KR20070052254A - 적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 - Google Patents
적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 Download PDFInfo
- Publication number
- KR20070052254A KR20070052254A KR1020070041227A KR20070041227A KR20070052254A KR 20070052254 A KR20070052254 A KR 20070052254A KR 1020070041227 A KR1020070041227 A KR 1020070041227A KR 20070041227 A KR20070041227 A KR 20070041227A KR 20070052254 A KR20070052254 A KR 20070052254A
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- South Korea
- Prior art keywords
- wave plate
- plate
- liquid crystal
- laminated
- quarter wave
- Prior art date
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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
- 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
- G02B5/3083—Birefringent or phase retarding 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
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)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
Description
Claims (4)
- 적층 1/4 파장, 및 상기 적층 1/4 파장판 위에 적층된 편광판을 포함하는 원편광판으로서,상기 적층 1/4 파장이, 1/4 파장판, 및 상기 1/4 파장판 위에 면내의 지상축 방향이 서로 교차되도록 적층된 1/2 파장판을 포함하고, 수직 배향 방식(vertical alignment mode; VA 방식)의 액정 표시 장치에 사용되며,상기 1/4 파장판 및 1/2 파장판이, 면내의 주굴절률을 nx, ny, 두께 방향의 굴절률을 nz라 할 때 Nz=(nx-nz)/(nx-ny)> 1.05의 관계를 만족하는,원편광판.
- 제 1 항에 있어서,상기 원편광판의 일면 또는 양면에 제공된 감압성 접착제층을 추가로 포함하는 원편광판.
- 액정 셀, 및 상기 액정 셀의 일면 또는 양면에 배치된 제 1 항에 따른 원편광판을 포함하는 액정 표시 장치.
- 액정 셀, 및 상기 액정 셀의 일면 또는 양면에 배치된 제 2 항에 따른 원편광판을 포함하는 액정 표시 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001307749A JP2003114325A (ja) | 2001-10-03 | 2001-10-03 | 積層1/4波長板、円偏光板及びこれを用いた液晶表示装置、ならびにその製造方法 |
JPJP-P-2001-00307749 | 2001-10-03 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020060064A Division KR20030029472A (ko) | 2001-10-03 | 2002-10-02 | 적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070052254A true KR20070052254A (ko) | 2007-05-21 |
KR100805504B1 KR100805504B1 (ko) | 2008-02-20 |
Family
ID=19127167
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020060064A KR20030029472A (ko) | 2001-10-03 | 2002-10-02 | 적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 |
KR1020070041227A KR100805504B1 (ko) | 2001-10-03 | 2007-04-27 | 적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020060064A KR20030029472A (ko) | 2001-10-03 | 2002-10-02 | 적층 1/4 파장판 또는 원편광판, 그를 사용한 액정 표시장치 및 그의 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (2) | US6762811B2 (ko) |
JP (1) | JP2003114325A (ko) |
KR (2) | KR20030029472A (ko) |
TW (1) | TW594228B (ko) |
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-
2001
- 2001-10-03 JP JP2001307749A patent/JP2003114325A/ja active Pending
-
2002
- 2002-10-02 TW TW091122731A patent/TW594228B/zh not_active IP Right Cessation
- 2002-10-02 KR KR1020020060064A patent/KR20030029472A/ko active Search and Examination
- 2002-10-02 US US10/261,505 patent/US6762811B2/en not_active Expired - Lifetime
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2004
- 2004-05-18 US US10/847,376 patent/US7023513B2/en not_active Expired - Lifetime
-
2007
- 2007-04-27 KR KR1020070041227A patent/KR100805504B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20030029472A (ko) | 2003-04-14 |
US20030067574A1 (en) | 2003-04-10 |
KR100805504B1 (ko) | 2008-02-20 |
US6762811B2 (en) | 2004-07-13 |
US20040212767A1 (en) | 2004-10-28 |
US7023513B2 (en) | 2006-04-04 |
TW594228B (en) | 2004-06-21 |
JP2003114325A (ja) | 2003-04-18 |
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