JPS57165887A - Apparatus for gradient-free lighting of passive display unit equipped with light source and method of making same - Google Patents

Apparatus for gradient-free lighting of passive display unit equipped with light source and method of making same

Info

Publication number
JPS57165887A
JPS57165887A JP3818582A JP3818582A JPS57165887A JP S57165887 A JPS57165887 A JP S57165887A JP 3818582 A JP3818582 A JP 3818582A JP 3818582 A JP3818582 A JP 3818582A JP S57165887 A JPS57165887 A JP S57165887A
Authority
JP
Japan
Prior art keywords
gradient
light source
display unit
making same
unit equipped
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.)
Pending
Application number
JP3818582A
Other languages
English (en)
Japanese (ja)
Inventor
Kunoru Peetaa
Keenitsuhi Buinfuriito
Tsuiikuraa Buorufugangu
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPS57165887A publication Critical patent/JPS57165887A/ja
Pending 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
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • 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
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
    • 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
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity
    • 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
    • G09F9/35—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 being liquid crystals
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Optical Elements Other Than Lenses (AREA)
JP3818582A 1981-03-13 1982-03-12 Apparatus for gradient-free lighting of passive display unit equipped with light source and method of making same Pending JPS57165887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3109643 1981-03-13

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP1120579A Division JPH02160280A (ja) 1981-03-13 1989-05-16 光源を備える受動的表示装置を均一照度に照明する装置

Publications (1)

Publication Number Publication Date
JPS57165887A true JPS57165887A (en) 1982-10-13

Family

ID=6127135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3818582A Pending JPS57165887A (en) 1981-03-13 1982-03-12 Apparatus for gradient-free lighting of passive display unit equipped with light source and method of making same

Country Status (2)

Country Link
JP (1) JPS57165887A (enExample)
DE (1) DE3145127C3 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044076U (ja) * 1983-08-31 1985-03-28 シャープ株式会社 表示装置用ライトボックス

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3123369A1 (de) * 1981-06-12 1983-02-03 Vdo Schindling Lichtleiter
DE3302156C2 (de) * 1983-01-22 1989-11-23 Borg Instruments GmbH, 7537 Remchingen Beleuchtungseinrichtung für eine transmissiv betreibbare passive Anzeige
DE3331724A1 (de) * 1983-09-02 1985-03-21 Robert Bosch Gmbh, 7000 Stuttgart Anordnung zur beleuchtung passiver anzeigen
DE3543014A1 (de) * 1985-12-05 1987-06-11 Hinrichs Fotowerbung Gmbh Leuchtkasten fuer diapositive
DE3833960A1 (de) * 1988-10-06 1990-04-26 Karl Gerhard Leuchtscheibe
DE4135506C2 (de) * 1991-10-28 1994-06-16 Triumph Adler Ag Hintergrundbeleuchtete Anzeigevorrichtung und Verfahren zur Herstellung einer Streufolie für eine solche Anzeigevorrichtung
JP4501515B2 (ja) * 2003-06-16 2010-07-14 株式会社デンソー 車両用表示装置およびその表示板
DE102005011411A1 (de) * 2005-03-11 2006-09-14 Siemens Ag Verfahren zur Erzeugung einer im Wesentlichen gleichmäßigen Leuchtdichteverteilung auf einer LCD-Anzeige

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2384578A (en) * 1943-03-10 1945-09-11 Bausch & Lomb Optical element
DE854550C (de) * 1950-09-09 1952-11-06 Edmund Dr Germer Langgestreckte Hochdruckmetalldampfentladungsroehre mit gleichmaessiger Strahlungsemission und Verfahren zu ihrer Herstellung
DE886581C (de) * 1951-07-17 1953-08-17 Siemens Ag Elektrische Strassenleuchte mit nach unten offenem Streuglas
CH389538A (de) * 1961-08-29 1965-03-31 Belmag Beleuchtungs & Metallin Beleuchtungskörper mit Abschlussglas
US3241256A (en) * 1963-05-13 1966-03-22 Bendix Corp Method and means for integrally lighting an indicator with uniform brightness and with light conservation
US3833802A (en) * 1972-05-15 1974-09-03 Gen Electric Wide angle optical system for uniform planar illumination
DE2249572A1 (de) * 1972-10-10 1974-04-18 Werner Deiwiks Leuchten-reflektoren zur erzielung gleichmaessig ausgeleuchteter flaechen ohne lichtverlust
DE2337314C3 (de) * 1973-07-23 1980-04-30 Siemens Ag, 1000 Berlin Und 8000 Muenchen Meßglied zur Erfassung der Energierichtung in einem elektrischen Netz
DE2432279A1 (de) * 1974-07-05 1976-01-22 Andreas Dr Ing Braun Anordnung zur selbsttaetigen erkennung der richtung der in einer hochspannungsleitung transportierten elektrischen energie mit uebertragung der richtungsinformation auf die niederspannungsseite
CH609194B5 (en) * 1976-05-20 1979-08-31 Ebauches Sa Electro-optical passive display device
CH618294A5 (enExample) * 1977-09-06 1980-07-15 Bbc Brown Boveri & Cie
US4157215A (en) * 1978-04-24 1979-06-05 Rca Corporation Photodeposition of CRT screen structures using cermet IC filter
US4206501A (en) * 1978-06-12 1980-06-03 Motorola, Inc. Apparatus and methods for back illuminating a display surface
DE3021003A1 (de) * 1980-05-30 1981-12-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur ermittlung der energieflusseinrichtung in einem elektrischen energieversorgungsnetz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044076U (ja) * 1983-08-31 1985-03-28 シャープ株式会社 表示装置用ライトボックス

Also Published As

Publication number Publication date
DE3145127C2 (enExample) 1989-09-07
DE3145127A1 (de) 1982-09-23
DE3145127C3 (de) 1996-08-01

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