CH621458GA3 - Display arrangement for representing images which contrast optically against a background - Google Patents

Display arrangement for representing images which contrast optically against a background

Info

Publication number: CH621458GA3
Authority: CH; Switzerland
Prior art keywords: background; display arrangement; representing images; contrast; contrast optically
Prior art date: 1977-02-15

Application number

CH1495477A

Other versions

CH621458B5 (en

Inventor

Guenter Dr Baur

Waldemar Greubel

Hans Krueger

Alois Dr Schauer

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.)

1977-02-15

Filing date

1977-12-07

Publication date

1981-02-13

1977-12-07 Application filed by Siemens Ag filed Critical Siemens Ag

1981-02-13 Publication of CH621458GA3 publication Critical patent/CH621458GA3/en

1981-08-14 Publication of CH621458B5 publication Critical patent/CH621458B5/xx

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
- G02F1/1336—Illuminating devices
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent materials, e.g. electroluminescent or chemiluminescent
- C09K11/04—Luminescent materials, e.g. electroluminescent or chemiluminescent containing natural or artificial radioactive elements or unspecified radioactive elements
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0035—Details constructional
- G04G9/0041—Illumination devices

Landscapes

Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Nonlinear Science (AREA)
General Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Optics & Photonics (AREA)
Liquid Crystal (AREA)
Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Electric Clocks (AREA)

CH1495477A 1977-02-15 1977-12-07 Display arrangement for representing images which contrast optically against a background CH621458GA3 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2706375A DE2706375C3 (en)	1977-02-15	1977-02-15	Display arrangement with a light valve device, in particular a liquid crystal cell

Publications (2)

Publication Number	Publication Date
CH621458GA3 true CH621458GA3 (en)	1981-02-13
CH621458B5 CH621458B5 (en)	1981-08-14

Family

ID=6001250

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1495477A CH621458GA3 (en)	1977-02-15	1977-12-07	Display arrangement for representing images which contrast optically against a background

Country Status (11)

Country	Link
JP (1)	JPS53101996A (en)
AT (1)	AT368294B (en)
BE (1)	BE863987A (en)
CA (1)	CA1108737A (en)
CH (1)	CH621458GA3 (en)
DE (1)	DE2706375C3 (en)
FR (1)	FR2380609A1 (en)
GB (1)	GB1585751A (en)
IT (1)	IT1092686B (en)
NL (1)	NL7801664A (en)
SE (1)	SE7801774L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2835347A1 (en) *	1978-08-11	1980-02-28	Fraunhofer Ges Forschung	DISPLAY DEVICE WITH AN ELECTROOPTIC LIGHT VALVE
GB2189918B (en) *	1985-07-23	1990-01-04	John Thomas	Visual display means
DE3738414A1 (en) *	1987-11-12	1989-05-24	Bosch Gmbh Robert	Device for illuminating passive information displays, preferably LCDs
EP1341009B1 (en) †	1996-09-24	2006-04-19	Seiko Epson Corporation	Illumination device and display device using it
WO2002054445A2 (en) *	2000-12-28	2002-07-11	Guy Andrew Vaz	Photon power cell

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT946051B (en) *	1970-12-04	1973-05-21	Hoffmann La Roche	OPTICAL CELL
DE2221441A1 (en) *	1972-05-02	1973-11-15	Bernt Von Grabe	OPTOELECTRONIC SIGN GENERATOR
DE2232632C3 (en) *	1972-07-03	1981-09-17	Metall-Invent S.A., Zug	Display device
JPS50107958A (en) *	1974-01-31	1975-08-25
DE7426201U (en) *	1974-08-01	1974-11-14	Gebrueder Junghans Gmbh	Liquid crystal display devices, in particular for small watches
US3950078A (en) *	1974-10-16	1976-04-13	Timex Corporation	Liquid crystal display
US3959655A (en) *	1975-02-06	1976-05-25	Eastman Kodak Company	Light source for optical sound recording and reproduction apparatus
DD120724A1 (en) *	1975-06-12	1976-06-20
CH589307A5 (en) *	1975-06-27	1977-06-30	Bbc Brown Boveri & Cie
JPS526496A (en) *	1975-07-04	1977-01-18	Toshiba Corp	Liquid crystal indicator

1977
- 1977-02-15 DE DE2706375A patent/DE2706375C3/en not_active Expired
- 1977-12-07 CH CH1495477A patent/CH621458GA3/en not_active IP Right Cessation
1978
- 1978-02-09 FR FR7803643A patent/FR2380609A1/en active Granted
- 1978-02-13 AT AT0100478A patent/AT368294B/en not_active IP Right Cessation
- 1978-02-13 IT IT20211/78A patent/IT1092686B/en active
- 1978-02-14 GB GB5772/78A patent/GB1585751A/en not_active Expired
- 1978-02-14 NL NL7801664A patent/NL7801664A/en not_active Application Discontinuation
- 1978-02-14 CA CA296,925A patent/CA1108737A/en not_active Expired
- 1978-02-15 BE BE185194A patent/BE863987A/en not_active IP Right Cessation
- 1978-02-15 SE SE7801774A patent/SE7801774L/en unknown
- 1978-02-15 JP JP1638178A patent/JPS53101996A/en active Pending

Also Published As

Publication number	Publication date
GB1585751A (en)	1981-03-11
IT7820211A0 (en)	1978-02-13
SE7801774L (en)	1978-08-15
DE2706375A1 (en)	1978-08-17
BE863987A (en)	1978-05-29
IT1092686B (en)	1985-07-12
NL7801664A (en)	1978-08-17
DE2706375C3 (en)	1982-08-26
FR2380609A1 (en)	1978-09-08
AT368294B (en)	1982-09-27
CA1108737A (en)	1981-09-08
CH621458B5 (en)	1981-08-14
DE2706375B2 (en)	1978-11-30
JPS53101996A (en)	1978-09-05
FR2380609B1 (en)	1982-07-16
ATA100478A (en)	1980-12-15

Legal Events

Date	Code	Title	Description
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
JPS55110294A (en)	1980-08-25	Image display unit
GB2008908B (en)	1982-02-24	Image display apparatus
JPS5499381A (en)	1979-08-06	Video a trace display system
IL54915A (en)	1980-10-26	C.r.t.with electrooptic screen for increasing image contrast
JPS55118084A (en)	1980-09-10	Image display unit
JPS53101999A (en)	1978-09-05	Device for displaying light image on dark background
JPS5429202A (en)	1979-03-05	Device for making outline image
JPS5638080A (en)	1981-04-13	Image display unit
JPS5666892A (en)	1981-06-05	Image display unit
GB2008303B (en)	1982-03-24	Image display panel
JPS5688191A (en)	1981-07-17	Image display unit
JPS5660176A (en)	1981-05-23	Image display unit
JPS55120095A (en)	1980-09-16	Image display unit
JPS53101997A (en)	1978-09-05	Device for displaying light image on dark background
GB2013887B (en)	1982-12-08	Optical image accousto-electric reading device
JPS5617381A (en)	1981-02-19	Image display unit
JPS5588094A (en)	1980-07-03	Image display unit
JPS5691285A (en)	1981-07-24	Image display unit
JPS55157787A (en)	1980-12-08	Image display unit
JPS552266A (en)	1980-01-09	Image display unit
JPS5598780A (en)	1980-07-28	Image display unit
JPS55156990A (en)	1980-12-06	Image display unit
JPS55144289A (en)	1980-11-11	Image display unit
JPS53120335A (en)	1978-10-20	Device for shifting picture on display unit
AU511955B2 (en)	1980-09-11	Image display device