CN101581842B - Automatic alignment system for stereoscopic liquid crystal display and method thereof - Google Patents
Automatic alignment system for stereoscopic liquid crystal display and method thereof Download PDFInfo
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- CN101581842B CN101581842B CN200810094774XA CN200810094774A CN101581842B CN 101581842 B CN101581842 B CN 101581842B CN 200810094774X A CN200810094774X A CN 200810094774XA CN 200810094774 A CN200810094774 A CN 200810094774A CN 101581842 B CN101581842 B CN 101581842B
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Abstract
The invention discloses an automatic alignment system for a stereoscopic liquid crystal display and a method thereof. The system comprises a control unit, an image retrieving unit and a regulation device, wherein the control unit is provided with an image processing and storing function; the image retrieving unit is electrically connected with the control unit; the regulation device is electrically connected with the control unit and comprises a first fixing and holding unit for fixing and holding a microbit phase difference film and a second fixing and holding unit for fixing and holding a liquid crystal display, and the first clamping unit and the second clamping unit can move relatively; the regulation device clamps the microbit phase difference film and the liquid crystal display and enables the microbit phase difference film and the liquid crystal display to overlap; the image retrieving unit retrieves an image moire fringe generated by the overlapped microbit phase difference film and liquid crystal display through a polaroid; and the control unit processes the retrieved image moire fringe so as to control the relative position between the first fixing and holding unit and the second fixing and holding unit. The automatic alignment system of the stereoscopic liquid crystal display compares and regulates feedback control by utilizing the retrieved overlapped image and can realize accurate alignment.
Description
Technical field
The present invention is a kind of automatic alignment system and method thereof, particularly relevant for a kind of automatic alignment system and method thereof that is used for stereo-liquid crystal display device.
Background technology
In recent years, the 3D three-dimensional display begins flourish, and its important development direction that will become following display has been the common recognition of industry.Use micro-bit phase difference plate and display panel to align applying mutually, allow the beholder's right and left eyes that has on polaroid glasses see this image of seeing of right and left eyes respectively, can make micro-bit phase difference formula three-dimensional display easily with parallax.Its principle is for after being processed as the micro-bit phase difference plate that width is about the liquid crystal panel pixels tall with the former phasic difference film that is stretched as 1/2 wavelength (λ/2), get up with this panel secured in alignment again, make all vertical 90 degree of polarization direction of this liquid crystal panel radix capable (or even number line) pixel with the direction of even number line (or radix is capable), so when capable demonstrations of radix left eye (or right eye) picture of display panel and even number line demonstration right eye (or left eye) picture, and the observer is when also wearing the polaroid glasses that match, right and left eyes just can be seen the right and left eyes picture that this should be seen, so when this display shows, can show to make the beholder see stereo-picture once the stereoscopic picture plane of suitable arrangement.The stereo display of high image quality is arranged, and fixing aiming at during relative position between micro-bit phase difference plate and display panel is very important gordian technique.It is not common aligning fixing method for micro-bit phase difference plate and display panel, especially how micro-bit phase difference plate and display panel is aligned fixing with the quantification data representation and lack especially aspect the robotization contraposition.
United States Patent (USP) discloses the view data Accreditation System that a kind of operation is used No. 5999840, and it uses a plurality of video cameras to obtain the image at each position of patient, and carries out contraposition and piece together after handling back differentiation measured object actual range and measured object direction.United States Patent (USP) discloses a kind of alignment system and method No. 7319506, and its use self-reference interferometer generation aligns sign and carries out aligning of two overlapping images.And in aforesaid patent, its employed technology and method obviously can't help the encapsulation of three-dimensional display and phasic difference plate to fit.
The inventor of this case works out a kind of automatic alignment system and method thereof that is used for stereo-liquid crystal display device, can provide a good solution at the deficiencies in the prior art place.
Summary of the invention
The subject matter that the present invention solves is, a kind of automatic alignment system that is used for stereo-liquid crystal display device is provided, and utilizes the image that coincides of acquisition to compare and the adjustment FEEDBACK CONTROL, to reach the purpose of accurate contraposition.
For reaching above-mentioned purpose, the invention provides a kind of automatic alignment system that is used for stereo-liquid crystal display device, be used for a micro-bit phase difference film and a LCD are aligned, comprise:
One control module has Flame Image Process and memory function;
One capturing images unit electrically connects with this control module; And
One adjusting gear electrically connects with this control module and comprises one first fixing unit that is used for the fixing micro-bit phase difference film and the one second fixing unit that is used for the fixing LCD, and this first gripping unit and the second gripping unit can move mutually;
Wherein, adjusting gear gripping micro-bit phase difference film and LCD also make its overlapping, the image that produces between micro-bit phase difference film after the capturing images unit then overlaps by polaroid acquisition and the LCD line that changes, control module then change the image of acquisition that line is handled and control the relative position of the first fixing unit and the second fixing unit according to this.
This adjusting gear also comprises one first driver element, one second driver element and a motor controller, this first driver element and this second driver element are connected with this first gripping unit and this second gripping unit respectively, and this motor controller then electrically connects with this first driver element, second driver element and control module respectively.
This capturing images unit can move horizontally with respect to the micro-bit phase difference film and the LCD of this overlapping.
This capturing images unit can carry out vertical moving with respect to the micro-bit phase difference film and the LCD of this overlapping.
This first fixing unit is a sucker, and it uses fixedly micro-bit phase difference film of vacuum suction mode.
The invention also discloses a kind of be used for stereo-liquid crystal display device automatically to correction method, be used for a micro-bit phase difference film and a LCD are aligned, comprise step:
(a) provide an automatic alignment system, this automatic alignment system comprises a control module, a capturing images unit and an adjusting gear, this capturing images unit and this adjusting gear electrically connect with control module respectively, this adjusting gear difference this micro-bit phase difference film of fixing and LCD and overlapping, this control module has Flame Image Process and memory function;
(b) micro-bit phase difference film after the capturing images cell moving extremely overlaps and LCD top;
(c) control module is adjusted the angle of cut that coincides of micro-bit phase difference film and LCD;
(d) the capturing images unit is by the image that produces between polaroid acquisition micro-bit phase difference film and the LCD line that changes;
(e) control module is handled the image line that changes of acquisition, judges whether to align; If then carry out step (f); If not, then get back to step (c); And
(f) adjusting gear is fitted micro-bit phase difference film and LCD.
This adjusting gear also comprises one first driver element, one second driver element and a motor controller, this first driver element and this second driver element are connected with this first gripping unit and this second gripping unit respectively, and this motor controller then electrically connects with this first driver element, second driver element and control module respectively.
This capturing images unit can move horizontally with respect to the micro-bit phase difference film and the LCD of this overlapping.
This capturing images unit can carry out vertical moving with respect to the micro-bit phase difference film and the LCD of this overlapping.
This first fixing unit is a sucker, and it uses fixedly micro-bit phase difference film of vacuum suction mode.
Step (f) also comprises before with an encapsulation/applying unit and encapsulates between the opposite face of this micro-bit phase difference film and LCD/fit.
This encapsulation/applying unit is in a glue of going up of micro-bit phase difference film.
(a) this encapsulation/applying unit is in a glue of going up of LCD.
The automatic alignment system of stereo-liquid crystal display device of the present invention utilizes the image that coincides of acquisition to compare and the adjustment FEEDBACK CONTROL, can realize accurate contraposition.
Description of drawings
Fig. 1 is used for the synoptic diagram of the automatic alignment system of stereo-liquid crystal display device for the present invention;
The interference fringe that Fig. 2 A and Fig. 2 B are produced when fitting for the present invention and the synoptic diagram of method of adjustment;
The interference fringe that Fig. 3 A and Fig. 3 B are produced when fitting for the present invention and the synoptic diagram of method of adjustment;
Image synoptic diagram after Fig. 4 finishes for the present invention fits;
The specific embodiment synoptic diagram that aligns board automatically that Fig. 5 uses for the present invention; And
Fig. 6 is an automatic process flow diagram to correction method used in the present invention.
Wherein, Reference numeral:
The automatic alignment system 5-pedestal of 1-
10-control computer 12-video camera
14-motor controller 52-video camera
140-sucker 141-CD-ROM drive motor
142-carrier 142a-load arm
142b-load arm 143-CD-ROM drive motor
540a-load arm 540b-load arm
542a-load arm 542b-load arm
L-LCD M-micro-bit phase difference film
P-light polarizing film 5A-axle
The 5B-axle
Embodiment
See also Fig. 1, this figure is the synoptic diagram that the present invention is used for the automatic alignment system of stereo-liquid crystal display device.Automatically alignment system 1 comprises a control computer 10, a video camera 12 and motor controller 14.This control computer 10 has Flame Image Process and memory function, this video camera 12 electrically connects with this control computer 10 respectively with motor controller 14, this motor controller 14 is electrically connected with CD-ROM drive motor 141 and CD-ROM drive motor 143 again with respectively, and CD-ROM drive motor 141 and CD-ROM drive motor 143 are connected with sucker 140 and carrier 142 again.Sucker 140 is used for absorption, and also fixing one micro-bit phase difference film M, 142 of carriers are used for carrying and fixing one LCD L, keep fine pitch between this micro-bit phase difference film M and the LCD L, so control computer 10 can be passed through motor controller 14 controlling and driving motors 141 and CD-ROM drive motor 143, CD-ROM drive motor 141 and CD-ROM drive motor 143 change the relative position of sucker 140 and carrier 142 more respectively, so can adjust the angle of cut that coincides of micro-bit phase difference film M and LCD L.In Fig. 1, video camera 12 carries out the acquisition of appearance images by a light polarizing film P, simultaneously the also image that coincides of fechtable micro-bit phase difference film M and LCD L of video camera 12.
See also Fig. 2 A and Fig. 2 B again, wherein load arm 142a and load arm 142b are used to carry LCD L.If micro-bit phase difference film M that video camera 12 captures and the image of LCD L change line (Moire) shown in Fig. 2 A, then control computer 10 can move to the Y direction by start load arm 142a, or being start load arm 142b moves to adjust to-Y direction, shown in Fig. 2 B (certainly, also the load arm of start simultaneously 142a moves and start load arm 142b moves to adjust to-Y direction to the Y direction).
Otherwise, shown in Fig. 3 A and Fig. 3 B.If micro-bit phase difference film M that video camera 12 captures and the image of LCD L change line (Moire) as Fig. 3 A, then control computer 10 can start load arm 142a moves to-Y direction, or be that start load arm 142b moves to adjust to the Y direction, shown in Fig. 3 B (certainly, also the load arm of start simultaneously 142a to-the Y direction moves and start load arm 142b moves to adjust to the Y direction).
Line (Moire) can stop (as the picture of Fig. 4) and aforesaid adjustment is not as long as all have repeatedly to full frame.
See also Fig. 5 again, this figure is the specific embodiment synoptic diagram that aligns board automatically that the present invention uses.In Fig. 5, pedestal 5 from top to bottom is equiped with a video camera 52, load arm 540a and load arm 540b, load arm 542a and load arm 542b in regular turn.Load arm 540a and load arm 540b are used for fixing micro-bit phase difference film M, load arm 542a and load arm 542b then are used for fixing LCD L, and video camera 52 can carry out two dimension along axle 5A or an axle 5B and move (certain, also can be designed to move along three-dimensional, user's demand is looked closely in these variations, repeats no more in this).
See also Fig. 6 again, this figure is used in the present invention automatically to correction method, comprises:
Step 61-utilizes automatic alignment system of the present invention that this micro-bit phase difference film and LCD are overlapped, and the control computer in the alignment system has Flame Image Process and memory function automatically.
Step 62-control computer control video camera moves it above micro-bit phase difference film and the LCD after overlap.
Step 63-control computer is adjusted the angle of cut that coincides of micro-bit phase difference film and LCD by motor controller, CD-ROM drive motor and load arm (or sucker).
Step 64-video camera captures this LCD via image that micro-bit phase difference film presented by a polaroid.
Step 65-control computer is handled the image of acquisition, judges whether to align; If then carry out step 66; Then get back to step 63 if not.
Step 66-fits micro-bit phase difference film and LCD.
Certainly, in the method flow diagram of Fig. 6, can in automatic alignment system, set up an encapsulation/laminating apparatus, after the image comparison of step 65 is finished (the expression contraposition is finished), can utilize encapsulation/laminating apparatus between the opposite face of this micro-bit phase difference film and LCD, carry out a glue (can put glue on the micro-bit phase difference film or some glue on LCD), back encapsulation in step 66 time both can be binded.
So, the invention provides a kind of automatic alignment system and method thereof that is used for stereo-liquid crystal display device, its interference pattern that utilizes micro-bit phase difference film and LCD to produce between the two aligns, align process and utilize video camera to proofread and correct in real time, differentiate site error according to the image that video camera captured with counter, cooperate relative position and angle between robotization micro-adjusting mechanism adjustment display panel and the micro-bit phase difference plate, allow both align mutually, cooperate automatic package system to encapsulate at last, finishing between micro-bit phase difference plate and the display panel robotization aligns with fixing, it has novelty and progressive compared to prior art, meets the authorising conditional that patent is sent out.
Above-mentioned only is most preferred embodiment of the present invention, can not be in order to limit the scope that the present invention implemented.The i.e. equivalence of doing according to claim of the present invention generally changes and revises, and all should still belong in the scope that patent of the present invention contains.
Claims (13)
1. an automatic alignment system that is used for stereo-liquid crystal display device is used for a micro-bit phase difference film and a LCD are aligned, and it is characterized in that, comprises:
One control module has Flame Image Process and memory function;
One capturing images unit electrically connects with this control module; And
One adjusting gear electrically connects with this control module and comprises one first fixing unit that is used for the fixing micro-bit phase difference film and the one second fixing unit that is used for the fixing LCD, and this first fixing unit and the second fixing unit can move mutually;
Wherein, adjusting gear gripping micro-bit phase difference film and LCD also make its overlapping, the image that produces between micro-bit phase difference film after the capturing images unit then overlaps by polaroid acquisition and the LCD line that changes, control module then change the image of acquisition that line is handled and control the relative position of the first fixing unit and the second fixing unit according to this.
2. the automatic alignment system that is used for stereo-liquid crystal display device as claimed in claim 1, it is characterized in that, this adjusting gear also comprises one first driver element, one second driver element and a motor controller, this first driver element and this second driver element are connected with this first fixing unit and this second fixing unit respectively, and this motor controller then electrically connects with this first driver element, second driver element and control module respectively.
3. the automatic alignment system that is used for stereo-liquid crystal display device as claimed in claim 1 is characterized in that, this capturing images unit can move horizontally with respect to the micro-bit phase difference film and the LCD of this overlapping.
4. the automatic alignment system that is used for stereo-liquid crystal display device as claimed in claim 1 is characterized in that, this capturing images unit can carry out vertical moving with respect to the micro-bit phase difference film and the LCD of this overlapping.
5. the automatic alignment system that is used for stereo-liquid crystal display device as claimed in claim 1 is characterized in that, this first fixing unit is a sucker, and it uses fixedly micro-bit phase difference film of vacuum suction mode.
One kind be used for stereo-liquid crystal display device automatically to correction method, be used for a micro-bit phase difference film and a LCD are aligned, it is characterized in that, comprise step:
(a) provide an automatic alignment system, this automatic alignment system comprises a control module, a capturing images unit and an adjusting gear, this capturing images unit and this adjusting gear electrically connect with control module respectively, this adjusting gear is this micro-bit phase difference film of fixing and LCD and make its overlapping respectively, and this control module has Flame Image Process and memory function;
(b) micro-bit phase difference film after the capturing images cell moving extremely overlaps and LCD top;
(c) control module is adjusted the angle of cut that coincides of micro-bit phase difference film and LCD;
(d) the capturing images unit is by the image that produces between polaroid acquisition micro-bit phase difference film and the LCD line that changes;
(e) control module is handled the image line that changes of acquisition, judges whether to align; If then carry out step (f); If not, then get back to step (c); And
(f) adjusting gear is fitted micro-bit phase difference film and LCD.
7. as claimed in claim 6 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that, this adjusting gear comprises one first fixing unit that is used for the fixing micro-bit phase difference film and the one second fixing unit that is used for the fixing LCD, also comprise one first driver element, one second driver element and a motor controller, this first driver element and this second driver element are connected with this first fixing unit and this second fixing unit respectively, and this motor controller then electrically connects with this first driver element, second driver element and control module respectively.
8. as claimed in claim 6 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that this capturing images unit can move horizontally with respect to the micro-bit phase difference film and the LCD of this overlapping.
9. as claimed in claim 6 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that this capturing images unit can carry out vertical moving with respect to the micro-bit phase difference film and the LCD of this overlapping.
10. as claimed in claim 6 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that this first fixing unit is a sucker, it uses fixedly micro-bit phase difference film of vacuum suction mode.
11. as claimed in claim 6 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that, also comprise before with an encapsulation/applying unit in step (f) and between the opposite face of this micro-bit phase difference film and LCD, encapsulate/fit.
12. as claim 11 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that some glue is gone up in micro-bit phase difference film in this encapsulation/applying unit.
13. as claim 11 be used for stereo-liquid crystal display device automatically to correction method, it is characterized in that some glue is gone up in LCD in this encapsulation/applying unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810094774XA CN101581842B (en) | 2008-05-16 | 2008-05-16 | Automatic alignment system for stereoscopic liquid crystal display and method thereof |
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| CN200810094774XA CN101581842B (en) | 2008-05-16 | 2008-05-16 | Automatic alignment system for stereoscopic liquid crystal display and method thereof |
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| CN101581842B true CN101581842B (en) | 2011-04-06 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102455541B (en) * | 2010-10-14 | 2015-06-17 | 京东方科技集团股份有限公司 | Method and equipment for calibrating display device |
| KR101846552B1 (en) | 2011-11-30 | 2018-04-09 | 엘지디스플레이 주식회사 | System and method for inspecting misalign between display panel and film patterned retarder |
| CN102419938B (en) * | 2011-12-26 | 2014-03-26 | Tcl集团股份有限公司 | Implementation method for Alignment system for micro phase compensation plate and liquid crystal display (LCD) |
| CN102547366A (en) * | 2012-04-09 | 2012-07-04 | 四川长虹电器股份有限公司 | Polarizer detection method for polarized three-dimensional (3D) liquid crystal television |
| US9341859B2 (en) * | 2012-07-06 | 2016-05-17 | Innolux Corporation | 3D image based alignment method |
| CN106199989B (en) * | 2016-09-26 | 2019-11-22 | 京东方科技集团股份有限公司 | 3D membrane phase alignment device and method |
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| US5633719A (en) * | 1994-10-28 | 1997-05-27 | Eastman Kodak Company | Method and apparatus for aligning a lenticular overlay with a lenticular print |
| CN1359023A (en) * | 2000-12-12 | 2002-07-17 | 国际商业机器公司 | Thin layer material aligning method, substrate assembling method and aligning device |
| CN1506714A (en) * | 2002-12-10 | 2004-06-23 | 财团法人工业技术研究院 | 2D-3D changing automatic stereo display device |
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| US5633719A (en) * | 1994-10-28 | 1997-05-27 | Eastman Kodak Company | Method and apparatus for aligning a lenticular overlay with a lenticular print |
| CN1359023A (en) * | 2000-12-12 | 2002-07-17 | 国际商业机器公司 | Thin layer material aligning method, substrate assembling method and aligning device |
| CN1506714A (en) * | 2002-12-10 | 2004-06-23 | 财团法人工业技术研究院 | 2D-3D changing automatic stereo display device |
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