DE29903847U1 - Light guiding element for lighting arrangement for room lighting - Google Patents

Light guiding element for lighting arrangement for room lighting

Info

Publication number
DE29903847U1
DE29903847U1 DE29903847U DE29903847U DE29903847U1 DE 29903847 U1 DE29903847 U1 DE 29903847U1 DE 29903847 U DE29903847 U DE 29903847U DE 29903847 U DE29903847 U DE 29903847U DE 29903847 U1 DE29903847 U1 DE 29903847U1
Authority
DE
Germany
Prior art keywords
light
light guide
exit surface
lighting arrangement
light exit
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
Application number
DE29903847U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
Original Assignee
ZUMTOBEL STAFF DORNBIRN Ges mbH
Zumtobel Staff GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19853956A external-priority patent/DE19853956B4/en
Application filed by ZUMTOBEL STAFF DORNBIRN Ges mbH, Zumtobel Staff GmbH filed Critical ZUMTOBEL STAFF DORNBIRN Ges mbH
Priority to DE29903847U priority Critical patent/DE29903847U1/en
Priority to PT99944444T priority patent/PT1110031E/en
Priority to DK99944444T priority patent/DK1110031T3/en
Priority to NZ509329A priority patent/NZ509329A/en
Priority to CA002340984A priority patent/CA2340984A1/en
Priority to EP99944444A priority patent/EP1110031B1/en
Priority to MXPA01000646A priority patent/MXPA01000646A/en
Priority to AU57374/99A priority patent/AU762579B2/en
Priority to HU0102779A priority patent/HU229147B1/en
Priority to DE59909816T priority patent/DE59909816D1/en
Priority to ES99944444T priority patent/ES2224694T3/en
Priority to PCT/EP1999/006084 priority patent/WO2000011399A1/en
Priority to CZ20010620A priority patent/CZ298662B6/en
Priority to AT99944444T priority patent/ATE269957T1/en
Publication of DE29903847U1 publication Critical patent/DE29903847U1/en
Priority to US09/789,643 priority patent/US20010046365A1/en
Priority to NO20010917A priority patent/NO328636B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G02B6/0035—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement 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
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays
    • 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
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (14)

1. Lichtleitelement für eine Beleuchtungsanordnung, das aus einem transparenten Lichtleitkörper mit einer Lichteintrittsfläche (10) und einer Lichtaustrittsfläche (11) besteht, mit folgenden Merkmalen:
  • a) die Lichtaustrittsfläche (11) ist derart profiliert, daß im Profilquerschnitt nebeneinander liegende Vorsprünge und Einbuchtungen gebildet sind,
  • b) der Lichtleitkörper hat eine der Lichtaustrittsfläche (11) gegenüberliegende Reflexionsfläche, welche Flankenabschnitte (17) aufweist, die auftreffendes Licht total reflektieren und in Richtung auf die Lichtaustrittsfläche (11) derart umlenken, daß das Licht den Lichtleitkörper verlassen kann.
1. Light guide element for a lighting arrangement, which consists of a transparent light guide body with a light entry surface ( 10 ) and a light exit surface ( 11 ), with the following features:
  • a) the light exit surface ( 11 ) is profiled such that projections and indentations lying next to one another are formed in the profile cross section,
  • b) the light guide body has a reflection surface opposite the light exit surface ( 11 ), which has flank sections ( 17 ) which totally reflect incident light and deflect it in the direction of the light exit surface ( 11 ) in such a way that the light can leave the light guide body.
2. Lichtleitelement nach Anspruch 1, dadurch gekennzeichnet, daß vor der profilierten Lichtaustrittsfläche (11) des Lichtleitkörpers ein transparenter Lichtstreukörper (20a) angeordnet ist, dessen der Lichtaustrittsfläche (11) des Lichtleitkörpers abgewandte Oberfläche derart profiliert ist, daß im Profilquerschnitt nebeneinander liegende Vorsprünge und Einbuchtungen gebildet sind, wobei die Profilierung des Lichtstreukörpers (20a) im wesentlichen quer zu der Profilierung der Lichtaustrittsfläche orientiert ist.2. Light guide element according to claim 1, characterized in that in front of the profiled light exit surface ( 11 ) of the light guide body, a transparent light scattering body ( 20 a) is arranged, the surface of which faces away from the light exit surface ( 11 ) of the light guide body is profiled such that projections lying next to one another in the profile cross section and indentations are formed, the profiling of the light scattering body ( 20 a) being oriented essentially transversely to the profiling of the light exit surface. 3. Lichtleitelement für eine Beleuchtungsanordnung, das aus einem transparenten Lichtleitkörper mit einer Lichteintrittsfläche (10) und einer Lichtaustrittsfläche (11) besteht, mit folgenden Merkmalen:
  • a) die Lichtaustrittsfläche (11) des Lichtleitkörpers ist weitgehend glatt,
  • b) vor der Lichtaustrittsfläche (11) des Lichtleitkörpers ist ein transparenter Lichtstreukörper (20) angeordnet, dessen der Lichtaustrittsfläche (11) des Lichtleitkörpers abgewandte Oberfläche derart profiliert ist, daß im Profilquerschnitt nebeneinander liegende Vorsprünge und Einbuchtungen gebildet sind.
3. Light guide element for a lighting arrangement, which consists of a transparent light guide body with a light entry surface ( 10 ) and a light exit surface ( 11 ), with the following features:
  • a) the light exit surface ( 11 ) of the light guide body is largely smooth,
  • b) in front of the light exit surface ( 11 ) of the light guide body, a transparent light scattering body ( 20 ) is arranged, the surface of which faces away from the light exit surface ( 11 ) of the light guide body is profiled in such a way that projections and indentations lying next to one another are formed in the profile cross section.
4. Lichtleitelement nach Anspruch 3, dadurch gekennzeichnet, daß zusätzlich zu dem ersten Lichtstreukörper (20) vor der Lichtaustrittsfläche (11) ein zweiter Lichtstreukörper (20a) angeordnet ist, dessen der Lichtaustrittsfläche (11) des Lichtleitkörpers abgewandte Oberfläche derart profiliert ist, daß im Profilquerschnitt nebeneinander liegende Vorsprünge und Einbuchtungen gebildet sind, wobei die Profilierung des zweiten Lichtstreukörpers (20a) im wesentlichen quer zu der Profilierung des ersten Lichtstreukörpers (20) orientiert ist. 4. Light guide element according to claim 3, characterized in that in addition to the first light scattering body ( 20 ) in front of the light exit surface ( 11 ) a second light scattering body ( 20 a) is arranged, the surface of which faces away from the light exit surface ( 11 ) of the light guide body is profiled such that Projections and indentations lying next to one another are formed in the profile cross section, the profile of the second light scattering body ( 20 a) being oriented essentially transversely to the profile of the first light scattering body ( 20 ). 5. Lichtleitelement nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Lichtleitkörper eine der Lichtaustrittsfläche (11) gegenüberliegende Reflexionsfläche mit Flankenabschnitten (17) aufweist, die auftreffendes Licht total reflektieren und in Richtung auf die Lichtaustrittsfläche (11) derart umlenken, daß das Licht den Lichtleitkörper verlassen kann.5. Light guiding element according to claim 3 or 4, characterized in that the light guiding body has one of the light exit surface ( 11 ) opposite reflection surface with flank portions ( 17 ) which totally reflect incident light and deflect in the direction of the light exit surface ( 11 ) such that the light can leave the light guide. 6. Lichtleitelement nach einem der Ansprüche 1, 2 oder 5, dadurch gekennzeichnet, daß die Flankenabschnitte (17) in Bezug auf die Ebene der Lichtaustrittsfläche (11) nach innen geneigt sind.6. Light guiding element according to one of claims 1, 2 or 5, characterized in that the flank sections ( 17 ) are inclined inwards with respect to the plane of the light exit surface ( 11 ). 7. Lichtleitelement nach Anspruch 6, dadurch gekennzeichnet, daß die Flankenabschnitte (17) konkav oder konvex ausgebildet sind.7. Light guide element according to claim 6, characterized in that the flank sections ( 17 ) are concave or convex. 8. Lichtleitelement nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Profilierung der Lichtaustrittsfläche (11) oder der Lichtstreukörper (20, 20a) durch im wesentlichen längliche oder kreisrunde Rillen mit dazwischenliegenden Erhebungen gebildet ist, wobei die Erhebungen im Querschnitt dreieckig, trapezförmig, prismenförmig oder abgerundet ausgebildet sein können.8. Light guiding element according to one of claims 1 to 7, characterized in that the profiling of the light exit surface ( 11 ) or the light scattering body ( 20 , 20 a) is formed by substantially elongated or circular grooves with intermediate elevations, the elevations being triangular in cross section , trapezoidal, prismatic or rounded. 9. Lichtleitelement nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Lichtleitkörper im wesentlichen rechteckig, kreisförmig, diskusförmig oder zylinderförmig ist.9. light guiding element according to one of claims 1 to 8, characterized, that the light guide body is substantially rectangular, circular, disc-shaped or is cylindrical. 10. Beleuchtungsanordnung mit wenigstens einer Lichtquelle (4) und wenigstens einem Lichtleitelement (3) mit einer in der Nähe der Lichtquelle (4) angeordneten Lichteintrittsfläche, dadurch gekennzeichnet, daß das Lichtleitelement (3) nach einem der Ansprüche 1 bis 9 ausgebildet ist.10. Lighting arrangement with at least one light source ( 4 ) and at least one light guide element ( 3 ) with a light entry surface arranged in the vicinity of the light source ( 4 ), characterized in that the light guide element ( 3 ) is designed according to one of claims 1 to 9. 11. Beleuchtungsanordnung nach Anspruch 10, dadurch gekennzeichnet, daß die Beleuchtungsanordnung (1) eine Lichtquelle (4) aufweist, die zwischen zwei Lichtleitelementen (3) angeordnet ist. 11. Lighting arrangement according to claim 10, characterized in that the lighting arrangement ( 1 ) has a light source ( 4 ) which is arranged between two light guide elements ( 3 ). 12. Beleuchtungsanordnung nach Anspruch 10, . dadurch gekennzeichnet, daß die Beleuchtungsanordnung (1) ein Lichtleitelement (3) aufweist, das zwischen zwei Lichtquellen (4) angeordnet ist.12. Lighting arrangement according to claim 10,. characterized in that the lighting arrangement ( 1 ) has a light guide element ( 3 ) which is arranged between two light sources ( 4 ). 13. Beleuchtungsanordnung nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, daß die Lichtquelle(n) (4) eine bzw. jeweils eine Reflektoranordnung (5) zum Einkoppeln des gesamten von der bzw. den Lichtquelle(n) abgestrahlten Lichtes in das oder die Lichtleitelement(e) (3) aufweist bzw. aufweisen.13. Lighting arrangement according to one of claims 10 to 12, characterized in that the light source (s) ( 4 ) one or in each case a reflector arrangement ( 5 ) for coupling the entire light emitted by the light source (s) into or the light guide element (s) ( 3 ) has or have. 14. Beleuchtungsanordnung nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, daß die Lichtquelle (4) eine im wesentlichen punktförmige, eine längliche oder eine kreisringförmige Lichtquelle ist.14. Lighting arrangement according to one of claims 10 to 13, characterized in that the light source ( 4 ) is a substantially point-shaped, an elongated or an annular light source.
DE29903847U 1998-08-24 1999-03-03 Light guiding element for lighting arrangement for room lighting Expired - Lifetime DE29903847U1 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
DE29903847U DE29903847U1 (en) 1998-08-24 1999-03-03 Light guiding element for lighting arrangement for room lighting
AT99944444T ATE269957T1 (en) 1998-08-24 1999-08-19 LAMP WITH LIGHT CONDUCTING ELEMENT
HU0102779A HU229147B1 (en) 1998-08-24 1999-08-19 Indoor lamp
ES99944444T ES2224694T3 (en) 1998-08-24 1999-08-19 LIGHTING WITH LIGHT DRIVING ELEMENT.
NZ509329A NZ509329A (en) 1998-08-24 1999-08-19 Light unit with a light-guiding element
CA002340984A CA2340984A1 (en) 1998-08-24 1999-08-19 Light with a light-guiding element
EP99944444A EP1110031B1 (en) 1998-08-24 1999-08-19 Light with a light-guiding element
MXPA01000646A MXPA01000646A (en) 1998-08-24 1999-08-19 Light with a light-guiding element.
AU57374/99A AU762579B2 (en) 1998-08-24 1999-08-19 Light with a light-guiding element
PT99944444T PT1110031E (en) 1998-08-24 1999-08-19 LIGHTING UNIT WITH LIGHT GUIDE ELEMENT
DE59909816T DE59909816D1 (en) 1998-08-24 1999-08-19 LAMP WITH LIGHT GUIDE
DK99944444T DK1110031T3 (en) 1998-08-24 1999-08-19 Light-emitting diode
PCT/EP1999/006084 WO2000011399A1 (en) 1998-08-24 1999-08-19 Light with a light-guiding element
CZ20010620A CZ298662B6 (en) 1998-08-24 1999-08-19 Light
US09/789,643 US20010046365A1 (en) 1998-08-24 2001-02-22 Light unit with a light guiding element
NO20010917A NO328636B1 (en) 1998-08-24 2001-02-23 Lighting unit with light-conducting element

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19838388 1998-08-24
DE19853956A DE19853956B4 (en) 1998-08-24 1998-11-23 Lighting arrangement with a light guide for room lighting
DE29903847U DE29903847U1 (en) 1998-08-24 1999-03-03 Light guiding element for lighting arrangement for room lighting

Publications (1)

Publication Number Publication Date
DE29903847U1 true DE29903847U1 (en) 2000-02-24

Family

ID=26048349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29903847U Expired - Lifetime DE29903847U1 (en) 1998-08-24 1999-03-03 Light guiding element for lighting arrangement for room lighting

Country Status (1)

Country Link
DE (1) DE29903847U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011516A1 (en) * 2000-03-09 2001-09-20 Siteco Beleuchtungstech Gmbh Lighting system
DE20016857U1 (en) * 2000-09-29 2002-02-14 Zumtobel Staff Gmbh Luminaire with two light sources
US6742914B2 (en) 2000-03-09 2004-06-01 Siteco Beleuchtungatechnik Gmbh Light having a non-uniform light emission
CN104285094A (en) * 2012-05-10 2015-01-14 Lg伊诺特有限公司 Lighting device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10011516A1 (en) * 2000-03-09 2001-09-20 Siteco Beleuchtungstech Gmbh Lighting system
US6742914B2 (en) 2000-03-09 2004-06-01 Siteco Beleuchtungatechnik Gmbh Light having a non-uniform light emission
US7207699B2 (en) 2000-03-09 2007-04-24 Siteco Beleuchtungstechnik Gmbh System of light units
DE20016857U1 (en) * 2000-09-29 2002-02-14 Zumtobel Staff Gmbh Luminaire with two light sources
CN104285094A (en) * 2012-05-10 2015-01-14 Lg伊诺特有限公司 Lighting device
CN104285094B (en) * 2012-05-10 2019-08-27 Lg 伊诺特有限公司 Lighting device

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20000330

R150 Term of protection extended to 6 years

Effective date: 20020723

R151 Term of protection extended to 8 years

Effective date: 20050616

R081 Change of applicant/patentee

Owner name: ZUMTOBEL LIGHTING GMBH, AT

Free format text: FORMER OWNER: ZUMTOBEL STAFF GES.M.B.H., DORNBIRN, AT

Effective date: 20060517

R152 Term of protection extended to 10 years

Effective date: 20070620

R071 Expiry of right