JP2021532007A - フォルダブルディスプレイ用保護フィルムおよびこれを含むフォルダブルディスプレイ装置 - Google Patents
フォルダブルディスプレイ用保護フィルムおよびこれを含むフォルダブルディスプレイ装置 Download PDFInfo
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- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
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- B32—LAYERED PRODUCTS
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- G—PHYSICS
- G02—OPTICS
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- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/732—Dimensional properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/206—Organic displays, e.g. OLED
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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Abstract
Description
信越社の粘着剤KR3700に、触媒のCAT−PL−50TをKR3700対比0.5部(part)混合した後、トルエン(toluene)で希釈して固形分25%を作った。そして、信越社の粘着剤KR3704に、触媒のCAT−PL−50TをKR3700対比0.5部(part)混合した後、トルエン(toluene)で希釈して固形分25%を作った。以後、KR3700とKR3704との混合比が20:80となるように撹拌して、最終厚さ25μmとなるようにフッ素離型フィルム上にコーティングした。そして、粘着剤層の上部もフッ素離型フィルムでラミネートした。
2:粘着剤層
3:第2ハードコート層
4:保護基材
5:第1ハードコート層
6:フォルダブルディスプレイ用保護フィルム
10:第1領域
11:第2領域
Claims (14)
- 粘着剤層と、
前記粘着剤層の一面に備えられた保護基材と、
前記保護基材の前記粘着剤層と接する面の反対面に備えられた第1ハードコート層と
を含むフォルダブルディスプレイ用保護フィルムであって、
前記保護基材の厚さは、10μm以上150μm以下であり、
前記粘着剤層の前記保護基材と接する面の反対面をPI基材に対して接合後、23℃、50RH%で測定した粘着力は、10gf/inch以上であるフォルダブルディスプレイ用保護フィルム。 - 前記粘着剤層の厚さは、5μm以上50μm以下である、請求項1に記載のフォルダブルディスプレイ用保護フィルム。
- 前記保護基材は、TPU、GLASS、PET(polyethylene terephthalate)、ポリエステル(polyester)、PC(Polycarbonate)、PI(polyimide)、PEN(polyethylene naphthalate)、PEEK(polyether ether ketone)、PAR(polyarylate)、PCO(polycyclicolefin)、ポリノルボルネン(polynorbornene)、PES(polyethersulphone)、およびCOP(cycloolefin polymer)からなる群より選択されるものである、請求項1または2に記載のフォルダブルディスプレイ用保護フィルム。
- 前記粘着剤層は、アクリル系粘着剤、シリコーン系粘着剤、ウレタン系粘着剤、およびゴム系粘着剤からなる群より選択される1以上の粘着剤を含むものである、請求項1から3のいずれか一項に記載のフォルダブルディスプレイ用保護フィルム。
- 前記第1ハードコート層の厚さは、1μm以上10μm以下である、請求項1から4のいずれか一項に記載のフォルダブルディスプレイ用保護フィルム。
- 前記粘着剤層は、架橋性化合物、分散剤、シランカップリング剤、光硬化剤、熱硬化剤、金属塩、および粘着付与剤からなる群より選択された1つ以上を追加的に含むものである、請求項1から5のいずれか一項に記載のフォルダブルディスプレイ用保護フィルム。
- 前記粘着剤層と前記保護基材との間に第2ハードコート層をさらに含むものである、請求項1から6のいずれか一項に記載のフォルダブルディスプレイ用保護フィルム。
- 前記第2ハードコート層の厚さは、1μm以上10μm以下である、請求項7に記載のフォルダブルディスプレイ用保護フィルム。
- 前記粘着剤層の前記保護基材と接する面の反対面;または前記第1ハードコート層の前記保護基材と接する面の反対面に離型フィルムをさらに含むものである、請求項1から8のいずれか一項に記載のフォルダブルディスプレイ用保護フィルム。
- フォルダブルディスプレイと、
前記フォルダブルディスプレイの一面に備えられた、請求項1〜請求項9のいずれか1項に記載のフォルダブルディスプレイ用保護フィルムと
を含むフォルダブルディスプレイ装置であって、
前記フォルダブルディスプレイ用保護フィルムの前記粘着剤層と前記フォルダブルディスプレイの一面とが接するフォルダブルディスプレイ装置。 - 前記フォルダブルディスプレイは、フレキシブル基材と、
有機発光層と、
偏光板と、
カバーウィンドウとが順次に積層された構造であって、
前記カバーウィンドウの前記偏光板と接する面の反対面に、前記フォルダブルディスプレイ用保護フィルムの前記粘着剤層が備えられる、請求項10に記載のフォルダブルディスプレイ装置。 - 前記フレキシブル基材は、TPU、GLASS、PET(polyethylene terephthalate)、ポリエステル(polyester)、PC(Polycarbonate)、PI(polyimide)、PEN(polyethylene naphthalate)、PEEK(polyether ether ketone)、PAR(polyarylate)、PCO(polycyclicolefin)、ポリノルボルネン(polynorbornene)、PES(polyethersulphone)、およびCOP(cycloolefin polymer)からなる群より選択されるものである、請求項11に記載のフォルダブルディスプレイ装置。
- 前記フォルダブルディスプレイの前記粘着剤層が接する面の反対面は、折り畳み部を有する第1領域と、非折り畳み部を有する第2領域とで備えられ、
前記第1領域は、前記フォルダブルディスプレイの長手方向に配置されるものである、請求項10から12のいずれか一項に記載のフォルダブルディスプレイ装置。 - 前記フォルダブルディスプレイが前記第1領域を基準として折り畳まれる場合、前記第2領域の周縁は、互いに当接するものである、請求項13に記載のフォルダブルディスプレイ装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2018-0120972 | 2018-10-11 | ||
| KR1020180120972A KR102334954B1 (ko) | 2018-10-11 | 2018-10-11 | 폴더블 디스플레이용 보호 필름 및 이를 포함하는 폴더블 디스플레이 장치 |
| PCT/KR2019/013194 WO2020076053A1 (ko) | 2018-10-11 | 2019-10-08 | 폴더블 디스플레이용 보호 필름 및 이를 포함하는 폴더블 디스플레이 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021532007A true JP2021532007A (ja) | 2021-11-25 |
| JP7120518B2 JP7120518B2 (ja) | 2022-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2021504772A Active JP7120518B2 (ja) | 2018-10-11 | 2019-10-08 | フォルダブルディスプレイ用保護フィルムおよびこれを含むフォルダブルディスプレイ装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11796719B2 (ja) |
| EP (1) | EP3865295B1 (ja) |
| JP (1) | JP7120518B2 (ja) |
| KR (1) | KR102334954B1 (ja) |
| CN (1) | CN112533758B (ja) |
| TW (1) | TW202024267A (ja) |
| WO (1) | WO2020076053A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023163145A1 (ja) * | 2022-02-28 | 2023-08-31 | 日東電工株式会社 | Oled表示装置用光学積層体 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7097959B2 (ja) | 2017-10-27 | 2022-07-08 | アプライド マテリアルズ インコーポレイテッド | 可撓性カバーレンズフィルム |
| WO2019217565A1 (en) | 2018-05-10 | 2019-11-14 | Applied Materials, Inc. | Replaceable cover lens for flexible display |
| CN112601835A (zh) | 2018-08-14 | 2021-04-02 | 应用材料公司 | 用于柔性覆盖透镜的多层湿法-干法硬涂层 |
| CN114223025B (zh) | 2019-06-26 | 2024-08-20 | 应用材料公司 | 可折叠显示器的柔性多层覆盖透镜堆叠 |
| KR20220022950A (ko) | 2020-08-19 | 2022-03-02 | 삼성디스플레이 주식회사 | 윈도우 모듈 및 표시 장치의 제조 방법 |
| JP2022085847A (ja) * | 2020-11-27 | 2022-06-08 | 三菱ケミカル株式会社 | フレキシブルディスプレイ用ポリエステルフィルム、フレキシブルディスプレイ用積層フィルム、フレキシブルディスプレイ及びフレキシブルディスプレイ装置 |
| KR20220105255A (ko) | 2021-01-19 | 2022-07-27 | 삼성디스플레이 주식회사 | 지문방지 코팅용 화합물, 이를 포함하는 디스플레이 보호층 및 전자 장치 |
| JP2022113634A (ja) * | 2021-01-25 | 2022-08-04 | 三菱ケミカル株式会社 | フレキシブルディスプレイ用ポリエステルフィルム、フレキシブルディスプレイ用積層フィルム、フレキシブルディスプレイ及びフレキシブルディスプレイ装置 |
| KR102405784B1 (ko) | 2021-06-01 | 2022-06-08 | (주)인터코닉스 | 폴더블 디스플레이 보호필름 |
| WO2023121646A1 (en) * | 2021-12-20 | 2023-06-29 | Applied Materials, Inc. | Improved adhesion layer in flexible coverlens |
| CN114999329B (zh) * | 2022-06-30 | 2023-10-03 | 武汉天马微电子有限公司 | 一种柔性显示模组及其制备方法 |
| WO2024039103A1 (ko) * | 2022-08-16 | 2024-02-22 | 삼성전자 주식회사 | 플렉서블 디스플레이를 포함하는 전자 장치 |
| EP4506928A4 (en) | 2022-08-16 | 2025-08-06 | Samsung Electronics Co Ltd | ELECTRONIC DEVICE COMPRISING A FLEXIBLE SCREEN |
| CN115584219B (zh) * | 2022-10-13 | 2024-01-30 | 昆山国显光电有限公司 | 粘结结构及其制备方法、可折叠显示模组 |
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| US6524675B1 (en) * | 1999-05-13 | 2003-02-25 | 3M Innovative Properties Company | Adhesive-back articles |
| KR100838461B1 (ko) | 2007-01-24 | 2008-06-16 | 율촌화학 주식회사 | 표면 보호 필름 |
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| JP6190520B2 (ja) * | 2014-03-31 | 2017-08-30 | リンテック株式会社 | 保護フィルムおよび保護フィルム付き透明導電膜積層用フィルム |
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- 2019-10-08 WO PCT/KR2019/013194 patent/WO2020076053A1/ko not_active Ceased
- 2019-10-08 CN CN201980051495.1A patent/CN112533758B/zh active Active
- 2019-10-09 TW TW108136575A patent/TW202024267A/zh unknown
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| WO2023163145A1 (ja) * | 2022-02-28 | 2023-08-31 | 日東電工株式会社 | Oled表示装置用光学積層体 |
| JP2023126055A (ja) * | 2022-02-28 | 2023-09-07 | 日東電工株式会社 | Oled表示装置用光学積層体及びoled表示装置 |
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|---|---|
| CN112533758B (zh) | 2022-11-29 |
| US11796719B2 (en) | 2023-10-24 |
| CN112533758A (zh) | 2021-03-19 |
| TW202024267A (zh) | 2020-07-01 |
| KR102334954B1 (ko) | 2021-12-02 |
| EP3865295A4 (en) | 2021-12-01 |
| JP7120518B2 (ja) | 2022-08-17 |
| KR20200041042A (ko) | 2020-04-21 |
| WO2020076053A1 (ko) | 2020-04-16 |
| EP3865295A1 (en) | 2021-08-18 |
| US20210349242A1 (en) | 2021-11-11 |
| EP3865295B1 (en) | 2022-05-25 |
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