Mercury-free 18-in. flat fluorescent lamp with good uniformity

  • M. G. Kwak
  • , J. I. Han
  • , W. K. Kim
  • , S. K. Park
  • , S. J. Hong
  • , Y. H. Kim
  • , J. Y. Choi
  • , K. S. Jeong
  • , S. H. Sohn

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We have developed an 18-in. 287 × 359-mm flat fluorescent lamp (FFL) that uses a xenon dielectric barrier discharge and analyzed its electro-optical characteristics. The surface luminance of the lamp having a diffuser sheet thickness of 3 mm was 5600 cd/m2 and the luminance uniformity was 92% at an applied voltage of 950 Vrms. The luminous efficacy of the FFL was 24.5 lm/W for a luminance of 4200 cd/m2 when driven by a sine-wave voltage.

Original languageEnglish
Pages (from-to)179-183
Number of pages5
JournalJournal of the Society for Information Display
Volume10
Issue number2
DOIs
StatePublished - 2002

Keywords

  • Cold-cathode fluorescent lamp
  • Dielectric barrier discharge
  • Flat fluorescent lamp
  • Light-guide plate
  • Mercury-free lamp

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