JP5297575B2 - 液晶光変調素子の駆動方法および駆動装置 - Google Patents
液晶光変調素子の駆動方法および駆動装置 Download PDFInfo
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- JP5297575B2 JP5297575B2 JP2005061580A JP2005061580A JP5297575B2 JP 5297575 B2 JP5297575 B2 JP 5297575B2 JP 2005061580 A JP2005061580 A JP 2005061580A JP 2005061580 A JP2005061580 A JP 2005061580A JP 5297575 B2 JP5297575 B2 JP 5297575B2
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- liquid crystal
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- 239000004973 liquid crystal related substance Substances 0.000 title claims description 115
- 238000000034 method Methods 0.000 title claims description 41
- 230000008859 change Effects 0.000 claims description 30
- 230000003321 amplification Effects 0.000 claims description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 9
- 230000005684 electric field Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
- G02F2203/00—Function characteristic
- G02F2203/48—Variable attenuator
-
- 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
- G09G3/2007—Display of intermediate tones
- G09G3/2014—Display of intermediate tones by modulation of the duration of a single pulse during which the logic level remains constant
-
- 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
- G09G3/3622—Control of matrices with row and column drivers using a passive matrix
Description
14 コモン電極
15 セグメント電極
19 液晶
22 セグメント駆動回路
23 コモン駆動回路
24 制御回路
25 アナログ電源回路
39 第1の直流電源
40 第2の直流電源
41 第3の直流電源
42,43 可変直流電源
Claims (4)
- 駆動装置を用いて、液晶変調素子の対向するコモン電極とセグメント電極の間に封止された液晶に、変調データに基づいてパルス幅変調された駆動信号による交番電界を印加して、前記液晶をスタティック駆動するにあたって、
前記駆動装置は、
変調データに基づいて、前記セグメント電極に印加するセグメント信号を生成するセグメント駆動回路と、
極性信号に基づいて、前記コモン電極に印加するコモン信号を生成するコモン駆動回路と、
を備え、
前記セグメント駆動回路にパルス幅変調を行う際のタイミングを制御するクロック信号を供給するとともに、前記コモン駆動回路に前記極性信号を供給し、
第1の直流電源によって、前記セグメント駆動回路に電圧増幅を行うための直流電圧を供給し、
第2の直流電源および第3の直流電源によって、前記コモン駆動回路に、前記第1の直流電源によって生成される電圧にバイアス電圧を重畳した直流電圧を、電圧増幅を行うための電圧として供給することを特徴とする液晶光変調素子の駆動方法。 - 液晶変調素子の対向するコモン電極とセグメント電極の間に封止された液晶に、変調データに基づいてパルス幅変調された駆動信号による交番電界を印加して、前記液晶をスタティック駆動する駆動装置であって、
変調データに基づいて、前記セグメント電極に印加するセグメント信号を生成するセグメント駆動回路と、
極性信号に基づいて、前記コモン電極に印加するコモン信号を生成するコモン駆動回路と、
前記セグメント駆動回路にパルス幅変調を行う際のタイミングを制御するクロック信号を供給するとともに、前記コモン駆動回路に前記極性信号を供給する制御回路と、
前記セグメント駆動回路に電圧増幅を行うための直流電圧を供給する第1の直流電源、並びに前記コモン駆動回路に、前記第1の直流電源によって生成される電圧にバイアス電圧を重畳した直流電圧を、電圧増幅を行うための電圧として供給する第2の直流電源および第3の直流電源を含むアナログ電源回路と、
を備えることを特徴とする液晶光変調素子の駆動装置。 - 前記第2の直流電源および前記第3の直流電源は、可変直流電源であることを特徴とする請求項2に記載の液晶光変調素子の駆動装置。
- 前記第2の直流電源および前記第3の直流電源は、前記液晶の特性変動を補正するための補正信号に基づいて、前記液晶の特性変動を打ち消すように前記バイアス電圧を変化させることを特徴とする請求項3に記載の液晶光変調素子の駆動装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005061580A JP5297575B2 (ja) | 2005-03-04 | 2005-03-04 | 液晶光変調素子の駆動方法および駆動装置 |
US11/367,319 US7336250B2 (en) | 2005-03-04 | 2006-03-06 | Method and apparatus for driving liquid-crystal optical-modulation device |
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---|---|---|---|
JP2005061580A JP5297575B2 (ja) | 2005-03-04 | 2005-03-04 | 液晶光変調素子の駆動方法および駆動装置 |
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JP2006243560A JP2006243560A (ja) | 2006-09-14 |
JP2006243560A5 JP2006243560A5 (ja) | 2008-04-17 |
JP5297575B2 true JP5297575B2 (ja) | 2013-09-25 |
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JP2005061580A Expired - Fee Related JP5297575B2 (ja) | 2005-03-04 | 2005-03-04 | 液晶光変調素子の駆動方法および駆動装置 |
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US (1) | US7336250B2 (ja) |
JP (1) | JP5297575B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100683154B1 (ko) * | 2004-08-24 | 2007-03-12 | 비오이 하이디스 테크놀로지 주식회사 | Ocb 모드 액정표시장치 및 그 구동방법 |
JP2009288754A (ja) * | 2008-06-02 | 2009-12-10 | United Radiant Technology Corp | 液晶表示装置の駆動方法 |
JP2017078828A (ja) * | 2015-10-22 | 2017-04-27 | 株式会社 オルタステクノロジー | 液晶駆動装置及び液晶駆動方法 |
CN113056702B (zh) * | 2019-03-25 | 2023-09-19 | Jvc建伍株式会社 | 相位调制装置以及相位调制方法 |
JP7322555B2 (ja) | 2019-07-05 | 2023-08-08 | セイコーエプソン株式会社 | 電気光学装置、電子機器及び移動体 |
JP2021012268A (ja) * | 2019-07-05 | 2021-02-04 | セイコーエプソン株式会社 | 表示ドライバー、電気光学装置、電子機器及び移動体 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59157572A (ja) | 1983-02-28 | 1984-09-06 | Nippon Seiki Co Ltd | 液晶表示装置 |
US6326943B1 (en) * | 1987-03-31 | 2001-12-04 | Canon Kabushiki Kaisha | Display device |
JPH05127616A (ja) * | 1991-10-31 | 1993-05-25 | Canon Inc | 電気光学表示装置および電気光学素子駆動装置 |
JPH05158444A (ja) * | 1991-12-04 | 1993-06-25 | Canon Inc | 液晶表示装置 |
US5357317A (en) * | 1992-03-10 | 1994-10-18 | Konica Corporation | Electrostatic recording apparatus using variable bias developing voltage |
EP0740185A2 (en) * | 1995-04-26 | 1996-10-30 | Canon Kabushiki Kaisha | Liquid crystal device, image display apparatus and image forming apparatus |
US7737933B2 (en) * | 2000-09-26 | 2010-06-15 | Toshiba Matsushita Display Technology Co., Ltd. | Display unit and drive system thereof and an information display unit |
JP4084203B2 (ja) * | 2002-01-31 | 2008-04-30 | シチズンホールディングス株式会社 | 光偏向装置 |
JP4184693B2 (ja) * | 2002-04-04 | 2008-11-19 | シチズンホールディングス株式会社 | 偏光制御型液晶光変調器 |
JP2005017971A (ja) * | 2003-06-30 | 2005-01-20 | Mitsubishi Gas Chem Co Inc | 反強誘電性液晶パネルの駆動方法 |
US7123796B2 (en) * | 2003-12-08 | 2006-10-17 | University Of Cincinnati | Light emissive display based on lightwave coupling |
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2005
- 2005-03-04 JP JP2005061580A patent/JP5297575B2/ja not_active Expired - Fee Related
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- 2006-03-06 US US11/367,319 patent/US7336250B2/en active Active
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Publication number | Publication date |
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JP2006243560A (ja) | 2006-09-14 |
US7336250B2 (en) | 2008-02-26 |
US20060197729A1 (en) | 2006-09-07 |
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