IT8420564V0 - DEVICE FOR A PASSIVE REFLECTIVE OPERATING INDICATOR. - Google Patents

DEVICE FOR A PASSIVE REFLECTIVE OPERATING INDICATOR.

Info

Publication number
IT8420564V0
IT8420564V0 IT8420564U IT2056484U IT8420564V0 IT 8420564 V0 IT8420564 V0 IT 8420564V0 IT 8420564 U IT8420564 U IT 8420564U IT 2056484 U IT2056484 U IT 2056484U IT 8420564 V0 IT8420564 V0 IT 8420564V0
Authority
IT
Italy
Prior art keywords
operating indicator
passive reflective
reflective operating
passive
indicator
Prior art date
Application number
IT8420564U
Other languages
Italian (it)
Inventor
A Cremers Rolf
Original Assignee
Borg Instr Gmbh
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 Instr Gmbh filed Critical Borg Instr Gmbh
Publication of IT8420564V0 publication Critical patent/IT8420564V0/en

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)
IT8420564U 1983-01-22 1984-01-18 DEVICE FOR A PASSIVE REFLECTIVE OPERATING INDICATOR. IT8420564V0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3302156A DE3302156C2 (en) 1983-01-22 1983-01-22 Lighting device for a transmissively operable passive display

Publications (1)

Publication Number Publication Date
IT8420564V0 true IT8420564V0 (en) 1984-01-18

Family

ID=6189004

Family Applications (3)

Application Number Title Priority Date Filing Date
IT19210/84A IT1173061B (en) 1983-01-22 1984-01-18 LIGHTING DEVICE FOR A PASSIVE INDICATOR SUITABLE FOR TRANSMISSION OPERATION
IT8420564U IT8420564V0 (en) 1983-01-22 1984-01-18 DEVICE FOR A PASSIVE REFLECTIVE OPERATING INDICATOR.
IT8420563U IT8420563V0 (en) 1983-01-22 1984-01-18 LIGHTING DEVICE FOR A PASSIVE INDICATOR SUITABLE FOR TRANSMISSION OPERATION.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT19210/84A IT1173061B (en) 1983-01-22 1984-01-18 LIGHTING DEVICE FOR A PASSIVE INDICATOR SUITABLE FOR TRANSMISSION OPERATION

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT8420563U IT8420563V0 (en) 1983-01-22 1984-01-18 LIGHTING DEVICE FOR A PASSIVE INDICATOR SUITABLE FOR TRANSMISSION OPERATION.

Country Status (4)

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

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 (en) * 1986-08-14 1988-02-25 Bosch Gmbh Robert DISPLAY DEVICE WITH LIQUID CRYSTAL CELL, PREFERABLY FOR MOTOR VEHICLES
DE3639008A1 (en) * 1986-11-14 1988-05-19 Bosch Gmbh Robert DISPLAY DEVICE WITH LIQUID CRYSTAL CELL, PREFERABLY FOR MOTOR VEHICLES
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 (en) * 1992-08-31 1994-07-25 Kai Markus Martesuo Instrument
JP4467493B2 (en) 2005-09-16 2010-05-26 シャープ株式会社 Backlight device and display device including the same

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 (en) * 1979-05-31 1980-09-15 Bbc Brown Boveri & Cie
DE2931328C2 (en) * 1979-08-02 1981-10-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart Display arrangement with a liquid cell
DE3019419A1 (en) * 1980-05-21 1981-12-03 Patra Patent Treuhand LIGHTING DEVICE FOR DISPLAY ARRANGEMENT
DE3145127C3 (en) * 1981-03-13 1996-08-01 Bosch Gmbh Robert Method for producing a film for a device for the gradient-free illumination of passive display devices

Also Published As

Publication number Publication date
DE3302156A1 (en) 1984-07-26
FR2539900B3 (en) 1984-12-21
DE3302156C2 (en) 1989-11-23
IT8420563V0 (en) 1984-01-18
FR2539900A3 (en) 1984-07-27
GB2136186A (en) 1984-09-12
GB2136186B (en) 1986-06-04
GB8401724D0 (en) 1984-02-22
IT1173061B (en) 1987-06-18
IT8419210A0 (en) 1984-01-18

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