KR102658722B1 - 편광판 및 이를 포함하는 광학표시장치 - Google Patents
편광판 및 이를 포함하는 광학표시장치 Download PDFInfo
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- KR102658722B1 KR102658722B1 KR1020200158269A KR20200158269A KR102658722B1 KR 102658722 B1 KR102658722 B1 KR 102658722B1 KR 1020200158269 A KR1020200158269 A KR 1020200158269A KR 20200158269 A KR20200158269 A KR 20200158269A KR 102658722 B1 KR102658722 B1 KR 102658722B1
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- 229920006254 polymer film Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- LFULEKSKNZEWOE-UHFFFAOYSA-N propanil Chemical compound CCC(=O)NC1=CC=C(Cl)C(Cl)=C1 LFULEKSKNZEWOE-UHFFFAOYSA-N 0.000 description 1
- 239000002683 reaction inhibitor Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
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- G—PHYSICS
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- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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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
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
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Abstract
Description
실시예 | 비교예 | |||||||
1 | 2 | 3 | 4 | 5 | 1 | 2 | ||
(A) | (A1) | 100 | 100 | 100 | 100 | 100 | 100 | - |
(A2) | - | - | - | - | - | - | 100 | |
(B) | (B1) | 30 | 25 | 20 | 15 | 15 | - | 30 |
(B2) | - | - | - | - | - | 30 | - | |
(C) | (C1) | 1.5 | 1.5 | 1.5 | 1.5 | - | 1.5 | 1.5 |
(C2) | - | - | - | - | 1.5 | - | - | |
(D) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
모듈러스(MPa) | 10 | 15 | 18 | 22 | 22 | 0.1 | 0.01 | |
크랙 | OK | OK | OK | OK | OK | NG | NG | |
광투과율 | 380nm | 0.2 | 0.2 | 0.2 | 0.2 | 1.5 | 0.2 | 0.2 |
405nm | 2.6 | 2.5 | 2.4 | 2.5 | 2.5 | 2.4 | 2.5 | |
택성 | 10 | 9 | 8 | 5 | 5 | 8 | 62 | |
휨 | ○ | ○ | ○ | ○ | ○ | x | ○ |
Claims (20)
- 편광자; 상기 편광자의 상부면에 형성된 보호 코팅층; 상기 편광자의 하부면에 상기 편광자로부터 순차적으로 형성된 보호층 및 점착층을 포함하는 편광판으로서,
상기 보호 코팅층은 열경화형 조성물로 형성되고,
상기 편광판은 상기 보호 코팅층 면에서 마이크로 인덴터로 측정된 모듈러스가 10MPa 내지 40MPa인 것인, 편광판.
- 제1항에 있어서, 상기 보호 코팅층은 상기 편광자의 상부면에 직접적으로 형성된 것인, 편광판.
- 제1항에 있어서, 상기 편광자의 상부면에는 상기 편광자의 보호층으로서 상기 보호 코팅층만이 적층된 것인, 편광판.
- 제1항에 있어서, 상기 열경화형 조성물은 점착 수지, 이소시아네이트계 경화제 및 UV 흡수제를 포함하는 것인, 편광판.
- 제4항에 있어서, 상기 UV 흡수제는 점착 수지 100중량부에 대해 0.1중량부 내지 10중량부로 포함되는 것인, 편광판.
- 제4항에 있어서, 상기 UV 흡수제는 최대흡수파장이 390nm 이상인 것인, 편광판.
- 제4항에 있어서, 상기 UV 흡수제는 인돌계, 트리아진계 중 1종 이상을 포함하는 것인, 편광판.
- 제4항에 있어서, 상기 점착 수지는 알킬기를 갖는 (메트)아크릴계 단량체 및 수산기를 갖는 (메트)아크릴계 단량체를 포함하는 단량체 혼합물로서, 상기 단량체 혼합물에 포함된 단량체 중 적어도 1종 이상은 호모폴리머의 유리전이온도가 50℃ 이상인 단량체를 포함하는 단량체 혼합물의 (메트)아크릴계 공중합체를 포함하는 것인, 편광판.
- 제8항에 있어서, 상기 호모폴리머의 유리전이온도가 50℃ 이상인 단량체는 상기 단량체 혼합물 중 1중량% 내지 60중량%로 포함되는 것인, 편광판.
- 제8항에 있어서, 상기 호모폴리머의 유리전이온도가 50℃ 이상인 단량체는 메틸 메타아크릴레이트, t-부틸 메타아크릴레이트, iso-프로필 메타아크릴레이트, sec-부틸 메타아크릴레이트, 이소보르닐 메타아크릴레이트 중 1종 이상을 포함하는 것인, 편광판.
- 제8항에 있어서, 상기 단량체 혼합물은 상기 알킬기를 갖는 (메트)아크릴계 단량체 85중량% 내지 99.9중량%, 상기 수산기를 갖는 (메트)아크릴계 단량체 0.1중량% 내지 15중량%를 포함하는 것인, 편광판.
- 제8항에 있어서, 상기 단량체 혼합물은 카르복시산기를 갖는 단량체를 더 포함하는 것인, 편광판.
- 제12항에 있어서, 상기 단량체 혼합물은 상기 알킬기를 갖는 (메트)아크릴계 단량체 70중량% 내지 98중량%, 상기 수산기를 갖는 (메트)아크릴계 단량체 0.1중량% 내지 15중량%, 상기 카르복시산기를 갖는 단량체 0.1중량% 내지 15중량%를 포함하는 것인, 편광판.
- 제4항에 있어서, 상기 이소시아네이트계 경화제는 우레탄 결합 및 탄소수가 2개 이상인 알킬렌기 함유 단위 복수 개를 포함하는 폴리이소시아네이트계 경화제를 포함하는 것인, 편광판.
- 제14항에 있어서, 상기 이소시아네이트계 경화제는 하기 화학식 1의 단위를 갖는 복수개 갖는 폴리이소시아네이트 경화제를 포함하는 것인, 편광판:
[화학식 1]
*-R1-O-(C=O)NH-R2-NCO
(상기 화학식 1에서, *은 연결 부위이고,
R1, R2는 동일하거나 다르고, 2가의 탄소수 2 내지 탄소수 20의 지방족 탄화수소기이다).
- 제4항에 있어서, 상기 점착 수지 100중량부, 상기 이소시아네이트계 경화제 10중량부 내지 40중량부, 상기 UV 흡수제 0.1중량부 내지 10중량부를 포함하는 것인, 편광판.
- 제1항에 있어서, 상기 편광판은 파장 380nm 또는 405nm에서 광 투과율이 각각 3% 이하인 것인, 편광판.
- 제1항 내지 제17항 중 어느 한 항의 편광판을 포함하는 광학표시장치.
- 제18항에 있어서, 상기 광학표시장치는 상기 편광판, 상기 편광판의 상부면에 적층된 투명 점착 필름, 상기 편광판의 하부면에 형성된 OLED 패널을 포함하는 것인, 광학표시장치.
- 제19항에 있어서, 상기 투명 점착 필름의 상부면에 커버 글래스가 더 적층된 것인, 광학표시장치.
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