The development of high-productivity microLED (μ-LED) pixel panels is crucial as a key technology for next-generation displays. To provide a fundamental approach to this end, in this study, multicolor (red, green, blue, and yellow; RGBY) nanocolumn (NC) μ-LED pixels with 5 × 5 μm2 emission windows were monolithically integrated to exhibit electroluminescence spectra with peak wavelengths of 478, 512, 559, and 647 nm, respectively. The NC μ-LED pixels, which were two-dimensionally arranged with a 10 μm period, were individually driven by the matrix wiring p- and n-electrodes, exhibiting a μ-LED pixel panel arrangement.
We report a formation method and an electrical characterization of aligned arrays of Au nanoparticles ͑ϳ20-40 nm͒. We synthesized the structure by immersing a substrate vertically into a solvent with nanoparticle and letting the solvent evaporate. The periodicity of the arrays has been controlled in 10-40 m range by tuning the evaporation rate of solvent. The resistivity shows a drastic decrease ͑ϳ10 −4 ͒ when annealed at ϳ170°C. While it is considerably due to a breakdown of ligands surrounding the Au particles, the large change in conductivity should be used for sensors to examine the interface molecules between Au nanoparticles.
Influence of interfer"nce layer that is located between substrate and magnetic layer was studied in FAD structure. The Kerr ellipticity of reflection li~Jlt could be decreased by using larger thickness than that of minimum reflectivity. This lead to crosstalk reduction in L&G recording that is strongly affected by the Kerr ellipticity. The crosstalk was decreased by 5dB on O.651lm effective track pitch, while CNR was not affected by the thickness.
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