No Item Parameters 1. pixel size 5 2. Pixel pitch 25mm 3. pixels 2 red 1 pure green 1 pure blue pixel brightness 2900mcd 5. The driver chips TB62726 (1) die species brightness wavelength parameters No. Item 1. Red die 625 ± 2.5nm 550mcd 2. pure green die 525 ± 2.5nm 1600mcd 3. Chunlan die 460 ± 2.5nm 550mcd (2) technical parameters Screen 3 shows the density of 1600 points / M2 4 display brightness is greater than 5000cd / M2 5 Drive Static constant current drive 6 Angle 150 degrees (left and right viewing angle) elevation angle from 75 degrees 75 7 viewing distance of 5-50 m 8 gradations of red, green, and blue 256 gray scale display colors 16,777,216 kinds 9 10 Frame rate ≥60 (frame) / sec 11 controls synchronized with the computer monitor 12 display modes 1024 × 768 13 Screen lifetime> 100,000 hours MTBF 10000 hours 15 14 screen blind spot rate ≤0.0005 16 Working voltage AC220V ± 15% 47 ~ 64HZ 17 full-screen power 600W / M2 18 screens total weight less than 60KG / M2 19 to control the distance less than 200 meters (without relay) (Category 5) (fiber greater than 3000 m) 20 System working environment temperature -20 ℃ ~ 60 ℃ 21 System working environment humidity 10% -95% RH