TW201338945A - Optical film cutting device, optical film cutting method and recording medium - Google Patents
Optical film cutting device, optical film cutting method and recording medium Download PDFInfo
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- TW201338945A TW201338945A TW101148929A TW101148929A TW201338945A TW 201338945 A TW201338945 A TW 201338945A TW 101148929 A TW101148929 A TW 101148929A TW 101148929 A TW101148929 A TW 101148929A TW 201338945 A TW201338945 A TW 201338945A
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- optical film
- conveyance
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- cutting device
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- 239000012788 optical film Substances 0.000 title claims abstract description 220
- 238000005520 cutting process Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims description 17
- 238000003384 imaging method Methods 0.000 claims abstract description 29
- 230000032258 transport Effects 0.000 claims description 26
- 239000010408 film Substances 0.000 claims description 8
- 230000009049 secondary transport Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000009046 primary transport Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
- B26D5/30—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier
- B26D5/34—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed having the cutting member controlled by scanning a record carrier scanning being effected by a photosensitive device
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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
- G02B5/305—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 including organic materials, e.g. polymeric layers
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Handling Of Sheets (AREA)
Abstract
Description
本發明係關於一種光學薄膜切斷裝置、光學薄膜切斷方法及記錄媒體。 The present invention relates to an optical film cutting device, an optical film cutting method, and a recording medium.
先前習知貼合於液晶面板等基板之偏光薄膜、相位差薄膜等光學薄膜。該光學薄膜藉由將帶狀之光學薄膜切斷成指定長度而獲得。 Conventionally, an optical film such as a polarizing film or a retardation film which is bonded to a substrate such as a liquid crystal panel has been known. The optical film is obtained by cutting a strip-shaped optical film into a specified length.
例如專利文獻1，係從滾筒狀累積帶狀光學薄膜之卷紙滾筒捲出光學薄膜而搬運，在搬運路之下游側，藉由將光學薄膜切斷成指定長度，來製造單片光學薄膜。 For example, Patent Document 1 discloses that an optical film is taken up from a roll paper roll of a roll-shaped cumulative strip-shaped optical film, and a single-piece optical film is produced by cutting the optical film to a predetermined length on the downstream side of the conveyance path.
[專利文獻1]國際公開第2010/021026號手冊 [Patent Document 1] International Publication No. 2010/021026
上述專利文獻1所記載之光學薄膜的切斷技術，其光學薄膜之搬運路係由複數個搬運輥相連而構成。而後，藉由驅動複數個搬運輥分別具備之送料輥搬運光學薄膜。而後，在搬運路之下游側，光學薄膜藉由其送料輥搬運一定量，暫停而切斷後再度搬運。如此，專利文獻1係反覆進行光學薄膜之間歇搬運與切斷動作。 In the cutting technique of the optical film described in Patent Document 1, the transport path of the optical film is constituted by a plurality of transport rollers. Then, the optical film is conveyed by driving a feed roller provided separately from a plurality of conveyance rollers. Then, on the downstream side of the conveyance path, the optical film is conveyed by the feed roller by a predetermined amount, suspended, and then conveyed again. As described above, Patent Document 1 repeats the intermittent conveyance and cutting operation of the optical film.
再者，在搬運光學薄膜狀況中，送料輥與光學薄膜之間會發生滑動情況。該情況下，光學薄膜之輸送量會發生不足且變動。因而產生 切斷後之單片光學薄膜長度變動的瑕疵。 Further, in the case of transporting the optical film, slippage occurs between the feed roller and the optical film. In this case, the amount of transport of the optical film may be insufficient and fluctuating. Produced The enthalpy of the change in the length of the single optical film after cutting.
本發明係鑑於上述情況者，其主要技術性課題為提供一種可抑制光學薄膜之輸送量變動，可減少切斷後獲得之單片光學薄膜的長度變動之光學薄膜切斷裝置、光學薄膜切斷方法及記錄媒體。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an optical film cutting device and an optical film cutting method capable of suppressing variation in the amount of transport of an optical film and reducing variations in length of a single optical film obtained after cutting. And recording media.
本發明第一種樣態之光學薄膜切斷裝置具備：搬運部，其係將帶狀光學薄膜從第一位置搬運至第二位置；攝像部，其係拍攝前述光學薄膜之搬運路徑上的第三位置；控制部，其係從前述第一位置朝向前述第二位置，以一次輸送量程度，藉由前述搬運部搬運前述光學薄膜，藉由前述攝像部拍攝前述光學薄膜，並依據前述第二位置與前述攝像部拍攝之前述光學薄膜的位置，算出二次輸送量，將前述光學薄膜朝向前述第二位置，以前述二次輸送量程度藉由前述搬運部進一步搬運；及第一切斷部，其係在前述搬運路徑上之第四位置，切斷藉由前述搬運部以前述一次輸送量及前述二次輸送量程度所搬運之前述光學薄膜。 An optical film cutting device according to a first aspect of the present invention includes: a transporting unit that transports the strip-shaped optical film from the first position to the second position; and an imaging unit that captures the first path of the optical film a three-position control unit that images the optical film by the transport unit and the second optical film from the first position toward the second position by the transport unit, and the optical film is imaged by the imaging unit according to the second Positioning the position of the optical film captured by the imaging unit, calculating a secondary transport amount, and moving the optical film toward the second position, further transporting the transport unit by the secondary transport amount; and the first cut portion And the optical film conveyed by the conveyance unit by the first conveyance amount and the secondary conveyance amount at a fourth position on the conveyance path.
本發明之第一種樣態中，前述第三位置亦可在前述第一位置與前述第二位置之間。 In the first aspect of the invention, the third position may be between the first position and the second position.
本發明之第一種樣態中，前述第四位置亦可控制成與前述第二位置一致。 In the first aspect of the invention, the fourth position may be controlled to coincide with the second position.
本發明之第一種樣態中，前述第二位置與前述第三位置之距離亦可為1mm~5mm。 In the first aspect of the present invention, the distance between the second position and the third position may be 1 mm to 5 mm.
本發明之第一種樣態中，前述一次輸送量亦可為前述第一位置與前述第三位置間之距離。 In the first aspect of the present invention, the primary transport amount may be a distance between the first position and the third position.
本發明之第一種樣態中，前述二次輸送量亦可為前述第二位置與前述攝像部所拍攝之前述光學薄膜的位置之間的距離。 In the first aspect of the invention, the secondary transport amount may be a distance between the second position and a position of the optical film captured by the imaging unit.
本發明之第一種樣態中，前述控制部亦可使用前述光學薄膜在前述搬運部之搬運方向的前述光學薄膜前端，作為前述光學薄膜之位置。 In the first aspect of the invention, the control unit may use the optical film front end of the optical film in the conveyance direction of the conveyance unit as the position of the optical film.
本發明之第一種樣態中，前述第一切斷部亦可使用雷射切斷前述光學薄膜。 In the first aspect of the invention, the first cutting portion may cut the optical film by laser.
本發明之第一種樣態中，亦可進一步具備第二切斷部，其係 在第五位置切斷藉由前述搬運部以前述一次輸送量及前述二次輸送量程度所搬運之前述光學薄膜。 In the first aspect of the present invention, the second cutting portion may be further provided. The optical film conveyed by the conveyance unit by the first conveyance amount and the secondary conveyance amount is cut at the fifth position.
本發明之第一種樣態中，前述第五位置亦可在前述第一位置及前述第三位置之間。 In the first aspect of the present invention, the fifth position may be between the first position and the third position.
本發明之第一種樣態中，前述控制部亦可使前述第一切斷部與前述第二切斷部同時切斷前述光學薄膜。 In the first aspect of the invention, the control unit may simultaneously cut the optical film by the first cutting unit and the second cutting unit.
本發明之第一種樣態中，前述控制部亦可在前述搬運部以前述一次輸送量及二次輸送量程度搬運前述光學薄膜後，藉由前述攝像部拍攝前述光學薄膜。 In the first aspect of the present invention, the control unit may transmit the optical film by the imaging unit after the optical film is transported by the transport unit at a level of the primary transport amount and the secondary transport amount.
本發明之第一種樣態中，前述控制部亦可在前述第二位置與藉由前述攝像部拍攝之以前述一次輸送量及二次輸送量程度搬運的前述光學薄膜位置之距離，超過臨限值情況下，不藉由前述第一切斷部切斷前述光學薄膜。 In the first aspect of the present invention, the control unit may extend the distance between the second position and the position of the optical film conveyed by the image capturing unit by the first transfer amount and the secondary transfer amount. In the case of the limit, the optical film is not cut by the first cutting portion.
本發明第二種樣態之光學薄膜切斷方法，係從第一位置朝向第二位置，以一次輸送量程度搬運光學薄膜，拍攝前述一次輸送量程度所搬運之前述光學薄膜，依據前述第二位置與前述拍攝之前述光學薄膜的位置算出二次輸送量，將前述光學薄膜朝向前述第二位置，以前述二次輸送量程度進一步搬運，在前述搬運路徑上之第四位置，切斷以前述一次輸送量及前述二次輸送量程度所搬運之前述光學薄膜。 According to a second aspect of the present invention, in an optical film cutting method, the optical film is conveyed at a level of one-time conveyance from a first position toward a second position, and the optical film conveyed by the first conveyance amount is photographed according to the second The position and the position of the optical film captured as described above are calculated as a secondary conveyance amount, and the optical film is further conveyed toward the second position by the second conveyance amount, and is cut at the fourth position on the conveyance path. The optical film conveyed by the primary transport amount and the secondary transport amount.
本發明第三種樣態之記錄媒體，係記錄程式之電腦可讀取的記錄媒體，該程式係執行從第一位置朝向第二位置，以一次輸送量程度搬運光學薄膜，拍攝前述一次輸送量程度所搬運之前述光學薄膜，依據前述第二位置與前述拍攝之前述光學薄膜的位置算出二次輸送量，將前述光學薄膜朝向前述第二位置，以前述二次輸送量程度進一步搬運，在前述搬運路徑上之第四位置，切斷以前述一次輸送量及前述二次輸送量程度所搬運之前述光學薄膜者。 A recording medium according to a third aspect of the present invention is a computer-readable recording medium for recording a program, which executes the optical film from a first position toward a second position, and conveys the first delivery amount by a single delivery amount. The optical film conveyed to the extent is calculated based on the second position and the position of the optical film to be imaged, and the optical film is moved toward the second position and further conveyed by the secondary conveyance amount. At the fourth position on the conveyance path, the optical film conveyed by the primary conveyance amount and the secondary conveyance amount is cut.
本發明提供一種可抑制光學薄膜輸送量之變動，可減少切斷後獲得之單片光學薄膜的長度變動之光學薄膜切斷裝置、光學薄膜切斷方 法及記錄媒體。 The present invention provides an optical film cutting device and an optical film cutting device capable of suppressing variations in the amount of transport of an optical film and reducing variations in the length of a single optical film obtained after cutting. Law and recording media.
1‧‧‧切斷裝置 1‧‧‧cutting device
11‧‧‧卷紙滾筒 11‧‧‧Roller roller
11a‧‧‧卷軸 11a‧‧‧ reel
12‧‧‧搬運路 12‧‧‧Transportation
12A‧‧‧供給區域 12A‧‧‧Supply area
12B‧‧‧切斷區域 12B‧‧‧cut area
12C‧‧‧搬出區域 12C‧‧‧ Moving out of the area
21‧‧‧引導輥 21‧‧‧Guide Roller
22‧‧‧夾持輥 22‧‧‧Clamping roller
22A‧‧‧饋進輥 22A‧‧‧feeding roller
23‧‧‧浮動輥 23‧‧‧Floating roller
31‧‧‧第一切斷部 31‧‧‧The first cut-off
32‧‧‧第二切斷部 32‧‧‧Second cut section
33‧‧‧前端定位部 33‧‧‧Front Positioning Department
35‧‧‧吸著台 35‧‧‧ suction table
35a‧‧‧狹縫 35a‧‧‧slit
36‧‧‧雷射照射部 36‧‧‧Laser Illumination Department
37‧‧‧定位板 37‧‧‧ Positioning board
37a‧‧‧前端停止線 37a‧‧‧ front stop line
37b‧‧‧一次輸送到達點 37b‧‧‧One delivery arrival point
38‧‧‧張力輥 38‧‧‧ Tension roller
41、42‧‧‧搬運輸送機 41, 42‧‧‧Transport conveyor
43、44‧‧‧搬出輸送機 43, 44‧‧‧ moving out of the conveyor
51‧‧‧攝像手段 51‧‧‧Photography
60‧‧‧控制手段 60‧‧‧Control means
D‧‧‧箭頭 D‧‧‧ arrow
F‧‧‧光學薄膜 F‧‧‧Optical film
F1‧‧‧光學薄膜 F1‧‧‧ optical film
G‧‧‧距離 G‧‧‧Distance
L‧‧‧雷射光束 L‧‧‧Laser beam
第一圖係顯示本發明實施形態之光學薄膜的切斷裝置之側面模式圖。 The first drawing shows a side view of a cutting device for an optical film according to an embodiment of the present invention.
第二圖係顯示本發明實施形態之切斷裝置的切斷部之側面模式圖。 The second drawing shows a side view of a cutting portion of the cutting device according to the embodiment of the present invention.
第三圖係顯示藉由本發明實施形態之切斷裝置切斷帶狀光學薄膜的狀態圖。 The third drawing shows a state in which the strip-shaped optical film is cut by the cutting device according to the embodiment of the present invention.
第四圖係顯示以本發明實施形態之切斷裝置的攝像手段拍攝之前端定位部的平面圖。 Fig. 4 is a plan view showing a front end positioning portion taken by an image pickup means of the cutting device according to the embodiment of the present invention.
第五A圖係顯示藉由使用本發明實施形態之切斷裝置，切斷帶狀光學薄膜所獲得之單片光學薄膜的平均長度資料圖表。 Fig. 5A is a graph showing the average length of a single optical film obtained by cutting a strip-shaped optical film by using the cutting device of the embodiment of the present invention.
第五B圖係顯示藉由使用先前技術之切斷裝置，切斷帶狀光學薄膜所獲得之單片光學薄膜的平均長度資料圖表。 Fig. 5B is a graph showing the average length of a single optical film obtained by cutting a strip-shaped optical film by using a cutting device of the prior art.
以下，參照圖式說明本發明之實施形態，不過本發明並非限定於該實施形態者。另外，以下之全部圖式中，為了瞭解本實施形態，各構成要素之尺寸及比率等有適切改變。此外，以下之說明及圖式中，在同一或相當之要素上註記同一符號，並省略重複說明。 Hereinafter, embodiments of the present invention will be described with reference to the drawings, but the present invention is not limited to the embodiments. In addition, in the following drawings, in order to understand this embodiment, the size, ratio, and the like of each component are appropriately changed. In the following description and the drawings, the same or equivalent elements are denoted by the same reference numerals, and the repeated description is omitted.
[1]切斷裝置之構成 [1] The composition of the cutting device
第一圖係顯示本發明實施形態之光學薄膜的切斷裝置1之側面模式圖。切斷裝置1例如切斷貼合於液晶面板或有機EL面板等光學顯示面板之基板的偏光薄膜、相位差薄膜等光學薄膜F。另外，光學薄膜F並非特別限定者，只要是具有撓曲性之帶狀的功能性薄膜即可。 The first drawing shows a side view of a cutting device 1 for an optical film according to an embodiment of the present invention. The cutting device 1 cuts, for example, an optical film F such as a polarizing film or a retardation film which is bonded to a substrate of an optical display panel such as a liquid crystal panel or an organic EL panel. Further, the optical film F is not particularly limited as long as it is a flexible functional film having a band shape.
如第一圖所示，切斷裝置1將帶狀之光學薄膜F從卷紙滾筒11，在第一圖中右方向連續捲出，整體水平搬運。而後，切斷裝置1在配設於搬運路12下游側之切斷區域12B，切斷光學薄膜F成指定長度之單片後，搬出至搬出區域12C。 As shown in the first figure, the cutting device 1 continuously winds the strip-shaped optical film F from the winding drum 11 in the right direction in the first drawing, and conveys it horizontally as a whole. Then, the cutting device 1 is placed in the cutting region 12B on the downstream side of the conveyance path 12, and cuts the optical film F into a single piece of a predetermined length, and then carries it out to the carry-out area 12C.
沿著長度方向輸送光學薄膜F之搬運路12區分成供給區域12A、切斷區域12B及搬出區域12C。 The conveyance path 12 which conveys the optical film F along the longitudinal direction is divided into the supply region 12A, the cutting region 12B, and the carry-out region 12C.
供給區域12A從卷紙滾筒11供給光學薄膜F至切斷區域12B。切斷區域12B係供給區域12A後續之區域。 The supply region 12A supplies the optical film F from the paper roll roller 11 to the cut region 12B. The cut region 12B is a region subsequent to the supply region 12A.
切斷區域12B間歇地搬運光學薄膜F，在搬運停止時切斷光學薄膜F。此外，供給區域12A與在切斷區域12B間歇搬運光學薄膜F無關，而連續性地搬運光學薄膜F。 The cut region 12B intermittently conveys the optical film F, and cuts the optical film F when the conveyance is stopped. Further, the supply region 12A continuously conveys the optical film F regardless of the intermittent conveyance of the optical film F in the cut region 12B.
卷紙滾筒11係將帶狀之光學薄膜F卷繞於卷軸11a而累積者。卷軸11a沿著第一圖中之順時鐘方向旋轉驅動。藉此，光學薄膜F連續地捲出至搬運路12之供給區域12A。供給區域12A由複數個引導輥21及夾持輥22相連而構成。配設於供給區域12A之最後端的夾持輥(搬運手段，亦稱為饋進輥)22A如圖示之箭頭所示的旋轉。藉此，將光學薄膜F輸送至切斷區域12B。 The paper roll 11 is obtained by winding a strip-shaped optical film F around a reel 11a. The reel 11a is rotationally driven in the clockwise direction in the first figure. Thereby, the optical film F is continuously wound up to the supply region 12A of the conveyance path 12. The supply region 12A is constituted by a plurality of guide rollers 21 and nip rollers 22. The nip roller (transport means, also referred to as feed roller) 22A disposed at the rearmost end of the supply region 12A rotates as indicated by the arrow shown. Thereby, the optical film F is conveyed to the cut region 12B.
在供給區域12A中配設浮動輥23。浮動輥23如圖示之箭頭D所示，可在上下方向搖動地支撐。藉由浮動輥23在下方搖動，搬運路12變長。即使光學薄膜F在切斷區域12B停止而切斷中，浮動輥23吸收光學薄膜F之輸送量，仍可在供給區域12A連續搬運光學薄膜F。 A floating roller 23 is disposed in the supply region 12A. The floating roller 23 is slidably supported in the vertical direction as indicated by an arrow D as shown. The conveying path 12 is lengthened by the floating roller 23 shaking downward. Even if the optical film F is stopped while the cutting region 12B is stopped, the floating roller 23 absorbs the conveyance amount of the optical film F, and the optical film F can be continuously conveyed in the supply region 12A.
從搬運路12之切斷區域12B大致水平地設定搬出區域12C。如第二圖所示，在切斷區域12B，從光學薄膜F之搬運方向上游側朝向下游側(第二圖從左側至右側)，隔以等間隔配設有第一切斷部31、第二切斷部32及前端定位部33。此等間隔等於切斷光學薄膜F後獲得之單片長度。亦即，該切斷裝置1如第三圖所示，係在第一切斷部31與第二切斷部32之二處同時切斷光學薄膜F，以一次切斷動作各切下2片單片之光學薄膜F1而搬出。 The carry-out area 12C is set substantially horizontally from the cut region 12B of the conveyance path 12. As shown in the second figure, in the cutting region 12B, the first cutting portion 31 is disposed at equal intervals from the upstream side toward the downstream side (the left side to the right side in the second drawing) of the optical film F. The second cutting portion 32 and the front end positioning portion 33. These intervals are equal to the length of the single piece obtained after the optical film F is cut. In other words, as shown in the third figure, the cutting device 1 simultaneously cuts the optical film F at two places of the first cutting unit 31 and the second cutting unit 32, and cuts two pieces in one cutting operation. The single optical film F1 is carried out.
第一切斷部31與第二切斷部32係相同構成。如第二圖所示，此等切斷部31及32分別具備吸著台35及雷射照射部36(亦稱為切斷手段)。 The first cutting unit 31 and the second cutting unit 32 have the same configuration. As shown in the second figure, each of the cutting portions 31 and 32 includes a suction stage 35 and a laser irradiation unit 36 (also referred to as a cutting means).
吸著台35包含全寬吸著配置於上面之光學薄膜F而保持。雷射照射部36配設於吸著台35之下方。在吸著台35之搬運方向中央，形 成與搬運方向正交並以橫跨之方式延伸的狹縫35a。 The absorbing table 35 is held by the optical film F which is entirely absorbing and affixed to the upper surface. The laser irradiation unit 36 is disposed below the sorption table 35. In the center of the conveying direction of the suction table 35, the shape A slit 35a that is orthogonal to the conveying direction and extends across.
吸著台35藉由負壓作用將光學薄膜F吸著於上面而保持。雷射照射部36將滿足可適切切斷光學薄膜F之指定條件(波長及輸出等)的雷射光束L，通過狹縫35a而照射於吸著台35上保持之光學薄膜F。雷射照射部36藉由沿著狹縫35a掃描雷射光束L，而在與搬運方向正交之寬度方向切斷光學薄膜F。為了切斷光學薄膜F而掃描雷射光束L時，例如使用以下之方法。亦即，使雷射照射部36沿著狹縫35a移動，或是使雷射照射部36沿著狹縫35a如擺頭地搖動，而使雷射光束L之照射方向變化。 The absorbing table 35 is held by absorbing the optical film F by a negative pressure. The laser irradiation unit 36 irradiates the laser beam F held on the absorbing table 35 through the slit 35a by the laser beam L that satisfies the specified conditions (wavelength, output, etc.) at which the optical film F can be cut. The laser irradiation unit 36 cuts the laser beam L along the slit 35a, and cuts the optical film F in the width direction orthogonal to the conveyance direction. When the laser beam L is scanned for cutting the optical film F, for example, the following method is used. That is, the laser irradiation unit 36 is moved along the slit 35a, or the laser irradiation unit 36 is rocked along the slit 35a, and the irradiation direction of the laser beam L is changed.
在第一切斷部31與第二切斷部32之間，及第二切斷部32與前端定位部33之間，配設搬運輸送機41及42，其上搭載切斷後之單片的光學薄膜F1，將其搬運至搬出區域12C。 Between the first cutting unit 31 and the second cutting unit 32, and between the second cutting unit 32 and the front positioning unit 33, transport conveyors 41 and 42 are disposed, and the cut single piece is mounted thereon. The optical film F1 is transported to the carry-out area 12C.
前端定位部33係為了將光學薄膜F之搬運方向前端定位於指定位置而設的部分。前端定位部33具備藉由負壓作用將光學薄膜F吸著於上面而保持的定位板37及張力輥38。 The distal end positioning portion 33 is a portion provided to position the distal end of the optical film F in the conveyance direction at a predetermined position. The distal end positioning portion 33 includes a positioning plate 37 and a tension roller 38 which are held by suction of the optical film F by a negative pressure.
定位板37配置於搬運輸送機42正後方，如第四圖所示，與箭頭所示之光學薄膜F的搬運方向正交，並以橫跨之方式延伸。在定位板37之表面設定與定位板37之長度方向，亦即與光學薄膜F之搬運方向正交而延伸的前端停止線37a(亦稱為前端停止位置)。前端停止線37a係虛擬設定者，並非直接描繪於定位板37之表面者。前端停止線37a之位置記憶於第一圖所示之控制手段60的記憶部(省略圖示)中。 The positioning plate 37 is disposed directly behind the conveyance conveyor 42 and, as shown in the fourth figure, is orthogonal to the conveyance direction of the optical film F indicated by the arrow, and extends across. A front end stop line 37a (also referred to as a front end stop position) that extends in the longitudinal direction of the positioning plate 37, that is, orthogonal to the conveyance direction of the optical film F, is set on the surface of the positioning plate 37. The front end stop line 37a is a virtual setter, and is not directly drawn on the surface of the positioning plate 37. The position of the front end stop line 37a is stored in a memory portion (not shown) of the control means 60 shown in the first figure.
張力輥38從上方將光學薄膜F之前端部擠壓於搬運輸送機42之後端部，並在輸送方向旋轉。藉此，張力輥38除去搬運輸送機42上之光學薄膜F的鬆弛。 The tension roller 38 presses the front end portion of the optical film F from the upper end to the rear end portion of the conveyance conveyor 42, and rotates in the conveying direction. Thereby, the tension roller 38 removes the slack of the optical film F on the conveyance conveyor 42.
在定位板37之上方配設攝像手段51。攝像手段51例如具備CCD元件等攝像元件。攝像手段51設置成可拍攝下方之定位板37的表面及其附近。亦即，攝像手段51拍攝前端停止線37a及前端停止線37a之搬運方向的前後附近。 An imaging means 51 is disposed above the positioning plate 37. The imaging device 51 includes, for example, an imaging element such as a CCD element. The image pickup means 51 is provided to photograph the surface of the lower positioning plate 37 and its vicinity. In other words, the imaging means 51 captures the vicinity of the front and rear of the conveyance direction of the front end stop line 37a and the front end stop line 37a.
如第一圖所示，搬出區域12C具備在搬運方向排列之複數個(圖示例係2個)搬出輸送機43及44。在切斷區域12B切斷之單片的 光學薄膜F1累積於搬出輸送機43。 As shown in the first figure, the carry-out area 12C includes a plurality of (two in the illustrated example) carry-out conveyors 43 and 44 arranged in the conveyance direction. The single piece cut in the cutting area 12B The optical film F1 is accumulated on the carry-out conveyor 43.
以上係說明第一切斷部31、第二切斷部32及前端定位部33係隔以等間隔而配設，此等間隔等於切斷光學薄膜F後獲得之單片長度。但是嚴格而言，該長度係設定成第一間隔與第二間隔為同一距離，且等於切斷後獲得之單片長度的距離。此處所謂第一間隔，係從第一切斷部31與第二切斷部32之雷射照射部36照射的雷射光束L對光學薄膜F之各照射位置間的距離。此外，所謂第二間隔係從第二切斷部32之雷射照射部36照射的雷射光束L對光學薄膜F之照射位置與前端停止線37a間的距離。 In the above description, the first cutting portion 31, the second cutting portion 32, and the distal end positioning portion 33 are disposed at equal intervals, and the intervals are equal to the length of the single piece obtained by cutting the optical film F. Strictly speaking, the length is set such that the first interval is the same distance as the second interval and is equal to the distance of the length of the individual piece obtained after cutting. Here, the first interval is the distance between the respective irradiation positions of the optical film F from the laser beam L irradiated from the laser irradiation unit 36 of the first cutting unit 31 and the second cutting unit 32. Further, the second interval is a distance between the irradiation position of the laser beam F and the front end stop line 37a of the laser beam L irradiated from the laser irradiation unit 36 of the second cutting unit 32.
本實施形態之切斷裝置1，如第一圖所示具有控制手段60。控制手段60中供給攝像手段51之攝像資訊。切斷裝置1藉由控制手段60依據攝像手段51之攝像資訊，而統籌控制上述供給區域12A、切斷區域12B及搬出區域12C之工作構成要素。以下，說明藉由控制手段60控制之切斷裝置1的動作。 The cutting device 1 of the present embodiment has a control means 60 as shown in the first figure. The imaging means 60 supplies the imaging information of the imaging means 51. The cutting device 1 controls the operation components of the supply region 12A, the cutting region 12B, and the carry-out region 12C in accordance with the imaging information of the imaging device 51 by the control means 60. Hereinafter, the operation of the cutting device 1 controlled by the control means 60 will be described.
[2]切斷裝置之動作 [2] The action of the cutting device
本實施形態之光學薄膜F的切斷方法包含：搬運工序，其係輸送帶狀之光學薄膜F，使光學薄膜F之前端位置到達指定之前端停止位置；及切斷工序，其係以設定於比前述第一位置在光學薄膜F輸送方向之前方側的切斷部，切斷前端位置到達前述前端停止位置之光學薄膜F。 The cutting method of the optical film F of the present embodiment includes a transport step of transporting the strip-shaped optical film F such that the position of the front end of the optical film F reaches the designated front end stop position, and the cutting step is set to The optical film F that has reached the front end stop position is cut at a cutting portion on the side farther than the first position in the transport direction of the optical film F.
例如，在供給區域12A，從卷紙滾筒11連續地捲出光學薄膜F。其光學薄膜F藉由饋進輥22A輸送至切斷區域12B。在饋進輥22A前方之切斷區域12B中，進行交互進行光學薄膜F之切斷動作與搬運動作的間歇搬運。亦即，藉由饋進輥22A輸送光學薄膜F至前端到達前端定位部33後停止，以第一切斷部31與第二切斷部32同時切斷光學薄膜F。而後，藉由搬運輸送機41,42將藉由切斷而獲得之2片單片的光學薄膜F1輸送至搬出區域12C。饋進輥22A與其輸送動作連動而再度開始旋轉，將光學薄膜F輸送至切斷區域12B。饋進輥22A與搬運輸送機41及42之驅動連動，饋進輥22A執行之光學薄膜F的輸送動作與搬運輸送機41及42執行之單片光學薄膜F1的搬運動作，以相同時序同時進行。 For example, in the supply region 12A, the optical film F is continuously ejected from the roll paper roll 11. The optical film F is transported to the cut-off region 12B by the feed roller 22A. In the cutting region 12B in front of the feed roller 22A, intermittent conveyance of the cutting operation and the conveyance operation of the optical film F is performed alternately. That is, the optical film F is conveyed by the feed roller 22A until the leading end reaches the distal end positioning portion 33, and is stopped, and the optical film F is simultaneously cut by the first cutting portion 31 and the second cutting portion 32. Then, the two sheets of the single optical film F1 obtained by the cutting are conveyed to the carry-out area 12C by the conveyance conveyors 41, 42. The feed roller 22A starts to rotate in conjunction with the conveyance operation, and conveys the optical film F to the cut region 12B. The feed roller 22A is driven in conjunction with the driving of the conveyance conveyors 41 and 42, the conveyance operation of the optical film F by the feed roller 22A, and the conveyance operation of the single optical film F1 performed by the conveyance conveyors 41 and 42 are simultaneously performed at the same timing. .
另外，在供給區域12A，與在切斷區域12B間歇搬運光學 薄膜F無關，而連續地搬運光學薄膜F。在切斷區域12B搬運光學薄膜F停止時，浮動輥23向下方搖動，搬運路12變長，吸收光學薄膜F之輸送量而維持連續搬運。 In addition, the optical transport is intermittently carried in the supply region 12A and the cut region 12B. Regardless of the film F, the optical film F is continuously conveyed. When the conveyance optical film F is stopped in the cutting region 12B, the floating roller 23 is swung downward, the conveyance path 12 is lengthened, and the conveyance amount of the optical film F is absorbed to maintain continuous conveyance.
其次，說明在切斷區域12B之詳細的間歇搬運。 Next, the detailed intermittent conveyance in the cut region 12B will be described.
如上述，以第一切斷部31與第二切斷部32同時切斷光學薄膜F，藉由切斷而獲得之2片的單片光學薄膜F1輸送至搬出區域12C時，饋進輥22A與其同時再度開始旋轉，以一次輸送量一次輸送光學薄膜F至前端定位部33(一次輸送工序)。 As described above, when the first cut portion 31 and the second cut portion 32 simultaneously cut the optical film F, and the two sheets of the single optical film F1 obtained by the cutting are transported to the carry-out region 12C, the feed roller 22A At the same time, the rotation is started again, and the optical film F is transported once to the leading end positioning portion 33 at a single conveyance amount (primary conveying step).
此處所謂一次輸送量，如第四圖所示，係假設光學薄膜F之前端位置(被第一切斷部31所切斷之端緣)到達從前端停止線37a一定距離G程度離開前方側亦即上游側的一次輸送到達點37b之輸送量。控制饋進輥22A旋轉其一次輸送量部分程度。從前端停止線37a至前方側之一次輸送到達點37b的距離G不拘，不過，例如距離G宜為1mm~5mm，更宜為2mm~4mm。本實施形態之距離G為3mm。 As shown in the fourth figure, the first conveyance amount is assumed to be from the front end position of the optical film F (the edge cut by the first cutting portion 31) to the front side from the front end stop line 37a by a certain distance G. That is, the conveyance amount of the primary conveyance point 37b on the upstream side. The feed roller 22A is controlled to rotate by a portion of its primary delivery amount. The distance G from the front end stop line 37a to the front side conveyance point 37b is not limited. For example, the distance G is preferably 1 mm to 5 mm, more preferably 2 mm to 4 mm. The distance G in this embodiment is 3 mm.
其次，張力輥38旋轉，將搬運輸送機41及42上之光學薄膜F向搬運方向拉伸，除去光學薄膜F之鬆弛。繼續，在定位板37上吸著光學薄膜F之前端部，除去漂浮及鬆弛。 Next, the tension roller 38 rotates, and the optical film F on the conveyance conveyors 41 and 42 is stretched in the conveyance direction, and the slack of the optical film F is removed. Continuing, the end portion of the optical film F is sucked on the positioning plate 37 to remove floating and slack.
其次，在前端定位部33，藉由攝像手段51拍攝光學薄膜F之前端位置，檢測其前端位置(前端位置檢測工序)。而後，依據攝像手段51之攝像，比較光學薄膜F之前端位置與前端停止線37a，算出光學薄膜F前端到達前端停止線37a時需要之二次輸送量(二次輸送量算出工序)。 Next, in the distal end positioning portion 33, the position of the front end of the optical film F is imaged by the imaging means 51, and the leading end position is detected (front end position detecting step). Then, based on the imaging by the imaging means 51, the position of the front end of the optical film F and the distal end stop line 37a are compared, and the secondary delivery amount required for the tip end of the optical film F to reach the distal end stop line 37a is calculated (secondary delivery amount calculation step).
二次輸送量係從光學薄膜F之前端至前端停止線37a的空餘量。一次輸送為正確量時，空餘量等於相應於饋進輥22A之旋轉數的從一次輸送到達點37b至前端停止線37a之距離G。但是，在一次輸送期間，於饋進輥22A與光學薄膜F之間發生滑動時，輸送量發生不足，一次輸送後之光學薄膜F的前端，位於假設之一次輸送到達點37b的前面側。該情況下，從光學薄膜F之前端至前端停止線37a的空餘量比假設距離G(例如上述之3mm)長。因此，控制手段60依據攝像手段51之攝像，算出一次輸送後之實際空餘量，亦即需要之二次輸送量。 The secondary conveyance amount is a vacant amount from the front end of the optical film F to the front end stop line 37a. When the conveyance is the correct amount, the vacancy amount is equal to the distance G from the primary conveyance arrival point 37b to the front end stop line 37a corresponding to the number of rotations of the feed roller 22A. However, when slippage occurs between the feed roller 22A and the optical film F during one conveyance, the amount of conveyance is insufficient, and the leading end of the optical film F after the primary conveyance is located on the front side of the assumed primary conveyance point 37b. In this case, the margin from the front end of the optical film F to the front end stop line 37a is longer than the assumed distance G (for example, 3 mm described above). Therefore, the control means 60 calculates the actual remaining amount after one conveyance, that is, the required secondary conveyance amount, based on the imaging by the imaging means 51.
其次，使饋進輥22A旋轉相當於算出之二次輸送量的旋轉數程度，而二次輸送光學薄膜F(二次輸送工序)。二次輸送係控制光學薄膜F之前端為與前端停止線37a一致者。 Next, the feed roller 22A is rotated by the number of rotations corresponding to the calculated secondary conveyance amount, and the optical film F is secondarily conveyed (secondary conveyance step). The secondary conveyance system controls the front end of the optical film F to coincide with the front end stop line 37a.
其次，在第一切斷部31與第二切斷部32中，在吸著台35上吸著光學薄膜F而保持。而後，從各切斷部31及32之雷射照射部36，通過狹縫35a照射雷射光束L至吸著台35所保持之光學薄膜F上，光學薄膜F以第一切斷部31與第二切斷部32同時切斷(切斷工序)。切斷後，成為在各搬運輸送機41及42上各搭載1片單片之光學薄膜F1的狀態。之後，解除吸著台35及定位板37對光學薄膜F及F1的吸著，切斷後之2片光學薄膜F1藉由搬運輸送機41及42依序輸送至搬出輸送機43及44。 Next, in the first cutting portion 31 and the second cutting portion 32, the optical film F is sucked and held on the absorbing table 35. Then, the laser beam L is irradiated from the laser irradiation portion 36 of each of the cutting portions 31 and 32 through the slit 35a to the optical film F held by the absorbing table 35, and the optical film F is cut by the first cutting portion 31. The second cutting unit 32 is simultaneously cut (cutting step). After the cutting, a single piece of the optical film F1 is mounted on each of the transport conveyors 41 and 42. Thereafter, the suction of the optical films F and F1 by the absorbing table 35 and the positioning plate 37 is released, and the two optical films F1 that have been cut are sequentially transported to the carry-out conveyors 43 and 44 by the transport conveyors 41 and 42.
以上係控制手段60之控制動作的1個周期。光學薄膜F切斷後，與單片光學薄膜F1之搬運動作連動，使饋進輥22A再度旋轉，將光學薄膜F從供給區域12A輸送至切斷區域12B。而後，反覆進行上述周期，依序將單片之光學薄膜F1累積於搬出區域12C之搬出輸送機44上，並轉移至下一個工序。 The above is one cycle of the control operation of the control means 60. After the optical film F is cut, the feed roller 22A is rotated again in conjunction with the conveyance operation of the single optical film F1, and the optical film F is transported from the supply region 12A to the cut region 12B. Then, the above-described cycle is repeated, and the single optical film F1 is sequentially accumulated on the carry-out conveyor 44 of the carry-out area 12C, and the process proceeds to the next process.
[3]本實施形態之作用效果 [3] Effect of the embodiment
以饋進輥22A將光學薄膜F間歇地輸送至切斷區域12B時，若將先前之方法適用於上述切斷裝置1，會產生以下之瑕疵。先前方法係使饋進輥22A旋轉，光學薄膜F之前端到達定位板37的前端停止線37a，作為1次光學薄膜F之搬運工序。但是，此種1次搬運，當饋進輥22A與光學薄膜F之間發生滑動時，輸送量發生不足，而產生切斷後之單片長度變動大的瑕疵。 When the optical film F is intermittently conveyed to the cutting region 12B by the feeding roller 22A, if the previous method is applied to the cutting device 1, the following may occur. In the prior method, the feed roller 22A is rotated, and the front end of the optical film F reaches the front end stop line 37a of the positioning plate 37 as a transporting process of the primary optical film F. However, in such a single conveyance, when slippage occurs between the feed roller 22A and the optical film F, the amount of conveyance is insufficient, and a flaw in which the length of the single piece after the cutting is large is generated.
關於這一點，採用本實施形態時，係將光學薄膜F在切斷區域12B之搬運區分為兩個階段：一次輸送之第一階段，即是輸送光學薄膜F，使前端到達前端停止線37a稍微前方之一次輸送到達點37b；及二次輸送之第二階段，即是使前端最後到達前端停止線37a。在一次輸送後，求出前端與前端停止線37a間之空餘量，二次輸送則是以該空餘量部分程度搬運光學薄膜F，修正前端與前端停止線37a一致。因而可抑制饋進輥22A輸送光學薄膜F之輸送量的變動，始終獲得光學薄膜F之前端精確停止在 前端停止線37a之狀態。結果，可減少切斷後獲得之單片的光學薄膜F1長度變動。 In this regard, in the case of the present embodiment, the conveyance of the optical film F in the cutting region 12B is divided into two stages: the first stage of the primary conveyance, that is, the conveyance of the optical film F, and the front end reaches the front end stop line 37a slightly. The first delivery to the point 37b in the front; and the second stage of the secondary delivery, that is, the front end finally reaches the front end stop line 37a. After one conveyance, the vacant amount between the front end and the front end stop line 37a is obtained, and in the second conveyance, the optical film F is partially conveyed by the vacant amount, and the corrected front end coincides with the front end stop line 37a. Therefore, it is possible to suppress the variation in the conveyance amount of the feed roller 22A to transport the optical film F, and always obtain the precise stop of the front end of the optical film F at The state of the front end stop line 37a. As a result, the variation in the length of the optical film F1 of the single piece obtained after the cutting can be reduced.
第五A圖係適用本實施形態之方法，搬運光學薄膜F並切斷時，依抽樣數採取饋進輥22A輸送光學薄膜F之輸送量的平均值，並將其圖表化者。另外，第五B圖係採用先前方法時，依抽樣數採取饋進輥22A輸送光學薄膜F之輸送量的平均值，並將其圖表化者。如第五A圖及第五B圖所示，判斷出藉由採用本實施形態之方法，比先前方法可減少光學薄膜F之輸送量的變動。 In the fifth embodiment, the method of the present embodiment is applied. When the optical film F is conveyed and cut, the average value of the conveyance amount of the optical film F fed by the feed roller 22A is taken according to the number of samples, and the graph is displayed. Further, in the fifth B diagram, when the previous method is employed, the average value of the conveyance amount of the optical film F conveyed by the feed roller 22A is taken according to the number of samples, and is graphed. As shown in Figs. 5A and 5B, it is judged that the variation of the conveyance amount of the optical film F can be reduced by the method of the present embodiment.
此外，本實施形態係將一次輸送之一次輸送到達點37b，對前端停止線37a設定在光學薄膜F輸送方向之前方側。因而，一次輸送後之光學薄膜F的前端位置大致全部位於前端停止線37a之前方。因此，二次輸送方向並非反輸送，饋進輥22A始終在相同方向旋轉。使饋進輥22A反方向旋轉，而將光學薄膜F之前端對準前端停止線37a的控制，很難精確進行。因此，將一次輸送之一次輸送到達點37b設定於前端停止線37a之前方側時，在將綜合輸送量保持一定上有效。 Further, in the present embodiment, the primary conveyance arrival point 37b is conveyed once, and the front end stop line 37a is set to the front side in the conveyance direction of the optical film F. Therefore, the front end positions of the optical films F after one conveyance are substantially all located in front of the front end stop line 37a. Therefore, the secondary conveying direction is not reverse conveying, and the feeding roller 22A always rotates in the same direction. The feed roller 22A is rotated in the reverse direction, and the control of aligning the front end of the optical film F with the front end stop line 37a is difficult to perform accurately. Therefore, when the primary conveyance arrival point 37b of the primary conveyance is set to the front side of the front end stop line 37a, it is effective to keep the total conveyance amount constant.
另外，本實施形態中，係藉由雷射照射部構成切斷手段，不過切斷手段不限於此，亦可使用切割機等切斷手段。 In the present embodiment, the laser irradiation unit constitutes the cutting means, but the cutting means is not limited thereto, and a cutting means such as a cutter may be used.
本實施形態中，二次輸送後係轉移至切斷光學薄膜F。但是，亦可在二次輸送後的切斷之前，追加以下工序，即再度確認攝像手段51之攝像，因此，當光學薄膜F之前端對前端停止線37a超過預設之臨限值範圍情況下，不藉由切斷手段切斷光學薄膜F，而捨棄單片之光學薄膜。 In the present embodiment, after the secondary conveyance, the film is transferred to the cut optical film F. However, it is also possible to add the following steps before the cutting after the secondary conveyance, that is, to re-confirm the imaging of the imaging means 51, and therefore, when the front end of the optical film F is over the preset stop line 37a beyond the preset threshold range The optical film F is not cut by the cutting means, and the single-piece optical film is discarded.
本發明適用於抑制光學薄膜之輸送量變動，減少切斷後獲得之單片光學薄膜的長度變動之光學薄膜切斷裝置、光學薄膜切斷方法及記錄媒體等。 The present invention is suitable for an optical film cutting device, an optical film cutting method, a recording medium, and the like which suppress variations in the amount of conveyance of an optical film and reduce variations in the length of a single optical film obtained after cutting.
1‧‧‧切斷裝置 1‧‧‧cutting device
11‧‧‧卷紙滾筒 11‧‧‧Roller roller
11a‧‧‧卷軸 11a‧‧‧ reel
12‧‧‧搬運路 12‧‧‧Transportation
12A‧‧‧供給區域 12A‧‧‧Supply area
12B‧‧‧切斷區域 12B‧‧‧cut area
12C‧‧‧搬出區域 12C‧‧‧ Moving out of the area
21‧‧‧引導輥 21‧‧‧Guide Roller
22‧‧‧夾持輥 22‧‧‧Clamping roller
22A‧‧‧饋進輥 22A‧‧‧feeding roller
23‧‧‧浮動輥 23‧‧‧Floating roller
31‧‧‧第一切斷部 31‧‧‧The first cut-off
32‧‧‧第二切斷部 32‧‧‧Second cut section
33‧‧‧前端定位部 33‧‧‧Front Positioning Department
35‧‧‧吸著台 35‧‧‧ suction table
36‧‧‧雷射照射部 36‧‧‧Laser Illumination Department
38‧‧‧張力輥 38‧‧‧ Tension roller
41、42‧‧‧搬運輸送機 41, 42‧‧‧Transport conveyor
43、44‧‧‧搬出輸送機 43, 44‧‧‧ moving out of the conveyor
51‧‧‧攝像手段 51‧‧‧Photography
60‧‧‧控制手段 60‧‧‧Control means
D‧‧‧箭頭 D‧‧‧ arrow
F‧‧‧光學薄膜 F‧‧‧Optical film
Claims (15)
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011281301A JP5963073B2 (en) | 2011-12-22 | 2011-12-22 | Optical film cutting method and cutting apparatus |
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| TW201338945A true TW201338945A (en) | 2013-10-01 |
| TWI574805B TWI574805B (en) | 2017-03-21 |
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| JP (1) | JP5963073B2 (en) |
| KR (1) | KR102020692B1 (en) |
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| JP6478599B2 (en) * | 2014-12-03 | 2019-03-06 | 日東電工株式会社 | Cutting line forming method and cutting line forming apparatus |
| JP6688575B2 (en) | 2015-08-10 | 2020-04-28 | 三菱重工機械システム株式会社 | Corrugated board sheet cutting device, cutting control device therefor, and corrugated board sheet manufacturing device |
| CN110142989A (en) * | 2019-04-02 | 2019-08-20 | 万维科研有限公司 | A kind of preparation method of lenticular sheet film |
| KR102540718B1 (en) | 2021-10-19 | 2023-06-12 | 박찬호 | A punch for cutting of optical film |
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| JP2692295B2 (en) * | 1989-09-20 | 1997-12-17 | 松下電器産業株式会社 | Film feed control method |
| JP3804393B2 (en) * | 2000-03-27 | 2006-08-02 | セイコーエプソン株式会社 | Display device and conduction method of display device |
| JP4953517B2 (en) * | 2001-05-14 | 2012-06-13 | 日東電工株式会社 | Manufacturing method of polarizing plate and liquid crystal display device |
| JP4294285B2 (en) * | 2002-09-20 | 2009-07-08 | 株式会社大塚製薬工場 | Feeding and processing control method and apparatus for strip film raw material |
| JP4346971B2 (en) * | 2003-05-16 | 2009-10-21 | 富士フイルム株式会社 | Polarizing plate bonding method and apparatus |
| JP2007050983A (en) * | 2005-08-18 | 2007-03-01 | Matsushita Electric Ind Co Ltd | Carrying device |
| JP2007283429A (en) * | 2006-04-14 | 2007-11-01 | Tookoo:Kk | Sheet cutting apparatus |
| CN101352857B (en) * | 2007-07-23 | 2011-12-28 | 明基材料股份有限公司 | Cutting apparatus |
| JP2009039824A (en) * | 2007-08-09 | 2009-02-26 | Nireco Corp | Cutting position control device and cutting position control method |
| JP4737569B2 (en) * | 2008-01-29 | 2011-08-03 | 日東電工株式会社 | Optical display unit manufacturing method and optical display unit manufacturing system |
| JP2009282385A (en) * | 2008-05-23 | 2009-12-03 | Nitto Denko Corp | Method of manufacturing optical display device |
| KR101385790B1 (en) * | 2008-08-19 | 2014-04-16 | 아께보노 기까이 고오교오 가부시끼가이샤 | Method for transferring optical film and apparatus employing the method |
| JP2010082841A (en) * | 2008-09-29 | 2010-04-15 | Sharp Corp | Method for printing, printing apparatus, and display device |
| JP4669087B1 (en) * | 2009-05-15 | 2011-04-13 | 日東電工株式会社 | Optical display device manufacturing system and method |
| JP5519330B2 (en) * | 2010-02-26 | 2014-06-11 | 日東電工株式会社 | Cutting information determination method, manufacturing method of strip-shaped polarizing sheet using the same, manufacturing method of optical display unit, strip-shaped polarizing sheet, and polarizing sheet original fabric |
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| TWI574805B (en) | 2017-03-21 |
| CN103998958A (en) | 2014-08-20 |
| JP2013130783A (en) | 2013-07-04 |
| JP5963073B2 (en) | 2016-08-03 |
| CN103998958B (en) | 2016-04-27 |
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