Patent ID: 8393742
Filing Date: 2013-03-12
Classification: B29D,G02B

Abstract:
1. An external light shielding film, comprising: a substrate including a transparent resin and having a plurality of grooves in a surface of the substrate; and a plurality of external light shielding parts configured to fill the plurality of grooves respectively and absorb external light, each of the external light shielding parts containing a light absorbing material, wherein: the light absorbing material includes a base resin and a light absorbing substance of black color, each of the plurality of external light shielding parts includes a first external light shielding part and a second external light shielding part disposed in this order in a direction of the external light, and a weight ratio of the light absorbing substance to the base resin of the second external light shielding part is higher than a weight ratio of the light absorbing substance to the base resin of the first external light shielding part.