Abstract
Usually we place three kinds of monochromatic cells side-by-side to create a multicolored panel, because we cannot change the luminous color of a discharge using conventional methods. However, our technique involving color-controlled discharge can change it into three colors. In this paper we describe the results of the trial manufacturing of three-color panels using our new technique. We use neon spectra as the red color, visible spectra of mercury as the blue, and fluorescence excited by 253.7 nm HgI as the green. These colors are controlled by pulse rise time, width, and frequency. We made a panel with 5×7 dots capable of displaying alphabets and Arabic numerals in three colors The color difference between blue and green is not distinct enough and its maximum brightness is about 500 cd/m2 for each color. The electric power source voltage required was about 500 volts
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