A cold-cathode fluorescent lamp driver circuit with synchronousprimary-side dimming control
Mu-Shen Lin
Wen-Jung Ho
Fu-Yuan Shih
Dan Y. Chen
Yan-Pei Wu
Dept. of Electr. Eng., Nat. Taiwan Univ., Taipei ;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Apr 1998
Volume: 45,
Issue: 2
On page(s): 249-255
ISSN: 0278-0046
References Cited: 7
CODEN: ITIED6
INSPEC Accession Number: 5885049
Digital Object Identifier: 10.1109/41.681223
Current Version Published: 2002-08-06
Abstract
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
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