EP0050267A3 - Vorrichtung zum Hinterleuchten grossflächiger Anzeigetafeln - Google Patents

Vorrichtung zum Hinterleuchten grossflächiger Anzeigetafeln Download PDF

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Publication number
EP0050267A3
EP0050267A3 EP81107964A EP81107964A EP0050267A3 EP 0050267 A3 EP0050267 A3 EP 0050267A3 EP 81107964 A EP81107964 A EP 81107964A EP 81107964 A EP81107964 A EP 81107964A EP 0050267 A3 EP0050267 A3 EP 0050267A3
Authority
EP
European Patent Office
Prior art keywords
light source
display panel
transparent
mirrored
illuminating indicating
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.)
Withdrawn
Application number
EP81107964A
Other languages
English (en)
French (fr)
Other versions
EP0050267A2 (de
Inventor
Paul Albrecht
Joachim Dipl.-Phys. Lenz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0050267A2 publication Critical patent/EP0050267A2/de
Publication of EP0050267A3 publication Critical patent/EP0050267A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418—Constructional details
    • G09F13/0422—Reflectors
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/04—Signs, boards or panels, illuminated from behind the insignia
    • G09F13/14—Arrangements of reflectors therein
    • G09F2013/145—Arrangements of reflectors therein curved reflectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Details Of Measuring Devices (AREA)
  • Details Of Measuring And Other Instruments (AREA)

Abstract

Vorrichtung zum Hinterleuchten großflächiger, nur ab­ schnittsweise durchsichtiger oder durchscheinender An­ zeigetafeln, wie z.B. Skalen, Zifferblätter od.dgl., vorzugs­ weise sog. Flüssigkristallanzeigen, mit einer in einem Ge­ häuse angeordneten kleinflächigen Lichtquelle, wobei das die Lichtquelle aufnehmende Gehäuse innenseitig gut re­ flektiert, vorzugsweise verspiegelt und mit einem der Rück­ seite der Anzeigetafel anliegenden Deckel versehen ist, der unter den auszuleuchtenden Bereichen der Anzeigetafel durchsichtig und ansonsten verspiegelt ist.
EP81107964A 1980-10-18 1981-10-06 Vorrichtung zum Hinterleuchten grossflächiger Anzeigetafeln Withdrawn EP0050267A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3039450 1980-10-18
DE19803039450 DE3039450A1 (de) 1980-10-18 1980-10-18 Vorrichtung zum hinterleuchten grossflaechiger anzeigetafeln

Publications (2)

Publication Number Publication Date
EP0050267A2 EP0050267A2 (de) 1982-04-28
EP0050267A3 true EP0050267A3 (de) 1982-09-22

Family

ID=6114720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107964A Withdrawn EP0050267A3 (de) 1980-10-18 1981-10-06 Vorrichtung zum Hinterleuchten grossflächiger Anzeigetafeln

Country Status (3)

Country Link
EP (1) EP0050267A3 (de)
JP (1) JPS5797493A (de)
DE (1) DE3039450A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8700992U1 (de) * 1987-01-22 1987-03-05 Fa. Ed. Liesegang, 40221 Düsseldorf Projektionsvorrichtung
NL8902677A (nl) * 1989-10-30 1991-05-16 Janse Lichtreklame Bv Lichtreklamesysteem met deflector.
DE4122118C2 (de) * 1991-07-04 1997-04-24 Abb Patent Gmbh Schriftfeldbeleuchtung
DE10258176C5 (de) * 2002-12-12 2011-05-05 Continental Automotive Gmbh Beleuchtungsanordnung für Bedien- und/oder Anzeigeinstrumente

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE669465C (de) * 1937-04-25 1938-12-27 Ludwig Alexander Leuchtbild
US3859782A (en) * 1973-05-09 1975-01-14 Seiko Koki Kk Clock with illumination device
US3864861A (en) * 1973-09-21 1975-02-11 Jr Richard H Hill Illuminated display device
US3899871A (en) * 1973-05-09 1975-08-19 Seiko Koki Kk Clock with dial illumination

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE669465C (de) * 1937-04-25 1938-12-27 Ludwig Alexander Leuchtbild
US3859782A (en) * 1973-05-09 1975-01-14 Seiko Koki Kk Clock with illumination device
US3899871A (en) * 1973-05-09 1975-08-19 Seiko Koki Kk Clock with dial illumination
US3864861A (en) * 1973-09-21 1975-02-11 Jr Richard H Hill Illuminated display device

Also Published As

Publication number Publication date
EP0050267A2 (de) 1982-04-28
JPS5797493A (en) 1982-06-17
DE3039450A1 (de) 1982-06-16

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): AT BE CH FR GB IT LI LU NL SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT BE CH FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19821208

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19840830

RIN1 Information on inventor provided before grant (corrected)

Inventor name: ALBRECHT, PAUL

Inventor name: LENZ, JOACHIM, DIPL.-PHYS.