CA979105A - Arrangement for a multi-color data indication - Google Patents

Arrangement for a multi-color data indication

Info

Publication number: CA979105A
Authority: CA; Canada
Prior art keywords: arrangement; color data; data indication; indication; color
Prior art date: 1971-09-28
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

Application number

CA152,655A

Other versions

CA152655S (en

Inventor

Waldemar Greubel

Ulrich Wolff

Hans Kruger

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.)

Siemens AG

Original Assignee

Siemens AG

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.)

1971-09-28

Filing date

1972-09-27

Publication date

1975-12-02

1972-09-27 Application filed by Siemens AG filed Critical Siemens AG

1975-12-02 Application granted granted Critical

1975-12-02 Publication of CA979105A publication Critical patent/CA979105A/en

Status Expired legal-status Critical Current

Links

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
- 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
- G02F1/133528—Polarisers
- G02F1/133533—Colour selective polarisers
- 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
- 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
- G02F2413/00—Indexing scheme related to G02F1/13363, i.e. to birefringent elements, e.g. for optical compensation, characterised by the number, position, orientation or value of the compensation plates
- G02F2413/02—Number of plates being 2

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)
Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Liquid Crystal Display Device Control (AREA)

CA152,655A 1971-09-28 1972-09-27 Arrangement for a multi-color data indication Expired CA979105A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2148378A DE2148378C3 (en)	1971-09-28	1971-09-28	Arrangement for multicolored data display

Publications (1)

Publication Number	Publication Date
CA979105A true CA979105A (en)	1975-12-02

Family

ID=5820791

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA152,655A Expired CA979105A (en)	1971-09-28	1972-09-27	Arrangement for a multi-color data indication

Country Status (11)

Country	Link
JP (1)	JPS4843292A (en)
BE (1)	BE789411A (en)
CA (1)	CA979105A (en)
CH (1)	CH554024A (en)
DE (1)	DE2148378C3 (en)
FR (1)	FR2155369A5 (en)
GB (1)	GB1404945A (en)
IT (1)	IT972178B (en)
LU (1)	LU66162A1 (en)
NL (1)	NL7212996A (en)
SE (1)	SE380908B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS50107958A (en) *	1974-01-31	1975-08-25
US4385806A (en) *	1978-06-08	1983-05-31	Fergason James L	Liquid crystal display with improved angle of view and response times
JPS5545037A (en) *	1978-09-26	1980-03-29	Citizen Watch Co Ltd	Liquid crystal display device
JPS5548733A (en) *	1978-10-04	1980-04-08	Citizen Watch Co Ltd	Reflecting type colored liquid crystal display device
JPS5548734A (en) *	1978-10-04	1980-04-08	Citizen Watch Co Ltd	Colored liquid crystal display device
DE3245931A1 (en) *	1982-12-11	1984-06-14	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Liquid crystal display cell
US4582396A (en) *	1983-05-09	1986-04-15	Tektronix, Inc.	Field sequential color display system using optical retardation
DE3537369A1 (en) *	1985-10-21	1987-04-23	Georg Rudolph	Device for projecting the image of a liquid crystal display
JP2822983B2 (en)	1996-06-27	1998-11-11	日本電気株式会社	Transmissive liquid crystal display

0
- BE BE789411D patent/BE789411A/en not_active IP Right Cessation
1971
- 1971-09-28 DE DE2148378A patent/DE2148378C3/en not_active Expired
1972
- 1972-06-20 CH CH923272A patent/CH554024A/en not_active IP Right Cessation
- 1972-06-27 IT IT29728/72A patent/IT972178B/en active
- 1972-08-07 GB GB3676272A patent/GB1404945A/en not_active Expired
- 1972-09-25 SE SE7212333A patent/SE380908B/en unknown
- 1972-09-26 NL NL7212996A patent/NL7212996A/xx not_active Application Discontinuation
- 1972-09-26 LU LU66162A patent/LU66162A1/xx unknown
- 1972-09-27 FR FR7234094A patent/FR2155369A5/fr not_active Expired
- 1972-09-27 CA CA152,655A patent/CA979105A/en not_active Expired
- 1972-09-28 JP JP47097608A patent/JPS4843292A/ja active Pending

Also Published As

Publication number	Publication date
DE2148378A1 (en)	1973-04-05
BE789411A (en)	1973-01-15
CH554024A (en)	1974-09-13
GB1404945A (en)	1975-09-03
FR2155369A5 (en)	1973-05-18
SE380908B (en)	1975-11-17
DE2148378B2 (en)	1979-09-06
DE2148378C3 (en)	1980-05-29
LU66162A1 (en)	1973-01-17
NL7212996A (en)	1973-03-30
JPS4843292A (en)	1973-06-22
IT972178B (en)	1974-05-20

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