[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

EP3775078A4 - Optical laminate, adhesive composition and protective material - Google Patents

Optical laminate, adhesive composition and protective material Download PDF

Info

Publication number
EP3775078A4
EP3775078A4 EP18911991.0A EP18911991A EP3775078A4 EP 3775078 A4 EP3775078 A4 EP 3775078A4 EP 18911991 A EP18911991 A EP 18911991A EP 3775078 A4 EP3775078 A4 EP 3775078A4
Authority
EP
European Patent Office
Prior art keywords
adhesive composition
protective material
optical laminate
laminate
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP18911991.0A
Other languages
German (de)
French (fr)
Other versions
EP3775078A1 (en
Inventor
Tomohiro Miyazaki
Syuji Okamoto
Ruediger Sauer
Wilfried Loevenich
Tetsuya Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HERAEUS EPURIO GMBH
Soken Chemical and Engineering Co Ltd
Heraeus KK
Original Assignee
Heraeus Deutschland GmbH and Co KG
Soken Kagaku KK
Soken Chemical and Engineering Co Ltd
Heraeus KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heraeus Deutschland GmbH and Co KG, Soken Kagaku KK, Soken Chemical and Engineering Co Ltd, Heraeus KK filed Critical Heraeus Deutschland GmbH and Co KG
Publication of EP3775078A1 publication Critical patent/EP3775078A1/en
Publication of EP3775078A4 publication Critical patent/EP3775078A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38—Pressure-sensitive adhesives [PSA]
    • C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C09J7/385—Acrylic polymers
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
    • 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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08—Macromolecular additives
    • 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
    • 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
    • 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
    • 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
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • 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
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • 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
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/16—Optical coatings produced by application to, or surface treatment of, optical elements having an anti-static effect, e.g. electrically conducting coatings
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • 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
    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
EP18911991.0A 2018-03-30 2018-03-30 Optical laminate, adhesive composition and protective material Pending EP3775078A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/013943 WO2019187140A1 (en) 2018-03-30 2018-03-30 Optical laminate, adhesive composition and protective material

Publications (2)

Publication Number Publication Date
EP3775078A1 EP3775078A1 (en) 2021-02-17
EP3775078A4 true EP3775078A4 (en) 2021-11-03

Family

ID=68057983

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18911991.0A Pending EP3775078A4 (en) 2018-03-30 2018-03-30 Optical laminate, adhesive composition and protective material

Country Status (6)

Country Link
EP (1) EP3775078A4 (en)
JP (1) JP7134326B2 (en)
KR (1) KR102446530B1 (en)
CN (1) CN111971356B (en)
TW (1) TWI800632B (en)
WO (1) WO2019187140A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7105633B2 (en) * 2018-06-28 2022-07-25 日東電工株式会社 Adhesive composition, adhesive sheet, and optical member
JP7554836B2 (en) * 2020-09-17 2024-09-20 綜研化学株式会社 Adhesive polarizing film and laminate for image display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202171A1 (en) * 2005-03-11 2006-09-14 Kazuyoshi Yoshida Conductive polymer solution, antistatic coating material, antistatic hard coat layer, optical filter, conductive coating film, antistatic tacky adhesive, antistatic tacky adhesive layer, protective material, and method for producing the same
US20170283667A1 (en) * 2016-03-09 2017-10-05 Mitsubishi Chemical Corporation Adhesive film and process for producing the same

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100744876B1 (en) * 1998-06-22 2007-08-01 도요 보세키 가부시키가이샤 Highly antistatic laminate
TW200617124A (en) * 2004-06-01 2006-06-01 Nitto Denko Corp Pressure-sensitive adhesive composition, pressure-sensitive adhesive sheet and surface protecting film
TWI325007B (en) * 2004-10-08 2010-05-21 Shinetsu Polymer Co Conductive composition and production method thereof, antistatic coating material, antistatic coating, antistatic film, optical filter, and optical information recording medium, and capacitors and production method thereof
JP4786206B2 (en) * 2004-11-22 2011-10-05 信越ポリマー株式会社 Antistatic paint, antistatic film and antistatic film, optical filter, optical information recording medium
JP4987267B2 (en) * 2005-08-15 2012-07-25 信越ポリマー株式会社 Method for producing antistatic adhesive and method for producing protective material
JP4772347B2 (en) * 2005-03-11 2011-09-14 信越ポリマー株式会社 Method for producing antistatic paint and method for producing antistatic hard coat layer
JP4896637B2 (en) * 2006-09-05 2012-03-14 帝人デュポンフィルム株式会社 Conductive film
JP2008308539A (en) * 2007-06-13 2008-12-25 Yokohama Rubber Co Ltd:The Adhesive composition and protective film
JP5318386B2 (en) * 2007-08-31 2013-10-16 アキレス株式会社 Paint in which polypyrrole fine particles and adhesive are dispersed in an organic solvent
JP5339284B2 (en) * 2008-03-04 2013-11-13 リンテック株式会社 Adhesive composition and adhesive sheet
JP2010090208A (en) * 2008-10-06 2010-04-22 Jsr Corp Adhesive resin composition and process for producing the same, adhesive product, and adhesive sheet
KR101285452B1 (en) * 2008-12-05 2013-07-12 가부시키가이샤 구라레 Pressure-sensitive adhesive composition for optical film
FR2941700B1 (en) * 2009-02-02 2012-03-16 Arkema France PROCESS FOR THE SYNTHESIS OF A BLOCK COPOLYMER ALLOY HAVING IMPROVED ANTISTATIC PROPERTIES
CN101696274B (en) * 2009-10-29 2011-07-27 上海交通大学 Total sulfonating segmented copolymer of polyether-ether-ketone and polybutadiene and preparation method thereof
CN103189440B (en) * 2010-11-03 2015-01-07 赫劳斯贵金属有限两和公司 PEDOT dispersions in organic solvents
CN103476892A (en) * 2011-04-15 2013-12-25 日东电工株式会社 Adhesive sheet
CN102352197A (en) * 2011-10-24 2012-02-15 宁波大榭开发区综研化学有限公司 High-temperature-resistant antistatic adhesive tape and preparation method thereof
JP5830444B2 (en) * 2012-07-02 2015-12-09 信越ポリマー株式会社 A conductive polymer composition, a coated article provided with an antistatic film obtained from the composition, and a pattern forming method using the composition.
JP2014189786A (en) * 2013-03-28 2014-10-06 Nitto Denko Corp Adhesive composition, adhesive sheet and optical film
JP6164468B2 (en) * 2013-05-14 2017-07-19 フジコピアン株式会社 Heat resistant sticking sheet
JP2015068996A (en) * 2013-09-30 2015-04-13 東レ株式会社 Screen protection base film and screen protection sheet using the same
JP6433143B2 (en) * 2014-04-16 2018-12-05 日東電工株式会社 Adhesive sheet and optical member
JP6742723B2 (en) * 2015-01-16 2020-08-19 日東電工株式会社 Surface protection film and optical member
JP6599619B2 (en) * 2015-02-17 2019-10-30 日東電工株式会社 Adhesive sheet and optical member
CN104898196B (en) * 2015-05-14 2017-09-19 深圳市华星光电技术有限公司 Polarizer and liquid crystal display panel
JP6697876B2 (en) * 2015-12-28 2020-05-27 日東電工株式会社 Protective film for transparent conductive film and laminate
JP6308235B2 (en) * 2016-03-09 2018-04-11 三菱ケミカル株式会社 Laminated polyester film
KR102291789B1 (en) * 2016-04-27 2021-08-24 코베스트로 도이칠란트 아게 Antistatic and light-stable thermoplastic polycarbonate molding formulations
JP6366200B2 (en) * 2016-06-30 2018-08-01 日東電工株式会社 Reinforcing film with separator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060202171A1 (en) * 2005-03-11 2006-09-14 Kazuyoshi Yoshida Conductive polymer solution, antistatic coating material, antistatic hard coat layer, optical filter, conductive coating film, antistatic tacky adhesive, antistatic tacky adhesive layer, protective material, and method for producing the same
US20170283667A1 (en) * 2016-03-09 2017-10-05 Mitsubishi Chemical Corporation Adhesive film and process for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HANS-GEORG ELIAS ED - HANS-GEORG ELIAS: "MAKROMOLEKULE , GRUNDLAGEN: STRUKTUR, SYNTHESE, EIGENSCHAFTEN, THERMISCHE UMWANDLUNGEN UND RELAXIATIONEN", 1 January 1990, MAKROMOLEKULE , GRUNDLAGEN: STRUKTUR, SYNTHESE, EIGENSCHAFTEN, HÜTHIG & WEPF VERLAG, BASEL HEIDELBERG NEW YORK, PAGE(S) 845 - 857, ISBN: 978-3-85739-101-9, XP002594550 *

Also Published As

Publication number Publication date
TW201942297A (en) 2019-11-01
TWI800632B (en) 2023-05-01
WO2019187140A1 (en) 2019-10-03
CN111971356B (en) 2023-02-03
KR102446530B1 (en) 2022-09-22
JP7134326B2 (en) 2022-09-09
JP2021517607A (en) 2021-07-26
KR20200138777A (en) 2020-12-10
CN111971356A (en) 2020-11-20
EP3775078A1 (en) 2021-02-17

Similar Documents

Publication Publication Date Title
EP3519475A4 (en) Adhesive, laminated film using thereof and polyol composition for adhesive
EP3835377A4 (en) Hard-coat composition, laminate film, and curable film
EP4083140A4 (en) Curable hot-melt silicone composition, cured material thereof, and laminate containing curable hot-melt silicone composition or cured material thereof
EP3572477A4 (en) Filling-bonding material, protective sheet-equipped filling-bonding material, laminated body, optical device, and protective panel for optical device
EP3769961A4 (en) Protective film
EP3495441A4 (en) Adhesive composition, laminate, and optical article including said laminate
EP3656830A4 (en) Adhesive composition and adhesive film
EP3901184A4 (en) Optical material composition and optical material
EP3862407A4 (en) Adhesive composition
EP3875494A4 (en) Curable composition, film, laminate, and display device
EP3875495A4 (en) Curable composition, film, laminate, and display device
EP3835382A4 (en) Hot-melt adhesive resin composition and hot-melt adhesive resin laminate
EP3825376A4 (en) Adhesive composition
EP3816254A4 (en) Adhesive composition
EP3816252A4 (en) Adhesive composition
EP3715431A4 (en) Adhesive composition
EP3779530A4 (en) Photochromic adhesive composition, photochromic layered body, and optical article using said photochromic layered body
EP3943563A4 (en) Adhesive composition, cured material and composite
EP3460020A4 (en) Adhesive, adhesive resin composition and laminate comprising same
EP3821883A4 (en) Adhesive composition and adhesive patch
EP3875492A4 (en) Curable composition, film, laminate, and display device
EP3819351A4 (en) Adhesive composition
EP3825378A4 (en) Adhesive composition
TWI800632B (en) Optical laminate, adhesive composition and protective material
EP3779933A4 (en) Laminate and adhesive label

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201027

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20211001

RIC1 Information provided on ipc code assigned before grant

Ipc: C09J 133/00 20060101ALI20210927BHEP

Ipc: C09J 11/08 20060101ALI20210927BHEP

Ipc: C09J 11/06 20060101ALI20210927BHEP

Ipc: B32B 27/00 20060101ALI20210927BHEP

Ipc: C09J 7/30 20180101AFI20210927BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20231030

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HERAEUS KABUSHIKI KAISHA

Owner name: HERAEUS EPURIO GMBH

Owner name: SOKEN CHEMICAL & ENGINEERING CO., LTD.