CH591705A5 - - Google Patents
Info
- Publication number
- CH591705A5 CH591705A5 CH1392175A CH1392175A CH591705A5 CH 591705 A5 CH591705 A5 CH 591705A5 CH 1392175 A CH1392175 A CH 1392175A CH 1392175 A CH1392175 A CH 1392175A CH 591705 A5 CH591705 A5 CH 591705A5
- Authority
- CH
- Switzerland
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
- G02B6/0028—Light guide, e.g. taper
-
- 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
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- 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
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0018—Redirecting means on the surface of the light guide
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/002—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces
- G02B6/0021—Means for improving the coupling-in of light from the light source into 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, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1392175A CH591705A5 (no) | 1975-10-28 | 1975-10-28 | |
| DE19752552278 DE2552278A1 (de) | 1975-10-28 | 1975-11-21 | Beleuchtungsanordnung |
| AT798276A AT345910B (de) | 1975-10-28 | 1976-10-27 | Beleuchtungsanordnung |
| JP51130011A JPS5275198A (en) | 1975-10-28 | 1976-10-28 | Illuminator for liquid crystal display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1392175A CH591705A5 (no) | 1975-10-28 | 1975-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH591705A5 true CH591705A5 (no) | 1977-09-30 |
Family
ID=4396486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1392175A CH591705A5 (no) | 1975-10-28 | 1975-10-28 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5275198A (no) |
| AT (1) | AT345910B (no) |
| CH (1) | CH591705A5 (no) |
| DE (1) | DE2552278A1 (no) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5414684U (no) * | 1977-07-05 | 1979-01-30 | ||
| EP0055317B1 (en) * | 1980-12-31 | 1985-09-25 | International Business Machines Corporation | Electrochromic display module and reflective projection system therefor |
| DE3102626A1 (de) * | 1981-01-27 | 1982-08-19 | Siemens AG, 1000 Berlin und 8000 München | "passive elektrooptische anzeigevorrichtung" |
| JPS57144580A (en) * | 1981-03-03 | 1982-09-07 | Mitsubishi Electric Corp | Display unit with lighting |
| DE3207871A1 (de) * | 1982-03-05 | 1983-09-15 | Robert Bosch Gmbh, 7000 Stuttgart | Anzeigevorrichtung, insbesondere fuer kraftfahrzeuge |
| NO159899C (no) * | 1986-03-25 | 1989-02-15 | Kjell Hansen | Skjerm for bildefremvisning og/eller -opptak. |
| US4989956A (en) * | 1989-01-04 | 1991-02-05 | Hughes Aircraft Company | Visual display device with fluorescent dye-doped edge-illuminating emitter panel |
| DE3919925A1 (de) * | 1989-06-19 | 1990-12-20 | Inotec Gmbh Ges Fuer Innovativ | Beleuchtete, anzeigeeinheit, insbesondere hausnummer, verkehrsschild, werbetraeger |
| JPH0365982A (ja) * | 1989-08-03 | 1991-03-20 | Pioneer Electron Corp | 表示装置における表示板照明装置 |
| GB9026151D0 (en) * | 1990-11-30 | 1991-01-16 | Emi Plc Thorn | Display device |
| DE4105547A1 (de) * | 1991-02-22 | 1992-08-27 | Hella Kg Hueck & Co | Flache, beleuchtete warn- oder anzeigeeinrichtung |
| DE19636459A1 (de) * | 1996-09-07 | 1998-03-12 | Telefunken Microelectron | Beleuchtete Anzeigeanordnung |
| JPH10260405A (ja) * | 1997-03-18 | 1998-09-29 | Seiko Epson Corp | 照明装置、液晶表示装置及び電子機器 |
| DE19925363A1 (de) * | 1999-06-02 | 2000-12-07 | Hella Kg Hueck & Co | Vorrichtung zum gezielten Abgeben oder Einleiten von Licht in einen Lichtleiter |
| JP2009503793A (ja) * | 2005-07-28 | 2009-01-29 | ライト プレスクリプションズ イノベーターズ エルエルシー | バックライトおよびフロントライト用のエテンデュ保存型照明光学部品 |
| WO2008008994A2 (en) | 2006-07-14 | 2008-01-17 | Light Prescriptions Innovators, Llc | Brightness-enhancing film |
| US20080260329A1 (en) * | 2007-04-20 | 2008-10-23 | 3M Innovative Properties Company | Lightguides having curved light injectors |
-
1975
- 1975-10-28 CH CH1392175A patent/CH591705A5/xx not_active IP Right Cessation
- 1975-11-21 DE DE19752552278 patent/DE2552278A1/de active Pending
-
1976
- 1976-10-27 AT AT798276A patent/AT345910B/de not_active IP Right Cessation
- 1976-10-28 JP JP51130011A patent/JPS5275198A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2552278A1 (de) | 1977-05-05 |
| ATA798276A (de) | 1978-02-15 |
| JPS5275198A (en) | 1977-06-23 |
| AT345910B (de) | 1978-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |