Northern Shaanxi Shaanxi LED display LED display LED display Inner Mongolia, Gansu LED display ..

Shaanxi LED display 13992889963 northern Shaanxi LED display LED Display Inner Mongolia, Gansu, Ningxia LED display LED display preferred Shaanxi Hi-Tech five main factors that affect the quality of a LED display full color display The good or bad can be signed from the following aspects: 1. surface flatness Flatness display to within ± 1mm ??in order to ensure the display image is not distorted, partial raised or recessed will lead to the display can be degree angle appears dead. The quality of flatness is determined mainly by the production process. 2. brightness and viewing angle indoor full color brightness to the 800cd / m2 or more, and outdoor full color brightness to the 1500 cd / m2 or more, to ensure the normal operation of the display, or because of the brightness is too low and can not see the displayed image. The size of the brightness of the LED die is good or bad decision. How much screen size of the viewing audience directly depends on the angle, and therefore the bigger the better. The size of the viewing angle from the die is encapsulated to decide. 3. The balance effect balance effect is one of the most important indicators of the display. Red, green and blue color science taken in the ratio of 1: 4.6: 0.16 pure white will show, if the actual proportion of any deviation occurs the white balance bias, usually pay attention to whether there are bluish white, yellow green phenomenon. White balance is mainly determined by the quality of the display control system, die on the reduction of color also have an impact. The color reduction color reduction means color display for color reduction, the display shows both a high degree of consistency and color of the playback source, so as to ensure realistic images. 5. Have Mosaic, Mosaic is dead phenomenon refers to appear on the display lit or normally black small four-square, both modules necrosis, connector quality mainly used for the display, but off. Dead point is steady appear on the display or normally black single point, how good or bad from the die to determine the dead point. 6. Have color color refers to the presence obvious color difference between adjacent modules, transition colors in module units, the color phenomenon is mainly caused by the control system is poor, the gray level is not high, scanning caused by lower frequency. (From the LED display maintenance network)