WO2014044557A1 - Optoelektronisches bauelement und verfahren zur herstellung eines optoelektronischen bauelements - Google Patents
Optoelektronisches bauelement und verfahren zur herstellung eines optoelektronischen bauelements Download PDFInfo
- Publication number
- WO2014044557A1 WO2014044557A1 PCT/EP2013/068483 EP2013068483W WO2014044557A1 WO 2014044557 A1 WO2014044557 A1 WO 2014044557A1 EP 2013068483 W EP2013068483 W EP 2013068483W WO 2014044557 A1 WO2014044557 A1 WO 2014044557A1
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- WIPO (PCT)
- Prior art keywords
- connecting element
- optoelectronic component
- substrate
- component according
- layer sequence
- Prior art date
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Classifications
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Definitions
- the present invention relates to an optoelectronic component and a method for producing a
- Optoelectronic components such as
- LEDs Light-emitting diodes
- a connecting element which is the substrate and the radiation-emitting
- the resulting heat in the layer sequence can not be sufficiently derived.
- a filler is mixed in a conventional connecting element.
- the heat conductivity can be increased from 0.01 to a maximum of 0.2 to 0.4 W / mK depending on the degree of filling.
- this blended filler can be mixed only in the form of small particles in order to obtain the transparency of the connecting element. Therefore, a thermal conductivity of not more than 0.4 W / mK can not be generated.
- An object to be solved is an optoelectronic component, and a method for producing a
- An optoelectronic component comprises a substrate, a connecting element which is applied to the substrate, a layer sequence which comprises electromagnetic radiation
- the layer sequence is on the
- connecting element comprises at least one connecting material
- Connecting material has an oriented molecular configuration, and wherein the connecting element has at least one parameter which is anisotropic.
- component here not only finished components, such as light-emitting diodes (LEDs) or laser diodes are to be understood, but also substrates and / or
- Composite of a copper layer and a semiconductor layer constitute a component and a component of a
- the optoelectronic component according to the invention can comprise, for example, a thin-film semiconductor chip, in particular a thin-film light-emitting diode chip.
- layer sequence is to be understood as meaning a layer sequence comprising more than one layer, for example a sequence of a p-doped and an n-doped semiconductor layer, wherein the layers are arranged one below the other.
- a layer sequence can also be understood a semiconductor chip.
- electromagnetic radiation in particular electromagnetic radiation having one or more wavelengths or wavelength ranges from an ultraviolet to infrared spectral range, also referred to as light.
- light may be visible light and wavelengths or wavelength ranges from a visible spectral range between about 350 nm and about 800 nm
- Visible light can be here and below
- a layer or an element is arranged or applied "on” or “over” another layer or another element may mean here and below that the one layer or the one element directly in direct mechanical and / or electrical contact is arranged on the other layer or the other element.
- the one layer or the one element is arranged indirectly on or above the other layer or the other element.
- a connecting element is applied to the substrate, which is the connecting element
- Substrate may be present.
- the layer sequence is arranged indirectly in direct mechanical and / or electrical contact on the connecting element, in which case further layers and / or elements,
- solder layer and / or element or a sapphire layer or element may be arranged between the connection element and the layer sequence.
- Connecting element in this context means that this is an element and / or layer, for example the substrate, to another element and / or layer,
- a semiconductor chip comprising a
- the binding may be due to physical and / or chemical interactions of the
- the connecting element has, according to one embodiment, a connecting material which is oriented
- Connecting material a spatial orientation with respect to the surface of the substrate, which faces the connecting element, and / or individual molecules of the
- Connecting material may have a spatial orientation to each other.
- Molecules of the connecting material with each other mainly arranged parallel to each other.
- "Predominantly” in this context means that the majority of the molecules can be aligned parallel to one another, that is, that at least 50%, preferably more than 80%, particularly preferably more than 90%, for example 95% of the individual molecules of the
- Connecting material can be aligned.
- Joining materials may have areas that have a different orientation with respect to an x, y plane while being in the same direction in the z direction
- the individual molecules of the connecting material can be perpendicular and / or parallel to the surface of the connecting element facing the connecting element
- Substrate be arranged.
- the individual molecules of the bonding material have a predominantly perpendicular orientation to the surface of the substrate.
- Substrate may be present.
- the geometry of the molecules of the connecting material is arbitrary.
- the molecules are, for example, formanisotropic.
- Formanisotropic in this context means that the molecules of the
- Connecting material depending on direction have a different geometric shape or are irregularly shaped.
- Form anisotropic means, for example, that the height, width and depth of the molecule of the connecting material
- the bonding material may be in particulate form.
- the size of the particles is z.
- Nanometer range The shape anisotropy can improve the ansiotropic parameters, for example, increase the thermal conductivity of the connecting element in the direction of the surface of the substrate.
- the connecting element according to the invention which connects at least the substrate and the layer sequence, in one
- Connecting element allows better heat dissipation from the layer sequence.
- the layer sequence can be energized higher. This results in a higher efficiency of the optoelectronic component. The higher one
- the substrate This results in less heating of the layer sequence and its environment.
- the connecting element which is a better Heat removal caused by the layer sequence, a lower shift of the color locus can be achieved and therefore the overall optical properties of the optoelectronic device can be improved. So the light efficiency can be improved.
- the layer sequence may be a semiconductor layer sequence, wherein the in the
- Semiconductor layer sequence occurring semiconductor materials are not limited, provided at least one
- the semiconductor layer sequence may comprise, for example, a single layer comprising compounds of elements selected from indium, gallium, aluminum, nitrogen, phosphorus, arsenic, oxygen, silicon,
- the active region layer sequence may be based, for example, on nitride compound semiconductor materials or InGaAlP compound semiconductor materials.
- a nitride compound semiconductor material preferably comprises or consists of Al n Ga m In n - m N, where 0 ⁇ n ⁇ 1, 0 ⁇ m ⁇ 1 and n + m ⁇ 1.
- this material does not necessarily have a mathematically exact composition according to the above formula. Rather, it may, for example, have one or more dopants and additional constituents.
- the above formula contains only the essential constituents of the crystal lattice (Al, Ga, In, N), even if these can be partially replaced and / or supplemented by small amounts of further substances.
- the semiconductor layer sequence can be used as active region
- a conventional pn junction for example, a conventional pn junction, a
- Double heterostructure a single quantum well structure (SQW structure) or a multiple quantum well structure (MQW structure) have.
- the semiconductor layer sequence may comprise, in addition to the active region, further functional layers and functional regions, for example p-doped or n-doped ones
- Charge carrier transport layers ie electron or
- Such structures include the active region or the further functional layers and
- Electroluminescent layer sequence is Electroluminescent layer sequence.
- the semiconductor chip may be a laser diode, resonant cavity light emitting diode or organic light emitting diode (OLED). According to one embodiment, the semiconductor chip has a
- a carrier comprising a semiconductor material comprising silicon and its compounds, germanium and their compounds, sapphire and / or gallium arsenide.
- the substrate may be according to another
- Ceramic substrate a printed circuit board, an aluminum plate, a copper plate, a plastic injection molding or Stamped Circuit board (SCB), glass or a foil act.
- SBC Stamped Circuit board
- Substrate may comprise Al 2 O 3 , AlN, SiC, Si 3 N 4 or BeO.
- the connecting element has a parameter which is anisotropic with respect to a
- the parameter can be from a group
- Thermal conductivity includes.
- the bonding material has an anisotropic thermal conductivity.
- Thermal conductivity here and below means the ability of at least one substance, for example the
- a predominantly vertical orientation of the molecular longitudinal axis of the molecules of the bonding material causes an anisotropic thermal conductivity in the vertical direction with respect to the surface of the substrate
- Facing connecting element This means that the orientation of the molecules of the connecting material, the thermal conductivity in the direction of the connecting element on and / or facing away from the surface of the substrate is greater than parallel to these surfaces of the substrate.
- Connecting element are transported to the substrate and removed.
- the alignment of the molecules of the Bonding material reduces the heat transfer resistance compared to bonding materials which have an isotropic orientation of the molecules. This leads to a lower heating and a higher light efficiency of the optoelectronic component.
- the "surface of the substrate facing the connection element” is to be understood as meaning that surface which is directly or indirectly in direct mechanical and / or electrical contact with the connection element.
- the term "surface of the substrate facing away from the connecting element” is to be understood as meaning the surface of the substrate which is parallel to the surface of the substrate facing the connecting element.
- Connecting element an anisotropic thermal conductivity, which is in the range of 1 to 37 W / mK.
- a high thermal conductivity of the connecting element according to the invention is based on the oriented molecular configuration of the
- Bonding material By aligning the individual molecules of the connecting material with each other, which may be arranged for example predominantly parallel to each other and / or parallel with respect to the surface of the substrate facing the connecting element, on the one hand, the thermal conductivity in comparison to conventional connecting elements, which only a minor
- Connecting material may be arranged parallel to each other and parallel to the surface of the substrate facing the connecting element.
- the latter can, for example, a Heat dissipation laterally over the connecting element,
- the connecting element has an electrical conductivity.
- the electrical conductivity can be anisotropic.
- the electrical conductivity is particularly increased when the molecules of the connecting material predominantly a parallel orientation with each other and / or perpendicular orientation to the layer sequence or the
- Connecting element facing surface of the substrate have.
- the connecting element can function as an electrical connection to the substrate.
- An additional connection between the semiconductor chip and substrate is not absolutely necessary, so that costs and material can be saved.
- the connecting element has a thermal conductivity.
- a connecting element which is only thermally conductive, represents an improvement for an optoelectronic component with two electrodes.
- connection material transparent.
- Connecting element can pass the electromagnetic radiation emitted by the layer sequence.
- the transparency may also be anisotropic, e.g. maximum in the direction perpendicular to the substrate. Thereby, the electromagnetic radiation can be reflected on the substrate, wherein the
- Polymer as used herein refers to a chemical compound of chains or branched molecules that
- Group comprising polyethylene and polypropylene.
- a "block copolymer” is a copolymer that is linear
- block is meant a portion of a polymeric molecule comprising a plurality of identical repeat monomer units and having at least one constitutional or configurational feature different from that of the adjacent blocks.
- Copolymers are polymers consisting of two or more
- Copolymers in which the blocks of a monomer on a
- Dendrimers are chemical compounds whose structure is branched like a tree starting from a branching nucleus, which is referred to here as dendrimers, if this branching consists of repeating monomer units. This results in a radial symmetry.
- graphene refers to a modification of carbon having a two-dimensional structure in which each carbon atom is surrounded by three others to form a flat honeycomb-shaped structure. The Two-dimensional structure of a first layer can be formed with a two-dimensional structure of a second layer of the graphene, so that by stacking the individual
- Connecting material for example, the polymers, block copolymers, graft polymers, dendrimers, can by means of
- Polymerization methods are, for example, anionic, copolymerization, cationic copolymerization, graft polymerization, ATRP (atom transfer radical polymerization), divergent, cationic polymerization, anionic
- molded connection material has an oriented molecular configuration.
- the matrix material does not have to have anisotropic properties.
- the particles have a size of 1 to 5000 nm, preferably 1 to 200 nm, especially preferably has a size smaller than 100 nm, for example 80 nm.
- the size of the particles makes it possible to maintain the transparency of the connecting element while increasing the thermal conductivity. Transparency can still be set to a specific value.
- the electromagnetic radiation for example that emitted by an optoelectronic component
- Transparency means that there is a transmission of greater than or equal to 70%, in particular greater than or equal to 80%, for example 85% at a corresponding wavelength of the electromagnetic radiation.
- the joining materials described herein such as polymers, block copolymers, graft polymers, are used.
- individual fragments of these compound materials can also be used as particles. Fragments are in this context, for example
- Monomer units which are part of the polymers, block copolymers and / or graft polymers.
- Microx material refers to here and below
- Matrix materials may include silicone, epoxy, and / or hybrid based materials.
- Matrix material has no oriented molecules unlike the bonding material.
- the thermal conductivity of the matrix material is isotropic.
- the matrix material may in particular be a silicone
- the compound material formed as a particle may be embedded in the matrix material.
- the particles can be distributed homogeneously in the matrix material. It is also conceivable that the particles are distributed with a concentration gradient in the matrix material. It is possible to produce by means of a suitably selected particle distribution in the matrix material ansiotropic properties in the matrix. By embedding a particle shaped composite material having an oriented molecular configuration, a partial anisotropic thermal conductivity can be generated in the isotropic matrix material. This causes a directional
- Thermal conductivity in the area of the particles compared to the direction-independent thermal conductivity of the matrix material. This can be a targeted dissipation of the heat generated in the connecting element, for example in the direction
- Substrate and / or housing done.
- Reduction of the proportion of the bonding material in the matrix material may be a desired value for the
- Thermal conductivity can be adjusted and / or the
- Thermal conductivity can be controlled by process technology.
- Connecting element formed as a layer and / or film.
- Molecular configuration may include a homogeneous distribution of the bonding material with an oriented one
- the layer sequence can be energized higher, which leads to a higher efficiency of the optoelectronic component.
- Particles at least equal to the thickness of the layer and / or film of the connecting element. This can help with the
- Crystalstalline means here and below that the compound material is both a close order and a long-range order in the
- Amorphous here and in the following means that the connecting element can have close proximity but no long-range order.
- the proximity of an amorphous bonding material usually corresponds to the structure of the corresponding crystalline bonding material.
- crystalline compound material may be polyethylene glycol (PEO) and / or other polymer blocks, such as
- Poly (tertiary) butyl acrylate include. crystalline
- Bonding material may be selected from a group consisting of polystyrene-b-polyethyleneglycol (PS-b-PEO), polystyrene-b-polybutadiene (PS-b-PBD), polystyrene-b-polybutadiene-b-poly (tertiary butyl acrylate (PS -b-PBD-b-PtBA) or polystyrene-b- Polybutadiene-b-polymethylmethacrylate (PS-b-PBD-b-PMMA) and combinations thereof.
- PS-b-PEO polystyrene-b-polyethyleneglycol
- PS-b-PBD polystyrene-b-polybutadiene
- PS-b-PtBA polystyrene-b-polybutadiene-b-polymethylmethacrylate
- PS-b-PBD-b-PMMA polystyrene-b-polymethylme
- the blocks are linked directly or linked together by a constitutional unit b.
- Dendrimers and combinations thereof can include polyethylene glycol side chains or liquid crystalline side chains in a crystalline compound material.
- liquid crystalline refers to a property of a chemical substance, wherein the chemical substance includes or consists of, for example, monomers, oligomers or polymers.
- the chemical substance can both properties of a crystal, for example the
- the connecting element may comprise a crystalline compound material, wherein the
- Connecting element has a high anisotropic thermal conductivity, which is of the order of greater than or equal to 37 W / mK.
- a high anisotropic thermal conductivity which is of the order of greater than or equal to 37 W / mK.
- Amorphous bonding materials which are inherently isotropic, can be made artificially anisotropic by external action such as pressure, electric fields, exposure to force.
- an inherently isotropic amorphous compound material having an anisotropic thermal conductivity can be provided. It will continue a process for producing a
- Process steps include:
- the bonding element comprises at least one bonding material having an oriented molecular configuration, or wherein the oriented molecular configuration of the bonding material is formed in or after the process step B).
- Embodiments and definition of an optoelectronic component This applies in particular to the embodiments of the layer sequence, the substrate or the
- the oriented molecular configuration of the bonding material is through thermal treatment, application of an electric field, treatment with pressure and / or action of a force generated.
- Method step A) additionally a method step A ') to:
- Connecting material is produced in the connecting element.
- the semiconductor chip may be present in the form of a bare, ie unhoused semiconductor chip, which is also referred to as an LED or "die.”
- the at least one unhoused semiconductor chip may be applied to the semiconductor chip
- Connecting element and substrate for example one
- Pads (pads) of the circuit board are connected (so-called die-bonding). This can be a near
- FIG. 1 schematically shows an optoelectronic component according to an embodiment
- FIG. 2 schematically shows an optoelectronic component according to a further embodiment
- FIG. 3 schematically shows an optoelectronic component according to an embodiment
- FIG. 4 shows a method for producing a
- Figure 5 shows a method for producing a
- FIG. 6 shows a method for producing a
- FIG. 7 shows a method for producing a
- FIG. 1 shows a schematic side view of a
- the optoelectronic component The optoelectronic
- Component has a substrate 10, a connecting element 20, which is disposed over the substrate 10, and a
- the connecting element 20 is thus between the substrate 10 and the layer sequence 30
- the connecting element 20 has a
- the connecting element 20 may be transparent.
- the molecules of the connecting material may be arranged predominantly parallel to one another and / or perpendicular to the surface of the substrate facing and / or facing away from the connecting element. A deviation from this molecular orientation is also possible.
- the connecting element 20 may be formed as a layer and / or film.
- the molecules of the bonding material in the fastener may be oriented or pre-oriented by nature. "Oriented by home” in this context means that the connecting element 20 has oriented molecules without additional treatment, for example by the action of a force, pressure, temperature, etc. Due to the orientation of the molecules of the connecting material 21 is an anisotropic thermal conductivity in the
- connecting element for example, of less than 1 ym
- thin layers for example, with a layer thickness of less than 1 ym
- Randomness in this context refers to the unevenness of the surface height of the connecting element. This leads to a reduction of the thermal resistance of the connecting element and thus to a better dissipation of heat generated.
- the connecting element 20 may selectively connect the substrate 10 and the layer sequence 30 (not shown here).
- “Punctual" means here and in the
- connecting element 20 does not form a homogeneous layer.
- the connecting element 20 may be made
- the active area is electromagnetic for emission
- Nitride compound semiconductor material emits in particular electromagnetic primary radiation in the blue and / or ultraviolet range.
- Figure 2 shows the schematic side view of a
- the structure of the optoelectronic device is analogous to Figure 1, wherein the connecting elements 20 of Figures 1 and 2 differ.
- the connecting element 20 shown in FIG. 2 may be transparent.
- the connecting element 20 of Figure 2 has a connecting material, which in a
- Matrix material 22 is embedded on.
- the matrix material 22 has isotropic properties or parameters.
- Matrix material 22 may be a conventional matrix material, for example a silicone, epoxy or hybrid based
- the bonding material 23 which may be configured as particles, has anisotropic properties or parameters.
- a partial anisotropic parameter for example, a partial anisotropic thermal conductivity
- the connecting element 20 may be a partially oriented layer. As a result, an increased thermal conductivity of the connecting element 20 in the direction of the substrate 10 can be generated in comparison to a connecting element which has only an isotropic matrix material.
- Orientation of the molecules of the bonding material may be analogous to the orientation described in FIG.
- the orientation of the molecules of the connecting material can be generated, for example, by the production method.
- the molecules of the connecting material itself can align.
- the molecules may then have an intermediate position between the parallel and perpendicular orientation with respect to the surface of the surface facing the connector
- Align connecting material itself with a predominantly vertical orientation of the molecules to the surface of the
- Connecting material can be set and controlled.
- the transparency of the connecting element 20 can be maintained despite a high degree of filling of the connecting material in the matrix material 22.
- Figure 3 shows the schematic side view of a
- the optoelectronic component The optoelectronic
- Component has a connecting element 20 between
- the connecting element can be shaped as described in FIG. 1 or 2.
- converter materials may be embedded in a material in the encapsulation 5.
- converter material is arranged directly or indirectly on the housing wall 7 of a housing of an optoelectronic component (not shown here).
- Converter material can be emitted from the layer sequence electromagnetic radiation in an electromagnetic
- FIG. 4 shows a method for producing a connecting element according to the invention.
- a substrate may be provided on which a connector 20 is applied.
- the connector 20 may include an initial interconnect material having isotropic properties or parameters 24.
- a force F for example by means of a punch and / or a block
- the molecules of the connecting material can be oriented 21, producing anisotropic properties or parameters.
- the substrate 10 may be heated.
- a stamp and / or block can over the
- Connecting element 20 are moved at a speed v and a connecting element 20 with a
- connection material with anisotropic parameters.
- the stamp and / or block is first wetted with material, then pressed and moved horizontally.
- Figure 5 shows a method for simultaneous or
- connecting element 20 differs from the figure 4 in that at the same time a plurality of optoelectronic components with at least one connecting element with an unoriented
- These optoelectronic components can be arranged, for example, on a type of conveyor belt or conveyor belt, wherein the conveyor belt or assembly line and the optoelectronic components with a speed v in horizontal
- Optoelectronic components can spatially spaced a stamp and / or block, which a downward and
- This punch and / or block may be mounted at a fixed position above the component, so that it can not move horizontally. Alternatively, it is possible that the
- Stamp moves in horizontal direction.
- the punch and / or block may move horizontally and vertically according to one embodiment.
- Components with the respective connecting elements 20 move at a speed v in the horizontal direction, whereby the molecules of the connecting material are oriented by the downward movement of the punch and / or block.
- the production of the connecting elements 20 thus takes place successively.
- the punch and / or block has a variable position in the horizontal and vertical directions.
- the movably arranged punch and / or block can thus successively orient the molecules of the bonding material by the downward movement of the stamp and / or block.
- both punch and conveyor belt can move.
- the direction of the relative movement between punch and conveyor belt can be in the same horizontal direction or opposite.
- stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As a result, in a short time many stamps and / or blocks can be used. As
- Connecting elements 20 are produced simultaneously. This saves time and costs.
- At least one stamp in each case can be arranged above an optoelectronic component.
- the spatial distance between at least the upper surface of the connecting member and a lower surface of the punch and / or block becomes smaller and smaller until they are in direct contact with each other.
- a force is exerted on the connecting element 20, wherein the unoriented molecules can orient themselves.
- the upward movement 40 of the punch and / or block takes place, wherein the punch and / or block of the connecting element
- FIG. 7 shows a method for producing at least one optoelectronic component.
- the connecting element 20 is formed as an adhesive film or adhesive film and has already from home a compound material with a pre ⁇ oriented molecular configuration 25. "Preoriented" means that the molecules of the connecting material are not yet in their final equilibrium
- step D The so-called “pick and place process” is placed on the substrate with a force (step D), which allows the pre-oriented molecules to orient themselves, or alternatively, an orientation of the molecules of the
- step E Connecting material by increasing and / or decreasing the temperature, for example by heating or cooling of the substrate, or over time done. Subsequently, the application of the layer sequence 30 can take place (step E).
- the steps D and E can take place simultaneously, so that by applying the layer sequence 30 a
- the adhesive film may have a thin layer thickness, preferably a layer thickness of 10 to 50 ⁇ m, for example 30 ⁇ m. Advantage of this thin
- Adhesive films is that no "adhesive fillet" or
- Adhesive fillets are created. This saves at least one further process step for its removal and thus costs.
- Adhesive fillet here refers to the bonding material on the side surface of the optoelectronic component and not below the optoelectronic component.
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Led Device Packages (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/430,735 US9722159B2 (en) | 2012-09-24 | 2013-09-06 | Optoelectronic component with a pre-oriented molecule configuration and method for producing an optoelectronic component with a pre-oriented molecule configuration |
CN201380049613.8A CN104641478B (zh) | 2012-09-24 | 2013-09-06 | 光电子器件和用于制造光电子器件的方法 |
JP2015532365A JP2015530750A (ja) | 2012-09-24 | 2013-09-06 | オプトエレクトロニクス素子およびオプトエレクトロニクス素子の製造方法 |
DE112013004651.2T DE112013004651A5 (de) | 2012-09-24 | 2013-09-06 | Optoelektronisches Bauelement und Verfahren zur Herstellung eines optoelektronischen Bauelements |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012108995.7 | 2012-09-24 | ||
DE102012108995 | 2012-09-24 | ||
DE102013101529.8A DE102013101529A1 (de) | 2012-09-24 | 2013-02-15 | Optoelektronisches Bauelement und Verfahren zur Herstellung eines optoelektronischen Bauelements |
DE102013101529.8 | 2013-02-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014044557A1 true WO2014044557A1 (de) | 2014-03-27 |
Family
ID=50235461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/068483 WO2014044557A1 (de) | 2012-09-24 | 2013-09-06 | Optoelektronisches bauelement und verfahren zur herstellung eines optoelektronischen bauelements |
Country Status (5)
Country | Link |
---|---|
US (1) | US9722159B2 (de) |
JP (1) | JP2015530750A (de) |
CN (1) | CN104641478B (de) |
DE (2) | DE102013101529A1 (de) |
WO (1) | WO2014044557A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3255969B1 (de) * | 2015-06-29 | 2024-07-31 | Huawei Technologies Co., Ltd. | Wärmeleitfolie und elektronische vorrichtung |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014201506A1 (de) * | 2014-01-28 | 2015-07-30 | Osram Gmbh | LED-Modul mit einer LED |
DE102015118245B4 (de) * | 2015-10-26 | 2024-10-10 | Infineon Technologies Austria Ag | Elektronische Komponente mit einem thermischen Schnittstellenmaterial, Herstellungsverfahren für eine elektronische Komponente, Wärmeabfuhrkörper mit einem thermischen Schnittstellenmaterial und thermisches Schnittstellenmaterial |
KR102650654B1 (ko) * | 2016-11-08 | 2024-03-25 | 삼성전자주식회사 | 높은 광전변환 효율과 낮은 암전류를 구현할 수 있는 이미지 센서 |
DE102018132955A1 (de) | 2018-12-19 | 2020-06-25 | Osram Opto Semiconductors Gmbh | Strahlungsemittierendes bauelement |
DE102019100799A1 (de) | 2019-01-14 | 2020-07-16 | Osram Opto Semiconductors Gmbh | Optoelektronisches halbleiterbauelement mit einem schichtstapel mit anisotroper leitfähigkeit und verfahren zur herstellung des optoelektronischen halbleiterbauelements |
DE102019104967A1 (de) * | 2019-02-27 | 2020-08-27 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Strahlungsemittierendes bauelement und verfahren zur herstellung eines strahlunsemittierenden bauelements |
DE102019111962A1 (de) * | 2019-05-08 | 2020-11-12 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Elektronisches Bauelement und Verfahren zur Herstellung eines elektronischen Bauelements |
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2013
- 2013-02-15 DE DE102013101529.8A patent/DE102013101529A1/de not_active Withdrawn
- 2013-09-06 WO PCT/EP2013/068483 patent/WO2014044557A1/de active Application Filing
- 2013-09-06 US US14/430,735 patent/US9722159B2/en not_active Expired - Fee Related
- 2013-09-06 JP JP2015532365A patent/JP2015530750A/ja active Pending
- 2013-09-06 CN CN201380049613.8A patent/CN104641478B/zh not_active Expired - Fee Related
- 2013-09-06 DE DE112013004651.2T patent/DE112013004651A5/de not_active Ceased
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Also Published As
Publication number | Publication date |
---|---|
US9722159B2 (en) | 2017-08-01 |
JP2015530750A (ja) | 2015-10-15 |
CN104641478B (zh) | 2017-08-18 |
DE102013101529A1 (de) | 2014-03-27 |
US20150228874A1 (en) | 2015-08-13 |
CN104641478A (zh) | 2015-05-20 |
DE112013004651A5 (de) | 2015-06-03 |
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