Invention Grant
- Patent Title: Actuating a plurality of series-connected luminous elements
- Patent Title (中): 驱动多个串联连接的发光元件
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Application No.: US13985033Application Date: 2012-01-26
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Publication No.: US09210772B2Publication Date: 2015-12-08
- Inventor: Hubert Maiwald
- Applicant: Hubert Maiwald
- Applicant Address: DE Munich
- Assignee: OSRAM GmbH
- Current Assignee: OSRAM GmbH
- Current Assignee Address: DE Munich
- Agent Cozen O'Connor
- Priority: DE102011003931 20110210
- International Application: PCT/EP2012/051183 WO 20120126
- International Announcement: WO2012/107293 WO 20120816
- Main IPC: H05B37/00
- IPC: H05B37/00 ; H05B37/02 ; H05B33/08

Abstract:
A circuit for actuating a plurality of light-emitting means which are connected in series, comprising a plurality of electronic switches, which can be actuated depending on a rectified system voltage. The plurality of electronic switches are arranged in parallel with at least some of the light-emitting means, wherein each of the plurality of electronic switches short-circuits on activation of at least one of the light-emitting means connected in series. At least one energy store is connected in parallel with a first group of light-emitting means during a charge phase by virtue of the electronic switches, and it is connected in parallel with a second group of light-emitting means during a discharge phase by virtue of the electronic switches.
Public/Granted literature
- US20130313984A1 Actuating a Plurality of Series-Connected Luminous Elements Public/Granted day:2013-11-28
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