ITTO930988A0 - Reticolo di diffrazione atto a generare un flusso di radiazione lumi- nosa con distribuzione di intensita' prefissata in un'area sottendenteil flusso stesso. - Google Patents
Reticolo di diffrazione atto a generare un flusso di radiazione lumi- nosa con distribuzione di intensita' prefissata in un'area sottendenteil flusso stesso.Info
- Publication number
- ITTO930988A0 ITTO930988A0 ITTO930988A ITTO930988A ITTO930988A0 IT TO930988 A0 ITTO930988 A0 IT TO930988A0 IT TO930988 A ITTO930988 A IT TO930988A IT TO930988 A ITTO930988 A IT TO930988A IT TO930988 A0 ITTO930988 A0 IT TO930988A0
- Authority
- IT
- Italy
- Prior art keywords
- flow
- prefixed
- intensity
- distribution
- generate
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/002—Refractors for light sources using microoptical elements for redirecting or diffusing light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters
- F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 - F21S43/255
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
- G02B5/1871—Transmissive phase gratings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930988A IT1261132B (it) | 1993-12-23 | 1993-12-23 | Reticolo di diffrazione atto a generare un flusso di radiazione luminosa con distribuzione di intensita' prefissata in un'area sottendente il flusso stesso. |
EP94120536A EP0660139A1 (en) | 1993-12-23 | 1994-12-23 | Diffraction grating for generating a light beam with a predetermined light intensity distribution in an area subtending the beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO930988A IT1261132B (it) | 1993-12-23 | 1993-12-23 | Reticolo di diffrazione atto a generare un flusso di radiazione luminosa con distribuzione di intensita' prefissata in un'area sottendente il flusso stesso. |
Publications (3)
Publication Number | Publication Date |
---|---|
ITTO930988A0 true ITTO930988A0 (it) | 1993-12-23 |
ITTO930988A1 ITTO930988A1 (it) | 1995-06-23 |
IT1261132B IT1261132B (it) | 1996-05-09 |
Family
ID=11411966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITTO930988A IT1261132B (it) | 1993-12-23 | 1993-12-23 | Reticolo di diffrazione atto a generare un flusso di radiazione luminosa con distribuzione di intensita' prefissata in un'area sottendente il flusso stesso. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0660139A1 (it) |
IT (1) | IT1261132B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2785364B1 (fr) * | 1998-11-03 | 2000-12-22 | Valeo Vision | Feu de signalisation a diffraction, notamment pour vehicule automobile |
DE10054503B4 (de) | 2000-11-03 | 2005-02-03 | Ovd Kinegram Ag | Lichtbeugende binäre Gitterstruktur und Sicherheitselement mit einer solchen Gitterstruktur |
FR2919913B1 (fr) * | 2007-08-10 | 2013-08-16 | Valeo Vision | Module optique pour dispositif d'eclairage et/ou de signalisation de vehicule |
EP2136132A1 (de) * | 2008-06-18 | 2009-12-23 | odelo GmbH | Leuchte |
WO2012005684A1 (en) * | 2010-07-05 | 2012-01-12 | I3 Lab Pte Ltd | Transmissive optical member in automotive led headlamp |
GB2499579B (en) | 2012-02-07 | 2014-11-26 | Two Trees Photonics Ltd | Lighting device |
DE102013220448B4 (de) * | 2013-10-10 | 2022-03-17 | Zumtobel Lighting Gmbh | Beleuchtungsanordnung mit Laser als Lichtquelle |
CZ305700B6 (cs) * | 2014-08-03 | 2016-02-10 | Filák, s.r.o. | Světelný zdroj s difrakční strukturou, zejména pro řízené směrové osvětlení plochy |
DE102016200847A1 (de) | 2016-01-21 | 2017-07-27 | Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung | Optische Positionsmesseinrichtung |
FR3055691B1 (fr) * | 2016-09-06 | 2019-08-23 | Valeo Vision | Module d'eclairage a ecran diffractif pour vehicule automobile |
CN110573795B (zh) * | 2017-04-28 | 2022-06-21 | 株式会社小糸制作所 | 车辆用照明灯具以及车辆用前照灯 |
WO2018216609A1 (ja) | 2017-05-22 | 2018-11-29 | 大日本印刷株式会社 | 照明装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0479490A3 (en) * | 1990-10-02 | 1992-08-12 | Physical Optics Corporation | Volume holographic diffuser |
DE4215584C2 (de) * | 1992-05-12 | 2002-06-20 | Bosch Gmbh Robert | Beleuchtungseinrichtung mit einem Reflektor und mit optisch wirksamen Elementen |
-
1993
- 1993-12-23 IT ITTO930988A patent/IT1261132B/it active IP Right Grant
-
1994
- 1994-12-23 EP EP94120536A patent/EP0660139A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP0660139A1 (en) | 1995-06-28 |
ITTO930988A1 (it) | 1995-06-23 |
IT1261132B (it) | 1996-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971218 |