Notebook Accessories Are Important

- Apr 19, 2017 -

Most laptop power adapters can automatically detect 100~240V AC power (50/60Hz). Basically all laptops have an external power supply, connected with a line and host, which reduces the size and weight of the host, and only a handful of models have the power built into the mainframe. There is a nameplate on the power adapter, which indicates the power, input and output voltage and current amount of indicators, especially to pay attention to the range of input voltage, this is called "Travel power adapter," if to the mains voltage only 100V countries, this feature is very useful. Some parallel laptops are only sold in origin, no such design, even only 100V of single input voltage, in China's 220V mains voltage plug will burn down. Since the birth of the world's first notebook computer 1985, LCD LCD screens have been the standard display equipment for laptops. In the notebook computer, the main successively uses the passive matrix display the dual scanning passive array color display DSTN-LCD (commonly known as pseudo color display) and the active matrix display the thin film transistor active array color display TFT-LCD (commonly known as true color display) two kinds of LCD. Currently mainstream notebook uses TFT (Thin Film Transistor) LCD. It is a screen consisting of a thin film transistor, which is driven by a thin film transistor that is integrated at the point behind the pixel. Each pixel at the rear of the display has four (a black, three RGB color) independent thin film transistor drive pixel emit colored light, can display 24 bit color depth true color, can do high speed, high brightness, high contrast display screen information. The TFT-LCD is one of the best LCD color display devices, and its effect is close to CRT monitors, which are now mainstream display devices on laptops and desktops.

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