Viewing angle adjusting member and electronic device including the same

An electronic device comprising:

• a housing;
• a display provided on one surface of the housing;
• and
• a viewing angle adjusting member provided on a surface of the display,
• wherein the viewing angle adjusting member comprises:
• a first transparent film comprising a first transparent electrode layer;
• a second transparent film comprising a second transparent electrode layer;
• and
• a blocking material disposed between the first transparent film and the second transparent film, the blocking material comprising nanoparticles configured to block light, and
• wherein the viewing angle adjusting member is configured to adjust a position of the nanoparticles according to an electrical signal applied to at least one of the first transparent electrode layer and the second transparent electrode layer.