KR20120122458A - Surface protection film for liquid crystal display of handheld terminal and Manufacturing method thereof - Google Patents

Surface protection film for liquid crystal display of handheld terminal and Manufacturing method thereof Download PDF

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Publication number
KR20120122458A
KR20120122458A KR1020110040622A KR20110040622A KR20120122458A KR 20120122458 A KR20120122458 A KR 20120122458A KR 1020110040622 A KR1020110040622 A KR 1020110040622A KR 20110040622 A KR20110040622 A KR 20110040622A KR 20120122458 A KR20120122458 A KR 20120122458A
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KR
South Korea
Prior art keywords
adhesive layer
protective film
weight
parts
film
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KR1020110040622A
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Korean (ko)
Inventor
차민호
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엔플러스 주식회사
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Priority to KR1020110040622A priority Critical patent/KR20120122458A/en
Publication of KR20120122458A publication Critical patent/KR20120122458A/en

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    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • 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
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • B32B2457/202—LCD, i.e. liquid crystal displays
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The present invention relates to a portable terminal LCD protective film, the base film 300; A multifunctional coating layer 400 disposed on an upper surface of the base film 300; A first pressure sensitive adhesive layer 200 positioned on a bottom surface of the base film 300; And a release film 100 positioned on the bottom surface of the first pressure sensitive adhesive layer 200; It is made, including the scratch resistance as well as the diffuse reflection effect, anti-fingerprint effect, antibacterial effect, the smell is excellent, there is an advantage that bubbles are suppressed when attached to the LCD screen, there is an advantage that easy to detach.

Description

Surface protection film for liquid crystal display of handheld terminal and Manufacturing method

The present invention relates to a portable terminal liquid crystal protective film and a method for manufacturing the same, and more particularly, to a portable terminal liquid crystal protective film excellent in scratch resistance, anti-reflective effect, anti-fingerprint effect, antimicrobial effect and odor effect and a manufacturing method thereof. will be.

Protecting LCD screens from contaminants or scratches on mobile devices such as mobile phones, smartphones, personal digital assistants (PDAs), portable multimedia players (PMPs), and laptops In order to attach the LCD protective film to the LCD screen is a trend to use.

Korean Patent Registration No. 10-0810599 (2008.03.06.) Discloses a transparent panel protective film for a display panel, and Korean Patent Publication No. 10-2010-0107652 (2010.10.06.) A portable information terminal protective film is disclosed. Is disclosed.

Although the transparent panel protective film and the portable information terminal protective film have excellent functions of protecting the LCD screen from scratches, they do not have diffuse reflection, anti-fingerprint, antibacterial and fragrance functions.

The present inventors have developed a liquid crystal protective film of a portable terminal excellent in scratch resistance as well as diffuse reflection effect, anti-fingerprint effect, antibacterial effect and fragrance effect.

KR 10-0810599 (registration number) 2008.03.06. KR 10-2010-0107652 (publication number) 2010.10.06.

It is an object of the present invention to provide a liquid crystal protective film of a portable terminal excellent in scratch resistance as well as diffuse reflection effect, anti-fingerprint effect, antibacterial effect and odor effect and a manufacturing method thereof.

In order to achieve the above object, the present invention provides the following means.

The present invention, the base film 300; A multifunctional coating layer 400 disposed on an upper surface of the base film 300; A first pressure sensitive adhesive layer 200 positioned on a bottom surface of the base film 300; And a release film 100 positioned on the bottom surface of the first pressure sensitive adhesive layer 200; It provides a portable terminal LCD protective film comprising a.

The multi-functional coating layer 400 is characterized by consisting of 0.01 to 40 parts by weight of beads, 0.001 to 30 parts by weight of antibacterial agent and 0.0001 to 10 parts by weight of fragrance based on 100 parts by weight of the binder resin.

The beads (Bead) using any one selected from the group consisting of ceramic glass beads, urethane beads, nylon beads, polymethyl methacrylate (PMMA) beads and polyethylene (PE) wax beads,

The antimicrobial agent is any one selected from the group consisting of silver (Ag), copper (Cu), titanium dioxide (TiO 2 ) and zinc oxide (ZnO 2 ),

The fragrance is characterized by using any one selected from the group consisting of orange, pine, cinnamon, rose and herb fragrance.

A second pressure sensitive adhesive layer 500 positioned on an upper surface of the multifunctional coating layer 400; And a protective film 600 positioned on an upper surface of the second pressure sensitive adhesive layer 500.

In another aspect, the present invention, the step of forming the base film 300 (step 1); Forming a multifunctional coating layer 400 by coating a multifunctional coating solution on an upper surface of the base film 300 (step 2); Forming a first pressure sensitive adhesive layer 200 by applying a first pressure sensitive adhesive on a lower surface of the base film 300 (step 3); And forming a release film 100 on the lower surface of the first pressure sensitive adhesive layer 200 (step 4); It provides a method of manufacturing a portable terminal LCD protective film comprising a.

In the step 2, the multi-functional coating liquid is dispersed in 0.01 to 40 parts by weight of beads, 0.001 to 30 parts by weight of antimicrobial agent and 0.0001 to 10 parts by weight of fragrance to make a multifunctional powder, the multifunctional powder It is characterized by producing by mixing 0.1 to 50 parts by weight of the solvent with respect to 100 parts by weight.

The thickness of the base film 300 is 12 ~ 300㎛, the thickness of the multi-functional coating layer 400 is 0.1 ~ 30㎛, the thickness of the first pressure-sensitive adhesive layer 200 is 0.5 ~ 50㎛, the release The thickness of the film 100 is characterized in that 12 ~ 500㎛.

After the step 4, to form a second pressure-sensitive adhesive layer 500 by applying a second pressure-sensitive adhesive on the upper surface of the multi-functional coating layer 400 (step 5); And laminating the protective film 600 on the upper surface of the second pressure sensitive adhesive layer 500 (step 6).

The portable terminal LCD protective film according to the present invention has excellent scratch resistance as well as an diffuse reflection effect, an anti-fingerprint effect, an antibacterial effect, and an odor effect. In addition, the portable terminal LCD protective film of the present invention has the advantage that bubbles are suppressed when attached to the LCD screen, easy to detach.

1 is a cross-sectional view of a portable terminal LCD protective film according to the present invention.

Hereinafter, the present invention will be described in detail.

1 is a cross-sectional view of a portable terminal LCD protective film according to the present invention.

First, the portable terminal LCD protective film of the present invention will be described with reference to FIG. 1.

The portable terminal LCD protective film of the present invention includes a base film 300, a multifunctional coating layer 400 positioned on an upper surface of the base film 300, and a first adhesive layer 200 positioned on a lower surface of the base film 300. ) And a release film 100 positioned on a lower surface of the first adhesive layer 200.

The base film 300 is a transparent material, polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene (PE), polypropylene (Polypropylene; PP), polyamide (PA), polyethylene naphthalate (PEN) and polyimide (PI) can be used any one selected from the group consisting of, preferably polyethylene terephthalate ( PET) can be used. The thickness of the base film 300 is preferably 12 ~ 300㎛.

The multi-functional coating layer 400 is a layer for protecting the LCD screen of the mobile terminal, is included to provide not only scratch resistance but also diffuse reflection effect, anti-fingerprint effect, antimicrobial effect and fragrance effect, the multi-functional coating layer 400 ), The thickness is preferably 0.1 to 30 µm.

The multifunctional coating layer 400 is made by mixing 0.01 to 40 parts by weight of beads, 0.001 to 30 parts by weight of antibacterial agent and 0.0001 to 10 parts by weight of fragrance based on 100 parts by weight of the binder resin.

The binder resin is an oligomer or epoxy based urethane, urethane, polyester, at least one selected from the group consisting of Aliphatic Urethane Acrylate, Aromatic Urethane Acrylate, Epoxy Acrylate, Epoxy Methacrylate and Polyester Acrylate resin. Any one of the thermosetting binder resins selected from the group consisting of acrulic and Alkid resins can be used.

The beads serve as diffuse reflection and anti-fingerprint, and any one selected from the group consisting of ceramic glass beads, urethane beads, nylon beads, polymethyl methacrylate (PMMA) beads, and polyethylene (PE) wax beads can be used. If less than 0.01 part by weight based on 100 parts by weight of the binder resin may be a problem that the fingerprint effect is insufficient, and when included more than 40 parts by weight may weaken the adhesion of the film.

The ceramic glass beads may use any one of SiO 2 , TiO 2 , ZrO 2 , ZnO 2 , ATO, or MgO.

The particle size of the beads is preferably 0.1 ~ 300㎛.

The antimicrobial agent may be any one selected from the group consisting of silver (Ag), copper (Cu), titanium dioxide (TiO 2 ), and zinc oxide (ZnO 2 ), and may contain less than 0.001 part by weight based on 100 parts by weight of the binder resin. If there is a problem that the antimicrobial effect is insufficient, when included in more than 30 parts by weight due to the increase in viscosity is insufficient adhesion, the coating surface may not be smooth.

The fragrance is included in order to produce the effect of the odor, it can be used any one selected from the group consisting of orange, pine, cinnamon, rose and herb flavor, less than 0.0001 parts by weight based on 100 parts by weight of the binder resin If included, there is a problem that the fragrance effect is insufficient, if included more than 10 parts by weight may be an unpleasant smell due to excessive fragrance, the coating surface may not be smooth.

As for the particle size of the said fragrance | flavor, 0.01-300 micrometers is preferable.

The first pressure-sensitive adhesive layer 200 is a layer for attaching the LCD protective film to the LCD screen, it may be any one of silicon, acrylic or urethane. It is preferable that the thickness of the said 1st adhesive layer 200 is 0.5-50 micrometers.

The release film 100 should protect the first pressure sensitive adhesive layer 200 and easily release from the first pressure sensitive adhesive layer 200. After the release film 100 is separated from the first pressure sensitive adhesive layer 200, the first pressure sensitive adhesive layer 200 may be pasted onto a liquid crystal display. The release film 100 is made of polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene (PE), polypropylene (PP), polyamide (PA), polyethylene naphthalate (PEN), and polyimide (PI). Any one selected from the group consisting of may be used, and the thickness of the release film 100 is preferably 12 to 500 μm.

In addition, the portable terminal LCD protective film of the present invention is a protective film 600 located on the upper surface of the second pressure-sensitive adhesive layer 500 and the second pressure-sensitive adhesive layer 500 located on the multi-functional coating layer 400. It may further include.

The protective film 600 is a film for protecting the multi-functional coating layer 400, the thickness of the protective film 600 is preferably 12 ~ 500㎛. Since the protective film 600 is for protecting the multi-functional coating layer 400 in the distribution step, after removing the protective film 600 after attaching the first pressure-sensitive adhesive layer 200 on the liquid crystal display and the The multifunctional coating layer 400 may be exposed and used. The protective film 600 is made of polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene (PE), polypropylene (PP), polyamide (PA), polyethylene naphthalate (PEN), and polyimide (PI). Any one selected from the group consisting of can be used.

The second pressure-sensitive adhesive layer 500 is a layer for bonding the multifunctional coating layer 400 and the protective film 600, it may be any one of silicone, acrylic or urethane. It is preferable that the thickness of the said 2nd adhesive layer 500 is 0.5-50 micrometers.

The following describes a method for manufacturing a portable terminal LCD protective film according to the present invention.

The manufacturing method of the portable terminal LCD protective film of the present invention,

Forming a base film 300 (step 1);

Forming a multifunctional coating layer 400 by coating a multifunctional coating solution on an upper surface of the base film 300 (step 2);

Forming a first pressure sensitive adhesive layer 200 by applying a first pressure sensitive adhesive on a lower surface of the base film 300 (step 3); And

Forming a release film 100 on a lower surface of the first adhesive layer 200 (step 4);

.

In the step 1, the base film 300 is a transparent material, polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene (Polyethylene); Any one selected from the group consisting of PE), polypropylene (PP), polyamide (PA), polyethylene naphthalate (PEN), and polyimide (PI) may be used. Polyethylene terephthalate (PET) may be used. The thickness of the base film 300 is preferably 12 ~ 300㎛, when the thickness of the film is thinner than 12㎛ there is a problem that the function of protecting the liquid is reduced, if the thickness is greater than 300㎛ coating workability may be deteriorated have.

In the step 2, the multi-functional coating liquid is dispersed in 0.01 to 40 parts by weight of beads, 0.001 to 30 parts by weight of antimicrobial agent and 0.0001 to 10 parts by weight of fragrance to make a multifunctional powder, the multifunctional powder It is prepared by mixing 0.1 to 50 parts by weight of the solvent with respect to 100 parts by weight.

The solvent is used for the purpose of decreasing the viscosity for coating by diluting the multifunctional powder, and selected from the group consisting of methyl ethyl ketone, toluene, ethyl acetate, butyl acetate, propylene glycol mono methyl ether and cellulsolve solvents. You can use one.

Preferably, the thickness of the multifunctional coating layer 400 is 0.1 to 30 μm, and when the coating is thinner than 0.1 μm, the anti-fingerprint effect, scratch resistance, fragrance effect and antibacterial effect may be insufficient, and the coating may be thicker than 30 μm. If so, cracks may occur in the coating layer, and coating workability may be deteriorated.

The wet coating of the multifunctional coating solution on the upper surface of the base film 300, but reverse gravure coating (reverse gravure coating), reverse roll coating (reverse roll coating), die coating (die coating), wire bar coating It can be coated by either wire bar coating or knife coating.

After the wet coating of the multifunctional coating solution on the upper surface of the base film 300, it may be dried in a dry chamber and cured in a UV curing machine.

Step 3 is a step of forming a first pressure-sensitive adhesive layer 200 by applying a first pressure-sensitive adhesive on the lower surface of the base film 300, the first pressure-sensitive adhesive may be any one of silicone, acrylic or urethane. The thickness of the first pressure-sensitive adhesive layer 200 is preferably 0.5 ~ 50㎛, when the coating is thinner than 0.5㎛ adhesive strength with the base film 300 may be weakened, if the coating is thicker than 50㎛ coating Workability may be reduced.

Step 4 is a step of attaching the release film 100 to the lower surface of the first pressure-sensitive adhesive layer 200, the release film 100 is PET (Polyethylene Terephthalate), PC (Polycarbonate), PMMA (Polymethyl Methacrylate), PE (Polyethylene), PP (Polypropylene), PA (Polyamide), PEN (Polyethylene Naphthalate) and PI (Polyimide) can be used any one selected from the group, the thickness of the release film 100 is 12 ~ 500㎛ When the thickness of the film is thinner than 12㎛, it is preferable to have a problem that it is not easy to peel off the release film 100, if the thickness is more than 500㎛ workability may be reduced.

After the step 4, to form a second pressure-sensitive adhesive layer 500 by applying a second pressure-sensitive adhesive on the upper surface of the multi-functional coating layer 400 (step 5); And

Forming a protective film 600 on the upper surface of the second pressure-sensitive adhesive layer 500 (step 6); may further include.

The second pressure-sensitive adhesive may be used any one of silicone, acrylic or urethane, the thickness of the second pressure-sensitive adhesive layer 500 is preferably 0.5 ~ 50㎛.

The protective film 600 is made of polyethylene terephthalate (PET), polycarbonate (PC), polymethyl methacrylate (PMMA), polyethylene (PE), polypropylene (PP), polyamide (PA), polyethylene naphthalate (PEN), and polyimide (PI). Any one selected from the group consisting of these can be used and it is preferable that thickness is 12-500 micrometers.

100: release film 200: first pressure-sensitive adhesive layer
300: base film 400: multi-functional coating layer
500: second pressure-sensitive adhesive layer 600: protective film

Claims (8)

Base film 300;
A multifunctional coating layer 400 disposed on an upper surface of the base film 300;
A first pressure sensitive adhesive layer 200 positioned on a bottom surface of the base film 300; And
A release film 100 positioned on a lower surface of the first adhesive layer 200;
Portable terminal LCD protective film comprising a.
The method of claim 1,
The multi-functional coating layer 400 is a portable terminal LCD protective film, characterized in that the bead is mixed with 0.01 to 40 parts by weight, 0.001 to 30 parts by weight of antibacterial agent and 0.0001 to 10 parts by weight of fragrance based on 100 parts by weight of the binder resin.
The method of claim 2,
The beads (Bead) using any one selected from the group consisting of ceramic glass beads, urethane beads, nylon beads, polymethyl methacrylate (PMMA) beads and polyethylene (PE) wax beads,
The antimicrobial agent is any one selected from the group consisting of silver (Ag), copper (Cu), titanium dioxide (TiO 2 ) and zinc oxide (ZnO 2 ),
The fragrance is a portable terminal LCD protective film, characterized in that using any one selected from the group consisting of orange, pine, cinnamon, rose and herb fragrance.
The method of claim 1,
A second pressure sensitive adhesive layer 500 positioned on an upper surface of the multifunctional coating layer 400; And
A protective film 600 positioned on an upper surface of the second adhesive layer 500;
Portable terminal LCD protective film, characterized in that it further comprises.
Forming a base film 300 (step 1);
Forming a multifunctional coating layer 400 by coating a multifunctional coating solution on an upper surface of the base film 300 (step 2);
Forming a first pressure sensitive adhesive layer 200 by applying a first pressure sensitive adhesive on a lower surface of the base film 300 (step 3); And
Forming a release film 100 on a lower surface of the first adhesive layer 200 (step 4);
Method of manufacturing a portable terminal LCD protective film comprising a.
The method of claim 5, wherein in step 2,
The multifunctional coating solution is dispersed in 0.01 to 40 parts by weight of beads, 0.001 to 30 parts by weight of antibacterial agent and 0.0001 to 10 parts by weight of fragrance to make a multifunctional powder, and then, based on 100 parts by weight of the multifunctional powder. A method for producing a portable terminal liquid crystal protective film, which is prepared by mixing 0.1 to 50 parts by weight of a solvent.
6. The method of claim 5,
The thickness of the base film 300 is 12 ~ 300㎛, the thickness of the multi-functional coating layer 400 is 0.1 ~ 30㎛, the thickness of the first pressure-sensitive adhesive layer 200 is 0.5 ~ 50㎛, the release The thickness of the film 100 is a manufacturing method of the portable terminal LCD protective film, characterized in that 12 ~ 500㎛.
The method of claim 5, wherein after step 4,
Forming a second adhesive layer 500 by applying a second adhesive on an upper surface of the multifunctional coating layer 400 (step 5); And
Forming a protective film 600 on the upper surface of the second pressure-sensitive adhesive layer 500 (step 6); The method of manufacturing a portable terminal LCD protective film, characterized in that it further comprises.
KR1020110040622A 2011-04-29 2011-04-29 Surface protection film for liquid crystal display of handheld terminal and Manufacturing method thereof KR20120122458A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014098422A1 (en) * 2012-12-20 2014-06-26 연세대학교 산학협력단 Antibiotic liquid crystal protection film and manufacturing method therefor
KR101433574B1 (en) * 2013-03-28 2014-09-23 주식회사 바텍 EMI Shielding LCD Protection Film for Smart Device and Smart Device Integral Type EMI Shielding LCD Protection Film
KR101469272B1 (en) * 2013-01-29 2014-12-05 제일모직주식회사 Protective sheet for liquid crystal display and liquid crystal display comprising the same
KR101476529B1 (en) * 2013-02-25 2014-12-24 김기형 Copolymer type liquid crystal protective film
KR101480267B1 (en) * 2013-10-18 2015-01-09 안병운 protection film for portable mobile phone
KR101482762B1 (en) * 2012-12-17 2015-01-16 김기형 Protective film for display panel
CN106199812A (en) * 2016-08-30 2016-12-07 苏州汇卓网络科技有限公司 A kind of thinning functional polarizing sheet and its preparation method and application
WO2017164580A3 (en) * 2016-03-24 2018-08-02 (주)향기공장 Liquid crystal protective film
WO2018190564A1 (en) * 2017-04-10 2018-10-18 김광원 Display protecting film without base film
KR102162521B1 (en) * 2020-04-20 2020-10-06 박건호 Antibacterial film for touch panel
KR20220004875A (en) * 2020-07-03 2022-01-12 주식회사 후레쉬메이트 Multi-layer antimicrobial film to prevent cross contamination and cross infection, and method of manufacturing thereof
KR20220018375A (en) * 2020-08-06 2022-02-15 주식회사 이에스디코리아 A protecting film having anti-bacteria and anti-fouling
KR102382993B1 (en) * 2020-09-28 2022-04-05 위아코퍼레이션 주식회사 Antibiotic clnical thermometer

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101482762B1 (en) * 2012-12-17 2015-01-16 김기형 Protective film for display panel
WO2014098422A1 (en) * 2012-12-20 2014-06-26 연세대학교 산학협력단 Antibiotic liquid crystal protection film and manufacturing method therefor
KR101469272B1 (en) * 2013-01-29 2014-12-05 제일모직주식회사 Protective sheet for liquid crystal display and liquid crystal display comprising the same
KR101476529B1 (en) * 2013-02-25 2014-12-24 김기형 Copolymer type liquid crystal protective film
KR101433574B1 (en) * 2013-03-28 2014-09-23 주식회사 바텍 EMI Shielding LCD Protection Film for Smart Device and Smart Device Integral Type EMI Shielding LCD Protection Film
KR101480267B1 (en) * 2013-10-18 2015-01-09 안병운 protection film for portable mobile phone
WO2017164580A3 (en) * 2016-03-24 2018-08-02 (주)향기공장 Liquid crystal protective film
CN106199812A (en) * 2016-08-30 2016-12-07 苏州汇卓网络科技有限公司 A kind of thinning functional polarizing sheet and its preparation method and application
WO2018190564A1 (en) * 2017-04-10 2018-10-18 김광원 Display protecting film without base film
US10844250B2 (en) 2017-04-10 2020-11-24 Kwang-won Kim Display protecting film without base film
KR102162521B1 (en) * 2020-04-20 2020-10-06 박건호 Antibacterial film for touch panel
KR20220004875A (en) * 2020-07-03 2022-01-12 주식회사 후레쉬메이트 Multi-layer antimicrobial film to prevent cross contamination and cross infection, and method of manufacturing thereof
KR20220018375A (en) * 2020-08-06 2022-02-15 주식회사 이에스디코리아 A protecting film having anti-bacteria and anti-fouling
KR102382993B1 (en) * 2020-09-28 2022-04-05 위아코퍼레이션 주식회사 Antibiotic clnical thermometer

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