KR100352456B1 - 방현필름 및 그 제조방법 - Google Patents
방현필름 및 그 제조방법 Download PDFInfo
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- KR100352456B1 KR100352456B1 KR1020000028721A KR20000028721A KR100352456B1 KR 100352456 B1 KR100352456 B1 KR 100352456B1 KR 1020000028721 A KR1020000028721 A KR 1020000028721A KR 20000028721 A KR20000028721 A KR 20000028721A KR 100352456 B1 KR100352456 B1 KR 100352456B1
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- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
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- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
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- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
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- G02B5/00—Optical elements other than lenses
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Abstract
Description
실시예 | 투광성 미립자소재명입경/굴절율/배합중량부 | 양용매용제명R/배합중량부 | 빈용매용제명R/배합중량부 | 막두께건조온도 |
실시예1 | 폴리스틸렌1.3/1.6/8중량부 | 메틸이소부틸케톤1.6/60중량부 | 이소부타놀0.64/15중량부 | 3㎛50℃ |
실시예2 | 실시예1과 동일 | 실시예1과 동일 | 실시예1와 동일 | 3㎛70℃ |
실시예3 | 실시예1과 동일 | 52.5중량부로 한 이외 실시예1과 동일 | 22.5중량부로 한 이외 실시예1과 동일 | 실시예1과 동일 |
실시예4 | ①폴리스틸렌1.3/1.6/4중량부②동1.5/1.55/4중량부 | 초산n부틸1.0/60중량부 | 이소프로파놀1.5/40중량부 | 3㎛70℃ |
실시예5 | 폴리스틸렌3.5/1.6/12중량부 | 톨루엔2.0/40중량부 | 에타놀1.54/35중량부 | 5㎛80℃ |
실시예6 | 폴리스틸렌5/1.6/8중량부 | 시클로헥사논0.32/65중량부 | 이소프로파놀1.5/35중량부 | 8㎛60℃ |
실시예7 | 폴리스티렌4/1.6/9중량부 | 키실렌0.76/40중량부 | n-부타놀0.47/35중량부 | 8㎛100℃ |
비교예 | 투광성 미립자소재명입경/굴절율/배합중량부 | 양용매용제명R/배합중량부 | 빈용매용제명R/배합중량부 | 막두께건조온도 |
비교예1 | 실시예1과 동일 | 메틸이소부틸케톤1.6/75중량부 | 3㎛70℃ | |
비교예2 | 실시예1과 동일 | 이소부타놀0.64/75중량부 | 3㎛70℃ | |
비교예3 | ① 응집성 실리카1.2/1.45/3중량부② 동1.7/1.45/3중량부 | 톨루엔2.0/75중량부 | 3㎛70℃ | |
비교예4 | 응집성 실리카1.7/1.45/6중량부 | 이소부타놀0.64/75중량부 | 3㎛70℃ | |
비교예5 | 3㎛50℃ |
항목\No. | 실시예1 | 실시예2 | 실시예3 | 실시예4 | 실시예5 | 실시예6 | 실시예7 |
투과율 | 91.2 | 91 | 91.2 | 91.5 | 91 | 91.4 | 91 |
헤이즈 | 13.3 | 15 | 19.3 | 8.6 | 24.7 | 14 | 16 |
내부헤이즈 | 5 | 5 | 5 | 3.5 | 9 | 6 | 6.5 |
면발광 | 10 | 12 | 13 | 14 | 9 | 12 | 11 |
선명도 | 124 | 100 | 80 | 139 | 157 | 95 | 107 |
비침 방지성 | 60 | 53 | 26 | 56 | 36 | 45 | 51 |
R a | 0.174 | 0.185 | 0.197 | 0.167 | 0.186 | 0.230 | 0.191 |
θa | 2.33 | 2.15 | 2.68 | 2.04 | 3.45 | 2.24 | 2.09 |
R z | 1.19 | 1.67 | 2.21 | 1.76 | 2.19 | 2.78 | 1.97 |
R max | 1.31 | 2.14 | 3.14 | 1.83 | 2.31 | 2.93 | 2.46 |
S m | 40.0 | 52.6 | 50.8 | 47.6 | 48.8 | 40 | 55 |
항목\No. | 비교예1 | 비교예2 | 비교예3 | 비교예4 | 비교예5 |
투과율 | 91.7 | 89 | 91.2 | 90.6 | 92.3 |
헤이즈 | 17 | 45 | 11 | 21 | 4.5 |
내부헤이즈 | 15 | 3 | 0.3 | 0.3 | 0 |
면발광 | 9 | 14 | 19 | 14 | 41 |
선명도 | 325 | 15.9 | 40 | 32 | 276 |
비침 방지성 | 87 | 3.5 | 45 | 19 | 80 |
R a | 0.105 | 1.40 | 0.328 | 0.365 | 0.111 |
θa | 0.94 | 5.11 | 2.20 | 3.44 | 1.1 |
R z | 0.38 | 7.72 | 2.93 | 3.01 | 0.64 |
R max | 0.41 | 11.5 | 3.16 | 3.53 | 0.75 |
S m | 131 | 118 | 42.1 | 53.7 | 89.3 |
Claims (9)
- 비응집성의 투광성 미립자가 투광성 수지에 분산된 광확산성 수지막으로 구성되고, 상기 투광성 미립자의 입경이 1.0∼5.0㎛, 상기 투광성 미립자의 광의 굴절율과 상기 투광성 수지의 광의 굴절율과의 차가 0.05∼0.15, 상기 투광성 수지 100중량부에 대한 상기 투광성 미립자의 첨가량이 5∼30중량부 및 상기 광확산성 수지막의 표면거칠기가 중심선 평균거칠기(Ra) 0.12∼0.30 및 10점 평균거칠기 (Rz) 1.0∼2.9인 것을 특징으로 하는 방현필름.
- 제1항에 있어서, 투명기재 상에 상기 광확산성 수지막이 적층되어 있는 것을 특징으로 하는 방현필름.
- 제1항에 있어서, 상기 광확산성 수지막의 두께가 상기 투광성 미립자의 입경의 1∼3배인 것을 특징으로 하는 방현필름.
- 제1항에 있어서, 화상 선명도가 80∼300, 비침 방지성이 5∼70인 것을 특징으로 하는 방현필름.
- 제1항에 있어서, 상기 투광성 수지가 전리방사선 경화성 수지를 경화시킨 것을 특징으로 하는 방현필름.
- 비응집성의 투광성 미립자, 투광성 수지 및 상기 투광성 수지에 대한 양용매 및 빈용매로 이루어지며, 상기 투광성 미립자의 입경이 1.0∼5.0㎛, 상기 투광성 미립자의 광의 굴절율과 상기 투광성 수지의 광의 굴절율과의 차가 0.05∼0.15, 상기 투광성 수지 100중량부에 대한 각 성분의 배합량이 상기 투광성 미립자가 5∼30중량부, 상기 양용매 및 상기 빈용매를 포함한 용매가 20∼1000중량부 및 상기 양용매와 상기 빈용매의 중량부 비가 100/20∼100/70인 도료조성물을 준비하고, 이 조성물을 피도포기재 상에 도포한 후 건조시키며, 상기 투광성 수지에 대한 양용매의 중량비가 감소함으로써 상기 투광성 미립자 및 투광성 수지를 겔화시키면서 고화시켜 도막 표면에 요철을 형성하는 공정을 포함하는 것을 특징으로 하는 방현필름의 제조방법.
- 제6항에 있어서, 광투광성 수지와, 양용매 및 빈용매로서 이하의 조합에 의해 선택된 것:(a) 아크릴레이트 수지와, 아크릴레이트 수지에 대한 양용매로서 톨루엔, 메틸에틸케톤, 초산에틸, 초산n-부틸 또는 시클로헥사논, 및 빈용매로서 메타놀, 에타놀, n-부타놀 또는 이소프로파놀의 조합,(b) 셀룰로오스계 수지와, 셀룰로오스계 수지에 대한 양용매로서 초산에틸, 초산n-부틸, 아세톤 또는 시클로헥사논, 및 빈용매로서 메타놀, 에타놀, n-부타놀 또는 이소프로파놀의 조합,(c) 에폭시 수지와, 에폭시 수지에 대한 양용매로서 메타놀/톨루엔(「/」는 혼합을 의미한다), 에타놀/키실렌, 메틸에틸케톤, 초산에틸, 초산n-부틸 또는 메틸이소부틸케톤, 및 빈용매로서 톨루엔, 키실렌, 시클로헥사논 또는 시클로펜탄의 조합,(d) 요소멜라민 수지와, 요소멜라민 수지에 대한 양용매로서 초산에틸, 초산n-부틸, n-부타놀, n-헥실알콜, 및 빈용매로서 톨루엔 또는 키실렌의 조합, 또는(e) 우레탄 수지와, 우레탄 수지에 대한 양용매로서 초산에틸, 초산n-부틸 또는 메틸에틸케톤, 및 빈용매로서 메타놀 또는 에타놀의 조합을 사용하는 것을 특징으로 하는 방현필름의 제조방법.
- 제 6항에 있어서, 건조를 온도 20∼100℃에서 행하는 것을 특징으로 하는 방현필름의 제조방법.
- 제 6항에 있어서, 상기 투광성 수지가 전리방사선 경화성 수지이고, 도막 표면에 요철을 형성한 후, 전리방사선을 조사하여 상기 도막을 가교경화시키는 것을 특징으로 하는 방현필름의 제조방법.
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-
2000
- 2000-05-24 US US09/576,241 patent/US6696140B2/en not_active Expired - Lifetime
- 2000-05-26 KR KR1020000028721A patent/KR100352456B1/ko active IP Right Grant
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2003
- 2003-12-30 US US10/747,227 patent/US7033638B2/en not_active Expired - Lifetime
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Publication number | Priority date | Publication date | Assignee | Title |
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KR100785380B1 (ko) | 2006-08-31 | 2007-12-18 | 주식회사 두산 | 방현필름의 제조방법 |
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US7033638B2 (en) | 2006-04-25 |
KR20010049433A (ko) | 2001-06-15 |
JP2000338310A (ja) | 2000-12-08 |
US6696140B2 (en) | 2004-02-24 |
JP3515426B2 (ja) | 2004-04-05 |
US20020150722A1 (en) | 2002-10-17 |
US20060159902A1 (en) | 2006-07-20 |
US20040150874A1 (en) | 2004-08-05 |
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