KR101001245B1 - 광학필름, 편광자 보호필름, 이를 이용한 편광판, 및 이를이용한 화상표시장치 - Google Patents
광학필름, 편광자 보호필름, 이를 이용한 편광판, 및 이를이용한 화상표시장치 Download PDFInfo
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- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
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Abstract
Description
반응 투입량 | 중합조건 | ||||||
[톨루엔] /[MMA] (부피비) |
[루이스산] /[MMA] (몰비) |
[개시제] /[MMA] (몰비) |
[MAH] /[MMA] (몰비) |
에틸렌 압력 (bar) |
온도 (℃) |
시간 (h) |
|
비교예 1 | 6 | 0 | 0.002 | 1 | 0 | 65 | 18 |
비교예 2 | 9 | 1 | 0.003 | 0 | 35 | 75 | 18 |
비교예 3 | 9 | 0.2 | 0.003 | 0 | 35 | 75 | 18 |
고분자조성 | 고분자물성 | ||||||
MAH 함량 (몰%) |
MMA 함 량(몰%) |
에틸렌 함량 (몰%) |
Tg (℃) |
Mw | PDI | Td50 (℃) |
|
비교예 1 | 41 | 59 | 0 | 142.4 | 251000 | 2.9 | 370.6 |
비교예 2 | 0 | 80 | 20 | 80 | 49000 | 1.64 | 433 |
비교예 3 | 0 | 90.3 | 9.7 | 111.2 | 71700 | 1.42 | 427 |
반응 투입량 | 중합조건 | ||||||||
용매 종류 | [용매] /[MMA] (부피비) |
루이스산 종류 | [루이스산] /[MMA] (몰비) |
[개시제] /[MMA] (몰비) |
[MAH] /[MMA] (몰비) |
에틸렌 압력 (bar) |
온도 (℃) |
시간 (h) |
|
실시예 1 | 톨루엔 | 10 | 알루미나 | 1 | 0.002 | 0.25 | 35 | 65 | 18 |
실시예 2 | 톨루엔 | 6 | 알루미나 | 1 | 0.002 | 0.25 | 35 | 65 | 18 |
실시예 3 | 톨루엔/THF | 10 | 알루미나 | 1 | 0.002 | 0.25 | 35 | 65 | 18 |
실시예 4 | 헥산 /THF |
10 | 알루미나 | 1 | 0.002 | 0.25 | 35 | 65 | 18 |
실시예 5 | THF | 6 | 산화보론 | 1 | 0.001 | 0.3 | 35 | 70 | 6 |
실시예 6 | THF | 6 | 산화 티타늄 |
1 | 0.001 | 0.3 | 35 | 70 | 6 |
실시예 7 | THF | 6 | 제올라이트 | 1 | 0.001 | 0.5 | 35 | 70 | 6 |
고분자조성 | 고분자물성 | |||||||
MAH함량 (몰%) |
MMA함량 (몰%) |
에틸렌 함량(몰%) |
Tg (℃) |
광투과도 (%T) |
Mw | PDI | Td50 (℃) |
|
실시예 1 | 23 | 62 | 15 | 120.9 | 89 | 303000 | 2.91 | 423.4 |
실시예 2 | 22 | 66 | 12 | 122.8 | 89 | 813000 | 2.93 | 400.7 |
실시예 3 | 19 | 63 | 18 | 118.7 | 90 | 220100 | 2.38 | 430.2 |
실시예 4 | 20 | 65 | 15 | 125.7 | 91 | 456200 | 2.77 | 404 |
실시예 5 | 31 | 50 | 19 | 132.5 | 92 | 173000 | 2.1 | 431 |
실시예 6 | 28 | 51 | 21 | 138.1 | 90 | 196000 | 1.7 | 422 |
실시예 7 | 39 | 47 | 14 | 141.9 | 91 | 181000 | 1.91 | 418 |
반응 투입량 | 중합조건 | |||||||
[THF] /[MMA] (부피비) |
[루이스산] /[MMA] (몰비) |
[개시제] /[MMA] (몰비) |
[MAH] /[MMA] (몰비) |
에틸렌 압력 (bar) |
[제4단량체] /[MMA] (몰비) |
온도 (℃) |
시간 (h) |
|
실시예 8 | 3 | 알루미나 0.5 | 0.001 | 0.3 | 30 | MA 0.1 | 70 | 6 |
실시예 9 | 3 | 알루미나 0.5 | 0.001 | 0.3 | 30 | MA 0.2 | 70 | 6 |
실시예 10 | 3 | 알루미나 0.5 | 0.001 | 0.3 | 30 | EA 0.2 | 70 | 6 |
실시예 11 | 3 | 알루미나 0.5 | 0.001 | 0.3 | 30 | GMA 0.2 | 70 | 6 |
고분자조성 | 고분자물성 | ||||||||
MAH함량 (몰%) |
MMA함량 (몰%) |
에틸렌 함량(몰%) |
제4 단량체 함량(몰%) |
Tg (℃) |
광투과도 (%T) |
Mw | PDI | 필름 특성 |
|
실시예 8 | 28 | 43 | 9 | MA 6 | 132 | 91 | 235000 | 1.8 | 우수 |
실시예 9 | 26 | 47 | 11 | MA 10 | 125 | 91 | 217000 | 1.9 | 우수 |
실시예 10 | 24 | 56 | 10 | EA 10 | 118 | 90 | 251000 | 1.9 | 우수 |
실시예 11 | 27 | 50 | 11 | GMA 12 | 158 | 90 | 313000 | 2.2 | 양호 |
Rin (nm) | Rth (nm) | 광탄성계수 (10-12 m2/N) | 열팽창계수 (ppm/K) | 투습도 (g/(m2 day)) |
|
비교예 2 | 0.3 | 2.5 | -0.7 | 70.3 | 223 |
비교예 3 | 0.4 | 2.0 | -0.5 | 68.6 | 220 |
비교예 4 | 1.0 | -50.0 | 12.7 | 57 | 720 |
실시예 1 | 0.2 | 3.3 | -0.3 | 64.4 | 197 |
실시예 2 | 0.4 | 4.1 | -0.5 | 65.0 | 198 |
실시예 3 | 0.6 | 2.0 | -0.5 | 65.9 | 201 |
실시예 4 | 0.2 | 2.5 | -0.5 | 66.1 | 181 |
실시예 8 | 0.3 | 2.4 | -0.7 | 65.1 | 179 |
실시예 9 | 0.4 | 3.4 | -0.6 | 65.4 | 191 |
실시예 10 | 0.5 | 4.5 | -0.4 | 66.7 | 189 |
사용 보호필름 재료 | 단체투과도 (%) | 직교투과도 (%) |
|
비교예 5 | 비교예 2 | 42.1 | 0.013 |
비교예 6 | 비교예 3 | 42.2 | 0.012 |
비교예 7 | 비교예 4 | 42.4 | 0.011 |
실시예 12 | 실시예 1 | 42.3 | 0.015 |
실시예 13 | 실시예 2 | 42.4 | 0.013 |
실시예 14 | 실시예 3 | 42.4 | 0.014 |
실시예 15 | 실시예 4 | 42.2 | 0.012 |
실시예 16 | 실시예 8 | 42.3 | 0.011 |
실시예 17 | 실시예 9 | 42.1 | 0.013 |
실시예 18 | 실시예 10 | 42.2 | 0.015 |
Claims (22)
- 삭제
- 삭제
- 청구항 3에 있어서, 상기 알켄 단량체는 0.1~30몰%, 상기 아크릴레이트계 단량체는 30~95몰%, 상기 불포화 산 무수물 단량체는 0.1~40몰%인 것인 광학필름.
- 삭제
- 청구항 3에 있어서, 상기 공중합체는 유리 전이 온도가 80~220℃인 것인 광학필름.
- 청구항 3에 있어서, 상기 공중합체는 수평균 분자량이 5,000 내지 400,000 범위이고 중량평균 분자량이 10,000 내지 800,000인 것인 광학필름.
- 청구항 3에 있어서, 상기 공중합체는 초기 중량의 50%가 분해되는 온도(Td50)가 350 내지 550℃인 것인 광학필름.
- 삭제
- 청구항 3에 있어서, 상기 공중합체는 알켄 단량체, 아크릴레이트계 단량체 및 불포화 산 무수물 단량체를 루이스산 또는 금속산화물 존재하에서 라디칼 중합개시제에 의하여 중합시키는 단계를 포함하는 방법에 의하여 제조된 것인 광학필름.
- 청구항 3에 있어서, 상기 아크릴레이트계 단량체는 2종 이상의 아크릴레이트계 단량체를 포함하고, 그 중 1종 이상은 알킬 아크릴레이트계 단량체인 것인 광학필름.
- 청구항 3 내지 5, 7 내지 9 및 11 내지 12 중 어느 하나의 항의 광학필름으로 이루어진 편광자 보호필름.
- 청구항 14에 있어서, 표면 적어도 1면이 접착력 향상 처리된 것인 편광자 보호필름.
- 청구항 15에 있어서, 상기 처리는 코로나 처리, 플라즈마 처리, UV 처리, 프라이머층 형성 중에서 선택되는 1 이상을 포함하는 것인 편광자 보호필름.
- 편광자 및 상기 편광자의 적어도 일면에 구비된 보호필름을 포함하고, 상기 보호필름은 청구항 14에 따른 편광자 보호필름인 것인 편광판.
- 청구항 17에 있어서, 상기 편광자와 보호필름 사이에 접착제층이 구비된 것인 편광판.
- 청구항 17에 있어서, 적어도 하나의 표면에 점착제층을 추가로 구비한 편광판.
- 청구항 17의 편광판에, 위상차판, 광확산판, 시야각 확대판, 휘도 향상판 및 반사판 중에서 선택되는 적어도 하나의 광학층이 적층된 복합 편광판.
- 청구항 17의 편광판을 포함하는 화상표시장치.
- 광원, 제1 편광판, 액정셀, 제2 편광판을 순차적으로 적층된 상태로 포함하고, 상기 제1 편광판 및 제2 편광판 중 적어도 하나는 상기 청구항 17의 편광판인 액정표시장치이고, 이 액정표시장치는 횡전계방식(In-Plane Switching mode; IPS mode), 수직배향방식(Vertically Aligned mode; VA mode), OCB 방식(Optically Compensated Birefringence mode), 비틀린 네마틱(Twisted Nematic mode; TN mode) 또는 FFS(Fringe Field Switching mode; FFS mode) 방식인 것인 화상표시장치.
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KR1020070089138A KR101001245B1 (ko) | 2007-09-03 | 2007-09-03 | 광학필름, 편광자 보호필름, 이를 이용한 편광판, 및 이를이용한 화상표시장치 |
CN200880017555XA CN101720337B (zh) | 2007-05-25 | 2008-05-23 | 光学膜、偏振膜的保护膜,由该保护膜制造的偏振片和使用该偏振片的显示装置 |
US12/451,674 US8242225B2 (en) | 2007-05-25 | 2008-05-23 | Optical film, protection film polarizer film, polarizer plate fabricated thereform, and display device employing therof |
PCT/KR2008/002911 WO2008147081A1 (en) | 2007-05-25 | 2008-05-23 | Optical film, protection film for polarizer film, polarizer plate fabricated therefrom, and display device employing thereof |
JP2010509280A JP2010528336A (ja) | 2007-05-25 | 2008-05-23 | 光学フィルム、偏光子保護フィルム、これを用いた偏光板、およびこれを用いた画像表示装置 |
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