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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.
Most 2010s-era flat-panel displays use LCD or light-emitting diode (LED) technologies, sometimes combined. Most LCD screens are back-lit with color filters used to display colors. In many cases, flat-panel displays are combined with touch screen technology, which allows the user to interact with the display in a natural manner.
There are several methods of backlighting an LCD panel using LEDs, including the use of either white or RGB (Red, Green, and Blue) LED arrays behind the panel and edge-LED lighting (which uses white LEDs around the inside frame of the TV and a light-diffusion panel to spread the light evenly behind the LCD panel). Variations in LED backlighting ...
At SID's Display Week 2019 in May, Tianma and PlayNitride demonstrated their co-developed 7.56-inch (19.2 cm) microLED display with over 60% transparency. [18] [19] China Star Optoelectronics Technology (CSoT) demonstrated a 3.3-inch (8.4 cm) transparent microLED display with around 45% transparency, also co-developed with PlayNitride. [20]
A foot-candle (sometimes foot candle; abbreviated fc, lm/ft 2, or sometimes ft-c) is a non-SI unit of illuminance or light intensity. The foot-candle is defined as one lumen per square foot. This unit is commonly used in lighting layouts in parts of the world where United States customary units are used, mainly the United States. [1]
Use LED lights. Baker's design firm uses LED lights on garlands and trees because they last longer and are more energy-efficient. This story was originally published on Nov. 1, 2018.