Introduction to the advantages and disadvantages of LCD monitors
2020-08-08 11:12:12
[ Pacific Security Network News ] LCD monitors are accepted by many consumers because of their own advantages, of course, everything has two sides, the following small series on the advantages and disadvantages of LCD monitors to summarize. Advantages of the LCD monitor:
1, low voltage, low power consumption, very low operating voltage, as long as 2-3V, the operating current is only a few microamps, that is, the power consumption is only 10-6-10-5W/cm2, which is not done by any other display device. Arrived.
2. The basic structure of the flat-panel LCD monitor is two pieces of conductive glass with a thin box filled with liquid crystal.
A high aperture ratio is most beneficial for use as a display window
B shows that the area is bigger and smaller.
C facilitates automated mass production and low production costs
D device is very thin only a few millimeters later
3. The passive display type liquid crystal itself does not emit light, and the external light is modulated to achieve the display purpose, that is, different contrasts are formed by different reflections and transmissions of external light to achieve the display purpose. LCD can't be displayed in the dark, but in the visual information obtained by human beings in nature, more than 90LL% is reflected by external objects, not by the object itself, so passive display is more suitable for human vision, not easy to cause Eye fatigue.
4. Displaying a large amount of information In the liquid crystal monitor, no isolation measures are taken between the pixels, so that more pixels can be accommodated in the same display area, which is advantageous for making a high definition television display.
5, easy to colorize the general liquid crystal colorless, using color filter film is easy to achieve color. The color that can be reproduced by LCD can be comparable to CRT monitors.
6. Long life As long as the matching parts of the liquid crystal are not damaged, the liquid crystal itself is hardly deteriorated due to low working voltage and small current, and the life is very long.
7, no radiation, no pollution
There are X-ray radiation in the CRT display, and the PDP display has high-frequency electromagnetic radiation, and these problems do not occur in the liquid crystal display.
Disadvantages of LCD monitors:
1. Display viewing angle is small Because most liquid crystal display principles rely on the anisotropy of liquid crystal molecules, the reflectivity is different for different incident light, so the viewing angle is small, only 30-40 degrees. As the viewing angle becomes larger, the contrast deteriorates rapidly.
2, slow response speed Most of the liquid crystal display depends on the external electric field, the arrangement of liquid crystal molecules changes, so the response speed is greatly affected by the viscosity of the material. The response speed is generally 100-200ms. The lower the temperature, the slower the response speed and the poor dynamic image quality.
3, fear of high temperature and high temperature will destroy the directional layer of liquid crystal, resulting in irreparable damage. Partial high temperatures form afterimages.
4. It is not clear when it is inactive.
Summary: Now friends have a full understanding of the LCD monitor, then when you buy it should be combined with their own environment to choose, if it is a high temperature environment, of course, the choice of LCD monitor is a wrong choice, advantages and disadvantages Only when you have all-round grasp can you purchase a satisfactory product.
1, low voltage, low power consumption, very low operating voltage, as long as 2-3V, the operating current is only a few microamps, that is, the power consumption is only 10-6-10-5W/cm2, which is not done by any other display device. Arrived.
2. The basic structure of the flat-panel LCD monitor is two pieces of conductive glass with a thin box filled with liquid crystal.
A high aperture ratio is most beneficial for use as a display window
B shows that the area is bigger and smaller.
C facilitates automated mass production and low production costs
D device is very thin only a few millimeters later
3. The passive display type liquid crystal itself does not emit light, and the external light is modulated to achieve the display purpose, that is, different contrasts are formed by different reflections and transmissions of external light to achieve the display purpose. LCD can't be displayed in the dark, but in the visual information obtained by human beings in nature, more than 90LL% is reflected by external objects, not by the object itself, so passive display is more suitable for human vision, not easy to cause Eye fatigue.
4. Displaying a large amount of information In the liquid crystal monitor, no isolation measures are taken between the pixels, so that more pixels can be accommodated in the same display area, which is advantageous for making a high definition television display.
5, easy to colorize the general liquid crystal colorless, using color filter film is easy to achieve color. The color that can be reproduced by LCD can be comparable to CRT monitors.
6. Long life As long as the matching parts of the liquid crystal are not damaged, the liquid crystal itself is hardly deteriorated due to low working voltage and small current, and the life is very long.
7, no radiation, no pollution
There are X-ray radiation in the CRT display, and the PDP display has high-frequency electromagnetic radiation, and these problems do not occur in the liquid crystal display.
Disadvantages of LCD monitors:
1. Display viewing angle is small Because most liquid crystal display principles rely on the anisotropy of liquid crystal molecules, the reflectivity is different for different incident light, so the viewing angle is small, only 30-40 degrees. As the viewing angle becomes larger, the contrast deteriorates rapidly.
2, slow response speed Most of the liquid crystal display depends on the external electric field, the arrangement of liquid crystal molecules changes, so the response speed is greatly affected by the viscosity of the material. The response speed is generally 100-200ms. The lower the temperature, the slower the response speed and the poor dynamic image quality.
3, fear of high temperature and high temperature will destroy the directional layer of liquid crystal, resulting in irreparable damage. Partial high temperatures form afterimages.
4. It is not clear when it is inactive.
Summary: Now friends have a full understanding of the LCD monitor, then when you buy it should be combined with their own environment to choose, if it is a high temperature environment, of course, the choice of LCD monitor is a wrong choice, advantages and disadvantages Only when you have all-round grasp can you purchase a satisfactory product.
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