| 摘要 |
PURPOSE:To mass-produce filters of optional size by using a negative film on which a tricolor dot image is developed and fixed as a master, and using a positive film to which an enlarged and reduced image is transferred as a color filter for picture display. CONSTITUTION:A magnified drawing wherein dots in red, green, and blue are arranged regularly is photographed by a normal photographic camera by using a negative color film 201. When it is copied on a positive type color film 201 on reduced scale, the tricolor dot image 202 has excellent sharpness and the negative type color film having tricolor dots 203, 204, and 205 regularly is used as the master to perform enlargement and reduction to optional size and the obtained positive color film is used as the color filter. Therefore, color filters of optional size are mass-produced at low cost. |
