Speaking of smartphones and tablets, the features of the screen section are clearly of interest to users. In addition to size and resolution, the key to determining the display effect is obviously the screen material. Basically, mainstream technologies in the market today include LCD (liquid crystal) and OLED (organic light-emitting diode), among which IPS panel technology and AMOLED (active matrix organic light-emitting diode) are derived. So, what is the difference between the display effects of the two screens? Let's talk about it together.
IPS is brighter and wider, AMOLED is more vivid and more energy efficient
First of all, IPS is a panel technology, the essence of which is still LCD, which is what we often call LCD screens. The advantage of IPS technology is that it improves the slow response speed of the liquid crystal, enhances color performance, and brings a wider viewing angle. In terms of products, mainstream vendors such as Apple, LG, and HTC all use IPS on mobile devices. Interestingly, LG is pushing OLEDs in the TV field, but mobile devices are sticking to IPS, and rival Samsung is the opposite.
AMOLED is an improved version of OLED, and Samsung's Super AMOLED is one of the derivatives. Compared with LCD screens, AMOLED continues the OLED black performance and contrast, while improving brightness and saving power. Based on this, Samsung has further optimized Super AMOLED, including calibration color gamut and brightness enhancement. The performance of the latest model S6 has been greatly improved compared with the previous one.
In fact, it is not difficult to find through comparison that the AMOLED screen is more vivid than the IPS display, the color tone is warmer, and relatively more power-saving, but the disadvantage is that the reading effect in sunlight is still unsatisfactory; and the brightness of IPS is higher, sunlight Readability and display angle are better, but more power-hungry, colder color effects will also be slightly bluish when displaying black and white images.
Of course, for many insensitive users, the two screen materials may not be different, they are constantly developing to make up for their own shortcomings, and how to choose may be more depending on their preferences.
I believe that many of my friends have seen it on the Internet or heard it from a friend. Setting the screen to a dark or black background can help save power, and the manufacturer will set some themes for black and white in order to extend the battery life. Mainly color. This should be a more reliable statement, and the author must be more realistic in a responsible attitude. Of course, the hello in the title is also to add a bit of suspense to the whole article. The netizens in the province have already known the answer without reading the article.
Of course, as a comparison, we have included two types of screens for the mainstream market, AMOLED and IPS. As the screen, the display principle of the two screens is really different, so at the beginning of the article, Come to the first screen knowledge of small science.
Arrange the displayed pixels by displaying the pixels of the three primary colors one by one
LCD screen structure
The first thing we should know first is that all current color display devices use red, blue and green three primary colors for synthesis, and another key point is pixels, which is what we call the clarity of mobile phone screens, etc. The key to the problem. In fact, the IPS screen and the TFT screen we are talking about are essentially the same as the LCD liquid crystal screen. The IPS panel is better than the TFT in the display characteristics because it controls the liquid crystal deflection technology. Screen (others also have TN panels, MVA panels, etc.). Since the structure is the same, I can see from the above figure that what we can clearly see is that the backlight is working. This is the root cause of the problem of light leakage that many people are talking about.
OLED structure
In contrast, AMOLED screens are very different in terms of structure and lighting. In fact, before the advent of smartphones, OLED technology will rarely be applied to civilian-grade products, and Samsung's many AMOLED and Super AMOLED screens make people slow. Slow contact with the OLED technology. OLED organic light-emitting diodes carrying dyes can emit color light by themselves, and shoulder the mission of "backlight + filter", which has a huge gap with the use of LCD screens in light.
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