Planar light source unit and image display apparatus using the same

An image display apparatus comprising:

• a planar light source unit;
• and
• an image display part disposed on the planar light source unit for displaying images using the light radiated from the planar light source unit,
• wherein the planar light source unit comprises:
• a light source;
• an upper case having an opening through which the light is emitted from the light source;
• a lower case fitted with the upper case and including a hole;
• a light guide plate disposed inside the upper case and the lower case;
• a resin frame including a first surface that holds the light guide plate, a second surface opposed to the first surface, a first restriction member penetrated through the hole of the lower case, the first restriction member including a first portion extending from and substantially perpendicular to the second surface, and a second portion contacted with a portion of the first portion and having a third surface substantially parallel to the second surface;
• and
• a first member, a part of which is inserted into a clearance defined by the second surface, the first portion and the third surface.