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A Field Sequential Color LCD Based on Color Fields Arrangement for Color Breakup and Flicker Reduction

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5 Author(s)
Chun-Ho Chen ; Dept. of Photonics & Inst. of Electro-Opt. Eng., Nat. Chiao Tung Univ., Hsinchu ; Fang-Cheng Lin ; Ya-Ting Hsu ; Yi-Pai Huang
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The field sequential color (FSC) mechanism can effectively generate multi-primary color fields in temporal sequence to form a full-color image. Color breakup (CBU), however, has appeared intrinsically in conventional FSC displays to degrade visual qualities. A novel CBU suppression method, color fields arrangement (CFA), was proposed to eliminate the artifacts for FSC liquid crystal displays (LCDs). The modified order of consecutive color fields results in superimposed color images on a retina without CBU. Additionally, the 4-CFA method with a field rate of 240 Hz was found to avoid the flicker phenomenon on static images. The proposed method was successfully implemented on a 5.6-in optically compensated bend (OCB) LC panel. Our results confirm that the visibility of CBU artifacts can be reduced as the evaluation of dynamic and static models.

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Display Technology, Journal of  (Volume:5 ,  Issue: 1 )