KR100814307B1 - 액정 표시 장치 - Google Patents
액정 표시 장치 Download PDFInfo
- Publication number
- KR100814307B1 KR100814307B1 KR1020067022311A KR20067022311A KR100814307B1 KR 100814307 B1 KR100814307 B1 KR 100814307B1 KR 1020067022311 A KR1020067022311 A KR 1020067022311A KR 20067022311 A KR20067022311 A KR 20067022311A KR 100814307 B1 KR100814307 B1 KR 100814307B1
- Authority
- KR
- South Korea
- Prior art keywords
- optical film
- liquid crystal
- film
- crystal display
- polarizing plate
- 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.)
- Expired - Fee Related
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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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising 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
-
- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133562—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the viewer side
-
- 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
- G02F1/13356—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements
- G02F1/133567—Structural association of cells with optical devices, e.g. polarisers or reflectors characterised by the placement of the optical elements on the back side
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
Abstract
Description
실시예1 | 실시예2 | 실시예3 | 비교예1 | 비교예2 | |||||||
시야 각(도) | 색도 변화량(-) | 시야각(도) | 색도 변화량(-) | 시야각(도) | 색도 변화량(-) | 시야각(도) | 색도 변화량(-) | 시야각(도) | 색도 변화량(-) | ||
시야각 | 사시(상) | 32 | 0.24 | 34 | 0.24 | 31 | 0.25 | 28 | 0.28 | 26 | 0.28 |
사시(하) | 32 | 0.24 | 34 | 0.24 | 31 | 0.24 | 30 | 0.26 | 28 | 0.26 | |
사시(좌) | 32 | 0.24 | 34 | 0.24 | 32 | 0.26 | 27 | 0.28 | 26 | 0.28 | |
사시(우) | 32 | 0.24 | 34 | 0.24 | 32 | 0.25 | 27 | 0.28 | 26 | 0.28 |
Claims (10)
- 폴리카보네이트계 수지 및 스티렌계 수지를 함유한 고분자 필름을 연신하여 얻어진 광학 필름으로서,당해 광학 필름은, 광탄성 계수가 2.0×10-11 ~ 6.0×10-11㎡/N 이고,필름면 내의 굴절률이 최대가 되는 방향을 X축, X축에 수직인 방향을 Y축, 필름의 두께 방향을 Z축으로 하고, 각각 축 방향의 굴절률을 nx1, ny1, nz1 로 하고, 필름 두께를 d1(nm) 로 했을 경우에,Nz=(nx1-nz1)/(nx1-ny1) 로 표시되는 Nz 계수가, -1≤Nz≤0.9,또한, 정면 위상차 (Re)=(nx1-ny1)×d1 이 80≤Re≤300nm,을 만족시키도록 삼차원 굴절률이 제어되어 있는 광학 필름 (1) 과,필름면 내의 굴절률이 최대가 되는 방향을 X축, X축에 수직인 방향을 Y축, 필름의 두께 방향을 Z축으로 하고, 각각 축 방향의 굴절률을 nx2, ny2, nz2 로 했을 경우에, nx2>ny2≒nz2 를 만족시키는 광학적으로 정의 일축성을 나타내는 광학 필름 (2) 과,광학적으로 부의 일축성을 나타내는 재료에 의해 형성되고, 당해 재료가 경사 배향되어 있는 부위를 포함한 광학 필름 (3) 이 적층되어 있는 적층 광학 필름이,액정 셀의 양측에, 편광판과 함께, 실장되어 있는 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (1) 의 재료인, 스티렌계 수지의 중량 평균 분자량이 500 이상 2만 이하인 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (1) 의 유리 전이 온도가 110 ~ 180℃ 의 범위인 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (2) 이, 노르보르넨계 폴리머를 함유한 고분자 필름을 연신하여 얻어진 광학 필름인 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (2) 이, 폴리카보네이트계 수지 및 스티렌계 수지를 함유한 고분자 필름을 연신하여 얻어진 광학 필름으로서,당해 광학 필름은, 광탄성 계수 0.5×10-11 ~ 6.0×10-11㎡/N 인 것을 특징으 로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (3) 을 형성하는, 광학적으로 부의 일축성을 나타내는 재료가 디스코틱 액정 화합물인 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 광학 필름 (3) 을 형성하는, 광학적으로 부의 일축성을 나타내는 재료는, 그 평균 광축과 상기 광학 필름 (3) 의 법선 방향으로 이루는 경사 각도가, 5˚ ~ 50˚ 의 범위에서 경사 배향되어 있는 것을 특징으로 하는 액정 표시 장치.
- 제 1 항에 있어서,상기 적층 광학 필름은, 광학적으로 정의 일축성을 나타내는 광학 필름 (2) 과 광학적으로 부의 일축성을 나타내는 재료를 경사 배향되어 있는 부위를 포함한 광학 필름 (3) 사이에, 삼차원 굴절률을 제어한 광학 필름 (1) 이 배치되어 것을 특징으로 하는 액정 표시 장치.
- 제 8 항에 있어서,상기 적층 광학 필름은, 광학 필름 (3) 측을 액정 셀 측에 배치하는 것을 특징으로 하는 액정 표시 장치.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,상기 적층 광학 필름은, 편광판보다 액정 셀 측에 가깝게 배치되어 있는 것을 특징으로 하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2004-00363812 | 2004-12-16 | ||
JP2004363812 | 2004-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070088292A KR20070088292A (ko) | 2007-08-29 |
KR100814307B1 true KR100814307B1 (ko) | 2008-03-18 |
Family
ID=36587822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020067022311A Expired - Fee Related KR100814307B1 (ko) | 2004-12-16 | 2005-12-12 | 액정 표시 장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080036954A1 (ko) |
EP (1) | EP1826608A1 (ko) |
JP (1) | JP3790775B1 (ko) |
KR (1) | KR100814307B1 (ko) |
CN (1) | CN1950745A (ko) |
TW (1) | TWI278705B (ko) |
WO (1) | WO2006064766A1 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008111978A (ja) * | 2006-10-30 | 2008-05-15 | Nitto Denko Corp | 積層光学フィルム、積層光学フィルムを用いた液晶パネル、液晶表示装置、および画像表示装置 |
JP2008139806A (ja) * | 2006-11-02 | 2008-06-19 | Nitto Denko Corp | 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置 |
JP4998941B2 (ja) * | 2006-11-20 | 2012-08-15 | 日東電工株式会社 | 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置 |
JP2008165185A (ja) * | 2006-12-07 | 2008-07-17 | Nitto Denko Corp | 積層光学フィルム、積層光学フィルムを用いた液晶パネル、および液晶表示装置 |
JP2008181082A (ja) | 2006-12-25 | 2008-08-07 | Nitto Denko Corp | 液晶パネルおよびそれを用いた液晶表示装置 |
JPWO2009090778A1 (ja) * | 2008-01-16 | 2011-05-26 | シャープ株式会社 | 液晶表示装置 |
JP5104373B2 (ja) * | 2008-02-14 | 2012-12-19 | 日本ゼオン株式会社 | 位相差板の製造方法 |
JP5069166B2 (ja) | 2008-04-09 | 2012-11-07 | 日東電工株式会社 | 積層光学フィルム、積層光学フィルムを用いた液晶パネルおよび液晶表示装置 |
TW201015125A (en) | 2008-10-01 | 2010-04-16 | Ind Tech Res Inst | Optical sheet |
TWI408465B (zh) * | 2010-02-05 | 2013-09-11 | Wintek Corp | 液晶顯示器 |
CN102213861B (zh) * | 2011-06-17 | 2012-12-12 | 江苏亿成光电科技有限公司 | 一种3d眼镜镜片 |
WO2014081260A1 (ko) * | 2012-11-23 | 2014-05-30 | 주식회사 엘지화학 | 광학 필름 |
KR101395319B1 (ko) * | 2012-11-23 | 2014-05-21 | 주식회사 엘지화학 | 광학 필름 |
CN103226270B (zh) * | 2013-05-03 | 2016-01-20 | 合肥京东方光电科技有限公司 | 一种半透半反液晶显示面板、显示装置及阵列基板 |
JP6313674B2 (ja) * | 2013-07-05 | 2018-04-18 | 富士フイルム株式会社 | 偏光板および液晶表示装置 |
CN105492935B (zh) * | 2013-08-26 | 2018-01-02 | 富士胶片株式会社 | 增亮膜、光学片部件及液晶显示装置 |
CN109212823B (zh) * | 2018-10-30 | 2021-06-18 | 惠科股份有限公司 | 光学复合膜、显示面板和显示装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002077662A (ja) * | 2000-08-24 | 2002-03-15 | Nec Viewtechnology Ltd | スポットキラー制御回路 |
JP2003029038A (ja) * | 2001-07-17 | 2003-01-29 | Nitto Denko Corp | 光学フィルム、偏光板及び表示装置 |
JP2008004010A (ja) * | 2006-06-26 | 2008-01-10 | Canon Inc | 通信装置及びその制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11271759A (ja) * | 1998-03-23 | 1999-10-08 | Matsushita Electric Ind Co Ltd | 液晶表示装置 |
WO2001059516A1 (fr) * | 2000-02-10 | 2001-08-16 | Matsushita Electric Industrial Co., Ltd. | Affichage a cristaux liquides |
JP2005031621A (ja) * | 2003-06-16 | 2005-02-03 | Nitto Denko Corp | 光学フィルム、偏光光学フィルムおよび画像表示装置 |
JP3727638B2 (ja) * | 2003-06-16 | 2005-12-14 | 日東電工株式会社 | 積層光学フィルム、楕円偏光板および画像表示装置 |
-
2005
- 2005-12-09 JP JP2005355524A patent/JP3790775B1/ja not_active Expired - Fee Related
- 2005-12-12 WO PCT/JP2005/022780 patent/WO2006064766A1/ja active Application Filing
- 2005-12-12 CN CNA2005800144562A patent/CN1950745A/zh active Pending
- 2005-12-12 EP EP05814221A patent/EP1826608A1/en not_active Withdrawn
- 2005-12-12 US US11/573,736 patent/US20080036954A1/en not_active Abandoned
- 2005-12-12 KR KR1020067022311A patent/KR100814307B1/ko not_active Expired - Fee Related
- 2005-12-15 TW TW094144463A patent/TWI278705B/zh not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002077662A (ja) * | 2000-08-24 | 2002-03-15 | Nec Viewtechnology Ltd | スポットキラー制御回路 |
JP2003029038A (ja) * | 2001-07-17 | 2003-01-29 | Nitto Denko Corp | 光学フィルム、偏光板及び表示装置 |
JP2008004010A (ja) * | 2006-06-26 | 2008-01-10 | Canon Inc | 通信装置及びその制御方法 |
Non-Patent Citations (3)
Title |
---|
공개특허 2004-0108340호 |
공개특허 제2002-77662호 |
일본공개특허 평15-029038호 |
Also Published As
Publication number | Publication date |
---|---|
WO2006064766A1 (ja) | 2006-06-22 |
TW200628937A (en) | 2006-08-16 |
JP2006195441A (ja) | 2006-07-27 |
JP3790775B1 (ja) | 2006-06-28 |
KR20070088292A (ko) | 2007-08-29 |
EP1826608A1 (en) | 2007-08-29 |
US20080036954A1 (en) | 2008-02-14 |
TWI278705B (en) | 2007-04-11 |
CN1950745A (zh) | 2007-04-18 |
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