Projection screens and apparatus; projectors; film projectors; projection films and foils; film and image screens; visual display screens; acrylic rear projection screens; high gain front projection screens; front and rear projection screens with sound; glass projection screens; switchable glass projection screens; audio transducers; audio speakers, amplifiers and equipment; glass speakers; speakers made of glass; art speakers (speakers which also constitute art); led screens; light emitting diode displays; light emitting diodes; light emitting diodes for use in display boards; light emitting diode video screens; light emitting diode advertising systems; apparatus for television; projection television apparatus; television display apparatus; television screens; television screens (mirrored); optical glass; mirrors [optics]; electrical conductor for optical purposes; liquid crystal display panels for use with overhead projectors; liquid crystal display screens; liquid crystal display units; liquid crystal displays; liquid crystal electronic display modules; liquid crystals; polymer dispersed liquid crystal glass; touch pads [electric]; touch pads [electronic]; touch sensitive control panels; touch sensitive electronic screens; interactive touch screens and foils; interactive display apparatus and instruments [electric]; interactive entertainment software for use with computers; interactive graphics screens; interactive graphics foils; interactive video apparatus and instruments; interactive video players and video software; advertising apparatus (luminous-) with alternative displays; advertising apparatus (mechanical-) with alternative displays; advertising boards [mechanical or luminous]; advertising display apparatus and signs [mechanical or luminous]; advertising signboards [luminous]; advertising signboards [mechanical]; illuminated advertising apparatus and signs; illuminated signs used for advertising; luminous advertising displays; luminous poster [advertising] pillars; luminous rotating advertising supports; metal advertising panels [luminous]; metal advertising panels [mechanical]; panels for advertising [luminous]; panels for advertising [mechanical]; digital signage; screen technologies

Computer monitors; computer displays