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Improvement of Electric and Optical Properties of a Reflective Electronic Display by Particle-Moving Method

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5 Author(s)
Dong-Jin Lee ; Univ. of Seoul, Seoul, South Korea ; Yoo-Mi Oh ; Sun-Woo Park ; Byung-Eun Park
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We propose a new particle-insertion method for a reflective display based on the structure of a quick response-liquid powder display (QR-LPD). To compare this method with the reported simple loading method, two panels are fabricated in the same panel condition of which the width of ribs is 30 μm, the cell size is 220 μm 220 μm, the cell gap is 116-120 μm, the m value of the black particles is μC/g and that for the white particles is μC/g. This method excludes the non-moving particles, inserting only mobile particles into a substrate by using electric fields so that a panel fabricated by the particle-moving method can drive most of the particles in a cell. Also, most of the particles move at the threshold voltage of 40 V with enhanced reflectivity.

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Display Technology, Journal of  (Volume:8 ,  Issue: 6 )