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公开(公告)号:US11552449B2
公开(公告)日:2023-01-10
申请号:US17331715
申请日:2021-05-27
Applicant: OSRAM OLED GmbH
Inventor: Andreas Fröhlich , Hubert Halbritter , Josip Maric
IPC: H01S3/00 , H01S5/026 , H01S5/042 , H01S5/068 , H01S5/02345 , H01S5/0236 , H01S5/062 , H01S5/0237
Abstract: A semiconductor radiation source includes at least one semiconductor chip that generates radiation; and at least one capacitor body, wherein the semiconductor chip and the capacitor body are stacked on top of each other, the semiconductor chip directly electrically connects in a planar manner to the capacitor body, the semiconductor chip is a ridge waveguide laser, and a ridge waveguide of the semiconductor chip is arranged on a side of the semiconductor chip facing away from the capacitor body.
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公开(公告)号:US20210288464A1
公开(公告)日:2021-09-16
申请号:US17331715
申请日:2021-05-27
Applicant: OSRAM OLED GmbH
Inventor: Andreas Fröhlich , Hubert Halbritter , Josip Maric
IPC: H01S5/026 , H01S5/042 , H01S5/068 , H01S5/02345 , H01S5/0236 , H01S5/062 , H01S5/0237
Abstract: A semiconductor radiation source includes at least one semiconductor chip that generates radiation; and at least one capacitor body, wherein the semiconductor chip and the capacitor body are stacked on top of each other, the semiconductor chip directly electrically connects in a planar manner to the capacitor body, the semiconductor chip is a ridge waveguide laser, and a ridge waveguide of the semiconductor chip is arranged on a side of the semiconductor chip facing away from the capacitor body.
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公开(公告)号:US10785841B2
公开(公告)日:2020-09-22
申请号:US16328794
申请日:2017-08-30
Applicant: OSRAM OLED GmbH
Inventor: Andreas Wojcik , Hubert Halbritter , Josip Maric
Abstract: A driver circuit for at least one light-emitting optoelectronic component includes a control circuit having a capacitor and a control switch, wherein the control switch electrically connects to the component such that the component is supplied with current by the capacitor as a function of a switching state of the control switch, and a charging circuit having at least a first charging switch, a bias resistor and a buffer capacitor, wherein the charging circuit electrically connects to the capacitor and is configured to charge the capacitor through the bias resistor, and the buffer capacitor is linked to a connecting line between the bias resistor and the capacitor.
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