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Journal of Display Technology

Journal of Display Technology


  • Vol. 5, Iss. 10 — Oct. 1, 2009
  • pp: 385–390

Two-Field Scheme: Spatiotemporal Modulation for Field Sequential Color LCDs

Yu-Kuo Cheng, Yi-Pai Huang, Yi-Ru Cheng, and Han-Ping D. Shieh

Journal of Display Technology, Vol. 5, Issue 10, pp. 385-390 (2009)

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A novel displaying method, two-field driving scheme, was proposed for field sequential color LCDs without color filter. A spatially modulated color backlight provided multi-primary low-resolution optical stimuli, which were then compensated by an LC panel to display detailed colorful images. That is, the manipulation on three (or more) spatial and two temporal degrees of freedom was sufficient to convey full color information. The simulation results showed that the proposed method achieved acceptable color reproduction accuracy, average CIEDE2000 color difference (ΔE00) <3.The least number of fields particularly alleviated the demand for fast-response LC modes in sequential-type LCDs. Furthermore, color break-up suppression was observed due to less chrominance difference between the two fields.

© 2009 IEEE

Yu-Kuo Cheng, Yi-Pai Huang, Yi-Ru Cheng, and Han-Ping D. Shieh, "Two-Field Scheme: Spatiotemporal Modulation for Field Sequential Color LCDs," J. Display Technol. 5, 385-390 (2009)

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