EP2648178A3 - Assembly for emitting light with a flat light conducting element - Google Patents

Assembly for emitting light with a flat light conducting element Download PDF

Info

Publication number
EP2648178A3
EP2648178A3 EP13161950.4A EP13161950A EP2648178A3 EP 2648178 A3 EP2648178 A3 EP 2648178A3 EP 13161950 A EP13161950 A EP 13161950A EP 2648178 A3 EP2648178 A3 EP 2648178A3
Authority
EP
European Patent Office
Prior art keywords
light
guiding element
assembly
conducting element
coupling region
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
Application number
EP13161950.4A
Other languages
German (de)
French (fr)
Other versions
EP2648178B1 (en
EP2648178A2 (en
Inventor
Helmut Feuerle
Kilga Patrick
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 Lighting GmbH Austria
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
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2648178A2 publication Critical patent/EP2648178A2/en
Publication of EP2648178A3 publication Critical patent/EP2648178A3/en
Application granted granted Critical
Publication of EP2648178B1 publication Critical patent/EP2648178B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G08B7/062Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418Constructional details
    • G09F13/0436Signs, boards or panels attached to ceilings
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/04Signs, boards or panels, illuminated from behind the insignia
    • G09F13/0418Constructional details
    • G09F2013/05Constructional details indicating exit way or orientation
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/18Edge-illuminated signs
    • G09F2013/1804Achieving homogeneous illumination
    • G09F2013/1836Achieving homogeneous illumination using a frame-like light source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
    • G09F2013/222Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Led Device Packages (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Bei einer Anordnung zur Lichtabgabe mit einem flächigen Lichtleitelement (10) sowie mehreren im Wesentlichen punktförmigen Lichtquellen , welche an zumindest einer einen Lichteinkoppelbereich des Lichtleitelements (10) bildenden Schmalseite angeordnet sind, ist das Lichtleitelement (10) dazu ausgebildet ist, das von den Lichtquellen abgegebene und über den Lichteinkoppelbereich eingestrahlte Licht über eine im wesentlichen senkrecht zu der Schmalseite angeordnete Flachseite (11, 12) abzustrahlen. Das Lichtleitelement (10) weist an der den Lichteinkoppelbereich (13) bildenden Schmalseite eine Ausnehmung auf, in welcher die Lichtquellen gemeinsam mit einem Trägerelement für die Lichtquellen angeordnet sind.

Figure imgaf001
In an arrangement for emitting light with a planar light-guiding element (10) and a plurality of substantially punctiform light sources, which are arranged on at least one narrow light side forming a light coupling region of the light-guiding element (10), the light-guiding element (10) is designed to receive the light emitted by the light sources and to emit light irradiated via the light coupling region via a flat side (11, 12) arranged substantially perpendicular to the narrow side. The light-guiding element (10) has a recess on the narrow side forming the light-coupling region (13), in which the light sources are arranged together with a carrier element for the light sources.
Figure imgaf001

EP13161950.4A 2012-04-05 2013-04-02 Assembly for emitting light with a flat light conducting element Active EP2648178B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012101244U DE202012101244U1 (en) 2012-04-05 2012-04-05 Arrangement for emitting light with flat light-guiding element

Publications (3)

Publication Number Publication Date
EP2648178A2 EP2648178A2 (en) 2013-10-09
EP2648178A3 true EP2648178A3 (en) 2014-04-23
EP2648178B1 EP2648178B1 (en) 2015-06-10

Family

ID=47998321

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13161950.4A Active EP2648178B1 (en) 2012-04-05 2013-04-02 Assembly for emitting light with a flat light conducting element

Country Status (2)

Country Link
EP (1) EP2648178B1 (en)
DE (1) DE202012101244U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015219947A1 (en) * 2015-10-14 2017-04-20 Zf Friedrichshafen Ag Circuit carrier and method for producing the same
DE102021103957A1 (en) 2021-02-19 2022-08-25 Zumtobel Lighting Gmbh Escape sign luminaire with escape route lighting
DE102022108996A1 (en) 2022-04-13 2023-10-19 Zumtobel Lighting Gmbh LIGHT CONDUCTING ELEMENT, FOR EXAMPLE, FOR EXHAUST SIGN LIGHTS
DE202022101995U1 (en) 2022-04-13 2023-07-18 Zumtobel Lighting Gmbh Light guide element for escape sign luminaire
DE202022103416U1 (en) 2022-06-20 2023-10-09 Zumtobel Lighting Gmbh Escape sign light with additional escape route lighting

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29514090U1 (en) * 1995-09-04 1995-11-16 Schulz Juergen Dipl Ing Housing-free escape sign luminaire
DE19945495A1 (en) * 1999-09-22 2001-04-05 Daniel Wustlich Illuminated plate-shaped element has light source in form of circuit board carrying semiconducting chips, arranged transverse to plate surface to extend over at least part of plate width
DE10123006A1 (en) * 2001-05-12 2002-11-21 P E R Flucht Und Rettungsleits Active lighting system for luminescent emergency sign, comprises LED, rechargeable battery and battery charge indicator
US20030043595A1 (en) * 2001-09-04 2003-03-06 Wilfried Luig Luminaire
DE102004055337A1 (en) * 2003-11-17 2005-06-23 Russler, Theodor Illumination device e.g. electric light bulb, for e.g. garden, has light source with LEDs including contacting agent, where LEDs and agent are fused in plastic disk, and device reflects and/or refracts sunlight

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512755C2 (en) * 1997-07-08 2000-05-08 Lisol Scandinavia Ab Illuminated display unit and method of manufacturing the same
DE29912986U1 (en) * 1999-07-26 2000-05-11 Renic Anton Character-like luminous mark
KR20100077677A (en) * 2008-12-29 2010-07-08 삼성전자주식회사 Backlight unit and liquid crystal display having the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29514090U1 (en) * 1995-09-04 1995-11-16 Schulz Juergen Dipl Ing Housing-free escape sign luminaire
DE19945495A1 (en) * 1999-09-22 2001-04-05 Daniel Wustlich Illuminated plate-shaped element has light source in form of circuit board carrying semiconducting chips, arranged transverse to plate surface to extend over at least part of plate width
DE10123006A1 (en) * 2001-05-12 2002-11-21 P E R Flucht Und Rettungsleits Active lighting system for luminescent emergency sign, comprises LED, rechargeable battery and battery charge indicator
US20030043595A1 (en) * 2001-09-04 2003-03-06 Wilfried Luig Luminaire
DE102004055337A1 (en) * 2003-11-17 2005-06-23 Russler, Theodor Illumination device e.g. electric light bulb, for e.g. garden, has light source with LEDs including contacting agent, where LEDs and agent are fused in plastic disk, and device reflects and/or refracts sunlight

Also Published As

Publication number Publication date
DE202012101244U1 (en) 2013-07-09
EP2648178B1 (en) 2015-06-10
EP2648178A2 (en) 2013-10-09

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