CRT: It is one of the biggest part of the display changes in production technology, but also an important criterion to measure the grade level of the display, according to the tube surface flatness can be divided into spherical tubes, flat rectangular tube, cylindrical tube, flat tube . Spherical Tube: From the earliest green display, monochrome display many 14 inches, basically spherical screen products, its flaws are obvious, outdoor color display, in the horizontal and vertical directions are curved. Corner distortion is serious, with the change of the viewing angle, oblique images occur, In addition, this screen is very easy to cause reflection of light, this will reduce the contrast, Tatung color display, a larger stimulus to the human eye, this CRT out of the market just a matter of time. LDX ad: "array" control system consists of a control board, a number of pieces slave control board installed in the display cabinets and a number of scanning panels, indoor monochrome display, as if each box is adopted a control system to control the use of such a structure to fully enhance the effectiveness and reliability of the display screen, in effect lifting more obvious, a good solution to the high-end LED display when playing video frame frequency is not high, gray degree level is insufficient, poor color uniformity and other issues. Identified Science and Technology Bureau of the Committee of Experts, the technology has reached domestic leading level of similar products. High-quality color display monochrome display _ _ Datong LDX do word Factory Limited by Shanxi Xuan DS culture media. Shanxi Xuan DS Media Limited (www.sxdxzs.com/) strong, credible, in Taiyuan, Shanxi advertising industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead LDX do word into the brilliant works and you work for a better future!