rollable
21Neon sign — …
22Armenians — This article is about Armenians as an ethnic group. For people living in Armenia, see Demographics of Armenia. Not to be confused with Arminianism. Armenians Հայեր …
23Display device — Nixie tubes, LED display and VF display, top to bottom. A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people). When the input… …
24Liquid crystal on silicon — Conceptual diagram of the LCoS technology. Liquid crystal on silicon (LCoS or LCOS) is a micro projection or micro display technology typically applied in projection televisions. It is a reflective technology similar to DLP projectors; however,… …
25Video projector — Projected image from a video projector in a home cinema. A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright… …
26Membrane keyboard — as used on the East German Robotron Z1013. A membrane keyboard is a computer keyboard whose keys are not separate, moving parts, as with the majority of other keyboards, but rather are pressure pads that have only outlines and symbols printed on… …
27Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
28Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic …
29Comparison of display technology — This is a comparison of various properties of different display technologies. Further information: Comparison CRT, LCD, Plasma and History of display technology Contents 1 General characteristics 2 Temporal characteristics 3 See also …
30Monoscope — For the portable telescope, see Spotting scope The Indian Head test pattern …
