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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 11, Iss. 3 — Sep. 25, 2007
  • pp: 118–123

Optimization of the Emitting Structure of Flat Fluorescent Lamps for LCD Backlight Applications

Ji-Hee Park and Jae-Hyeon Ko  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 11, Issue 3, pp. 118-123 (2007)


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Abstract

The emitting structure of multi-channel-type flat fluorescent lamps (FFLs) combined by a lenticular-lens-patterned diffuser plate was optimized by the ray tracing technique. The optimal parameters such as the distance between the channels of the FFL and the distance between the FFL and the diffuser plate were suggested from the viewpoint of the luminance uniformity. The best luminance uniformity, which was higher than 90%, was obtained at the channel distance of 4 mm and the distance of 12.5 mm between the FFL and the patterned diffuser plate.

© 2007 Optical Society of Korea

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(150.2950) Machine vision : Illumination
(230.3720) Optical devices : Liquid-crystal devices

History
Original Manuscript: July 25, 2007
Published: September 25, 2007

Citation
Ji-Hee Park and Jae-Hyeon Ko, "Optimization of the Emitting Structure of Flat Fluorescent Lamps for LCD Backlight Applications," J. Opt. Soc. Korea 11, 118-123 (2007)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-11-3-118


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References

  1. J.-H. Ko, "Recent Research Trends in the Development of New Light Sources for the Backlight Unit of Liquid Crystal Display," Asian J. Phys., vol. 14, pp. 231-237, 2005
  2. J. H. Kim et al., "Two-dimensionally integrated fluorescent lamp for 40 inch LCD-TV application," IMID "04 Tech. Digest, pp. 795-798, 2004
  3. T. Shiga, S. Mikoshiba, J.-H. Ko, K. Y. Lee, S. H. Cho, and H. T. Choi, "Lateral Multi-Channel Flat Discharge Fluorescent Lamp for LC-TV Backlight," SID "04 Tech. Digest, pp. 1330-1333, 2004
  4. J. Park and S. Lim, "Design of flat fluorescent lamp (FFL) channel for LCD TV backlight unit by optical simulation," IMID "06 Tech. Digest, pp. 1330-1333, 2006
  5. J. -H. Ko, "A Review on Fluorescent Lamps Having Noncircular Cross-sections," IMID "05 Tech. Digest, pp. 1165-1168, 2005
  6. Breault Research Organization, "The ASAP Primer," pp. 13-234-13-256, 2006
  7. J. Ha, J. Paek, T. Jang, J. Choi, and Y. Jung, SID "07 Tech. Digest, pp. 46-49, 2007
  8. E. G. Olczak, M. Yamada, D. J. Coyle, and D. R. Olson, SID "06 Tech. Digest, pp. 1336-1339, 2006

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