JP2016130922A - タッチ入力センサの製造方法及び感光性導電フィルム - Google Patents
タッチ入力センサの製造方法及び感光性導電フィルム Download PDFInfo
- Publication number
- JP2016130922A JP2016130922A JP2015004553A JP2015004553A JP2016130922A JP 2016130922 A JP2016130922 A JP 2016130922A JP 2015004553 A JP2015004553 A JP 2015004553A JP 2015004553 A JP2015004553 A JP 2015004553A JP 2016130922 A JP2016130922 A JP 2016130922A
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- Prior art keywords
- resin layer
- transparent
- conductive film
- photosensitive resin
- photosensitive
- Prior art date
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- Granted
Links
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Abstract
Description
透明基板の両面に、それぞれ前記透明基板側から、感光性樹脂と紫外線吸収剤とを含む中間樹脂層、及び透明導電膜の順に積層する工程と、
両面側の前記中間樹脂層及び前記透明導電膜をそれぞれ覆うようにマスクを配置して、両面側から紫外線によるパターン露光を行う工程と、
現像して、前記透明基板の両面に前記透明導電膜からなる透明電極を形成する工程と、を備える。
基材フィルムと、
前記基材フィルム上に配置された透明導電膜と、
前記透明導電膜上に配置された、感光性樹脂と紫外線吸収剤とを含むUVカット機能付感光層と、
を備える。
タッチ入力センサの製造方法及び感光性導電フィルムのその他の実施形態について説明する。なお、以下のそれぞれの実施形態で開示される構成は、矛盾が生じない限り、他の実施形態で開示される構成と組み合わせて適用することも可能である。
以上をまとめると、本開示に係るタッチ入力センサの製造方法は、好適には、以下の各構成を備える。
タッチ入力センサ(1)の製造方法であって、
透明基板(10)の両面に、それぞれ前記透明基板(10)側から、感光性樹脂と紫外線吸収剤とを含む中間樹脂層(33)、及び透明導電膜(32)の順に積層する工程と、
両面側の前記中間樹脂層(33)及び前記透明導電膜(32)をそれぞれ覆うようにマスク(41,42)を配置して、両面側から紫外線(L)によるパターン露光を行う工程と、
現像して、前記透明基板(10)の両面に前記透明導電膜(32)からなる透明電極(14,24)を形成する工程と、を備える。
また、上記の構成では、透明基板の両面に設けられる感光性樹脂を含む中間樹脂層が紫外線吸収剤をさらに含むので、一対の透明電極の一方のパターニングと他方のパターニングとが相互に影響し合うことを抑制できる。つまり、透明基板の一方の面(以下、「第一面」と言う)側で一方の透明電極をパターニングするための紫外線は、紫外線吸収剤で吸収されて他方の面(以下、「第二面」と言う)側まではほとんど透過しない。同様に、透明基板の第二面側で他方の透明電極をパターニングするための紫外線は、紫外線吸収剤で吸収されて第一面側まではほとんど透過しない。よって、透明基板の両面に分かれて得られる一対の透明電極のパターニングをそれぞれ適切に行うことができる。露光工程数が少なく、両面側から露光さえできれば装置に関する制約もほとんどないので、簡易に一対の透明電極を形成することができ、タッチ入力センサの製造を簡易化することができる。
前記中間樹脂層(33)において、感光性樹脂層(34)中に前記紫外線吸収剤が分散保持されている。
現像後、前記中間樹脂層(33)に含まれる前記紫外線吸収剤を失活させる工程と、
前記紫外線吸収剤を失活させた後、両面側の前記中間樹脂層(33)を全面露光する工程と、
をさらに備える。
前記紫外線吸収剤が、前記透明導電膜(32)側から前記透明基板(10)側に向かうに従って高濃度となる濃度勾配を有する状態で前記感光性樹脂層(34)中に分散保持されている。
前記中間樹脂層(33)において、感光性樹脂層(34)と紫外線吸収剤層(37)とが、前記感光性樹脂層(34)が前記透明導電膜(32)側に位置する状態で積層されている。
前記中間樹脂層(33)が、前記紫外線吸収剤層(37)に対して前記感光性樹脂層(34)とは反対側に積層された非感光性樹脂層(38)をさらに含む。
感光性導電フィルム(3)であって、
基材フィルム(31)と、
前記基材フィルム(31)上に配置された透明導電膜(32)と、
前記透明導電膜(32)上に配置された、感光性樹脂と紫外線吸収剤とを含むUVカット機能付感光層(33)と、
を備える。
また、上記の構成では、透明基板の両面に設けられる感光性樹脂を含むUVカット機能付感光層が紫外線吸収剤をさらに含むので、一対の透明電極の一方のパターニングと他方のパターニングとが相互に影響し合うことを抑制できる。よって、透明基板の両面に分かれて得られる一対の透明電極のパターニングをそれぞれ適切に行うことができる。露光工程数が少なく、両面側から露光さえできれば装置に関する制約もほとんどないので、簡易に一対の透明電極を形成することができ、タッチ入力センサの製造を簡易化することができる。
従って、簡易に製造可能であり、かつ、一対の透明電極どうしの位置合わせを容易に行うことができるタッチ入力センサの製造方法に適した感光性導電フィルムを提供することができる。
3 感光性導電フィルム
10 透明基板
14 第一透明電極(透明電極)
24 第二透明電極(透明電極)
31 基材フィルム
32 透明導電膜
33 中間樹脂層(UVカット機能付感光層)
34 感光性樹脂層
36 熱可塑性紫外線吸収剤層(紫外線吸収剤層、非感光性樹脂層)
37 紫外線吸収剤層
38 熱可塑性樹脂層(非感光性樹脂層)
41 第一マスク(マスク)
42 第二マスク(マスク)
L 紫外線
Claims (7)
- 透明基板の両面に、それぞれ前記透明基板側から、感光性樹脂と紫外線吸収剤とを含む中間樹脂層、及び透明導電膜の順に積層する工程と、
両面側の前記中間樹脂層及び前記透明導電膜をそれぞれ覆うようにマスクを配置して、両面側から紫外線によるパターン露光を行う工程と、
現像して、前記透明基板の両面に前記透明導電膜からなる透明電極を形成する工程と、
を備えるタッチ入力センサの製造方法。 - 前記中間樹脂層において、感光性樹脂層中に前記紫外線吸収剤が分散保持されている請求項1に記載のタッチ入力センサの製造方法。
- 現像後、前記中間樹脂層に含まれる前記紫外線吸収剤を失活させる工程と、
前記紫外線吸収剤を失活させた後、両面側の前記中間樹脂層を全面露光する工程と、
をさらに備える請求項2に記載のタッチ入力センサの製造方法。 - 前記紫外線吸収剤が、前記透明導電膜側から前記透明基板側に向かうに従って高濃度となる濃度勾配を有する状態で前記感光性樹脂層中に分散保持されている請求項2又は3に記載のタッチ入力センサの製造方法。
- 前記中間樹脂層において、感光性樹脂層と紫外線吸収剤層とが、前記感光性樹脂層が前記透明導電膜側に位置する状態で積層されている請求項1に記載のタッチ入力センサの製造方法。
- 前記中間樹脂層が、前記紫外線吸収剤層に対して前記感光性樹脂層とは反対側に積層された非感光性樹脂層をさらに含む請求項5に記載のタッチ入力センサの製造方法。
- 基材フィルムと、
前記基材フィルム上に配置された透明導電膜と、
前記透明導電膜上に配置された、感光性樹脂と紫外線吸収剤とを含むUVカット機能付感光層と、
を備える感光性導電フィルム。
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CN201580047364.8A CN106687892B (zh) | 2015-01-13 | 2015-12-09 | 触摸输入传感器的制造方法以及感光性导电膜 |
PCT/JP2015/084510 WO2016114041A1 (ja) | 2015-01-13 | 2015-12-09 | タッチ入力センサの製造方法及び感光性導電フィルム |
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KR20200015494A (ko) | 2017-05-31 | 2020-02-12 | 니폰 제온 가부시키가이샤 | 터치 센서 기재 및 그 제조 방법, 터치 센서 부재 및 그 제조 방법, 그리고, 표시 장치 |
US12014011B2 (en) | 2017-12-25 | 2024-06-18 | Dai Nippon Printing Co., Ltd. | Conductive film, sensor, touch panel, image display device, and conductive film with protection film |
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TWM508718U (zh) * | 2015-03-12 | 2015-09-11 | Ind Tech Res Inst | 觸控裝置 |
KR102524218B1 (ko) | 2017-06-07 | 2023-04-21 | 세키스이가가쿠 고교가부시키가이샤 | 접합 유리용 중간막 및 접합 유리 |
CN110197875A (zh) | 2018-02-26 | 2019-09-03 | 松下知识产权经营株式会社 | 光电转换元件及其制造方法 |
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US9874814B2 (en) | 2018-01-23 |
US20170205917A1 (en) | 2017-07-20 |
CN106687892B (zh) | 2020-05-22 |
CN106687892A (zh) | 2017-05-17 |
KR101878109B1 (ko) | 2018-07-13 |
JP6027633B2 (ja) | 2016-11-16 |
KR20170105474A (ko) | 2017-09-19 |
WO2016114041A1 (ja) | 2016-07-21 |
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