KR101773003B1 - 기재필름을 포함하지 않는 디스플레이 보호필름 - Google Patents
기재필름을 포함하지 않는 디스플레이 보호필름 Download PDFInfo
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- KR101773003B1 KR101773003B1 KR1020170045963A KR20170045963A KR101773003B1 KR 101773003 B1 KR101773003 B1 KR 101773003B1 KR 1020170045963 A KR1020170045963 A KR 1020170045963A KR 20170045963 A KR20170045963 A KR 20170045963A KR 101773003 B1 KR101773003 B1 KR 101773003B1
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Abstract
Description
도 2는 본 발명의 제조공정을 나타낸 도면
도 3은 본 발명의 보호 필름을 부착한 휴대폰의 단면도
| 평가 항목 |
실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 시험 기준 |
| 곡면 유리 테두리 부위 들뜸 현상 |
들뜸 현상 없음 |
들뜸 현상 없음 |
들뜸 현상 없음 |
들뜸 |
들뜸 |
들뜸 |
들뜸 |
들뜸 |
주1) |
| 내충격 시험 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
유리 깨짐 |
유리 깨짐 |
유리 깨짐 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
주2) |
| 표면 스크래치 |
즉시 복원 |
스크래치 발생 없음 |
즉시 복원 |
스크래치 발생 없음 |
스크래치 발생 없음 |
스크래치 발생 없음 |
스크래치 발생 | 스크래치 발생 | 주3) |
| 스타일러스펜 필기눌림 자국 시험 |
즉시 복원 |
즉시 복원 |
필기 복원 속도 다소 느림 | 눌림 자국 없음 | 눌림 자국 없음 | 눌림 자국 없음 | 눌림 자국 복원되지 않음 | 눌림 자국 복원되지 않음 | 주4) |
| 표면 코팅층 물 접촉각 |
95~ 100° |
100~ 110° |
95~ 100° |
100~ 110° |
100~ 110° |
100~ 110° |
95~ 100° |
95~ 100° |
주5) |
| 평가 항목 |
실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 시험 기준 |
| 곡면 유리 테두리 부위 들뜸 현상 |
들뜸 현상 없음 |
들뜸 현상 없음 |
들뜸 현상 없음 |
들뜸 |
들뜸 |
들뜸 |
들뜸 |
들뜸 |
주1) |
| 내충격 시험 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
유리 깨짐 |
유리 깨짐 |
유리 깨짐 |
유리 깨짐현상 없음 |
유리 깨짐현상 없음 |
주2) |
| 표면 스크래치 |
즉시 복원 |
스크래치 발생 없음 |
즉시 복원 |
스크래치 발생 없음 |
스크래치 발생 없음 |
스크래치 발생 없음 |
스크래치 발생 | 스크래치 발생 | 주3) |
| 스타일러스펜 필기눌림 자국 시험 |
즉시 복원 |
즉시 복원 |
필기 복원 속도 다소 느림 | 눌림 자국 없음 | 눌림 자국 없음 | 눌림 자국 없음 | 눌림 자국 복원되지 않음 | 눌림 자국 복원되지 않음 | 주4) |
| 표면 코팅층 물 접촉각 |
95~ 100° |
100~ 110° |
95~ 100° |
100~ 110° |
100~ 110° |
100~ 110° |
95~ 100° |
95~ 100° |
주5) |
20 : 표면 보호 코팅층
30 : 보호 필름
40 : 점착층
50 : 이형 필름
100a : 제1언와인더(1st Unwinder: 제1 이형필름)
200a : 투명코팅층(자외선 경화형 코팅제)
300a : 제2 언와인더(2nd Unwinder : 제2 이형필름)
400a : 자외선 경화 구역(UV ZONE)
500a : 1차 투명코팅 반제품
100 : 제1 언와인더(1st Unwinder: 베이스필름 또는 반제품)
200 : 박리(delamination) 장치(합지된 이형필름을 벗겨내는 장치)
300 : 코팅헤드(코팅액을 일정한 두께로 도포하는 장치, 마이크로그라비아)
400 : 건조 구역(dry zone:건조 및 열경화하는 장치)
500 : 자외선 경화장치
600 : 리와인더 (Rewinder:코팅된 필름이 건조 경화 후 감는 장치)
700 : 제2 언와인더(2nd Unwinder :코팅 후 건조 경화되어 내려오는 필름의 코팅면에 이형필름을 합지하는 장치)
Claims (9)
- 폴리우레탄 아크릴레이트 올리고머 5 내지 50중량부, 아크릴 단량체 1 내지 30중량부, 자외선 비반응성 수지 30 내지 90중량부, 광개시제 0.1 내지 5중량부를 포함하고, 쇼어(shore a)경도 35A내지 75A, 인장강도 0.25 내지 1.5kgf/mm2, 연신율 100 내지 700%를 만족하며, 두께가 50 내지 500㎛, 광선투과율이 90% 이상인 투명코팅층; 및 폴리에스테르 올리고머 100 중량부에 대하여 폴리우레탄 올리고머 30 내지 55 중량부, 이소시아네이트 30 내지 60중량부, 다관능성 아크릴 모노머 1 내지 5중량부, 광반응 개시제인 1-히드록시 시클로헥실페닐 케톤 1 내지 5중량부를 열경화 및 자외선 경화하여 얻은 두께 5 내지 30㎛의 자가 복원층 또는 우레탄 올리고머 10 내지 20중량부, 다관능성 아크릴레이트 모노머로 트리메틸올프로판 트리아크릴레이트 10 내지 30중량부와 퍼플루오로폴리에테르 아크릴레이트 20 내지 40중량부, 광개시제인 1-히드록시시클로헥실 페닐 케톤 3 내지 10중량부로 이루어진 화합물을 광경화하여 얻은 두께 0.1 내지 3㎛의 오염방지 코팅층으로 이루어지는 것을 특징으로 하는 디스플레이 보호필름.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 상기 투명 코팅층의 하면에 5 내지 700gf/in의 점착력을 갖는 두께 3 내지 30㎛의 아크릴계 또는 실리콘계 점착층을 더 포함하는 것을 특징으로 하는 디스플레이 보호필름.
- 제5항에 있어서, 상기 실리콘계 점착층은 폴리디메틸실록산(poly dimethyl siloxane)계 고점착용 실리콘 점착제와 저점착 불소화 실리콘 점착제를 포함하는 것을 특징으로 하는 디스플레이 보호필름.
- 제1항에 있어서, 향료를 각 층의 수지 100중량부에 대하여 0.5중량부 내지 3중량부 포함하는 것을 특징으로 하는 디스플레이 보호필름.
- 제1항에 있어서, PET 필름과 저점착 불소화 실리콘과 실리콘 이형제를 포함하고 1~5gf/in의 점착력을 갖는 점착층으로 이루어진 보호필름을 표면 보호코팅층의 상부에 포함하는 것을 특징으로 하는 디스플레이 보호필름.
- 제5항에 있어서, 상기 점착층의 하부에 박리력 1~10gf/in의 이형필름을 더 포함하는 것을 특징으로 하는 디스플레이 보호필름.
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| KR1020170045963A KR101773003B1 (ko) | 2017-04-10 | 2017-04-10 | 기재필름을 포함하지 않는 디스플레이 보호필름 |
| JP2020504081A JP2020516504A (ja) | 2017-04-10 | 2018-04-05 | 基材フィルムを含まないディスプレイ保護フィルム |
| PCT/KR2018/004000 WO2018190564A1 (ko) | 2017-04-10 | 2018-04-05 | 기재필름을 포함하지 않는 디스플레이 보호필름 |
| US16/603,767 US10844250B2 (en) | 2017-04-10 | 2018-04-05 | Display protecting film without base film |
| CN201880036517.2A CN110691810A (zh) | 2017-04-10 | 2018-04-05 | 不包含基膜的显示屏保护膜 |
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| KR1020170045963A KR101773003B1 (ko) | 2017-04-10 | 2017-04-10 | 기재필름을 포함하지 않는 디스플레이 보호필름 |
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| KR102261882B1 (ko) * | 2020-12-22 | 2021-06-08 | 주식회사 우리옵토 | 가요성 디스플레이 보호시트, 그를 위한 제조장치 및 제조방법 |
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| KR102405784B1 (ko) * | 2021-06-01 | 2022-06-08 | (주)인터코닉스 | 폴더블 디스플레이 보호필름 |
| KR20220108547A (ko) * | 2021-01-27 | 2022-08-03 | 율촌화학 주식회사 | 감압점착제 조성물, 이를 이용한 보호 필름, 및 이를 이용한 보호 필름의 제조 방법 |
| KR20230000620A (ko) * | 2021-06-25 | 2023-01-03 | 티와이코퍼레이션(주) | Oled 패널 제조공정용 보호필름 |
| KR102620650B1 (ko) * | 2023-01-27 | 2024-01-05 | (주)인터코닉스 | 시인성이 우수한 탄성 기재 필름, 이를 포함하는 적층 필름 및 이의 제조방법 |
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| Publication number | Publication date |
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| US10844250B2 (en) | 2020-11-24 |
| CN110691810A (zh) | 2020-01-14 |
| WO2018190564A1 (ko) | 2018-10-18 |
| US20200115592A1 (en) | 2020-04-16 |
| JP2020516504A (ja) | 2020-06-11 |
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