Color light-source tube
专利汇可以提供Color light-source tube专利检索，专利查询，专利分析的服务。并且PURPOSE:To reduce the number of color light-source tubes, and enhance the efficiency of the assembly of the light-source tube by providing a set of fluorescent screens of three primary colors on the inner surface of the display screen of a vacuum package, and installing an electron-current supplying means so that it corresponds to each of the said fluorescent screens. CONSTITUTION:A vacuum package is constituted of a display screen 2 made of transparent glass, a cylindrical encircling body 3 made of a metal or a ceramic member, and a stem 4 made of glass or a ceramic member. The inner surface of the display screen 2 is provided with, for example, nine fluorescent screens 8. The fluorescent screens 8 are discriminated into three kinds of screens having different primary colors, R, G and B, and are arranged so that screens 8 of the same color don't become adjacent to each other as illustrated in the figure. An electron-current supplying means consisting of a heater 5, a cathode 6 and grids 7a-7c, which supplies an independently controllable current to each screen 8, is installed so that it corresponds to each screen 8.，下面是Color light-source tube专利的具体信息内容。
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