Characteristic Properties of Fluorescent Lamps Operated Using Capacitively Coupled Electrodes

Cho, Tae S.; Kim, Young G.; Ko, Jae Wook; Kang, June G.; Choi, Eun Ha; Cho, Guangsup; Uhm, Han S.

doi:10.1143/jjap.41.7518

Cited by 16 publications

(15 citation statements)

References 1 publication

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“…The solutions of the lamp current I 2 and voltage V 2 are analyzed and compared to the experimental data in the single lamp and the EEFLs-BLU having 20-lamps for 32" LCD-TV. All the parameters relating to the lamps load and transformer are listed in Table. The capacitance C of EEFL has been obtained from the Q-V Lissajous graph [6,7]. In the Fig 2. (a) the capacitance given by Q-V Lissajous graph in a single lamp is about 21.61 pF.…”

Section: Resultsmentioning

confidence: 99%

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P-80: Impedance Matching in the Inverter Circuit of a 32-inch LCD TV with EEFL-BLUs

Jeong

Kim

Shin

et al. 2006

SID Symposium Digest

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Section: Resultsmentioning

confidence: 99%

“…EEFLs and EEFL-BLU have been introduced since 2000 [1][2][3][4][5][6][7][8][9][10]. The application of the arrays of EEFL-lamps to BLUs for 32" LCD-TV has been recognized in Korea industry from 2004.…”

Section: Introductionmentioning

confidence: 99%

P-80: Impedance Matching in the Inverter Circuit of a 32-inch LCD TV with EEFL-BLUs

Jeong

Kim

Shin

et al. 2006

SID Symposium Digest

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“…The fine-tube cold cathode fluorescent lamp (CCFL) [1][2] and external electrode fluorescent lamp (EEFL) [3][4][5][6][7][8][9], have been widely used as a backlight source in liquid crystal display (LCD) modules. In a notebook PC, the glass tube diameter of the lamp is a small as 1 mm.…”

Section: Introductionmentioning

confidence: 99%

Plasma Wave Propagation with Light Emission in a Long Positive Column Discharge

Cho¹,

Verboncoeur²

2010

Wave Propagation in Materials for Modern Applications

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“…Because it has a number of merits, typically including long lifetime, simplicity of manufacture, mass product and low cost. Moreover, direct lighting backlights comprising multiple EEFLs connected in parallel can be driven with a single inverter [1][2][3][4][5][6][7][8][9][10] . Considering these merits of EEFL, LG.…”

Section: Introductionmentioning

confidence: 99%

26.3: High-Performance EEFL Backlight System for Large-Sized LCD-TV

Kim¹,

Kang²,

Yoon³

et al. 2006

SID Symposium Digest

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We suggest the novel EEFL (External Electrode Fluorescent Lamp) Backlight System 3 types; the first aspect is a high optical efficiency second is reduction of mechanical size of Backlight, and the last is low power consumption in large LCD Backlight System. To gain a high optical efficiency, we consider the narrow diameter (φ 3.0) lamp of EEFL Backlight System. As the impedance of the narrow diameter (φ 3.0) lamp is higher than that of conventional (φ 4.0) EEFL. A high impedance of lamp is caused the increase of power consumption and a driving voltage of lamp. But its characteristic of an enhancement luminance could be possible for a high optical efficiency. We introduce a method for decrease of a mechanical size for large Backlight. The length of electrode for EEFL system must be increased as a small diameter and a long length of lamp. For that reason is caused the increase of Bezel Size For LCD TV. In this paper, we suggest a DEFL(Differential Diameter External Electrode Fluorescent Lamp). DEFL is made by junction between φ 4.0mm glass tube of emission part and φ 8.0mm glass tube of electrode part. Finally we explain φ 4.0mm EEFL system for low power consumption in comparison with φ 4.0mm CCFL backlight system.

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Characteristic Properties of Fluorescent Lamps Operated Using Capacitively Coupled Electrodes

Cited by 16 publications

References 1 publication

P-80: Impedance Matching in the Inverter Circuit of a 32-inch LCD TV with EEFL-BLUs

P-80: Impedance Matching in the Inverter Circuit of a 32-inch LCD TV with EEFL-BLUs

Plasma Wave Propagation with Light Emission in a Long Positive Column Discharge

26.3: High-Performance EEFL Backlight System for Large-Sized LCD-TV

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