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
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)
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)
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)
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 |
-
1986
- 1986-01-24 AT AT86100956T patent/ATE69114T1/de not_active IP Right Cessation
- 1986-01-24 DE DE8686100956T patent/DE3682264D1/de not_active Expired - Lifetime
- 1986-01-24 EP EP86100956A patent/EP0229863B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0229863A1 (de) | 1987-07-29 |
DE3682264D1 (de) | 1991-12-05 |
EP0229863B1 (de) | 1991-10-30 |
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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 |