What are the main parameters of the LCD module for high brightness display screens? The following article will take you to understand:
1. Contrast
The control IC, filter, and directional film used in the manufacturing of LCD panels are related to the contrast of the panel. For ordinary users, a contrast ratio of 350:1 is sufficient, but in professional fields, such a low contrast ratio cannot meet the needs of users.
2. Brightness
Liquid crystal is a substance that lies between solid and liquid states. It cannot emit light on its own and requires the use of additional light sources. Therefore, the number of tubes is related to the brightness of LCD displays.
3. Signal response time
Response time refers to the reaction speed of an LCD display to an input signal, which is the reaction time of the LCD from dark to bright or from bright to dark, usually measured in milliseconds (ms). To clarify this point, we need to start with the perception of dynamic images by the human eye. There is a phenomenon of visual residue in the human eye, and high-speed moving images can form brief impressions in the human brain.
4. Visual angle
The viewing angle of liquid crystals is a headache inducing issue, as when the backlight passes through the polarizer, liquid crystal, and orientation layer, the output light becomes directional.
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