Invention Grant
- Patent Title: Driver arrangement with division circuit
- Patent Title (中): 驱动器配置与分频电路
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Application No.: US12995490Application Date: 2009-06-09
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Publication No.: US08866415B2Publication Date: 2014-10-21
- Inventor: Matthias Wendt , Harald Josef Gunther Radermacher
- Applicant: Matthias Wendt , Harald Josef Gunther Radermacher
- Applicant Address: NL Eindhoven
- Assignee: Koninklijke Philips N.V.
- Current Assignee: Koninklijke Philips N.V.
- Current Assignee Address: NL Eindhoven
- Agent Yuliya Mathis
- Priority: EP08104462 20080618
- International Application: PCT/IB2009/052432 WO 20090609
- International Announcement: WO2009/153698 WO 20091223
- Main IPC: H05B37/00
- IPC: H05B37/00 ; H05B33/08

Abstract:
Driver arrangements (1) comprise division circuits (100) with division inputs (101-102) for receiving input signals and division outputs (111-118) for supplying output signals to light sources (301-308). The division circuits (100) convert respective first and second input signals of a plurality of input signals into respective first and second parts of a further plurality of output signals. The driver arrangements (1) further comprise driver circuits (200) for driving the light sources (301-308) via the division circuits (100). The driver circuits (200) have driver outputs (201-202) for supplying the input signals to the division inputs (101-102). Such driver arrangements (1) no longer require a switch per light source (301-308). The plurality is preferably equal to or larger than two and smaller than the further plurality, and at least some of the first and the second parts are mutually different in size, amplitude or absolute value. The driver circuits (200) comprise controllable couplers (221-222) or controllable sources (211-212).
Public/Granted literature
- US20110074315A1 DRIVER ARRANGEMENT WITH DIVISION CIRCUIT Public/Granted day:2011-03-31
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