Screen, display device, particle, optical sheet, particle inspection apparatus, particle inspection method, particle manufacturing apparatus, particle manufacturing method, screen manufacturing method, and screen inspection method

摘要

To provide a particle, an optical sheet, a screen, a display device, a particle inspection device, and a particle inspection device capable of reducing speckle and capable of effectively avoiding degradation of image quality accompanying color change A particle manufacturing method, a particle inspection method, a screen inspection method, and a screen manufacturing method.SOLUTION: The particles include a first portion 61 and a second portion 62 having different relative permittivities, and the first portion 61 and the second portion 62 are formed of a reflectance or a reflectance spectrum of a wavelength of invisible light, The transmittance or transmittance spectrum of the wavelength of the invisible light is different.(FIG.