The 120Hz frame inversion driving FHD LCD TV panels were fabricated without image degradations seen such as the luminance gradient and the horizontal crosstalk. The panels had the higher aperture ratio because of the wider electrode space between the pixel and common electrode than conventional S-IPS. The novel driving method of gate-low-voltage-swing was used to remove the luminance gradient and the new panel design of divided-common-feeding was adopted to suppress the horizontal crosstalk. These technologies were very successful to achieve the high aperture ratio in the S-IPS panel without increase of the panel cost.

In order to activate the high precision and multi-functional machine tool, adequate technical level of the high-precision products is required. The hydrostatic bearings is used as a method for producing the high-precision products. The hydrostatic bearing has a relatively small run-out compared to its shape error by fluid film effect in hydrostatic state similar to pneumatic bearing and has high stiffness, load capacity and damping characteristics. In this study, we conducted a study on the thermal deformation of the grinding machine that has a great influence on the machining accuracy of the product. The temperature of the front bearing is 10°C or higher than the temperature of the rear bearing. Thermal deformation of the spindle was found to be dependent on the temperature of the hydrostatic bearing and could identify the overall thermal characteristics of the grinding machine.

Reliability of transistors is important to a-Si:H TFTs for integrated gate drivers. Because the life time of a-Si:H TFTs indicates the life time of LCD which adopts a-Si:H TFTs for integrated gate drivers on panel. With bias temperature stress, we could estimate the reliability of a-Si:H TFTs. Threshold voltage shift and decrease of on-current occurred by applying bias temperature stress. In this study, we investigated the effect of heat-treatment on reliability of a-Si:H TFTs for integrated gate drivers. With heat-treatment, the reliability of a-Si:H TFTs was improved and output signal of integrated gate dirivers was fine. This can be explained by that heat-treatment makes number of defect sites in channel reduce and cures the interface of active and gate insulator.

열변형 오차의 70% 이상이 스핀들의 발열에 기인한 것으로 연구된 결과가 있다 (Bryan, 1968;Srinivasan and Zigert, 1996).

INla have tried to obtain an optimal abrasive system that can irnprove the qpality of products or goods and the production efiiciency by estal)lishing the process system to rnanufatture 100micro drills and by experirnenting it in various ways. [[his paper have decided the optimum nomenclatures of 100micro drill for the shape clesign by considering the important factors such as the cutting poirrt angle, helix angle, web thickness, flute length and under cnt etc through the FEM analysis and was evaluated the characteristics of it owing to getting the high cpiality's products by various experi:rients. Keywerds: Special al)rasive grinding system, 100miero drill, Eccennicity, Qptimum shape desigri of micro drill