Optical sheet, display device and electronic apparatus

An optical sheet (1) is provided with a pinhole mask having a plurality of pinholes having a diffraction effect on light emitted by display pixels, and a microlens array having a plurality of microlenses. The plurality of pinholes and the plurality of microlenses have such arrangements and sizes that light rays emitted from all kinds of sub-pixels are incident on a specific pinhole and are diffracted by the specific pinhole, and as a result, diffracted rays emitted from the specific pinhole are incident on a specific microlens. 本发明提供了种光学片(1)，包括针孔掩模和微透镜阵列，所述针孔掩模包括多个针孔，所述针孔具有对于从所述显示像素发出的光的衍射效应，所述微透镜阵列包括多个微透镜。多个针孔和多个微透镜的位置和尺寸允许从全部种类的子像素发出的光入射到特定针孔并且被特定针孔衍射，由此允许从特定针孔射出的每个衍射光入射到特定微透镜。