JPS4997596A - - Google Patents
Info
- Publication number
- JPS4997596A JPS4997596A JP48138519A JP13851973A JPS4997596A JP S4997596 A JPS4997596 A JP S4997596A JP 48138519 A JP48138519 A JP 48138519A JP 13851973 A JP13851973 A JP 13851973A JP S4997596 A JPS4997596 A JP S4997596A
- Authority
- JP
- Japan
- 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
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
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/006—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to produce indicia, symbols, texts or the like
-
- 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
- G02B6/0075—Arrangements of multiple light guides
- G02B6/0078—Side-by-side arrangements, e.g. for large area displays
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Drawing Aids And Blackboards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT5452372A IT975633B (en) | 1972-12-06 | 1972-12-06 | INTENSE ILLUMINATED IMAGES BY ADHERENCE WITH A TRANSPARENT SHEET IN WHICH YOU OBTAIN THE TOTAL REFECTION OF THE LIGHT INPUT FROM THE EDGES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4997596A true JPS4997596A (en) | 1974-09-14 |
Family
ID=11287361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48138519A Pending JPS4997596A (en) | 1972-12-06 | 1973-12-06 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4997596A (en) |
| CH (1) | CH560944A5 (en) |
| DE (1) | DE2359460A1 (en) |
| FR (1) | FR2210323A5 (en) |
| IT (1) | IT975633B (en) |
| NL (1) | NL7316364A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119436U (en) * | 1978-02-09 | 1979-08-21 | ||
| JPS564496A (en) * | 1979-06-26 | 1981-01-17 | Towa Engineering Kk | Writing board |
| JPS5751496A (en) * | 1980-09-12 | 1982-03-26 | Aoi Kokuban Seisakusho Kk | Fluorescent type copying device |
| JPS58101790U (en) * | 1982-10-18 | 1983-07-11 | 株式会社青井黒板製作所 | fluorescent transcription device |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018099A1 (en) * | 1980-05-12 | 1981-11-19 | Siemens AG, 1000 Berlin und 8000 München | DEVICE FOR MULTICOLORED OPTICAL PRESENTATION OF INFORMATION |
| DE3223706A1 (en) * | 1982-06-25 | 1983-12-29 | Jobo Labortech | Luminous element for images which can be transilluminated, such as film viewers |
| US5165187A (en) * | 1987-01-30 | 1992-11-24 | Fiber Sense & Signals Inc. | Edge illuminated sign panel |
| DE3825436A1 (en) * | 1987-09-11 | 1989-03-23 | Inotec Gmbh Ges Fuer Innovativ | Illuminated display unit, in particular house number, traffic sign, advertising medium |
| DE29512834U1 (en) * | 1995-08-09 | 1996-12-12 | Gez Ges Elekt Zugausruest | Lighting device |
| DE19607822A1 (en) * | 1996-03-01 | 1997-09-04 | Roehm Gmbh | Light guiding element composed of several parts |
| DE19748810A1 (en) * | 1997-11-05 | 1999-05-12 | Udo Vlasak | Illuminated advertising display unit |
| US7594349B2 (en) * | 2007-02-20 | 2009-09-29 | Elliot Rudell | Edge animation multiple image display device |
| JP6553942B2 (en) | 2015-05-19 | 2019-07-31 | 株式会社ヴァレオジャパン | Lighting device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4429830Y1 (en) * | 1966-04-25 | 1969-12-09 |
-
1972
- 1972-12-06 IT IT5452372A patent/IT975633B/en active
-
1973
- 1973-11-29 NL NL7316364A patent/NL7316364A/xx unknown
- 1973-11-29 DE DE19732359460 patent/DE2359460A1/en active Pending
- 1973-12-04 FR FR7343170A patent/FR2210323A5/fr not_active Expired
- 1973-12-05 CH CH1704573A patent/CH560944A5/xx not_active IP Right Cessation
- 1973-12-06 JP JP48138519A patent/JPS4997596A/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4429830Y1 (en) * | 1966-04-25 | 1969-12-09 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54119436U (en) * | 1978-02-09 | 1979-08-21 | ||
| JPS564496A (en) * | 1979-06-26 | 1981-01-17 | Towa Engineering Kk | Writing board |
| JPS5751496A (en) * | 1980-09-12 | 1982-03-26 | Aoi Kokuban Seisakusho Kk | Fluorescent type copying device |
| JPS58101790U (en) * | 1982-10-18 | 1983-07-11 | 株式会社青井黒板製作所 | fluorescent transcription device |
Also Published As
| Publication number | Publication date |
|---|---|
| IT975633B (en) | 1974-08-10 |
| CH560944A5 (en) | 1975-04-15 |
| DE2359460A1 (en) | 1974-06-12 |
| FR2210323A5 (en) | 1974-07-05 |
| NL7316364A (en) | 1974-06-10 |