WO2015016631A1 - 편광 필름의 제조 방법, 편광 필름 제조 장치 및 이를 이용하여 제조되는 편광필름 - Google Patents
편광 필름의 제조 방법, 편광 필름 제조 장치 및 이를 이용하여 제조되는 편광필름 Download PDFInfo
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- WO2015016631A1 WO2015016631A1 PCT/KR2014/007041 KR2014007041W WO2015016631A1 WO 2015016631 A1 WO2015016631 A1 WO 2015016631A1 KR 2014007041 W KR2014007041 W KR 2014007041W WO 2015016631 A1 WO2015016631 A1 WO 2015016631A1
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- WIPO (PCT)
- Prior art keywords
- polyvinyl alcohol
- film
- based film
- polarizing film
- chamber
- Prior art date
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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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- 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
- G02B5/3041—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 comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—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 comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- G—PHYSICS
- G02—OPTICS
- 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
- G02F1/00—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
- G02F1/01—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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/125—Process of deposition of the inorganic material
- C23C18/1287—Process of deposition of the inorganic material with flow inducing means, e.g. ultrasonic
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
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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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- 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
Definitions
- the present invention relates to a method for producing a polarizing film, a polarizing film production apparatus, and a polarizing film produced using the same.
- a polarizing sheet or a polarizing film generally has a function of converting natural light into polarized light, and the polarizing function is implemented by a material that is dyed to the polarizing plate.
- an iodine type polarizing film in which iodine is salted is used as a polarizing material in a liquid crystal display, and such an iodine type polarizing film is dyed a polyvinyl alcohol-based film using a dichroic iodine or a dichroic dye, and the like, uniaxial stretching, or the like. It is prepared by orientating in a certain direction by the method of being used in LCDs and the like.
- the iodine type polarizing film is, for example, uniaxially stretched a non-stretched polyvinyl alcohol-based film in an aqueous solution and then immersed in a solution containing iodine and potassium iodide, or a non-stretched polyvinyl alcohol-based film iodine And uniaxially stretching after immersion in a solution containing potassium iodide, or uniaxially stretching a non-stretched polyvinyl alcohol-based film in a solution containing iodine and potassium iodide, or uniaxially stretching the non-stretched polyvinyl alcohol-based film in a dry state.
- the polarizing film may be prepared through a wet dyeing process in which a solution containing iodine and potassium iodide is immersed, or a dry dyeing process in which iodine vapor is shot.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- the inventors of the present application after extensive research and various experiments, the loss of optical properties and surface defects when manufacturing a polarizing film by dyeing a polyvinyl alcohol-based film in a chamber formed with a predetermined spray conditions This was minimized and it was confirmed that the desired effect can be achieved, and the present invention was completed.
- the present invention solved the above problem through the process of dyeing the polyvinyl alcohol-based film in the chamber, the predetermined spray conditions are formed as follows.
- the coating solution containing the component acting as the polarizer may be an aqueous solution containing iodine.
- the coating liquid may be injected into the chamber by any one method selected from spray nozzle spraying, ultrasonic spraying, and ultrasonic spray spraying.
- the spray nozzle spraying method is a method of spraying the coating liquid in the mist state with the expansion force of the external gas through the fine nozzle portion.
- the ultrasonic spraying method is a method of spraying the coating liquid by vibrating with an ultrasonic vibrator and carrying it to a carrier gas like an ultrasonic humidifier.
- the ultrasonic spray injection method is a method of combining an ultrasonic vibrator and a spray nozzle. Specifically, the ultrasonic vibrator is positioned at the tip of the nozzle and the coating liquid flowing around is atomized by ultrasonic vibration, and then discharged through the fine nozzle unit by the carrier gas. In the case of the ultrasonic spray injection method, since the ultrasonic spray can be performed by adjusting the coating size by adjusting the nozzle size, it can be particularly preferably used in the present invention.
- the ultrasonic spraying method and the ultrasonic spraying method may be sprayed while applying the ultrasonic wave of 10 Hz to 100 Hz to the coating liquid, especially in the case of the ultrasonic spray spraying method, 10 Hz to 60 Hz, more specifically 10 Hz to 50 Ultrasound of Hz can be used. If the size of the ultrasonic wave is too small or too large, the effect of applying ultrasonic waves may be deteriorated.
- the spray concentration of the coating liquid in the closed chamber may range from 10 ⁇ 5 mole / liter to 10 ⁇ 1 mole / liter, and more specifically, from 10 ⁇ 4 mole / liter to 10 ⁇ 2 mole / liter. .
- the spray concentration is a condition for dyeing an appropriate amount of the coating liquid on the surface of the polyvinyl alcohol-based film, if the spray concentration of the coating liquid in the chamber is less than this, it is difficult to perform the dyeing process properly, if more than this is excessive polyvinyl alcohol-based It is not preferable because it may be dyed on the surface of the film, and thus may degrade the optical properties.
- the spraying concentration of the coating liquid may be appropriately adjusted according to the number of coating liquid injectors, the spraying speed, the size of the nozzle, and / or the size of ultrasonic waves to be applied.
- the outer surface of the polyvinyl alcohol-based film may be dyed by the coating liquid while the spray concentration condition of the predetermined coating liquid is formed and the polyvinyl alcohol-based film is moved into and out of the chamber by the rotating rollers.
- the number and positions of the rotating rollers in the chamber for moving the polyvinyl alcohol-based film into and out of the chamber are not limited, but as an example, two or more of the rotating rollers may be a top surface and a bottom surface of the polyvinyl alcohol-based film. Can be in contact with each other at the same time.
- the polyvinyl alcohol-based film may move from 0.5 m / min to 40 m / min in the chamber, and in detail, may be deposited while moving from 1 m / min to 20 m / min.
- the moving speed of the polyvinyl alcohol-based film is too slow, an excessive amount of coating liquid may be unevenly dyed to the polyvinyl alcohol-based film, and when the moving speed of the polyvinyl alcohol-based film is too fast, a sufficient amount of the coating liquid may be poly It is not preferable because it cannot be dyed to the surface of the vinyl alcohol-based film.
- the polyvinyl alcohol-based film can be moved in various paths according to the position of the rotating rollers in the chamber, for example, in the group consisting of a linear movement path, V (V) movement path, and U (U) movement path It may be configured to move along one or more movement paths selected.
- the path of movement of the film may also be vertical to prevent condensation of the dye mist on the chamber inner wall and falling onto the film top.
- the coating liquid may be sprayed in the same direction or in the opposite direction to the traveling direction of the polyvinyl alcohol-based film.
- the coating solution may further include a process of stretching the polyvinyl alcohol-based film, and the stretching ratio of the polyvinyl alcohol-based film in the stretching process may be 1.5 to 6 times.
- It provides a polarizing film production apparatus comprising a.
- the coating liquid injector may include an ultrasonic vibrator.
- the polarizing film manufacturing apparatus may further include a blower for circulating the sprayed coating liquid in the chamber.
- the present invention provides a polarizing film, which is produced according to the above production method.
- the polarizing film has a uniformly dyed component acting as a polarizer compared to a polarizing film manufactured by a conventional wet dyeing process or a dry dyeing process, so that the polarization degree is 99.95% or more, in detail, 99.97% or more, and more specifically, May be greater than or equal to 99.99%.
- the present invention provides a polarizing plate prepared by attaching a protective film to the upper and lower surfaces of the polarizing film, respectively.
- the protective film is to protect the surface of the polarizing plate from foreign matters in various assembly processes, and is bonded with a PVA adhesive, and a triacetyl cellulose resin film and a cycloolefin copolymer film are used as the protective film.
- a triacetyl cellulose resin film may be used.
- the triacetyl cellulose resin film and the cycloolefin copolymer film are hydrophobic protective films and are immersed in an alkaline solution (usually a KOH or NaOH solution) to increase adhesion with a hydrophilic adhesive.
- the film surface can be modified to be hydrophilic by introducing -OH groups to the film surface.
- FIG. 1 is a schematic view of a polarizing film manufacturing apparatus according to an embodiment of the present invention.
- FIG. 2 is a schematic plan view showing a method of manufacturing a polarizing film using the polarizing film production apparatus according to FIG. 1;
- FIG. 3 is a schematic plan view showing a method of manufacturing a polarizing film according to another embodiment of the present invention. And;
- FIG. 4 is a schematic plan view showing a method of manufacturing a polarizing film according to another embodiment of the present invention.
- FIG. 1 is a schematic plan view of a polarizing film production apparatus according to the present invention.
- the polarizing film manufacturing apparatus 100 is an inlet 110 for the inlet of the polyvinyl alcohol-based film, outlet 120 for the discharge of the polyvinyl alcohol-based film, polyvinyl alcohol-based Rotating rolls 130 for moving the polyvinyl alcohol-based film while being in contact with one surface of the film, it consists of an ultrasonic vibrator 140 for spraying an iodine solution.
- an aqueous solution containing iodine that acts as a polarizer may be injected into the chamber 101 using the ultrasonic vibrator 140.
- the inlet 110 and the outlet 120 of the chamber 101 exist in a closed state, and the spraying concentration of the coating liquid in the closed chamber is applied to be from 10 ⁇ 5 mole / liter to 10 ⁇ 1 mole / liter.
- the size of the ultrasonic wave and the spray rate can be adjusted appropriately.
- an aqueous solution containing iodine may be injected into the chamber 101 by applying ultrasonic waves of 10 Hz to 100 Hz.
- the number and position of the rotating rolls 130 in the chamber 101 is not limited and may be located in an appropriate space inside the chamber 101 to move the polyvinyl alcohol-based film.
- FIG. 2 is a schematic plan view showing a method of manufacturing a polarizing film using the polarizing film manufacturing apparatus according to FIG. 1.
- an aqueous solution spray condition including iodine formed inside the chamber 101 is provided.
- the surface of the polyvinyl alcohol-based film 150 may be dyed with iodine.
- the rotary rollers 130 may be located at an appropriate place in the space inside the chamber 101 in order to properly move the polyvinyl alcohol-based film 150 in the direction of the arrow, the number and location are not limited. As one example, two or more of the rotating rollers may be in contact with the upper and lower surfaces of the polyvinyl alcohol-based film, respectively.
- the amount of iodine dyed on the surface of the polyvinyl alcohol-based film 150 may be appropriately adjusted by appropriately adjusting the moving speed of the polyvinyl alcohol-based film 150 and the iodine spray rate of the ultrasonic vibrator 140.
- the surface of the polyvinyl alcohol-based film 150 can be uniformly dyed in an appropriate amount of iodine, thereby producing a polarizing plate having excellent optical properties.
- FIG. 3 is a schematic plan view showing a method of manufacturing a polarizing film according to another embodiment of the present invention.
- the polarizing film manufacturing apparatus 200 includes an ultrasonic vibrator 240 and a blower 250 for spraying an iodine aqueous solution.
- the ultrasonic vibrator 240 may be sprayed in the same direction or in the opposite direction to the traveling direction of the polyvinyl alcohol-based film.
- the blower 250 may be positioned to effectively disperse the iodine solution sprayed on the polarizing film manufacturing apparatus. Position and number of the blower 250 and the ultrasonic vibrator 240 is not limited.
- FIG. 4 is a schematic plan view showing a method of manufacturing a polarizing film according to another embodiment of the present invention.
- the polyvinyl alcohol-based film 151 is moving inside the chamber by a mixing path of a linear movement path and a V-ja movement path, and the movement path is limited for effective dyeing of the polyvinyl alcohol-based film 151. There is no
- the polarizing film manufacturing method according to the present invention includes a process of dyeing iodine using an ultrasonic spray process, the use of the iodine dye solution can be significantly lowered compared to the existing process.
- the minimum amount of iodine to exert the polarization characteristics can be uniformly dyed on the polyvinyl alcohol-based surface to minimize the surface defects such as wrinkles can be improved the optical properties of the polarizing film produced accordingly.
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Abstract
Description
Claims (20)
- (a) 편광자로서 작용하는 성분을 포함하는 코팅액을 밀폐된 챔버(chamber) 내로 분사하여 코팅액 분무 조건을 형성하는 과정;(b) 상기 챔버 내로 폴리비닐알코올계 필름을 공급하여, 상기 코팅액에 의해 폴리비닐알코올계 필름의 외면이 염착되는 과정; 및(c) 상기 코팅액이 염착된 폴리비닐알코올계 필름을 챔버 외부로 배출시키는 과정;를 포함하는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 편광자로서 작용하는 성분을 포함하는 코팅액은 요오드를 포함하는 수용액인 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 과정(a)는 스프레이 노즐 분사법, 초음파 분사법, 및 초음파 스프레이 분사법에서 선택되는 어느 하나의 방법으로 코팅액을 분사하는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 3 항에 있어서, 상기 과정(a)는 초음파 스프레이 분사법으로 코팅액을 분사하는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 3 항에 있어서, 상기 초음파는 10 Hz 내지 100 Hz의 초음파를 코팅액에 인가하면서 분사하는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 챔버에서 코팅액의 분무 농도는 10-5 mole/liter 내지 10-1 mole/liter의 범위인 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 폴리비닐알코올계 필름은 회전 롤러들에 의해 챔버의 내부 및 외부로 이동하는 것을 특징으로 편광 필름의 제조 방법.
- 제 7 항에 있어서, 상기 회전 롤러들 중의 두 개 이상은 폴리비닐알코올계 필름의 상면 및 하면에 각각 동시에 접촉하는 것을 특징으로 편광 필름의 제조 방법.
- 제 1 항에 있어서, 상기 폴리비닐알코올계 필름은 챔버 내에서 0.5 m/min 내지 40 m/min로 이동하면서 염착되는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 폴리비닐알코올계 필름은 챔버 내부에서 직선 이동 경로, 브이(V)자 이동 경로, 및 유(U)자 이동 경로로 이루어진 군에서 선택되는 하나 이상의 이동 경로를 따라 이동하도록 구성되어 있는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 코팅액은 폴리비닐알코올계 필름의 진행 방향에 동일한 방향 또는 대향 방향으로 분사되는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 1 항에 있어서, 상기 코팅액이 염착된 폴리비닐알코올계 필름을 연신하는 과정을 추가로 포함하는 것을 특징으로 하는 편광필름의 제조 방법.
- 제 12 항에 있어서, 상기 연신 과정에서 폴리비닐알코올계 필름의 연신 배율은 1.5 내지 6 배인 것을 특징으로 하는 편광필름의 제조 방법.
- (a) 폴리비닐알코올계 필름의 이동을 위한 유입구 및 배출구;(b) 폴리비닐알코올계 필름의 일면에 접촉되면서 폴리비닐알코올계 필름을 이동시키는 둘 이상의 회전롤; 및(c) 폴리비닐알코올계 필름을 염착시키기 위한 코팅액 분사기;를 포함하는 것을 특징으로 하는 편광필름 제조 장치.
- 제 14 항에 있어서, 상기 코팅액 분사기는 초음파 진동자를 포함하는 것을 특징으로 하는 편광필름 제조 장치.
- 제 14 항에 있어서, 분무된 코팅액을 챔버내에서 순환시키기 위한 송풍기를 추가로 포함하는 것을 특징으로 하는 편광필름 제조 장치.
- 제 1 항에 따른 제조 방법에 따라 제조되는 것을 특징으로 하는 편광 필름.
- 제 17 항에 있어서, 상기 편광 필름은 편광도가 99.95% 이상인 것을 특징으로 하는 편광 필름
- 제 17 항에 따른 편광 필름의 상면과 하면에 각각 보호필름을 부착하여 제조되는 것을 특징으로 하는 편광판.
- 제 19 항에 있어서, 상기 보호필름은 트리아세틸 셀룰로오스계 수지(Triacetyl Cellulose) 필름인 것을 특징으로 하는 편광판.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US14/897,620 US10365420B2 (en) | 2013-08-01 | 2014-07-31 | Method for manufacturing polarizing film using ultrasonic vibrator for atomizing coating solution |
JP2016518285A JP6127326B2 (ja) | 2013-08-01 | 2014-07-31 | 偏光フィルムの製造方法、偏光フィルム製造装置及びそれを用いて製造される偏光フィルム |
CN201480032963.8A CN105283784B (zh) | 2013-08-01 | 2014-07-31 | 用于制造偏振膜的方法、偏振膜制造装置和使用其制造的偏振膜 |
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WO2015016631A1 (ko) * | 2013-08-01 | 2015-02-05 | 주식회사 엘지화학 | 편광 필름의 제조 방법, 편광 필름 제조 장치 및 이를 이용하여 제조되는 편광필름 |
CN106232867B (zh) * | 2014-04-18 | 2019-01-08 | 株式会社尼康 | 膜形成设备、基板处理设备和装置制造方法 |
EP3485302A1 (en) | 2016-07-15 | 2019-05-22 | Essilor International | Polarized films with specific light filters |
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- 2014-07-31 CN CN201480032963.8A patent/CN105283784B/zh active Active
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KR20150016143A (ko) | 2015-02-11 |
JP2016521868A (ja) | 2016-07-25 |
US20160139312A1 (en) | 2016-05-19 |
CN105283784B (zh) | 2018-04-17 |
CN105283784A (zh) | 2016-01-27 |
KR101779727B1 (ko) | 2017-09-19 |
JP6127326B2 (ja) | 2017-05-17 |
KR20160140536A (ko) | 2016-12-07 |
US10365420B2 (en) | 2019-07-30 |
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