WO2016166058A1 - Dispositif de support d'une diode électroluminescente organique et module d'oled - Google Patents

Dispositif de support d'une diode électroluminescente organique et module d'oled Download PDF

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Publication number
WO2016166058A1
WO2016166058A1 PCT/EP2016/057917 EP2016057917W WO2016166058A1 WO 2016166058 A1 WO2016166058 A1 WO 2016166058A1 EP 2016057917 W EP2016057917 W EP 2016057917W WO 2016166058 A1 WO2016166058 A1 WO 2016166058A1
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WO
WIPO (PCT)
Prior art keywords
volume
holding device
volume region
oled
region
Prior art date
Application number
PCT/EP2016/057917
Other languages
German (de)
English (en)
Inventor
Erwin Lang
Original Assignee
Osram Oled 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 Osram Oled Gmbh filed Critical Osram Oled Gmbh
Publication of WO2016166058A1 publication Critical patent/WO2016166058A1/fr

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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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Definitions

  • OLED module is for example in the publication
  • OLEDs Organic light-emitting diodes
  • the OLED can be mounted in a holding device, so that an OLED module is formed.
  • Vibrations of the OLED module for example when driving over uneven ground or when opening and closing the doors. As a result, mechanical forces can be transmitted to the OLED, which can damage them.
  • a holding device for an OLED is to be specified, which reduces the probability of damage to the OLED due to external mechanical loads. Furthermore, an OLED module with such a holding device
  • Holding device and the OLED module are each the subject of the dependent claims.
  • An organic light-emitting diode holding device preferably comprises a holding element having a main surface which comprises a mounting surface.
  • the holding element has a first volume area and a second volume area, wherein the first volume area is different from the second volume area.
  • the first volume region and the second volume region are preferably part of the holding element and preferably comprised by the latter.
  • the first volume region and the second volume region form the retaining element.
  • the first volume area and the second volume area only have the function that
  • the first volume region is arranged in the interior of the holding element, so that it is not freely accessible from the outside.
  • the second volume area preferably completely surrounds the first volume area.
  • the first volume region is arranged in such a way in the interior of the holding element, that an outer surface of the first volume region simultaneously
  • the first is preferred
  • Volume range here of the second volume range surrounded, wherein the mounting surface is preferably flush with the material of the second volume range.
  • the retaining element may, for example, substantially
  • the holding element is designed as a rod, wherein one or more corners are rounded or chamfered.
  • the first volume region is also formed substantially rod-shaped.
  • the first volume region of the retaining element is preferably arranged in the region of the mounting surface.
  • the first volume region has a major surface that runs along the mounting surface. The main surface of the first
  • Volume region can be arranged approximately parallel to the mounting surface.
  • the first volume region preferably receives more force due to elastic deformation when it is exposed to mechanical stresses than the second volume region of the retaining element.
  • the term "elasticity" means the property of a body to change its shape under the action of a mechanical force, which is preferred
  • the elasticity of a body usually depends on its geometry and its material. A measure of the elasticity of a material is that
  • the fixture is based on the idea of a first
  • the deformation of the first volume region is preferably as reversible as possible.
  • mechanical forces acting on the OLED module with the holding device can be reduced in the first volume region by elastic deformations. This significantly reduces the likelihood of OLED damage.
  • volume area in the region of the mounting surface, which is intended to receive the OLED.
  • the first volume range has a first modulus of elasticity and the second volume range has a second modulus of elasticity, wherein the first modulus of elasticity is smaller than the second modulus of elasticity.
  • the elasticity of the holding element varies along its main surface.
  • the elasticity of the first varies along its main surface.
  • the variation may be a linear decrease or linear increase in elasticity from a side surface of the first Volume region to be a center of the holding element.
  • the elasticity may vary by more than 5%, preferably more than 30%, and more preferably more than 90 ⁇ 6.
  • the elasticity of the first volume region varies along the entire main surface of the holding element.
  • Variation may be a linear decrease or increase in elasticity from the side surfaces of the holding member toward a center of the holding member.
  • the mounting surface is preferably arranged centrally on the main surface of the support member.
  • the elasticity may be more than 5%, preferably more than 30% and most preferably more than 90%
  • the holding element comprises a plurality of first volume regions whose thickness decreases continuously starting from a side surface of the holding element towards the center of the holding element, wherein in each case a second volume region is arranged between two directly adjacent first volume regions.
  • the thickness of the first volume regions increases along the
  • Stability of the entire holding device can be improved.
  • the first volume region comprises the mounting surface.
  • the OLED is in the assembly to an OLED module directly to the first
  • the first volume area applied. Has the first volume range in addition to its optimized mechanical properties one increased thermal conductivity, it can be achieved in this way an improved heat dissipation from the OLED during operation.
  • the first volume area and the second volume area have two different materials.
  • the first volume region is arranged in the interior of the holding element, so that the mounting surface is free of the
  • the mounting surface is encompassed by the second volume region and formed by the material of the second volume region. If a module is formed with such a holding device by mounting an OLED on the mounting surface, the OLED or a joining means for connecting the OLED to the mounting surface is not in contact with the material of the first volume region, but in contact with the material of the second volume volume range.
  • the first volume area and / or the second volume area comprises or is formed from one of the following materials: thermoplastics, thermosets, elastomers, composites, plastics,
  • thermoplastics may be, for example
  • thermoplastics such as, for example, polyoxymethylene (POM), polyethylene (PE),
  • Polypropylene PP
  • polyamide PA
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • amorphous thermoplastics such as, for example, acrylonitrile-butadiene-styrene (ABS), polymethyl methacrylate (PMMA), polystyrene (PS), Polyvinyl chloride (PVC), polycarbonate (PC), styrene-acrylonitrile copolymer (SAN) and polyphenylene ether (PPE).
  • ABS acrylonitrile-butadiene-styrene
  • PMMA polymethyl methacrylate
  • PS polystyrene
  • PVC Polyvinyl chloride
  • PC polycarbonate
  • SAN styrene-acrylonitrile copolymer
  • PPE polyphenylene ether
  • Polyblends with very specific properties, which are particularly impact, stiffness and
  • Examples of polyblends are: ABS / PA, PC / ABS, acrylic / PVC (Kydex®), ASA / PC, PP / EPDM, PC / PBT and PS / PE.
  • thermoplastics can also be produced with different densities:
  • polyethylene can be produced in different grades, mainly in: HD-PE (High-Density-PE), LLD-PE (Linear-Low-Density-PE), LD-PE (Low Density PE).
  • the thermosets may, for example, to
  • Phenolic resins polyester resins, polyurethane resins for coatings and surface coatings and synthetic resins such as epoxy resins act.
  • elastomers for example, natural rubber (NR), acrylonitrile-butadiene rubber (NBR), styrene-butadiene rubber (SBR), chloroprene rubber (CR), butadiene rubber (BR), and ethylene-propylene-diene rubber (EPDM ) to get voted.
  • natural rubber NR
  • NBR acrylonitrile-butadiene rubber
  • SBR styrene-butadiene rubber
  • CR chloroprene rubber
  • BR butadiene rubber
  • EPDM ethylene-propylene-diene rubber
  • Composites may be, for example, plastics.
  • the plastics may be provided with additives such as carbon and / or glass fibers or color pigments.
  • Possible are also plastics that are mixed with plasticizers, such as extenders. Extenders are also referred to as secondary plasticizers.
  • the extender is epoxidized oils, high boiling mineral oils and paraffins.
  • the plastic mixed with a plasticizer is diethylhexyl phthalate (DEHP) mixed with extenders such as epoxidized oils, high-boiling ones
  • the plastics can also be mixed with stabilizers.
  • Stabilizers can be used to stabilize the plastics.
  • antioxidants that trap the resulting free radicals in the reaction
  • Radical chain terminators are used, for example, phenols or amines, as deactivators are, for example, phosphines and amines. It is also possible that the
  • Plastics are mixed with fillers. Fillers are extenders that make up the plastic
  • the fillers can be mechanical
  • suitable fillers are: chalk, sand, kieselguhr,
  • Volume range also include the same base material.
  • the second volume region comprises or consists of a metal and a base material, such as a thermoplastic, duroplastic, elastomer, composite material or plastic, and the first material
  • Volume range includes or consists of the base material of the second volume range.
  • the second volume region is made of a metal, such as a metal holder, which is completely coated with a plastic.
  • Metal holder is preferably substantially rod-shaped
  • the stiffness in the second volume region is due to the high rigidity of the metal holder.
  • the first volume region and the second volume region have a same base material, wherein in the second
  • volume range particles are embedded, which is the
  • the first volume range is preferably free of the
  • the base material may be, for example, a polymer. With the help of particles can
  • Volume range and the second volume range can be avoided.
  • the particles have a
  • the particles may be one of the following
  • Carbon nanotubes CNT
  • diamond diamond
  • copper boron nitride
  • aluminum aluminum nitride
  • aluminum oxide aluminum oxide
  • plastics plastics
  • CNT carbon nanotubes
  • diamond 2300 W / mK
  • copper 392 W / mK
  • boron nitride 400 W / mK
  • aluminum 221 W / mK
  • aluminum nitride 180-220 W / mK
  • Aluminum oxide 28 W / mK
  • plastics 0.2-0.4 W / mK.
  • air has a thermal conductivity of 0.026 W / mK.
  • the diameter of the particles is preferably between 50 nm and 5 mm inclusive. More preferably, the diameter of the particles is between 100 nm and 100 ym inclusive, and most preferably between 1 ym and 10 ym inclusive.
  • the base material may be, for example, one of the following materials: polyethylene, ethylene-polyvinyl acetate, expandable polystyrene, polystyrene, polyvinyl chloride, plasticized polyvinyl chloride,
  • Epoxy resins polycarbonates, alkyd resins,
  • a material of the first volume area has a different crosslinking behavior than a material of the second volume Volume range. Particularly preferred here is the
  • the volume regions comprise a polymer or are formed from a polymer whose degree of crosslinking within the first volume range is less than
  • the polymer can only in terms of the frequency of its crosslinks in the two
  • the first volume region comprises a first polymer and the second volume region comprises a second polymer, which is not only of the number of the first polymer
  • first polymer and the second polymer are crosslinked by the same mechanism as
  • the first volume area and the second volume area have pores, the pores in the first volume area having on average a larger diameter than the pores in the second volume area.
  • the pores lead to a change in the stiffness of the material.
  • the first volume area and the second volume area have the same Material, preferably a metal, on.
  • the following metals are suitable for use in this embodiment: aluminum, iron, copper, cobalt,
  • the pores in the first volume region preferably have a diameter between 1 ⁇ m and 5 mm inclusive, more preferably between 5 ⁇ m and 2 mm inclusive, most preferably between 10 ⁇ m and 1 mm inclusive.
  • the pores preferably have a diameter which, depending on the diameter of the pores of the first volume region, is smaller by 1% to 1000% smaller, preferably 10% to 100%.
  • the first volume area and the second volume area have pores, wherein the total degree of filling of the pores in the first
  • the volume range is higher than in the second volume range.
  • the total degree of filling can be between 0-99%, preferably between 0-50% and particularly preferably between 0 and 30%%.
  • the first volume region differs from the second volume region by its geometry in such a way that the elasticity of the first volume region is increased compared to the second volume region.
  • a cross section of the first volume region tapers from a center of the retaining element to a side surface of the Holding element out.
  • the taper takes place continuously.
  • the first one is
  • volume region formed wedge-shaped.
  • the first volume range and the second volume range are the first volume range and the second volume range.
  • the holding device is particularly suitable for use in an OLED module.
  • An OLED module according to one embodiment comprises an OLED mounted on the mounting surface of the fixture. For example, the OLED is glued to the mounting surface.
  • the OLED comprises an organic layer stack with an organic light-generating zone.
  • Layer stack is arranged between an anode and a cathode which, during operation of the OLED, inject charge carriers into the organic layer stack and in particular into the active zone.
  • the anode and the cathode are usually formed of an inorganic material, for example a metal or a TCO (transparent conductive oxide).
  • the anode is applied to a substrate according to an embodiment of the OLED.
  • the substrate and the anode are preferably formed transparent to the light of the OLED.
  • the substrate is formed of glass and the anode of a TCO.
  • the major surface of the substrate, which faces away from the layer stack, includes therein Embodiment preferred the radiation exit surface of the OLED.
  • the OLED emits light through the substrate during operation.
  • Such an OLED is also called a bottom emitter.
  • the OLED used here in the OLED module is a bottom emitter.
  • the OLED used in the OLED module may also be a top emitter.
  • the light is emitted in operation via the cathode, which is transparent to the light of the OLED.
  • Substrate may in this embodiment be formed from a foil, such as a steel or plastic foil.
  • the mounting surface occupies only a part of a main surface of the holding element according to an embodiment.
  • the OLED is preferred only with a portion of its back
  • the OLED is in this case arranged such that a contact strip of the OLED, particularly preferably in the center, is located above the holding element.
  • the described holding device is particularly advantageous here. According to one embodiment of the OLED is on the
  • a contact strip is furthermore preferably arranged which serves to electrically connect the OLED
  • the contact strip is in one
  • the contact strip is laterally adjacent to the organic
  • the OLED has an encapsulation which encapsulates the organic layer stack and has the task of protecting the organic layer
  • the encapsulation comprises a thin-film layer stack.
  • a thin-film layer stack is described, for example, in the publication WO 2010/108894 A1, whose
  • the encapsulation of the OLED may also comprise a thin metal foil, a plastic foil and / or a lacquer layer.
  • a thin metal foil, a plastic foil and / or a lacquer layer is applied to the thin-film layer stack applied.
  • Preferred is a combination of a
  • the encapsulation may be a glass plate
  • the glass plate preferably extends along the entire main surface of the substrate and is adhesively bonded, for example, over its entire surface.
  • the metal foil may be one of the following, for example
  • Materials are: aluminum, copper.
  • the lacquer layer may be one of the following, for example
  • the encapsulation of the OLED is preferably free of a glass plate.
  • the glass plate can be any glass plate.
  • the OLED has a glass plate as part of the encapsulation, it can generally absorb external mechanical forces in such a way that damage to the organic layer stack can at least be significantly reduced.
  • the function of the glass plate within the encapsulation may be through a metal foil, a plastic film or a
  • Paint layer are taken over.
  • a metal foil for example, a better heat dissipation compared to a Glass plate can be achieved while varnish layers and
  • the glass plate is preferably by a metal foil, a plastic film or a
  • Plastic film or the paint layer are preferably over the entire surface in direct contact with the substrate.
  • Another possibility for encapsulating the organic layer stack is a glass cap with a cavity which is applied over the organic layer stack.
  • the glass cap is usually mechanically stable connected to the substrate, for example via a bonding layer.
  • the glass cap can additionally or
  • the encapsulation is also of a glass cap, since in this case also mechanical loads can usually be taken over the joining areas.
  • the first volume region is arranged in the region of the active light-generating zone of the OLED.
  • the first volume region having the increased elasticity overlaps laterally with the active light-generating region of the OLED.
  • the OLED is applied over its entire area with its entire rear main surface on the mounting surface of the holding device.
  • Mounting surface is in this case preferably arranged centrally on the first main surface of the holding element.
  • the elasticity of the holding element and / or the first volume region varies along the entire main surface of the holding element.
  • the variation may be a linear decrease or increase in elasticity from the
  • the OLED module is suitable in one
  • Figure 1 shows a schematic sectional view of a
  • FIGS. 2 to 9 each show a schematic
  • the holding device 1 according to the embodiment of
  • FIG. 1 has a holding element 2 with a mounting surface 3 on a main surface.
  • the holding element 2 comprises a first volume region 4 and a second volume region 5, wherein the first volume region 4 of the second
  • the first volume region 4 is arranged in the region of the mounting surface 3 and has an increased elasticity, so that the first volume region 4 can absorb more force by elastic deformation than the second
  • the first volume region 4 is smaller than and embedded in the second volume region 5, so that the first volume region 4 is completely covered by a thin layer of the material of the second volume region 5. Furthermore, a main surface of the first volume region 4 extends along the mounting surface 3.
  • the mounting surface 3 is formed of material of the second volume region 5. Suitable materials for the first volume region 4 and the second volume region 5 are in the general part of
  • the OLED module according to the embodiment of Figure 2 has a holding device 1, as already described with reference to FIG 1. On the mounting surface 3 of
  • Holding element 2 is by means of an adhesive layer 6, an OLED 7 with a part of its rear-side main surface
  • the adhesive layer 6 is in this case applied over the entire surface of the mounting surface 3 of the support member 2.
  • the OLED 7 comprises a substrate 8, on which an organic layer stack 9 is arranged between an anode and a cathode (not shown). The organic one
  • Layer stack 9 has an active zone (not shown) which emits light during operation of the OLED 7.
  • the light is emitted by a radiation exit surface 10, which is surrounded by the main surface of the substrate 8 facing away from the organic layer stack 9.
  • the emitted light is symbolized by the arrow in FIG.
  • the organic layer stack 9 is encapsulated by means of a thin-film layer stack 11.
  • Thin film layer stack 11 embeds the organic
  • Layer stack 9 and is in direct contact with this.
  • Layer stack 9 a thin metallic film 12, by means of an adhesive layer 6 'directly on the
  • Thin film layer stack 11 is glued.
  • the adhesive layer 6 ' is in this case applied over the entire surface of the thin-film layer stack 11.
  • the metal foil 12, for example, an aluminum foil is applied over the entire surface of the adhesive layer 6 '.
  • the OLED 7 comprises on its substrate 8 a contact strip 13 with which the OLED 7 can be contacted electrically to the outside.
  • the OLED 7 is fastened to the holding element 2 such that part of the OLED 7 projects laterally beyond the holding element 2. Likewise, a part of the retaining element 2 protrudes laterally beyond the OLED 7.
  • the OLED 7 is in this case arranged such that the contact strip 13 is located above the holding element 2.
  • the OLED module according to the exemplary embodiment of FIG. 3 has a different holding element 2 than the OLED module according to the exemplary embodiment of FIG. 2.
  • the holding element 2 of the holding device 1 comprises a plurality of first volume regions 4, which are arranged at a distance from each other along the main surface of the holding element 2.
  • the thickness of the first volume regions 4 decreases here from a side surface of the holding element 2, which is surmounted by the OLED 7, towards the middle of the holding element 2.
  • the holding device 1 furthermore has a multiplicity of second volume regions 5.
  • the first volume regions 4 are each separated from each other by a second volume region 5.
  • the first volume regions 4 are embedded in the material of the second volume regions 5. Due to the
  • Training and arrangement of the first volume regions 4 takes the elasticity of the retaining element 2, starting from the
  • the OLED module according to the embodiment of Figure 4 differs by the holding device 1 of the OLED module according to the embodiment of Figure 2.
  • Embodiment of Figure 4 has a first
  • Volume region 5 is arranged such that the
  • Mounting surface 3 of the first volume region 4 is included.
  • the first volume region 4 thus forms part of the
  • the OLED module according to the embodiment of Figure 5 differs by the holding device 1 of the other OLED modules described here.
  • the holding element 2 of the holding device 1 comprises a first volume region 4, which differs from the second volume region 5 by its geometric configuration, so that the
  • the first volume region 4 has a cross-sectional area which increases continuously from the side surface of the retaining element 2, which is projected beyond the OLED 7, toward the center of the retaining element 2.
  • the first volume region 4 is wedge-shaped here.
  • the OLED module according to the exemplary embodiment of FIG. 6 has a holding element 2 with a plurality of first volume regions 4 and a plurality of second volume regions 5.
  • the first volume areas 4 point in this case starting from two
  • the first volume regions 4 are in the material of the second Volume areas 5 embedded.
  • a second volume region 5 is arranged between two directly adjacent first volume regions 4.
  • the mounting surface 3 is arranged centrally on a main surface of the retaining element 2.
  • the OLED 7 is present with its back main surface over the entire surface by means of an adhesive layer 6 on the
  • the OLED module according to the embodiment of Figure 7 differs by the holding device 1 of the other OLED modules described here.
  • the holding element 2 of the holding device 1 comprises a first volume region 4 extending from the second volume region 5
  • Volume region 4 is increased relative to the second volume region 5. This is achieved by different materials of the first volume region 4 and the second volume region 5.
  • the second volume region 5 is made of a metal and the first volume region 4 is made of polyethylene.
  • the first volume region 4 has in the present case in the extension between the two main surfaces of
  • Retaining element 2 has the same thickness as the second
  • the mounting surface 3 is comprised by the first volume region 4 and partially by the second volume region 5.
  • the adhesive layer 6 has a direct mechanical
  • the OLED module according to the embodiment of Figure 8 differs by the holding device 1 of the other OLED modules described here.
  • the holding element 2 of the holding device 1 according to the exemplary embodiment of FIG. 8 has a first volume region 4, which comprises the mounting surface 3.
  • the first volume region 4 thus completely forms the main surface of the holding element 2.
  • the second volume region 5 is in direct mechanical
  • the main surface facing away from the first volume region 4 is in direct contact with the main surface of the second volume region 5, facing the mounting surface, partially or completely (not shown here).
  • a part of the first volume region 4 projects laterally beyond the second
  • volume region 4 in the direction of the side surfaces is greater than the extent of the second volume region 5 in the direction of the side surfaces.
  • the expansions may also be the same, so that the main surface of the first volume region 4 facing away from the mounting surface and the main surface of the second volume region 5 facing the mounting surface
  • the second volume region 5 is formed of a metal that reinforces the first volume region 4 of a more elastic material, such as acrylonitrile-butadiene rubber.
  • the OLED module according to the embodiment of Figure 9 differs by the holding device 1 of the other OLED modules described here.
  • the holding element 2 the holding device 1 according to the embodiment of Figure 9 has a first volume region 4, which comprises the mounting surface 3.
  • the first volume region 4 completely forms the main surface of the holding element 2.
  • the second volume region 5 is in direct mechanical contact with the first volume region 4 and is arranged on the main surface of the first volume region 4 opposite the motive surface.
  • the main surface of the first volume region 4 facing away from the mounting surface is partially in direct contact with the main surface of the second volume region 5 facing the mounting surface.
  • the extent of the first volume region 4 in the direction of the side surfaces is greater than the extent of the second volume region 5 in the direction of the side surfaces. In the present case, therefore, two parts of the first volume region 4 protrude laterally beyond the second
  • volume range 5 addition This embodiment is particularly suitable when the OLED module is installed in a tail light and the retaining element 2 protrudes to the rear from a housing of the OLED.
  • the first volume region 4 and the second volume region 5 may be formed of the same material or the same
  • Volume range 4 has one compared to the second
  • Volume range 5 increased elasticity.
  • the invention is not limited by the description based on the embodiments of these. Rather, it includes The invention relates to any novel feature as well as any combination of features, which in particular includes any combination of features i the claims, even if this feature or this combination itself is not explicitly in the

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Abstract

L'invention concerne un dispositif de support (1), destiné à une diode électroluminescente organique (7), qui comprend un élément de support (2) qui possède une surface de montage (3) sur une surface principale. Une première zone de volume (4) de l'élément de support (2) présente une élasticité accrue dans la zone de la surface de montage (3) de sorte que la première zone de volume (4) peut absorber une plus grande force par déformation élastique qu'une seconde zone de volume (5) de l'élément de support (2). En outre, un module d'OLED est pourvu d'un tel dispositif de support.
PCT/EP2016/057917 2015-04-15 2016-04-11 Dispositif de support d'une diode électroluminescente organique et module d'oled WO2016166058A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015105766.2A DE102015105766A1 (de) 2015-04-15 2015-04-15 Haltevorrichtung für eine organische Leuchtdiode und OLED-Modul
DE102015105766.2 2015-04-15

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Publication Number Publication Date
WO2016166058A1 true WO2016166058A1 (fr) 2016-10-20

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WO (1) WO2016166058A1 (fr)

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