Cledis LED display technology ready for B2B by 2017, says Sony

Cledis LED display technology ready for B2B by 2017, says Sony

Technology News |
By Julien Happich

By combining multiple ZRD-1 base units, each measuring 403x453mm with a pixel count of 360×320, large B-to-B applications can be designed for digital signage, public viewing or showroom displays. 12×3 units will make a 200-inch display with 3,840×1,080 pixels on a 4.8×1.4m2 viewing area. The wall display boasts a contrast ratio of 1,000,000:1, with colour gamut about 140% of the sRGB color space and brightness up to 1,000cd/m2 across almost 180° of viewing angle, while only drawing 200W at maximum brightness, claims Sony.

Sony justifies the high contrast ratio of its ZRD-1 module thanks to its unique design with RGB pixels as small as 0.003mm2 and placed apart so as to increase the ratio of black on the entire screen to 99% or higher (this compares with conventional LED displays made by mounting red, green and blue LED chips in a surface-mounted SMD package with a typical black occupancy of 30 to 40%).

One way Sony found to increase the mounting efficiency of LED chips seems to be through the use of sub-assemblies consisting of 120 (vertical) x 80 (horizontal) Ultrafine LEDs, the ZRD-1 base module being itself an assembly of three by four such sub-assemblies.

The company is further developing the technology to possibly support 3D displays, curved screens, and high dynamic range.

Visit Sony at


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