JP3923992B2 - 螺旋ネマチック液晶表示装置 - Google Patents
螺旋ネマチック液晶表示装置 Download PDFInfo
- Publication number
- JP3923992B2 JP3923992B2 JP2005368813A JP2005368813A JP3923992B2 JP 3923992 B2 JP3923992 B2 JP 3923992B2 JP 2005368813 A JP2005368813 A JP 2005368813A JP 2005368813 A JP2005368813 A JP 2005368813A JP 3923992 B2 JP3923992 B2 JP 3923992B2
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- JP
- Japan
- Prior art keywords
- liquid crystal
- display device
- correction element
- angle
- contrast ratio
- 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 - Lifetime
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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
- G02F1/133632—Birefringent elements, e.g. for optical compensation with refractive index ellipsoid inclined relative to the LC-layer surface
-
- 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
- G02F1/1396—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 liquid crystal being selectively controlled between a twisted state and a non-twisted state, e.g. TN-LC cell
Landscapes
- 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)
- Projection Apparatus (AREA)
Description
MERCK ZLI−3347型液晶
光路差(ne−n0)d: 476nm
螺旋角度 : 90°
電場の無い時の液晶分子の予備傾斜角度: 2°
SANRITZ LLC2 8218S型の偏光子
「開いた」状態の電圧 : 1.74V
「閉じた」状態の電圧 : 5.40V
光の波長 : 550nm
図3は駆動電圧uの関数としての透過率Tを表し、図4は2つの曲線によって角度特性すなわち光線の方向Rでのコントラスト比CRの変化を表している。図1を参照すると、光線の角度座標はΦとΘであることが分かる。座標ΦはRとZとを含む平面Πの配向を示す。座標ΘはZに対する配向Rを示す。
2 偏光子
3、4 支持板
5 検光子
6 電源
11,11a,11b 補正要素
25 表示装置
26 対物レンズ
27 光軸
Claims (1)
- 一対の基板の間に置かれたツイステッドネマチック(TN)液晶の層と、
前記セルの両側にある2つの直交する偏光子と、
前記セルと前記2つの直交する偏光子の少なくとも一と平行であり且つ前記セルと前記2つの直交する偏光子の少なくとも一との間に備えられた一軸性の負の複屈折を有する、少なくとも1つの補正手段と、
を備える電気駆動式の表示装置であって、
少なくとも前記補正手段の一は液晶を有する層であり、前記の一軸性の負の複屈折を有する補正手段の光学軸は前記セルの主面についての法線に関して傾きの角度を有し、水平方向の角度分布を広くし且つ鉛直方向のコントラスト比の角度分布のずれを取り除くように、前記傾きの角度は0°より大きく、15°より小さい、
電気駆動式の表示装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207831A FR2693020B1 (fr) | 1992-06-26 | 1992-06-26 | Dispositif d'affichage a cristal liquide nematique en helice. |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001313051A Division JP3799257B2 (ja) | 1992-06-26 | 2001-10-10 | 螺旋ネマチック液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006091931A JP2006091931A (ja) | 2006-04-06 |
JP3923992B2 true JP3923992B2 (ja) | 2007-06-06 |
Family
ID=9431198
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18198893A Expired - Lifetime JP3268069B2 (ja) | 1992-06-26 | 1993-06-28 | 螺旋ネマチック液晶ディスプレイ装置 |
JP2001313051A Expired - Lifetime JP3799257B2 (ja) | 1992-06-26 | 2001-10-10 | 螺旋ネマチック液晶表示装置 |
JP2005368813A Expired - Lifetime JP3923992B2 (ja) | 1992-06-26 | 2005-12-21 | 螺旋ネマチック液晶表示装置 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18198893A Expired - Lifetime JP3268069B2 (ja) | 1992-06-26 | 1993-06-28 | 螺旋ネマチック液晶ディスプレイ装置 |
JP2001313051A Expired - Lifetime JP3799257B2 (ja) | 1992-06-26 | 2001-10-10 | 螺旋ネマチック液晶表示装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5375006A (ja) |
EP (2) | EP1103839B1 (ja) |
JP (3) | JP3268069B2 (ja) |
DE (2) | DE69332479T2 (ja) |
ES (2) | ES2231316T3 (ja) |
FR (1) | FR2693020B1 (ja) |
Families Citing this family (85)
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WO1992017813A1 (de) * | 1991-04-03 | 1992-10-15 | MERCK Patent Gesellschaft mit beschränkter Haftung | Elektrooptisches system |
JPH04113301A (ja) * | 1990-09-03 | 1992-04-14 | Asahi Chem Ind Co Ltd | 新規な光学シート及び該シートを用いた液晶表示装置 |
JP2733371B2 (ja) * | 1990-09-12 | 1998-03-30 | 旭化成工業株式会社 | 新規なる光学シート及び該シートを有する液晶表示装置 |
-
1992
- 1992-06-26 FR FR9207831A patent/FR2693020B1/fr not_active Expired - Lifetime
-
1993
- 1993-06-22 EP EP01100823A patent/EP1103839B1/fr not_active Expired - Lifetime
- 1993-06-22 EP EP93401592A patent/EP0576342B1/fr not_active Expired - Lifetime
- 1993-06-22 DE DE69332479T patent/DE69332479T2/de not_active Expired - Lifetime
- 1993-06-22 ES ES01100823T patent/ES2231316T3/es not_active Expired - Lifetime
- 1993-06-22 DE DE69333703T patent/DE69333703T2/de not_active Expired - Lifetime
- 1993-06-22 ES ES93401592T patent/ES2186673T3/es not_active Expired - Lifetime
- 1993-06-24 US US08/080,873 patent/US5375006A/en not_active Expired - Lifetime
- 1993-06-28 JP JP18198893A patent/JP3268069B2/ja not_active Expired - Lifetime
-
2001
- 2001-10-10 JP JP2001313051A patent/JP3799257B2/ja not_active Expired - Lifetime
-
2005
- 2005-12-21 JP JP2005368813A patent/JP3923992B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07128656A (ja) | 1995-05-19 |
EP1103839A8 (fr) | 2001-08-16 |
EP1103839B1 (fr) | 2004-11-17 |
ES2231316T3 (es) | 2005-05-16 |
ES2186673T3 (es) | 2003-05-16 |
DE69332479T2 (de) | 2003-06-18 |
DE69332479D1 (de) | 2002-12-19 |
FR2693020B1 (fr) | 1999-01-22 |
EP1103839A2 (fr) | 2001-05-30 |
JP2006091931A (ja) | 2006-04-06 |
JP2002182217A (ja) | 2002-06-26 |
FR2693020A1 (fr) | 1993-12-31 |
DE69333703T2 (de) | 2005-10-06 |
US5375006A (en) | 1994-12-20 |
EP0576342B1 (fr) | 2002-11-13 |
EP1103839A3 (fr) | 2001-08-22 |
JP3268069B2 (ja) | 2002-03-25 |
EP0576342A1 (fr) | 1993-12-29 |
DE69333703D1 (de) | 2004-12-23 |
JP3799257B2 (ja) | 2006-07-19 |
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