A novel dimming technique for cold cathode fluorescent lamp

K. I. Hwu; Y. H. Chen

doi:10.1109/TIA.2010.2071050

A novel dimming technique for cold cathode fluorescent lamp

K. I. Hwu
, Y. H. Chen

Department of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

In this paper, a simple dimming control is presented and applied to a cold cathode fluorescent lamp (CCFL). Traditionally, the digital dimming takes back-and-fro start and cutoff of the CCFL, thereby causing current spike and hence reducing the life of the CCFL. Consequently, to overcome these problems, a dimming strategy is presented according to the frequency shift. Moreover, a full-bridge phase-shift resonant inverter is utilized to power the CCFL. Some experimental results are provided to demonstrate the effectiveness of the proposed scheme.

Original language	English
Article number	5560795
Pages (from-to)	2196-2201
Number of pages	6
Journal	IEEE Transactions on Industry Applications
Volume	46
Issue number	6
DOIs	https://doi.org/10.1109/TIA.2010.2071050
State	Published - Nov 2010

Keywords

Cold cathode fluorescent lamp (CCFL)
dimming
frequency shift

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10.1109/TIA.2010.2071050

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AB - In this paper, a simple dimming control is presented and applied to a cold cathode fluorescent lamp (CCFL). Traditionally, the digital dimming takes back-and-fro start and cutoff of the CCFL, thereby causing current spike and hence reducing the life of the CCFL. Consequently, to overcome these problems, a dimming strategy is presented according to the frequency shift. Moreover, a full-bridge phase-shift resonant inverter is utilized to power the CCFL. Some experimental results are provided to demonstrate the effectiveness of the proposed scheme.

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KW - dimming

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A novel dimming technique for cold cathode fluorescent lamp

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Keywords

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