How to judge the quality of industrial LCD?

How to judge the quality of industrial LCD? At present, industrial LCD is widely used in many fields, and the demand for industrial LCD is also very high in various industries. Therefore, do people know how to judge the quality of LCD? The following is an introduction and judgment from several aspects.

1、 Data signal response speed.

Generally speaking, the data signal response speed of LCD should be less than 30ms, and even models less than 15ms can often be seen. In order to meet the requirements of LCD display dynamic picture, products with fast response speed need to be selected.

2、 Brightness and contrast.

Brightness and contrast parameters are the most basic standards to judge the quality of LCD. Generally, the display has a high brightness value, which can make the picture more bright, while the LCD screen must have a brightness value of at least 200cd / m2 to display an image that meets the basic requirements. Therefore, the higher the brightness value, the better the image characteristics and the more gorgeous the picture is.

LCD screen. png

3、 Flash point verification of display.

LCD displays sometimes flash slowly after long-term use. So after the customer gets the goods, why not immediately inspect them for a few days.

4、 LCD displays the real effect.

Performance indicators and specific key performance indicators often differ, so it is important that facts speak louder than words. To see the actual effect of LCD display, of course, we should shape the eyes to distinguish the actual effect of LCD display. The judgment method is very simple, that is, the visual effect is comfortable. If the visual effect is comfortable, that is, the actual effect is good. If you feel that the image is blurred, the image is stagnant, and the font style is blurred, it must be the reason for the poor quality of LCD.