Example image of eyePlorer eyePlorer map for 'Video projector': Lens (optics) Projection screen Signalling (telecommunications) Video Home theater Video design Rear-projection television 1080p 720p Display resolution Pixel Super Video Graphics Array XGA Lumen (unit) Luminous flux American National Standards Institute Cathode ray tube CRT projector LCD projector Liquid crystal display Screen-door effect Digital Light Processing Texas Instruments Digital micromirror device Microfabrication Primary color Liquid crystal on silicon Light-emitting diode Henry Kloss Schmidt-Cassegrain telescope Do it yourself Hobby No frills Classroom Developing country Education Entertainment Comparison of display technology Large-screen television technology Projector Cave Automatic Virtual Environment Digital cinema Digital Visual Interface Disney Digital 3-D EIKI Exocentric environment InFocus Interactive whiteboard Large Format Projection Large Image Projection