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Electronic signs may be used indoors or outdoors. The display technologies are varied and changing quickly. Because of new display technologies, electronic signs are able to present more clear, colorful, and vivid images. Animated electronic signs gradually replace traditional static signs and increasingly take signage market share.
Detail view of an LED display with a matrix of red, green and blue diodes The 1,500-foot (460 m) long LED display on the Fremont Street Experience in Downtown Las Vegas, Nevada, is currently the largest in the world. A LED display is a flat panel display that uses an array of light-emitting diodes (LEDs) as pixels for a video display.
Digital signage on the side of a building reports stock prices. Dow Jones News Ticker, Times Square Digital signage is a segment of electronic signage.Digital displays use technologies such as LCD, LED, OLED, projection and e-paper to display digital images, video, web pages, weather data, restaurant menus, or text.
Other types of non-digital OOH advertising include airport displays, transit and bus-shelter displays, headrest displays, double-sided panels, junior posters and mall displays. Space advertising, by use of an array of small satellites that reflect sunlight, has been evaluated by researchers at the Skolkovo Institute of Science and Technology.
The next major technological innovation in neon lighting and signs was the development of fluorescent tube coatings. [22] Jacques Risler received a French patent in 1926 for these. [5] Neon signs that use an argon/mercury gas mixture emit a good deal of ultraviolet light. When this light is absorbed by a fluorescent coating, preferably inside ...
Some of the earliest signs were used informally to denote the membership of specific groups. Early Christians used the sign or a cross or the Ichthys (i.e. fish) to denote their religious affiliations, whereas the sign of the sun or the moon would serve the same purpose for pagans. [7] The use of commercial signage has a very ancient history.
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