DE69941180D1 - Vorrichtung zur orientierten Flächenbeleuchtung durch einen mikroprismatischen Leiter - Google Patents
Vorrichtung zur orientierten Flächenbeleuchtung durch einen mikroprismatischen LeiterInfo
- Publication number
- DE69941180D1 DE69941180D1 DE69941180T DE69941180T DE69941180D1 DE 69941180 D1 DE69941180 D1 DE 69941180D1 DE 69941180 T DE69941180 T DE 69941180T DE 69941180 T DE69941180 T DE 69941180T DE 69941180 D1 DE69941180 D1 DE 69941180D1
- Authority
- DE
- Germany
- Prior art keywords
- microprismatic
- conductor
- surface illumination
- oriented surface
- oriented
- 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.)
- Expired - Lifetime
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
- G02B6/0015—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
- G02B6/0033—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
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/30—Illumination of dials or hands
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19990109018 EP1050711B1 (de) | 1999-05-07 | 1999-05-07 | Vorrichtung zur orientierten Flächenbeleuchtung durch einen mikroprismatischen Leiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE69941180D1 true DE69941180D1 (de) | 2009-09-10 |
Family
ID=8238127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69941180T Expired - Lifetime DE69941180D1 (de) | 1999-05-07 | 1999-05-07 | Vorrichtung zur orientierten Flächenbeleuchtung durch einen mikroprismatischen Leiter |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1050711B1 (de) |
| DE (1) | DE69941180D1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH696516A5 (fr) | 2003-05-21 | 2007-07-31 | Asulab Sa | Instrument portable de mesure d'une grandeur physiologique comprenant un dispositif pour l'illumination de la surface d'un tissu organique. |
| US8016441B2 (en) * | 2008-06-24 | 2011-09-13 | Continental Automotive Systems Us, Inc. | One LED illuminated cluster |
| AT511011A1 (de) * | 2010-12-20 | 2012-08-15 | Mb Microtec Ag | Anzeigevorrichtung mit einem transparenten körper |
| CA3064724C (en) * | 2017-06-21 | 2023-02-28 | Leia Inc. | Microprism multibeam element backlight and multiview display using same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5428468A (en) | 1993-11-05 | 1995-06-27 | Alliedsignal Inc. | Illumination system employing an array of microprisms |
| US5555329A (en) * | 1993-11-05 | 1996-09-10 | Alliesignal Inc. | Light directing optical structure |
| DE4403433A1 (de) | 1994-02-04 | 1995-08-10 | Schunk Kohlenstofftechnik Gmbh | Metallimprägnierter Kohlenwerkstoff |
| US5506929A (en) * | 1994-10-19 | 1996-04-09 | Clio Technologies, Inc. | Light expanding system for producing a linear or planar light beam from a point-like light source |
| EP0860755B1 (de) | 1997-02-20 | 2002-06-12 | Asulab S.A. | Vorrichtung zur gleichmässigen Beleuchtung des Zifferblattes einer Anzeigeeinrichtung |
| GB2324599A (en) * | 1997-04-22 | 1998-10-28 | Ford Motor Co | Looped light pipe illuminator for illuminating dials etc. |
-
1999
- 1999-05-07 DE DE69941180T patent/DE69941180D1/de not_active Expired - Lifetime
- 1999-05-07 EP EP19990109018 patent/EP1050711B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1050711A1 (de) | 2000-11-08 |
| EP1050711B1 (de) | 2009-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ASULAB S.A., MARIN, CH |
|
| 8364 | No opposition during term of opposition |