ATE69114T1 - Lichtplatte. - Google Patents

Lichtplatte.

Info

Publication number
ATE69114T1
ATE69114T1 AT86100956T AT86100956T ATE69114T1 AT E69114 T1 ATE69114 T1 AT E69114T1 AT 86100956 T AT86100956 T AT 86100956T AT 86100956 T AT86100956 T AT 86100956T AT E69114 T1 ATE69114 T1 AT E69114T1
Authority
AT
Austria
Prior art keywords
illuminated
face
front panel
wedge
light plate
Prior art date
Application number
AT86100956T
Other languages
English (en)
Inventor
Vinther Franz Johnsen
Original Assignee
Vinther Franz Johnsen
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 Vinther Franz Johnsen filed Critical Vinther Franz Johnsen
Application granted granted Critical
Publication of ATE69114T1 publication Critical patent/ATE69114T1/de

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
    • G02B6/0023—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
    • G02B6/0031—Reflecting element, sheet or layer
    • 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
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/18—Edge-illuminated signs
    • G09F2013/1804—Achieving homogeneous illumination
    • G09F2013/1827—Prismatic window

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
AT86100956T 1986-01-24 1986-01-24 Lichtplatte. ATE69114T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP86100956A EP0229863B1 (de) 1986-01-24 1986-01-24 Lichtplatte

Publications (1)

Publication Number Publication Date
ATE69114T1 true ATE69114T1 (de) 1991-11-15

Family

ID=8194856

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86100956T ATE69114T1 (de) 1986-01-24 1986-01-24 Lichtplatte.

Country Status (3)

Country Link
EP (1) EP0229863B1 (de)
AT (1) ATE69114T1 (de)
DE (1) DE3682264D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9000867U1 (de) * 1990-01-26 1991-03-07 Marketing-Displays Produktionsgesellschaft Fuer Werbe- Und Verkaufsfoerderungssysteme Mbh, 5000 Koeln Leuchtbox
US5101325A (en) * 1990-03-20 1992-03-31 General Electric Company Uniform illumination of large, thin surfaces particularly suited for automotive applications
JPH0782302B2 (ja) * 1990-11-14 1995-09-06 株式会社竹中工務店 表示照明器具
DE4037076C1 (en) * 1990-11-22 1992-04-02 Dambach-Werke Gmbh, 7560 Gaggenau, De Lightweight lighting box giving uniform beam - including transparent, wedge-shaped reflecting member directed towards illuminating member, etc.
DE69624774T2 (de) * 1995-12-05 2003-03-27 Matsushita Electric Ind Co Ltd Hintergrundbeleuchtete Farbanzeige
DE19860695B4 (de) * 1998-12-29 2011-04-28 Siemens Ag Lichtquellenelement mit schräggestellter Lichtaustrittsfläche

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130601A (en) * 1965-04-30 1968-10-16 Calorific Appliances Ltd Illuminated display apparatus
GB1162560A (en) * 1966-11-15 1969-08-27 Wharton Engs Elstree Ltd Drawing and the like Boards
US4059916A (en) * 1975-01-30 1977-11-29 Copal Company Limited Light diffusing device
JPS61119U (ja) * 1984-06-07 1986-01-06 株式会社 ワコム 透視装置

Also Published As

Publication number Publication date
EP0229863B1 (de) 1991-10-30
DE3682264D1 (de) 1991-12-05
EP0229863A1 (de) 1987-07-29

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee