Earphones; Scanners; Sunglasses; LCD large-screen displays; Multimedia projectors; Overhead projectors; Photovoltaic solar panels for the production of electricity; Projection screens; Projection screens for movie films; Retinal imaging display device, namely, a device using image projection technology that focuses light onto the retina to create afterimages for the user; Security surveillance robots; Solar panels for the production of electricity; Television apparatus for projection purposes...