1,lcd liquid crystal displayvisible area
A portion of the display area that can be used to display an image in a practical application. The entire size is actually the size of its frame and PCB board. The part that can be used to display an image simply does not reach this size because the frame takes up some of the space. Generally speaking, the display area of a 5.7-inch 320240 LCD screen is 12292mm, while that of a 5-inch 240128 LCD screen is 11464mm. but for LCD monitors, the nominal size is basically the size of the visible area, while the frame takes up relatively little space. the 5.7 320240 LCD screen displays a display area of 12292mm. so when choosing an LCD screen, please choose the one that suits your device.
2. Reaction rate
Response speed is measured in milliseconds (MS), with milliseconds referring to the time it takes for a pixel to go from light to dark and dark to light. The smaller the value, the better. The smaller the value, the faster the response speed. Currently, the response speed of mainstream LCD monitors is above 1-2ms, which is not very relevant in general industrial applications.
3. Resolution
Resolution is a very important performance indicator. The number of dots that can be displayed on a screen both horizontally and vertically (lines and surfaces displayed on a screen consist of dots). The higher the resolution, the more information can be contained in the same screen. 320240 resolution and 240128 resolution both display well. Because there is little difference between the two, however, the larger resolution may not be the appropriate resolution. If you use content from a 320*240 LCD on a 240128 LCD, the display will be reduced.
4. Screen color
When it comes to color, there are generally three colors: white on blue background/black on white background/black on yellow background. Customers can choose different LCD colors according to different devices.
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