Classification of LCD screens

Classification of LCD screens

TN LCD screen:

TN type is the most mainstream mode adopted by LCD monitors at present, and is widely used in entry-level and mid-range panels. The common viewing angle is not outstanding in performance indicators and has a natural chronic disease. The TN panels seen on the market are all improved TN+film, where film is a compensation film, which is used to make up for the lack of viewing angle of TN panels. In general, TN panels are products with obvious advantages and disadvantages. They are cheap and have a response time that can meet the requirements of games. In the classification of LCD screens, TN has an unsatisfactory viewing angle and unrealistic color performance, which are obvious disadvantages.


STN LCD screen:

The display principle of STN type is similar to TN. The difference is that the liquid crystal molecules of TN twisted nematic field effect rotate the incident light by 90 degrees, while the STN super twisted nematic field effect rotates the incident light by 180 to 270 degrees.

DSTN LCD screen:

DSTN scans the twisted nematic LCD screen through a double scanning method to achieve the display purpose. DSTN is developed from super twisted nematic display (STN). Since DSTN uses double scanning technology, the display effect is greatly improved compared with STN in the LCD display classification.

IPS LCD display:

IPS is also called wide viewing angle. It is a panel technology launched by Hitachi in 2001. It is also commonly known as "Super TFT". From a technical point of view, the liquid crystal molecules of traditional LCD displays generally switch between vertical and parallel states. MVA and PVA improve it to a vertical-bidirectional tilt switching mode. The biggest difference between IPS technology and the above technologies is that no matter what state the liquid crystal molecules are always parallel to the screen, but the rotation direction of the molecules is different in the power-on/normal state-note that the rotation of MVA and PVA liquid crystal molecules belongs to spatial rotation (Z axis), while the rotation of IPS liquid crystal molecules belongs to rotation in the plane (X-Y axis). IPS also has the disadvantage of slow response time. 16.7M colors, 178-degree viewing angle and 16ms response time represent the highest level of IPS liquid crystal displays.

Shenzhen Zhiyan Optronics Co., Ltd. (zylcdshop.com) is a reliable China-based supplier specializing in high-performance LCD screens. With over 18 years of industry experience, we deliver dependable quality and customized display solutions at highly competitive prices.

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