Abstract
This paper presents a systematic parameter study on mesh pattern for optically transparent flexible antenna with feedline. In implementing a transparent flexible antenna using a metal mesh, transparency and performance of antenna and feedline are opposite factors. To understand how both elements are affected by the design parameters of the mesh, we analyze the performance of the feedlines and antennas according to the design parameters of diamond and square meshes. Moreover, the effect of the difference in the shape of diamond mesh and square mesh on performance is analyzed. The measured results of the fabricated samples offer the feasibility of implementing transparent feedlines and antennas with similar performance to nontransparent feedlines and antennas.
Highlights
Transparent flexible antennas have attracted great attention in the recent year, as the demand for transparent devices have been increasing in various industrial fields
Antennas integrated on transparent conductive films, such as indium tin oxide (ITO) [9,10], fluorine-doped tin oxide [11], and silver-coated polyester films [12], obtained high transparency, light weight and flexibility
A transparent substrate is an essential element of transparent applications, the core of this study is an analysis of the effect on transmission lines and antennas by focusing on the transparency of the mesh pattern composed of the conductor layer
Summary
Transparent flexible antennas have attracted great attention in the recent year, as the demand for transparent devices have been increasing in various industrial fields. Antennas integrated on transparent conductive films, such as indium tin oxide (ITO) [9,10], fluorine-doped tin oxide [11], and silver-coated polyester films [12], obtained high transparency, light weight and flexibility. These films exhibit high sheet resistance, which degrades the performance of transparent antennas compared with metal antennas. A transparent substrate is an essential element of transparent applications, the core of this study is an analysis of the effect on transmission lines and antennas by focusing on the transparency of the mesh pattern composed of the conductor layer. Simulation results have been compared with the corresponding measurement results to validate the feasibility of the proposed fully meshed antennas with feedline and to show the tendency of characteristic change of antenna and transmission line according to mesh design parameters
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