KR20030030936A - 적층 위상차판, 편광 부재 및 액정 표시 장치 - Google Patents
적층 위상차판, 편광 부재 및 액정 표시 장치 Download PDFInfo
- Publication number
- KR20030030936A KR20030030936A KR1020020061656A KR20020061656A KR20030030936A KR 20030030936 A KR20030030936 A KR 20030030936A KR 1020020061656 A KR1020020061656 A KR 1020020061656A KR 20020061656 A KR20020061656 A KR 20020061656A KR 20030030936 A KR20030030936 A KR 20030030936A
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- layer
- laminated
- retardation plate
- retardation
- Prior art date
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Classifications
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133634—Birefringent elements, e.g. for optical compensation the refractive index Nz perpendicular to the element surface being different from in-plane refractive indices Nx and Ny, e.g. biaxial or with normal optical axis
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
-
- 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
- G02F2202/40—Materials having a particular birefringence, retardation
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/02—Number of plates being 2
-
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/15—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates with twisted orientation, e.g. comprising helically oriented LC-molecules or a plurality of twisted birefringent sublayers
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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)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
Description
Re(㎚) | Rth(㎚) | 두께(㎛) | |
실시예 1 | 50 | 249 | 78 |
실시예 2 | 51 | 250 | 97 |
실시예 3 | 50 | 253 | 47 |
비교예 | 48 | 247 | 185 |
Claims (6)
- 양의 복굴절 특성을 나타내는 열가소성 수지로 이루어진 제 1 위상차층, 및350nm 이하의 선택 반사 파장 범위를 나타내는 콜레스테릭 액정의 배향 고화층으로 이루어지고 상기 제 1 위상차층에 적층된 제 2 위상차층을 포함하는 적층 위상차판으로서,Re 및 Rth가 하기 수학식 1 및 2로 주어지는 경우 590nm의 파장을 갖는 광을 기준으로 상기 적층 위상차판의 Re가 10㎚ 이상이고, 상기 적층 위상차판의 Rth-Re가 50㎚ 이상인 적층 위상차판:수학식 1수학식 2상기 식에서,nx 및 ny는 면내 주굴절률이고, nz는 두께방향 굴절률이고, d는 층 두께이다.
- 제 1 항에 있어서,상기 제 1 위상차층의 Re가 20 내지 300㎚의 범위이고, 상기 제 1 위상차층의 Rth/Re가 1.0 이상이며, 상기 제 2 위상차층의 Re가 0 내지 20㎚의 범위이고, 상기제 2 위상차층의 Rth가 30 내지 500㎚의 범위인 적층 위상차판.
- 제 1 항에 있어서,적층 위상차판의 한면 또는 양면에 구비된 감압 점착층을 추가로 포함하는 적층 위상차판.
- 제 1 항에 따른 적층 위상차판, 및 상기 적층 위상차판에 적층된 편광판을 포함하는 편광 부재.
- 액정셀, 및 상기 액정셀의 한면 또는 양면에 배치된 제 1 항에 따른 적층 위상차판을 포함하는 액정 표시 장치.
- 액정셀, 및 상기 액정셀의 한면 또는 양면에 배치된 제 4 항에 따른 편광 부재를 포함하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001312161A JP2003121641A (ja) | 2001-10-10 | 2001-10-10 | 積層位相差板、偏光部材及び液晶表示装置 |
JPJP-P-2001-00312161 | 2001-10-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030030936A true KR20030030936A (ko) | 2003-04-18 |
KR100629045B1 KR100629045B1 (ko) | 2006-09-26 |
Family
ID=19130865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020061656A KR100629045B1 (ko) | 2001-10-10 | 2002-10-10 | 적층 위상차판, 편광 부재 및 액정 표시 장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6829026B2 (ko) |
JP (1) | JP2003121641A (ko) |
KR (1) | KR100629045B1 (ko) |
TW (1) | TWI235847B (ko) |
Cited By (4)
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KR100759158B1 (ko) * | 2005-01-21 | 2007-09-14 | 옵티맥스 테크놀러지 코포레이션 | 편광자 |
KR100835556B1 (ko) * | 2007-10-17 | 2008-06-05 | 주식회사 엘지에스 | 광대역 콜레스테릭 액정 반사편광자의 제조방법, 및반사편광자 |
US7738065B2 (en) | 2005-05-11 | 2010-06-15 | Nitto Denko Corporation | Polarizing plate provided with optical compensation layers and image display apparatus using the same |
US10107946B2 (en) | 2015-07-22 | 2018-10-23 | Nitto Denko Corporation | Polarizing plate with a retardation layer and image display apparatus |
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JP2003121642A (ja) | 2001-10-10 | 2003-04-23 | Nitto Denko Corp | 広視角偏光板及び液晶表示装置 |
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-
2001
- 2001-10-10 JP JP2001312161A patent/JP2003121641A/ja active Pending
-
2002
- 2002-10-07 US US10/265,142 patent/US6829026B2/en not_active Expired - Lifetime
- 2002-10-07 TW TW091123099A patent/TWI235847B/zh not_active IP Right Cessation
- 2002-10-10 KR KR1020020061656A patent/KR100629045B1/ko active IP Right Grant
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100759158B1 (ko) * | 2005-01-21 | 2007-09-14 | 옵티맥스 테크놀러지 코포레이션 | 편광자 |
US7738065B2 (en) | 2005-05-11 | 2010-06-15 | Nitto Denko Corporation | Polarizing plate provided with optical compensation layers and image display apparatus using the same |
KR101132995B1 (ko) * | 2005-05-11 | 2012-04-24 | 닛토덴코 가부시키가이샤 | 광학 보상층 부착 편광판 및 그것을 사용한 화상 표시 장치 |
KR100835556B1 (ko) * | 2007-10-17 | 2008-06-05 | 주식회사 엘지에스 | 광대역 콜레스테릭 액정 반사편광자의 제조방법, 및반사편광자 |
WO2009051408A1 (en) * | 2007-10-17 | 2009-04-23 | Lms Co., Ltd. | Method for manufacturing cholesteric reflective plarizer with quater wave plate, and reflective plarizer therefrom |
US10107946B2 (en) | 2015-07-22 | 2018-10-23 | Nitto Denko Corporation | Polarizing plate with a retardation layer and image display apparatus |
Also Published As
Publication number | Publication date |
---|---|
US20030086033A1 (en) | 2003-05-08 |
US6829026B2 (en) | 2004-12-07 |
KR100629045B1 (ko) | 2006-09-26 |
JP2003121641A (ja) | 2003-04-23 |
TWI235847B (en) | 2005-07-11 |
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