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LCD Display The Arrangement

The substance has three states: LCD Display solid, liquid and gaseous. These three states can also be called solid, liquid, gas phase. Most of the material in nature exhibits solid, liquid, and gaseous as the temperature changes. Like water, salt, and substances from each element of the periodic table. Its constituent elements, such as water molecules or silicon atoms, are basically like a single ball. LCD Display As the temperature decreases or the temperature increases, the arrangement of the constituent elements changes from a later disorder to an orderly arrangement. From the liquid phase to the gas phase or solid phase. In the crystal, the orderly arrangement of the constituent elements, indicating that each constituent unit is in a certain position, is not easy to flow and regular arrangement, LCD Display as long as people know its arrangement rules, you can start from a constituent unit, according to the law to find Another unit, that is, strict space orderly.

In addition to the solid, liquid and solid states we know, LCD Display some substances, which change from solid to liquid, do not change directly from solid to liquid, but to an intermediate state. In the middle of the material looks like the appearance of turbid liquid. But its optical properties and some of this electrical properties and crystal similar. Is the opposite sex, such as birefringence characteristics. LCD Display Such as the temperature rise, a variety of turbid substances with the temperature rise will become clear, LCD Display homosexual liquid. LCD Display In turn, LCD Display these substances from the liquid into a solid, but also through the middle state. A variety of substances can be in a certain temperature range and the crystal, the two characteristics of the material called liquid crystal (LiquidCrystal) is also called liquid crystal phase, intermediate phase or intermediary equal, also known as the fourth state of the material.

Liquid crystal was first discovered by Austrian botanist L.Reinitzer in 1888. It is found in the melting point of certain substances, LCD Display found that some substances (lipostearic acid and ester lipids) will melt through an opaque white turbid liquid state and issued a colorful and beautiful luster, LCD Display as long as the heating Will become a clear liquid. In 1889, the German physicist Lehmann (O. Lehmann) designed by him, LCD Display at the time as the latest type of heating device with a polarizing microscope to observe these lipid compounds. He found that such white turbidity material looks like liquid. But is anisotropic crystal unique birefringence. LCD Display Then Lyman named it "liquid crystal". This is the origin of the LCD.

With the development of science, people know the improvement, found that liquid crystal substances are basically organic compounds. One of every 200 of the existing organic compounds is a liquid crystal phase. From the composition and the emergence of liquid crystal phase physical conditions, LCD Display the liquid crystal can be divided into thermotropic liquid crystal and lyotropic liquid crystal two categories. In some organic matter heating dissolved, due to heating damage to the crystal lattice and the formation of liquid crystal called thermotropic liquid crystal, is the first few said that due to heating some substances appear liquid crystal phase. LCD Display Similarly, some of the organic matter in a certain solvent, due to solvent damage crystal lattice and the formation of liquid crystal called solute liquid crystal. It is a liquid crystal phase present due to a change in solution concentration. The most common are soapy water and so on. Currently used for display materials are basically thermotropic LCD. So far, LCD Display has been found in the liquid crystal has more than 20,000 kinds


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