公开(公告)号：US11373985B2

公开(公告)日：2022-06-28

申请号：US16498316

申请日：2018-03-20

Applicant: OSRAM Opto Semiconductors GmbH

Inventor： Horst Varga ,  Elmar Baur ,  Alexander Wilm

IPC: H01L25/075 ,  F21S4/28 ,  H05B45/345 ,  H05B45/48 ,  H05B45/375 ,  H05B45/395 ,  F21Y105/18 ,  F21Y115/10

Abstract: A lighting device and a lighting system are disclosed. In an embodiment, a lighting device includes at least one optoelectronic semiconductor chip, two contacts configured to couple the lighting device to a DC voltage and a driver circuit interconnected in series with the at least one semiconductor chip in a string, wherein the driver circuit comprises a monolithic, unhoused controller, wherein the driver circuit is configured to adjust a current for operating the at least one semiconductor chip, and wherein the string extends between the two contacts in an electrically coupling way.

公开(公告)号：US20200214105A1

公开(公告)日：2020-07-02

申请号：US16498316

申请日：2018-03-20

Applicant: OSRAM Opto Semiconductors GmbH

Inventor： Horst Varga ,  Elmar Baur ,  Alexander Wilm

IPC: H05B45/345 ,  H05B45/48 ,  F21S4/28

Abstract: A lighting device and a lighting system are disclosed. In an embodiment, a lighting device includes at least one optoelectronic semiconductor chip, two contacts configured to couple the lighting device to a DC voltage and a driver circuit interconnected in series with the at least one semiconductor chip in a string, wherein the driver circuit comprises a monolithic, unhoused controller, wherein the driver circuit is configured to adjust a current for operating the at least one semiconductor chip, and wherein the string extends between the two contacts in an electrically coupling way.