DE3145127C2 - - Google Patents

Info

Publication number
DE3145127C2
DE3145127C2 DE3145127A DE3145127A DE3145127C2 DE 3145127 C2 DE3145127 C2 DE 3145127C2 DE 3145127 A DE3145127 A DE 3145127A DE 3145127 A DE3145127 A DE 3145127A DE 3145127 C2 DE3145127 C2 DE 3145127C2
Authority
DE
Germany
Prior art keywords
film
display device
luminance
lamp
light source
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
DE3145127A
Other languages
German (de)
English (en)
Other versions
DE3145127A1 (de
DE3145127C3 (de
Inventor
Peter Dr. 7505 Ettlingen De Knoll
Winfried Dr. 7500 Karlsruhe De Koenig
Wolfgang Dr. 7514 Eggenstein De Ziegler
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
Priority to DE3145127A priority Critical patent/DE3145127C3/de
Priority to US06/346,507 priority patent/US4502761A/en
Priority to GB8206202A priority patent/GB2094996B/en
Publication of DE3145127A1 publication Critical patent/DE3145127A1/de
Priority to JP1120579A priority patent/JPH02160280A/ja
Publication of DE3145127C2 publication Critical patent/DE3145127C2/de
Application granted granted Critical
Publication of DE3145127C3 publication Critical patent/DE3145127C3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE3145127A 1981-03-13 1981-11-13 Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen Expired - Lifetime DE3145127C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3145127A DE3145127C3 (de) 1981-03-13 1981-11-13 Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen
US06/346,507 US4502761A (en) 1981-03-13 1982-02-08 Gradient-free illumination of passive readout display devices
GB8206202A GB2094996B (en) 1981-03-13 1982-03-03 Apparatus for the gradient free illumination of surfaces and a method for their manufacture
JP1120579A 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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3109643 1981-03-13
DE3145127A DE3145127C3 (de) 1981-03-13 1981-11-13 Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen

Publications (3)

Publication Number Publication Date
DE3145127A1 DE3145127A1 (de) 1982-09-23
DE3145127C2 true DE3145127C2 (enExample) 1989-09-07
DE3145127C3 DE3145127C3 (de) 1996-08-01

Family

ID=6127135

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3145127A Expired - Lifetime DE3145127C3 (de) 1981-03-13 1981-11-13 Verfahren zur Herstellung einer Folie für eine Vorrichtung zur gradientenfreien Ausleuchtung von passiven Anzeigevorrichtungen

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
DE102004028295B4 (de) * 2003-06-16 2014-07-17 Denso Corporation Anzeigekonsole

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
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
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
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028295B4 (de) * 2003-06-16 2014-07-17 Denso Corporation Anzeigekonsole
DE102004028295B8 (de) 2003-06-16 2014-12-18 Denso Corporation Anzeigekonsole

Also Published As

Publication number Publication date
DE3145127A1 (de) 1982-09-23
DE3145127C3 (de) 1996-08-01
JPS57165887A (en) 1982-10-13

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted