CN101191932A - Method and device for auxiliarily proceeding statistic process control in Liquid crystal screen production - Google Patents
Method and device for auxiliarily proceeding statistic process control in Liquid crystal screen production Download PDFInfo
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Abstract
The invention provides a method for the auxiliary statistical process control in the course of the production of a liquid crystal box. The steps of the method are as follows: the process data of one or a plurality of process equipment in the course of production are obtained; the process data are resolved according to preset rules and the process data after resolved are obtained; the resolved process data are sent to a statistical process control device. The step of resolution also comprises the preprocessing operation which can be one or a plurality of the following processes: the sequencing process, the classification process, the calculation process, the accuracy process and the offset correction process. The preset rules includes: the determination of rules of particular devices, the determination of rules of particular data fields and the determination of rules of particular forms of the process data. Besides, the invention provides a device for the auxiliary statistical process control in the course of production of a liquid crystal box. The invention can effectively raise the work efficiency of monitoring the course of production of the liquid crystal box, reduce the error possibility and realize the real time monitoring of the course really and truly.
Description
Technical field
The present invention relates to a kind of real-time statistics process control (SPC) system, relate in particular to auxiliary method and the device that carries out statistical Process Control in liquid crystal display production.
Background technology
The liquid crystal display industry is an industry in great demand, and correspondingly, the liquid crystal display production management also is the comparison difficulty.The step of the liquid crystal display manufacturing is quite complicated on the one hand, many kinds produce simultaneously and turnout big, process equipment costliness, raw materials for production costliness that the production of the opposing party's liquid crystal display is relevant, therefore, need manufacture liquid crystal display and effectively manage, to reduce error rate, to reduce rejection rate, improve productivity effect.
At present, manufacture industry at liquid crystal display and generally adopt manufacturing execution system (MES, Manufacturing Execution System) to assist to carry out production control, also adopt statistical Process Control (SPC) technology simultaneously through regular meeting.The SPC technology is the current important means of carrying out procedure quality control in the industry of manufacturing.Traditional be used for the obtaining all of data that SPC analyzes and finish by artificial input, data volume is less, and low precision can only be analyzed the quality conditions of some time periods; Even the software of some equipment has the SPC function, that also can only be monitored a certain equipment, can't be in a system to production line in all equipment carry out real-time monitoring and SPC analyzes.
Because the manufacture process of liquid crystal display is quite complicated, production process reaches up to a hundred even more, the kind of corresponding production equipment and checkout facility and quantity also very many (hundreds of platforms), the important technical parameter of these equipment situation of change in process of production is to quality, the technician is extremely important, simultaneously because the output of liquid crystal display production line is very big, the pause of short time will be made millions of, ten million yuan loss, so real-time monitoring and analysis to equipment state, it is particularly important with disposal in time to take preventive measures before problem takes place, the real-time of data is problems of a key like this, and needs to monitor simultaneously the situation of each processing apparatus in the production line.
Though but existing SPC system can't satisfy or can partly satisfy but and can't all satisfy the above-mentioned demand that the liquid crystal display production run is monitored in real time.The shortcoming of the utilization of existing SPC technology mainly shows as: all or part of raw data need or import SPC software by manual input or the input of non-automaticization lead-in mode, and then analyze by SPC software, may cause data precision low on the one hand, poor reliability, part process data (Process Data) will arrive on the equipment in the workshop (clean room) and obtains in some cases on the other hand, and get back to the analysis of carrying out data in the system of office, such work efficiency is low, makes the demand that the liquid crystal display production run is monitored in real time of can't really realizing.In addition, technician, managerial personnel also can't monitor the production status of all devices in real time by the office automation system in office, carry out real-time SPC and analyze and report making.
Therefore, be necessary to provide a kind of and can assist the method and the corresponding device thereof of carrying out statistical Process Control, the liquid crystal display production run is monitored in real time with realization.
Summary of the invention
The purpose of this invention is to provide auxiliary method and the device that carries out statistical Process Control in liquid crystal display production, process data can be offered the statistical Process Control device automatically by this method and apparatus, thereby real the realization monitored in real time to the liquid crystal display production run.
According to an aspect of the present invention, provide a kind of auxiliary method of carrying out statistical Process Control that in the liquid crystal display production run, is used for, comprise the steps:
A. obtain the process data of one or more process equipments in the described production run;
B. described process data is resolved the process data after obtaining to resolve;
C. the process data after the described parsing is sent to the statistical Process Control device.
Preferably, described step b comprises: described process data is resolved the process data after obtaining to resolve according to pre-defined rule.
Preferably, described step of described process data being resolved according to pre-defined rule comprises: b1. selects described process data according to pre-defined rule, obtaining the part process data after selecting, with the process data of above-mentioned part process data after selecting after as described parsing.
Preferably, described step of described process data being resolved according to pre-defined rule comprises: b1 '. according to pre-defined rule described process data is selected, to obtain the part process data after selecting; And b2 '. described part process data after selecting is carried out pre-service, to obtain through pretreated process data, with above-mentioned process data after pretreated process data is as described parsing.
Preferably, any during described step b2 ' comprises the steps or appoint multiple:
-to processings of sorting of described part process data after selecting, so that the process data conduct that exceeds standard value is by the process data of priority processing;
-to the processing of classifying of described part process data after selecting, so that process data of different nature can be distinguished;
-described part process data after selecting is calculated, and with result of calculation as the process data of process data after as described parsing;
-described part process data after selecting is carried out precision handle, so that process data meets the desired precision of described statistic processes analytical equipment; And
-described part process data after selecting is carried out offset correction handle, so that exist the process data of deviation to be corrected.
Preferably, described step a comprises: obtain the process data from the different-format of a plurality of equipment, wherein, described step b correspondingly is: the process data of the different-format of described a plurality of equipment is resolved the process data after obtaining to resolve respectively according to pre-defined rule.
Preferably, described pre-defined rule comprise in the following rule any or appoint multiple:
-determine the rule of particular device, wherein, only from the process data of described particular device with selected;
-determine the rule in particular data territory, wherein, only from the process data in the described particular data territory in the process data of described particular device with selected; And
-determine the rule of the specific format of process data, wherein, the process data that only meets described specific format is with selected.
Preferably, described step c also comprises step: the process data after the described parsing is saved to data storage device.
According to a further aspect of the invention, provide a kind of auxiliary device that carries out statistical Process Control that is used in the liquid crystal display production run, comprising: deriving means is used for obtaining the process data of the one or more process equipments of described production run; Resolver is used for described process data is resolved, the process data after obtaining to resolve; And transmitting device, be used for the process data after the described parsing is sent to the statistical Process Control device.
Preferably, described resolver also comprises: first resolver is used for according to pre-defined rule described process data being resolved the process data after obtaining to resolve.
Preferably, described first resolver comprises: first selecting arrangement, be used for described process data being selected according to pre-defined rule, obtaining the part process data after selecting, and with the process data of above-mentioned part process data after selecting after as described parsing.
Preferably, described first resolver comprises: second selecting arrangement is used for according to pre-defined rule described process data being selected, to obtain the part process data after selecting; And pretreatment unit, be used for described part process data after selecting is carried out pre-service, obtaining through pretreated process data, and with above-mentioned process data after pretreated process data is as described parsing.
Preferably, described pretreatment unit comprises: the ordering treating apparatus is used for processings of sorting of described part process data after selecting, so that the process data conduct that exceeds standard value is by the process data of priority processing.Described pretreatment unit can also comprise: divide kind processing device, be used for to the processing of classifying of described part process data after selecting, so that process data of different nature can be distinguished.Described pretreatment unit can also comprise: calculation processing apparatus, be used for described part process data after selecting is calculated, and with result of calculation as the process data of process data after as described parsing.Described pretreatment unit can also comprise: the precision treating apparatus is used for that described part process data after selecting is carried out precision and handles, so that process data meets the desired precision of described statistic processes analytical equipment.Described pretreatment unit can also comprise: driven parallax correction setter is used for that described part process data after selecting is carried out offset correction and handles, so that exist the process data of deviation to be corrected.
Preferably, be used for the auxiliary device that carries out statistical Process Control and also comprise in the liquid crystal display production run: data storage device is used to store the process data after the described parsing.
Preferably, being used for the auxiliary device that carries out statistical Process Control in the liquid crystal display production run also comprises: the production management device, be used for described one or more equipment are managed, wherein, described deriving means obtains the process data of described one or more equipment by this production management device.Preferably, described production management device is a manufacturing execution system.
According to another aspect of the present invention, also provide a kind of statistical process control system that is used for the liquid crystal display production run, comprising: one or more equipment are used for liquid crystal display production, and process data are provided; The statistical Process Control device is used to receive the process data after the described parsing, and finishes statistical Process Control; And aforesaidly be used for the auxiliary device that carries out statistical Process Control.
The provided by the present invention solution in the auxiliary method of carrying out statistical Process Control of liquid crystal display production run and corresponding device thereof can't be by the statistical Process Control device to all or part of problem of monitoring in real time of liquid crystal display production run in the prior art, realized real-time SPC analysis to the important technical parameter of whole production line equipment, can note abnormalities in time, prevent bad generation.The present invention has more solved the high problem of inefficiency, error rate to the manual input of statistical Process Control device data, has improved the precision and the work efficiency of data.
Description of drawings
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 has described the auxiliary process flow diagram that carries out the method for statistical study process control that is used for according to the first embodiment of the present invention;
Fig. 2 has described the process flow diagram that is used for assisting the method for carrying out the statistical study process control according to a second embodiment of the present invention;
Fig. 3 described according to a second embodiment of the present invention described process data resolved and obtains to resolve after the process flow diagram of step of process data;
The part process data to after selecting that Fig. 4 has described a third embodiment in accordance with the invention carries out pretreated process flow diagram;
Fig. 5 has described the auxiliary structural representation that carries out the device of statistical Process Control that is used for according to the first embodiment of the present invention;
Fig. 6 has described the structural representation that is used for assisting the device that carries out statistical Process Control according to a second embodiment of the present invention;
Fig. 7 has described the structural representation of first resolver according to a second embodiment of the present invention;
Fig. 8 has described the structural representation of first resolver of a fourth embodiment in accordance with the invention;
Fig. 9 has described the structural representation of the pretreatment unit of a third embodiment in accordance with the invention;
Figure 10 has described the structural representation of pretreatment unit according to a fifth embodiment of the invention;
Figure 11 has described the synoptic diagram that according to a second embodiment of the present invention first resolver is used for the pre-defined rule that process adopted that process data is resolved; And
Figure 12 has described the composition synoptic diagram of the statistical process control system that is used for the liquid crystal display production run according to a sixth embodiment of the invention.
Embodiment
With reference to figure 1, it has described the process flow diagram that is used for assisting the method for carrying out the statistical study process control in the liquid crystal display production run according to the first embodiment of the present invention.At first, execution in step S11 ' obtains the process data of one or more process equipments in the described production run; Enter step S12 ' then, described process data is resolved, the process data after obtaining to resolve; Execution in step S13 sends to the statistical Process Control device with the process data after the described parsing again; Last execution in step S14 is saved to data storage device with the process data after the described parsing.
With reference to figure 2, it has described the process flow diagram that is used for assisting the method for carrying out the statistical study process control in the liquid crystal display production run according to a second embodiment of the present invention.At first execution in step S11 obtains the process data from the different-format of a plurality of equipment; Execution in step S12 resolves described process data according to pre-defined rule then, the process data after obtaining to resolve; Last execution in step S13 sends to the statistical Process Control device with the process data after the described parsing.
Those skilled in the art understand, in second embodiment shown in Figure 2, not only obtain process data among the described step S11 from a plurality of equipment, and be different from the data layout of the data that this a plurality of equipment obtained, for example the data obtained of slave unit 1 place are decimal-coded forms, and the data that slave unit 2 places obtain then are the forms of hexadecimal code etc.Those skilled in the art understand, in the variation example of second embodiment, described different-format can have different realizations, for example changes in the example at one, described part process data occurs with cipher mode, and the remainder process data then is not encrypt.Further, to also be appreciated that among the embodiment that set forth from behind, change in the example at some, because equipment component can comprise that a plurality ofs' machine (it will be appreciated by those skilled in the art that, number machine refers to the numbering of many machines of the identical function of certain equipment, for example section difference sensing equipment (DAN) has machine many numbers, be respectively: DAN001, DAN002, DAN003 etc.), and the form of the process data that is obtained from each number machine can be different, thereby cause also can obtaining in the equipment process data of different-format.Because those skilled in the art are appreciated that this and implement, do not give unnecessary details at this.
With reference to figure 2, in step S12, carry out the dissection process process according to pre-defined rule.In different embodiment, described pre-defined rule can have different realizations.Fig. 3, Fig. 4 have described different embodiment respectively, do not repeat them here.
Again with reference to figure 1, Fig. 2, the acquisition process in the step S11 of the step S11 ' of Fig. 1 and Fig. 2 can be achieved in several ways.For example, can finish a procedure or self process data sent out in certain operation the term of execution by each equipment, also can after a plurality of equipment with correlativity are all finished certain procedure, initiatively read the process data of these relevant devices, not repeat them here by a terminal.
With reference to figure 1, Fig. 2, in step S13, the process data after the described parsing is sent to the statistical Process Control device again.Those skilled in the art understand, this statistical Process Control device can be statistical Process Control of the prior art (SPC) software, it is not changed in one embodiment and just can directly carry out the statistical Process Control relevant treatment the process data after the parsing that sends through present embodiment, for example following shown in Figure 12; Change in the example at another,, then also can carry out corresponding modification, do not give unnecessary details at this to described statistical Process Control (SPC) software then in order to match with method and apparatus provided by the invention better.
With reference to figure 3, its described according to a second embodiment of the present invention described process data resolved and obtains to resolve after the process flow diagram of step of process data.At first, execution in step S121 selects described process data according to pre-defined rule, to obtain the part process data after selecting; Execution in step S122 carries out pre-service to described part process data after selecting then, to obtain through pretreated process data, with above-mentioned process data after pretreated process data is as described parsing.In the present embodiment, not only carried out and selected to handle, also carried out pretreatment operation, and in a variation example of present embodiment, then only selected to handle, no longer carried out other and handle operation.It will be appreciated by those skilled in the art that, in one embodiment, the described process data that is acquired may exist many data (to be referred to as text in the liquid crystal display production run, below be referred to as text), every text may comprise a plurality of data fields again, the content that comprises concrete process data in the different data fields, in such embodiments, do not need all process data contents are handled, so the corresponding content in partial data territory is wherein selected, again in such embodiments, described statistical Process Control device or other devices (program) can directly be handled these selecteed data, therefore selecting the processing back to handle the preprocessing process among for example described step S122 with regard to not needing to carry out again other.
With reference to figure 4, its part process data to after selecting of having described a third embodiment in accordance with the invention carries out pretreated process flow diagram.At first, execution in step S1221 is to the processing of sorting of described part process data after selecting; Then, execution in step S1222 is to the processing of classifying of described part process data after selecting; Then, execution in step S1223 calculates described part process data after selecting, and with result of calculation as the process data of process data after as described parsing; Enter step S1224 then, described part process data after selecting is carried out precision handle; Last execution in step S1225 carries out offset correction to described part process data after selecting and handles.
It will be appreciated by those skilled in the art that in above-mentioned steps S1221, handle by ordering, at least can so that the process data that exceeds standard value as by the process data of priority processing.In some cases, if some process data value of being above standard then shows next process if the words that continue directly to handle can cause goods bad, thereby cause producing the waste of material, so must carry out relevant treatment immediately, to guarantee before next process, correcting relevant mistake.For this reason, be necessary that the very first time handles these process datas, after the statistical Process Control device disposes to the process data of these values of being above standard, just can directly take relevant corrective action by manufacturing execution system, perhaps notification technique personnel or managerial personnel carry out relevant corrective action.
Those skilled in the art also understand, in above-mentioned steps S1222, handle by classification, can so that process data of different nature can be distinguished.For example, in a procedure, relate to multiple devices (charging appliance for example, washing/cleaning equipment, transport device, vacuum abutted equipment, unloading equipment), every equipment comprises that again (for example transport device comprises machine No. 1 to different number machines, No. 2 machines), and a few equipment wherein exist as a device cluster (for example washing/cleaning equipment and transport device are as a separate equipment group), in such operation, process data is sent out after whole operation is finished once, and the statistical Process Control device will be to a certain concrete equipment, or the process data of some concrete number machines is resolved, therefore, send to described statistical Process Control device after being necessary the process data of wherein concrete equipment or concrete machine classified.At this moment, the execution sort operation can be realized the differentiation to distinct device, number machine data.Moreover, changing in the example at some, may be several skinny devices group with a large equipment heap sort also, and the related process data with the skinny device group are sent to described statistical Process Control device then.And change in the example at another, both comprised the data of having passed through data processing in the described text, for example the part statistics also comprises raw data, also is necessary in such embodiments these data are classified.It will be appreciated by those skilled in the art that these sort operations can be achieved by the mode of selecting process data and selecteed process data is arranged according to certain rule at least, do not repeat them here.
Those skilled in the art also understand, and in above-mentioned steps S1223, by computing, can obtain the needed process data of described statistical Process Control device.In one embodiment, a parameter that in a text, has twice mensuration, for example " big dust number ", " middle dust number " etc., and the data of described statistical Process Control device institute actual analysis are the poor of twice location parameter value, therefore will carry out one time subtraction in such embodiments.Similarly, those skilled in the art can realize other calculating operations, for example in some light fixture, can produce illumination value at different positions, therefore, the a plurality of illumination values that in a text, comprise a moment light fixture at least, and the statistical Process Control device once can only be analyzed an illumination value, in order to make analysis to the general lighting situation of these a plurality of positions illuminations, so in fact the statistical Process Control device needs the mean value of these a plurality of illumination values is analyzed, keep simultaneously and respectively throw light on numerical value so that the lighting condition of each position is checked separately, at this moment, need carry out the calculating operation of averaging to these a plurality of illumination values.
Those skilled in the art also understand, and in above-mentioned steps S1224, handle by precision, can be so that process data meets the desired precision of described statistic processes analytical equipment.In one embodiment, the desired precision of described statistical Process Control device is lower than the accuracy value of the process data that gets access to by equipment, if influence efficient on the one hand and carry out precision control by the statistical Process Control device, can not meet production requirement on the other hand, for example in an operation, require if behind the radix point the 5th numerical value greater than 1 all behind radix point the 4th go into 1 (for example 0.02783 should accurately be 0.0279 rather than 0.0278), at this moment, just can handle this demand that realizes of operating by carrying out described precision.Handle about precision, those skilled in the art can also implement to need to realize different embodiment, not repeat them here in conjunction with other.
Those skilled in the art also understand, and in above-mentioned steps S1225, handle by offset correction, can be so that exist the process data of deviation to be corrected.In one embodiment, owing to the reason of equipment self is bigger than normal than actual numerical value all the time at the process data that automatic wire spoke determinator (SEN) is obtained, and learnt that according to the experience of production practices the deviate of existence is 50, therefore, deducting 50 on the process data that is obtained just can be so that the process data that is obtained be corrected to accurate numerical value.Similarly, those skilled in the art can also implement to need to realize the different embodiment that offset correction is handled that carries out, not repeat them here in conjunction with other.
Those skilled in the art understand, also exist about described pretreated embodiment on the one hand, above-mentioned on the other hand concrete pretreatment operation shown in Figure 4 also can be carried out different combinations, for example can include only step S1221 and step S1223 in pretreatment operation described in the variation example, and can comprise step S1223, S1224 and step S1225 in pretreatment operation described in another variation example, those skilled in the art understand this, do not repeat them here.
With reference to figure 5, it has described the auxiliary structural representation that carries out the device of statistical Process Control that is used for according to the first embodiment of the present invention.In the present embodiment, described be used for the auxiliary device 3 that carries out statistical Process Control ' comprise deriving means 31, resolver 32 ', transmitting device 33 and data storage device 34.Described resolver 32 ' be connected with described deriving means 31, described transmitting device 33 and described data storage device 34 respectively.Wherein, described deriving means 31 is used for obtaining the process data of the one or more process equipments of described production run; Described resolver 32 ' be used for described process data is resolved, the process data after obtaining to resolve; Described transmitting device 33 is used for the process data after the described parsing is sent to the statistical Process Control device; Described data storage device 34 is used to store the process data after the described parsing.
It will be appreciated by those skilled in the art that in the present embodiment above-mentioned data storage device 34 is databases.Since the process data of institute after resolving all (when the processing that only elects) or partly (when partial data is carried out pre-service) belong to the firsthand data, so be necessary these data are preserved so that future the query history record.And change in the example at one, also can the process data before resolving be stored, promptly the whole process datas that obtained are directly stored.In the present embodiment, described data storage device 34 be this be used for the auxiliary device 3 that carries out statistical Process Control ' a part, and change in the example at another, described data storage device 34 also can not belong to this device 3 ', for example, a part that belongs to manufacturing execution system of the prior art it will be appreciated by those skilled in the art that this does not influence flesh and blood of the present invention.
With reference to figure 6, it has described the structural representation that is used for assisting the device that carries out statistical Process Control according to a second embodiment of the present invention.In the present embodiment, describedly be used for the auxiliary device 3 that carries out statistical Process Control and do not comprise the data storage device 34 described in first embodiment; Simultaneously, described resolver 32 ' be embodied in first resolver 32, this first resolver 32 specifically is used for according to pre-defined rule described process data being resolved, the process data after obtaining to resolve.Those skilled in the art can be with reference to figure 5, embodiment illustrated in fig. 2ly understand present embodiment.
With reference to figure 7, it has described the structural representation of first resolver according to a second embodiment of the present invention.In the present embodiment, described first resolver 32 comprises second selecting arrangement 321 and pretreatment unit 322, and stream oriented device is connected.Wherein, described second selecting arrangement 321 is used for according to pre-defined rule described process data being selected, to obtain the part process data after selecting; Described pretreatment unit 322 is used for described part process data after selecting is carried out pre-service, obtaining through pretreated process data, and with above-mentioned process data after pretreated process data is as described parsing.
With reference to figure 8, it has described the structural representation of first resolver of a fourth embodiment in accordance with the invention.In the present embodiment, described first resolver 32 includes only first selecting arrangement, this device is used for according to pre-defined rule described process data being selected, to obtain the part process data after selecting, and with the process data of above-mentioned part process data after selecting after as described parsing, in such variation example, 32 of then described first resolvers carry out selection operation by first selecting arrangement, and do not carry out any other operation, for example do not hold the described pretreatment operation of 0 row.Those skilled in the art understand and can further understand present embodiment with reference to above-mentioned elaboration to Fig. 3.
With reference to figure 9, it has described the structural representation of the pretreatment unit of a third embodiment in accordance with the invention.In the present embodiment, described pretreatment unit 322 comprises ordering treating apparatus 3222, divides treating apparatus such as kind processing device 3223, calculation processing apparatus 3224, precision treating apparatus 3225, driven parallax correction setter 3226.Wherein, described ordering treating apparatus 3222 is used for processings of sorting of described part process data after selecting, so that the process data conduct that exceeds standard value is by the process data of priority processing; Described minute kind processing device 3223 is used for to the processing of classifying of described part process data after selecting, so that process data of different nature can be distinguished; Described calculation processing apparatus 3224 is used for described part process data after selecting is calculated, and with result of calculation as the process data of process data after as described parsing; Described precision treating apparatus 3225 is used for that described part process data after selecting is carried out precision to be handled, so that process data meets the desired precision of described statistic processes analytical equipment; Described driven parallax correction setter 3226 is used for that described part process data after selecting is carried out offset correction to be handled, so that exist the process data of deviation to be corrected.In the present embodiment, because described pretreatment unit 322 comprises a plurality for the treatment of apparatus, treating apparatus 3222 etc. for example sorts, and might not need to handle through all treating apparatus at a text, even need handle via all treating apparatus, also may there be different processing orders, in order to make that described each treating apparatus can be coordinated, also in order to make the function of each treating apparatus single relatively, so this pretreatment unit 322 also comprises a control device 3221 in the present embodiment, how it is specifically handled at described pretreatment unit 322 if being used for text of unified control, also coordinate the relation between all included treating apparatus of described pretreatment unit 322.But those skilled in the art understand, change in the example at one, also can not comprise described control device 3221, and judge whether voluntarily and need a text be handled accordingly by described each treating apparatus, this does not influence flesh and blood of the present invention, does not give unnecessary details at this.
With reference to figure 9, those skilled in the art can specifically understand present embodiment in conjunction with the elaboration of above-mentioned Fig. 4 again, and for example described pretreatment unit 322 can include only the section processes device in each treating apparatus shown in Figure 9 etc.For example, with reference to Figure 10, it has described the structural representation of pretreatment unit according to a fifth embodiment of the invention.In the present embodiment, described pretreatment unit 322 ' only comprise driven parallax correction setter 3226 ', and do not comprise other treating apparatus.It will be appreciated by those skilled in the art that in such embodiments, then described pretreatment unit 322 ' only carry out offset correction to handle, and do not carry out other pretreatment operation.
With reference to Figure 11, it has described the composition synoptic diagram that according to a second embodiment of the present invention first resolver is used for the pre-defined rule that process adopted that process data is resolved.In the present embodiment, described first resolver is resolved respectively described process data according to pre-defined rule, the process data after resolving with acquisition.Wherein, described in the present embodiment pre-defined rule comprises three parts at least: the rule of determining the specific format of the rule of particular device, the rule of determining the particular data territory and definite process data.Wherein, the rule of described definite particular device is mainly used in the process data determined from which particular device with selected; The rule in described definite particular data territory is mainly used in to be determined from the process data in which the particular data territory in the process data of above-mentioned particular device selected; The rule of the specific format of described definite process data mainly determines to meet the process data of which kind of specific format with selected.
With reference to Figure 11, in the present embodiment, the rule of described definite particular device can be achieved by first formatted file, for example determines the information of the equipment that need be handled by first resolver in first formatted file by following code:
/ * designated equipment kind */
TransCode ＝PRS_RBL
... ...
TransCode ＝PRS_TOK
/ * designated equipment machine */
EquipCode ＝RBL001
EquipCode ＝RBL002
... ...
EquipCode ＝TOK002
/ * designated equipment related definition */
SampleDate ＝RPT_DATE
ExtraLinkage ＝NOUSE
Similarly, in the present embodiment, the rule in described definite particular data territory can be achieved by second formatted file, for example determines the information of the data field that need be handled by first resolver in second formatted file by following code:
The data field * that/* appointment need be handled/
/ * SHE_RS_AVG represent " opposing mean value " */
2，RS_AVG，S，9，*SHE_RS_AVG，Ohm/Sq
2，C7，S，1
2，RS_MAX，S，9，*SHE_RS_MAX，Ohm/Sq
2，C8，S，1
2，RS_MIN，S，9，*SHE_RS_MIN，Ohm/Sq
2，C9，S，1
2，UNIF，S，9，*SHE_UNIF，Percent
Similarly, in the present embodiment, also can realize the rule of the specific format of described definite process data by the 3rd formatted file.About the enforcement of this rule, can be understood in conjunction with above-mentioned elaboration Fig. 1, do not give unnecessary details at this.
With reference to Figure 12, it has been described the statistical process control system that is used for the liquid crystal display production run according to a sixth embodiment of the invention and has formed synoptic diagram.In the present embodiment, described statistical process control system comprise some production equipments 41,42 ..., 4n, be used for auxiliary device 3 and the statistical Process Control device 7 that carries out statistical Process Control as above-mentioned Fig. 5 to Figure 11 is described.Wherein, described statistical Process Control device 7 is used for the actual statistical Process Control of finishing, described device 3 then carries out its process data that obtains from described equipment to submit to described statistical Process Control device 7 after the dissection process, thereby makes this device 7 to carry out real-time analysis to production run.These production equipments can be as the described equipment of the step S1222 of Fig. 4, every equipment can comprise some numbers machines 411 ..., 41m, wherein some equipment can be formed a device cluster (shown in the dotted line of inner ring among the figure) again.In the present embodiment, this device 3 does not directly obtain process data from this equipment, and by a production management device 5 these equipment is managed and read corresponding process data earlier, and described device 3 reads these process datas by this production management device 5 again.It will be appreciated by those skilled in the art that this production management device 5 can be the manufacturing execution system (MES) that often uses in the liquid crystal display process industry, also can be other management systems.And in a variation example of present embodiment, also can not have this production management device 5, and at this moment, described device 3 is directly from obtaining process data to equipment, and this does not influence flesh and blood of the present invention.
In the present embodiment, in the manufacturing actual production process of liquid crystal display, suppose to handle the goods of a batch unit (i.e. 1 Lot), this Lot contains 20 large stretch of glass screens, then this Lot is disposed or processing procedure in, the process data of this Lot (actual can be regarded as 1 text) is sent to said apparatus 3 by (by production management device 5), and 3 pairs of these texts of this device are resolved, and the process data after will resolving transfers to described statistical Process Control device 7.For example suppose that the data content at a glass screen is 4 data fields, the form of the process data of the Lot that then is transmitted in the present embodiment can be as shown in following:
Header D1D2D3D4 D1D2D3D4 ... D1D2D3D4
It will be appreciated by those skilled in the art that above-mentioned statistical Process Control device 7 can have multiple choices, for example can be the SPC software of German camLine company: Line WorksSPACE.
In the liquid crystal display production run, be used for auxiliary method and corresponding device thereof of carrying out statistical Process Control by provided by the invention, can be so that statistical Process Control device of the prior art be realized real-time monitoring, the analysis to the liquid crystal display production run, for example realize various analysis diagrams (for example Xbar-R control chart, Raw value (original value) figure, moving average figure, histogram etc.), also can realize multiple decision rule, thereby carry out trend analysis, can also realize the function of in time reporting to the police.Similarly, method and apparatus provided by the present invention also makes quality engineer or technician monitor, analyze all devices situation at production line scene in real time in office, and can obtain the making that process data carries out form.In a word, can reach the purpose of whole liquid crystal display production run being controlled, improved quality in real time by the present invention.
More than specific embodiments of the invention are described.It will be appreciated that the present invention is not limited to above-mentioned specific implementations, those skilled in the art can make various distortion or modification within the scope of the appended claims.
Claims (31)
1. one kind is used for auxiliary method of carrying out statistical Process Control in the liquid crystal display production run, wherein, comprises the steps:
A. obtain the process data of one or more process equipments in the described production run;
B. described process data is resolved the process data after obtaining to resolve;
C. the process data after the described parsing is sent to the statistical Process Control device.
2. method according to claim 1, wherein, described step b comprises:
-described process data is resolved the process data after obtaining to resolve according to pre-defined rule.
3. method according to claim 2, wherein, described step of described process data being resolved according to pre-defined rule comprises:
B1. according to pre-defined rule described process data is selected, obtaining the part process data after selecting, with the process data of above-mentioned part process data after selecting after as described parsing.
4. method according to claim 2, wherein, described step of described process data being resolved according to pre-defined rule comprises:
B1 '. according to pre-defined rule described process data is selected, to obtain the part process data after selecting;
B2 '. described part process data after selecting is carried out pre-service, to obtain through pretreated process data, with above-mentioned process data after pretreated process data is as described parsing.
5. method according to claim 4, wherein, described step b2 ' comprises the steps:
-to processings of sorting of described part process data after selecting, so that the process data conduct that exceeds standard value is by the process data of priority processing.
6. according to claim 4 or 5 described methods, wherein, described step b2 ' also comprises the steps:
-to the processing of classifying of described part process data after selecting, so that process data of different nature can be distinguished.
7. according to each described method in the claim 4 to 6, wherein, described step b2 ' also comprises the steps:
-described part process data after selecting is calculated, and with result of calculation as the process data of process data after as described parsing.
8. according to each described method in the claim 4 to 7, wherein, described step b2 ' also comprises the steps:
-described part process data after selecting is carried out precision handle, so that process data meets the desired precision of described statistic processes analytical equipment.
9. according to each described method in the claim 4 to 8, wherein, described step b2 ' also comprises the steps:
-described part process data after selecting is carried out offset correction handle, so that exist the process data of deviation to be corrected.
10. according to each described method in the claim 1 to 9, wherein, described step a comprises:
-obtain process data from the different-format of a plurality of equipment;
Wherein, described step b is: the process data of the different-format of described a plurality of equipment is resolved the process data after obtaining to resolve respectively according to pre-defined rule.
11. according to each described method in the claim 3 to 10, wherein, described pre-defined rule comprises:
-determine the rule of particular device, wherein, only from the process data of described particular device with selected.
12. method according to claim 11, wherein, described pre-defined rule also comprises:
-determine the rule in particular data territory, wherein, only from the process data in the described particular data territory in the process data of described particular device with selected.
13. according to each described method in the claim 10 to 12, wherein, described pre-defined rule also comprises:
-determine the rule of the specific format of process data, wherein, the process data that only meets described specific format is with selected.
14. according to each described method in the claim 1 to 13, wherein, described step c also comprises step:
-process data after the described parsing is saved to data storage device.
15. one kind is used for the auxiliary device that carries out statistical Process Control, wherein, comprises in the liquid crystal display production run:
Deriving means is used for obtaining the process data of the one or more process equipments of described production run;
Resolver is used for described process data is resolved, the process data after obtaining to resolve; And
Transmitting device is used for the process data after the described parsing is sent to the statistical Process Control device.
16. device according to claim 15, wherein, described resolver also comprises:
First resolver is used for according to pre-defined rule described process data being resolved, the process data after obtaining to resolve.
17. device according to claim 16, wherein, described first resolver comprises:
First selecting arrangement is used for according to pre-defined rule described process data being selected, obtaining the part process data after selecting, and with the process data of above-mentioned part process data after selecting after as described parsing.
18. device according to claim 16, wherein, described first resolver comprises:
Second selecting arrangement is used for according to pre-defined rule described process data being selected, to obtain the part process data after selecting; And
Pretreatment unit is used for described part process data after selecting is carried out pre-service, obtaining through pretreated process data, and with above-mentioned process data after pretreated process data is as described parsing.
19. device according to claim 18, wherein, described pretreatment unit comprises:
The ordering treating apparatus is used for processings of sorting of described part process data after selecting, so that the process data conduct that exceeds standard value is by the process data of priority processing;
20. according to claim 18 or 19 described devices, wherein, described pretreatment unit also comprises:
Divide kind processing device, be used for to the processing of classifying of described part process data after selecting, so that process data of different nature can be distinguished.
21. according to each described device in the claim 18 to 20, wherein, described pretreatment unit also comprises:
Calculation processing apparatus is used for described part process data after selecting is calculated, and with result of calculation as the process data of process data after as described parsing.
22. according to each described device in claim 18 or 21, wherein, described pretreatment unit also comprises:
The precision treating apparatus is used for that described part process data after selecting is carried out precision and handles, so that process data meets the desired precision of described statistic processes analytical equipment.
23. according to each described device in the claim 18 to 22, wherein, the treating apparatus that is set forth in also comprises:
Driven parallax correction setter is used for that described part process data after selecting is carried out offset correction and handles, so that exist the process data of deviation to be corrected.
24. according to each described device in the claim 15 to 23, wherein, described deriving means also is used to obtain the process data from the different-format of a plurality of equipment, wherein, described first resolver also is used for according to pre-defined rule the process data of the different-format of the described distinct device that meets this pre-defined rule being resolved respectively, the process data after obtaining to resolve.
25. according to each described device in the claim 16 to 24, wherein, described pre-defined rule comprises:
-determine the rule of particular device, wherein, only from the process data of described particular device with selected.
26. device according to claim 25, wherein, described pre-defined rule also comprises:
-determine the rule in particular data territory, wherein, only from the process data in the described particular data territory in the process data of described particular device with selected.
27. according to each described device in the claim 24 to 26, wherein, described pre-defined rule also comprises:
-determine the rule of the specific format of process data, wherein, the process data that only meets described specific format is with selected.
28., wherein, also comprise according to each described device in the claim 15 to 27:
Data storage device is used to store the process data after the described parsing.
29., wherein, also comprise according to each described device in the claim 15 to 28:
The production management device is used for described one or more equipment are managed;
Wherein, described deriving means obtains the process data of described one or more equipment by this production management device.
30. device according to claim 29, wherein, described production management device is a manufacturing execution system.
31. a statistical process control system that is used for the liquid crystal display production run wherein, comprises
One or more equipment are used for liquid crystal display production, and process data is provided;
The statistical Process Control device is used to receive the process data after the described parsing, and finishes statistical Process Control;
Wherein, also comprise as each describedly is used for the auxiliary device that carries out statistical Process Control in the claim 15 to 30.
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| CNA2006101189586A CN101191932A (en) | 2006-11-30 | 2006-11-30 | Method and device for auxiliarily proceeding statistic process control in Liquid crystal screen production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102456083A (en) * | 2010-10-20 | 2012-05-16 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Process data analyzing method and system |
| CN103488135A (en) * | 2013-08-14 | 2014-01-01 | 沈阳中科博微自动化技术有限公司 | Statistical process control method used for semiconductor manufacturing process monitoring |
| CN103744367A (en) * | 2013-12-20 | 2014-04-23 | 武汉钢铁(集团)公司 | Production-line actual-performance information processing method, device and system |
| CN109375604A (en) * | 2018-12-11 | 2019-02-22 | 华经信息技术(上海)有限公司 | A kind of real-time quality early warning and control system and method |
| CN110658770A (en) * | 2019-10-22 | 2020-01-07 | 深圳市芝麻自动化科技有限公司 | SAP manufacturing execution system data processing interface driving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102456083A (en) * | 2010-10-20 | 2012-05-16 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Process data analyzing method and system |
| CN102456083B (en) * | 2010-10-20 | 2013-10-30 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Process data analyzing method and system |
| CN103488135A (en) * | 2013-08-14 | 2014-01-01 | 沈阳中科博微自动化技术有限公司 | Statistical process control method used for semiconductor manufacturing process monitoring |
| CN103488135B (en) * | 2013-08-14 | 2015-11-04 | 沈阳中科博微自动化技术有限公司 | A kind of statistical process control method for semiconductor production machining process monitoring |
| CN103744367A (en) * | 2013-12-20 | 2014-04-23 | 武汉钢铁(集团)公司 | Production-line actual-performance information processing method, device and system |
| CN109375604A (en) * | 2018-12-11 | 2019-02-22 | 华经信息技术(上海)有限公司 | A kind of real-time quality early warning and control system and method |
| CN110658770A (en) * | 2019-10-22 | 2020-01-07 | 深圳市芝麻自动化科技有限公司 | SAP manufacturing execution system data processing interface driving method |
| CN113253499A (en) * | 2021-06-18 | 2021-08-13 | 深圳市泰科盛自动化系统有限公司 | Liquid crystal screen self-adjusting assembly system based on liquid crystal screen detection |
| CN113253499B (en) * | 2021-06-18 | 2021-09-28 | 深圳市泰科盛自动化系统有限公司 | Liquid crystal screen self-adjusting assembly system based on liquid crystal screen detection |
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