JP6821060B2 - 透明発光素子ディスプレイ用電極基板およびその製造方法 - Google Patents
透明発光素子ディスプレイ用電極基板およびその製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims description 72
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 111
- 239000011889 copper foil Substances 0.000 claims description 111
- 239000010410 layer Substances 0.000 claims description 65
- 239000011342 resin composition Substances 0.000 claims description 61
- 239000012790 adhesive layer Substances 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 8
- 238000011161 development Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000007772 electrode material Substances 0.000 description 6
- 230000003746 surface roughness Effects 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- NWNCIXFIIDVRKE-UHFFFAOYSA-N 3-methyl-2-(4-methylphenyl)morpholine Chemical compound CC1NCCOC1C1=CC=C(C)C=C1 NWNCIXFIIDVRKE-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- SEEVRZDUPHZSOX-WPWMEQJKSA-N [(e)-1-[9-ethyl-6-(2-methylbenzoyl)carbazol-3-yl]ethylideneamino] acetate Chemical compound C=1C=C2N(CC)C3=CC=C(C(\C)=N\OC(C)=O)C=C3C2=CC=1C(=O)C1=CC=CC=C1C SEEVRZDUPHZSOX-WPWMEQJKSA-N 0.000 description 1
- MPIAGWXWVAHQBB-UHFFFAOYSA-N [3-prop-2-enoyloxy-2-[[3-prop-2-enoyloxy-2,2-bis(prop-2-enoyloxymethyl)propoxy]methyl]-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(COC(=O)C=C)(COC(=O)C=C)COCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C MPIAGWXWVAHQBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000007764 slot die coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Description
本出願は、透明発光素子ディスプレイ用電極基板およびその製造方法に関する。
透明基材上に銅箔(copper foil)を貼り合わせるステップと、
前記銅箔をエッチングして、銅箔パターンを形成するステップと、
前記透明基材および銅箔パターン上の全面に透明感光性樹脂層を形成するステップと、
前記銅箔パターン上に備えられた透明感光性樹脂層の少なくとも一部を除去して、銅箔パターンの少なくとも一部を露出させるステップとを含む透明発光素子ディスプレイ用電極基板の製造方法を提供する。
透明基材と、
前記透明基材上に備えられた接着層と、
前記接着層上に備えられた銅箔パターンと、
前記接着層および銅箔パターン上に備えられた透明感光性樹脂組成物層とを含む透明発光素子ディスプレイ用電極基板であり、
前記銅箔パターン上の少なくとも一部の領域には前記透明感光性樹脂組成物層が備えられておらず、
前記透明発光素子ディスプレイ用電極基板の銅箔パターンが備えられていない領域のヘイズが5%以下である透明発光素子ディスプレイ用電極基板を提供する。
本出願において、「透明」とは、可視光線領域(400nm〜700nm)で約80%以上の透過率特性を有することを意味するものとする。
<実施例1>
250μmの厚さのPETフィルム上に、コンマコーターを用いてウレタンアクリル系透明接着剤を塗布した後、100℃で5分間熱風乾燥して、10μmの厚さの接着層を形成した。前記透明接着層が備えられたPETフィルムと3μmの厚さの銅箔とを、120℃、1.4mpm(meter per minute)の条件でホットロール(Hot Roll)貼り合わせた。
実施例1において透明感光性樹脂組成物層を形成しないことを除けば、実施例1と同様に行った。この時、銅箔パターンが備えられていない領域のヘイズは88.4%であった。
20:銅箔
30:銅箔パターン
40:透明感光性樹脂層
50:接着層
60:レジストパターン
Claims (16)
- 透明基材上に銅箔(copper foil)を貼り合わせるステップと、
前記銅箔をエッチングして、銅箔パターンを形成するステップと、
前記透明基材および銅箔パターン上の全面に透明感光性樹脂組成物層を形成するステップと、
前記銅箔パターン上に形成された透明感光性樹脂組成物層の少なくとも一部を除去して、銅箔パターンの少なくとも一部を露出させるステップとを含み、
前記銅箔パターンは、電極パターンおよび電極パッド部パターンを含み、
前記電極パターンの線幅は、3μm〜30μmであり、
前記電極パッド部パターンの線幅は、50μm以上であり、
前記電極パターンは、メタルメッシュパターンを含み、
前記メタルメッシュパターンは、前記電極パッド部パターンを除いた透明基材上の有効画面部の全領域に備えられるものである、透明発光素子ディスプレイ用電極基板の製造方法。 - 前記銅箔の厚さは、2μm〜15μmである、請求項1に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記透明基材上に銅箔を貼り合わせるステップは、接着層を用いるものである、請求項1または2に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記接着層の屈折率は、1.45〜1.55である、請求項3に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記接着層の厚さは、5μm〜30μmである、請求項3に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記透明感光性樹脂組成物層の屈折率は、1.45〜1.55である、請求項1から5のいずれか一項に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記接着層と透明感光性樹脂組成物層との屈折率の差は、0.05以内である、請求項3に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記透明感光性樹脂組成物層と銅箔パターンとの厚さの差は、10μm以内である、請求項1から7のいずれか一項に記載の透明発光素子ディスプレイ用電極基板の製造方法。
- 前記銅箔パターン上に形成された前記透明感光性樹脂組成物層の少なくとも一部を除去するステップは、
前記透明基材の下部面に背面露光および現像するステップを含むものである、請求項1から8のいずれか一項に記載の透明発光素子ディスプレイ用電極基板の製造方法。 - 前記電極パターン上には前記透明感光性樹脂組成物層が備えられ、
前記電極パッド部パターン上の少なくとも一部には前記透明感光性樹脂組成物層が備えられていないものである、請求項1から9のいずれか一項に記載の透明発光素子ディスプレイ用電極基板の製造方法。 - 透明基材と、
前記透明基材上に備えられた接着層と、
前記接着層上に備えられた銅箔パターンと、
前記接着層および銅箔パターン上に備えられた透明感光性樹脂組成物層とを含む透明発光素子ディスプレイ用電極基板であり、
前記銅箔パターン上の少なくとも一部の領域には前記透明感光性樹脂組成物層が備えられておらず、
前記透明発光素子ディスプレイ用電極基板の銅箔パターンが備えられていない領域のヘイズが5%以下であり、
前記銅箔パターンは、電極パターンおよび電極パッド部パターンを含み、
前記電極パターンの線幅は、3μm〜30μmであり、
前記電極パッド部パターンの線幅は、50μm以上であり、
前記電極パターンは、メタルメッシュパターンを含み、
前記メタルメッシュパターンは、前記電極パッド部パターンを除いた透明基材上の有効画面部の全領域に備えられるものである、透明発光素子ディスプレイ用電極基板。 - 前記接着層と前記透明感光性樹脂組成物層との屈折率の差は、0.05以内である、請求項11に記載の透明発光素子ディスプレイ用電極基板。
- 前記透明感光性樹脂組成物層と銅箔パターンとの厚さの差は、10μm以内である、請求項11または12に記載の透明発光素子ディスプレイ用電極基板。
- 前記透明発光素子ディスプレイ用電極基板の銅箔パターンが備えられていない領域のヘイズは、2%以下である、請求項11から13のいずれか一項に記載の透明発光素子ディスプレイ用電極基板。
- 前記電極パターン上には前記透明感光性樹脂組成物層が備えられ、
前記電極パッド部パターン上の少なくとも一部には前記透明感光性樹脂組成物層が備えられていないものである、請求項11から14のいずれか一項に記載の透明発光素子ディスプレイ用電極基板。 - 請求項11から15のいずれか1項に記載の透明発光素子ディスプレイ用電極基板を含む透明発光素子ディスプレイ。
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