JP2017111406A - 反射防止光学体の形成方法、ディスプレイパネルおよび光学フィルム - Google Patents
反射防止光学体の形成方法、ディスプレイパネルおよび光学フィルム Download PDFInfo
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- JP2017111406A JP2017111406A JP2015247855A JP2015247855A JP2017111406A JP 2017111406 A JP2017111406 A JP 2017111406A JP 2015247855 A JP2015247855 A JP 2015247855A JP 2015247855 A JP2015247855 A JP 2015247855A JP 2017111406 A JP2017111406 A JP 2017111406A
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Classifications
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Abstract
【解決手段】本発明に係る反射防止光学体16aの形成方法は、被着体11の一面に光硬化性樹脂12を塗布する塗布工程と、一方の面側に微細構造体16が形成された基材フィルム15をライトガイド13により、一方の面に対向する他方の面側から光硬化性樹脂12に押圧する押圧工程と、ライトガイド13により基材フィルム15を押圧した状態でライトガイド13に光を伝播させて光硬化性樹脂12を硬化させる硬化工程と、基材フィルム15の押圧を解除し、硬化した光硬化性樹脂12により被着体11に固着した微細構造体16を、光硬化性樹脂12による固着箇所以外の基材フィルム15上の微細構造体16から分離しながら、基材フィルム15から剥離させることで、被着体11に固着した微細構造体16を反射防止光学体16aとして被着体11に形成する剥離分離工程と、を含む。
【選択図】図1
Description
図1は、本発明の第1の実施形態に係る反射防止光学体の形成方法を示す図である。本実施形態に係る反射防止光学体の形成方法は、塗布工程と、押圧工程と、硬化工程と、剥離分離工程とを含む。
次に、本発明の第2の実施形態に係る反射防止光学体16aの形成方法について説明する。
本実施例では、図2に示す光学フィルム14を用いた。まず、光学フィルム14の製造条件について説明する。
本実施例では、図4に示す微細構造体16の両面に凹凸パターンが形成された光学フィルム14を用いた。本実施例において用いた光学フィルム14の製造方法は、実施例1と概ね同じである。ただし、本実施例では、無機膜22上にUV硬化性樹脂層16pを形成した後、表面が平坦なロール25ではなく、表面に凹凸パターンが形成されたロール26を密着させ、UV硬化性樹脂層16pを硬化させた。微細構造体16の無機膜22と反対側の面に形成された凹凸パターンは、無機膜22側の面に形成された凹凸パターンと同様であり、凹凸ピッチが150nm〜230nmであり、凹部の深さが約250nmである。また、本実施例においても微細構造体16の厚さは約2μmとした。これは、上述したように、微細構造体16の厚さが10μmを超えると、被着体11に固着した微細構造体16を、固着箇所以外の基材フィルム15上の微細構造体16から分離することが困難となるためである。
本実施例では、実施例2と同様の条件により作製した光学フィルム14(微細構造体16の両面に凹凸パターンが形成された光学フィルム14)を用いた。そして、この光学フィルム14を用いて、図1に示す形成方法により、反射防止光学体16aを被着体11に形成した。ただし、本実施例では、図1(b),(c)に示す工程において、ライトガイド13により光学フィルム14を被着体11に押圧する押圧圧力を、実施例2よりも大きくした。すなわち、実施例2においては、ライトガイド13により光学フィルム14を被着体11に押圧する押圧圧力は0.5MPaであったが、本実施例では、ライトガイド13により光学フィルム14を被着体11に押圧する押圧圧力を3.0MPaに変更した。その他の条件は、実施例2と同様である。
本実施例では、図9に示す微細構造体16の上に接着層17が形成された光学フィルム14aを用いた。まず、光学フィルム14aの製造条件について説明する。
次に、比較例1に係る被着体への反射防止光学体の形成方法について説明する。
次に、比較例2に係る被着体への反射防止光学体の形成方法について説明する。
11 被着体
12 UV硬化性樹脂
13 ライトガイド
14,14a 光学フィルム
15 基材フィルム
16 微細構造体
16a 反射防止光学体
16p UV硬化性樹脂層
17 接着層
17p UV硬化性樹脂層1
18 クランプ治具
21 微細凹凸層
21p UV硬化性樹脂層
22 無機膜
23,25,26,28 ロール
24 スパッタターゲット
27 剥離フィルム
Claims (12)
- 反射防止光学体の被着体への形成方法であって、
前記被着体の一面に光硬化性樹脂を塗布する塗布工程と、
一方の面側に微細構造体を備えた基材フィルムを、光を透過するライトガイドにより、前記一方の面に対向する他方の面側から前記光硬化性樹脂に押圧する押圧工程と、
前記ライトガイドにより前記基材フィルムを押圧した状態で前記ライトガイドに光を伝播させて前記光硬化性樹脂を硬化させる硬化工程と、
前記基材フィルムの押圧を解除し、前記硬化した光硬化性樹脂により前記被着体に固着した微細構造体を、前記光硬化性樹脂による固着箇所以外の前記基材フィルム上の微細構造体から分離しながら、前記基材フィルムから剥離させることで、前記被着体に固着した微細構造体を反射防止光学体として前記被着体に形成する剥離分離工程と、を含むことを特徴とする反射防止光学体の形成方法。 - 反射防止光学体の被着体への形成方法であって、
一方の面側に微細構造体を備え、該微細構造体の上に半硬化した光硬化性樹脂層が形成された基材フィルムを、光を透過するライトガイドにより、前記一方の面に対向する他方の面側から前記被着体に押圧する押圧工程と、
前記ライトガイドにより前記基材フィルムを押圧した状態で前記ライトガイドに光を伝播させて前記光硬化性樹脂層を硬化させる硬化工程と、
前記基材フィルムの押圧を解除し、前記硬化した光硬化性樹脂層により前記被着体に固着した微細構造体を、前記光硬化性樹脂層による固着箇所以外の前記基材フィルム上の微細構造体から分離しながら、前記基材フィルムから剥離させることで、前記被着体に固着した微細構造体を反射防止光学体として前記被着体に形成する剥離分離工程と、を含むことを特徴とする反射防止光学体の形成方法。 - 請求項1または2に記載の反射防止光学体の形成方法において、
前記微細構造体は、前記基材フィルム側の一方の面および前記一方の面と対向する他方の面に微細構造が形成されていることを特徴とする形成方法。 - 請求項1から3のいずれか一項に記載の反射防止光学体の形成方法において、
前記基材フィルム上に凹凸パターンを有する微細凹凸層が形成され、
前記微細凹凸層上に無機膜が形成され、
前記無機膜上に前記微細構造体が形成されていることを特徴とする形成方法。 - 請求項1から4のいずれか一項に記載の反射防止光学体の形成方法において、
前記微細構造体は、厚さが10μm以下であり、可視光波長以下のピッチの凹凸パターンを有することを特徴とする形成方法。 - 請求項1から5のいずれか一項に記載の反射防止光学体の形成方法において、
前記被着体に前記基材フィルムを押圧する圧力は、0.5MPa以上であることを特徴とする形成方法。 - 請求項1から6のいずれか一項に記載の反射防止光学体の形成方法において、
前記反射防止光学体は、紫外線透過性を備えることを特徴とする形成方法。 - 請求項1から7のいずれか一項に記載の反射防止光学体の形成方法により、一部分にのみ前記微細構造体が形成されたディスプレイパネル。
- 光硬化性樹脂を塗布した被着体の一面に、光を透過するライトガイドにより押圧され、前記ライトガイドにより押圧された状態で前記ライトガイドに光を伝播させて前記光硬化性樹脂を硬化させることで前記被着体上に微細構造体を形成するための光学フィルムであって、
基材フィルム上に形成され、凹凸パターンを有する微細凹凸層と、
前記微細凹凸層上に形成された微細構造体と、を備えることを特徴とする光学フィルム。 - 被着体の一面に、光を透過するライトガイドにより押圧され、前記ライトガイドにより押圧された状態で前記ライトガイドに光を伝播させて前記被着体の一面に微細構造体を形成するための光学フィルムであって、
基材フィルム上に形成され、凹凸パターンを有する微細凹凸層と、
前記微細凹凸層上に形成された微細構造体と、
前記微細構造体上に形成された、半硬化した光硬化性樹脂からなる光硬化性樹脂層と、を備えることを特徴とする光学フィルム。 - 請求項9または10に記載の光学フィルムにおいて、
前記微細凹凸層と前記微細構造体との間に形成された無機膜をさらに備えることを特徴とする光学フィルム。 - 請求項10または11に記載の光学フィルムにおいて、
前記微細構造体は、前記基材フィルム側の一方の面および前記一方の面と対向する他方の面に微細構造が形成されていることを特徴とする光学フィルム。
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CN109752780B (zh) * | 2018-12-04 | 2020-12-08 | 浙江宝乐维科技有限公司 | 一种镜片贴膜的加工方法 |
TW202133456A (zh) * | 2020-02-13 | 2021-09-01 | 日商索尼半導體解決方案公司 | 顯示裝置、電子機器及顯示裝置之製造方法 |
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HUE053405T2 (hu) | 2021-06-28 |
CN111443405A (zh) | 2020-07-24 |
CN108369292B (zh) | 2020-04-14 |
CN111443405B (zh) | 2023-08-25 |
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US10987884B2 (en) | 2021-04-27 |
EP3809167B1 (en) | 2024-03-06 |
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EP3392682A1 (en) | 2018-10-24 |
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PL3392682T3 (pl) | 2021-05-31 |
WO2017104831A1 (ja) | 2017-06-22 |
KR20180096613A (ko) | 2018-08-29 |
US20190160768A1 (en) | 2019-05-30 |
TW201727270A (zh) | 2017-08-01 |
JP6730803B2 (ja) | 2020-07-29 |
TWI726021B (zh) | 2021-05-01 |
CN108369292A (zh) | 2018-08-03 |
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