| 摘要 |
<p>PURPOSE:To make the device small in size with simplified structure, to make the movement of a mechanism small at the time of changing display colors, to enlarge the effective surface area for display of a module, to easily manufacture a large screen and to stably develop many colors without consumables. CONSTITUTION:A color stripe filter 7 having a color stripe repeating red, green and blue parts of light transmitive three primary colors is arranged while superposing a color stripe filter 8 having a color stripe repeating red, green and blue parts of light transmitive three primary colors on the filter 7. In order to develop synthesized colors of red, green and blue parts of the superimposed color stripe filters 7, 8, white light from a light source 9 of white back light irradiates the filters. The line of red, green and blue parts of the color stripe filter 7 is shifted from that of red. green and blue parts of the color stripe filter 8 by means of a motor 15, a cam 17, a lever 12 and an angle 11 and the superimposed colors are developed.</p> |
