Casing, electronic device, and method of fabricating casing

A casing comprising:

• a polycarbonate substrate;
• a light shielding layer formed on the polycarbonate substrate and having at least one patterned transmissive region;
• and
• a light transmission layer formed on the light shielding layer and covering the at least one patterned transmissive region and a portion of the polycarbonate substrate exposed by the at least one patterned transmissive region, wherein a thickness of the light transmission layer is greater than a thickness of the light shielding layer.

An electronic device comprising:

• a casing comprising:
• a polycarbonate substrate;
• a light shielding layer formed on the polycarbonate substrate and having at least one patterned transmissive region;
• and
• a light transmission layer formed on the light shielding layer and covering the at least one patterned transmissive region and a portion of the polycarbonate substrate exposed by the at least one patterned transmissive region, wherein a thickness of the light transmission layer is greater than a thickness of the light shielding layer;
• and
• a light source configured to emit a light beam, wherein the light beam passes through the polycarbonate substrate, the at least one patterned transmissive region of the light shielding layer, and the light transmission layer.