JP2008545876A - 光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ - Google Patents

光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ Download PDF

Info

Publication number
JP2008545876A
JP2008545876A JP2008516139A JP2008516139A JP2008545876A JP 2008545876 A JP2008545876 A JP 2008545876A JP 2008516139 A JP2008516139 A JP 2008516139A JP 2008516139 A JP2008516139 A JP 2008516139A JP 2008545876 A JP2008545876 A JP 2008545876A
Authority
JP
Japan
Prior art keywords
adhesive tape
pressure
sensitive adhesive
layer
black
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.)
Withdrawn
Application number
JP2008516139A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008545876A5 (https=
Inventor
フーゼマン・マルク
シュトルベック・ラインハルト
Original Assignee
テーザ・アクチエンゲゼルシャフト
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 テーザ・アクチエンゲゼルシャフト filed Critical テーザ・アクチエンゲゼルシャフト
Publication of JP2008545876A publication Critical patent/JP2008545876A/ja
Publication of JP2008545876A5 publication Critical patent/JP2008545876A5/ja
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29Laminated material
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/50Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/318Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of liquid crystal displays
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/124Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/10Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/16Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
    • C09J2301/162Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer the carrier being a laminate constituted by plastic layers only
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/20Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
    • C09J2301/208Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408Additional 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/41Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086Positioning aspects
    • G02B6/0088Positioning aspects of the light guide or other optical sheets in the package
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133605Direct backlight including specially adapted reflectors
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2202/00Materials and properties
    • G02F2202/28Adhesive materials or arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/26Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848Three or more layers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
JP2008516139A 2005-06-13 2005-12-02 光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ Withdrawn JP2008545876A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005027393A DE102005027393A1 (de) 2005-06-13 2005-06-13 Doppelseitige Haftklebebänder zur Herstellung von LC-Displays mit lichtreflektierenden und absorbierenden Eigenschaften
PCT/EP2005/056416 WO2006133746A1 (de) 2005-06-13 2005-12-02 Doppelseitige haftklebebänder zur herstellung von lc-displays mit lichtreflektierenden und absorbierenden eigenschaften

Publications (2)

Publication Number Publication Date
JP2008545876A true JP2008545876A (ja) 2008-12-18
JP2008545876A5 JP2008545876A5 (https=) 2009-02-05

Family

ID=35713631

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008516139A Withdrawn JP2008545876A (ja) 2005-06-13 2005-12-02 光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ

Country Status (8)

Country Link
US (1) US20090035563A1 (https=)
EP (1) EP1894060A1 (https=)
JP (1) JP2008545876A (https=)
KR (1) KR20080027277A (https=)
CN (1) CN101198898A (https=)
DE (2) DE102005027393A1 (https=)
TW (1) TW200643520A (https=)
WO (1) WO2006133746A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101326736B1 (ko) * 2011-12-29 2013-11-08 최병연 휘도 개선을 위한 액정표시장치의 백라이트 유닛 조립용 특수 테이프와 그의 제조 방법 및 이에 의해 결합된 액정표시장치
JP2015083660A (ja) * 2013-09-18 2015-04-30 日東電工株式会社 粘着シート
JP2020169262A (ja) * 2019-04-03 2020-10-15 リンテック株式会社 粘着シートおよび表示体

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102190972B (zh) * 2010-03-14 2014-01-29 宸鸿科技(厦门)有限公司 多层结构的光学黏结层
KR101363929B1 (ko) * 2010-05-10 2014-02-18 주식회사 엘지화학 광반사 조성물 및 이를 이용한 광원은폐 성능이 우수한 집광필름
US20140120293A1 (en) * 2011-12-22 2014-05-01 Mohit Gupta Electrostatic discharge compatible dicing tape with laser scribe capability
JP5912045B2 (ja) * 2012-01-18 2016-04-27 日東電工株式会社 半透明遮光テープ
KR101279793B1 (ko) * 2012-05-14 2013-06-28 (주)윌닉스 액정 글래스 보호기구
US9815259B2 (en) 2013-11-18 2017-11-14 Apple Inc. Reworkable adhesive tape for joining device structures
CN112571904A (zh) * 2019-09-27 2021-03-30 上海仰璞实业有限公司 一种黑色钢带
KR102890840B1 (ko) * 2020-11-23 2025-11-24 엘지디스플레이 주식회사 디스플레이 모듈

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3075853A (en) * 1960-08-08 1963-01-29 Norton Co Pressure sensitive adhesive tape
KR100987679B1 (ko) * 2002-08-12 2010-10-13 디아이씨 가부시끼가이샤 광반사성과 차광성을 겸비한 lcd 모듈용 점착 테이프
DE10243215A1 (de) * 2002-09-17 2004-03-25 Tesa Ag Haftklebeband für LCDs

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101326736B1 (ko) * 2011-12-29 2013-11-08 최병연 휘도 개선을 위한 액정표시장치의 백라이트 유닛 조립용 특수 테이프와 그의 제조 방법 및 이에 의해 결합된 액정표시장치
JP2015083660A (ja) * 2013-09-18 2015-04-30 日東電工株式会社 粘着シート
JP2020169262A (ja) * 2019-04-03 2020-10-15 リンテック株式会社 粘着シートおよび表示体

Also Published As

Publication number Publication date
CN101198898A (zh) 2008-06-11
DE112005003571A5 (de) 2008-07-03
KR20080027277A (ko) 2008-03-26
US20090035563A1 (en) 2009-02-05
WO2006133746A1 (de) 2006-12-21
DE102005027393A1 (de) 2006-12-21
EP1894060A1 (de) 2008-03-05
TW200643520A (en) 2006-12-16

Similar Documents

Publication Publication Date Title
JP2010525089A (ja) 両面感圧接着テープ
JP2009544778A (ja) 家庭用電化製品のガラス製ウインドに飛散防止カバーとして貼り付けるための光学的に高透明度の接着フィルム
JP2005539130A (ja) Lcd用感圧接着テープ
JP2011507046A (ja) 液晶表示システム用の両面感圧性接着テープ
US20080286569A1 (en) Double-Sided Adhesive Having Light-Absorbing Properties for Producing and/or Gluing Lc-Displays
JP2009501813A (ja) 光反射性及び吸収性を有する液晶デスプレーを製造するための両面粘着テープ
JP2008545875A (ja) 光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ
ES2325999T3 (es) Cintas autoadhesivas de doble cara con propiedades reflectoras y absorbentes de la luz para elaborar pantallas de cristal liquido.
US20100047518A1 (en) Double-sided pressure-sensitive adhesive tapes for producing lc displays with light-reflective and -absorbing properties
JP2008545876A (ja) 光反射性及び吸収性を有する液晶ディスプレーを製造するための両面粘着テープ
JP2008521991A (ja) Lcディスプレー製造用の光反射性および光吸収性を示す両面感圧接着テープ
US20080199636A1 (en) Double-Sided Pressure-Sensitive Adhesive Tapes For Producing or Bonding Lc Displays With Light-Absorbing Properties
JP2009517505A (ja) 光反射性及び吸収性を有する液晶デスプレーを製造するための両面粘着テープ
JP2009501814A (ja) 光反射性及び吸収性を有する液晶デスプレーを製造するための両面粘着テープ
JP2008521989A (ja) Lcディスプレー製造用の光反射性および吸収性を示す両面接着テープ
JP2009517504A (ja) 光反射性及び吸収性を有する液晶デスプレーを製造するための両面粘着テープ
JP2008521992A (ja) Lcディスプレー製造または接着用の光吸収特性を有する両面接触接着テープ
JP2009501947A (ja) 光反射性及び吸収性を有する液晶デスプレーを製造するための両面粘着テープ
JP2008521990A (ja) Lcディスプレーを製造または一緒に粘着させるための光吸収特性を有する両面感圧接着テープ
JP2008521993A (ja) Lcディスプレー製造用の光反射性および光吸収性を示す両面接触接着テープ
KR20080073754A (ko) 광-반사 및 광-흡수 성질을 지닌 lc-디스플레이를제조하기 위한 양면 감압 접착 테이프
KR20080073769A (ko) 광반사 및 광흡수 특성을 갖는 lc 디스플레이를 생산하기위한 이중면 압력-민감성 접착 테이프

Legal Events

Date Code Title Description
A524 Written submission of copy of amendment under article 19 pct

Free format text: JAPANESE INTERMEDIATE CODE: A524

Effective date: 20081201

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20081201

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20090203

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20090204