Invention Grant
- Patent Title: Driver circuit with a semiconductor light source and method for operating a driver circuit
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Application No.: US16044052Application Date: 2018-07-24
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Publication No.: US11246194B2Publication Date: 2022-02-08
- Inventor: Bernd Woelfing , Andreas Hatzenbuehler
- Applicant: SCHOTT AG
- Applicant Address: DE Mainz
- Assignee: SCHOTT AG
- Current Assignee: SCHOTT AG
- Current Assignee Address: DE Mainz
- Agency: Ohlandt, Greeley, Ruggiero & Perle, L.L.P.
- Priority: DE102013113053.4 20131126
- Main IPC: H05B45/12
- IPC: H05B45/12 ; H05B45/325 ; H05B47/11
Abstract:
A driver circuit for a semiconductor light source and to a method for controlling the brightness thereof are provided. When a pulse width modulated semiconductor light source reaches a duty cycle threshold value, the voltage is increased or decreased through a variable voltage source in order to achieve a higher dynamic range.
Public/Granted literature
- US20180332683A1 DRIVER CIRCUIT WITH A SEMICONDUCTOR LIGHT SOURCE AND METHOD FOR OPERATING A DRIVER CIRCUIT Public/Granted day:2018-11-15
Information query
