EP1035370A2 - Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen - Google Patents
Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen Download PDFInfo
- Publication number
- EP1035370A2 EP1035370A2 EP00100805A EP00100805A EP1035370A2 EP 1035370 A2 EP1035370 A2 EP 1035370A2 EP 00100805 A EP00100805 A EP 00100805A EP 00100805 A EP00100805 A EP 00100805A EP 1035370 A2 EP1035370 A2 EP 1035370A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- facets
- reflector
- reflector according
- columns
- optical axis
- 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.)
- Granted
Links
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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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/09—Optical design with a combination of different curvatures
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/04—Optical design
- F21V7/048—Optical design with facets structure
Definitions
- the invention relates to the optical design of a reflector in the form of Facets for reflecting light rays.
- Such reflectors will for example used for luminaires for general lighting purposes. They have become particularly popular in retail. she but are also used for the light feed into light guides, in Video projectors or in headlights that have a sharply defined light field generate (so-called tracking lights).
- the aim is that reflectors of the type mentioned generate a circular light field.
- this is not always achieved.
- the reason is that the illuminants used are not are rotationally symmetrical. The consequence of this is a light field that is from the Circular shape differs. It can be oval or almost the shape of a Rectangle, which is undesirable.
- the invention has for its object an optical design for one To design reflector for reflecting light rays in such a way that Have light fields generated arbitrarily, which are at least almost circular or are almost rectangular, regardless of the shape of the one used Filament.
- the inventors have recognized that a given light field contour for a given Shape of the luminous body solely by the choice of the shapes of individual or all facets as well as by the arrangement or location of such facets optical axis of the reflector base body can be generated.
- Either a non-rotationally symmetrical luminous element is specified, and you want to create a round light field. Or it is a given a rotationally symmetrical illuminant, and you want a non-circular one Generate light field.
- the facets become like this designed and arranged that a rotational symmetry of the facets, based on the optical axis of the reflector base, largely is avoided.
- the invention can be put into practice in a variety of ways.
- facets can be flat, spherical, or cylindrical. In In the latter two cases, they can be both concave and convex his.
- the deviation from the rotational symmetry can also be that Groups of facets are larger, and other groups are smaller. What is decisive is that certain facets or groups of facets that differ extend over a certain circumferential area of the reflector base body, in terms of their shapes and locations of certain other facets or Groups of facets differ that are different from each other Extend circumferential area.
- the series mentioned do not necessarily have to be in planes perpendicular to the axis. You could also spiral around the around the optical axis of the reflector.
- an area of the inner reflector surface can be made of spherical facets are formed, while another area is made of planes Facets is formed.
- Another pairing between different columns can exist in concave and convex cylinders, or in large and small cylinders.
- the facets are in rows arranged, which are concentric to the x-axis.
- the facets are arranged in columns at the same time.
- the facets can be spherical or be cylindrical.
- the radii of the facets i.e. the radii of the balls or the cylinder
- the radii of the facets within a row of facets, varies according to size the solid angle at which the facet "sees" the luminous element. At large solid angle and the associated larger light scattering is the selected a smaller curvature of the facet surface, thus a larger facet radius, and vice versa.
- the radii of the facets must be in two columns, which lie on the z-axis are larger than the radii of the facets in the two columns that lie on the y-axis.
- the radii of the facets in the Columns in between are then suitably between to choose these two extreme values.
- R r, s R e.g. -R y 2nd ⁇ Cos (4 ⁇ s C. r ) + R e.g. + R y 2nd
- R r, s ( R e.g. - R y ) ⁇ cos 2nd (2 ⁇ s C. r ) - 1 2nd + R e.g. + R y 2nd
- ⁇ r, s ( ⁇ e.g. - ⁇ y ) ⁇ cos 2nd (2 ⁇ s C. r ) - 1 2nd + ⁇ e.g. + ⁇ y 2nd
- the cylinder axes can be varied relative to the entire reflector.
- the cylinder axes can for example run in the circumferential direction, and thus the course of a follow the row or run in the direction of the columns.
- the entire reflector surface is in four same sectors A, B, C and D divided by 90 degrees each.
- the z axis is thereby simultaneously the axis of symmetry of sectors A and C, and the y-axis is simultaneously axis of symmetry of sectors B and D.
- an orientation perpendicular (or tangential) to the reflector circumference selected the cylinder axis of the facets, and one for sectors B and D. Alignment tangential (or vertical) to the reflector circumference.
- a Mark on the reflector This allows the lamp to be used the non-rotationally symmetrical filament in the right one Install the angular position in the reflector. It can be seen in which direction the oval light field extends.
- Figure 3 shows a single row of facets. This is spiral around the x-axis and thus around the optical axis of the reflector. The others Rows are also spiral. The rows are therefore not in levels which run perpendicular to the optical axis of the reflector.
- facets does not necessarily mean that it is sharply demarcated areas. Rather, they can Facets also merge continuously.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
- Figur 1
- zeigt eine Draufsicht auf einen facettierten Reflektor mit 24 Spalten und 9 Reihen.
- Figur 2
- zeigt wiederum eine Draufsicht auf einen facettierten Reflektor mit vier Gruppen von Facetten.
- Figur 3
- zeigt eine Draufsicht auf einen abgewickelten, facettierten Reflektor, bei dem nur eine einzige Reihe dargestellt ist.
- Figur 4
- zeigt eine Draufsicht auf einen Reflektor mit gegeneinander versetzten Facettenreihen.
Claims (12)
- Reflektor mit einer Facetten aufweisenden Reflexionsfläche zum Reflektieren von Lichtstrahlen und zum Erzeugen eines Lichtfeldes;1.1 mit einem hohlen Grundkörper, der ein ein erstes Ende zum Aufnehmen eines Leuchtkörpers aufweist (Fassungsende) sowie ein zweites Ende, das eine Lichtaustrittsöffnung darstellt;1.2 zum Erzeugen einer bestimmten Lichtfeldkontur bei gegebener Gestalt des Leuchtkörpers sind die Formen einzelner Facetten und deren Lage relativ zur optischen Achse des Reflektors in bestimmter Weise ausgewählt.
- Reflektor nach Anspruch 1, dadurch gekennzeichnet, daß die Facetten derart gestaltet und angeordnet sind, daß eine Rotationssymmetrie der Facetten weitgehend vermieden ist.
- Reflektor nach Anspruch 1 oder 2, gekennzeichnet durch die folgenden Merkmale:3.1 die Facetten sind einerseits in Reihen angeordnet, die um die optische Achse des Reflektors herum gruppiert sind, und andererseits in Spalten, die sich vom Lichtaustrittsende des Grundkörpers zum Fassungsende hin erstrecken;3.2 die Facetten einander benachbarter Spalten weisen unterschiedliche Reflexionsverhalten auf.
- Reflektor nach Anspruch 3, dadurch gekennzeichnet, daß die Reihen in Ebenen liegen, die zur optischen Achse des Reflektors senkrecht verlaufen.
- Reflektor nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Grenzlinien zwischen den Spalten in Ebenen liegen, die parallel zur optischen Achse verlaufen .
- Reflektor nach Anspruch 3 oder 5, dadurch gekennzeichnet, daß die Reihen von Facetten spiralig um die optische Achse des Reflektors verlaufen.
- Reflektor nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß die Grenzlinie zwischen einander benachbarten Spalten in Ebenen liegen, die gegen die Radiale des optischen Designs geneigt sind.
- Reflektor nach einem der Ansprüche 1 bis 7 dadurch gekennzeichnet, daß wenigstens einige Facetten Zylinderflächen sind.
- Reflektor nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß wenigstens einige Facetten sphärische Flächen sind.
- Reflektor nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß wenigstens einige Facetten andere gekrümmte Flächen aufweisen, beispielsweise Rotations-Ellipsoide oder Rotations-Paraboloide.
- Reflektor nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, daß die Radien von Facetten innerhalb einer Facettenspalte unterschiedlich groß sind.
- Reflektor nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß wenigstens einige Facetten ebene Flächen sind.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05027056A EP1643186B1 (de) | 1999-03-09 | 2000-01-17 | Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19910192A DE19910192C2 (de) | 1999-03-09 | 1999-03-09 | Reflektor mit einem konkaven rotationssymmetrischen Grundkörper und einer Facetten aufweisenden Reflexionsfläche |
DE19910192 | 1999-03-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05027056A Division EP1643186B1 (de) | 1999-03-09 | 2000-01-17 | Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1035370A2 true EP1035370A2 (de) | 2000-09-13 |
EP1035370A3 EP1035370A3 (de) | 2001-10-31 |
EP1035370B1 EP1035370B1 (de) | 2005-12-21 |
Family
ID=7900148
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00100805A Revoked EP1035370B1 (de) | 1999-03-09 | 2000-01-17 | Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen |
EP05027056A Revoked EP1643186B1 (de) | 1999-03-09 | 2000-01-17 | Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05027056A Revoked EP1643186B1 (de) | 1999-03-09 | 2000-01-17 | Optisches Design für einen Reflektor zum Reflektieren von Lichtstrahlen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6361175B1 (de) |
EP (2) | EP1035370B1 (de) |
JP (1) | JP2000275414A (de) |
AT (2) | ATE313759T1 (de) |
DE (3) | DE19910192C2 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2090823A1 (de) | 2008-02-13 | 2009-08-19 | ERCO GmbH | Leuchte zur Ausleuchtung von Gebäudeflächen |
DE102009012210A1 (de) * | 2009-03-11 | 2010-09-16 | Erco Gmbh | Reflektor für eine Leuchte u.a. |
EP2320129A1 (de) | 2009-11-06 | 2011-05-11 | Auer Lighting GmbH | Reflektorleuchte |
EP2204607A3 (de) * | 2008-12-09 | 2011-09-07 | Phoenix Electric Co., Ltd. | Reflektor zur Verwendung in einer lichtemittierenden Vorrichtung und lichtemittierende Vorrichtung, die diesen Reflektor verwendet |
US8366277B2 (en) | 2005-06-22 | 2013-02-05 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Projectors having facetted reflectors which are movable relative to their lamps |
CN103244906A (zh) * | 2012-02-10 | 2013-08-14 | 伊古齐尼照明有限公司 | 用于照明装置的均匀照明反射器 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10018831B4 (de) * | 2000-04-15 | 2004-05-19 | Markus Korsch | Reflektoranordnung |
DE10048561A1 (de) * | 2000-09-30 | 2002-04-11 | Hella Kg Hueck & Co | Lichteinheit für Fahrzeuge |
DE10130394A1 (de) * | 2001-06-23 | 2003-01-09 | Schott Glas | Verfahren und Vorrichtung zum Herstellen eines Formlings aus Glas |
JP3919599B2 (ja) * | 2002-05-17 | 2007-05-30 | キヤノン株式会社 | 光学素子、当該光学素子を有する光源装置及び露光装置 |
US20070279908A1 (en) * | 2004-08-27 | 2007-12-06 | Turhan Alcelik | General Lighting Armature |
DE102004042915B4 (de) | 2004-09-02 | 2011-04-14 | Erco Gmbh | Leuchte zur Ausleuchtung von Gebäudeflächen oder Gebäudeteilflächen |
DE102006023120B4 (de) * | 2006-05-16 | 2010-10-14 | Auer Lighting Gmbh | Lichtreflektor mit definierter Konturenschärfe der von diesem erzeugten Lichtverteilung |
AU2006203305B2 (en) * | 2006-08-02 | 2009-10-01 | Erco Gmbh | Lighting fixture for illuminating building surfaces or parts thereof |
DE102006038382A1 (de) * | 2006-08-15 | 2008-02-28 | Schott Ag | Reflektor für Gasentladungslampen |
DE102006041293A1 (de) * | 2006-09-01 | 2008-03-06 | Hella Kgaa Hueck & Co. | Innenleuchte für Fahrzeuge |
DE102007016748A1 (de) * | 2007-04-07 | 2008-10-09 | Tetsuhiro Kano | Reflektor für eine Leuchte |
DE202007015488U1 (de) | 2007-07-26 | 2008-12-11 | Erco Leuchten Gmbh | Leuchte |
DE102007035396B4 (de) | 2007-07-26 | 2011-04-14 | Erco Gmbh | Leuchte |
DE202007015489U1 (de) | 2007-07-26 | 2008-12-04 | Erco Leuchten Gmbh | Leuchte |
DE102007035528B9 (de) | 2007-07-26 | 2012-02-09 | Erco Gmbh | Leuchte |
US20090034271A1 (en) * | 2007-08-01 | 2009-02-05 | Markus Gorres | Light fixture |
US20090034272A1 (en) * | 2007-08-01 | 2009-02-05 | Erco Leuchten Gmbh | Light fixture |
CN101126492A (zh) * | 2007-08-30 | 2008-02-20 | 刘刚 | 反光杯 |
TW200916690A (en) * | 2007-10-12 | 2009-04-16 | Dosun Solar Technology Co Ltd | LED (light emitting diode) lamps |
DE102008063370B4 (de) * | 2008-11-06 | 2011-11-10 | Erco Gmbh | Leuchte |
DE102009058308B4 (de) | 2009-12-15 | 2011-12-08 | Siteco Beleuchtungstechnik Gmbh | Reflektor für Leuchten mit Ellipsoid-Facetten |
EP2428727B1 (de) * | 2010-08-25 | 2013-11-13 | Jordan Reflektoren GmbH & Co.KG | Leuchten-Reflektor sowie Vorrichtung zu dessen Herstellung |
WO2012139649A1 (en) * | 2011-04-14 | 2012-10-18 | Carl Zeiss Smt Gmbh | Facet mirror device |
DE102011081349A1 (de) * | 2011-05-25 | 2012-11-29 | Dilitronics Gmbh | Reflektor für eine strassenlampe |
EP2535639A1 (de) * | 2011-06-17 | 2012-12-19 | Jordan Reflektoren GmbH & Co.KG | Leuchten-Reflektor sowie Vorrichtung zu dessen Herstellung |
CN102508355B (zh) * | 2011-11-23 | 2015-02-18 | 上海晶电新能源有限公司 | 离散化的二次反射系统 |
CN103185285A (zh) * | 2011-12-28 | 2013-07-03 | 苏州佳亿达电器有限公司 | 一种适用于led灯具的集光罩 |
ES2522995B1 (es) * | 2013-04-19 | 2015-09-08 | Lucas GARCÍA RODRÍGUEZ | Reflector de revolución con micro-estructuras superficiales complejas |
CN108345106B (zh) * | 2017-01-24 | 2020-04-28 | 清华大学 | 混合表面光学系统的设计方法 |
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US1394319A (en) * | 1920-01-15 | 1921-10-18 | Fred Earl Fuller | Headlight-reflector |
US4153929A (en) * | 1976-10-20 | 1979-05-08 | Meddev Corporation | Light assembly |
GB2019999B (en) * | 1978-04-26 | 1982-03-24 | Rank Organisation Ltd | Spotlight lantern projection system |
GB8614988D0 (en) * | 1986-06-19 | 1986-07-23 | Emi Plc Thorn | Reflector |
US5272408A (en) * | 1991-05-09 | 1993-12-21 | Gte Products Corporation | Lamp and reflector assembly |
EP0701090A1 (de) * | 1994-09-06 | 1996-03-13 | BARTENBACH Christian | Leuchte mit einem eine Lampe umgebenden Reflektor |
DE19543005C2 (de) * | 1995-11-20 | 2003-12-18 | Heraeus Med Gmbh | Reflektor für eine selektiv strahlende Lichtquelle und Verwendung in einer Leuchte |
DE19627940A1 (de) * | 1996-04-12 | 1997-10-16 | Bosch Gmbh Robert | Optischer Signalgeber für Verkehrssignalanlagen |
EP0881425B1 (de) * | 1997-05-26 | 2003-03-19 | Christian Bartenbach | Leuchte |
-
1999
- 1999-03-09 DE DE19910192A patent/DE19910192C2/de not_active Revoked
-
2000
- 2000-01-17 DE DE50015114T patent/DE50015114D1/de not_active Revoked
- 2000-01-17 EP EP00100805A patent/EP1035370B1/de not_active Revoked
- 2000-01-17 EP EP05027056A patent/EP1643186B1/de not_active Revoked
- 2000-01-17 AT AT00100805T patent/ATE313759T1/de not_active IP Right Cessation
- 2000-01-17 DE DE50011880T patent/DE50011880D1/de not_active Revoked
- 2000-01-17 AT AT05027056T patent/ATE392583T1/de not_active IP Right Cessation
- 2000-03-08 US US09/521,290 patent/US6361175B1/en not_active Expired - Lifetime
- 2000-03-09 JP JP2000065429A patent/JP2000275414A/ja active Pending
Non-Patent Citations (1)
Title |
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None |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8366277B2 (en) | 2005-06-22 | 2013-02-05 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Projectors having facetted reflectors which are movable relative to their lamps |
EP2090823A1 (de) | 2008-02-13 | 2009-08-19 | ERCO GmbH | Leuchte zur Ausleuchtung von Gebäudeflächen |
EP2204607A3 (de) * | 2008-12-09 | 2011-09-07 | Phoenix Electric Co., Ltd. | Reflektor zur Verwendung in einer lichtemittierenden Vorrichtung und lichtemittierende Vorrichtung, die diesen Reflektor verwendet |
US8197101B2 (en) | 2008-12-09 | 2012-06-12 | Phoenix Electric Co. Ltd. | Reflector for use in light emitting device and light emitting device using the same |
DE102009012210A1 (de) * | 2009-03-11 | 2010-09-16 | Erco Gmbh | Reflektor für eine Leuchte u.a. |
EP2320129A1 (de) | 2009-11-06 | 2011-05-11 | Auer Lighting GmbH | Reflektorleuchte |
DE102009053207A1 (de) | 2009-11-06 | 2011-05-12 | Auer Lighting Gmbh | Reflektorleuchte |
CN103244906A (zh) * | 2012-02-10 | 2013-08-14 | 伊古齐尼照明有限公司 | 用于照明装置的均匀照明反射器 |
Also Published As
Publication number | Publication date |
---|---|
EP1643186A1 (de) | 2006-04-05 |
ATE313759T1 (de) | 2006-01-15 |
EP1643186B1 (de) | 2008-04-16 |
DE50011880D1 (de) | 2006-01-26 |
EP1035370B1 (de) | 2005-12-21 |
JP2000275414A (ja) | 2000-10-06 |
ATE392583T1 (de) | 2008-05-15 |
US6361175B1 (en) | 2002-03-26 |
EP1035370A3 (de) | 2001-10-31 |
DE19910192A1 (de) | 2000-09-21 |
DE19910192C2 (de) | 2002-04-04 |
DE50015114D1 (de) | 2008-05-29 |
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