UV excited flat lighting (UFL) system for LCD-TV backlight application

Hsin Tao Huang*, Chien Hsiang Hung, Yi-Pai Huang, Chung-Hao Tien, C. C. Tsai, Han Ping D. Shieh, Jeremy Lin, Jerry Chen, Patrick Chen, Win Chi Chang

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations


Different to the conventional visible-CCFL backlight, UV excited flat lighting (UFL) applies UV-CCFL to irradiate 254 nm wavelengths to excite extrinsic phosphor layer to perform uniform and flat lighting for LCD-TV applications. UFL can yield longer life time due to less phosphor damage. Additionally, high color rendering, minor color deviation, wider FWHM (Full width at half maximum) angle, and better lamp mura relaxation, were demonstrated to achieve a high quality display with slim backlight module.

Original languageAmerican English
Pages (from-to)862-865
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - 2008
Event2008 SID International Symposium - Los Angeles, CA, United States
Duration: 20 May 200821 May 2008


  • Backlight
  • FWHM
  • Flat lighting
  • Lamp mura
  • Phosphor
  • Phosphor tape
  • UV excited


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