The optical seat of Takaaki darkness ratio, the filter, and the aforementioned seat or has the filter the picture display which have that

摘要

The optical seat which improves bright ratio, the filter, and the aforementioned seat or has the filter the picture display which have that are offered. Optical seat 200, segregating mutually, the being transparent optical section 210 which the plural grooves g_{210 which} are allotted is formed to the end of image illuminant side and being something which the groove respectively is allotted, completely or has with the plural plain air absorption sections 220 which include the composition which includes the light absorption substance which fills up imperfectly for the respective groove, features that at least the sinking section was formed on the plain air absorption section of one groove. This optical seat, the filter, and the aforementioned seat or has the filter the picture display which have that, improving being transparent optical ratio, decrease double image formation and moire phenomenon, at the same time improve bright ratio and it can maintain high resolution. Selective figure Figure 4