CN103528513A - OLED (organic light-emitting diode) glass substrate alignment method and OLED glass substrate alignment system - Google Patents
OLED (organic light-emitting diode) glass substrate alignment method and OLED glass substrate alignment system Download PDFInfo
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Abstract
The invention relates to an OLED glass substrate alignment method and an OLED glass substrate alignment system. The OLED glass substrate alignment method includes the following steps that positioning light is emitted; a positioning pattern formed by the positioning light has the same shape as the surface of an OLED glass substrate; whether the signals of the positioning light are received is judged, and if not, then alignment is finished. When the scheme of the application is adopted, by utilizing the consistency between the pattern formed by the light and the surface of the OLED glass substrate, the position alignment of the OLED glass substrate can be judged by utilizing an optical receiver as long as the passing light is blocked, so that no signals are received, and therefore the next step of OLED packaging can be carried out. The scheme does not adopt expensive equipment, such as CCD (Charge Coupled Device) cameras, and not need a complex image processing method, and only needs to utilize ordinary light, consequently, the cost is greatly reduced, and meanwhile, the efficiency of alignment is higher as well.
Description
Technical field
The present invention relates to OLED technique of alignment, particularly relate to a kind of OLED glass substrate alignment methods and device.
Background technology
At present, traditional scheme adopts CCD camera to take pictures, and then by the resulting picture of taking pictures, carries out image processing, compares with default image, calculates image position poor, then the mobile locus that reaches setting.
But, adopting the cost of CCD camera higher, but also need post processing of image, the speed of processing is slower, has reduced the contraposition efficiency of glass substrate.
Summary of the invention
Based on this, provide a kind of lower-cost OLED glass substrate alignment methods.
In addition, be also necessary to provide a kind of lower-cost OLED glass substrate alignment device.
A glass substrate alignment methods, comprises the steps: transmitting location light; The location pattern that described location light forms is consistent with OLED glass baseplate surface shape; Judge whether to receive the signal of location light, no, complete aligning.
Therein in an embodiment, described in also comprise after judging whether to receive location light step: be, receive the signal area of location light, and adjust OLED glass substrate and move towards the described region that receives location light signal; Described in returning, judge whether to receive the step of location light.
In an embodiment, the step of described transmitting location light is specially therein: launch 8 bundle location light, and mark 1 to 8 location light; The described signal area that receives location light that obtains, and adjust OLED glass substrate and be specially towards the described step that moves of region that receives location light signal: whether judgement to be labeled as 1,8,7 location light consistent with the number of signals that is labeled as 3,4,5 location light if receive, no, judge mark is the only no signal that does not receive location light completely of 3,4,5 location.
Therein in an embodiment, described judge mark is that 3,4,5 location is only after the step of the no signal that does not receive location light completely: no, judge mark is that 1 or 8 location is only no a signal that receives location light; Be, described OLED glass substrate moves to described 1,8,7 the location light direction of being labeled as, and described in returning, judges whether to receive the step of location light.
Therein in an embodiment, described judge mark is that 1 or 8 location only comprises after the no step that has a signal that receives location light: be, rotate counterclockwise, and described in returning, judge whether to receive the step of location light; No, clockwise rotate, and described in returning, judge whether to receive the step of location light.
Therein in an embodiment, described judgement receives comprises after being labeled as 1,8,7 the location light step whether consistent with the number of signals that is labeled as 3,4,5 location light: be that judgement obtains whether the signal of the location light that is labeled as 1,7,8 is 3; That judge mark is whether the signal of 2,6 location light is zero; To be rotated counterclockwise OLED glass substrate 90 degree; No, reappose OLED glass substrate.
Therein in an embodiment, described judge mark is whether the signal of 1,7,8 location light is to comprise after the step of 3: no, whether the light signal of the correspondence position that judgement is obtained is consistent; That the location that judge mark is 1 is no acquisition light signal only; Be, to being labeled as 1,2,3 directions, move, and described in returning, judge whether to receive the step of the signal of locating light; No, to being labeled as 5,6,7 directions, move, and described in returning, judge whether to receive the step of the signal of locating light.
Therein in an embodiment, after the whether consistent step of the light signal of the correspondence position that described judgement is obtained, comprise: no, return to described judge mark and be the only no step that has the signal that receives location light of 1 or 8 location.
A glass substrate alignment device, comprising: laser generator, and for launching locating laser, the location pattern that the locating laser of described transmitting becomes is consistent with OLED glass baseplate surface shape; Laser pickoff, for receiving locating laser signal; Judge module, judges whether described laser pickoff receives the signal of locating laser, no, completes aligning.
In an embodiment, also comprise therein: control module, the signal of the described locating laser receiving according to judge module, moves described OLED glass substrate.
Adopt the application's scheme, utilize the surface with OLED glass substrate of laser formation pattern consistent, only need to stop the laser passing through, utilize laser pickoff, according to the signal receiving, be zero, the position alignment of OLED glass substrate can be judged, next step OLED encapsulation operation can be carried out.
This scheme does not adopt expensive equipment, and for example CCD camera, does not need complicated image disposal route yet, only need to utilize common laser, has reduced largely cost, aims at efficiency higher simultaneously yet.
Accompanying drawing explanation
Fig. 1 is the journey figure of the OLED glass substrate alignment methods of an embodiment;
Fig. 2 is the journey figure of the OLED glass substrate alignment methods of another embodiment;
Fig. 3 is the journey figure of the OLED glass substrate alignment methods of another embodiment;
Fig. 4 is the schematic diagram that the 8 bundle locating lasers of an embodiment are radiated at glass substrate;
Fig. 5 is the schematic diagram that the OLED glass substrate of an embodiment is aimed at;
Fig. 6 is the schematic diagram of the OLED glass substrate skew of an embodiment;
Fig. 7 is the schematic diagram of the OLED glass substrate skew of another embodiment;
Fig. 8 is the schematic diagram of the OLED glass substrate skew of another embodiment;
Fig. 9 is the schematic diagram of the OLED glass substrate skew of another embodiment;
Figure 10 is the schematic diagram of the OLED glass substrate skew of another embodiment;
Figure 11 is the rectification schematic diagram that the OLED glass substrate of an embodiment is aimed at;
Figure 12 is the logic diagram of the OLED glass substrate alignment device of an embodiment.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The location light that this programme adopts can be the light sources such as laser, natural light, in order more clearly to express the application's scheme, adopts laser to set forth this programme.
By reference to the accompanying drawings 1～3, OLED glass substrate alignment methods, comprises the steps:
S10: transmitting locating laser.
Particularly, the locating laser of transmitting can be from bottom or the top-emission of glass substrate, and best is vertical and OLED glass substrate transmitting locating laser.
S20: the location pattern that locating laser forms is consistent with OLED glass baseplate surface shape.
Particularly, locating laser is radiated in the support platform that supports OLED glass substrate, the locating laser being radiated on glass substrate connects form location pattern, this location pattern is consistent with OLED glass baseplate surface shape, best is consistent with OLED glass substrate inner surface configuration, and OLED glass substrate be able to shelter from the locating laser of transmitting.The locating laser that is appreciated that transmitting is more, and the location pattern forming more approaches OLED glass baseplate surface shape.
Because the light transmission of OLED glass substrate surrounded surface is not good, therefore can stop laser to see through OLED glass substrate.Best scheme is: on OLED glass substrate, cover light blocking part, such as mask plate, dark block piece etc., stops seeing through of laser.
S30: judge whether to receive the signal of locating laser, no, complete aligning.
Particularly, in the corresponding other side of Laser emission end, be provided with corresponding laser receiver, quantity is consistent with the quantity of laser generator.If laser receiver does not receive the signal of locating laser completely, illustrate that OLED glass substrate gives all locating lasers to shelter from, stop seeing through of locating laser, illustrate that OLED glass substrate has reached the position of aligning.
Adopt the application's scheme, utilize the surface with OLED glass substrate of laser formation pattern consistent, only need to stop the laser passing through, utilize laser pickoff, according to the signal receiving, be zero, the position alignment of OLED glass substrate can be judged, next step OLED encapsulation operation can be carried out.
This scheme does not adopt expensive equipment, and for example CCD camera, does not need complicated image disposal route yet, only need to utilize common laser, has reduced largely cost, aims at efficiency higher simultaneously yet.
In one embodiment, by reference to the accompanying drawings 2, OLED glass substrate alignment methods, also comprises after step S30:
S40: be, receive the signal area of locating laser, and adjust OLED glass substrate and move towards the described region that receives locating laser signal.
Particularly, when receiving the signal of locating laser, illustrate that the laser of this part is not blocked by OLDE glass substrate, so OLED glass substrate just moves towards this direction.
Return to step S30.
Particularly, OLED glass substrate is adjusted, also needed further to judge that whether the position that OLED glass substrate adjusts is correct.
In one embodiment, by reference to the accompanying drawings 3, OLED glass substrate alignment methods, specific as follows:
Step S10 is specially: launch 8 bundle locating lasers, and mark 1 to 8 locating laser.
Particularly, by reference to the accompanying drawings 4～5, due to the direction that is shaped as of most OLED glass substrate, only need to not be provided with locating laser to four of OLED glass substrate.Therefore, transmitting 8 bundle locating lasers just can meet the location needs of OLED glass substrate completely, and being arranged as of this 8 book locating laser: be labeled as 1,8,7 locating laser conllinear, be labeled as 2,6 locating laser conllinear, be labeled as 3,4,5 locating laser conllinear, be labeled as 1,2,3 locating laser conllinear, be labeled as 5,6,7 locating laser conllinear, 8 bundle laser can surround consistent with OLED glass substrate shape (the best is the outside of interior table) thus, be able to be covered by OLED glass substrate.
Further, by reference to the accompanying drawings 6, step S40 is specially:
S41: whether judgement to be labeled as 1,8,7 locating laser consistent with the number of signals that is labeled as 3,4,5 locating laser if receiving.To enter step S51.
Particularly, the position that OLED glass substrate prevents is inaccurate, is likely that deviation appears in parallel placement, or deviation appears in diagonal angle placement.Whether the locating laser quantity that to be 1,8,7 locating laser (laser in left side) by judge mark obtain with 3,4,5 locating laser (laser on right side) is consistent, the yawing moment of judgement oled substrate.
S42: no, judge mark is whether 3,4,5 locating laser does not receive the signal of locating laser completely.No, enter step S43; To enter step S43A.
Particularly, judge the laser of left side mark, then judged the laser on right side, be labeled as 3,4,5 locating laser and whether receive locating laser signal completely, can know the direction of its deflection.
In one embodiment, by reference to the accompanying drawings 7, OLED glass substrate alignment methods, also comprises after step S42:
S43: no, judge mark is whether 1 or 8 locating laser has the signal that receives locating laser.To enter step S44; No, enter step S45.
Particularly, the direction by the deflection of further judgement OLED glass substrate, judges left side laser again, to being labeled as 1 or 8 locating laser, judges whether receive the information of corresponding locating laser.
S43A: described OLED glass substrate moves to the locating laser direction that is labeled as 1,8,7, and return to step S30.
Particularly, be labeled as 3,4,5 locating laser and whether do not receive the signal of locating laser completely, OLED glass substrate lateral excursion is described, only need (being labeled as 1,8,7 locating laser direction) transverse shifting in the other direction.
In one embodiment, OLED glass substrate alignment methods, also comprises after step S43:
S44: be, rotate counterclockwise, and return to step S30.
S45: no, clockwise rotate, and return to step S30.
Particularly, it by judge mark, is the signal of 1 and 8 locating laser, can judge the offset direction of OLED glass substrate, therefore can be corresponding rotate counterclockwise or clockwise rotate OLED glass substrate, then further judge whether to aim at returning to step S30.
In one embodiment, OLED glass substrate alignment methods, also comprises after step S41:
S51: judgement obtains whether the signal of the locating laser that is labeled as 1,7,8 is 3.To enter step S52; No, enter step S61.
Particularly, OLED glass substrate is likely deflection by a relatively large margin, therefore need judgement to be designated as 1,7,8 locating laser, whether all obtains laser signal.
S52: judge mark is whether the signal of 2,6 locating laser is zero.To enter step S53; No, enter step S54.
Particularly, further middle laser is obtained to signal.
S53: be rotated counterclockwise OLED glass substrate 90 degree.Particularly, illustrate that OLED glass substrate is inverted completely laterally with longitudinally, need counterclockwise or dextrorotation turn 90 degrees.
S54: reappose OLED glass substrate.Particularly, if there is the signal that receives locating laser, the position that this OLED glass substrate placement substantial deviation need to be aimed at is described.Therefore, can retrieve this OLED glass substrate and reappose.
In one embodiment, by reference to the accompanying drawings 8～10, OLED glass substrate alignment methods, also comprises after step S51:
S61: whether the laser signal of the correspondence position that judgement is obtained is consistent.To enter step S62; No, return to described judge mark and be the step whether 1 or 8 locating laser has the signal that receives locating laser, continue the angle that this OLED glass substrate of judgement is offset, and then adjust further.
Particularly, judge the substantially whether site error of upper and lower translation likely of OLED glass.
S62: be whether the locating laser that judge mark is 1 obtains laser signal.To enter step S63; No, enter step S64.Particularly, judge whether the upwards site error of translation.
S63: be, to being labeled as 1,2,3 directions, move, and step S30.
S64: no, to being labeled as 5,6,7 directions, move, and step S30.
Adopt the scheme of above-described embodiment, only by simple " judgement ", OELD substrate can be adjusted to the position of aligning, without needs complicated calculations scheme, aligning efficiency is higher; And laser is linear propagation, the precision of aligning is also higher.
Consult accompanying drawing 11, the application's preferred plan is that the locating laser of incident is that vertical irradiation is on glass substrate, also be appreciated that, the locating laser of incident can be angled, the accuracy of aiming in order to improve glass substrate, can be by calculating in advance side-play amount, after location completes, corresponding compensates this side-play amount.
This side-play amount d=htan θ, wherein h is the thickness of OLED glass substrate, θ is the complementary angle of the angle of locating laser incident direction and surface level (or OLED glass substrate).
OLED glass substrate alignment methods based on the various embodiments described above, provides a kind of OLED glass substrate alignment device, and by reference to the accompanying drawings 12, specific as follows:
Laser generator, for launching locating laser, the location pattern that the locating laser of transmitting becomes is consistent with OLED glass baseplate surface shape.
Laser pickoff, for receiving locating laser signal.
Judge module, judges whether laser pickoff receives the signal of locating laser, no, completes aligning.
OLED glass substrate alignment device in one embodiment, also comprises:
Control module, the signal of the locating laser receiving according to judge module, moves OLED glass substrate.Control method is particularly consistent with above-mentioned OLED glass substrate alignment methods.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. an OLED glass substrate alignment methods, comprises the steps:
Transmitting location light;
The location pattern that described location light forms is consistent with OLED glass baseplate surface shape;
Judge whether to receive the signal of location light, no, complete aligning.
2. OLED glass substrate alignment methods according to claim 1, is characterized in that, described in also comprise after judging whether to receive location light step:
Be, receive the signal area of location light, and adjust OLED glass substrate and move towards the described region that receives location light signal;
Described in returning, judge whether to receive the step of location light.
3. OLED glass substrate alignment methods according to claim 2, is characterized in that, the step of described transmitting location light is specially: launch 8 bundle location light, and mark 1 to 8 location light;
Describedly obtain the signal area that receives location light, and adjust OLED glass substrate and be specially towards the described step that moves of region that receives location light signal:
Whether judgement to be labeled as 1,8,7 location light consistent, no with the number of signals that is labeled as 3,4,5 location light if receiving, judge mark is the only no signal of locating light that do not receive completely of 3,4,5 location.
4. OLED glass substrate alignment methods according to claim 3, is characterized in that, described judge mark is that 3,4,5 location is only after the step of the no signal that does not receive location light completely:
No, judge mark is that 1 or 8 location is only no a signal that receives location light;
Be, described OLED glass substrate moves to described 1,8,7 the location light direction of being labeled as, and described in returning, judges whether to receive the step of location light.
5. OLED glass substrate alignment methods according to claim 4, is characterized in that, described judge mark is that 1 or 8 location only comprises after the no step that has a signal that receives location light:
Be, rotate counterclockwise, and described in returning, judge whether to receive the step of location light;
No, clockwise rotate, and described in returning, judge whether to receive the step of location light.
6. OLED glass substrate alignment methods according to claim 3, is characterized in that, described judgement receives comprises after being labeled as 1,8,7 the location light step whether consistent with the number of signals that is labeled as 3,4,5 location light:
That judgement obtains whether the signal of the location light that is labeled as 1,7,8 is 3;
That judge mark is whether the signal of 2,6 location light is zero; To be rotated counterclockwise OLED glass substrate 90 degree; No, reappose OLED glass substrate.
7. OLED glass substrate alignment methods according to claim 6, is characterized in that, described judge mark is whether the signal of 1,7,8 location light is to comprise after the step of 3:
No, whether the light signal of the correspondence position that judgement is obtained is consistent;
That the location that judge mark is 1 is no acquisition light signal only; Be, to being labeled as 1,2,3 directions, move, and described in returning, judge whether to receive the step of the signal of locating light; No, to being labeled as 5,6,7 directions, move, and described in returning, judge whether to receive the step of the signal of locating light.
8. OLED glass substrate alignment methods according to claim 7, is characterized in that, the whether consistent step of the light signal of the correspondence position that described judgement is obtained comprises afterwards:
No, return to described judge mark and be the only no step that has the signal that receives location light of 1 or 8 location.
9. an OLED glass substrate alignment device, is characterized in that, comprising:
Laser generator, for launching locating laser, the location pattern that the locating laser of described transmitting becomes is consistent with OLED glass baseplate surface shape;
Laser pickoff, for receiving locating laser signal;
Judge module, judges whether described laser pickoff receives the signal of locating laser, no, completes aligning.
10. OLED glass substrate alignment device according to claim 9, is characterized in that, also comprises:
Control module, the signal of the described locating laser receiving according to judge module, moves described OLED glass substrate.
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Cited By (3)
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| CN105074482A (en) * | 2014-03-11 | 2015-11-18 | 新东工业株式会社 | Inspection system for device to be tested, and method for operating inspection system for device to be tested |
| CN108917598A (en) * | 2018-06-28 | 2018-11-30 | 武汉华星光电技术有限公司 | A kind of wet equipment and its sensing device |
| CN109799519A (en) * | 2019-02-27 | 2019-05-24 | 上海交通大学 | A kind of double ship lifting dismounting offshore platform optics positioning mechanisms |
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| CN109799519A (en) * | 2019-02-27 | 2019-05-24 | 上海交通大学 | A kind of double ship lifting dismounting offshore platform optics positioning mechanisms |
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| CN103528513B (en) | 2016-08-17 |
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