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Effects of driving waveform on discharge characteristics in hg-free backlight unit

  • Jaenyeong Heo
  • , Jae Kwang Lim
  • , Heung Sik Tae
  • , Jeong Hyun Seo
  • , Kyeong Taek Jung
  • , Kwang Sik Lee
  • Kyungpook National University
  • Incheon National University
  • Samsung

Research output: Contribution to conferencePaperpeer-review

1 Scopus citations

Abstract

This paper presents the effects of various driving waveforms on the discharge characteristics of the Hg-free backlight unit (BLU). First, the square-type and sine-type waveforms are compared. The sine-type driving waveform shows the unstable discharge characteristics even at a higher driving voltage condition. Next, for the square-type driving waveform, two types of square-type waveform, that is, with and without a transformer, are examined. Finally, for the two types of square-type waveform, the effects of duty ratio on the luminance, consumption power and luminous efficiency are examined in detail.

Original languageEnglish
Pages627-630
Number of pages4
StatePublished - 2007
Event14th International Display Workshops, IDW '07 - Sapporo, Japan
Duration: 5 Dec 20075 Dec 2007

Conference

Conference14th International Display Workshops, IDW '07
Country/TerritoryJapan
CitySapporo
Period5/12/075/12/07

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