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公开(公告)号：US11557700B2
公开(公告)日：2023-01-17
申请号：US17206336
申请日：2021-03-19
Applicant: OSRAM OLED GmbH
Inventor： Isabel Otto , Alexander F. Pfeuffer , Britta Göötz , Norwin von Malm
Abstract: An optoelectronic semiconductor component includes a primary light source including a carrier and a semiconductor layer sequence mounted thereon and configured to generate primary light, and at least one conversion unit of at least one semiconductor material adapted to convert the primary light into at least one secondary light, wherein the semiconductor layer sequence and the converter unit are separate elements, the semiconductor layer sequence includes a plurality of pixels, the pixels are configured to be controlled electrically independently of each other, the carrier includes a plurality of control units configured to drive the pixels, all pixels of a first group are free of a conversion unit and are configured to emit the primary light, all pixels of a second group of pixels include exactly one conversion unit each and are configured to emit the at least one secondary light.
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公开(公告)号：US10770506B2
公开(公告)日：2020-09-08
申请号：US15823431
申请日：2017-11-27
Applicant: OSRAM OLED GMBH
Inventor： Norwin Von Malm , Martin Mandl , Alexander F. Pfeuffer , Britta Goeoetz
Abstract: In at least one embodiment, the method is designed for producing a light-emitting diode display (1). The method comprises the following steps: •A) providing a growth substrate (2); •B) applying a buffer layer (4) directly or indirectly onto a substrate surface (20); •C) producing a plurality of separate growth points (45) on or at the buffer layer (4); •D) producing individual radiation-active islands (5), originating from the growth points (45), wherein the islands (5) each comprise an inorganic semiconductor layer sequence (50) with at least one active zone (55) and have a mean diameter, when viewed from above onto the substrate surface (20), between 50 nm and 20 μm inclusive; and •E) connecting the islands (5) to transistors (6) for electrically controlling the islands (5).
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Patent Agency Ranking
公开(公告)号：US10804433B2
公开(公告)日：2020-10-13
申请号：US16256897
申请日：2019-01-24
Applicant: OSRAM OLED GmbH
Inventor： Alexander F. Pfeuffer , Sophia Huppmann , Andrea Winnerl , Jens Müller
Abstract: An optoelectronic device and a method are disclosed. In an embodiment an optoelectronic device includes a semiconductor body having a layer sequence with an active region configured to generate radiation, a first dielectric layer arranged on the layer sequence having a plurality of first areas and a second area, a first contact via in each area of the plurality of first areas for contacting a first side of the active region, a second contact via in the second area for contacting a second side of the active region and a conductive layer comprising a plurality of first regions and a second region surrounding the plurality of first regions and electrically isolated from the plurality of first regions, the conductive layer having a substantially planar surface and being arranged planar onto the plurality of first areas and the second area such that each of the plurality of first regions of the conductive layer is in contact with the first contact via in the respective area of the plurality of first areas and the second region of the conductive layer is in contact with the second contact via of the first dielectric layer.
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公开(公告)号：US12027503B2
公开(公告)日：2024-07-02
申请号：US17271645
申请日：2019-08-09
Applicant: OSRAM OLED GMBH
Inventor： Alexander F. Pfeuffer
IPC: H01L25/075 , H01L33/48 , H01L33/62
CPC classification number: H01L25/0753 , H01L33/486 , H01L33/62 , H01L2224/75 , H01L2224/81191 , H01L2224/95 , H01L2933/0033 , H01L2933/0066
Abstract: A component having a carrier and at least one main body where the main body may include a semiconductor body and the carrier may have a mounting surface for arranging the mounting body thereon. A stopping structure may be arranged on the mounting surface and may project vertically beyond the mounting surface. The main body may be directly adjacent to the stopping structure such that the position of the main body is bounded along at least one lateral direction by the stopping structure.
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公开(公告)号：US11855245B2
公开(公告)日：2023-12-26
申请号：US17275675
申请日：2019-09-12
Applicant: Osram OLED GmbH
Inventor： Korbinian Perzlmaier , Alexander F. Pfeuffer , Kerstin Neveling
CPC classification number: H01L33/62 , H01L33/382
Abstract: An optoelectronic semiconductor element may include an optoelectronic semiconductor chip. The optoelectronic semiconductor chip may include a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a first contact element connected to the first semiconductor layer in an electrically conductive manner, and a second contact element connected to the second semiconductor layer in an electrically conductive manner. The first semiconductor layer and the second semiconductor layer are arranged one above the other to form a layer stack. The first semiconductor layer to where the second semiconductor layer is exposed. The first contact element is arranged over the first semiconductor layer, and the second contact element is arranged over the first semiconductor layer.
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公开(公告)号：US20230120107A1
公开(公告)日：2023-04-20
申请号：US18082440
申请日：2022-12-15
Applicant: OSRAM OLED GmbH
Inventor： Isabel Otto , Alexander F. Pfeuffer , Britta Göötz , Norwin von Malm
Abstract: An optoelectronic semiconductor component includes a primary light source including a carrier and a semiconductor layer sequence mounted thereon and configured to generate primary light, and at least one conversion unit of at least one semiconductor material adapted to convert the primary light into at least one secondary light, wherein the semiconductor layer sequence and the converter unit are separate elements, the semiconductor layer sequence includes a plurality of pixels, the pixels are configured to be controlled electrically independently of each other, the carrier includes a plurality of control units configured to drive the pixels, all pixels of a first group are free of a conversion unit and are configured to emit the primary light, all pixels of a second group of pixels include exactly one conversion unit each and are configured to emit the at least one secondary light.
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公开(公告)号：US20210210661A1
公开(公告)日：2021-07-08
申请号：US17206336
申请日：2021-03-19
Applicant: OSRAM OLED GmbH
Inventor： Isabel Otto , Alexander F. Pfeuffer , Britta Göötz , Norwin von Malm
Abstract: An optoelectronic semiconductor component includes a primary light source including a carrier and a semiconductor layer sequence mounted thereon and configured to generate primary light, and at least one conversion unit of at least one semiconductor material adapted to convert the primary light into at least one secondary light, wherein the semiconductor layer sequence and the converter unit are separate elements, the semiconductor layer sequence includes a plurality of pixels, the pixels are configured to be controlled electrically independently of each other, the carrier includes a plurality of control units configured to drive the pixels, all pixels of a first group are free of a conversion unit and are configured to emit the primary light, all pixels of a second group of pixels include exactly one conversion unit each and are configured to emit the at least one secondary light.
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