JP2017111407A - 反射防止光学体の形成方法およびディスプレイパネル - Google Patents
反射防止光学体の形成方法およびディスプレイパネル Download PDFInfo
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- JP2017111407A JP2017111407A JP2015247857A JP2015247857A JP2017111407A JP 2017111407 A JP2017111407 A JP 2017111407A JP 2015247857 A JP2015247857 A JP 2015247857A JP 2015247857 A JP2015247857 A JP 2015247857A JP 2017111407 A JP2017111407 A JP 2017111407A
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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、エポキシ系接着剤を除く接着剤12を被着体11に塗布する塗布工程と、微細構造体16を一方の面側に備える基材フィルム15を一方の面に対向する他方の面側から被着体11に押圧して接着剤12により被着体11と微細構造体16とを固着する固着工程と、基材フィルム15の押圧を解除し、接着剤12により被着体11に固着した微細構造体16を、接着剤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、を備える。
【選択図】図1
Description
図1は、本発明の一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、固着工程と、剥離分離工程とを含む。
図1(a)に示す塗布工程では、被着体11(ガラス)上にエポキシ系接着剤を除く接着剤12を塗布する。なお、接着剤12の厚さは、15μm以下、望ましくは5μm以下とすることが好ましい。また、保持部材13により光学フィルム14を保持する。光学フィルム14は、基材フィルム15の一方の面側に微細構造体16が形成されており、微細構造体16が形成された一方の面側が被着体11に向くようにして保持される。被着体11への接着剤12の塗布は、反射防止光学体を形成する位置に合わせて接着剤12を付着させることができれば、その方法は特に限定されない。なお、接着剤12としては、シアノアクリレート系接着剤、UV硬化性樹脂(接着剤)、シアノアクリレートUV硬化性接着剤などを用いることができる(追記をお願いします)。
図1を再び参照すると、図1(a)に示す塗布工程の後、図1(b)に示す固着工程では、保持部材13をクランプ治具18により固定し、クランプ治具18を介して、保持部材13により、光学フィルム14を、微細構造体16が形成された一方の面とは反対側の面から、被着体11に塗布された接着剤12に所定時間だけ押圧する。接着剤12は、光学フィルム14により押圧されて被着体11と光学フィルム14との間で押し拡げられ、硬化する。接着剤12の硬化により微細構造体16と被着体11とが固着される。
図1(c)に示す剥離分離工程では、光学フィルム14の押圧を解除して、被着体11から光学フィルム14をリリースすることで、微細構造体16を剥離させる。固着工程により、光学フィルム14に形成された微細構造体16(薄膜光学体層)のうち、接着剤12が存在する領域では、微細構造体16と被着体11とが、硬化した接着剤12により固着される。そして、光学フィルム14をリリースすることで、被着体11と固着された微細構造体16を、接着剤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(分断)しながら、無機膜22との界面を境に剥離させることで、反射防止光学体16aとして被着体11に形成される。なお、図1(c)においては、微細構造体16と被着体11とを固着する硬化した接着剤12については記載を省略している。
図6,7は、本実施形態に係る形成方法による被着体11への反射防止光学体16aの形成状態の一例を示す図である。図6は、図2に示す光学フィルム14(微細構造体16の無機膜22と反対側の面が平坦な光学フィルム14)を用いた例を示している。また、図7は、図4に示す光学フィルム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)を用いた例を示している。
本実施例では、図2に示す構成を有する光学フィルム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。本実施例における光学フィルム14の製造条件は、図5(c)に示すように、UV硬化性樹脂層16pの形成後、表面に凹凸パターンを有するロール26を密着させた点、および、微細構造体16の膜厚を3μmにした点を除いては、第1の実施例と同じである。
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 接着剤
13 保持部材
14 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
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
30 光学フィルム
31,36 基材フィルム
32,37 微細凹凸層
33 プロテクトフィルム
34 粘着フィルム
35 リリースフィルム
38 フィルムモールド
39 硬化性樹脂
39a 反射防止光学体
Claims (7)
- 反射防止光学体の被着体への形成方法であって、
エポキシ系接着剤を除く接着剤を前記被着体に塗布する塗布工程と、
微細構造体を一方の面側に備える基材フィルムを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して前記接着剤により前記被着体と前記微細構造体とを固着する固着工程と、
前記基材フィルムの押圧を解除し、前記接着剤により前記被着体に固着した微細構造体を、前記接着剤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、を備えることを特徴とする反射防止光学体の形成方法。 - 請求項1に記載の反射防止光学体の形成方法において、
前記接着剤は、シアノアクリレート系接着剤、UV硬化性樹脂またはシアノアクリレートUV硬化性接着剤であることを特徴とする形成方法。 - 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、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、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、
前記微細構造体と前記被着体との間の前記接着剤の厚みが15μm以下の状態で、前記被着体と前記微細構造体とを固着させ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より形成され、接着剤により固着された微細構造体を有することを特徴とするディスプレイパネル。
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JP2015247857A JP6623058B2 (ja) | 2015-12-18 | 2015-12-18 | 反射防止光学体の形成方法およびディスプレイパネル |
TW105141724A TWI725088B (zh) | 2015-12-18 | 2016-12-16 | 防反射光學體的形成方法 |
KR1020187017150A KR102633878B1 (ko) | 2015-12-18 | 2016-12-16 | 반사 방지 광학체의 형성 방법 및 디스플레이 패널 |
EP16875808.4A EP3392683B1 (en) | 2015-12-18 | 2016-12-16 | Method of forming antireflection optical body, and display panel |
PL21161468.0T PL3869242T3 (pl) | 2015-12-18 | 2016-12-16 | Warstewka optyczna i antyrefleksyjny obiekt optyczny |
CN202010030839.5A CN111114033B (zh) | 2015-12-18 | 2016-12-16 | 显示面板 |
US16/062,818 US11110673B2 (en) | 2015-12-18 | 2016-12-16 | Method of forming antireflection optical body, and display panel |
CN201680074464.4A CN108369294B (zh) | 2015-12-18 | 2016-12-16 | 防反射光学体的形成方法及显示面板 |
PL16875808.4T PL3392683T3 (pl) | 2015-12-18 | 2016-12-16 | Sposób tworzenia przeciwodblaskowego obiektu optycznego, oraz panel wyświetlacza |
HUE16875808A HUE055531T2 (hu) | 2015-12-18 | 2016-12-16 | Eljárás tükrözésgátló optikai test kialakítására, és kijelzõ tábla |
EP21161468.0A EP3869242B1 (en) | 2015-12-18 | 2016-12-16 | Optical film and antireflection optical body |
TW110110128A TWI782451B (zh) | 2015-12-18 | 2016-12-16 | 顯示面板 |
PCT/JP2016/087648 WO2017104834A1 (ja) | 2015-12-18 | 2016-12-16 | 反射防止光学体の形成方法およびディスプレイパネル |
US17/151,660 US20210129468A1 (en) | 2015-12-18 | 2021-01-19 | Method of forming antireflection optical body, and display panel |
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WO2018034290A1 (ja) * | 2016-08-18 | 2018-02-22 | 旭硝子株式会社 | 積層体、電子デバイスの製造方法、積層体の製造方法 |
KR102638360B1 (ko) * | 2017-07-03 | 2024-02-19 | 데쿠세리아루즈 가부시키가이샤 | 미세 요철 적층체 및 그 제조 방법, 그리고, 카메라 모듈 탑재 장치 |
JP2021056305A (ja) * | 2019-09-27 | 2021-04-08 | デクセリアルズ株式会社 | 反射防止構造体、反射防止構造体付き基材、カメラモジュール及び情報端末機器 |
JP2021162728A (ja) * | 2020-03-31 | 2021-10-11 | デクセリアルズ株式会社 | 光学体、光学体の製造方法及び光学デバイス |
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PL3392683T3 (pl) | 2023-06-12 |
TWI782451B (zh) | 2022-11-01 |
US11110673B2 (en) | 2021-09-07 |
EP3392683A1 (en) | 2018-10-24 |
TW202127064A (zh) | 2021-07-16 |
TW201732318A (zh) | 2017-09-16 |
EP3392683A4 (en) | 2019-09-11 |
CN111114033B (zh) | 2022-07-12 |
EP3869242B1 (en) | 2023-02-08 |
PL3869242T3 (pl) | 2023-07-03 |
KR102633878B1 (ko) | 2024-02-05 |
US20190160767A1 (en) | 2019-05-30 |
CN108369294B (zh) | 2020-02-11 |
JP6623058B2 (ja) | 2019-12-18 |
US20210129468A1 (en) | 2021-05-06 |
EP3392683B1 (en) | 2021-05-12 |
EP3869242A1 (en) | 2021-08-25 |
TWI725088B (zh) | 2021-04-21 |
WO2017104834A1 (ja) | 2017-06-22 |
CN108369294A (zh) | 2018-08-03 |
CN111114033A (zh) | 2020-05-08 |
KR20180095821A (ko) | 2018-08-28 |
HUE055531T2 (hu) | 2021-12-28 |
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