 12.
Wherein, analyzer 4, a kind of analyzer 4 phases allowed by 3D membrane phase 2 are equipped with before image acquisition units 3
The light that position area penetrates passes through (light of left phase region is such as allowed to pass through), therefore its eyeglass for being equivalent to 3D glasses.Certainly, due to
There are no setting 3D membrane phases 2 at this time, therefore image acquisition units 3 can collect the image of two vision areas through analyzer 4 simultaneously.
Preferably, image acquisition units 3 have multiple, are respectively aligned to multiple detection positions 7.
It is furthermore preferred that multiple detection positions 7 include: two detection positions for being located at two diagonal sections of display panel 1
7；The detection position 7 positioned at 1 middle part of display panel and/or.
That is, it is preferred that set multiple detection positions 7 in display panel 1, and detect position 7 preferably include to be set to it is aobvious
Show the detection position 7 in panel 1 diagonal (such as upper left corner and the lower right corner) and middle part.It is equivalent to the baseline for extending contraposition in this way, has
Conducive to raising aligning accuracy.
Preferably, this step is to be directed at image acquisition units 3 at the black matrix 82 in neighbouring viewing zones between adjacent pixel 81,
So that its alignment detection position 7.
Obviously, black matrix 82 is equipped between adjacent pixel 81, therefore as shown in figure 3, if two pixels 81 adhere to two vision areas separately,
The boundary of namely two vision areas of black matrix 82 between them.Therefore, as long as image acquisition units 3 are directed at the above black matrix
At 82, that is, make its alignment detection position 7.It is with the advantages of upper type, many structures in pixel 81 are transparent, hardly possiblies
To observe, and black matrix is then obvious, therefore can be aligned with it for standard.
Certainly, when vision area division is different, then the position of the above boundary (black matrix 82) is also different, image acquisition units 3
Position also accordingly to adjust.
Preferably, this step is specially that image acquisition units 3 are directed at detection position 7 and are located at the boundary of neighbouring viewing zones
The center of its image acquired.
That is, as shown in figure 3, the boundary in preferably 81st area of adjacent pixel is placed exactly in image and adopts after the completion of alignment
The center (such as transversal centerline) for collecting 3 acquired image of unit (detecting position 7 in other words), in this way two in the image of its acquisition
A vision area respectively accounts for half, is more convenient for aligning.
Certainly, the contraposition of images above acquisition unit 3 can take many different methods, such as usable image acquisition unit
3 constantly acquire image, and detection position 7 is aligned with and observing image；Alternatively, if display panel 1 and image
The position coordinates of acquisition unit 3 are all controllable, then can also all be moved to display panel 1 and image acquisition units 3 predetermined
Preferred coordinates to be aligned.
S102, the position of 3D membrane phase 2 is adjusted slightly to be aligned to it.
That is, in the case where display panel 1 and motionless image acquisition units 3, mobile 3 D membrane phase 2 passes through
The substantially aligned mode in edge 3D membrane phase 2 is set to display panel 1 before (be set to image acquisition units 3 and display panel 1 it
Between), guarantee that its position deviation is smaller (no more than the width of a vision area).
S103, in the case where display panel 1 is shown, with the image of 3 acquisition testing position 7 of image acquisition units,
According to the position of Image Adjusting 3D membrane phase 2, it is overlapped the boundary of clear zone 61 and dark space 62 in image with the boundary of neighbouring viewing zones.
That is, showing display panel 1.As a result, from a phase region (such as left phase region of 3D membrane phase 2
21) luminous energy penetrated passes through the above analyzer 4, and clear zone 61 is formed in the image that image acquisition units 3 acquire；And from 3D phase
The light that another phase region (such as right phase region 22) of film 2 penetrates can be stopped by analyzer 4, acquire in image acquisition units 3
Dark space 62 is formed in image.Obviously, the boundary of the clear zone 61 and dark space 62 is exactly the boundary of two phase regions, and if display surface
The boundary of two vision areas of plate 1 is corresponding, then it is correct to represent contraposition.
Therefore, the position that can continue adjustment 3D membrane phase 2, makes the boundary of clear zone 61 and dark space 62 be moved to the above record
Contraposition is completed in the boundary position of neighbouring viewing zones.For example, being located at the feelings in the middle part of image for the boundary position of the above neighbouring viewing zones
Condition, if its acquired image is as shown in Figure 4, then it represents that 2 position of 3D membrane phase is on the lower side, should move up；If collected figure
As shown in Figure 5, then it represents that 2 position of 3D membrane phase is on the upper side, should move down；If acquired image is as shown in Figure 6, then it represents that
3D phase film location is correct, and contraposition is completed.
Preferably, the above display panel 1 carries out being shown as all white pictures of display of display panel 1.
Due to being mainly to discriminate between clear zone 61 and dark space 62 in this step, therefore display panel 1 can be made to show complete white picture,
Clear zone 61 and dark space 62 are distinguished to most simple, clear.
Wherein, why slightly to be aligned before this step, be because the purpose of this step is to guarantee the friendship of phase region
Boundary is opposite with the boundary of vision area；But if 3D membrane phase 2 deviates from the positions of multiple vision areas (such as 3D membrane phase 2 shown in Fig. 2 is whole
Body has offset up the position of two row pixels 81), then being adjusted in this step can be more troublesome.
Certainly, in some cases, this step can only realize the contraposition of 3D membrane phase 2 in one direction.Such as Fig. 2 institute
Transverse direction (left and right) movement of the 3D membrane phase 2 shown is exactly not observe (unless its movement much leads to part figure in this step
All clear zones 61 as in), but since different vision areas (phase region) at this time are (upper and lower) wheel flow distributions along longitudinal direction, therefore 3D phase
Even if position film 2 horizontally has deviation in position, influence is also had no on actual displayed effect.
Certainly, it in above embodiments, is illustrated by taking adjacent rows pixel 81 respectively different vision areas (phase region) as an example, but
It should be appreciated that the scope of application of the present embodiment is not limited to this.Vision area (phase region) can also be used other division modes, such as by
Column divide, by checkerboard division etc., no longer describe one by one herein.As long as in short, clear zone 61 and dark space can be made during contraposition
62 boundary is directed at the boundary of different vision areas.
In the 3D membrane phase alignment method of the present embodiment, by the way that analyzer 4 is arranged, the boundary in out of phase area can be made to become
The boundary in clear zone 61 and dark space 62, that is, the phase region boundary of visually undistinguishable originally is become apparent from, therefore only
Phase region boundary is aligned with vision area boundary can be realized contraposition, greatly improve aligning accuracy；And it does not use alignment mark,
Therefore the problem of alignment mark precision deficiency is not present, without the step of forming alignment mark, simple process.
The present embodiment also provides a kind of 3D membrane phase alignment device comprising:
Image acquisition units 3, the image for acquisition testing position 7；
Analyzer 4 allows the light penetrated by a kind of phase region of 3D membrane phase 2 to pass through, without allowing by another phase
The light that position area penetrates passes through.
The 3D membrane phase alignment device of the present embodiment includes above-mentioned image acquisition units 3 and analyzer 4, thus can realize with
On alignment method.
Preferably, analyzer 4 is connected in image acquisition units 3 by switching mechanism, and switching mechanism is for making analyzer 4
Switch between the position before image acquisition units 3 in the position being located at before image acquisition units 3 and leaving.
That is, analyzer 4 is preferably in a manner of changeable, (such as rotating shaft mode) is connected in image acquisition units 3,
To its both can be located at image acquisition units 3 before, also may pass to other positions, make image acquisition units 3 can collect without
The image of analyzer 4；In this way, the 3D membrane phase alignment device can be not only used for more than alignment method, can also realize other function
It can be (as being used for existing alignment method).
Preferably, 3D membrane phase alignment device further include: acquisition driving unit, for adjusting the position of image acquisition units 3
It sets；And/or 3D driving unit, for adjusting the position of 3D membrane phase 2.
That is, can be adjusted by position of the specific driving mechanism to image acquisition units 3 and 3D membrane phase 2
It is whole, it is the precision for improving its positioning.
It preferably, is rotatory polarization through the light of 3D membrane phase 2, analyzer 4 is rotatory polarization piece；Or, through 3D membrane phase 2
Light is line polarisation, and analyzer 4 is line polarisation piece.
That is, analyzer 4 and 3D membrane phase 2 can be the different form being mutually matched, if passing through the light of 3D membrane phase 2
For rotatory polarization (left-handed rotatory polarization and dextrorotation rotatory polarization), then analyzer 4 is rotatory polarization piece (left-handed rotatory polarization piece or dextrorotation rotatory polarization
Piece), concretely a quarter wave plate adds a line polarisation piece；If the light for passing through 3D membrane phase 2 is line polarisation (two polarizations
The mutually perpendicular line polarisation in direction), then analyzer 4 is that (the vibration direction line parallel with one of line polarisation is inclined thoroughly for line polarisation piece
Mating plate).
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (5)
1. a kind of 3D membrane phase alignment method characterized by comprising
Before 3D membrane phase is set, image acquisition units are directed at detection position, the check bit is set to phase in display panel
The intersection of adjacent vision area, analyzer is equipped with before described image acquisition unit, and the analyzer allows a kind of phase by 3D membrane phase
The light that position area penetrates passes through, and without allowing to be passed through by the light that another phase region penetrates, described be directed at image acquisition units is examined
It includes: that image acquisition units are directed at detection position and the boundary of the neighbouring viewing zones is made to be located at the image of its acquisition that location, which is set,
Center；
The position of 3D membrane phase is adjusted slightly to be aligned to it；
In the case where display panel is shown, with the image of image acquisition units acquisition testing position, according to described image
The position for adjusting 3D membrane phase, is overlapped the boundary of clear zone and dark space in described image with the boundary of the neighbouring viewing zones.
2. 3D membrane phase alignment method according to claim 1, which is characterized in that
Described image acquisition unit has multiple, is respectively aligned to multiple detection positions.
3. 3D membrane phase alignment method according to claim 2, which is characterized in that the multiple detection position includes:
It is located at two detection positions of two diagonal section of display panel；
And/or
Detection position in the middle part of display panel.
4. 3D membrane phase alignment method according to claim 1, which is characterized in that described be directed at image acquisition units is examined
Location, which is set, includes:
Image acquisition units are aligned at the black matrix in the neighbouring viewing zones between adjacent pixel, so that its alignment detection position.
5. 3D membrane phase alignment method according to claim 1, which is characterized in that
The display panel carries out being shown as display panel all white pictures of display.
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