KR20120114975A - 반사방지 필름 제조용 주형의 제조방법, 및 그 주형을 이용한 반사방지 필름의 제조방법 - Google Patents
반사방지 필름 제조용 주형의 제조방법, 및 그 주형을 이용한 반사방지 필름의 제조방법 Download PDFInfo
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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Abstract
본 발명에 따른 제조방법은 제조공정이 간단하고 제조비용이 저렴하여 경제적일 뿐만 아니라, 상기 주형을 이용하여 제조되는 반사방지 필름은 표면에 미세 요철구조를 가짐에 따라 별도의 코팅층 없이도 가시광 영역에서 점진적 굴절률 변화를 보여 반사방지 효과가 우수한 장점이 있다.
Description
도 2는 본 발명에 따른 반사방지 필름 제조용 수지몰드의 제조방법을 개략적으로 나타낸 공정도이다.
도 3은 본 발명에 따른 반사방지 필름의 제조방법을 개략적으로 나타낸 공정도이다.
도 4는 본 발명의 일 실시예에 따른 주형의 표면을 확대 관찰한 사진이다.
도 5는 본 발명의 실시예 및 비교예에 따른 반사방지 필름의 파장영역 별 반사율을 나타낸 그래프이다.
구 분 | 가시광 파장영역에서의 반사율(%) | |||
400 nm | 500 nm | 600nm | 700 nm | |
실시예 1 | 2.375 | 1.455 | 1.220 | 1.391 |
실시예 2 | 1.397 | 0.559 | 0.286 | 0.447 |
비교예 | 2.309 | 2.127 | 2.102 | 2.208 |
Claims (10)
- 기판 상에 무기물 미세구조 패턴을 형성하는 단계; 및
상기 미세구조 패턴과 접착 가능한 물질을 상기 미세구조 패턴 상에 스퍼터링 증착하여, 상부 선폭이 하부 선폭보다 좁은 형태의 요철구조 패턴을 형성하는 단계
를 포함하는 반사방지 필름 제조용 주형의 제조방법. - 제 1 항에 있어서,
상기 요철구조 패턴의 선폭은 상부에서 하부로 갈수록 연속적으로 점증하는 반사방지 필름 제조용 주형의 제조방법. - 제 1 항에 있어서,
상기 무기물 미세구조 패턴은 포토리소그래피(photolithography), 나노임프린트 리소그래피(nanoimprint lithography) 또는 간섭 리소그래피(interference lithography)에 의해 기판 상에 형성되는 반사방지 필름 제조용 주형의 제조방법. - 제 1 항에 있어서,
상기 미세구조 패턴과 접착 가능한 물질은 실리콘(Si) 또는 알루미늄(Al) 함유 물질을 포함하는 반사방지 필름 제조용 주형의 제조방법. - 제 4 항에 있어서,
상기 미세구조 패턴과 접착 가능한 물질은 산화규소(SiO2 ), 질화규소(SiNx), 산화티타늄(TiO2), 알루미늄(Al) 및 산화알루미늄(Al2O3)으로 이루어진 군에서 선택되는 1종 이상인 반사방지 필름 제조용 주형의 제조방법. - 제 1 항에 있어서,
상기 스퍼터링 증착은 0.3 내지 2.0 Å/sec의 증착속도로 100 내지 1000 초 동안 수행하는 반사방지 필름 제조용 주형의 제조방법. - 제 1 항 내지 제 6 항 중 어느 한 항에 따른 방법으로 제조되는 반사방지 필름 제조용 주형.
- 제 1 항 내지 제 6 항 중 어느 한 항에 따른 방법으로 주형을 형성하는 단계;
상기 주형에 고분자 수지 조성물을 도포하고 경화시켜 수지몰드를 제조하는 단계; 및
상기 수지몰드를 이용하여 상기 주형에 대응하는 요철구조 패턴을 갖는 반사방지 필름을 제조하는 단계
를 포함하는 반사방지 필름의 제조방법. - 제 8 항에 있어서,
상기 수지몰드를 이용하여 상기 주형에 대응하는 요철구조 패턴을 갖는 반사방지 필름을 제조하는 단계는 핫 스탬핑(Hot-stamping), UV 스탬핑(UV-stamping) 또는 롤 엠보싱에 의해 진행되는 반사방지 필름의 제조방법. - 제 8 항에 있어서,
상기 요철구조 패턴은 300 nm 이하의 주기(pitch) 및 200 nm 이하의 선폭을 갖는 반사방지 필름의 제조방법.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140122336A (ko) * | 2013-04-09 | 2014-10-20 | 부산대학교 산학협력단 | 나노 구조체를 갖는 반사방지 필름 및 그 제조방법 |
KR101492503B1 (ko) * | 2013-04-29 | 2015-02-13 | 부산대학교 산학협력단 | 가시광 영역에서 낮은 반사율을 갖는 양면 나노 구조체 |
KR20160141694A (ko) | 2013-12-13 | 2016-12-09 | 주식회사 엘지화학 | 필름의 제조 방법 |
KR20170023396A (ko) * | 2015-08-21 | 2017-03-03 | 주식회사 쎄코 | 플라즈마 에칭을 이용한 반사방지 표면의 제조방법 및 반사방지 표면이 형성된 기판 |
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2011
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140122336A (ko) * | 2013-04-09 | 2014-10-20 | 부산대학교 산학협력단 | 나노 구조체를 갖는 반사방지 필름 및 그 제조방법 |
KR101492503B1 (ko) * | 2013-04-29 | 2015-02-13 | 부산대학교 산학협력단 | 가시광 영역에서 낮은 반사율을 갖는 양면 나노 구조체 |
KR20160141694A (ko) | 2013-12-13 | 2016-12-09 | 주식회사 엘지화학 | 필름의 제조 방법 |
KR20170023396A (ko) * | 2015-08-21 | 2017-03-03 | 주식회사 쎄코 | 플라즈마 에칭을 이용한 반사방지 표면의 제조방법 및 반사방지 표면이 형성된 기판 |
CN107949901A (zh) * | 2015-08-21 | 2018-04-20 | 株式会社世可 | 利用等离子体蚀刻的防反射表面的制造方法及形成防反射表面的基板 |
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