A simple method to realize the 3D LCD display by using a patterned retardar (PR) arrays is descrived. Recently,this method has been employed starting from 3D-LCD-TVs to wide variety of applications such as notebook PCs andall-in-one desktop PCs. Here, the characteristics of the PR products named Xpol[○!R] is explained and a new products named "HARUDAKE" is introduced.
For flexible display development, amorphous In-Ga-Zn oxide thin film transistors were fabricated on plastic substrate at ambient temperature. The transistor structure was coplanar top-gate. a-IGZO TFTs were fabricated on plastic substrate under ambient temperature. After annealing at 150℃ the field-effect mobility was 7.4 cm_2/Vs, threshold voltage 0.3V, subthreshold swing 0.29V/decade and on-off current ratio 10^8. Even after environmental testing at 60℃ and 90% RH for 250h, there were only slight change in the TFT characteristics. The hysteresis with forward and reverse gate voltage also had a small ΔV_<th>, 0.5V.
Recently, the size of mother glass for Liquid Crystal Display (LCD) is getting larger, and some problems such as the cost of the large vacuum equipment for Chemical Vapor Deposition (CVD) have emerged. Solution-based coating is attractive because it has a lower cost process than CVD process. We have developed a new type of the solution-based passivation layer for aSi TFTs with high reliability and processability for LCD. We describe the feature of this layer and properties of device with the layer and it's processability for aSi TFTs LCD in this paper.
Polymeric optical waveguides have attracted much attention for use in optical interconnects and in integrated devices for elecrto-optical printed circuit board. In this paper, recent progress of polymer optical waveguides is described. Characteristics of polymer material, simple waveguide fabrication process, practical optical circuit, and future prospect are introduced.