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Highly Reliable Pentacene TFT Backplanes for Electrophoretic Displays on Plastic Substrates
이명원,송정근 한국물리학회 2009 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.54 No.1
A highly reliable pentacene TFT backplane for a 6-inch QVGA (320 × 240) electrophoretic display (EPD) was fabricated on a polyethylene substrate. The threshold voltage shift, a general stress effect of pentacene TFTs, was avoided by designing the channel width of organic thin film transistor(OTFT) to be 40 times larger than the channel length. The reliability was also enhanced by employing a passivation layer consisting of a polyvinylalcohol and acryl double layer on OTFT-backplane. The mobility was 0.21 ± 0.03 cm<SUP>2</SUP>/V<SUB>sec</SUB> and the on/off current ratio was 3.66 2.72 × 10<SUP>7</SUP>, producing an excellent uniformity, with a 10 % variation, over a 6-inch area. The OTFT-EPD panel worked in 5 weeks continuous operation.
이명원,박정경,홍재원,김광준,신동엽,안철우,송영득,조홍근,박석원,이은직 대한당뇨병학회 2013 Diabetes and Metabolism Journal Vol.37 No.3
Beyond statin therapy for reducing low density lipoprotein cholesterol (LDL-C), additional therapeutic strategies are required to achieve more optimal reduction in cardiovascular risk among diabetic patients with dyslipidemia. To evaluate the effects and the safety of combined treatment with omega-3 fatty acids and statin in dyslipidemic patients with type 2 diabetes, we conducted a randomized, open-label study in Korea. Patients with persistent hypertriglyceridemia (≥200 mg/dL) while taking statin for at least 6 weeks were eligible. Fifty-one patients were randomized to receive either omega-3 fatty acid 4, 2 g, or no drug for 8 weeks while continuing statin therapy. After 8 weeks of treatment, the mean percentage change of low density lipoprotein (LDL) particle size and triglyceride (TG) level was greater in patients who were prescribed 4 g of omega-3 fatty acid with statin than in patients receiving statin monotherapy (2.8%±3.1% vs. 2.3%±3.6%, P=0.024; -41.0%±24.1% vs. -24.2%±31.9%, P= 0.049). Coadministration of omega-3 fatty acids with statin increased LDL particle size and decreased TG level in dyslipidemic patients with type 2 diabetes. The therapy was well tolerated without significant adverse effects.