Title :
A Proper Impedance Model of CCFL(Cold Cathode Fluorescent Lamp) Applied to the Display Unit
Author :
Cherl-Jin, Kim ; Byeong-Kyu, Yoo ; Shin-Yong, Yoon ; Soo-Hyun, Baek
Author_Institution :
Dept. of Electr. Eng., Halla Univ., Kangwondo
Abstract :
The cold cathode fluorescent lamp (CCFL) are used to illuminate the liquid crystal display (LCD). Ballasts are required for CCFL because the lamp need high starting voltage and behave negative dynamic resistant characteristics in the desired region of operation. In this paper, the lamp impedance model is proposed, and this model is established from some equations and measured electrical characteristics of CCFL. The validity of proposed lamp model is verified from the simulation and experimental results
Keywords :
electric impedance; fluorescent lamps; lamp accessories; liquid crystal displays; LCD; cold cathode fluorescent lamp; dynamic resistant characteristics; electrical characteristics; electronic ballast; lamp impedance model; liquid crystal display; Cathodes; Electric variables; Electric variables measurement; Electronic ballasts; Equations; Fluorescent lamps; Impedance measurement; Liquid crystal displays; Resistance; Voltage;
Conference_Titel :
Electrical Machines and Systems, 2005. ICEMS 2005. Proceedings of the Eighth International Conference on
Conference_Location :
Nanjing
Print_ISBN :
7-5062-7407-8
DOI :
10.1109/ICEMS.2005.202790
