A cold-cathode fluorescent lamp driver circuit with synchronous primary-side dimming control

A novel synchronous primary-side dimming control scheme is proposed and tested for a cold-cathode fluorescent lamp (CCFL) driver circuit for liquid crystal display (LCD) backlight illumination display applications. This new control scheme features high efficiency, even-dimming sensitive adjustment,...

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Bibliographic Details
Published inIEEE transactions on industrial electronics (1982) Vol. 45; no. 2; pp. 249 - 255
Main Authors LIN, M.-S, HO, W.-J, SHIH, F.-Y, CHEN, D. Y, WU, Y.-P
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.04.1998
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Brightness
Circuit testing
Control systems
Driver circuits
Electrical engineering. Electrical power engineering
Exact sciences and technology
Fluorescent lamps
Inductance
Lighting
Liquid crystal displays
Power electronics, power supplies
Pulse width modulation inverters
Voltage fluctuations
Inverter
Parallel resonance
Synchronous
Field emitter
Control circuit
Push pull connection
Dimmer
High efficiency
Fluorescent lamp
Pulse duration modulation
Liquid crystals
Display
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Summary:A novel synchronous primary-side dimming control scheme is proposed and tested for a cold-cathode fluorescent lamp (CCFL) driver circuit for liquid crystal display (LCD) backlight illumination display applications. This new control scheme features high efficiency, even-dimming sensitive adjustment, even-brightness control for a two-lamp system, less lamp flickering problems, stable feedback control and simplicity. An analysis of the circuit is given, from which a design example is presented.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0278-0046
1557-9948
DOI:10.1109/41.681223