Main technical parameter for P12 full color display number technology item technical parameter 1 display mode: full color lattice, well radiation coherence, no mosaic phenomena 2 pixel composition: Adopt high luminance LED wavelength as follow: G(pure green) 520±1(nm) B(pure blue) 470±1(nm) R(red) 625±1(nm) 3 pixel rules and density: pixel spacing:12mm,density:6944/m² 4 effectual display area: full color:0.59m² 5 module dimension: 768mm×768mm 6 viewing angle: horizontal 160 °,vertical 100 ° no distortion 7 Driving Mode constant current 8 video grayness grade: each 256 grayness grade for red,pure green,pure blue 9 display color: red,green and blue form 256×256×256=16777216 color. have the technology of revising the asymmetry caused by LED disperse. 10 maximal luminance: the maximal luminance of the display screen is ≥5800cd/m²,insure the words visible outdoor, the color of screen and the screen brightness are symmetrical 11 exchange frame speed: exchange frame speed:≥200HZ,the full screen doesn't glitter.refresh frame frequency:≥75/second 12 brightness adjustment: adjustable for both software and hardware 13 Chinese characters showing :each panel can show 4 lines Chinese characters,4 words for each line.size of Chinese character:192mm×192mm 14 the best viewing distance: 5m-500m