CN109761057A - A kind of light guide plate to bit correction system and contraposition bearing calibration - Google Patents
A kind of light guide plate to bit correction system and contraposition bearing calibration Download PDFInfo
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- CN109761057A CN109761057A CN201910035975.0A CN201910035975A CN109761057A CN 109761057 A CN109761057 A CN 109761057A CN 201910035975 A CN201910035975 A CN 201910035975A CN 109761057 A CN109761057 A CN 109761057A
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Abstract
The present invention disclose a kind of light guide plate to bit correction system and contraposition bearing calibration, the system includes the mobile device equipped at least two detection elements, the processing unit of multiple shifted signals is connect and obtained with detection element signal, equipped with the dressing plate and carrying platform for placing support plate and displacement motor, displacement motor is before the light guide plate is placed in and places support plate, it is moved and is rotated according to deviation correcting signal and stacking offset vector, it is aligned light guide plate sequentially and is stacked in formation light guide plate processing group on placement support plate, contraposition bearing calibration of the invention include deviation correcting signal and stack offset vector acquisition and and the step of be corrected by it, light guide plate of the invention to bit correction system and contraposition bearing calibration, light guide plate generated inertia deflection problem after stacking in groups is eliminated by correcting again, the contraposition of light guide plate stacking is substantially improved Precision, in addition to making the light guide plate of heap poststack be easier to carry out polishing, the light guide plate after making processing has more preferably yields.
Description
Technical field
The present invention relates to light guide plate processing procedure field, especially a kind of light guide plate to bit correction system and to bit correction side
Method.
Background technique
Light guide plate is a kind of optical module applied in all kinds of display equipment, and usually collocation light source uses, such group
Part is often referred to as backlight module.Light guide plate is made of modes such as printing, ejection formation or rolling mostly.Printing refers to using high
Printing material made of divergent light source substance forms micro-structure site in plate by screen painting mode, so that plate can be broken
The total reflection of bad light forms out light in turn, to reach guide-lighting effect.Ejection formation is then first to be made in micro-structure site
On one ejection shaping die, then in a mold injected plastic to form the plate body with micro-structure site.
However, light guide plate made of ejection formation, structural thickness is about in 0.7~3mm, but with the change of market trend
Change, for the display equipment for carrying backlight module can be allowed more to become light weight slimming, the thickness of backlight module must also decline therewith, therefore
Tradition does not apply use to make the injection molding method of light guide plate.On the other hand, other than the demand of low thickness, display is set
Standby panel size also increases with it, therefore the light guide plate area size that collocation uses must also expand together, ejection formation production
Process is also unable to satisfy this large scale production requirement.In view of this, event light guide plate manufacturer transfers to make using rolling mode
Extra-thin large-size light-conducting plate.
Light guide plate is after product shapes substantially, in view of specific optical demands, it may be necessary to renew execution other correlation plus
Work, to promote overall process rate, using a kind of light guide plate to bit correction system and application method, so that light guide plate is led to
Cross automation mode, amendment light guide plate move and stacking process in the offset that generates, to carry out following process.Only in reality
In processing procedure, light guide plate still occurs and is stacking the problem of retrodeviating shifting in batch, especially in large-sized guide-lighting panel products processing procedure there are no
Method avoids.Therefore, to promote the precision that light guide plate stacks, and then promote the product yield after light guide plate processing, the present inventor
Conceive and propose a kind of light guide plate contraposition correct application method and light guide plate to bit correction system, effectively to solve existing lead
Tabula rasa stacks shift phenomenon when processing.
Summary of the invention
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
In the present invention, above-mentioned optimum condition on the basis of common knowledge of the art can any combination to get of the invention each
Preferred embodiment.
The present invention provide a kind of light guide plate to bit correction system, it is characterized in that comprising a mobile device, a processing
Unit and a dressing plate；
The mobile device is equipped at least two detection elements, when the mobile device moves any light guide plate, the detecting
Component obtains plural shifted signal；
The processing unit connect with the detection element signal and obtains a plurality of shifted signals, according to described inclined
Shifting signal calculates the offset of the light guide plate and generates a deviation correcting signal；
For the dressing plate for carrying the light guide plate and being set to the mobile device side, which has one to place load
Plate and the displacement motor for driving the placement support plate, the displacement motor before any light guide plate is not yet placed in the placement support plate,
Moved and rotated according to the deviation correcting signal, make the light guide plate be sequentially aligned be stacked on the placement support plate formed should
Light guide plate processing group；
The light guide plate also includes a carrying platform for being set to the dressing plate side to bit correction system, for accepting heap
The light guide plate processing group of poststack carries out polishing, and after the completion of polishing, the stacking which receives passback is inclined
The amount of shifting to is placed on the subsequent light guide plate before the placement support plate, which according to the deviation correcting signal and is somebody's turn to do
Stacking offset vector drives the placement support plate to be moved and rotated, to accept the light guide plate moved by the mobile device, and
It stacks and forms new batch of light guide plate processing group, wherein the stacking offset vector isThis positioned at most top side is led
Tabula rasa is (△ d1, △ d2) with the offset between light guide plate of most bottom side, the two panels leaded light Board position, which adds
Total the piece number of work group is N.
Wherein, the light guide plate further includes gantry translating device to bit correction system, which is set to should
Between carrying platform and the dressing plate, it is used for the mobile fixed range of the light guide plate processing group to the carrying platform.
Wherein, which includes a mechanical arm, for moving the light guide plate processing group.
Wherein, multiple suckers are additionally provided on the mechanical arm, the multiple sucker translates the leaded light by way of absorption
Plate processing group.
Wherein, which has a measuring equipment, and the measuring equipment is connect with the dressing plate signal, to be directed to
The light guide plate processing group after polishing is measured and obtains the stacking offset vector, and the stacking offset vector is transmitted
To the dressing plate.
The present invention also provides a kind of contraposition bearing calibrations of light guide plate, it is characterized in that, use any of the above-described kind to lead
Tabula rasa to bit correction system comprising following steps:
Step S10: moving muti-piece light guide plate by the mobile device and stacks the muti-piece light guide plate, and light guide plate is made to stack shape
At a light guide plate processing group, wherein the mobile device is equipped at least two detection elements；
Step S11: driving the mobile device to move any light guide plate to the dressing plate, while the detection element is detected
The position of the light guide plate, and then multiple shifted signals are obtained, wherein the dressing plate, which has, places support plate and driving placement support plate
Displacement motor；
Step S12: after the detection element obtains shifted signal, the shifted signal is transmitted to the processing unit, the processing
Unit calculates the offset of the light guide plate according to the shifted signal, and generates a deviation correcting signal；
Step S13: before the light guide plate is placed in the placement support plate, which is driven according to the deviation correcting signal
The placement support plate is moved and is rotated；
Step S14: the light guide plate is placed on the placement support plate after displacement rotating by the mobile device；
Step S15: repeating to move light guide plate using the mobile device, until the light guide plate is sequentially aligned and is stacked in this and puts
It sets on support plate, to form light guide plate processing group；
Step S20: mobile light guide plate processing group to the carrying platform carries out polishing；
Step S21: after the completion of polishing, detection light guide plate processing group and then one stacking offset vector of acquirement, the stacking
Offset vector isWherein, the light guide plate positioned at most top side and the light guide plate positioned at most bottom side, the two panels light guide plate
Offset between position is (△ d1, △ d2), and total the piece number of light guide plate processing group is N；
Step S22: being back to the dressing plate for the stacking offset vector, and subsequent light guide plate is allowed to be placed on placement load
Before plate, which is to drive according to the stacking offset vector obtained in the deviation correcting signal and step S21 obtained in step S12
It moves the placement support plate to be moved and rotated, to form newly batch of lead to accept the light guide plate moved by mobile device, and stack
Tabula rasa processing group.
Wherein, in step S10~S15, each light guide plate is equipped at least two contraposition marks, and is arranged in mobile device
Detection element, a respective default reference coordinate in installing, when mobile device moves any light guide plate to dressing plate,
Vector between the detection element detecting contraposition mark and the reference coordinate, to obtain the shifted signal.
The positive effect of the present invention is that: light guide plate provided by the invention to bit correction system and to bit correction side
Method, it is effective that light guide plate generated inertia deflection problem after stacking in groups is eliminated and then correcting again, it is substantially improved and leads
The contraposition precision that tabula rasa stacks, in addition to making the light guide plate of heap poststack be easier to carry out polishing, leading after also making processing
Tabula rasa has more preferably product yield.Since the light guide plate of different size is after stacking forms light guide plate processing group, can generate not
With inertia deflection phenomenon, therefore be directed to the light guide plate of various products specification, it is still necessary to the method and be through the invention
System is detected and is corrected for the light guide plate processing group of variant scale, then is back to dressing plate to correct subsequent stacking
Light guide plate offset, allow after stack light guide plate will not generate inertia deflection.Carrying platform is set to be provided with measuring equipment,
To be detected directly against the light guide plate processing group after polishing, further promoted stack offset vector measurement rate with
Accuracy.Furthermore, it is possible to use gantry-travelling device passes through mechanical arm as the mechanism for moving light guide plate processing group to inhale
Subsidiary formula formula steadily moves light guide plate processing group.
Detailed description of the invention
Fig. 1 is the action schematic diagram (one) to bit correction system preferred embodiment of light guide plate in the present invention.
Fig. 2 is the action schematic diagram (two) to bit correction system preferred embodiment of light guide plate in the present invention.
Fig. 3 is the action schematic diagram (three) to bit correction system preferred embodiment of light guide plate in the present invention.
Fig. 4 is the status diagram to bit correction system another preferred embodiment of light guide plate in the present invention.
Fig. 5 is the step flow chart of the contraposition correct application method preferred embodiment of light guide plate in the present invention.
Description of symbols:
1: light guide plate to bit correction system
10: mobile device
101: detection element
11: dressing plate
111: placing support plate
112: displacement motor
12: processing unit
20: carrying platform
201: measuring equipment
2011: image-pickup assembly
2012: light fixture
21: gantry translating device
211: mechanical arm
2111: sucker
8: conveying device
9: light guide plate
90: contraposition mark
A: light guide plate processing group
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or according to quotient
The selection of product specification.
It should be noted that light guide plate is after stacking in batch, although can be eliminated by the calibration of heap prestack and offset correction
The offset of each plate body when stacking, but practical for when stacking batches of light guide plate and being processed, especially large-sized light guide plate
Group can still generate the inertia deflection phenomenon of heap poststack, and since subsequent processing procedure is that the primary batches of multi-disc of stacking that is directed to is led
Tabula rasa is processed simultaneously, if therefore the arrangement position of light guide plate have offset, it will cause be not easy in processing and make to process
Yields decline.To solve this problem, the present inventor proposes a kind of contraposition correct application method of light guide plate and to bit correction system
System, with the light guide plate in response to various sizes and type, is corrected again, and then promotes the yields of guide-lighting panel products by the gross.
It is explained below for this method with system.
As shown in figures 1-4, the present embodiment provides a kind of light guide plates to bit correction system 1, is to move and stack
Muti-piece light guide plate 9 makes the stacking of light guide plate 9 form light guide plate processing group A.Light guide plate has a mobile dress to bit correction system 1
Set 10, one processing unit 12 and a dressing plate 11.Mobile device 10 is equipped at least two detection elements 101 and leads for moving
Tabula rasa 9, and when mobile device 10 moves any block light guide plate 9, detection element 101 just obtains multiple shifted signals.Processing is single
Member 12 is connect with 101 signal of detection element, to calculate the offset of light guide plate 9 according to shifted signal, and generates correction letter accordingly
Number.In addition, the dressing plate 11 for carrying light guide plate 9 is then set to the side of mobile device 10, which has one
It places support plate 111 and the displacement motor 112 of support plate 111 is placed in driving, displacement motor 112 is not yet placed in any light guide plate 9
It before placing support plate 111, i.e., is moved and is rotated according to deviation correcting signal, be aligned light guide plate 9 sequentially and be stacked in placement support plate 111
On, to form light guide plate processing group A.
The carrying platform 20 for being also set to 11 side of dressing plate comprising one to bit correction system 1 of the light guide plate.This holds
Carrying platform 20 is used to accept the light guide plate processing group A of heap poststack to carry out polishing.After the completion of polishing, dressing plate
11 can receive the inertia deflection vector of a passback, so that subsequent light guide plate 9 is displaced horse before being placed in placement support plate 111
Up to 112 i.e. according to above-mentioned deviation correcting signal and stack offset vector drive the placement support plate 111 to be moved and rotated, with undertaking by
Light guide plate 9 that mobile device 10 is moved simultaneously stacks to form new batch of light guide plate processing group A.Wherein, stacking offset vector isLight guide plate 9 positioned at most top side and the light guide plate 9 that is located at most bottom side, the offset between 9 position of two panels light guide plate
For (△ d1, △ d2), total the piece number of light guide plate processing group A is N.Continuing whereby can be by again with the light guide plate processing group A of stacking
Secondary correction, and then stacked position precision is promoted, inertia deflection when light guide plate 9 stacks is eliminated, is allowed via after polishing
9 yields of light guide plate is promoted.
For make heap poststack light guide plate processing group A can steadily migration carrying platform 20 to carry out polishing, preferably,
Gantry translating device that bit correction system 1 is also set between carrying platform 20 and dressing plate 11 comprising one of light guide plate
21, light guide plate processing group A is moved a fixed range to carrying platform 20.Pass through the moving structure of gantry translating device 21
Design, it can be ensured that the light guide plate processing group A stacked is not likely to produce the phenomenon that skew offset in moving process, steadily to move
It moves to carrying platform 20.Further, which includes a mechanical arm 211, on the mechanical arm 211
Equipped with multiple suckers 2111, light guide plate processing group A is translated in such a way that multiple suckers 2111 adsorb.Due to a little scratch or
Abrasion all can significantly influence the guide-lighting efficiency of light guide plate, to avoid gantry translating device 21 in mobile light guide plate processing group A
Damage light guide plate is scraped, therefore moving light guide plate processing group A by absorption mode is a preferable embodiment, especially mobile tool
It is firm when also needing to consider mobile other than it need to gingerly touch light guide plate 9 when having the light guide plate 9 of large scale, large area
Property, therefore preferably mode is to translate light guide plate processing group A by those suckers 2111 with suction type.In the present embodiment
Then by mechanical arm 211 in corresponding light guide plate processing group A at least three sides are provided with sucker 2111, to move light guide plate
It is mobile by way of absorption when processing group A, and mechanical arm 211 will not exert a force and shadow when moving with respect to light guide plate 9
Ring its stacked position.Certainly, remaining can move safe and stablely light guide plate processing group A mode it is also applicable.It can prevent whereby
9 surface of light guide plate is only scratched, and can firmly move the light guide plate processing group A of stacking, more especially for large-sized light guide plate 9
It can prevent from moving skew and scratch problem.
When being tentatively made and starting following process processing procedure, each light guide plate 9 can transmit light guide plate 9 via a conveying device 8
To mobile device 10, mobile device 10 moves light guide plate 9 to be stacked in dressing plate 11, and then forms first and be intended to carry out
The light guide plate processing group A of following process.During mobile device moves light guide plate 9, it is set to detecing in mobile device 10
Survey component 101 i.e. start and detect the location status of light guide plate 9 and obtain shifted signal, be transmitted to again immediately processing unit 12 with
Calculating forms deviation correcting signal and is transmitted to dressing plate 11, though dressing plate 11 before accepting light guide plate 9 displacement motor 112 according to
It is driven according to deviation correcting signal and places the displacement of support plate 111 or rotation.After adjustment, light guide plate 9 is placed in placement again by mobile device 10
On support plate 111, then repeatedly aforementioned activities are to correct the position of each piece of light guide plate 9, until first light guide plate processing group A heap
Build up shape.Then, light guide plate processing group A can pass through the machine of gantry translating device 21 by migration carrying platform 20, move mode
Tool arm 211 is practiced.In this light guide plate processing group A polishing after, detect light guide plate processing group A in, most top side with most
Offset (the △ d of 9 position of two panels light guide plate of bottom side1,△d2), and total the piece number N of light guide plate processing group A is combined, it can obtain
Stack offset vectorThen dressing plate 11, which receives, stacks offset vector, and makes the subsequent light guide plate to be stacked
9 before being placed in placement support plate 111, and displacement motor 112 is that the deviation correcting signal according to each light guide plate 9 and the stacking detected are inclined
The amount of shifting to driving places support plate 111 and is moved and rotated, and makes each light guide plate 9 when being stacked into light guide plate processing group A, synchronous school
Positive inertia deflection is eliminated and stacks offset problem.
Above-mentioned stacking offset vector can be to measure outside measurement in production line or production line, that is, light guide plate processing group A is being thrown
Light after processing is completed, is detected in outside production line, and is calculated after acquirement stacks offset vector and be back to dressing plate 11 again；Or
One measuring equipment 201 is set on carrying platform 20, and measuring equipment 201 is that signal is connect with dressing plate 11, for throwing
Light guide plate processing group A after light processing, which measure and then obtained, stacks offset vector, and the stacking offset vector is transmitted to
Dressing plate 11 is detected to obtain stacking offset vector in a manner of through automation and is back at dressing plate 11, conducive to being directed to
Subsequent to be stacked to form the light guide plate 9 of light guide plate processing group A and more accurately corrected.Wherein, measuring equipment 201 includes
CCD image-pickup assembly 2011, measures offset in a manner of through image capture.In addition, measuring equipment 201 is also comprising illumination
Component 2012, to promote image definition.
As shown in figure 5, the present embodiment additionally provides the contraposition correct application method to bit correction system of above-mentioned light guide plate,
It specifically comprises the following steps:
Step S10: moving muti-piece light guide plate 9 by mobile device 10 and stacks the muti-piece light guide plate 9, makes 9 heap of light guide plate
It is folded to form a light guide plate processing group A.Wherein, which is equipped at least two detection elements 101.
Step S11: driving mobile device 10 moves any light guide plate 9 to dressing plate 11, while detection element 101 is detected
The position of light guide plate 9, and then obtain multiple shifted signals.Wherein the dressing plate 11, which has, places support plate 111 and driving placement
The displacement motor 112 of support plate 111.
Step S12: after detection element 101 obtains shifted signal, transmission deviation signal to processing unit 12, processing unit 12
The offset of light guide plate 9 is calculated according to those shifted signals, and generates a deviation correcting signal.
Step S13: before light guide plate 9 is placed in and places support plate 111, displacement motor 112 is to drive according to deviation correcting signal
Support plate 111 is placed to be moved and rotated.
Step S14: light guide plate 9 is placed on the placement support plate 111 after displacement rotating by mobile device 11.
Step S15: repeating to move light guide plate 9 using mobile device 11, until light guide plate 9, which is sequentially aligned, is stacked in placement load
On plate 111, to form light guide plate processing group A.
These steps S10~S15 is to stack advance line displacement correction in light guide plate 9, to allow light guide plate 9 that can be aligned stacking
In batch, and the present invention above-mentioned steps completion after further comprise following steps:
Step S20: mobile light guide plate processing group A to carrying platform 20 carries out polishing；
Step S21: after the completion of polishing, detection light guide plate processing group A and then one stacking offset vector of acquirement.The stacking
Offset vector isWherein, the light guide plate 9 positioned at most top side and the light guide plate 9 positioned at most bottom side, the two panels are guide-lighting
Offset between Board position is (△ d1, △ d2), and total the piece number of light guide plate processing group A is N.
Step S22: offset vector will be stacked and be back to dressing plate 11, subsequent light guide plate 9 is allowed to be placed on placement support plate
Before 111, displacement motor 112 is according to the stacking offset vector obtained in the deviation correcting signal and step S21 obtained in step S12
Driving places support plate 111 and is moved and rotated, and to accept the light guide plate 9 moved by mobile device 11, and stacks and to form new one
The light guide plate processing group A criticized.Whereby, by correct again promoted the light guide plate processing group A of subsequent stacking stacked position it is accurate
Degree.
More specifically, in the light guide plate aligning step of step S10~S15, each light guide plate 9 is equipped at least two contraposition notes
Number 90 (referring to Fig. 1), and the detection element 101 being arranged in mobile device 10, a respective default reference coordinate in installing,
When mobile device 10 moves any light guide plate 9 to dressing plate 11, detection element 101 detecting contraposition mark and reference coordinate between it
Vector, to obtain shifted signal above-mentioned.And it has been observed that in practical process operations, though through step S10~S15 for each
Light guide plate 9 carries out offset correction, but stacking still can be there is a phenomenon where stacking inertia deflection, especially when forming light guide plate processing group A
It is even more obvious on large-sized light guide plate, therefore the present invention is to align subsequent light guide plate processing group A more precisely
The technical solution proposed is stacked, so that the continuous light guide plate processing group A with stacking, it is inclined all can to eliminate inertia and correcting again
The problem of shifting.
For example, it sees shown in the 1st~3 figure, after a light guide plate following process processing procedure starts, first will tentatively make
Complete light guide plate 9 is stacked to form light guide plate processing group A through mobile device 10, in order to carry out the work such as polishing
Industry, so obtain can shipment optical articles (as shown in Figure 1).When first light guide plate processing group A is via preposition stacking school
Significantly positional shift phenomenon is tentatively eliminated in positive operation, and is completed heap poststack and carried out polishing by migration carrying platform 20
(as shown in Figure 2).It after completing the process, i.e., is detected for this light guide plate processing group A, through inspection most top side and most bottom side
9 position of light guide plate, and then obtain stack offset vectorWherein (△ d1, △ d2) is the position of X-axis and Y direction
Set deviant, and when △ d1 and △ d2 respectively divided by total the piece number N of light guide plate processing group after, it can be learnt that each light guide plate 9 is preceding
In the correction and stacking process set, generated inertia deflection state (as shown in Figures 2 and 3).Wherein, light guide plate shown in figure
Processing group A is used to be schematically illustrate, not indicates the guide-lighting board size of reality and stacks shift state.For example, most top side is led
The light guide plate 9 of tabula rasa 9 and most bottom side, the position of two panels light guide plate 9 is 30 in the shift value of X axis, in the shift value of Y-axis
It is -15, and this light guide plate processing group A a total of 30, it can be learnt that stacking offset vector isIt will then stack inclined
The amount of shifting to is back to the dressing plate 11 to correct with stack.Accordingly, subsequent light guide plate 9 in preposition correction and stacked
Cheng Zhong can be introduced and be stacked offset vector as correction parameter, and cooperation is detected mobile by mobile device 10 per a piece of light guide plate 9
When the shift state deviation correcting signal generated that generates, the inertia deflection problem of the stacking of light guide plate 9 can be effectively eliminated, thus greatly
The yields of width promotion shipment product.
Special one is mentioned that, when the scales such as the length and width size of light guide plate 9, thickness are different, even if only slightly
Gap, but can still be changed therewith in the inertia deflection that heap poststack generates, in other words, the light guide plate 9 of different product specification is stacking
Inertia deflection afterwards all can difference, therefore the light guide plate processing group A in each light guide plate following process processing procedure, require again
The step of secondary contraposition bearing calibration through the invention, is detected and is corrected again, can not be merely by the data being collected into
It is applicable in the light guide plate of all different scales, therefore the light guide plate 9 different for every a batch, all has and detect and correct again
It is necessary.
In conclusion light guide plate provided by the invention contraposition correct application method and light guide plate to bit correction system,
Light guide plate generated inertia deflection problem after stacking in groups can be eliminated and then correcting again, and guide-lighting sheetpile is substantially improved
Folded contraposition precision, the light guide plate tool in addition to making the light guide plate of heap poststack be easier to carry out polishing, after also making processing
There is more preferably yields.Since the light guide plate of different size is after stacking forms light guide plate processing group, different inertia can be generated
Shift phenomenon, therefore it is directed to the light guide plate of various products specification, it is still necessary to the method and system through the invention, for each
The light guide plate processing group of different scales is detected and is corrected, then is back to dressing plate to correct the light guide plate of subsequent stacking
Offset, the light guide plate stacked after allowing will not generate inertia deflection.And it is the further measurement speed for being promoted and stacking offset vector
Rate and accuracy are provided with measuring equipment in carrying platform, to be examined directly against the light guide plate processing group after polishing
It surveys.In addition, also can be used gantry-travelling device as the mechanism for moving light guide plate processing group, and pass through mechanical arm to adsorb
Mode steadily moves light guide plate processing group.
Claims (7)
1. a kind of light guide plate to bit correction system, which is characterized in that it include a mobile device, a processing unit and one correction
Platform；
The mobile device is equipped at least two detection elements, when the mobile device moves any light guide plate, the detection element
Obtain plural shifted signal；
The processing unit connect with the detection element signal and obtains a plurality of shifted signals, to be believed according to the offset
It number calculates the offset of the light guide plate and generates a deviation correcting signal；
The dressing plate for carry the light guide plate and be set to the mobile device side, the dressing plate have one place support plate and
Drive the displacement motor of the placement support plate, the displacement motor before any light guide plate is not yet placed in the placement support plate, i.e., according to
It is moved and is rotated according to the deviation correcting signal, the light guide plate is made sequentially to be aligned to be stacked on the placement support plate and form the leaded light
Plate processing group；
The light guide plate also includes a carrying platform for being set to the dressing plate side to bit correction system, for accepting heap poststack
The light guide plate processing group carry out polishing, after the completion of polishing, the dressing plate receive passback stacking offset to
Amount, is placed on the subsequent light guide plate before the placement support plate, and the displacement motor is i.e. according to the deviation correcting signal and the stacking
Offset vector drives the placement support plate to be moved and rotated, and to accept the light guide plate moved by the mobile device, and stacks
New batch of light guide plate processing group is formed, wherein the stacking offset vector isThe light guide plate positioned at most top side
With the light guide plate for being located at most bottom side, the offset between the two panels leaded light Board position is (△ d1, △ d2), the light guide plate processing group
Total the piece number be N.
2. light guide plate as described in claim 1 to bit correction system, which is characterized in that the light guide plate to bit correction system
It further include gantry translating device, which is set between the carrying platform and the dressing plate, for leading this
Tabula rasa processing group moves a fixed range to the carrying platform.
3. light guide plate as claimed in claim 2 to bit correction system, which is characterized in that gantry translating device include a machine
Tool arm, for moving the light guide plate processing group.
4. light guide plate as claimed in claim 3 to bit correction system, which is characterized in that be additionally provided on the mechanical arm multiple
Sucker, the multiple sucker translate the light guide plate processing group by way of absorption.
5. light guide plate as claimed in claim 4 to bit correction system, which is characterized in that the carrying platform have one measure dress
It sets, and the measuring equipment is connect with the dressing plate signal, to be measured for the light guide plate processing group after polishing
And the stacking offset vector is obtained, and the stacking offset vector is transmitted to the dressing plate.
6. a kind of contraposition bearing calibration of light guide plate, which is characterized in that light guide plate described in its any of the above-described claim
To bit correction system comprising following steps:
Step S10: moving muti-piece light guide plate by the mobile device and stacks the muti-piece light guide plate, and light guide plate is made to stack to form one
Light guide plate processing group, wherein the mobile device is equipped at least two detection elements；
Step S11: the mobile device is driven to move any light guide plate to the dressing plate, while the detection element is detected this and led
The position of tabula rasa, and then multiple shifted signals are obtained, wherein the dressing plate has the position for placing support plate and driving placement support plate
Move motor；
Step S12: after the detection element obtains shifted signal, the shifted signal is transmitted to the processing unit, the processing unit
The offset of the light guide plate is calculated according to the shifted signal, and generates a deviation correcting signal；
Step S13: before the light guide plate is placed in the placement support plate, which drives this to put according to the deviation correcting signal
Support plate is set to be moved and rotated；
Step S14: the light guide plate is placed on the placement support plate after displacement rotating by the mobile device；
Step S15: repeating to move light guide plate using the mobile device, until the light guide plate, which is sequentially aligned, is stacked in placement load
On plate, to form light guide plate processing group；
Step S20: mobile light guide plate processing group to the carrying platform carries out polishing；
Step S21: after the completion of polishing, detection light guide plate processing group and then one stacking offset vector of acquirement, stacking offset
Vector isWherein, the light guide plate positioned at most top side and the light guide plate positioned at most bottom side, the two panels leaded light Board position
Between offset be (△ d1, △ d2), total the piece number of light guide plate processing group is N；
Step S22: being back to the dressing plate for the stacking offset vector, allow subsequent light guide plate be placed on the placement support plate it
Before, which is should according to the stacking offset vector driving obtained in the deviation correcting signal and step S21 obtained in step S12
It places support plate to be moved and rotated, to form new batch of light guide plate to accept the light guide plate moved by mobile device, and stack
Processing group.
7. the contraposition bearing calibration of light guide plate as claimed in claim 6, which is characterized in that in step S10~S15, respectively lead
Tabula rasa is equipped at least two contraposition marks, and the detection element being arranged in mobile device, a respective default base in installing
Quasi coordinates, when mobile device moves any light guide plate to dressing plate, detection element detects the contraposition mark and the base
Vector between quasi coordinates, to obtain the shifted signal.
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