What is the function of LCD?
First, transfer the VGA (D-sub) via the DVI! Digital signals naturally decay! If you're a friend who's looking for high definition digital video, you don't usually recommend switching! In fact, only signals from the DVI and HDMI interfaces are digital video in the true sense! Any connection can not be a real digital output signal!Second, of course, there are data lines on the DVI! Prices are different according to workmanship and materials, an interface specification is different, up and down uneven! The general DVI-D interface data wire plating Chrysostom in 200 about the price! The average product price is between 50.00-80.00!Third, even DVI data lines and interface specifications are different! Now we are talking about the DVI interface in 1999 by the digital display working group DDWG (Digital Display Working Group) introduced interface standards, is the abbreviation of Digital Visual Interface, its modeling is a 24 pin connector. Designed for digital display devices such as LCD displays. The DVI interface has a variety of specifications, divided into DVI-A, DVI-D and DVI-I. DVI-A is actually the VGA interface standard, it's just a change. Therefore, the liquid crystal display with DVI interface is not necessarily the real digital LCD; DVI-D realizes the real digital signal transmission. The DVI-I takes all of the two interfaces, and when DVI-I is connected to the VGA device, it is the role of DVI-A; when DVI-I is connected to the DVI-D device, it plays the role of DVI-D. To be compatible with traditional analog display devices, most video cards now use 24 digital signal pins and 5 analog signal pins for the DVI-I interface
Than the flat screen eye damage smaller.
First, transfer the VGA (D-sub) via the DVI! Digital signals naturally decay! If you're a friend who's looking for high definition digital video, you don't usually recommend switching! In fact, only signals from the DVI and HDMI interfaces are digital video in the true sense! Any connection can not be a real digital output signal!Second, of course, there are data lines on the DVI! Prices are different according to workmanship and materials, an interface specification is different, up and down uneven! The general DVI-D interface data wire plating Chrysostom in 200 about the price! The average product price is between 50.00-80.00!Third, even DVI data lines and interface specifications are different! Now we are talking about the DVI interface in 1999 by the digital display working group DDWG (Digital Display Working Group) introduced interface standards, is the abbreviation of Digital Visual Interface, its modeling is a 24 pin connector. Designed for digital display devices such as LCD displays. The DVI interface has a variety of specifications, divided into DVI-A, DVI-D and DVI-I. DVI-A is actually the VGA interface standard, it's just a change. Therefore, the liquid crystal display with DVI interface is not necessarily the real digital LCD; DVI-D realizes the real digital signal transmission. The DVI-I takes all of the two interfaces, and when DVI-I is connected to the VGA device, it is the role of DVI-A; when DVI-I is connected to the DVI-D device, it plays the role of DVI-D. To be compatible with traditional analog display devices, most video cards now use 24 digital signal pins and 5 analog signal pins for the DVI-I interface
Advantages of lcd:(1) liquid crystal has obvious advantages in energy saving.(2) the radiation index is generally lower than that of CRT.(3) no geometric distortion occurs, linear distortion.(4) liquid crystal display has a large visual area.(5) high resolution quality (except for some low shrinkage monitors).(6) the display is several times lighter in weight than the CRT, and the thickness is several times thinner, so it is easy to move.(7) the color of the picture will not be distorted due to insufficient power supply.
