Samsung and LG are prepping smartphones that can display 3-D without wearing glasses . The two companies are also working on 3-D tablets , but those tablets require glasses . `` I think it 's still pretty early , '' he said . Samsung executives say they and LG will struggle to find 3-D content .
Samsung and LG are prepping smartphones that can display 3-D without wearing glasses . The two companies are also working on 3-D tablets , but those tablets require glasses . Samsung executives say they and LG will struggle to find 3-D content .