WO2015074889A1 - Appareil électroménager pourvu d'un éclairage intérieur et procédé permettant de produire l'appareil électroménager - Google Patents

Appareil électroménager pourvu d'un éclairage intérieur et procédé permettant de produire l'appareil électroménager Download PDF

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Publication number
WO2015074889A1
WO2015074889A1 PCT/EP2014/073947 EP2014073947W WO2015074889A1 WO 2015074889 A1 WO2015074889 A1 WO 2015074889A1 EP 2014073947 W EP2014073947 W EP 2014073947W WO 2015074889 A1 WO2015074889 A1 WO 2015074889A1
Authority
WO
WIPO (PCT)
Prior art keywords
emitting diode
organic light
recess
cover
light
Prior art date
Application number
PCT/EP2014/073947
Other languages
German (de)
English (en)
Inventor
Stephan Kempfle
Matthias Wiedenmann
Original Assignee
BSH Hausgeräte 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 BSH Hausgeräte GmbH filed Critical BSH Hausgeräte GmbH
Publication of WO2015074889A1 publication Critical patent/WO2015074889A1/fr

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D27/00Lighting arrangements

Definitions

  • the invention relates to a household refrigerator with an interior lighting and a method for producing the household refrigerator.
  • Domestic refrigerators typically include a refrigerated interior for storing food.
  • the coolable interior may be e.g. be closed by a door leaf. When the door leaf is open, the coolable interior is accessible.
  • household refrigerators usually include an interior lighting, which illuminates the coolable interior at least partially with the door open.
  • DE 10 2010 031 696 A1 discloses a refrigerator and / or freezer with two coolable internal spaces, which are cooled to different temperatures.
  • the interior lighting is designed as a light column, which extends over both coolable interiors.
  • the light column may be implemented as a vertically extending light band, may comprise a plurality of LEDs or a light guide, and may run in or on a wall of the coolable interior spaces.
  • Object of the present invention is to provide a household refrigerator with improved interior lighting.
  • a household refrigerator comprising a thermally insulated body with a, several walls having inner container defining a food storage provided for coolable interior, a cooling device for cooling the coolable interior, a door leaf, which is provided in the closed Condition to close the coolable interior and make it accessible in the open state, and an interior lighting, which is intended to illuminate the coolable interior with the door open at least partially, which is mounted in a recess in one of the walls of the inner container, and the areal organic Light emitting diode and a light for at least partially transparent cover comprises, which is the planar organic light emitting diode covering overlapping all over and with their, the organic light emitting diode overlapping area is fixed in the recess.
  • Another aspect of the invention relates to a method for producing the domestic refrigerator according to the invention, comprising the following method steps:
  • the domestic refrigerator according to the invention comprises the heat-insulated body with the inner container, which limits the coolable interior. This is cooled by the refrigeration device.
  • This is preferably designed as a refrigerant circuit which is known in principle to the person skilled in the art and is preferably designed such that it cools the coolable interior at least approximately to a predetermined temperature.
  • the coolable interior is intended for storing food.
  • the domestic refrigerator according to the invention may e.g. to be a household refrigerator.
  • the coolable interior is cooled to temperatures greater than 0 ° C.
  • the household refrigerator according to the invention may also be a Marshsgefrier réelle.
  • the coolable interior is cooled to temperatures less than 0 ° C.
  • the household refrigerator according to the invention may also be a freezer-refrigeration combination.
  • the domestic refrigerator according to the invention can have exactly one coolable interior, but also several coolable interiors, which can also be closed and opened by means of a respective door leaf. Each of the coolable interiors may have a separate interior lighting according to the invention.
  • the inner container comprises a plurality of walls directed towards the coolable interior. These are in particular two side walls, a ceiling and a rear wall. At least one of these walls is provided with the recess in which the interior lighting is fixed. It can be exactly one of these walls with a recess including interior lighting provided, but it can also be several walls each provided with a recess including interior lighting.
  • the recess can be produced for example by deep drawing or punching.
  • the corresponding wall is eg a metal wall.
  • the interior lighting comprises the planar organic light-emitting diode.
  • Organic light-emitting diodes are also referred to as OLEDs and, in comparison to non-organic light-emitting diodes, they can be made to be planar but also relatively thin. This makes it possible to make the interior lighting relatively thin and thus the recess relatively flat. Due to the possibility of making the recess relatively flat, an overall thicker thermal insulation remains.
  • the organic light-emitting diode and / or the cover are flexible according to an embodiment of the domestic refrigerator according to the invention.
  • the basic structure of an organic light emitting diode is known in the art.
  • the organic light-emitting diode in particular comprises a carrier and a plurality of organic semiconductor layers which are applied to the carrier.
  • the support is flexible in that it is preferably designed as a plastic film.
  • the planar organic light-emitting diode may have a protective layer so that the organic semiconductor layers are arranged between the carrier and the protective layer.
  • the protective layer is translucent and preferably designed as a flexible plastic film.
  • the organic light-emitting diode is in particular relatively thin, it preferably has a thickness of less than 0.5 mm.
  • the cover is adhesively bonded to the recess with its region overlapping the organic light-emitting diode.
  • the cover with its organic light-emitting diode overlapping area is peripherally bonded to the recess.
  • the bond can seal the organic light emitting diode to the outside.
  • the cover is preferably fastened to the recess by means of an adhesive tape with the region overlapping the organic light-emitting diode.
  • the adhesive tape is, for example, a double-sided adhesive tape which adheres to the depression with one of its sides and to the side of the cover directed toward the depression with its other side.
  • the cover is preferably fastened to the recess by means of a circumferential adhesive tape with the region overlapping the organic light-emitting diode. This allows the tape to seal the organic light emitting diode to the outside.
  • the cover comprises an area which is at least partially translucent for the light of the organic light-emitting diode and an edge which is impermeable to light and surrounds this region.
  • the cover is preferably made in one piece. It is e.g. made of plastic.
  • the light impermeable edge may be e.g. be realized by printing the corresponding area.
  • the light-impermeable edge of the cover circumferentially covers an edge region of the organic light-emitting diode. As a result, the edge region of the organic light emitting diode is not visible through the cover, whereby the appearance of the interior lighting is improved. Since, according to this variant, the area of the cover which overlaps the organic light-emitting diode is also part of the light-impermeable edge of the cover, this or this one is not visible from the outside when the adhesive tape or adhesive is used.
  • the organic light-emitting diode may preferably be designed in such a way that it produces as homogeneous a light as possible with a relatively high proportion of white light. But it is also possible that the organic light emitting diode comprises a plurality of areas which generate light of different colors.
  • the organic light-emitting diode can also be designed such that it generates a luminous pattern and / or at least one luminous letter. This can be achieved by an appropriate choice and a corresponding structuring of the organic semiconductor materials.
  • the planar organic light-emitting diode is at least partially transparent, at least semitransparent.
  • the planar organic LED completely transparent or at least semitransparent.
  • this color or pattern through the at least semitransparent planar organic light emitting diode through.
  • This pattern may e.g. be designed as a logo and / or as at least one letter.
  • an insert which in particular is of colored and / or patterned design. The color or pattern of the insert may then shine through the at least semitransparent planar organic light emitting diode.
  • This pattern may e.g. be designed as a logo and / or as at least one letter.
  • a flexible organic light-emitting diode with preferably a thickness of ⁇ 0.5 mm.
  • the organic light emitting diode has e.g. a dimension of 200mm to 50mm.
  • the area in which the organic light-emitting diode is integrated or attached ie the recess, preferably by a maximum of 2 mm deep, e.g. pulled or punched.
  • a corresponding pocket can also be introduced in an injection molding tool used to produce the inner container.
  • the organic light-emitting diode is inserted into the pocket or depression and optionally made through an opening in the pocket or recess electrical connections to the organic light emitting diode.
  • a preferably flexible transparent cover with optionally printed opaque edge is used.
  • the edge can be on his Be provided with an adhesive tape on the back to secure the cover and the OLED in the pocket or recess.
  • organic light emitting diode is its relatively good uniform light distribution.
  • organic light emitting diodes may be made relatively thin, e.g. an interior lighting with a maximum thickness of 2mm is feasible.
  • the low installation depth has the advantage that the underlying insulation of the household refrigerating appliance through the depression only has to be reduced relatively little.
  • the cover and organic light-emitting diode are preferably made flexible, the interior lighting adapts relatively well to the contour of the wall surface, which is e.g. due to a temperature change or manufacturing tolerances can not be completely flat.
  • Any shape or surface (2D and limited to 3D) or any pattern or logo can be realized with such a technical structure.
  • the interior lighting is universally applicable and not set to a specific substrate or specific fixation structure.
  • an underlying front lighting would be possible.
  • the interior lighting can be used in the ceiling, the side wall, the rear wall, even in front of any existing air duct because of their relatively low installation depth.
  • FIG. 1 shows a household refrigerator with an interior lighting in a perspective view Figures 2 to 4, the production of the interior lighting performing
  • FIG. 5 shows a planar organic light emitting diode
  • FIG. 6 shows a section of a part of the interior lighting
  • Figure 7 is a front view of another organic light emitting diode.
  • Figure 8 is a side wall of the household refrigerator.
  • Fig. 1 shows a perspective view of a household refrigerator 1, which includes a thermally insulated body 10 with an inner container 2, which limits a coolable interior 3 provided for storing food not shown.
  • the inner container 2 comprises a plurality of walls facing the coolable inner space 3, which walls are in particular formed as two opposite side walls 2a, a rear wall 2b and a ceiling 2c.
  • the household refrigerating appliance 1 has a door leaf 4, which can be pivoted relative to a vertically extending axis (not shown), for closing the coolable interior 3.
  • a door leaf 4 When the door leaf 4 open the coolable interior 3 is accessible.
  • a plurality of door racks 5 are arranged for storing food in the case of the present embodiment.
  • a plurality of shelves 6 are arranged for storing food in the coolable interior 3 and in particular a drawer 7 is arranged in the lower region of the coolable interior 3, in which also food can be stored.
  • a further shelf 6a is arranged, which covers the upward opening of the drawer 7.
  • the domestic refrigeration appliance 1 comprises a non-illustrated, the person skilled in principle known refrigeration device preferably in the form of a refrigerant circuit for cooling the coolable interior 3.
  • the refrigerant circuit includes, for example a Compressor, a compressor downstream of the condenser, a condenser downstream throttle device, which is designed in particular as a throttle or capillary tube, and an evaporator, which is arranged between the throttle device and the compressor.
  • the household refrigerator 1 can be designed as a so-called no-frost household refrigerator.
  • the domestic refrigeration appliance 1 comprises a control device 8, which comprises, for example, electronics and is set up to control the refrigeration device, in particular the compressor of the refrigerant circuit in a manner well known to those skilled in the art, such that the coolable interior 3 is at least approximately one having predetermined or predetermined target temperature.
  • the control device 8 is preferably set up in such a way that it regulates the temperature of the coolable interior 3.
  • the household refrigerating appliance 1 can have at least one temperature sensor (not shown in greater detail and connected to the control device 8).
  • the household refrigerator 1 comprises at least one interior lighting 9, which is provided to illuminate the coolable interior 3 at least partially only when the door leaf 4 is open.
  • the household refrigerator 1 may comprise a door opening switch, not shown.
  • the manufacture of the interior lighting 9 is illustrated by means of FIGS. 2 to 4.
  • the indoor lighting 9 is fixed in or on one of the side walls 2a. It is also possible that the domestic refrigerator 1 has a plurality of interior lighting 9, e.g. has on one of the two side walls 2a.
  • At least one interior lighting 9 can also be fixed in or on the ceiling 2c and / or in or on the rear wall 2b. Additionally or alternatively, both side walls 2 a may be provided with at least one interior lighting 9.
  • the interior lighting 9 extends in the vertical direction, in particular over at least most of the side wall 2a, but at least over most of the side wall 2a from the ceiling 2c to the shelf 6a which covers the drawer 7.
  • the interior lighting 9 comprises a planar organic light-emitting diode 51 shown in FIG. 5, which in particular is able to produce a bright light with preferably a relatively high proportion of white light.
  • Organic light emitting diodes are also referred to as OLEDs.
  • the planar organic light-emitting diode 51 comprises a carrier 52, on which a plurality of organic semiconductor layers 53 are applied, as is known in principle to the person skilled in the art.
  • the organic light-emitting diode 51 further includes a cathode, not shown, and an anode, not shown, as well as electrical connections, not shown, to supply the operation of the interior lighting 9, the organic light-emitting diode 51 with electrical energy.
  • the carrier 52 is preferably made of plastic and is designed in the case of the present embodiment as a plastic film. As a result, the organic light emitting diode 51 is flexible.
  • the organic semiconductor layers 53 are provided with a protective layer 54, so that the semiconductor layers 53 and optionally the anode and the cathode are arranged between the carrier 52 and the protective layer 54.
  • the protective layer 54 is at least semitransparent for light, preferably as transparent as possible.
  • the protective layer 54 is preferably made of plastic and is designed in the case of the present embodiment as a plastic film. In combination with the carrier 52 designed as a plastic film, a relatively flexible organic light-emitting diode 51 thus results.
  • the organic light emitting diode 51 is relatively thin.
  • the organic light-emitting diode 51 has in particular a Thickness of less than 0.5 mm.
  • the organic light-emitting diode 51 is, for example, rectangular and is for example 200 mm long and 50 mm wide.
  • one of the side walls 2a is shown, which is to be provided with the interior lighting 9.
  • the towards the coolable interior 3 facing side of the side wall 2 a is provided with a pocket or recess 21.
  • the recess 21 is chosen such that it is capable of receiving the organic light-emitting diode 51.
  • the recess 21 is slightly wider and longer than the organic light emitting diode 51.
  • the organic light-emitting diode 51 is placed in the recess 21. This is shown in FIG. 3.
  • the carrier 52 of the organic light emitting diode 51 is facing the side wall 2a.
  • the side wall 2a is e.g. designed as a metal wall.
  • the organic light-emitting diode 51 is not on the side walls of the recess 21, but forms with them a circumferential gap 22. After the organic light emitting diode 51 in the Recess 21 was placed, it is provided with a cover 23 shown in Figures 4 and 6.
  • FIG. 6 shows a section of a part of the interior lighting 9 in a perspective view.
  • the cover 23 is dimensioned such that it completely covers the organic light-emitting diode 51 and, in particular, overlaps the organic light-emitting diode 51 circumferentially. It lies in particular on the protective layer 54 of the organic light-emitting diode 51.
  • the cover 23 is made of a material which is at least partially permeable to light. It is preferably flexible.
  • the recess 21 and the cover 23 are in particular designed such that the cover 23 does not protrude beyond the recess 21 addition.
  • interior lighting 9, in particular the combination of cover 23 and organic light emitting diode a maximum of 2 mm thick.
  • the cover 23 is made in one piece. It preferably comprises a circumferential opaque or light-impermeable edge 24, which preferably covers the side edges of the organic light-emitting diode 51 and the organic light-emitting diode 51 overlaps circumferentially.
  • the edge 24 of the cover 23 surrounds a region 25 for light at least partially, preferably as well as permeable region 25 through which the organic light-emitting diode 51 is able to shine through during operation.
  • the light impermeable edge 24 of the cover 23 is e.g. realized by printing the cover 23 in the region of the edge 24. It is possible that both sides of the cover 23 are printed or that only the recess 21 or only the coolable interior 3 facing side of the cover 23 are printed in the region of the edge 24.
  • the edge 24 comprises an adhesive tape 26 which in particular circumscribes only in its region overlapping the organic light-emitting diode 51 and with which the edge 24 adheres to the depression 21.
  • the adhesive tape 26 can also be embodied as a circumferential, double-sided adhesive tape, which on the one hand adheres to the edge 24, in particular to its region overlapping the organic light-emitting diode 51, and on the other hand to the depression 21.
  • the organic light-emitting diode 51 is designed such that it emits a homogeneous, preferably monochromatic light over its entire surface.
  • the light preferably has a relatively large white color compartment.
  • the organic light-emitting diode 51 it is also possible for the organic light-emitting diode 51 to be designed such that it comprises regions which generate light of different color. This can be realized by a corresponding embodiment and / or structuring of the organic semiconductor layers 52. But it is also possible that at least partially the semiconductor layers 53 are structured such that there is an illuminated lettering or an illuminated pattern.
  • Such an organic light emitting diode 71 which can be used in place of the organic light emitting diode 51 for the indoor lighting 9 is shown in FIG.
  • the organic light-emitting diode 71 comprises a first region 72 and a second region 73.
  • the materials of the organic semiconductor layers 53 are selected in the first region 72 such that, in operation, the organic light-emitting diode 71 radiates a planar light in the first region preferably has a relatively high proportion of white light.
  • the organic semiconductor layers 53 are structured in such a way that a luminous pattern and / or at least one luminous letter 74 results.
  • the luminous pattern and / or the at least one luminous letter 74 may also be colored.
  • areal organic light emitting diode 51 and or the planar organic light-emitting diode 71 are transparent, at least partially transparent and / or at least semitransparent.
  • the recess 21 is designed colored and / or patterned.
  • the transparent or semitransparent planar organic light-emitting diode then allows this color or pattern to shine through.
  • This pattern may be formed, for example, as a logo and / or as at least one letter.
  • the color or the pattern of the insert 27 can then by at least semitransparent planar organic light-emitting diodes 51, 71 shine through.
  • This pattern may be formed, for example, as a logo and / or as at least one letter.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne un appareil électroménager (1) et un procédé permettant de produire l'appareil électroménager (1). L'appareil électroménager (1) comprend un corps (10) isolé thermiquement pourvu d'un contenant intérieur (2) comprenant plusieurs parois (2a, 2b, 2c) et délimitant un espace intérieur (3) pouvant être refroidi et destiné à stocker des aliments, un dispositif de refroidissement destiné à refroidir l'espace intérieur(3) pouvant être refroidi, un battant de porte (4), lequel est destiné, une fois fermé, à fermer l'espace intérieur (3) pouvant être refroidi et, une fois ouvert, à le rendre accessible, et un éclairage intérieur (9), lequel est conçu pour éclairer au moins en partie l'espace intérieur (3) pouvant être refroidi lorsque le battant de porte (4) est ouvert. L'éclairage intérieur (9) est fixé dans un creux (21) d'une des parois (2a, 2b, 2c) du contenant intérieur (2) et comprend une diode électroluminescente organique plane (51, 71) et un cache (23), ledit cache laissant au moins en partie passer la lumière, recouvrant par chevauchement la diode électroluminescente organique plane (51, 71) et étant fixé par sa zone recouvrant la diode électroluminescente organique (51, 71) dans le creux (21).
PCT/EP2014/073947 2013-11-20 2014-11-06 Appareil électroménager pourvu d'un éclairage intérieur et procédé permettant de produire l'appareil électroménager WO2015074889A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013223736.7A DE102013223736A1 (de) 2013-11-20 2013-11-20 Haushaltskältegerät mit einer Innenraumbeleuchtung und Verfahren zum Herstellen des Haushaltskältegerätes
DE102013223736.7 2013-11-20

Publications (1)

Publication Number Publication Date
WO2015074889A1 true WO2015074889A1 (fr) 2015-05-28

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PCT/EP2014/073947 WO2015074889A1 (fr) 2013-11-20 2014-11-06 Appareil électroménager pourvu d'un éclairage intérieur et procédé permettant de produire l'appareil électroménager

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DE (1) DE102013223736A1 (fr)
WO (1) WO2015074889A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1647767A2 (fr) * 2004-10-12 2006-04-19 Illinois Tool Works Inc. Dispositif d'éclairage
EP1933094A2 (fr) * 2006-12-08 2008-06-18 OSRAM Opto Semiconductors GmbH Appareil électrique
JP2010008017A (ja) * 2008-06-30 2010-01-14 Mitsubishi Electric Corp 冷蔵庫
DE102010031696A1 (de) 2010-06-25 2011-12-29 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl-und/oder Gefriergerät

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1647767A2 (fr) * 2004-10-12 2006-04-19 Illinois Tool Works Inc. Dispositif d'éclairage
EP1933094A2 (fr) * 2006-12-08 2008-06-18 OSRAM Opto Semiconductors GmbH Appareil électrique
JP2010008017A (ja) * 2008-06-30 2010-01-14 Mitsubishi Electric Corp 冷蔵庫
DE102010031696A1 (de) 2010-06-25 2011-12-29 Liebherr-Hausgeräte Ochsenhausen GmbH Kühl-und/oder Gefriergerät

Also Published As

Publication number Publication date
DE102013223736A1 (de) 2015-06-03

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