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Journal of Display Technology

Journal of Display Technology


  • Vol. 4, Iss. 1 — Mar. 1, 2008
  • pp: 92–96

3-D Mobile Display Based on Moiré-Free Dual Directional Backlight and Driving Scheme for Image Crosstalk Reduction

Chun-Ho Chen, Yao-Chung Yeh, and Han-Ping D. Shieh

Journal of Display Technology, Vol. 4, Issue 1, pp. 92-96 (2008)

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A novel micro-grooved structure of lightguides and a sequential driving scheme of light sources were demonstrated in achieving comparable image qualities of 3-D displays to that of 2-D displays. The modified distribution of micro-grooves not only locates viewing cones for respective eyes but also suppresses the moiré pattern, which might occur when a periodic micro-grooved structure and a color filter are superimposed. The configuration of lightguides for a 1.8-in liquid crystal display (LCD) panel can yield acceptable 3-D perceptions at the viewing distance of 7–23 cm and the brightness uniformity of greater than 83%. In addition, the driving scheme of light sources in synchronization with parallax images can project images to the viewer's respective eyes sequentially. With the refreshing sub-frame rate of 190 Hz and double displaying parallax images, the image crosstalk of 3-D perceptions can be efficiently reduced for an LC response time of 7.0 ms.

© 2007 IEEE

Chun-Ho Chen, Yao-Chung Yeh, and Han-Ping D. Shieh, "3-D Mobile Display Based on Moiré-Free Dual Directional Backlight and Driving Scheme for Image Crosstalk Reduction," J. Display Technol. 4, 92-96 (2008)

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