GB2136186B - Illumination equipment for a transmissively-operable passive display - Google Patents

Illumination equipment for a transmissively-operable passive display

Info

Publication number
GB2136186B
GB2136186B GB08401724A GB8401724A GB2136186B GB 2136186 B GB2136186 B GB 2136186B GB 08401724 A GB08401724 A GB 08401724A GB 8401724 A GB8401724 A GB 8401724A GB 2136186 B GB2136186 B GB 2136186B
Authority
GB
United Kingdom
Prior art keywords
transmissively
illumination equipment
passive display
operable
operable passive
Prior art date
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
GB08401724A
Other languages
English (en)
Other versions
GB8401724D0 (en
GB2136186A (en
Inventor
Dr Rolf A Cremers
Manfred Barth
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.)
Borg Instruments AG
Original Assignee
Borg Instruments 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.)
Filing date
Publication date
Application filed by Borg Instruments AG filed Critical Borg Instruments AG
Publication of GB8401724D0 publication Critical patent/GB8401724D0/en
Publication of GB2136186A publication Critical patent/GB2136186A/en
Application granted granted Critical
Publication of GB2136186B publication Critical patent/GB2136186B/en
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
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • 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
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • G02F1/133626—Illuminating devices providing two modes of illumination, e.g. day-night

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
GB08401724A 1983-01-22 1984-01-23 Illumination equipment for a transmissively-operable passive display Expired GB2136186B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3302156A DE3302156C2 (de) 1983-01-22 1983-01-22 Beleuchtungseinrichtung für eine transmissiv betreibbare passive Anzeige

Publications (3)

Publication Number Publication Date
GB8401724D0 GB8401724D0 (en) 1984-02-22
GB2136186A GB2136186A (en) 1984-09-12
GB2136186B true GB2136186B (en) 1986-06-04

Family

ID=6189004

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08401724A Expired GB2136186B (en) 1983-01-22 1984-01-23 Illumination equipment for a transmissively-operable passive display

Country Status (4)

Country Link
DE (1) DE3302156C2 (de)
FR (1) FR2539900A3 (de)
GB (1) GB2136186B (de)
IT (3) IT1173061B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720706A (en) * 1985-08-26 1988-01-19 Stine Edward V Method and apparatus for electro-optical color imaging
DE3627697A1 (de) * 1986-08-14 1988-02-25 Bosch Gmbh Robert Anzeigegeraet mit fluessigkristallzelle, vorzugsweise fuer kraftfahrzeuge
DE3639008A1 (de) * 1986-11-14 1988-05-19 Bosch Gmbh Robert Anzeigegeraet mit fluessigkristallzelle, vorzugsweise fuer kraftfahrzeuge
US5402143A (en) * 1991-12-23 1995-03-28 Panocorp Display Systems Color fluorescent liquid crystal display
GB2267378B (en) * 1992-05-22 1996-07-10 Nokia Mobile Phones Uk Illuminated LCD apparatus
FI91686C (fi) * 1992-08-31 1994-07-25 Kai Markus Martesuo Instrumentti
JP4467493B2 (ja) * 2005-09-16 2010-05-26 シャープ株式会社 バックライト装置及びこれを備える表示装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB450329A (en) * 1934-11-01 1936-07-15 Vibra Lite Ltd Method of and apparatus for illuminating displays
GB746165A (en) * 1953-12-29 1956-03-07 Forges Ateliers Const Electr Improvements relating to illuminated signalling panels
US2880536A (en) * 1957-06-10 1959-04-07 American Mach & Foundry Illuminated display device
US3537971A (en) * 1967-08-07 1970-11-03 Rca Corp Apparatus for electroplating a ribbon
US3674341A (en) * 1970-12-08 1972-07-04 Scm Corp Liquid crystal display device having improved optical contrast
CH619301A5 (de) * 1979-05-31 1980-09-15 Bbc Brown Boveri & Cie
DE2931328C2 (de) * 1979-08-02 1981-10-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anzeigeanordnung mit einer Flüssigkeitszelle
DE3019419A1 (de) * 1980-05-21 1981-12-03 Patra Patent Treuhand Beleuchtungsvorrichtung fuer anzeigeanordnung
DE3145127C3 (de) * 1981-03-13 1996-08-01 Bosch Gmbh Robert Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen

Also Published As

Publication number Publication date
GB8401724D0 (en) 1984-02-22
DE3302156A1 (de) 1984-07-26
DE3302156C2 (de) 1989-11-23
IT8419210A0 (it) 1984-01-18
IT8420564V0 (it) 1984-01-18
FR2539900A3 (fr) 1984-07-27
GB2136186A (en) 1984-09-12
FR2539900B3 (de) 1984-12-21
IT8420563V0 (it) 1984-01-18
IT1173061B (it) 1987-06-18

Similar Documents

Publication Publication Date Title
DE3380231D1 (en) A display system
DE3363454D1 (en) Passive display device
GB8328180D0 (en) Display devices
DE3371578D1 (en) Electroluminescent display unit
GB2149181B (en) Display devices
GB2136622B (en) Display devices
ZA842136B (en) Illuminated display devices
GB2217520B (en) Electronic equipment practice
GB2136186B (en) Illumination equipment for a transmissively-operable passive display
GB2118210B (en) Reflectors for passive display devices
GB8315871D0 (en) Display devices
DE3473072D1 (en) Luminous display device
DE3377306D1 (en) Display for a computer
GB2135806B (en) Illumination equipment for a passive display
GB2141858B (en) Display devices
GB2238624B (en) Camera equipment
GB8303916D0 (en) Electroluminescent display devices
AU89475S (en) A display sign
GB8414940D0 (en) Display devices
EP0420701A3 (en) A display apparatus
DE3375273D1 (en) Electroluminescent display
EP0468207A3 (en) Table with a system for changing equipment
KR850003155Y1 (en) A water-sports equipment
GB2146753B (en) A lighting device
GB2124009B (en) Indicating devices having a visual display

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000123