JP2016536663A - タッチパネルの製造方法 - Google Patents
タッチパネルの製造方法 Download PDFInfo
- Publication number
- JP2016536663A JP2016536663A JP2016518085A JP2016518085A JP2016536663A JP 2016536663 A JP2016536663 A JP 2016536663A JP 2016518085 A JP2016518085 A JP 2016518085A JP 2016518085 A JP2016518085 A JP 2016518085A JP 2016536663 A JP2016536663 A JP 2016536663A
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- layer
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- touch panel
- thin film
- manufacturing
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- Granted
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Abstract
Description
本発明のタッチパネルの製造方法は、S1:第1の基板に薄膜層を形成するステップと、S2:前記薄膜層にバッファ層を形成するとともに、前記薄膜層が前記第1の基板と前記バッファ層との間に位置するステップと、S3:前記バッファ層にセンシング層を形成するとともに、前記バッファ層が前記薄膜層と前記センシング層との間に位置するステップと、S4:前記センシング層に第2の基板を形成するとともに、前記センシング層が前記バッファ層と前記第2の基板との間に位置するステップと、S5:前記第1の基板を除去するステップと、S6:接合層によって前記薄膜層にカバープレートを貼り付けるとともに、前記接合層が前記カバープレートと前記薄膜層との間に位置するステップと、S7:前記第2の基板を除去するステップと、を含む。
また、薄膜層とセンシング層との間にバッファ層が形成されており、バッファ層の特性により、薄膜層とセンシング層との間の特性上の差異、例えば薄膜層とセンシング層の屈折率の差異、熱膨張係数の差異を緩和することができる。さらに、バッファ層が存在しているため、センシング層の形成プロセスにおける薄膜層の腐食を減らすとともに、第1の基板を除去する際の応力による薄膜層とセンシング層へのダメージを減らすことができる。
本発明の開示内容では、異なる実施例において同じ部品符号を用いる場合があるが、異なる実施例または図面に関連性を有することを意味しない。また、一つの部品を他の部品の「上」または「下」に形成することは、二つの部品が直接接触する実施例を含んでもよく、または二つの部品の間に他の追加の部品が介在している実施例を含んでもよい。図面を明確にするために、各種の部品を任意の比率で示すことがある。
30 薄膜ユニット
100、300 第1の基板
200 保護層
110 第1の接着層
120 担持層
121 薄膜層
122 バッファ層
130 センシング層
131 第1の電極ブロック
132 第1のリード線
133 第2の電極ブロック
134 第2のリード線
135 絶縁ブロック
136 信号線
140 第2の接着層
150 第2の基板
160 接合層
170 カバープレート
180 遮蔽層
310 第3の基板
M 中央領域
N 周辺領域
V 領域
CC' 切断線
A、B 表面
Claims (25)
- S1:第1の基板に薄膜層を形成するステップと、
S2:前記薄膜層にバッファ層を形成するとともに、前記薄膜層が前記第1の基板と前記バッファ層との間に位置するステップと、
S3:前記バッファ層にセンシング層を形成するとともに、前記バッファ層が前記薄膜層と前記センシング層との間に位置するステップと、
S4:前記センシング層に第2の基板を形成するとともに、前記センシング層が前記バッファ層と前記第2の基板との間に位置するステップと、
S5:前記第1の基板を除去するステップと、
S6:接合層によって前記薄膜層にカバープレートを貼り付けるとともに、前記接合層が前記カバープレートと前記薄膜層との間に位置するステップと、
S7:前記第2の基板を除去するステップと、を含むことを特徴とするタッチパネルの製造方法。 - 前記ステップS1において、第1の接着層によって前記薄膜層を前記第1の基板に接着することを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記ステップS2において、転写する方法又は溶液を塗布してから硬化させる方法によって前記バッファ層を前記薄膜層に形成することを特徴とする請求項1に記載のタッチパネルの製造方法。
- ステップS3とS4の間に、前記センシング層に保護層を形成するとともに、前記センシング層が前記バッファ層と前記保護層との間に位置するステップをさらに含むことを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記保護層を形成するステップは、
前記センシング層に第1の保護層を形成するとともに、前記センシング層が前記バッファ層と前記第1の保護層との間に位置するステップと、
前記第1の保護層に第2の保護層を形成するとともに、前記第1の保護層が前記センシング層と前記第2の保護層との間に位置するステップと、を含むことを特徴とする請求項4に記載のタッチパネルの製造方法。 - 転写する方法又は溶液を塗布してから硬化させる方法によって前記保護層を形成することを特徴とする請求項4に記載のタッチパネルの製造方法。
- 前記ステップS4において、第2の接着層によって前記第2の基板を前記センシング層に接着することを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記第2の基板はフレキシブル基板であることを特徴とする請求項1又は7に記載のタッチパネルの製造方法。
- ステップS5において、溶液浸漬処理、熱処理、冷間処理、外力剥離処理又はこれらの組み合わせによって前記第1の基板を除去することを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記第1の基板には中央領域および前記中央領域を囲む周辺領域が規定されており、前記第1の接着層は前記第1の基板における周辺領域に位置し、前記センシング層は前記第1の基板における中央領域に位置していることを特徴とする請求項2に記載のタッチパネルの製造方法。
- ステップS5は、前記周辺領域に沿って前記中央領域に近い辺縁で切断し、前記周辺領域に位置する前記第1の接着層を切り取ってから前記第1の基板を除去するステップを含むことを特徴とする請求項10に記載のタッチパネルの製造方法。
- ステップS5は、前記周辺領域に沿って前記中央領域に近い辺縁で切断し、前記周辺領域に位置する前記第1の接着層及び前記周辺領域に位置する一部の前記第1の基板を切り取ってから前記第1の基板を除去するステップを含むことを特徴とする請求項10に記載のタッチパネルの製造方法。
- ステップS7は、前記第2の接着層に対して光照射処理、熱処理、冷間処理又はこれらの組み合わせを行ってから前記第2の接着層及び前記第2の基板を除去するステップを含むことを特徴とする請求項7に記載のタッチパネルの製造方法。
- 前記センシング層を形成するステップは、
第1の方向に間隔をおいて配列された複数の第1のリード線を形成するステップと、
前記第1の方向に配列された複数の第1の電極ブロックであって、隣り合う第1の電極ブロックが前記第1のリード線を介して電気的に接続される第1の電極ブロックと、第2の方向に配列されそれぞれ前記第1のリード線の両側に分布している複数の第2の電極ブロックと、隣り合う前記第2の電極ブロックを電気的に接続する複数の第2のリード線とを形成するステップと、
前記第1のリード線と前記第2のリード線との間に複数の絶縁ブロックを形成することによって前記第1のリード線と前記第2のリード線とを互いに電気的に絶縁するステップと、を含むことを特徴とする請求項1に記載のタッチパネルの製造方法。 - 前記第1の電極ブロック、前記第2の電極ブロック、前記第2のリード線及び前記第1のリード線は、それぞれ温度が摂氏20度から摂氏80度である条件下で形成されることを特徴とする請求項14に記載のタッチパネルの製造方法。
- 前記第1のリード線を形成するステップの後に、さらに焼成ステップを含むことを特徴とする請求項14に記載のタッチパネルの製造方法。
- 前記第1の電極ブロック、前記第2の電極ブロック及び前記第2のリード線を形成するステップの後に、さらに焼成ステップを含むことを特徴とする請求項14に記載のタッチパネルの製造方法。
- 前記焼成の温度は摂氏180度以上摂氏350度以下であることを特徴とする請求項16又は17に記載のタッチパネルの製造方法。
- 前記焼成の温度は摂氏220度以上摂氏240度以下であることを特徴とする請求項16又は17に記載のタッチパネルの製造方法。
- 前記カバープレートに遮蔽層を形成するとともに、前記遮蔽層が前記カバープレートの少なくとも一方側に位置するステップをさらに含むことを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記第1の基板は互いに間隔をおいた複数の領域が区分けされ、ステップS3は、それぞれ前記第1の基板における前記領域に対応する複数のセンシング層を前記バッファ層に同時に形成するステップを含むことを特徴とする請求項1に記載のタッチパネルの製造方法。
- ステップS5の後に、第3の基板を提供するとともに、前記薄膜層が前記バッファ層と前記第3の基板との間に位置するステップをさらに含むことを特徴とする請求項21に記載のタッチパネルの製造方法。
- 前記センシング層にそれぞれ対応する領域を複数の領域に分離するステップと、前記第3の基板を除去するステップと、をさらに含むことを特徴とする請求項22に記載のタッチパネルの製造方法。
- 前記ステップS1は、溶液を前記第1の基板に塗布するステップと、前記溶液を硬化させて前記第1の基板に前記薄膜層を形成するステップと、を含むことを特徴とする請求項1に記載のタッチパネルの製造方法。
- 前記溶液は可溶性ポリイミド及び有機溶剤を含み、又は前記溶液はポリアミック酸及び有機溶剤を含むことを特徴とする請求項24に記載のタッチパネルの製造方法。
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US20150177889A1 (en) | 2015-06-25 |
EP3051392A4 (en) | 2017-06-07 |
CN105975126A (zh) | 2016-09-28 |
US20150090395A1 (en) | 2015-04-02 |
KR101801238B1 (ko) | 2017-11-27 |
TWI536238B (zh) | 2016-06-01 |
EP3051392B1 (en) | 2018-11-14 |
US20150090574A1 (en) | 2015-04-02 |
TW201512956A (zh) | 2015-04-01 |
JP2016532174A (ja) | 2016-10-13 |
JP6165329B2 (ja) | 2017-07-19 |
US9164644B2 (en) | 2015-10-20 |
TW201512937A (zh) | 2015-04-01 |
CN104516576B (zh) | 2016-04-13 |
EP3051391A1 (en) | 2016-08-03 |
EP3051391A4 (en) | 2017-06-14 |
EP3051391B1 (en) | 2020-04-29 |
CN104516576A (zh) | 2015-04-15 |
CN104516577B (zh) | 2016-06-01 |
TWM495563U (zh) | 2015-02-11 |
KR20160042057A (ko) | 2016-04-18 |
CN104516577A (zh) | 2015-04-15 |
TWI550455B (zh) | 2016-09-21 |
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