IPS display in modern electronic devices

Monitors for computers, televisions, telephones - a technology based on liquid crystals, which has found its application in many electronic devices and has become familiar and commonplace. But do you know how remarkable the IPS display is, how it is designed and what excellent qualities it has? First of all, it is worth mentioning that the abbreviation from English stands for "high-quality LCD matrix." It was created in 1995 with the aim of eliminating the disadvantages that TN technology has. In contrast, monitors consist of their liquid crystals, which are parallel to the monitor and rotate all at the same time under the influence of an electric field. That is why the IPS display has such a wonderful feature as a wide viewing angle. It can be up to 170 Β°.

IPS display

The circuit diagram is as follows. The first layer is the front polarizer, then the layer of filters and guides. Next are liquid crystals, electrodes, control transistors. Complete the design of the monitor rear polarizer and backlight unit. If you see that the IPS display has broken pixels, they will be black, not white. This happens because the LC molecules do not rotate if they are not supplied with electronic voltage and do not transmit light, since the second filter is in a perpendicular position with respect to the first. For this reason, the color black is remarkably transmitted by the matrix.

IPS touch display

What else are the wonderful monitors created by this technology? They are capable of transmitting high contrast, wide spectrum colors, very rich, natural and deep, corresponding to the RGB scale. Therefore, devices with an IPS display are suitable for working on the Internet, watching movies and photos, they are loved by specialists in graphics, image processing. Of the positive qualities that a similar screen has, it can be noted its safety for the eyes. The statement can be trusted, the verdict was delivered by ophthalmologists. But the technology has its drawbacks: high cost and long response time.

IPS TFT display type
Smartphones, televisions, laptops, tablet computers, and phones with an IPS touch screen are now available, making it easy to control the functions of electronic devices. Japanese corporation "Iiyama" produces high-quality monitors that support projection-capacitive technologies. The monitor is resistant to external influences, transmits a high quality image. You can control it by touching a few fingers or using a magnetic pen.

Electronics companies are pushing new developments. For example, VA. The name can be translated as "vertical alignment". This is a compromise option that has been developed since 1996 and aims to combine the best of previous technologies. Of the successful modifications can be mentioned TFT U-IPS, TFT H-IPS. But the most promising are IPS matrices. Particularly great attention is paid to them by the company "LG", "Panasonic". Models of devices are created that have an IPS-TFT type of display (it was developed by Hitachi and NEC). In their manufacture, not only quality is taken into account, but also a well-thought-out design, as well as affordable prices.

Source: https://habr.com/ru/post/G25736/


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