公开(公告)号：US11757081B2

公开(公告)日：2023-09-12

申请号：US17668816

申请日：2022-02-10

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Heinz Lang ,  Georg Rosenbauer

IPC: F21K9/278 ,  H01L33/62 ,  F21V29/503 ,  F21V23/00 ,  F21V19/00 ,  H01L25/075 ,  F21K9/27 ,  H01L21/48 ,  F21Y115/10 ,  H01L33/64 ,  F21Y103/10 ,  F21V23/06 ,  H05K3/20 ,  F21K9/90 ,  F21K9/232

CPC classification number: H01L33/62 ,  F21K9/27 ,  F21K9/278 ,  F21V19/005 ,  F21V23/006 ,  F21V29/503 ,  H01L21/4828 ,  H01L21/4842 ,  H01L25/0753 ,  F21K9/232 ,  F21K9/90 ,  F21V23/005 ,  F21V23/06 ,  F21Y2103/10 ,  F21Y2115/10 ,  H01L33/647 ,  H01L2933/0066 ,  H05K3/202

Abstract: A light fixture has a translucent tubular bulb. At least one end cap is located at one end of the translucent tubular bulb. A light engine is disposed in the translucent tubular bulb. The light engine has a leadframe on which a plurality of semiconductor light elements is arranged. The fixture may include an electronic driver. The electronic driver includes a plurality of electronic components. At least one of the plurality of electronic components is arranged inside the transparent tubular bulb.

公开(公告)号：US20190017659A1

公开(公告)日：2019-01-17

申请号：US16034674

申请日：2018-07-13

Applicant: LEDVANCE GmbH

Inventor： Christian Dendorfer ,  Thomas Heil ,  Heinz Lang ,  Bernhard Rieder ,  Georg Rosenbauer

IPC: F21K9/238 ,  F21K9/64 ,  F21K9/232 ,  F21V3/02 ,  F21V23/00 ,  H01L33/50

CPC classification number: F21K9/238 ,  F21K9/232 ,  F21K9/64 ,  F21V3/02 ,  F21V23/005 ,  F21V23/006 ,  F21Y2107/00 ,  F21Y2115/10 ,  H01L25/0753 ,  H01L33/504

Abstract: An LED light fixture includes a glass bulb. In the interior of the glass bulb is a driver module and a plurality of lighting elements. The glass bulb completely surrounds the lighting elements radially. The lighting elements are arranged radially around the driver module. The lighting elements may be LED filaments or individual light-emitting diode chips.

公开(公告)号：US11655972B2

公开(公告)日：2023-05-23

申请号：US16129174

申请日：2018-09-12

Applicant: LEDVANCE GmbH

Inventor： Ran Lin ,  Bernhard Rieder ,  Shaozhu Yang

IPC: F21K9/237 ,  F21K9/232 ,  F21K9/235 ,  F21V29/10 ,  F21V29/506 ,  F21Y115/10 ,  F21Y103/10 ,  F21Y107/00 ,  F21Y107/70

CPC classification number: F21V29/10 ,  F21K9/232 ,  F21K9/235 ,  F21K9/237 ,  F21V29/506 ,  F21Y2103/10 ,  F21Y2107/00 ,  F21Y2107/70 ,  F21Y2115/10

Abstract: An LED illumination device corresponds to a compact fluorescent lamp and has improved thermal properties. The illumination device includes a transparent tube having an inner wall defining a cavity, a light engine having one or more light emitting diodes, and a driver to drive the light engine. The light engine is disposed at the inner wall of the transparent tube. The arrangement of the light engine and the one or more light emitting diodes at the inner wall of the tube provides improved lighting characteristics. Simultaneously, an improved cooling is provided by the interface surface for conducting heat between the inner wall and the light engine.

公开(公告)号：US11251349B2

公开(公告)日：2022-02-15

申请号：US16232281

申请日：2018-12-26

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Heinz Lang ,  Georg Rosenbauer

IPC: H01L33/62 ,  F21K9/278 ,  F21V29/503 ,  F21V23/00 ,  F21V19/00 ,  H01L25/075 ,  F21K9/27 ,  H01L21/48 ,  F21Y115/10 ,  H01L33/64 ,  F21Y103/10 ,  F21V23/06 ,  H05K3/20 ,  F21K9/90 ,  F21K9/232

Abstract: A light fixture has a translucent tubular bulb. At least one end cap is located at one end of the translucent tubular bulb. A light engine is disposed in the translucent tubular bulb. The light engine has a leadframe on which a plurality of semiconductor light elements is arranged. The fixture may include an electronic driver. The electronic driver includes a plurality of electronic components. At least one of the plurality of electronic components is arranged inside the transparent tubular bulb.

公开(公告)号：US10823346B2

公开(公告)日：2020-11-03

申请号：US16387709

申请日：2019-04-18

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder

IPC: F21S4/20 ,  H01L33/50 ,  F21V23/00 ,  H01L33/52

Abstract: A light emitting diode (LED) module is disclosed having an elongated flat support with a first long end, a second long end opposite the first long end, and electrically conductive regions. The disclosed LED module includes at least one LED mounted on the flat support as well as an electronic driver with at least one electronic driver component mounted on the flat support for driving the at least one LED. The electrically conductive regions have a first pair of contact points on one of the two long ends for connection of the LED module to a current source and a second pair of contact points on one of the two long ends for connection of a smoothing capacitor on the LED module.

公开(公告)号：US10288231B2

公开(公告)日：2019-05-14

申请号：US15973922

申请日：2018-05-08

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Christoph Strauß ,  Florian Wagner ,  Xiongqiang He

IPC: H01J1/62 ,  F21K9/278 ,  H05K1/18 ,  H05K1/02 ,  H05B33/08 ,  F21K9/27 ,  F21Y103/10 ,  F21Y115/10

Abstract: A light engine for a tube lamp has a substrate defining a longitudinal direction, having at least three conductive traces extending in the longitudinal direction. At least two of the conductive traces are divided into a plurality of trace sections. The light engine further includes a plurality of semiconductor light emitting elements, each light emitting element having two electric terminals and being arranged perpendicular to the longitudinal direction and electrically connected with a first electric terminal to one of the conductive traces and with a second electric terminal to another one of the conductive traces.

公开(公告)号：US20180328544A1

公开(公告)日：2018-11-15

申请号：US15974760

申请日：2018-05-09

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Georg Rosenbauer

IPC: F21K9/232 ,  F21K9/68 ,  F21K9/238 ,  F21V23/00 ,  F21V23/06 ,  F21V3/04 ,  F21V3/06 ,  F21V3/02

Abstract: An LED light fixture, includes a bulb, a light module with at least one light emitting diode chip which is mounted on a circuit board by means of chip-on-board assembly, and a driver of the light module, wherein the light module and the driver electronics are received in the bulb. The LED light fixture may be arranged within an enclosure to form an LED lamp.

公开(公告)号：US11209130B2

公开(公告)日：2021-12-28

申请号：US16654593

申请日：2019-10-16

Applicant: LEDVANCE GmbH

Inventor： Georg Rosenbauer ,  Bernhard Rieder ,  Henrike Streppel ,  Andreas Hammer ,  Georg Scheipl ,  Klaus Eckert

IPC: F21K9/275 ,  F21V15/01 ,  F21V19/00 ,  F21K9/90 ,  F21K9/278 ,  H01K5/02 ,  F21Y103/10 ,  F21Y115/10 ,  F21K9/20

Abstract: A method for producing a tube lamp uses at least one leadframe. A leadframe is a flat structure which has two opposing surfaces extending substantially parallel and spaced apart by the sheet thickness. One or more stabilizing sections are applied to the leadframe. The leadframe is fastened with the stabilizing sections in a tubular housing of the tube lamp.

公开(公告)号：US10823338B2

公开(公告)日：2020-11-03

申请号：US15974760

申请日：2018-05-09

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Georg Rosenbauer

IPC: F21K9/232 ,  F21V3/06 ,  F21K9/238 ,  F21V29/506 ,  F21V19/00 ,  F21K9/68 ,  F21V3/02 ,  F21V3/04 ,  F21V23/00 ,  F21V23/06 ,  F21Y115/10

Abstract: An LED light fixture, includes a bulb, a light module with at least one light emitting diode chip which is mounted on a circuit board by means of chip-on-board assembly, and a driver of the light module, wherein the light module and the driver electronics are received in the bulb. The LED light fixture may be arranged within an enclosure to form an LED lamp.

公开(公告)号：US10738949B2

公开(公告)日：2020-08-11

申请号：US15765372

申请日：2016-09-30

Applicant: LEDVANCE GmbH

Inventor： Bernhard Rieder ,  Shaozhu Yang

IPC: F21K9/27 ,  F21K9/275 ,  F21K9/90 ,  F21V19/00 ,  F21V29/89 ,  F21V29/70 ,  F21Y103/10 ,  F21Y115/10

Abstract: A tubular semiconductor lamp having an elongate heat sink formed from sheet metal, at least one strip-shaped circuit board, which is equipped with at least one semiconductor light source and which lies on the heat sink, and a light-transmissive bulb made of plastic, which arches over the equipped circuit board, wherein the circuit board is held in a longitudinally movable manner by the heat sink. A method for producing a tubular semiconductor lamp, which can be applied, for example, to replacement lamps for straight-line fluorescent lamps or linear lamps, of type T5 or T8.