The present disclosure relates to an Organic Light-Emitting Diode (OLED) apparatus and a method for manufacturing the same. The OLED apparatus comprises an OLED device, a device packaging layer, an upper flexible substrate, and a lower flexible substrate, wherein an anti-reflection layer is arranged outside the upper flexible substrate, and a layer of inorganic nanoparticles is provided on a surface of the anti-reflection layer. Using the technical solution of the present disclosure, an OLED apparatus which has both waterproof and anti-reflection effects and a small overall thickness is obtained.