EP1361391A2 - Lampe pour l'éclairage d'un poste de travail - Google Patents

Lampe pour l'éclairage d'un poste de travail Download PDF

Info

Publication number
EP1361391A2
EP1361391A2 EP03004083A EP03004083A EP1361391A2 EP 1361391 A2 EP1361391 A2 EP 1361391A2 EP 03004083 A EP03004083 A EP 03004083A EP 03004083 A EP03004083 A EP 03004083A EP 1361391 A2 EP1361391 A2 EP 1361391A2
Authority
EP
European Patent Office
Prior art keywords
light
lamp
illuminant
work surface
luminaire according
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
EP03004083A
Other languages
German (de)
English (en)
Other versions
EP1361391B1 (fr
EP1361391A3 (fr
Inventor
Katharina Keller
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
Original Assignee
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
Application filed by Zumtobel Staff GmbH filed Critical Zumtobel Staff GmbH
Publication of EP1361391A2 publication Critical patent/EP1361391A2/fr
Publication of EP1361391A3 publication Critical patent/EP1361391A3/fr
Application granted granted Critical
Publication of EP1361391B1 publication Critical patent/EP1361391B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • F21Y2115/15—Organic light-emitting diodes [OLED]

Definitions

  • the present invention relates to a lamp for illuminating a workplace with a flat lamp.
  • Ceiling lights are usually used to illuminate work areas in offices used, which illuminate the rooms as a whole. For working on individual Jobs, such as B. Desks, however, is such a general one Room lighting is often not sufficient. Rather, it is individual lighting of the workplace, which is obtained by additional lights.
  • luminaires which as Use a flat light source.
  • this lamp it can be for example an electroluminescent luminescent layer made of an inorganic or act an organic semiconductor material.
  • the layers of light from one inorganic semiconductor material represents a further development of the known punctiform LEDs, which consist of an organic semiconductor layer Illuminants are often referred to as so-called OLEDs (organic LEDs).
  • OLEDs organic LEDs
  • These OLEDs which are usually polymers, are available for example in the form of a thin flexible film.
  • Luminaires with such flat lamps are for example from the DE 198 26 548A1 or EP 0 756 132 A1.
  • Illuminate with flat lamps due to their shallow depth. Since both the Both organic and inorganic light sources are very flat, luminaires can be created that have a total depth of only 0.5 to 3 cm. On Another advantage of such lights is the comparatively very minor Heat.
  • the present invention has for its object a lamp with a to specify flat illuminants which are suitable for illuminating workplaces is.
  • a lamp which has the features of claim 1 has, solved.
  • This is characterized by the fact that the flat Bulb emitted light to a level of the illuminant essentially vertically arranged plane, which represents the work surface to be illuminated, is emitted.
  • the luminaire thus has an asymmetrical light emission that ensures that the light emitted by the illuminant is only for Illumination of the workplace is used and not to cause annoying glare for a user in the workplace.
  • the invention Luminaire can for example be arranged on the edge of a work table. Due to its very shallow depth, it takes up little space and has an effect therefore less annoying than conventional table lamps.
  • the desired asymmetrical radiation characteristic of the lamp according to the invention can be achieved, for example, in that a Light guide plate is arranged, which on the light emitted by the lamp the work surface to be illuminated directs.
  • the deflection of the light can, for example by a on the light exit surface or on the side facing away from the illuminant Light guide plate arranged prism structure can be obtained.
  • An alternative One possibility is to place the lamp on the one to be illuminated Bend the worktop away from the end towards the work surface.
  • both Variants can be an opaque back plate on the back of the lamp be provided, which an undesired emission of light to the back prevented.
  • the illuminant can, for example, be a layer made of an inorganic Semiconductor material or from an organic semiconductor material. In both cases there is the possibility of changing the color temperature of the emitted light to change the field strength applied to the semiconductor layer.
  • An advantageous one Further development of the lamp according to the invention then consists in a device for manual adjustment of the light color, for example a switch or rotary control use. As an alternative, however, the control of the optical fiber can also be done via a sensor.
  • the lamp 1 is for illumination a workplace 6 in the form of a desk 7 is provided.
  • the lamp 1 is in the illustrated example arranged on a long side of the desk 7 and has the Form a flat rectangular disc.
  • this could be a circular shape or have the shape of an ellipse.
  • the lamp 1 is perpendicular to the one to be illuminated Table top 8 of the desk 7 arranged.
  • the radiation from the lamp 1 emitted light is such that the light is directed only to the perpendicular to the Luminaire 1 arranged tabletop 8 falls, so that a trapezoidal area 9 is illuminated.
  • a radiation occurs perpendicular to the plane of the lamp 1 not, however, so that one on the opposite long side of the desk 7 seated person is not blinded.
  • Illuminant 2 shows the structural design of the luminaire 1 according to the invention.
  • the light is this creates a flat layer of a flat illuminant 2.
  • Illuminant 2 is an electroluminescent layer made of a inorganic or organic semiconductor material, for example around a thin one OLED film.
  • Electrode layers with the aid of which one is applied over the semiconductor layer 2 electric field is generated. This electric field is for the generation of light in the Semiconductor layer 2 responsible.
  • the color of the lamp 2 generated is influenced by the field strength of the electric field. It there is thus the possibility of changing the color temperature of the lamp 1 Adjust the light individually, for example, by manual control of the electrical field strength or automatically via an appropriate sensor can.
  • the deflection of the light emitted by the illuminant 2 in the direction of illuminating work surface is arranged in front of the illuminant 2 Lichtlenkplatte 4.
  • This consists of a transparent material, for example Plastic or glass and has a prism structure 5 on its light exit side.
  • the preferably in one piece with the plate-shaped core of the light guide plate 4th connected microprisms 5 have an asymmetrical structure, so that from the Microprisms 5 emerging light beams downwards or in the direction of illuminating work surface. In Fig. 2 this is an example represented using the light beam S1.
  • the whole Structure has a very shallow depth of, for example, 5mm to 3cm.
  • FIG. 3 A second exemplary embodiment of a luminaire according to the invention is shown in FIG. 3 shown.
  • the lamp 11 is on its from illuminating work surface 8 facing away from the work surface 8 curved.
  • the direction of the light emitted by the lamp 11 is on the Table top improved.
  • the radiation of the light emitted by the luminaire 1 is thereby better determined and the trapezoidal area 12 generated on the work surface 8 better can be specified.
  • the lamp has an identical structure on like the lamp shown in Figs. 1 and 2.
  • the present invention thus provides an extremely flat lamp Lighting of a workplace is available, which takes up little space and at the same time ensures optimal lighting.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Planar Illumination Modules (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP03004083A 2002-05-08 2003-02-25 Lampe pour l'éclairage d'un poste de travail Expired - Lifetime EP1361391B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10220588 2002-05-08
DE10220588A DE10220588A1 (de) 2002-05-08 2002-05-08 Leuchte zur Arbeitsplatzbeleuchtung

Publications (3)

Publication Number Publication Date
EP1361391A2 true EP1361391A2 (fr) 2003-11-12
EP1361391A3 EP1361391A3 (fr) 2006-04-12
EP1361391B1 EP1361391B1 (fr) 2010-04-28

Family

ID=7714504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03004083A Expired - Lifetime EP1361391B1 (fr) 2002-05-08 2003-02-25 Lampe pour l'éclairage d'un poste de travail

Country Status (4)

Country Link
EP (1) EP1361391B1 (fr)
AT (1) ATE466230T1 (fr)
DE (2) DE10220588A1 (fr)
NO (1) NO334160B1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363632A1 (fr) * 2010-03-05 2011-09-07 Pöllet, Wilfried Dispositif d'éclairage d'une plaque de travail
EP2428826A1 (fr) * 2010-09-10 2012-03-14 Young Lighting Technology Corporation Appareil de source lumineuse et procédé d'utilisation de l'appareil de source lumineuse
WO2013007744A1 (fr) * 2011-07-12 2013-01-17 Ledon Oled Lighting Gmbh & Co. Kg Module lumineux doté d'un élément de guidage de lumière contrôlable
WO2014193830A1 (fr) * 2013-05-31 2014-12-04 3M Innovative Properties Company Luminaire pour passage piéton
EP2573455A3 (fr) * 2011-09-22 2014-12-31 Flos S.P.A. Lampe avec intensité lumineuse asymétrique
WO2014172147A3 (fr) * 2013-04-17 2015-02-05 Pixi Lighting, Inc. Ensemble d'éclairage
US9335036B2 (en) 2011-05-17 2016-05-10 Pixi Lighting, Inc. Flat panel lighting device and driving circuitry
US9476552B2 (en) 2013-04-17 2016-10-25 Pixi Lighting, Inc. LED light fixture and assembly method therefor
US9546781B2 (en) 2013-04-17 2017-01-17 Ever Venture Solutions, Inc. Field-serviceable flat panel lighting device
US9557022B2 (en) 2015-04-30 2017-01-31 Ever Venture Solutions, Inc. Non-round retrofit recessed LED lighting fixture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756132A1 (fr) 1995-07-28 1997-01-29 MAGNETI MARELLI S.p.A. Feu pour véhicule à épaisseur réduite
DE19826548A1 (de) 1998-02-05 1999-08-12 Zumtobel Staff Gmbh Beleuchtungsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPM483294A0 (en) * 1994-03-31 1994-04-28 Chulalongkorn University Amorphous semiconductor thin film light emitting diode
DE29621619U1 (de) * 1996-12-12 1997-02-27 Siemens AG, 80333 München Vorrichtung zur Beleuchtung von Theaterbühnen, TV-Studios o.dgl.
DE10042651C2 (de) * 2000-05-08 2002-10-02 Poellet Wilfried Arbeitsplatzbeleuchtung
JP2001325805A (ja) * 2000-05-15 2001-11-22 Matsushita Electric Works Ltd スタンド形照明器具
JP2001357978A (ja) * 2000-06-16 2001-12-26 Kuraray Co Ltd 面状光源装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0756132A1 (fr) 1995-07-28 1997-01-29 MAGNETI MARELLI S.p.A. Feu pour véhicule à épaisseur réduite
DE19826548A1 (de) 1998-02-05 1999-08-12 Zumtobel Staff Gmbh Beleuchtungsanordnung

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363632A1 (fr) * 2010-03-05 2011-09-07 Pöllet, Wilfried Dispositif d'éclairage d'une plaque de travail
EP2428826A1 (fr) * 2010-09-10 2012-03-14 Young Lighting Technology Corporation Appareil de source lumineuse et procédé d'utilisation de l'appareil de source lumineuse
US9562678B2 (en) 2011-05-17 2017-02-07 Pixi Lighting, Inc. Flat panel lighting device
US9664365B2 (en) 2011-05-17 2017-05-30 Pixi Lighting, Inc. Flat panel lighting device
US10422518B2 (en) 2011-05-17 2019-09-24 Unity Opto Technology Co., Ltd. Flat panel lighting device
US10364974B2 (en) 2011-05-17 2019-07-30 Unity Opto Technology Co., Ltd. Flat panel lighting device and driving circuitry
US9335036B2 (en) 2011-05-17 2016-05-10 Pixi Lighting, Inc. Flat panel lighting device and driving circuitry
US9423113B2 (en) 2011-05-17 2016-08-23 Pixi Lighting, Inc. Flat panel lighting device and driving circuitry
US9441801B1 (en) 2011-05-17 2016-09-13 Pixi Lighting, Inc. Flat panel lighting device and driving circuitry
US9447954B2 (en) 2011-05-17 2016-09-20 Pixi Lighting, Inc. Light fixture having a central wire-way
US9453616B2 (en) 2011-05-17 2016-09-27 Pixi Lighting, Inc. Flat panel lighting device
WO2013007744A1 (fr) * 2011-07-12 2013-01-17 Ledon Oled Lighting Gmbh & Co. Kg Module lumineux doté d'un élément de guidage de lumière contrôlable
EP2573455A3 (fr) * 2011-09-22 2014-12-31 Flos S.P.A. Lampe avec intensité lumineuse asymétrique
US9500328B2 (en) 2013-04-17 2016-11-22 Pixi Lighting, Inc. Lighting assembly
US9546781B2 (en) 2013-04-17 2017-01-17 Ever Venture Solutions, Inc. Field-serviceable flat panel lighting device
US9476552B2 (en) 2013-04-17 2016-10-25 Pixi Lighting, Inc. LED light fixture and assembly method therefor
US10352544B2 (en) 2013-04-17 2019-07-16 Unity Opto Technology Co., Ltd. Field-serviceable flat panel lighting device
WO2014172147A3 (fr) * 2013-04-17 2015-02-05 Pixi Lighting, Inc. Ensemble d'éclairage
US10386023B2 (en) 2013-04-17 2019-08-20 Unity Opto Technology Co., Ltd. LED light fixture and assembly method therefor
WO2014193830A1 (fr) * 2013-05-31 2014-12-04 3M Innovative Properties Company Luminaire pour passage piéton
US9557022B2 (en) 2015-04-30 2017-01-31 Ever Venture Solutions, Inc. Non-round retrofit recessed LED lighting fixture

Also Published As

Publication number Publication date
ATE466230T1 (de) 2010-05-15
NO20032047L (no) 2003-11-10
NO20032047D0 (no) 2003-05-07
EP1361391B1 (fr) 2010-04-28
DE10220588A1 (de) 2003-11-20
DE50312651D1 (de) 2010-06-10
NO334160B1 (no) 2013-12-23
EP1361391A3 (fr) 2006-04-12

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