KR970059778A - 광학막 및 액정 표시 장치 - Google Patents

광학막 및 액정 표시 장치 Download PDF

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Publication number
KR970059778A
KR970059778A KR1019970000215A KR19970000215A KR970059778A KR 970059778 A KR970059778 A KR 970059778A KR 1019970000215 A KR1019970000215 A KR 1019970000215A KR 19970000215 A KR19970000215 A KR 19970000215A KR 970059778 A KR970059778 A KR 970059778A
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South Korea
Prior art keywords
pressure
sensitive adhesive
film
adhesive layer
optical
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KR1019970000215A
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English (en)
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KR100444412B1 (ko
Inventor
찌에미 미쿠라
타카시 야마오카
아키라 와카바야시
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야마모또 히데끼
닛토 덴코 가부시키가이샤
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Publication of KR970059778A publication Critical patent/KR970059778A/ko
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Publication of KR100444412B1 publication Critical patent/KR100444412B1/ko

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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
    • 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
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular 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
    • B32B2551/00—Optical elements
    • 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
    • G02F1/133528—Polarisers
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers

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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)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Adhesive Tapes (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

단면 또는 양면 상에 압력-감응 접착층의 복합막을 갖는 광학 기본막을 포함하는 광학막에 있어서 상기 복합막은 각각이 다른 스트레스 이완 시간을 갖는 압력-감응 접착층의 결합을 포함하고 ,가장 긴 스트레스이완시간을 갖는 압력-감응 접착층이 가장 밖의 위치에 배치되고, 이의 두께는 압력-감응 접착층을 전체 두께의 80％ 이하이다. 상기 광학 막은 열 저항과 습기 저항에서 뛰어나고 고온 고습도에서 사용하는 경우에도 액정 셀과 막 사이의 인터페이스에서 거품과 벗겨짐이 발생하지 않고, 액정 셀 표시 장치에 적합하다.

Description

광학 막 및 액정 표시 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광학 막의 한 예를 도시하는 단면도.

Claims (5)

  1. 단면 또는 양면 상에 압력-감응 접착층의 복합막을 갖는 광학 기본막을 포함하는 광학 막에 있어서, 상기 복합막은 각각이 스트레스 이와 시간을 갖는 압력감-감응 접착층의 결합을 포함하고 가장 긴 스트레스 이완 시간을 갖는 압력-감응 접착증이 가장 밖의 위치에 배치되고, 가장 긴 스트레스 이완 시간을 갖는 상기 압력-감응접착층의 두께는 압력-감응 접착층의 전체 두께의 80％이하인 것을 특징으로 하는 광학 막.
  2. 제1항에 있어서, 23℃에서 압력-감층 접착층의 스트레스이완시간은 가장 밖의 압력-감응접착층에서 최소한 100초이고, 가장 밖의 층 아래의 압력-감응 접착층에서는 300초 이하이고, 가장 층과 가장 밖의 층 아래의 층의 스트레스 이완 시간 사이의 차이는 최소한 50초인 것을 특징으로 하는 광학 막.
  3. 제1항에 있어서, 상기 광학 막은 편광막, 반사형 편광막, 또는 지연막인 것을 특징으로 하는 광학 막.
  4. 제1항에 있어서, 상기 광학 막은 압력-감응 접착층을 통해 편광막과 지연막을 적충시켜 얻어진 타원 편광막 또는 압력-감응 접착층을 통해 반사형 편광막과 지연막을 적층시켜 얻어진 반사 형타원 편광막인 것을 특징으로 하는 광학 막.
  5. 액정 표시 장치에 있어서, 단면 또는 양면에 최소 하는 제1항에 광학 막이 부착된 액정셀을 포함하는 것을 특징으로 하는 액정 표시 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019970000215A 1996-01-09 1997-01-08 광학막및액정표시장치 KR100444412B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP01941396A JP3676474B2 (ja) 1996-01-09 1996-01-09 光学フィルム及び液晶表示装置
JP96-19413 1996-01-09

Publications (2)

Publication Number Publication Date
KR970059778A true KR970059778A (ko) 1997-08-12
KR100444412B1 KR100444412B1 (ko) 2004-11-08

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US (1) US5880800A (ko)
JP (1) JP3676474B2 (ko)
KR (1) KR100444412B1 (ko)
DE (1) DE19700400A1 (ko)
IT (1) IT1290888B1 (ko)

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JPH09189906A (ja) 1997-07-22
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ITRM970009A1 (it) 1998-07-09
IT1290888B1 (it) 1998-12-14
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