Patents Assigned to OSRAM OLED GmbH
-
Patent number: 11658277Abstract: A method for producing an optoelectronic component and an optoelectronic component are disclosed. In an embodiment a method includes providing a semiconductor chip having an active region for radiation emission, applying a seed layer on the semiconductor chip, wherein the seed layer includes a first metal and a second metal being different from the first metal, and wherein the second metal is less noble than the first metal, applying a structured photoresist layer directly to the seed layer, applying a solder layer at least to regions of the seed layer which are not covered by the photoresist layer and wherein a proportion of the second metal in the seed layer is between 0.5 wt % and 10 wt %.Type: GrantFiled: July 2, 2021Date of Patent: May 23, 2023Assignee: OSRAM OLED GmbHInventors: Guido Weiss, Christoph Schwarzmaier, Dominik Scholz, Nicole Heitzer
-
Patent number: 11644538Abstract: An optical distance measuring device and a method for operating an optical distance measuring device are disclosed. In an embodiment an optical distance measuring device includes a pixelated radiation source with at least two pixels, a radiation detector configured to detect electromagnetic radiation emitted by the radiation source and reflected in measuring regions and a control unit configured to operate the radiation source and to receive electrical signals from the radiation detector, wherein the pixelated radiation source is configured to illuminate different measuring regions with electromagnetic radiation with pairwise different properties.Type: GrantFiled: June 28, 2018Date of Patent: May 9, 2023Assignee: OSRAM OLED GmbHInventors: Michael Schumann, Dominik Schulten, Dominik Scholz
-
Patent number: 11646394Abstract: A radiation-emitting semiconductor body having a semiconductor layer sequence includes an active region that generates radiation, an n-conducting region and a p-conducting region, wherein the active region is located between the n-conducting region and the p-conducting region, the p-conducting region includes a current expansion layer based on a phosphide compound semiconductor material, and the current expansion layer is doped with a first dopant incorporated at phosphorus lattice sites.Type: GrantFiled: March 5, 2018Date of Patent: May 9, 2023Assignee: OSRAM OLED GmbHInventors: Xue Wang, Markus Bröll, Anna Nirschl
-
Patent number: 11639465Abstract: A phosphor is specified. The phosphor has the general molecular formula: (MA)a(MB)b(MC)c(MD)d(TA)e(TB)f(TC)g(TD)h(TE)i(TF)j(XA)k(XB)l(XC)m(XD)n:E. In this case, MA is selected from a group of monovalent metals, MB is selected from a group of divalent metals, MC is selected from a group of trivalent metals, MD is selected from a group of tetravalent metals, TA is selected from a group of monovalent metals, TB is selected from a group of divalent metals, TC is selected from a group of trivalent metals, TD is selected from a group of tetravalent metals, TE is selected from a group of pentavalent elements, TF is selected from a group of hexavalent elements, XA is selected from a group of elements which comprises halogens, XB is selected from a group of elements which comprises O, S and combinations thereof, -E=Eu, Ce, Yb and/or Mn, XC?N and XD=C. The following furthermore hold true: a+b+c+d=t; e+f+g+h+i+j=u; k+l+m+n=v; a+2b+3c+4d+e+2f+3g+4h+5i+6j?k?2l?3m?4n=w; 0.8?t?1; 3.5?u?4; 3.5?v?4; (?0.2)?w?0.2 and 0?m<0.Type: GrantFiled: November 28, 2018Date of Patent: May 2, 2023Assignee: OSRAM OLED GMBHInventors: Markus Seibald, Dominik Baumann, Tim Fiedler, Stefan Lange, Hubert Huppertz, Daniel Dutzler, Thorsten Schroeder, Daniel Bichler, Gudrun Plundrich, Simon Peschke, Gregor Hoerder, Gina Maya Achrainer, Klaus Wurst
-
Patent number: 11631787Abstract: In one embodiment, the optoelectronic semiconductor chip comprises a semiconductor layer sequence with an active zone for generating a radiation. The semiconductor layer sequence is based on AlInGaP and/or on AlInGaAs. A metal mirror for the radiation is located on a rear side of the semiconductor layer sequence opposite a light extraction side. A protective metallization is applied directly to a side of the metal mirror facing away from the semiconductor layer sequence. An adhesion promoting layer is located directly on a side of the metal mirror facing the semiconductor layer sequence. The adhesion promoting layer is an encapsulation layer for the metal mirror, so that the metal mirror is encapsulated at least at one outer edge by the adhesion promoting layer together with the protective metallization.Type: GrantFiled: March 14, 2019Date of Patent: April 18, 2023Assignee: OSRAM OLED GMBHInventors: Sebastian Pickel, Johannes Saric, Wolfgang Schmid, Anna Strozecka-Assig, Johannes Baur
-
Patent number: 11631783Abstract: In an embodiment a radiation-emitting semiconductor chip includes a semiconductor body having an active region configured to generate radiation, a first contact layer having a first contact area for external electrical contacting the radiation-emitting semiconductor chip and a first contact finger structure connected to the first contact area, a second contact layer having a second contact area for external electrical contacting the radiation-emitting semiconductor chip and a second contact finger structure connected to the second contact area, wherein the first contact finger structure and the second contact finger structure overlap in places in plan view of the radiation-emitting semiconductor chip, a current distribution layer electrically conductively connected to the first contact layer, a connection layer electrically conductively connected to the first contact layer via the current distribution layer and an insulation layer containing a dielectric material, wherein the insulation layer is arranged in pType: GrantFiled: September 21, 2021Date of Patent: April 18, 2023Assignee: OSRAM OLED GMBHInventors: Fabian Kopp, Attila Molnar, Bjoern Muermann, Franz Eberhard
-
Patent number: 11626707Abstract: In an embodiment a semiconductor laser diode includes a semiconductor layer sequence comprising an active layer having a main extension plane, the semiconductor layer sequence configured to generate light in an active region and radiate the light via a light-outcoupling surface, wherein the active region extends from a rear surface opposite the light-outcoupling surface to the light-outcoupling surface along a longitudinal direction in the main extension plane and a continuous contact structure directly disposed on a surface of the semiconductor layer sequence, wherein the contact structure comprises in at least a first contact region a first electrical contact material in direct contact with the surface region and in at least a second contact region a second electrical contact material in direct contact with the surface region, wherein the first and second contact regions adjoin one another.Type: GrantFiled: March 5, 2021Date of Patent: April 11, 2023Assignee: OSRAM OLED GMBHInventors: Sven Gerhard, Christoph Eichler, Alfred Lell, Bernhard Stojetz
-
Patent number: 11626531Abstract: A semiconductor body and a method for producing a semiconductor body are disclosed. In an embodiment a semiconductor body includes a p-conducting region, wherein the p-conducting region has at least one barrier zone and a contact zone, wherein the barrier zone has a first magnesium concentration and a first aluminum concentration, wherein the contact zone has a second magnesium concentration and a second aluminum concentration, wherein the first aluminum concentration is greater than the second aluminum concentration, wherein the first magnesium concentration is at least ten times less than the second magnesium concentration, wherein the contact zone forms an outwardly exposed surface of the semiconductor body, and wherein the barrier zone adjoins the contact zone, and wherein the semiconductor body is based on a nitride compound semiconductor material.Type: GrantFiled: August 24, 2018Date of Patent: April 11, 2023Assignee: OSRAM OLED GMBHInventors: Massimo Drago, Alexander Frey, Joachim Hertkorn, Ingrid Koslow
-
Patent number: 11621255Abstract: An optoelectronic component and an assembly with an optoectronic component are disclosed. In an embodiment an optoelectronic component includes an optical element with an outer surface and an inner surface that faces away from the outer surface, wherein the inner surface includes a first region of the optical element, in which the inner surface is flat, wherein the inner surface includes a second region of the optical element, wherein the second region adjoins the first region, and wherein the inner surface includes a third region of the optical element, in which the inner surface extends from the second region in the direction of a housing.Type: GrantFiled: April 25, 2018Date of Patent: April 4, 2023Assignee: OSRAM OLED GMBHInventors: Claus Jaeger, Stephan Haslbeck
-
Patent number: 11621378Abstract: An optoelectronic component includes an optoelectronic semiconductor chip that, during intended operation, generates primary radiation coupled out of the semiconductor chip via an emission side of the semiconductor chip; and a first conversion element on the emission side, wherein the first conversion element includes a first matrix material and first phosphor particles in the form of quantum dots, the first phosphor particles are distributed and embedded in the first matrix material, and the first matrix material is formed by a polysiloxane in which an atomic percentage of carbon is smaller than an atomic percentage of oxygen.Type: GrantFiled: March 18, 2019Date of Patent: April 4, 2023Assignee: OSRAM OLED GmbHInventors: Dajana Durach, Kathy Schmidtke
-
Patent number: 11621373Abstract: The invention relates to an optoelectronic device (100) comprising a semiconductor layer sequence (1) on a carrier (7), the semiconductor layer sequence (1) comprising at least one n-doped semiconductor layer (11), at least one p-doped semiconductor layer (12) and an active layer (13) sandwiched between the p- and n-doped semiconductor layers (11, 12), an reconnecting contact (2), which is configured for electrically contacting the n-doped semiconductor layer (11), a p-connecting contact (3), which is configured for electrically contacting the p-doped semiconductor layer (12), the n-connecting contact (2) being arranged on the side of the semiconductor layer sequence (1) facing away from the carrier (7), the n-connecting contact (2) having a first side (4) which is arranged facing the semiconductor layer sequence (1), wherein the first side (4) has two outer regions (43) and an inner region (44), viewed in lateral cross-section, which is delimited by the outer regions (43), wherein the outer regions (43) of tType: GrantFiled: June 29, 2018Date of Patent: April 4, 2023Assignee: OSRAM OLED GMBHInventor: Guido Weiss
-
Patent number: 11616164Abstract: A method for producing a nitride compound semiconductor component is disclosed. In an embodiment the method includes providing a growth substrate, growing a nucleation layer of an aluminum-containing nitride compound semiconductor onto the growth substrate, growing a tension layer structure for generating a compressive stress, wherein the tension layer structure comprises at least a first GaN semiconductor layer and a second GaN semiconductor layer, and wherein an Al(Ga)N interlayer for generating the compressive stress is disposed between the first GaN semiconductor layer and the second GaN semiconductor layer and growing a functional semiconductor layer sequence of the nitride compound semiconductor component onto the tension layer structure, wherein a growth of the second GaN semiconductor layer is preceded by a growth of a first 3D AlGaN layer on the Al(Ga)N interlayer in such a way that it has nonplanar structures.Type: GrantFiled: January 17, 2019Date of Patent: March 28, 2023Assignee: OSRAM OLED GMBHInventors: Philipp Drechsel, Werner Bergbauer, Thomas Lehnhardt, Jürgen Off, Joachim Hertkorn
-
Patent number: 11616175Abstract: The invention relates to a luminophore mixture which comprises at least one quantum dot luminophore and at least one functional material, the functional material is formed such that it scatters electromagnetic radiation and/or has a high density.Type: GrantFiled: December 10, 2018Date of Patent: March 28, 2023Assignee: Osram OLED GmbHInventors: Ralph Bertram, Ivar Tangring, Philipp Pust
-
Patent number: 11614215Abstract: A lighting device includes a pixel array of light-emitting pixels arranged next to one another. The pixel array includes light-emitting pixels with different pixel shapes.Type: GrantFiled: August 2, 2019Date of Patent: March 28, 2023Assignee: OSRAM OLED GMBHInventors: Robert Regensburger, Stefan Groetsch, Ulrich Frei, Peter Brick
-
Patent number: 11616178Abstract: A method for producing a plurality of radiation emitting semiconductor devices and a radiation emitting semiconductor device are disclosed. In an embodiment a method include providing an auxiliary carrier, applying a plurality of radiation-emitting semiconductor chips to the auxiliary carrier with front sides so that rear sides of the semiconductor chips are freely accessible, wherein each rear side of the respective semiconductor chip has at least one electrical contact, applying spacers to the auxiliary carrier so that the spacers directly adjoin side surfaces of the semiconductor chips and applying a casting compound between the semiconductor chips by a screen printing process such that a semiconductor chip assembly is formed, wherein a screen for the screen printing process has a plurality of cover elements, and wherein each cover element covers at least one electrical contact.Type: GrantFiled: March 21, 2018Date of Patent: March 28, 2023Assignee: OSRAM OLED GMBHInventors: Ivar Tangring, Thomas Schlereth
-
Patent number: 11607158Abstract: A sensor may include a light source, a light detector, and a housing. The housing may have a first upper side and extend from the first upper side, a first cavity and a second cavity. The light detector is arranged in the first cavity. The light source is arranged in the second cavity. A strut may be arranged between the first cavity and the second cavity and is made from a material that absorbs or reflects light. A first cover may be mounted above the first cavity and comprises a deflection region and a plane of incidence. The deflection region is designed such that 80% of the light which is incident in the deflection region on the plane of incidence of the first cover from a predetermined direction and which is incident on the light detector, is directed away from the light detector based on an optical element.Type: GrantFiled: May 22, 2018Date of Patent: March 21, 2023Assignee: OSRAM OLED GMBHInventor: Simon Schwalenberg
-
Patent number: 11611019Abstract: An optoelectronic component may include a semiconductor chip configured to emit radiation and a reflection element disposed in the beam path of the semiconductor chip where the reflection element is configured to reflect radiation. The reflection element may include a matrix material having diffuser particles and filler particles embedded therein. The diffuser particles are different from the filler particles. The filler particles may include a matrix having scatter particles embedded therein and/or a ceramic comprising the scatter particles in sintered form.Type: GrantFiled: July 20, 2018Date of Patent: March 21, 2023Assignee: Osram OLED GmbHInventor: Ivar Tångring
-
Patent number: 11611022Abstract: An optoelectronic component may include a radiation-emitting semiconductor chip configured to emit electromagnetic radiation and a phosphor mixture. The excitation spectrum may have a peak wavelength ranging from 435 nm to 460 nm. The phosphor mixture may have three phosphors configured to emit electromagnetic radiation in different spectral ranges.Type: GrantFiled: September 25, 2018Date of Patent: March 21, 2023Assignee: Osram OLED GmbHInventors: Ralph Peter Bertram, David O'Brien, Rainer Butendeich
-
Patent number: 11605667Abstract: A component may include a semiconductor body and a converter layer. The converter layer may have phosphor particles and an electrically conductive matrix material where the phosphor particles are embedded in the matrix material. The converter layer may be arranged on the semiconductor body and may have a plurality of sublayers that are spatially set apart from one another and can be electrically contacted individually. The semiconductor body may have an active zone for producing electromagnetic radiation where the sublayers of the converter layer are designed for local electrical contacting of the active zone.Type: GrantFiled: February 26, 2019Date of Patent: March 14, 2023Assignee: OSRAM OLED GmbHInventors: Vesna Mueller, David O'Brien
-
Patent number: 11603031Abstract: In one embodiment, an apparatus may include a light source. The apparatus also includes a measuring laser, such as a semiconductor laser. The measuring laser is configured to generate pulses with a maximum pulse duration of 10 ns. A wavelength of maximum intensity of the measuring laser radiation generated by the measuring laser ranges from 400 nm to 485 nm inclusive. The measuring laser radiation is used for distance measurement by means of LIDAR, for example in a car headlight.Type: GrantFiled: June 6, 2019Date of Patent: March 14, 2023Assignee: OSRAM OLED GMBHInventors: Joerg Erich Sorg, Hubert Halbritter, Georg Bogner