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Resolution Resolution is a very important performance indicator. It refers to the number of points that can be displayed horizontally and vertically on the screen (lines and planes on the screen are composed of points). The higher the resolution, the more information can be included in the same screen. 480×800 resolution and 320×240 resolution are perfect display. Because there is little difference between the two, but the maximum resolution is not necessarily the most appropriate resolution. If 480×8000 LCD is used in 320×240 LCD, the display content will be smaller.   Visual area of LCD It refers to the part of the display area that can be used to display the image in practical application. The full size is actually the size of its frame and PCB board, and the part that can be used to display images does not reach this size at all, because the frame takes up some space. Generally speaking, the area of 4-inch 480×800 LCD is 51.84×86.4mm, and that of 3.5-inch 320×240 LCD is 70.08×52.56mm. But for LCD, the size of area is basically the size of the visible area, and the space occupied by the frame is relatively small. The 4-inch 480×800 LCD has a display area of 51.84 * 86.4mm.So choose LCD screen, choose suitable for your own equipment.   Reaction speed The unit of time used to measure reaction speed is millisecond (ms), which is the time required for a pixel to go from light to dark and from dark to light.

As the COVID-19 epidemic breaks out all over the world, all walks of life are suffering from the impact of the epidemic, and the LCD industry has also suffered a cold winter, and demand has fallen sharply. The epidemic is a new test for the entire LCD panel industry chain. In previous years, at the China Import and Export Fair, twice a year, you could see people from all over the country going to Guangzhou to participate in the exhibition. But this spring, compared to face-to-face cooperation negotiations in the exhibition hall, all advertisers and LCD purchasers had to find another way to negotiate this year’s market cooperation projects. All LCD companies in Shenzhen have a problem in survival in such a big environment. It is understood that due to the impact of the epidemic, sales staff of many companies keep product prices low in order to place orders, but do not consider whether the quality of product accessories is satisfactory, which added many unnecessary after-sales problems to buyers. In other words, while pursuing low prices, we also need to pay for the quality problems caused by low prices. We hope everyone chooses carefully.