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Improved Nucleation and Transition by Plasma Treatments for Fast Response Optically-Compensated-Bend Displays

100%

Wu G., Huang C., Chien H.

2013

vol. 123

issue 5

892-895

The optically-compensated-bend mode pi-cell displays exhibit fast-response time and wide-viewing angle characteristics. However, it requires a transition of the liquid crystal molecule from an initial splay state to the bend state configuration before providing the quick operation. A high voltage and a long warm-up time are needed to transform to the bend state. In this paper, the polyimide alignment films have been modified to reduce the splay-to-bend transition time by plasma beam treatments. The proposed method was demonstrated to be highly effective in improving the overall transition time. The number of splay-to-bend nucleation sites in the assembled liquid crystal cells could be increased dramatically by up to 20 times at the initial stage, and the improvement in the cell warm-up time was achieved at 45-71% reduction at 5.5 V. The plasma processing parameters were optimized at the plasma power of 700 W, the plasma distance of 25 mm, and the plasma scan speed of 600 mm/s. In addition, we maintained the excellent optical properties and response time characteristics for the optically-compensated-bend mode liquid crystal displays.

Mechanical Properties Enhancement of Particle Reinforced Magnesium Matrix Composites Used for Hot Extruded Tubes

100%

Huang S., Hwang Y., Huang Y., Huang C.

Acta Physica Polonica A

2015

vol. 127

issue 4

1271-1273

This paper studies new magnesium metal matrix composites (Mg MMCs) reinforced with SiC particles by the stir-casting method for MMCs tubes hot extrusion. AZ61/SiCp MMCs' ingots reinforced with 0, 0.5 and 1 wt.% SiC particles are fabricated by the melt-stirring technique. AZ61/SiCp MMCs' tubes are manufactured by hot extrusion using a specially designed die-set. Obvious grain size refinement both by addition of particles and extrusion process are discovered. However, the grain refinement effect caused by extrusion process is much significant than that effect caused by SiC particle addition. The 0.2% yield strength (YS) of extruded tubes of AZ61 and AZ61/1 wt.% SiCp MMCs (without and with T5 treatment) are increased by 140.9-161.9% and 156.5-156.7%, respectively, compared with those of as-cast billets.

Pharmacokinetics of diclofenac sodium injection in swine

72%

Yang H. F., Li Y. J., Li Y. Y., Huang C., Huang L. X., Bu S. J., Yang H. F., Li Y. J., Li Y. Y., Huang C., Huang L. X., Bu S. J.

Polish Journal of Veterinary Sciences

2019

issue 2

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1 Bu S. J.

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1 Li Y. J.

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Search results

Improved Nucleation and Transition by Plasma Treatments for Fast Response Optically-Compensated-Bend Displays

Mechanical Properties Enhancement of Particle Reinforced Magnesium Matrix Composites Used for Hot Extruded Tubes

Pharmacokinetics of diclofenac sodium injection in swine