JP2009540392A - 電気光学レンズのパワー消費を低減する方法 - Google Patents
電気光学レンズのパワー消費を低減する方法 Download PDFInfo
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
- G02C7/083—Electrooptic lenses
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3614—Control of polarity reversal in general
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/294—Variable focal length devices
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/02—Details of power systems and of start or stop of display operation
- G09G2330/021—Power management, e.g. power saving
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
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- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Health & Medical Sciences (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Liquid Crystal (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
Abstract
Description
Vrms=<(V1−V2)2>1/2=<(V1−Vref)2>1/2=<(V1)2>1/2
しかし、V2がVrefと等しく(held)ない場合、次のことが言える。
Vrms=<(V1−V2)2>1/2
この場合、電極駆動電圧の同期(synchronization)により次の範囲にVrmsの値を発生させる。
Vrms1+Vrms2≧Vrms≧|Vrms1−Vrms2|
2つの低電圧の駆動装置から高い変調電圧Vrmsを提供するため、逆位相方形波駆動を使用した重要例が添付した図4で示されている。V2は振幅がVsw2の方形波として一定に保たれ、V1はV2に対して180°位相遅れの方形波として印加され、所望の制御電圧を達成するために振幅Vsw1は変化する。図4に示すように、この状況では次のようになる。
ここで述べたように、Vrms2=Vsw2がLCフィルムの閾値電圧の下でないが近い(near but below)値に設定される場合、より小さい値のVrms1=Vsw1がLC DOEを制御するのに用いられる。(代わりに、次の範囲内で所望のVrmsに到達するため、Vsw1を固定し、方形波間の位相差を変化させてもよい。
Vsw1+Vsw2≧Vrms≧|Vsw1−Vsw2|)
方形波の使用は実例であるが、1つの例にすぎない。同様のVrmsの制御が、その他の駆動波形状(例えば、サイン波、不完全(imperfect)方形波及びこの分野において知られているその他の方法)での振幅及び位相の制御が達成されてもよい。
Claims (12)
- 一対の向き合った透明基板の間の液晶層と、
前記液晶層と第1の前記透明基板の内向きの表面との間に配置されるパターン化された電極セットと、
前記液晶層と前記第2の前記透明基板の内向きの表面との間に配置され、前記パターン化された電極セットに電気的に接続される導電層と、
前記パターン化された電極セット及び前記導電層に電圧を印加し、前記導電層に印加されるRMS電圧を閾値電圧(前記液晶層での光透過性がこれより高い値で変化するRMS電圧差)以下にするとともに、前記パターン化された電極セットに印加する電圧と前記導電層に印加する電圧との間のRMS電圧差を前記液晶で所望の量の光透過性の変化を実現するのに十分な大きさにする手段と、
を備える電気光学装置。 - 前記液晶はE7である請求項1の装置。
- 前記透明基板はガラスである請求項1の装置。
- 前記透明基板はプラスチックである請求項1の装置。
- 前記電極及び前記導電層はイジウム−スズ−酸化物である請求項1の装置。
- さらに、前記液晶層の周辺に配向層を備える請求項1の装置。
- 前記配向層はポリビニルアルコールである請求項6の装置。
- 前記配向層はナイロン6,6である請求項6の装置。
- 前記透明基板は略3ミクロンと略20ミクロンの間の距離だけ離れている請求項1の装置。
- 前記透明基板は略3ミクロンと略8ミクロンの間の距離だけ離れている請求項9の装置。
- 一対の向き合った透明基板の間の液晶層を提供する工程と、
前記液晶層と第1の前記透明基板の内向きの表面との間にパターン化された電極セットを配置する工程と、
前記液晶層と前記第2の前記透明基板の内向きの表面との間の導電層を前記パターン化された電極セットと電気的に接続する工程と、
前記導電層に、前記液晶層での光透過性がこれより高い値で変化する閾値電圧以下の電圧を印加する工程と、
前記パターン化された電極セットに、前記液晶で所望の量の光透過性の変化を実現するのに十分な電圧を印加する工程と、
を備える光を屈折する方法。 - 前記導電層に印加する電圧は前記液晶の閾値電圧より低い請求項11の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80449406P | 2006-06-12 | 2006-06-12 | |
PCT/US2007/070827 WO2007146853A2 (en) | 2006-06-12 | 2007-06-11 | Method to reduce power consumption with electro-optic lenses |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012115827A Division JP5415585B2 (ja) | 2006-06-12 | 2012-05-21 | 電気光学レンズのパワー消費を低減する方法 |
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JP2009540392A true JP2009540392A (ja) | 2009-11-19 |
JP2009540392A5 JP2009540392A5 (ja) | 2010-07-29 |
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JP2009515581A Withdrawn JP2009540392A (ja) | 2006-06-12 | 2007-06-11 | 電気光学レンズのパワー消費を低減する方法 |
JP2012115827A Expired - Fee Related JP5415585B2 (ja) | 2006-06-12 | 2012-05-21 | 電気光学レンズのパワー消費を低減する方法 |
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JP2012115827A Expired - Fee Related JP5415585B2 (ja) | 2006-06-12 | 2012-05-21 | 電気光学レンズのパワー消費を低減する方法 |
Country Status (13)
Country | Link |
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US (1) | US7755583B2 (ja) |
EP (1) | EP2030101A4 (ja) |
JP (2) | JP2009540392A (ja) |
KR (1) | KR101313007B1 (ja) |
CN (1) | CN101501616B (ja) |
AR (1) | AR061344A1 (ja) |
AU (1) | AU2007257765C1 (ja) |
BR (1) | BRPI0713005A2 (ja) |
CA (1) | CA2655293C (ja) |
HK (1) | HK1137069A1 (ja) |
MX (1) | MX2008015907A (ja) |
TW (1) | TWI425271B (ja) |
WO (1) | WO2007146853A2 (ja) |
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- 2007-06-11 MX MX2008015907A patent/MX2008015907A/es active IP Right Grant
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Also Published As
Publication number | Publication date |
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CA2655293C (en) | 2016-02-09 |
EP2030101A2 (en) | 2009-03-04 |
US20070290972A1 (en) | 2007-12-20 |
KR101313007B1 (ko) | 2013-10-01 |
KR20090012368A (ko) | 2009-02-03 |
EP2030101A4 (en) | 2009-12-02 |
JP5415585B2 (ja) | 2014-02-12 |
CA2655293A1 (en) | 2007-12-21 |
WO2007146853A2 (en) | 2007-12-21 |
MX2008015907A (es) | 2009-01-14 |
BRPI0713005A2 (pt) | 2012-04-17 |
CN101501616B (zh) | 2012-02-22 |
US7755583B2 (en) | 2010-07-13 |
AU2007257765C1 (en) | 2011-04-28 |
CN101501616A (zh) | 2009-08-05 |
TW200815823A (en) | 2008-04-01 |
AR061344A1 (es) | 2008-08-20 |
JP2012237999A (ja) | 2012-12-06 |
AU2007257765A1 (en) | 2007-12-21 |
TWI425271B (zh) | 2014-02-01 |
WO2007146853A3 (en) | 2008-10-30 |
AU2007257765B2 (en) | 2010-12-09 |
HK1137069A1 (en) | 2010-07-16 |
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