KR102313377B1 - 눈부심 방지 필름 및 디스플레이 장치 - Google Patents
눈부심 방지 필름 및 디스플레이 장치 Download PDFInfo
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- KR102313377B1 KR102313377B1 KR1020180054363A KR20180054363A KR102313377B1 KR 102313377 B1 KR102313377 B1 KR 102313377B1 KR 1020180054363 A KR1020180054363 A KR 1020180054363A KR 20180054363 A KR20180054363 A KR 20180054363A KR 102313377 B1 KR102313377 B1 KR 102313377B1
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Abstract
Description
도2은 비교예3에서 얻어진 하드 코팅층의 평면을 광학현미경으로 확인한 사진을 나타낸 것이다.
실시예1 | 실시예2 | 실시예3 | 비교예1 | 비교예2 | 비교예3 | 비교예4 | |||
제1코팅액 | 바인더 | PETA | 13.854 | 14.200 | 14.200 | 13.828 | 13.828 | 13.828 | 13.854 |
EB-1290 | 13.854 | 14.200 | 14.200 | 13.828 | 13.828 | 13.828 | 13.854 | ||
개시제 | I184 | 2.102 | 2.158 | 2.158 | 2.098 | 2.098 | 2.098 | 2.102 | |
첨가제 | T270 | 0.200 | 0.204 | 0.204 | 0.200 | 0.200 | 0.200 | 0.200 | |
F477 | 0.100 | 0.117 | 0.117 | 0.100 | 0.100 | 0.100 | 0.100 | ||
용매 | MIBK | 40.281 | 41.297 | 41.297 | 20.102 | 40.204 | 40.204 | ||
Ethanol | 20.102 | 40.281 | |||||||
제2코팅액 | 입자희석용매 | n-BA | 20.141 | 20.648 | 20.648 | 20.102 | 20.102 | 20.102 | 20.141 |
무기미립자 | MA-ST(30% in MeOH) | 6.264 | 3.759 | 6.835 | 6.428 | 6.428 | 6.428 | 6.264 | |
유기미립자 | 투입량(size/굴절율) | 3.203 (3.5um/1.555) |
3.417 (3.5um/1.555) |
3.417 (3.5um/1.555) |
3.214 (2um/1.555) |
3.214 (3.5um/1.595) |
3.214 (2um/1.595) |
3.203 (3.5um/1.555) |
|
입자종류 | 68BQ | 68BQ | 68BQ | 67BQ | 90BQ | 112BQ | 68BQ |
실시예1 | 실시예2 | 실시예3 | 비교예1 | 비교예2 | 비교예3 | 비교예4 | |
기재 (위상차 nm) |
SRF PET (>5000) |
SRF PET (>5000) |
SRF PET (>5000) |
SRF PET (>5000) |
SRF PET (>5000) |
SRF PET (>5000) |
SRF PET (>5000) |
구분 | 실시예1 | 실시예2 | 실시예3 | 비교예1 | 비교예2 | 비교예3 | 비교예4 |
하드코팅층의 두께 | 4.8 | 5.5 | 5 | 5.5 | 5.1 | 4.7 | 4.8 |
투광도 | 92.5 | 92.5 | 93.4 | 91.3 | 92.5 | 93 | 92.5 |
내부haze(hi) | 11.5 | 13.6 | 12.6 | 7.9 | 30.5 | 20.8 | 11.5 |
외부haze(Hs) | 9.2 | 9.3 | 9.8 | 13.8 | 9.1 | 8.3 | 9.2 |
hi/Hs | 1.3 | 1.5 | 1.3 | 0.6 | 3.4 | 2.5 | 1.3 |
레인보우 | X | X | X | 중 | X | X | X |
sparkling | 양호 | 양호 | 양호 | 불량 | 양호 | 불량 | 불량 |
상선명도 | 153.1 | 155.5 | 152.3 | 224 | 79.1 | 121.3 | 125.5 |
입자 응집율 | 4.08 | 3.8 | 2.0 | >5 | 1.6 | 7.65 | >5 |
Claims (13)
- 광투과성 기재; 및 바인더 수지와 상기 바인더 수지에 분산된 유기 미립자와 무기 미립자를 포함하는 하드 코팅층;을 포함하고,
상기 하드 코팅층은 서로 응집하는 2이상의 유기 미립자들을 포함하고, 상기 유기 미립자 전체 중 서로 응집하는 2이상의 유기 미립자들의 비율이 4.08% 이하이고,
외부 헤이즈에 대한 내부 헤이즈의 비율이 2.5 이하이고,
상기 외부 헤이즈는 3% 내지 15%이고,
상기 내부 헤이즈는 5% 내지 20%인, 눈부심 방지 필름.
- 제1항에 있어서,
상기 서로 응집하는 2이상의 유기 미립자들 중 서로 이웃하는 2개의 유기 미립자들은 상기 하드 코팅층의 일면으로부터의 상이한 거리에 위치하는,
눈부심 방지 필름.
- 제1항 또는 제2항에 있어서,
상기 서로 응집하는 2이상의 유기 미립자들 중 서로 이웃하는 2개의 유기 미립자들은 상기 하드 코팅층의 일면을 기준으로 두께 방향에 대하여 상이한 위치에서 각각의 광학 현미경 상의 초점을 갖는, 눈부심 방지 필름.
- 제1항 또는 제2항에 있어서,
상기 서로 응집하는 2이상의 유기 미립자들 중 서로 이웃하는 2개의 유기 미립자들은 상기 하드 코팅층의 일면으로부터 0.1㎛ 이상의 거리의 차이를 가지고 위치하는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 눈부심 방지 필름이 갖는 외부 헤이즈에 대한 내부 헤이즈의 비율이 0.8 내지 1.8인, 눈부심 방지 필름.
- 제1항에 있어서,
상기 하드 코팅층은 1㎛ 내지 10㎛의 두께를 갖는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 유기 미립자는 0.5㎛ 내지 6㎛의 직경을 가지며, 550nm의 파장 기준 1.500 내지 1.600의 굴절율을 갖는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 무기 미립자는 0.01㎛ 내지 5㎛ 의 직경을 갖는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 바인더 수지는 비닐계 단량체 또는 (메트)아크릴레이트계 단량체의 중합체 또는 공중합체를 포함하는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 하드 코팅층은 상기 바인더 수지 100중량부 대비 상기 유기 미립자 5 내지 25중량부를 포함하는, 눈부심 방지 필름.
- 제1항에 있어서,
상기 광투과성 기재는 파장 400㎚ 내지 800㎚에서 측정되는 두께 방향의 리타데이션(Rth)이 3,000 ㎚ 이상인 광투과성 기재를 포함하는, 눈부심 방지 필름.
- 제1항의 눈부심 방지 필름을 포함하는 디스플레이 장치.
- 제12항에 있어서,
상기 디스플레이 장치는 노트북용 디스플레이 장치이고,
상기 눈부심 방지 필름은 상기 노트북용 디스플레이 장치의 최외각면에 위치하는, 디스플레이 장치.
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CN (1) | CN111712737B (ko) |
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US20230163265A1 (en) * | 2020-03-05 | 2023-05-25 | Lg Chem, Ltd. | Optical film and micro led display comprising thereof |
US20230117581A1 (en) * | 2020-10-12 | 2023-04-20 | Lg Chem, Ltd. | Antiglare film laminate, polarizing plate, and display device |
KR20240089048A (ko) * | 2021-10-28 | 2024-06-20 | 다이니폰 인사츠 가부시키가이샤 | 방현 필름, 그리고, 그것을 사용한 편광판, 표면판, 화상 표시 패널 및 화상 표시 장치 |
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EP3734332A4 (en) | 2021-02-17 |
JP7134549B2 (ja) | 2022-09-12 |
TWI767118B (zh) | 2022-06-11 |
CN111712737B (zh) | 2022-07-05 |
EP3734332A1 (en) | 2020-11-04 |
CN111712737A (zh) | 2020-09-25 |
WO2019216552A1 (ko) | 2019-11-14 |
US20200400860A1 (en) | 2020-12-24 |
JP2021513109A (ja) | 2021-05-20 |
KR20190129553A (ko) | 2019-11-20 |
TW201947260A (zh) | 2019-12-16 |
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