JP2017187618A - 光学的表示装置を製造する方法 - Google Patents
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Abstract
【解決手段】 本方法は、キャリアフィルムを剥離体の頂部で折り返しながら搬送することにより、シート状光学機能フィルムを粘着剤層と共にキャリアフィルムから剥離する工程と、シート状光学機能フィルムが所定の頭出し長さだけ剥離されたときに、キャリアフィルムの搬送を停止し、先端部を検出する工程と、シート状光学機能フィルムの先端部を貼合位置まで進める工程と、先端部からシート状光学機能フィルム上の頭出し長さより上流側の所定の位置までを、第1の貼合速度でパネル部材に貼り合わせる工程と、所定の位置からシート状光学機能フィルムの後端部までの少なくとも一部を、第1の貼合速度より速い速度でパネル部材に貼り合わせる工程とを含む。
【選択図】 図5
Description
図3は、本発明の一実施形態による、光学的表示装置を連続的に製造する装置1の全体構成の概念図である。連続製造装置1においては、例えば図2に示される構成の光学フィルム積層体Fを用いることができる。光学フィルム積層体Fは、帯状のキャリアフィルムF3上に、粘着剤層F2を介して、複数のシート状光学機能フィルムF1が長さ方向に連続的に積層されたものである。連続製造装置1においては、シート状光学機能フィルムF1を粘着剤層F2とともに帯状のキャリアフィルムF3から剥離し、剥離されたシート状光学機能フィルムF1とパネル部材Wとを一対の貼合ローラ23、24を用いて貼り合わせることによって、光学的表示装置を連続的に製造することができる。連続製造装置1の各部の動作は、制御部50の制御手段51によって制御することができ、各部において用いられるデータ等は、記憶手段52に記憶され、必要に応じて利用される。本発明において、シート状光学機能フィルムF1は、偏光フィルム、反射防止フィルム、位相差フィルム、光拡散フィルム、輝度向上フィルム及び表面保護フィルムのいずれか又はこれらの組み合わせを含むものとすることができ、パネル部材Wは、液晶パネル、有機ELパネルなどとすることができる。
図6は、シート状光学機能フィルムF1とパネル部材Wとの貼合速度と、貼り合わせ後における筋状の変形Dの高さとの関係を示す図であり、光学機能フィルムF1と粘着剤層F2とを合わせた厚みが135μmのフィルムについて、粘着剤層F2に発生した筋状の変形が、貼り合わせ後にどの程度の高さとなったかを表す。横軸は、光学機能フィルムF1の先端部FAから頭出し長さd1より上流側の所定の位置FCまでを貼り合わせる際の第1の貼合速度v1であり、縦軸は、貼り合わせを行った後に測定された変形Dの高さである。待機時間は、光学機能フィルムF1の先端部FAを検出するためにキャリアフィルムF3の搬送を停止してから、検出後にキャリアフィルムF3の搬送を開始するまでの時間である。頭出し長さd1は20mm、所定の位置FCは先端部FAから50mmの位置とした。
11 光学フィルム積層体F’のロール
13、17 フィードローラ
14、18 ダンサーローラ
15 切断部
20 貼合部
21 剥離手段
22 剥離手段の頂部
23、24 貼合ローラ
25 先端部検出手段
26 貼合位置
30 搬送手段
32 位置合わせ部
33 パネル位置検出手段
40 巻取手段
41 フィードローラ
50 制御部
51 制御手段
52 記憶手段
F’、F 光学フィルム積層体
F1’ 帯状光学機能フィルム
F1 シート状光学機能フィルム
F2 粘着剤層
F3 キャリアフィルム
FA シート状光学機能フィルムの先端部
FB シート状光学機能フィルムの後端部
FC シート状光学機能フィルム上の所定の位置
W パネル部材
P パネル積層体
D 粘着剤層の筋状の変形
d1 シート状光学機能フィルムの頭出し長さ
d2 第1の貼合速度で貼り合わせるシート状光学機能フィルムの長さ(FAからFCまでの長さ)
d3 シート状光学機能フィルムの残りの長さ(FCからFBまでの長さ)
v1 第1の貼合速度
v2 第2の貼合速度
Claims (4)
- キャリアフィルムと、該キャリアフィルムの一方の面に形成された粘着剤層と、該粘着剤層を介して前記キャリアフィルム上に連続的に支持された複数のシート状光学機能フィルムとを含む帯状の光学フィルム積層体の前記キャリアフィルムから、前記粘着剤層と共に前記シート状光学機能フィルムを剥離し、剥離された前記シート状光学機能フィルムを貼合位置においてパネル部材に貼り合わせることによって光学的表示装置を製造する方法であって、
前記キャリアフィルムを、前記貼合位置に対向する位置に配置された頂部を有する剥離体の該頂部で折り返しながら搬送することにより、前記シート状光学機能フィルムを前記粘着剤層と共に前記キャリアフィルムから剥離する工程と、
前記シート状光学機能フィルムが先端部から所定の頭出し長さだけ剥離されたときに、前記キャリアフィルムの搬送を停止し、前記先端部を検出する工程と、
前記キャリアフィルムを搬送して、前記シート状光学機能フィルムの前記先端部を前記貼合位置まで進める工程と、
前記先端部から、前記シート状光学機能フィルム上の前記頭出し長さより上流側の所定の位置までを、第1の貼合速度を最大速度として前記パネル部材に貼り合わせる工程と、
前記所定の位置から前記シート状光学機能フィルムの後端部までの少なくとも一部を、前記第1の貼合速度より速い第2の貼合速度で前記パネル部材に貼り合わせる工程と、
を含む方法。 - 前記所定の位置は、前記シート状光学機能フィルムの前記先端部から50mm〜200mmの位置である、請求項1に記載の方法。
- 前記第1の貼合速度は、2mm/秒〜100mm/秒である、請求項1又は請求項2に記載の方法。
- 前記先端部を検出するために前記キャリアフィルムの搬送を停止してから、検出後に前記キャリアフィルムの搬送を開始するまでの待機時間が、3秒〜5秒である、請求項1から請求項3のいずれか1項に記載の方法。
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JP2016076285A JP6171041B1 (ja) | 2016-04-06 | 2016-04-06 | 光学的表示装置を製造する方法 |
TW106108371A TWI675232B (zh) | 2016-04-06 | 2017-03-14 | 製造光學顯示裝置的方法 |
KR1020177018954A KR102028450B1 (ko) | 2016-04-06 | 2017-03-16 | 광학적 표시 장치를 제조하는 방법 |
PCT/JP2017/010611 WO2017175558A1 (ja) | 2016-04-06 | 2017-03-16 | 光学的表示装置を製造する方法 |
CN201780000897.XA CN107438877B (zh) | 2016-04-06 | 2017-03-16 | 制造光学显示装置的方法 |
US16/088,775 US20190111670A1 (en) | 2016-04-06 | 2017-03-16 | Method for manufacturing optical display device |
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JP4689763B1 (ja) * | 2010-09-29 | 2011-05-25 | 日東電工株式会社 | 液晶表示素子の連続製造システムおよび液晶表示素子の連続製造方法 |
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JP6101431B2 (ja) * | 2012-04-16 | 2017-03-22 | 日東電工株式会社 | 光学表示パネルの連続製造方法および光学表示パネルの連続製造システム |
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US20150030685A1 (en) * | 2013-07-23 | 2015-01-29 | Lynn J. Maland | Sugar-Free Oral Transmucosal Fentanyl Citrate Lozenge Dosage Forms |
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JP2013186185A (ja) * | 2012-03-06 | 2013-09-19 | Nitto Denko Corp | 光学表示パネルの連続製造方法および光学表示パネルの連続製造システム |
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US20190111670A1 (en) | 2019-04-18 |
JP6171041B1 (ja) | 2017-07-26 |
KR102028450B1 (ko) | 2019-10-04 |
KR20180132500A (ko) | 2018-12-12 |
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CN107438877B (zh) | 2019-11-19 |
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