KR20170106903A - 반사 방지 필름 및 디스플레이 장치 - Google Patents
반사 방지 필름 및 디스플레이 장치 Download PDFInfo
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Abstract
Description
도 2a는 실시예1의 반사 방지 필름이 설치된 일반 TFT 디스플레이 장치의 단면을 개략적으로 나타낸 것이다.
도 2b는 실시예1의 반사 방지 필름이 설치된 COT 패널 디스플레이 장치의 단면을 개략적으로 나타낸 것이다.
도 3은 실시예 4에서 제조된 반사 방지 필름 표면의 광학현미경 사진(반사모드, 배율: 20 배)이다.
도 4는 비교예 2에서 제조된 반사 방지 필름 표면의 광학현미경 사진(반사모드, 배율: 10 배)이다.
| 제조예 1 |
제조예 2 |
제조예 3 |
제조예 4 |
비교 제조예 1 |
비교 제조예 2 |
비교 제조예 3 |
||
| 바인더 | UA-306T | 4.260 | 4.803 | 5.103 | 4.247 | 4.827 | 4.403 | 4.429 |
| 8BR-500 | 7.999 | 8.937 | 6.241 | 7.964 | 9.007 | 8.176 | 8.226 | |
| TMPTA | 22.129 | 14.180 | 19.720 | 22.302 | ||||
| PETA | 19.806 | 6.241 | 20.126 | 20.248 | ||||
| 개시제 | I184 | 2.045 | 2.536 | 2.696 | 2.036 | 2.302 | 2.264 | 2.278 |
| 레벨링제 | BYK-300 | 0.215 | 0.270 | 0.280 | 0.214 | 0.242 | 0.252 | 0.253 |
| 용매 | IPA | 32.689 | 39.994 | 42.550 | 32.547 | 30.296 | 62.893 | 63.275 |
| EtOH | 32.286 | 20.002 | 21.280 | 32.146 | 30.296 | |||
| 유기 미립자 |
미립자 1 | 0.538 | 0.799 | 0.849 | 0.375 | 0.485 | 0.943 | 1.266 |
| 무기 나노 입자 |
실리카 1 | 0.330 | 0.359 | 0.536 | ||||
| 실리카 2 분산액 |
0.161 | 0.200 | 0.220 | 0.214 | 0.242 | 0.943 | 0.025 | |
| 총합 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | |
| 고형분(wt%) | 35.024 | 40.004 | 36.169 | 35.306 | 39.407 | 37.107 | 36.725 | |
| 바인더 총합 (wt%) | 32.065 | 35.869 | 31.765 | 31.931 | 36.136 | 32.705 | 32.903 | |
| 분산액 내 실리카 2 함량 (g) |
0.048 | 0.060 | 0.066 | 0.064 | 0.073 | 0.283 | 0.008 | |
| 입자 총합 (wt%) | 0.586 | 1.189 | 1.274 | 0.975 | 0.558 | 1.226 | 1.274 | |
| 입자 총중량 대비 실리카 2의 중량 (wt%) |
8.238 | 5.046 | 5.181 | 6.583 | 13.020 | 23.077 | 0.589 | |
| 제조예 5 | 참고제조예 1 | |
| 디펜타에리스리톨 펜타아크릴레이트 | 39 | 42 |
| THRULYA 4320 | 220 | 220 |
| RS907 | 26.7 | 0 |
| EP0408 | 3 | 3 |
| Irgacure-184 | 6 | 6 |
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 참고예 1 | |
| TAC 필름 두께 (㎛) |
60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 |
| 하드 코팅층 조성물 |
제조예 1 | 제조예 2 | 제조예 3 | 제조예 4 | 비교 제조예 1 |
비교 제조예 2 |
비교 제조예 3 |
제조예 2 |
제조예 2 |
| 하드 코팅층 두께 (㎛) |
6 | 6 | 7 | 6.5 | 6 | 6 | 6 | 4 | 6 |
| 저굴절층 조성물 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
참고 제조예 1 |
| 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 |
참고예 1 |
|
| 하드 코팅층 조성물 |
제조예 1 | 제조예 2 | 제조예 3 | 제조예 4 | 비교 제조예 1 |
비교 제조예 2 |
비교 제조예 3 |
제조예 2 |
제조예 2 |
| 하드 코팅층 두께 (㎛) |
6 | 6 | 7 | 6.5 | 6 | 6 | 6 | 4 | 6 |
| 저굴절층 조성물 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
제조예 5 |
참고 제조예 1 |
| 전체 헤이즈 (%) |
2.3 | 2.3 | 2.5 | 2.4 | 2.1 | 2.4 | 2.9 | 2.1 | 2.3 |
| 내부 헤이즈 (%) |
2.2 | 2.1 | 2.4 | 2.3 | 1.6 | 1.7 | 2.1 | 1.6 | 2.1 |
| 외부 헤이즈 (%) |
0.1 | 0.2 | 0.1 | 0.1 | 0.5 | 0.7 | 0.8 | 0.5 | 0.2 |
| 평균 반사율 (%) | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 | 1.5 |
| Rsk | 0.62 | 0.91 | 0.84 | 0.75 | 0.44 | 0.45 | 0.71 | 0.61 | 0.68 |
| 경사각 (˚) |
0.16 | 0.17 | 0.15 | 0.15 | 0.23 | 0.34 | 0.33 | 0.34 | 0.16 |
| 레인보우 존재여부 |
× | × | × | × | ○ | ○ | ○ | ○ | × |
| 내스크래치성 (g) | 350 | 350 | 350 | 350 | 350 | 350 | 350 | 350 | 150 |
Claims (22)
- 하드 코팅층; 및 상기 하드 코팅층에 형성된 저굴절층;을 포함하고,
표면의 요철 형상의 거칠기 왜도(Rsk)가 0.5 초과 5 미만이고, 경사각(Slope angle)이 0.01도 초과 0.2 도 미만인, 반사 방지 필름.
- 제1항에 있어서,
상기 하드 코팅층 표면의 요철 형상의 거칠기 왜도(Rsk) 및 경사각(Slope)은 비접촉 표면형상측정기(3D Optical Profiler)를 이용하여 측정한 결과인, 반사 방지 필름.
- 제1항에 있어서,
상기 반사 방지 필름의 380nm 내지 780nm 파장 영역에서 평균 반사율이 4% 미만인, 반사 방지 필름.
- 제1항에 있어서,
상기 반사 방지 필름의 내부 헤이즈가 0 초과 10% 미만인, 반사 방지 필름.
- 제1항에 있어서,
상기 반사 방지 필름의 외부 헤이즈가 0 초과 0.5% 미만인, 반사 방지 필름.
- 제1항에 있어서,
상기 하드 코팅층은 광중합성 화합물의 (공)중합체를 포함하는 바인더 수지 및 상기 바인더 수지에 분산된 유기 또는 무기 미립자;를 포함하는, 반사 방지 필름.
- 제6항에 있어서,
상기 하드 코팅층은 상기 광중합성 화합물의 (공)중합체 100 중량부 대비 상기 유기 또는 무기 미립자 1 내지 20 중량부를 포함하는, 반사 방지 필름
- 제6항에 있어서,
상기 하드 코팅층은 상기 유기 또는 무기 미립자 및 무기 나노 입자의 총중량을 기준으로 1 nm 내지 50 nm 의 직경을 갖는 무기 나노 입자3 내지 10 중량%를 더 포함하는, 반사 방지 필름.
- 제8항에 있어서,
상기 하드 코팅층은 50 nm 초과 120 nm 이하의 직경을 갖는 무기 나노 입자를 더 포함하는, 반사 방지 필름.
- 제1항에 있어서,
상기 저굴절층은 광중합성 화합물; 광반응성 작용기를 포함한 불소계 화합물; 및 반응성 작용기가 1이상 치환된 폴리실세스퀴옥산(polysilsesquioxane); 간의 가교 중합체를 포함하는 바인더 수지와 상기 바인더 수지에 분산된 무기 미세 입자를 포함하는, 반사 방지 필름.
- 제10항에 있어서,
상기 폴리실세스퀴옥산에 치환되는 반응성 작용기는 알코올, 아민, 카르복실산, 에폭사이드, 이미드, (메타)아크릴레이트, 니트릴, 노보넨, 올레핀, 폴리에틸렌글리콜, 싸이올 및 비닐기로 이루어진 군에서 선택된 1종 이상의 작용기를 포함하는, 반사 방지 필름.
- 제11항에 있어서,
상기 반응성 작용기가 1이상 치환된 폴리실세스퀴옥산은 탄소수 1 내지 30의 직쇄 또는 분지쇄의 알킬기, 탄소수 6 내지 30의 사이클로헥실기 및 탄소수 6 내지 30의 아릴기로 이루어진 군에서 선택된 1종 이상의 미반응성 작용기가 1이상 더 치환되는, 반사 방지 필름.
- 제10항에 있어서,
상기 반응성 작용기가 1이상 치환된 폴리실세스퀴옥산은 반응성 작용기가 1이상 치환되고 케이지(cage)구조를 갖는 다면체 올리고머 실세스퀴옥산(Polyhedral Oligomeric Silsesquioxane)을 포함하는, 반사 방지 필름.
- 제13항에 있어서,
상기 케이지(cage)구조를 갖는 다면체 올리고머 실세스퀴옥산의 실리콘들 중 적어도 1개 이상에는 반응성 작용기가 치환되고 상기 반응성 작용기가 치환되지 않은 나머지 실리콘들에는 비반응성 작용기가 치환되는, 반사 방지 필름.
- 제14항에 있어서,
상기 폴리실세스퀴옥산에 치환된 비작용성 반응기 대비 반응성 작용기의 몰비(molar ratio)가 0.20 이상인, 반사 방지 필름.
- 제10항에 있어서,
상기 광중합성 화합물은 (메타)아크릴레이트 또는 비닐기를 포함하는 단량체 또는 올리고머를 포함하는, 반사 방지 필름.
- 제10항에 있어서,
상기 불소계 화합물에 포함되는 광반응성 작용기는 (메타)아크릴레이트기, 에폭사이드기, 비닐기(Vinyl) 및 싸이올기(Thiol)로 이루어진 군에서 선택된 1종 이상인, 반사 방지 필름.
- 제10항에 있어서,
상기 광반응성 작용기를 포함한 불소계 화합물은 1 중량% 내지 25 중량%의 불소 함량을 갖고,
i) 하나 이상의 광반응성 작용기가 치환되고, 적어도 하나의 탄소에 1이상의 불소가 치환된 지방족 화합물 또는 지방족 고리 화합물; ii) 1 이상의 광반응성 작용기로 치환되고, 적어도 하나의 수소가 불소로 치환되고, 하나 이상의 탄소가 규소로 치환된 헤테로(hetero) 지방족 화합물 또는 헤테로(hetero)지방족 고리 화합물; iii) 하나 이상의 광반응성 작용기가 치환되고, 적어도 하나의 실리콘에 1이상의 불소가 치환된 폴리디알킬실록산계 고분자; 및 iv) 1 이상의 광반응성 작용기로 치환되고 적어도 하나의 수소가 불소로 치환된 폴리에테르 화합물;로 이루어진 군에서 선택된 1종 이상을 포함하는, 반사 방지 필름.
- 제10항에 있어서,
상기 무기 미세 입자는 10 내지 100 nm 의 수평균 입경을 갖는 중공 실리카 입자인, 반사 방지 필름.
- 제10항에 있어서,
상기 저굴절층은 상기 광중합성 화합물 100 중량부에 대하여 상기 광반응성 작용기를 포함한 불소계 화합물 1 내지 75 중량부, 상기 반응성 작용기가 1이상 치환된 폴리실세스퀴옥산(polysilsesquioxane) 0.5 내지 25 중량부 및 상기 무기 미세 입자 10 내지 320 중량부를 포함하는, 반사 방지 필름.
- 제1항에 있어서,
상기 하드 코팅층은 5 ㎛ 초과 10 ㎛ 미만의 두께를 가지며,
상기 저굴절층은 1㎚ 내지 300 ㎚의 두께를 갖는, 반사 방지 필름.
- 제1항 내지 제21항 중 어느 한 항에 따른 반사 방지 필름을 포함하는 디스플레이 장치.
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Also Published As
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| CN108027456A (zh) | 2018-05-11 |
| EP3318904A4 (en) | 2018-10-10 |
| EP3318904A1 (en) | 2018-05-09 |
| KR101951863B1 (ko) | 2019-02-25 |
| WO2017159991A1 (ko) | 2017-09-21 |
| US11112599B2 (en) | 2021-09-07 |
| JP2020079958A (ja) | 2020-05-28 |
| CN108027456B (zh) | 2019-12-06 |
| JP2018533067A (ja) | 2018-11-08 |
| TWI630410B (zh) | 2018-07-21 |
| US20180223113A1 (en) | 2018-08-09 |
| TW201734505A (zh) | 2017-10-01 |
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