KR101966288B1 - Manufacturing system for polarizing plate and Method for manufacturing polarizing plate using the same - Google Patents

Manufacturing system for polarizing plate and Method for manufacturing polarizing plate using the same Download PDF

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Publication number
KR101966288B1
KR101966288B1 KR1020150105129A KR20150105129A KR101966288B1 KR 101966288 B1 KR101966288 B1 KR 101966288B1 KR 1020150105129 A KR1020150105129 A KR 1020150105129A KR 20150105129 A KR20150105129 A KR 20150105129A KR 101966288 B1 KR101966288 B1 KR 101966288B1
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KR
South Korea
Prior art keywords
unit
polarizing plate
cutting
polarizers
defective
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KR1020150105129A
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Korean (ko)
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KR20170011816A (en
Inventor
김경식
박슬기
임범승
조경호
최윤석
김주상
양도원
이석재
장응진
Original Assignee
주식회사 엘지화학
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Priority to KR1020150105129A priority Critical patent/KR101966288B1/en
Publication of KR20170011816A publication Critical patent/KR20170011816A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • 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
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Polarising Elements (AREA)

Abstract

A polarizing plate manufacturing system according to an embodiment of the present invention includes a supply unit for supplying a polarizing plate fabric; A cutting unit for cutting the supplied polarizer plate; An inspection unit for inspecting whether or not a defective mark is displayed in advance on the unit polarizing plate obtained by the polarizing plate fabric or cutting and the position of the defective mark; And a transfer member selectively transferring a plurality of unit polarizers formed by the cutting according to the presence or absence of a bad mark.

Description

[0001] The present invention relates to a polarizing plate manufacturing system and a polarizing plate manufacturing method using the polarizing plate manufacturing method.

The present invention relates to a polarizing plate manufacturing system and a polarizing plate manufacturing method using the polarizing plate manufacturing system, and more particularly, to a polarizing plate manufacturing system and a polarizing plate manufacturing method using the polarizing plate manufacturing system and the polarizing plate manufacturing system.

1 showing a conventional polarizer manufacturing process, a conventional polarizer manufacturing process includes (1) a step of supplying a polarizer plate showing a defective position, (2) a cutting step, (3) a chamfering step, (4) (5) packaging and shipping stages.

The process of cutting the polarizer plate into individual polarizer plates is shown in detail in FIG. Referring to FIG. 2, in the conventional polarizing plate cutting process, one stripe is performed every one pitch in the fabric advancing direction, so that 1 to 6 pieces (in the case of a polarizing plate used for a TV product) A sheet of polarizer is produced in the amount of 200 sheets (for mobile products).

On the other hand, after the cutting process for the polarizer plate is completed, the chamfering process is performed and a good product sorting operation is performed. Such a good sorting operation is carried out by a process in which the polarizing plate is stacked (generally, it is generally made to be stacked in a range of 20 to 50 layers) after the cutting process in units of one pitch, and is then passed through the naked eye of the operator, (Indicated by a check made prior to the supply of the polarizer plate).

However, in the conventional cutting method, there is no position division loading function considering a bad mark existing on the polarizer plate fabric, and a separate good selection operation is required after the cutting, so that productivity is lowered due to duplication of work Lt; / RTI >

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a polarizing plate manufacturing system capable of carrying out a screening operation of a good product / a defective product after a cutting process and loading the polarizing plate having a bad mark, The purpose is to provide.

It is to be understood, however, that the technical scope of the present invention is not limited to the above-mentioned problems, and other technical subjects not mentioned above can be understood by those skilled in the art from the description of the invention described below.

According to an aspect of the present invention, there is provided a polarizer manufacturing system including: a supply unit for supplying a polarizer plate; A cutting unit for cutting the supplied polarizer plate; An inspection unit for inspecting whether or not a defective mark is displayed in advance on the unit polarizing plate obtained by the polarizing plate fabric or cutting and the position of the defective mark; And a transfer member selectively transferring a plurality of unit polarizers formed by the cutting according to the presence or absence of a bad mark.

The cutting unit may cut the supplied polarizer plate into a plurality of unit polarizers having a unit size per pitch.

The cutting unit may cut the polarizing plate fabric so that a plurality of unit polarizing plates forming m rows / n columns are included per pitch.

The inspection unit may generate information on the position of the bad mark in the form of [row / column].

The transfer member may transfer a part or all of the unit polarizers located on the same line among the cut unit polarizers in a group.

The spacer can be divided into a group including a unit polarizing plate in which a defective mark is present and a group including only a unit polarizing plate absent a defective marking.

The polarizing plate manufacturing system may further include a chamfered portion for performing a chamfering process on a good product in which no bad mark is present among the selectively polarized unit polarized plates.

The polarizing plate manufacturing system may further include a shipment unit for shipment of the unit polarizing plates through the chamfering process.

According to another aspect of the present invention, there is provided a method of manufacturing a polarizer, including: supplying a polarizer plate; A cutting step of cutting the supplied polarizing plate fabric into a plurality of unit polarizing plates; An inspection step of inspecting whether or not a defective mark previously displayed on the polarizer fabric exists and the position of the defective mark; And a transfer step for performing selective transfer according to the inspection result.

The cutting step may be a step of cutting the supplied polarizer plate into a plurality of unit polarizers having a unit size per pitch.

The cutting step may be a step of cutting the polarizing plate fabric so that a plurality of unit polarizing plates constituting m rows / n columns are included per pitch.

The inspecting step may include generating information on the position of the bad mark in the form of [row / column].

The transferring step may be a step of transferring a part or all of the unit polarizers located on the same line among the unit polarizers cut in a group.

The transferring step may be a step of distinguishing and transferring a group including a unit polarizing plate in which a defective marking is present and a group including only a unit polarizing plate in which a defective marking is absent.

The polarizing plate manufacturing method may further include a chamfering step of chamfering a good product having no bad markers among the selectively polarized unit polarizing plates.

The polarizing plate manufacturing method may further include a shipping step of packaging and shipping the unit polarizing plates through the chamfering step.

According to an aspect of the present invention, it is possible to integrate the cutting process of the polarizer plate and the good / defective product selection process, thereby improving the productivity of the product.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate preferred embodiments of the invention and, together with the description of the invention given below, serve to further the understanding of the technical idea of the invention. And should not be construed as limiting.
1 is a process diagram showing a conventional polarizing plate manufacturing process.
2 is a conceptual diagram specifically showing a cutting and stacking method in a conventional polarizing plate manufacturing process.
3 is a block diagram showing a configuration of a polarizing plate manufacturing system according to an embodiment of the present invention.
4 and 5 are conceptual diagrams showing a selective transfer process using a polarizing plate manufacturing system according to an embodiment of the present invention.
6 is a process diagram showing a polarizing plate manufacturing method according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only some of the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

First, the configuration of a polarizing plate manufacturing system according to an embodiment of the present invention will be described with reference to FIG.

3 is a block diagram showing a configuration of a polarizing plate manufacturing system according to an embodiment of the present invention.

Referring to FIG. 3, a polarizing plate manufacturing system according to an embodiment of the present invention includes a supply unit 1, a cutting unit 2, an inspection unit 3, and a transfer unit 4.

The supplying unit 1 supplies a polarizing plate raw material, and the polarizing plate raw material supplied here is inspected in advance for defective inspection, and supply is performed in a state where a defective mark is displayed at a position where defective is present.

The cutter 2 cuts the supplied polarizer plate and cuts the supplied polarizer plate into a plurality of unit polarizers having a unit size per pitch set in a predetermined length range. The plurality of unit polarizers form a matrix in which m rows and n columns (m and n are natural numbers) within one pitch of the polarizing plate fabric.

The specific cutting method performed by the cutting unit 2 will be described later in more detail with reference to FIGS. 4 and 5. FIG.

The inspection unit 3 examines whether or not a defective mark is displayed in advance on the unit polarizing plate obtained by the polarizing plate original or cut and the position of the defective mark. If there is a defective mark in the inspection result, Information in the form of [row / column].

Specific examples of storing information on the position of such bad markers in the form of [row / column] will be described later in detail with reference to FIG. 4 and FIG.

The transfer member 4 selectively transfers and loads a plurality of unit polarizers formed by cutting according to the presence or absence of defective markers. More specifically, the unit polarizers 4, which are disposed on the same line among the cut unit polarizers, Or a part or all of them are grouped into a group.

That is, it is possible to shorten the time required for transferring the plurality of unit polarizers by transporting and stacking a plurality of unit polarizers in a group, not by individually transporting and stacking the plurality of unit polarizers, thereby contributing to productivity improvement You can.

In addition, the transfer material 4 is transferred / stacked on a group-by-group basis as described above, and a group including a unit polarizing palm in which a defective mark is present and a group including only a unit polarizing plate in which a defective mark does not exist are distinguished To perform transport / loading.

A concrete example of the transfer method of the transfer member 4 will be described later in detail with reference to FIG. 4 and FIG.

Meanwhile, the polarizing plate manufacturing system according to the embodiment of the present invention is characterized in that the polarizing plate manufacturing system according to the present invention is characterized in that, in addition to the feeding unit 1, the cutting unit 2, the inspection unit 3 and the transferring unit 4, (Not shown) for performing a chamfering process on a good product in which no label is present, and / or a shipment unit for packing and shipping the unit polarizing plates through the chamfering process.

Next, with reference to FIG. 3 and FIG. 4 and FIG. 5, a selective transfer process using the polarizing plate manufacturing system according to an embodiment of the present invention will be described in more detail.

4 and 5 are conceptual diagrams showing a selective transfer process using a polarizing plate manufacturing system according to an embodiment of the present invention.

Referring to FIG. 4 together with FIG. 4, the cutting unit 2 of the polarizing plate manufacturing system according to an embodiment of the present invention is formed by cutting a polarizer plate in the form of a 5 × 14 matrix so that 70 unit polarizer plates are produced within one pitch do.

In this example of the cutting, the bad markings indicated by circles exist on the unit polarizing plate positioned in the third row / sixth column, and also exist over the third row / 10 column and the third row / 11 column.

In this case, the inspection unit 3 generates positional information of the bad mark in such a [row / column] form, and the bad member 4 performs selection based on the bad mark position information of the [row / It is possible to carry out the full transfer / loading.

That is, the transfer member 4 is transported and loaded onto the good line for the unit polarizing plate groups located in the first row, second row, fourth row and fifth row in which no bad mark is present, For the unit polarizer group, it is transferred to the defective line and loaded.

In addition, the checking unit 3 may include a memory for storing positional information of the bad markers generated in the [row / column] form, and the positional information of the bad markers stored in the memory Thereafter, it is possible to easily select which of the unit polarizers loaded on the defective line is defective.

Of course, the memory may not be provided in the inspection unit 3 but may exist as a separate component.

On the other hand, in the matrix formed by the cutting, if the number of [heat] is too large and it is difficult to transfer / stack unit polarizers located in the same column as one group at a time, May be divided into two or more groups and transported / stacked.

However, when the number of the unit polarizing plates constituting one row is not large and it is not difficult to transfer / stack the units at once, as shown in FIG. 5, the unit polarizing plates forming the same row may be bundled into one group and transferred / .

As described above, in the polarizing plate manufacturing system according to an embodiment of the present invention, a plurality of unit polarizing plates obtained by cutting are grouped and transported / stacked in units of lines, and information about positions where defects exist is [row / column] And the productivity can be improved by transferring / dividing into groups in which defects exist and groups in which defects do not exist.

Hereinafter, a polarizing plate manufacturing method according to an embodiment of the present invention will be described with reference to FIG.

6 is a process diagram showing a polarizing plate manufacturing method according to an embodiment of the present invention.

Referring to FIG. 6, a polarizing plate manufacturing method according to an embodiment of the present invention includes: supplying a polarizing plate fabric; A cutting step of cutting the supplied polarizing plate fabric into a plurality of unit polarizing plates; An inspection step of inspecting whether or not a defective mark previously displayed on the polarizer fabric exists and the position of the defective mark; And a transfer step for performing selective transfer according to the inspection result.

The cutting step may be a step of cutting the supplied polarizer plate into a plurality of unit polarizers having a unit size per pitch and cutting the polarizer plate so that a plurality of unit polarizers constituting m rows and n columns are included every pitch .

The inspecting step includes generating information on the position of the bad mark in the form of [row / column].

Wherein the transferring step comprises transferring a part or all of the unit polarizing plates located on the same line among the unit polarizing plates cut out as a group and grouping them into a group including a unit polarizing plate in which a defective marking is present, And a group consisting of only a unit polarizing plate in which no mark is present.

Meanwhile, although not shown in the drawing, the polarizing plate manufacturing method according to an embodiment of the present invention may include a chamfering step of performing a chamfering process on favorable products in which defective markers do not exist among selectively polarized unit polarizing plates, and / And a shipping step of packaging and shipping the unit polarizing plates through the chamfering process.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not to be limited to the details thereof and that various changes and modifications will be apparent to those skilled in the art. And various modifications and variations are possible within the scope of the appended claims.

10:
20:
30: Inspector
40:

Claims (16)

A supply unit for supplying the polarizer plate;
A cutting unit for cutting the supplied polarizer plate;
An inspection unit for inspecting whether or not a defective mark is displayed in advance on the unit polarizing plate obtained by the polarizing plate fabric or cutting and the position of the defective mark; And
A plurality of unit polarizers formed by the cutting, and selectively transferring the plurality of unit polarizers in accordance with the presence or absence of a bad mark;
/ RTI >
Wherein the inspection unit generates information on the position of the bad mark in the form of [row / column]. The method according to claim 1,
The cutting unit
Wherein the supplied polarizer plate is cut into a plurality of unit polarizers each having a unit size per pitch. 3. The method of claim 2,
The cutting unit
Wherein the polarizing plate fabric is cut so that a plurality of unit polarizing plates constituting m rows / n columns are included per pitch. delete The method according to claim 1,
[0027]
And a part or all of the unit polarizers located on the same line among the cut unit polarizers are grouped into a group. 6. The method of claim 5,
[0027]
Wherein the group comprising only the unit polarizers having defective markers and the unit polarizers having no defective markers are distinguished from each other and transferred. The method according to claim 1,
The polarizing plate manufacturing system includes:
Further comprising a chamfered portion for performing a chamfering process on a good product in which no bad mark is present among the selectively polarized unit polarized plates. 8. The method of claim 7,
The polarizing plate manufacturing system includes:
And a shipment unit for shipment of the unit polarization plates through the chamfering process. A supply step of supplying a polarizer fabric;
A cutting step of cutting the supplied polarizing plate fabric into a plurality of unit polarizing plates;
An inspection step of inspecting whether or not a defective mark previously displayed on the polarizer fabric exists and the position of the defective mark; And
Lee, Jae - hee;
/ RTI >
Wherein the inspecting step includes the step of generating information on the position of the bad mark in the form of [row / column]. 10. The method of claim 9,
The cutting step comprises:
And cutting the supplied polarizer plate into a plurality of unit polarizers each having a unit size per pitch. 11. The method of claim 10,
The cutting step comprises:
Wherein the polarizing plate is cut so that a plurality of unit polarizing plates constituting m rows / n columns are included per pitch. delete 10. The method of claim 9,
In the transfer step,
And separating a part or all of the unit polarizers located on the same line among the cut unit polarizers into a group. 14. The method of claim 13,
In the transfer step,
Wherein the group comprising only a unit polarizing plate in which a defective mark is present and the unit polarizing plate in which a defective mark does not exist are distinguished from each other and transferred. 10. The method of claim 9,
The polarizing plate manufacturing method includes:
And a chamfering step of performing a chamfering process on good products in which none of the selectively polarized unit polarizing plates is present. 16. The method of claim 15,
The polarizing plate manufacturing method includes:
Further comprising the step of packaging and shipping the unit polarizing plates that have undergone the chamfering process.
KR1020150105129A 2015-07-24 2015-07-24 Manufacturing system for polarizing plate and Method for manufacturing polarizing plate using the same KR101966288B1 (en)

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KR1020150105129A KR101966288B1 (en) 2015-07-24 2015-07-24 Manufacturing system for polarizing plate and Method for manufacturing polarizing plate using the same

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Application Number Priority Date Filing Date Title
KR1020150105129A KR101966288B1 (en) 2015-07-24 2015-07-24 Manufacturing system for polarizing plate and Method for manufacturing polarizing plate using the same

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KR101966288B1 true KR101966288B1 (en) 2019-04-05

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257343A (en) 2010-06-11 2011-12-22 Asahi Kasei E-Materials Corp Defect marker and method of marking defect for films

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101056105B1 (en) * 2009-01-20 2011-08-10 (주)알티에스 Classification device of electronic component inspector
KR101273170B1 (en) * 2009-06-02 2013-06-14 주식회사 엘지화학 method for fabricating polarizer
KR101249489B1 (en) * 2011-02-25 2013-04-01 (주)엔에스 Cutting apparatus
KR20150066773A (en) * 2013-12-09 2015-06-17 주식회사 엘지화학 Method for manufacturing a polarizing plate and Manufacturing system for polarizing plate applied for the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011257343A (en) 2010-06-11 2011-12-22 Asahi Kasei E-Materials Corp Defect marker and method of marking defect for films

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