CA1278890C - Methode d'excitation pour dispositif modulateur optique - Google Patents

Methode d'excitation pour dispositif modulateur optique

Info

Publication number: CA1278890C
Authority: CA; Canada
Prior art keywords: voltage; scanning; liquid crystal; smectic liquid; chiral smectic
Prior art date: 1984-01-23
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

Application number

CA000582351A

Other languages

English (en)

Inventor

Junichiro Kanbe

Kazuharu Katagiri

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Canon Inc

Priority date (The priority date 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 date listed.)

1984-01-23

Filing date

1988-11-04

Publication date

1991-01-08

1984-01-23 Priority claimed from JP1050484A external-priority patent/JPS60156047A/ja

1984-01-23 Priority claimed from JP59010503A external-priority patent/JPS60156046A/ja

1984-12-13 Priority claimed from JP26366284A external-priority patent/JPS61140924A/ja

1984-12-24 Priority claimed from JP27235784A external-priority patent/JPS61149933A/ja

1985-01-21 Priority claimed from CA000472482A external-priority patent/CA1258327A/fr

1988-11-04 Application filed by Canon Inc filed Critical Canon Inc

1991-01-08 Application granted granted Critical

1991-01-08 Publication of CA1278890C publication Critical patent/CA1278890C/fr

2008-01-08 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 53
230000003287 optical effect Effects 0.000 title claims abstract description 41
239000011159 matrix material Substances 0.000 claims abstract description 20
239000004990 Smectic liquid crystal Substances 0.000 claims description 66
230000005684 electric field Effects 0.000 claims description 36
238000012423 maintenance Methods 0.000 claims 1
239000000463 material Substances 0.000 abstract description 15
239000007788 liquid Substances 0.000 abstract description 2
239000004973 liquid crystal related substance Substances 0.000 description 70
230000000875 corresponding effect Effects 0.000 description 10
239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 9
230000036961 partial effect Effects 0.000 description 9
210000004027 cell Anatomy 0.000 description 8
230000000717 retained effect Effects 0.000 description 6
210000002858 crystal cell Anatomy 0.000 description 5
239000011521 glass Substances 0.000 description 4
230000004044 response Effects 0.000 description 4
239000004988 Nematic liquid crystal Substances 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
239000013078 crystal Substances 0.000 description 3
230000000694 effects Effects 0.000 description 3
229920001721 polyimide Polymers 0.000 description 3
230000008901 benefit Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
230000007423 decrease Effects 0.000 description 2
XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
238000012935 Averaging Methods 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
239000004642 Polyimide Substances 0.000 description 1
229940114081 cinnamate Drugs 0.000 description 1
230000002844 continuous effect Effects 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000004744 fabric Substances 0.000 description 1
230000005621 ferroelectricity Effects 0.000 description 1
PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
238000004806 packaging method and process Methods 0.000 description 1
230000002035 prolonged effect Effects 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000004528 spin coating Methods 0.000 description 1
239000000758 substrate Substances 0.000 description 1
229910001887 tin oxide Inorganic materials 0.000 description 1

Landscapes

Liquid Crystal Display Device Control (AREA)
Liquid Crystal (AREA)

CA000582351A 1984-01-23 1988-11-04 Methode d'excitation pour dispositif modulateur optique Expired - Lifetime CA1278890C (fr)

Applications Claiming Priority (9)

Application Number	Priority Date	Filing Date	Title
JP10504/1984		1984-01-23
JP1050484A JPS60156047A (ja)	1984-01-23	1984-01-23	液晶装置
JP10503/1984		1984-01-23
JP59010503A JPS60156046A (ja)	1984-01-23	1984-01-23	液晶装置
JP263662/1984		1984-12-13
JP26366284A JPS61140924A (ja)	1984-12-13	1984-12-13	液晶装置
JP272357/1984		1984-12-24
JP27235784A JPS61149933A (ja)	1984-12-24	1984-12-24	液晶装置
CA000472482A CA1258327A (fr)	1985-01-21	1985-01-21	Methode d'excitation pour dispositif modulateur optique

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000472482A Division CA1258327A (fr)	1984-01-23	1985-01-21	Methode d'excitation pour dispositif modulateur optique

Publications (1)

Publication Number	Publication Date
CA1278890C true CA1278890C (fr)	1991-01-08

Family

ID=27508240

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000582351A Expired - Lifetime CA1278890C (fr)	1984-01-23	1988-11-04	Methode d'excitation pour dispositif modulateur optique

Country Status (1)

Country	Link
CA (1)	CA1278890C (fr)

1988
- 1988-11-04 CA CA000582351A patent/CA1278890C/fr not_active Expired - Lifetime

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Legal Events

Date	Code	Title	Description
2005-01-10	MKLA	Lapsed