Seen on Embedded Computing: Bring the future to the present with outdoor display walls

LCD walls are becoming popular as a futuristic solution in both system design and construction. Take for example, The Cosmopolitan Hotel in Las Vegas, where the visual experience is transformed and elevated, with the lobby covered mostly with immersive displays broadcasting high-definition video contents. It becomes immediately apparent that this hotel is different from the competition.

While display walls can be an excellent investment for indoor advertising, from retailers to theaters, hotels to casinos, outdoor advertising is a target as well. Taking an indoor display wall outside is as easy as designing the system with an LED-backlit LCD sunlight readable display. Such a display uses LED backlighting instead of the cold cathode fluorescent (CCFL) backlighting. Traditional LCDs use CCFLs as their backlight. While cheap, they’re not as energy efficient as LEDs. Two common LED-backlighting technologies are:

Edge-lit LEDs, where the LEDs are formed around the rim of the screen, using a special diffusion panel to spread the light evenly behind the display. For display walls, this technology is rare due to the slim bezel design on the edge.
Full-array LEDs, where the LEDs are formed on the entire back of the LCD panel, lighting it up from behind.

Full article: Bring the future to the present with outdoor display walls