CN105910794A - Apparatus and method for detecting defect of optical film - Google Patents
Apparatus and method for detecting defect of optical film Download PDFInfo
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- CN105910794A CN105910794A CN201610102536.3A CN201610102536A CN105910794A CN 105910794 A CN105910794 A CN 105910794A CN 201610102536 A CN201610102536 A CN 201610102536A CN 105910794 A CN105910794 A CN 105910794A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8858—Flaw counting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8877—Proximity analysis, local statistics
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention provides an apparatus and a method for detecting the defect of an optical film. The apparatus for detecting the defect of the optical film comprises a receiving part used for receiving the detect information of an optical film roll from at least one detection apparatus; a defect part decision part used for deciding the defect part of the optical film roll in the corresponding two-dimensional plane based on the defect information; a searching part used for searching a region of the plane based on the defect part, wherein a preset number of defects exist in the above region; and a defect detecting part used for detecting periodic defects based on the number of defects in the searched region and the interval between the defects.
Description
Technical field
The present invention relates to the bad technology produced in the process of blooming for detection.
Background technology
Generally, have in the process of optics film roll (roll) same interval bad continuously
In the case of more than certain value producing, this region is appointed as special management region, product examines
The person of looking into checks further.
Now, inspector observes bad detection figure (two-dimensional coordinate figure) and determines whether week
Phase property is bad.But, due to the difference of the proficiency between inspector, and it is difficult to perception not
The difference of the interval benchmark of bring bad of the change of the scale (scale) of the X/Y axle of good detection figure,
So for the correct of substantial amounts of volume and there is the bad confirmation of the periodicity of coherency and management is tired
Difficult.And in the case of being checked by inspector, there are Inspection needs substantial amounts of
Expense and the problem of time.
Prior art literature
Patent documentation
Patent documentation 1: Korean laid-open 2003-0046267 publication
Summary of the invention
Invent problem to be solved
It is an object of the invention to provide the cycle produced in the process of blooming for detection
The bad detection device and method that property is bad.
For solving the means of problem
1, the bad detection device of blooming, it comprises:
Acceptance division, from least one, it checks that device receives the flame of optics film roll (roll)；
Bad position determination section, it determines corresponding with described optics film roll based on described flame
Two dimensional surface on bad position；
Exploration portion, it explores being set on described two dimensional surface based on described bad position
Number more than the region of bad existence；With
Bad test section, its based on bad number contained in the described region being explored and bad between
Interval detect periodically the worst.
2, according to the bad detection device of the blooming described in above-mentioned project 1, wherein, described exploration
Portion sets a certain size the exploration comprising each bad position described for each bad position
Region, changes the position in described exploration region centered by each bad position described successively, visits
The region of the bad existence of more than the number being set described in region respectively explored by rope.
3, according to the bad detection device of the blooming described in above-mentioned project 1, wherein, described exploration
Portion sets a certain size multiple exploration regions of coordinate centered by the position that each is bad, explores
The region of each bad existence exploring more than the number being set described in region.
4, according to the bad detection device of the blooming described in above-mentioned project 1, wherein, described exploration
Described two dimensional surface is divided into a certain size multiple exploration regions by portion, explores divided each spy
The region of bad the existence more than number being set described in rope region.
5, according to the bad detection device of the blooming described in above-mentioned project 1, wherein, described exploration
Portion sets a certain size exploration region in described two dimensional surface, by the position in described exploration region
The most only change certain distance, explore the bad of more than the number being set described in each exploration region
The region existed.
6, according to the bad detection device of the blooming described in above-mentioned project 1, wherein, described bad
Test section comprises:
Storage part, the position in region being explored described in its storage；
Candidate areas determination section, its position based on the described region being explored, it is explored described
Region be determined as bad candidate areas, overlapping or continuous print region in the described region being explored
In the presence of, by unified, by by unified region to region or the continuous print region of described overlap
It is determined as described bad candidate areas；
Bad judging part, its based on bad number contained in described bad candidate areas and bad between
Interval judge that described periodicity is bad with or without existence, with described in described bad candidate areas
On the basis of the length direction of volume, bad number contained in same string is more than the value being set,
And the number at the same interval in the interval of bad contained by these row is more than the value being set
In the case of, it is judged that bad for described periodicity；With
Bad detection information generation unit, it is in the case of detecting that described periodicity is bad, generates
Comprise the relevant information in the generation position bad with the described periodicity in the operation line of blooming not
Good detection information.
7, according to the bad detection device of the blooming described in above-mentioned project 6, wherein, described candidate
Area determination will be for the described region being explored or described each will all wrap by unified region
Region containing bad minimum dimension contained in each region is determined as described bad candidate areas.
8, the failure detection method of blooming, it comprises:
Checked that device receives the stage of the flame of optics film roll (roll) by least one；
Based on described flame determine on the two dimensional surface corresponding with described optics film roll bad
Stage of position；
Explore the bad of more than the number being set in described plane based on described bad position to deposit
Stage in region；With
Based on bad number contained in the described region being explored and bad between interval detect week
The stage that phase property is bad.
9, according to the failure detection method of the blooming described in above-mentioned project 8, wherein, described exploration
Stage each the bad position in described two dimensional surface set comprise that described each is bad
A certain size exploration region of position, changes institute centered by each bad position described successively
State the position exploring region, explore the bad of more than the number being set described in each exploration region and deposit
Region.
10, according to the failure detection method of the blooming described in above-mentioned project 8, wherein, described exploration
Phase sets a certain size multiple exploration regions of coordinate centered by the position that each is bad,
Explore the region of the bad existence of more than the number being set described in each exploration region.
11, according to the failure detection method of the blooming described in above-mentioned project 8, wherein, described exploration
Stage described two dimensional surface is divided into a certain size multiple exploration regions, explore divided
The region of each bad existence exploring more than the number being set described in region.
12, according to the failure detection method of the blooming described in above-mentioned project 8, wherein, described exploration
Stage in described plane, set a certain size exploration region, change described exploration region successively
Position, explore the region of the bad existence of more than the number being set described in each exploration region.
13, according to the failure detection method of the blooming described in above-mentioned project 8, wherein, described detection
Stage comprise:
The stage of the position in the region being explored described in storage；
The described region being explored is determined as bad candidate by position based on the described region being explored
Region, in the described region being explored in the presence of overlapping or continuous print region, by described
Overlapping region or continuous print region are unified, will be determined as described bad candidate district by unified region
The stage in territory；
Based on bad number contained in described bad candidate areas and bad between interval judge institute
Stating the worst with or without existence, in described bad candidate areas, the length direction with described volume is
Benchmark, bad number contained in same string is more than the value being set, and institute in these row
In the case of the number at the same interval in the interval of bad contained is more than the value being set, sentence
Break as described periodicity bad stage；With
In the case of detecting that described periodicity is bad, generate comprise with in the operation line of blooming
Stage of the bad bad detection information that the relevant information in position occurs of described periodicity.
14, according to the failure detection method of the blooming described in above-mentioned project 13, wherein, described certainly
The stage of fixed bad candidate areas is for the described region being explored or described each by unified region
It is determined as described bad time from by the region all comprising bad minimum dimension contained in each region
Mend region.
The effect of invention
According to the present invention, the presence or absence product bad by automatically judging periodicity contained in blooming
Raw, can with the volume of production of blooming independently according to the quality of a series of benchmarking blooming,
And it is shortened by the worst detection time and productivity ratio can be improved.
It addition, according to the present invention, due to the periodicity can promptly grasped and notify in blooming
Bad with or without generation, handling rapidly for the worst generation can be carried out, can drop
The production loss (Loss) of low optical film.
Accompanying drawing explanation
Fig. 1 is the pie graph of the bad detection device of the blooming that one embodiment of the present invention relates to.
Fig. 2 is the detailed pie graph of the bad test section that one embodiment of the present invention relates to.
Fig. 3 is the diagrammatic illustration for illustrating to explore the process in the region of bad existence.
Fig. 4 is the diagrammatic illustration for illustrating to explore the process in the region of bad existence.
Fig. 5 is the diagrammatic illustration for illustrating to explore the process in the region of bad existence.
Fig. 6 is the diagrammatic illustration for illustrating to explore the process in the region of bad existence.
Fig. 7 is the diagrammatic illustration of the setting for bad candidate areas is described.
Fig. 8 is the diagrammatic illustration of the setting for bad candidate areas is described.
Fig. 9 is the diagrammatic illustration of the setting for bad candidate areas is described.
Figure 10 is the diagrammatic illustration of the setting for bad candidate areas is described.
Figure 11 is the diagrammatic illustration of the setting for bad candidate areas is described.
Figure 12 is the diagrammatic illustration for the worst judge process is described.
Figure 13 is the diagrammatic illustration for the worst judge process is described.
Figure 14 is the flow process of the failure detection method of the blooming that one embodiment of the present invention relates to
Figure.
Figure 15 is the stream representing the bad detection process of periodicity that one embodiment of the present invention relates to
Cheng Tu.
Detailed description of the invention
Specific embodiment hereinafter, with reference to the accompanying drawings of the present invention.The explanation of greater detail below
For helping to carry about the understanding included of the method described in this specification, device and/or system
Supply.But, these only illustrate, and the present invention is not limited thereto.
When embodiments of the present invention are described, in the specific description of the known technology for association
In the case of being judged as making the main points of the present invention indefinite, omit detail explanation.It addition,
Term described later is the term considering the function definition in the present invention, can be according to user, fortune user
Intention or convention etc. and different.Therefore, this definition should be carried out based on the content that this specification is whole.
The term used in detailed description, for describing embodiments of the present invention simply, does not certainly limit
System.Use as long as no with the most different meanings, then the expression of singulative comprises plural form
The meaning.In this explanation, " comprising " or " possessing " such expression refer to any characteristic, numeral,
Stage, action, key element, their part or combination, in addition to being described, should not arrange
Except one or its other above characteristic, numeral, stage, action, key element, their part
Or combination existence or probability and explain.
Fig. 1 is the pie graph of the bad detection device of the blooming that one embodiment of the present invention relates to.
With reference to Fig. 1, the bad detection device 100 of the blooming that one embodiment of the present invention relates to wraps
Containing acceptance division 110, bad position determination section 120, exploration portion 130 and bad test section 140.
From at least one, acceptance division 110 checks that device receives the flame of optics film roll (roll).
Now, each inspection device refers to the different position being configured on the operation line of blooming, for examining
Survey produce in the manufacturing process of blooming bad, generate bad relevant bad with detect
The device of information.
Such as, check that device may be embodied in the operation line of blooming to be configured at above blooming
Camera assembly, it is also possible to be configured to use this camera assembly that blooming is shot, root
Bad according to captured image detection.It addition, therefore, it can on the basis of blooming, in photograph
The opposing face in the face at thermomechanical components place possesses light source, and camera assembly can also be configured to from light source
The light releasing and having passed through blooming shoots.In the case of Gai, exist bad in blooming
In the case of, should be partially due to the permeability step-down of light, it is possible to easily detect bad.
Additionally, by check device generate flame can comprise detect bad position,
Size, brightness, have taken detect bad image, check start time and finish time etc..
Bad position determination section 120 is based on by checking that the flame that device receives determines and optics
Bad position on the two dimensional surface that film roll is corresponding.
Such as, bad position determination section 120 may be constructed corresponding with the length of optics film roll and width
Two dimensional surface, by unified for the flame received by each inspection device, determines in this two dimensional surface
Bad position.Now, the bad position in two dimensional surface can be based on by each inspection device
Bad position contained in the flame received determines.It addition, the length of optics film roll
And width can use value set in advance.
Exploration portion 130 is explored in two dimension based on the bad position determined by bad position determination section 120
The region of bad the existence more than number being set in plane.
Such as, exploration portion 130 sets a certain size exploration region, makes an inspection tour set on two dimensional surface
Fixed exploration region, counts contained bad number in exploring region simultaneously, thus can visit
The region of bad the existence more than number that rope has been set.With reference to Fig. 3～6, it is specifically described.
In Fig. 3～6, the region representation shown in dotted line explores region, and the part that circle represents represents bad
Position.Additionally, Fig. 3～6 representing, exploring region is the shape of tetragon, but it is not limited to this.
Such as, it can also be circular for exploring region, can be deformed into suitable shape according to the selection of user
Shape.It addition, explore the size in region such as it is contemplated that calculated load, calculating correctness etc. by with
Family sets.
According to an embodiment of the present invention, exploration portion 130 can be for contained each in two dimensional surface
Individual bad position sets a certain size the exploration region comprising each bad position.And,
Exploration portion 130 can change the position exploring region centered by the position that each is bad, explores each spy
The region of bad the existence more than number being set in rope region.
Specifically, with reference to Fig. 3, exploration portion 130 can set on two dimensional surface 300 contained multiple
The exploration region 321 of the worst 310 is comprised in bad.And, exploration portion 130 can be to set
The fixed bad number explored in region 321 counts, it is judged that whether bad number is to be set
Number more than.
Secondly, exploration portion 130 can make exploration region 321 along X-axis centered by the position of bad 310
Direction only moves a certain distance, and the bad number explored in region 322 is carried out by position after movement
Counting, it is judged that whether bad number is more than the number being set.
Secondly, exploration portion 130 can make exploration region 322 along X-axis centered by the position of bad 310
Direction the most only moves a certain distance, the umber of defectives to exploring in region 323 of the position after movement
Count, it is judged that whether bad number is more than the number being set.
Secondly, exploration portion 130 can make exploration region 323 along Y-axis centered by the position of bad 310
Direction only moves a certain distance, and the bad number explored in region 324 is carried out by position after movement
Counting, it is judged that whether bad number is more than the number being set.
So, exploration portion 130 can make exploration region along X-axis and Y centered by the worst 310
Direction of principal axis the most only moves a certain distance, and enters, in respective position, the bad number explored in region
Row counting, explores the bad region comprising more than the number being set.
Additionally, in example illustrated, the displacement exploring region can be preset by user.
It addition, exploration portion 130 can be bad with same for contained each in two dimensional surface 300
Mode sets exploration region, makes the exploration region being set move, while judging in each position
Put and explore whether bad number contained in region is more than the number being set.
On the other hand, according to other embodiments of the present invention, exploration portion 130 can be at two dimensional surface
Middle setting is a certain size exploration region of coordinate centered by the position that each is bad, explores each spy
The region of bad the existence more than number being set in rope region.
As specific example, with reference to Fig. 4, exploration portion 130 can be for contained in two dimensional surface 400
Each bad setting by each bad centered by a certain size exploration region 410 of coordinate, 420,
430、440、450.And, exploration portion 130 can for each exploration region 410,420,430,
440,450 bad number is counted, explore the bad district comprising more than the number being set
Territory.
On the other hand, according to other the embodiment further of the present invention, exploration portion 130 can be by
Two dimensional surface is divided into a certain size multiple exploration regions, explores in divided each exploration region
The region of bad the existence more than number being set.
As specific example, with reference to Fig. 5, two dimensional surface 500 can be divided into one by exploration portion 130
The exploration region 510,520,530,540 of sizing.And, each can be visited by exploration portion 130
Bad number contained in rope region 510,520,530,540 counts, it may be judged whether comprise
More than the number being set bad.
On the other hand, according to other the embodiment further of the present invention, exploration portion 130 can be
Setting a certain size exploration region in two dimensional surface, in two dimensional surface, region is explored in change successively
Position, explore the region of the bad existence of more than the number being set in each exploration region.
As specific example, with reference to Fig. 6, exploration portion 130 can specific on two dimensional surface 600
Position set a certain size exploration region 610.And, exploration portion 130 can be set
In exploring region 610, bad number is counted, it is judged that whether bad number is the number being set
Above.
Secondly, exploration portion 130 can make exploration region 610 the most only move a spacing along Y direction
From, in each position, the bad number explored in region 620,630,640,650 is counted,
Judge whether bad number is more than the number being set.
Additionally, in the case of exploration region can not be made in the Y-axis direction to move more than it, exploration portion 130
After only can moving a certain distance along X-direction making exploration region, to exploring in region 660 not
Good number counts, it is judged that whether bad number is more than the number being set.
Secondly, exploration portion 130 can make exploration region 660 again the most mobile certain along X-direction
Distance, counts the umber of defectives explored in region in each position, it is judged that whether bad number
For more than the number that has been set.
By such mode, exploration portion 130 can use explores region tour two dimensional surface 600
Region-wide, in each position, the umber of defectives explored in region is counted simultaneously, explore and set
The region of bad existence more than fixed number.
Additionally, in Fig. 6 example illustrated, exploring the moving direction in region and displacement can be by
User presets.
Bad test section 140 can be based on contained bad in the region being explored by exploration portion 130
Several and bad between interval detect periodically the worst.Here, the worst referring to separates necessarily
It is bad that gap periods occurs.
Specifically, bad test section 140 can set based on the region being explored by exploration portion 130
More than one bad candidate areas.It addition, bad test section 140 can be set each bad
Bad number is counted on the basis of the length direction of optics film roll by candidate areas.Now,
In the case of bad number is more than the value being set, the interval of bad can be calculated and examine
Survey the worst.
Fig. 2 is the detailed pie graph of the bad test section 140 that one embodiment of the present invention relates to.
With reference to Fig. 2, the bad test section 140 that one embodiment of the present invention relates to comprises storage part
141, candidate areas determination section 142, bad judging part 143 and bad detection information generation unit 144.
Storage part 141 can store more than the number being set being explored by exploration portion 130 not
The position in the region of good existence.Specifically, storage part 141 can store and be visited by exploration portion 130
Position on the two dimensional surface in the region of rope.According to an embodiment of the present invention, storage part 141 can
Realize in the way of the image buffers to be made up of the two-dimensional arrangements corresponding with two dimensional surface, can make
With the position in the region that two-dimensional arrangements storage is explored by exploration portion 120.
Candidate areas determination section 142 can be based on region that be stored in storage part 141, that be explored
Position determines more than one bad candidate areas.
Such as, candidate areas determination section 142 can will be stored in what each of storage part 141 was explored
Region determines as bad candidate areas.
Now, according to an embodiment of the present invention, candidate areas determination section 142 is being stored in storage
In the region being explored in portion 141 in the presence of overlapping or continuous print region, can by overlapping or
Continuous print region is unified, will be determined as bad candidate areas by unified region.Now, in order to unite
One overlapping or continuous print region, it is possible to use the such labelling of Blob Labeling algorithm
(Labeling) algorithm.
As specific example, with reference to Fig. 7, on the two dimensional surface 710 corresponding with optics film roll by
The region 711,712,713 that exploration portion 120 is explored can be stored respectively in and be constituted with two-dimensional arrangements
The corresponding position 721,722,723 of memory area 720 of storage part 141.
Now, candidate areas determination section 142 can by region that is 721 being explored by exploration portion 130,
The region of 722 and 723 is determined as bad candidate areas respectively.
As other example, in Fig. 7, owing to the region of 721 and the region of 722 are continuous print regions,
So candidate areas determination section 142 can by 721 region and the region example as shown in Figure 8 of 722
It is unified into a region 724 like that, will be determined as respectively by the 724 of unified region and the region of 723
Bad candidate areas.
As other example, with reference to Fig. 9, by exploring on the two dimensional surface 910 corresponding with optics film roll
The region 911,912,913 that portion 120 is explored can be stored respectively in depositing that two-dimensional arrangements is constituted
The corresponding position 921,922,923 of the memory area 920 in storage portion 141.
Now, candidate areas determination section 142 can by region that is 921 being explored by exploration portion 130,
The region of 922 and 923 is determined as bad candidate areas respectively.
As other example, due to the district of 921 in region that be stored in storage part 141, that be explored
Territory and 922 region be overlapping region, so candidate areas determination section 142 can be by the region of 921
With 922 region example as shown in Figure 10 be unified into a region 924 like that, by by unified district
The 924 of territory and the region of 923 be determined as bad candidate areas respectively.
On the other hand, according to an embodiment of the present invention, candidate areas determination section 142 can be for
The region that is explored by exploration portion 130 or each will be completely included in each region by unified region
The region of contained bad minimum dimension is determined as bad candidate areas.
As specific example, with reference to Figure 10 and Figure 11, candidate areas determination section 142 can be for quilt
Unified region 924 and all do not comprised in each region contained by the respective setting in unified region 923
Bad Minimum Area 925,926, set Minimum Area 925,926 is determined as respectively
Bad candidate areas.
Additionally, in the example shown in Figure 11, illustrate the shape that Minimum Area is tetragon, but
Being not limited to this, the shape of Minimum Area can also be such as circular etc. variously-shaped.
Bad judging part 143 can be with the length direction of optics film roll in each bad candidate areas
On the basis of, based in bad number contained in same string and above-mentioned same string contained bad between
Interval is detected the worst.
As specific example, with reference to Figure 12, bad judging part 143 is in each bad candidate areas
1210, in 1220 on the basis of the length direction of optics film roll, to contained bad in same string
Number counts, and thus can be determined that whether the bad of more than the number being set exists.Such as,
If being 3 for being judged as the bad number of periodically bad existence, then in bad candidate areas 1210
In the case of, there are not the bad row containing more than 3, but in the feelings of bad candidate areas 1220
Under condition, there are the row 1221 bad containing 4.
Therefore, bad judging part 143 is for the row 1221 bad containing 4, example as shown in fig. 13 that
Son calculates the interval 1310 of bad like that, counts the number at same interval.Now, same
In the case of the number at one interval is more than the number being set, bad judging part 143 may determine that as week
Phase property is bad.Such as, the worst in order to judge, it is assumed that for the same interval being set
The interval that number is contained in 3, and row 1221 bad identical time, in row 1221, same
Every number be 4, the worst judging part 143 can finally be judged as in optics film roll with row
1221 corresponding positions exist the worst.
Bad detection information generation unit 144 detect periodically the worst in the case of, can generate with
The bad relevant bad detection information of periodicity detected.Now, bad detection information such as may be used
With the information relevant containing the generation position bad with the periodicity in the operation line of blooming, optics
What periodicity in the operation line of film was bad occur, and position can be based on the week detected on blooming
The bad generation position of phase property calculates.Such as, bad detection information generation unit 144 can be with blooming
Operation line in blooming conveying direction on the basis of, based on from the starting position of blooming to by
The distance that position occurs that the periodicity that detects in blooming is bad, it is judged that the operation line of blooming
In the bad generation position of periodicity.
On the other hand, according to an embodiment of the present invention, bad detection information generation unit 144 is passed through
Send the bad detection information generated to the gerentocratic terminal of such as Working procedure management system, operation
Warning devices in the terminal of the operator of line or operation line, thus can be carried out for the cycle
Handling rapidly of the generation that property is bad.
Figure 14 is the flow chart of the failure detection method of the blooming that one embodiment of the present invention relates to.
With reference to Figure 14, from least one, the bad detection device 100 of blooming checks that device receives light
Learn the flame (1410) of film roll (roll).
Thereafter, the bad detection device 100 of blooming based on the flame received determine with
Bad position (1420) on the two dimensional surface that optics film roll is corresponding.
Then, the bad detection device 100 of blooming is explored based on the bad position determined
The region (1430) of bad the existence more than number being set on two dimensional surface.
Such as, the bad detection device 100 of blooming can be bad for each in two dimensional surface
Position sets a certain size the exploration region comprising each bad position, with the position that each is bad
The position exploring region is changed at the center that is set to successively, explore the number that has been set in each exploration region with
On the region of bad existence.
As other example, the bad detection device 100 of blooming can set with contained in two dimensional surface
Each bad position centered by a certain size multiple exploration regions of coordinate, explore each exploration district
The region of bad the existence more than number being set in territory.
As further other example, the bad detection device 100 of blooming can be by two dimensional surface
Be divided into a certain size multiple exploration regions, explore in divided each exploration region above-mentioned by
The region of the bad existence more than number set.
As further other example, the bad detection device 100 of blooming can be at two dimensional surface
A certain size exploration region of middle setting, changes the position in above-mentioned exploration region successively, explores each spy
The region of bad the existence more than number being set in rope region.
Afterwards, the bad detection device 100 of blooming is based on contained bad in the region being explored
Number and bad between interval detect periodically bad (1440).
Afterwards, the bad detection device 100 of blooming generates bad relevant with the periodicity detected
Bad detection information (1450).Now, bad detection information such as can contain and blooming
The information that what periodicity in operation line was bad occur position is relevant.
Afterwards, the bad detection information generated is sent to by the bad detection device 100 of blooming
The gerentocratic terminal of such as Working procedure management system, the terminal of operator of operation line or operation
Warning devices (1460) on line.
Figure 15 is the stream representing the bad detection process of periodicity that one embodiment of the present invention relates to
Cheng Tu.
With reference to Figure 15, the bad detection device 100 of blooming can be stored in the exploratory stage of Figure 14
The position (1510) in 1430 regions explored.Now, the bad detection device 100 of blooming
The positional information in the region that two-dimensional arrangements storage is explored can be used.
Afterwards, bad detection device 100 position based on the region being explored of blooming determines
Bad candidate areas (1520).
Such as, the regional being explored can be determined as not by the bad detection device 100 of blooming
Good candidate areas.
As other example, the bad detection device 100 of blooming is overlapping or company in the region being explored
In the presence of continuous region, will be able to be united unified to overlapping region or continuous print region
The region of one is determined as bad candidate areas.
As further other example, the bad detection device 100 of blooming can be for being explored
Region or will all be comprised in each region contained bad minimum chi by the respective of unified region
Very little region is determined as bad candidate areas.
Afterwards, the bad detection device 100 of blooming is based on contained bad in bad candidate areas
Number and bad between interval judge periodically the worst with or without there are (1530).
Such as, the bad detection device 100 of blooming can be with the length side of the volume of bad candidate areas
On the basis of to, bad number contained in same string is in more than the value being set, and these row
In the case of in the interval of contained bad, the number at same interval is more than the value being set, sentence
Break as the worst.
In the flow chart of Figure 15 and Figure 16, said method is divided into multiple stage represent, but at least one
Part stage can also change order and perform, or performs with other stage combination, or omits,
Or it is divided into the thin stage to perform, or the additional not shown more than one stage performs.
On the other hand, embodiments of the present invention can comprise containing for being performed this theory by computer
The record medium of the embodied on computer readable of the program of the method for narration in bright book.Above computer is readable
The record medium taken can contain program command, local data's file, local data alone or in combination
Structure etc..Above-mentioned medium can also be the medium constituted in order to the present invention designs especially or
Can normally used medium in computer software fields.Record medium in embodied on computer readable
In example, comprise hard disk, floppy disk and the optical recording medium such as tape magnetic media, CD-ROM, DVD
The magnetic-light medium such as matter, floppy disk, ROM, RAM, flash memories etc. are with storage and perform program
The hardware unit that the mode of order is constituted especially.As the example of program command, can not only wrap
Containing the machine language code generated by compiler, and comprise use translating machine etc. and can be held by computer
The higher-level language code of row.
Above, several embodiments of the invention is illustrated, but these embodiment conducts
Example shows, it is therefore intended that limit the scope of invention.These new embodiments can be each with other
Kind of mode is implemented, can carry out in the range of the main points without departing from invention various omission, displacement,
Change.These embodiments, its deformation are included in the scope of invention, main points, are simultaneously contained in
In invention described in Patent right requirement and its equivalency range.
The explanation of reference
100: the bad detection device of blooming
110: acceptance division
120: bad position determination section
130: exploration portion
140: bad test section
141: storage part
142: candidate areas determination section
143: bad judging part
144: bad detection information generation unit
Claims (14)
1. the bad detection device of blooming, it comprises:
Acceptance division, from least one, it checks that device receives the flame of optics film roll (roll)；
Bad position determination section, it determines corresponding with described optics film roll based on described flame
Two dimensional surface on bad position；
Exploration portion, it explores being set on described two dimensional surface based on described bad position
Number more than the region of bad existence；With
Bad test section, its based on bad number contained in the described region being explored and bad between
Interval detect periodically the worst.
The bad detection device of blooming the most according to claim 1, wherein, described exploration
Portion sets a certain size the exploration comprising each bad position described for each bad position
Region, changes the position in described exploration region centered by each bad position described successively, visits
The region of the bad existence of more than the number being set described in region respectively explored by rope.
The bad detection device of blooming the most according to claim 1, wherein, described exploration
Portion sets a certain size multiple exploration regions of coordinate centered by the position that each is bad, explores
The region of each bad existence exploring more than the number being set described in region.
The bad detection device of blooming the most according to claim 1, wherein, described exploration
Described two dimensional surface is divided into a certain size multiple exploration regions by portion, explores divided each spy
The region of bad the existence more than number being set described in rope region.
The bad detection device of blooming the most according to claim 1, wherein, described exploration
Portion sets a certain size exploration region in described two dimensional surface, by the position in described exploration region
The most only change certain distance, explore the bad of more than the number being set described in each exploration region
The region existed.
The bad detection device of blooming the most according to claim 1, wherein, described bad
Test section comprises:
Storage part, the position in region being explored described in its storage；
Candidate areas determination section, its position based on the described region being explored, it is explored described
Region be determined as bad candidate areas, overlapping or continuous print region in the described region being explored
In the presence of, by unified, by by unified region to region or the continuous print region of described overlap
It is determined as described bad candidate areas；
Bad judging part, its based on bad number contained in described bad candidate areas and bad between
Interval judge that described periodicity is bad with or without existence, with described in described bad candidate areas
On the basis of the length direction of volume, bad number contained in same string is more than the value being set,
And the number at the same interval in the interval of bad contained by these row is more than the value being set
In the case of, it is judged that bad for described periodicity；
Bad detection information generation unit, it is in the case of detecting that described periodicity is bad, generates
Comprise the relevant information in the generation position bad with the described periodicity in the operation line of blooming not
Good detection information.
The bad detection device of blooming the most according to claim 6, wherein, described candidate
Area determination will be for the described region being explored or described each will all wrap by unified region
Region containing bad minimum dimension contained in each region is determined as described bad candidate areas.
8. the failure detection method of blooming, it comprises:
Checked that device receives the stage of the flame of optics film roll (roll) by least one；
Based on described flame determine on the two dimensional surface corresponding with described optics film roll bad
Stage of position；
Explore the bad of more than the number being set in described plane based on described bad position to deposit
Stage in region；With
Based on bad number contained in the described region being explored and bad between interval detect week
The stage that phase property is bad.
The failure detection method of blooming the most according to claim 8, wherein, described exploration
Stage each the bad position in described two dimensional surface set comprise that described each is bad
A certain size exploration region of position, changes institute centered by each bad position described successively
State the position exploring region, explore the bad of more than the number being set described in each exploration region and deposit
Region.
The failure detection method of blooming the most according to claim 8, wherein, described exploration
Phase sets a certain size multiple exploration regions of coordinate centered by the position that each is bad,
Explore the region of the bad existence of more than the number being set described in each exploration region.
The failure detection method of 11. bloomings according to claim 8, wherein, described exploration
Stage described two dimensional surface is divided into a certain size multiple exploration regions, explore divided
The region of each bad existence exploring more than the number being set described in region.
The failure detection method of 12. bloomings according to claim 8, wherein, described exploration
Stage in described plane, set a certain size exploration region, change described exploration region successively
Position, explore the region of the bad existence of more than the number being set described in each exploration region.
The failure detection method of 13. bloomings according to claim 8, wherein, described detection
Stage comprise:
The stage of the position in the region being explored described in storage；
The described region being explored is determined as bad candidate by position based on the described region being explored
Region, in the described region being explored in the presence of overlapping or continuous print region, by described
Overlapping region or continuous print region are unified, will be determined as described bad candidate district by unified region
The stage in territory；
Based on bad number contained in described bad candidate areas and bad between interval judge institute
Stating the worst with or without existence, in described bad candidate areas, the length direction with described volume is
Benchmark, bad number contained in same string is more than the value being set, and institute in these row
In the case of the number at the same interval in the interval of bad contained is more than the value being set, sentence
Break as described periodicity bad stage；With
In the case of detecting that described periodicity is bad, generate comprise with in the operation line of blooming
Stage of the bad bad detection information that the relevant information in position occurs of described periodicity.
The failure detection method of 14. bloomings according to claim 13, wherein, described certainly
The stage of fixed bad candidate areas is for the described region being explored or described each by unified region
It is determined as described bad time from by the region all comprising bad minimum dimension contained in each region
Mend region.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150026616A KR101733017B1 (en) | 2015-02-25 | 2015-02-25 | Apparatus and method for detecting defect of optical film |
| KR10-2015-0026616 | 2015-02-25 |
Publications (2)
| Publication Number | Publication Date |
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| CN105910794A true CN105910794A (en) | 2016-08-31 |
| CN105910794B CN105910794B (en) | 2021-02-09 |
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| CN201610102536.3A Active CN105910794B (en) | 2015-02-25 | 2016-02-24 | Device and method for detecting defect of optical film |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6703856B2 (en) |
| KR (1) | KR101733017B1 (en) |
| CN (1) | CN105910794B (en) |
| TW (1) | TWI678529B (en) |
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| KR101876908B1 (en) * | 2018-01-16 | 2018-07-10 | (주) 리드에이텍 | Enhancement method for location accuracy of display panel defect |
| CN116730056B (en) * | 2023-08-15 | 2023-10-27 | 江苏铭丰电子材料科技有限公司 | Copper foil coiling mechanism of measurable defect |
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Also Published As
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| JP2016156821A (en) | 2016-09-01 |
| JP6703856B2 (en) | 2020-06-03 |
| TWI678529B (en) | 2019-12-01 |
| TW201631313A (en) | 2016-09-01 |
| KR101733017B1 (en) | 2017-05-24 |
| CN105910794B (en) | 2021-02-09 |
| KR20160103795A (en) | 2016-09-02 |
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