Display panel and method of manufacturing the same

A display panel, comprising:

• a base material that transmits light and that is formed in a plate shape;
• a groove portion defined in a back surface of the base material and defined corresponding to a display pattern that is displayed on a front surface side of the base material;
• a light-blocking film, formed on the back surface where the groove portion is not defined and on a side surface of the groove portion, that blocks light through the back surface;
• a light-transmissive region that comprises a region on an upper surface of the groove portion where the light-blocking film is not formed and that transmits light;
• and
• a metal film formed in at least the light-transmissive region,
• wherein the metal film overlies the light-blocking film, and is of such a thickness that it transmits light,
• wherein the light-blocking film is configured to reduce an intensity of light transmitted therethrough, and
• wherein the light-blocking film is configured to have a light transmittance of not more than 1%.