For the convenience of operation, people use touch screen instead of mouse or keyboard. To work, we must first touch the touch screen mounted on the front of the display with a finger or other object, and then the system will locate and select information input according to the icon or menu positio......

Network camera is a new generation of camera produced by combining traditional camera and network technology. With the rapid development of network, network products gradually cover every corner of our life. The development and innovation of webcam is widely used in many fields, such as education, c......

OLED is a self-luminous material, does not need backlight board, and has a wide visual Angle, uniform picture quality, fast reaction speed, easy to color, simple drive circuit can achieve light, simple process, can be made into flexural panel, in line with the principle of thin and short, the scope ......

Tft-lcd is a thin film transistor type liquid crystal display, also known as "true color" (TFT).