KR102773816B1 - 광학 적층체 및 물품 - Google Patents
광학 적층체 및 물품 Download PDFInfo
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- KR102773816B1 KR102773816B1 KR1020237007301A KR20237007301A KR102773816B1 KR 102773816 B1 KR102773816 B1 KR 102773816B1 KR 1020237007301 A KR1020237007301 A KR 1020237007301A KR 20237007301 A KR20237007301 A KR 20237007301A KR 102773816 B1 KR102773816 B1 KR 102773816B1
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- VIFIHLXNOOCGLJ-UHFFFAOYSA-N trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl)silane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CC[Si](Cl)(Cl)Cl VIFIHLXNOOCGLJ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- 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
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- 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
-
- 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
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Abstract
Description
도 2 는, 실시예 1 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사광의 CIE-Lab 표색계에 있어서의 a* 값 및 b* 값을 나타낸 그래프이다.
도 3 은, 실시예 2 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사광의 CIE-Lab 표색계에 있어서의 a* 값 및 b* 값을 나타낸 그래프이다.
도 4 는, 비교예 1 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사광의 CIE-Lab 표색계에 있어서의 a* 값 및 b* 값을 나타낸 그래프이다.
도 5 는, 비교예 2 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사광의 CIE-Lab 표색계에 있어서의 a* 값 및 b* 값을 나타낸 그래프이다.
도 6 은, 실시예 1 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사율을 나타낸 그래프이다.
도 7 은, 실시예 2 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사율을 나타낸 그래프이다.
도 8 은, 비교예 1 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사율을 나타낸 그래프이다.
도 9 는, 비교예 2 의 광학 적층체의 표면에 대하여, 입사각 5°, 10°, 20°, 30°, 40°및 50°로 표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을 입사시켰을 때의, 반사율을 나타낸 그래프이다.
2 : 투명 기재
3 : 하드 코트층
4 : 광학 기능층
4a : 밀착층
41b : 제 1 고굴절률 재료층
41c : 제 1 저굴절률 재료층
42b : 제 2 고굴절률 재료층
42c : 제 2 저굴절률 재료층
5 : 방오층
Claims (11)
- 플라스틱 필름으로 이루어진 투명 기재와, 광학 기능층과, 방오층이 이 순서로 적층되고,
상기 광학 기능층의 상기 투명 기재 측에는, 고굴절률 재료층으로 이루어진 막두께는 7.5 nm 이상 10 nm 미만인 제 1 고굴절률 재료층이 배치되고,
표준 광원 D65 에 의한 파장 380 nm ∼ 780 nm 의 광을, 표면에 대하여 입사각 5°∼ 50°로 입사시켰을 때의 반사광의 CIE-Lab 표색계에 있어서의 a* 값 및 b* 값이 0 미만이고,
상기 광을 상기 표면에 대하여 입사각 10°, 20°, 30°, 40° 및 50°로 입사시켰을 때의 반사율과, 입사각 5°로 입사시켰을 때의 반사율의 차의 최대값이, 절대값으로 1 % 이하인, 광학 적층체. - 삭제
- 삭제
- 제 1 항에 있어서,
상기 광을 상기 표면에 대하여 입사각 5°∼ 50°로 입사시켰을 때의 상기 반사광은, 하기 식 (1) 로 나타내는 ΔE*ab 가 10 이하의 것인, 광학 적층체.
(식 (1) 중, ΔE*ab 는, 상기 CIE-Lab 표색계에 있어서의 L* 값, 상기 a* 값 및 상기 b* 값의 변화량이다. ΔL* 는, 입사각 10°, 20°, 30°, 40°및 50°로 입사시켰을 때의 상기 반사광의 상기 L* 값과, 입사각 5°로 입사시켰을 때의 상기 반사광의 상기 L* 값의 차의 최대값이다. Δa* 는, 입사각 10°, 20°, 30°, 40°및 50°로 입사시켰을 때의 상기 반사광의 상기 a* 값과, 입사각 5°로 입사시켰을 때의 상기 반사광의 상기 a* 값의 차의 최대값이다. Δb* 는, 입사각 10°, 20°, 30°, 40°및 50°로 입사시켰을 때의 상기 반사광의 상기 b* 값과, 입사각 5°로 입사시켰을 때의 상기 반사광의 상기 b* 값의 차의 최대값이다.) - 제 1 항에 있어서,
상기 광학 기능층이, 저굴절률 재료층과, 상기 저굴절률 재료층보다 고굴절률의 재료로 이루어지는 상기 고굴절률 재료층이 교대로 적층된 적층체로 이루어지고,
상기 적층체의 상기 투명 기재측에는, 상기 고굴절률 재료층으로 이루어지는 상기 제 1 고굴절률 재료층이 배치되고,
상기 제 1 고굴절률 재료층에 접하여 상기 저굴절률 재료층으로 이루어지는 막두께 27 nm ∼ 37 nm 의 제 1 저굴절률 재료층이 배치되고,
상기 적층체의 상기 방오층 측에는, 상기 저굴절률 재료층으로 이루어지는 막두께 85 nm ∼ 103 nm 의 제 2 저굴절률 재료층이 배치되어 있는, 광학 적층체. - 제 5 항에 있어서,
상기 제 1 저굴절률 재료층과 상기 제 2 저굴절률 재료층의 사이에, 고굴절률 재료층으로 이루어지는 막두께 105 nm ∼ 120 nm 의 제 2 고굴절률 재료층이 배치되고,
상기 광학 기능층이, 상기 제 1 고굴절률 재료층과 상기 제 1 저굴절률 재료층과 상기 제 2 고굴절률 재료층과 상기 제 2 저굴절률 재료층의 4 층으로 이루어지는, 광학 적층체. - 제 1 항에 있어서,
상기 투명 기재와 상기 광학 기능층 사이에, 밀착층이 구비되고,
상기 밀착층이, 금속, 합금, 금속 산화물, 금속 불화물, 금속 황화물, 금속 질화물에서 선택되는 어느 1 종 또는 2 종 이상으로 이루어지는, 광학 적층체. - 제 7 항에 있어서,
상기 밀착층이, 산소 결핍 상태에 있는 금속 산화물로 이루어지는, 광학 적층체. - 제 7 항에 있어서,
상기 투명 기재와 상기 밀착층 사이에 하드 코트층을 구비하는, 광학 적층체. - 제 1 항, 제 4 항 내지 제 9 항 중 어느 한 항에 기재된 광학 적층체를 구비하는 것을 특징으로 하는, 물품.
- 제 10 항에 있어서,
상기 광학 적층체가 화상 표시 장치의 표면에 구비되어 있는, 물품.
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