GB2135806B - Illumination equipment for a passive display - Google Patents

Illumination equipment for a passive display

Info

Publication number
GB2135806B
GB2135806B GB08401723A GB8401723A GB2135806B GB 2135806 B GB2135806 B GB 2135806B GB 08401723 A GB08401723 A GB 08401723A GB 8401723 A GB8401723 A GB 8401723A GB 2135806 B GB2135806 B GB 2135806B
Authority
GB
United Kingdom
Prior art keywords
illumination equipment
passive display
passive
display
illumination
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
GB08401723A
Other languages
English (en)
Other versions
GB2135806A (en
GB8401723D0 (en
Inventor
Dr Rolf A Cremers
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 GB8401723D0 publication Critical patent/GB8401723D0/en
Publication of GB2135806A publication Critical patent/GB2135806A/en
Application granted granted Critical
Publication of GB2135806B publication Critical patent/GB2135806B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0018—Redirecting means on the surface of the light guide
    • 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
    • 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
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/0028—Light guide, e.g. taper
    • 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
    • G02F1/133616—Front illuminating devices
    • 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)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Details Of Measuring Devices (AREA)
GB08401723A 1983-01-22 1984-01-23 Illumination equipment for a passive display Expired GB2135806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3302157A DE3302157C2 (de) 1983-01-22 1983-01-22 Beleuchtungseinrichtung für eine reflexiv betriebene passive Anzeige

Publications (3)

Publication Number Publication Date
GB8401723D0 GB8401723D0 (en) 1984-02-22
GB2135806A GB2135806A (en) 1984-09-05
GB2135806B true GB2135806B (en) 1986-06-18

Family

ID=6189005

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08401723A Expired GB2135806B (en) 1983-01-22 1984-01-23 Illumination equipment for a passive display

Country Status (4)

Country Link
DE (1) DE3302157C2 (enrdf_load_stackoverflow)
FR (1) FR2539901A3 (enrdf_load_stackoverflow)
GB (1) GB2135806B (enrdf_load_stackoverflow)
IT (1) IT1173062B (enrdf_load_stackoverflow)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB607922A (en) * 1946-03-28 1948-09-07 Eralite Mfg Company Ltd Improvements in lighting fittings
GB674238A (en) * 1949-05-10 1952-06-18 Priestley Studios Ltd Improvements in or relating to advertising or display devices
GB847972A (en) * 1958-01-22 1960-09-14 K G M Electronics Ltd Improvements in or relating to indicator means
GB1092203A (en) * 1964-04-09 1967-11-22 Eastman Kodak Co Display units
US3349511A (en) * 1964-08-12 1967-10-31 Leonard S Aronoff Illuminated sign
DE2024100A1 (de) * 1970-05-16 1971-11-25 Imp Gmbh Radio Fernsehen Phone Flutlichtskala mit einem flachen, quaderförmigen Lichtleiter und mit einer Aussparung zur Aufnahme einer Lampe an einem Ende
IT1110243B (it) * 1978-02-17 1985-12-23 Absil Jean Dispositivo a pannelli luminosi
DE2849919A1 (de) * 1978-11-17 1980-05-29 Ackeret Design & Eng Anordnung zur sieben-segment-darstellung von ziffern
US4250575A (en) * 1979-07-11 1981-02-10 Timex Corporation Illuminator for analog timepiece dial
JPS5622468A (en) * 1979-08-01 1981-03-03 Nissan Motor Liquid crystal display unit
DE3102626A1 (de) * 1981-01-27 1982-08-19 Siemens AG, 1000 Berlin und 8000 München "passive elektrooptische anzeigevorrichtung"
DE8208245U1 (de) * 1982-03-23 1982-09-23 Siemens AG, 1000 Berlin und 8000 München Passive elektro-optische anzeigevorrichtung, insbesondere fluessigkristallanzeige, mit einem plattenfoermigen lichtleiter

Also Published As

Publication number Publication date
FR2539901B3 (enrdf_load_stackoverflow) 1984-12-21
IT8419211A0 (it) 1984-01-18
DE3302157C2 (de) 1987-05-14
GB2135806A (en) 1984-09-05
DE3302157A1 (de) 1984-07-26
GB8401723D0 (en) 1984-02-22
IT1173062B (it) 1987-06-18
FR2539901A3 (fr) 1984-07-27
DE3302157C3 (enrdf_load_stackoverflow) 1991-07-18

Similar Documents

Publication Publication Date Title
DE3380231D1 (en) A display system
DE3363454D1 (en) Passive display device
DE3371578D1 (en) Electroluminescent display unit
GB2149181B (en) Display devices
ZA842136B (en) Illuminated display devices
GB2136622B (en) 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
AU89475S (en) A display sign
GB2141858B (en) Display devices
DE3377306D1 (en) Display for a computer
GB2135806B (en) Illumination equipment for a passive display
GB8414940D0 (en) Display devices
GB8419502D0 (en) Display devices
GB8303916D0 (en) Electroluminescent display devices
KR850003155Y1 (en) A water-sports equipment
GB2146753B (en) A lighting device
GB2124009B (en) Indicating devices having a visual display
GB8326519D0 (en) Display devices
AU87072S (en) A display cabinet
AU90427S (en) A display cabinet
AU92208S (en) A display device
KR850001323Y1 (en) A sign board

Legal Events

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

Effective date: 19940123