Being the intensity control manner which adjusts brightness of the inside adjustment target of brightness at the time of the transmitted illumination of the transmitted illumination die plotter

摘要

PROBLEM TO BE SOLVED: To provide a method for adjusting the brightness of a transmission illumination type display board at the time of illumination in a short period of time and at low cost and a transmission illumination type display board with adjusted brightness using the method.;SOLUTION: In a coarse adjustment process, an ink 2b having a constant light transmission is printed on the front side or the rear side of a part corresponding to brightnesses A to E, which are objects to be adjusted, of the transmission type display board 1 with superimposed maximum times within a range in which the brightnesses A to E do not exceed a target brightness F. Then, according to a brightness difference between the target brightness F and the adjusted brightnesses A to E which is not eliminated in the coarse adjustment process, the ink 2b, with its amount to be printed per a unit area adjusted, is printed on the front side or the rear side of a part corresponding to the brightnesses A to E. The brightnesses A to E, which are objects to be adjusted, are thereby allowed to coincide with the target brightness F.;COPYRIGHT: (C)2006,JPO&NCIPI