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>> Why does the LCD screen lose to the AMOLED screen? 12th,April,2019
Everyone knows that the quality of the screen has always been one of the main factors that many mobile phone users pay attention to. The screen of the mobile phone is not only very different in size, but also has its own characteristics on different brands of screens.
Today, according to media reports in Taiwan, Samsung is increasing production of its own AMOLEDP screens, with shipments reaching 560 million units, an increase of 114% compared to 2015, due to the original use of LCD screens this year. Mobile phone manufacturers have given up the LCD screen. And replaced by Samsung's AMOLED screen, of course, there is a key reason is that Apple will use AMOLED screens next year, and Samsung is expected to produce 50 million AMOLED screens for Apple next year, which is expected to reach 2019. The scale of 120 million pieces, on the contrary, a series of reasons, LCD screens will be marginalized, but the spring of MOLED screen will gradually come.
In addition, the LCD screen is technically lost to the MOLED screen, I will summarize for you.
First of all, in principle
LCD This is the abbreviation of Liquid Crystal Display. The full name of Chinese name is liquid crystal display. The driving method of LCD can be divided into Active Matrix and Passive Matrix. Most of the LCD screens used in mobile phones are Active Matrix. All the pixels of the LCD need to rely on a unified backlight layer to emit light, which means that the LCD needs to be illuminated by the backlight to display.
In contrast, AMOLED displays are much simpler. Although they rely on a series of complex organic thin film materials to achieve the goal of illuminating, his biggest advantage is that each pixel has a high degree of controllability. Each pixel can be independently switched, so that it can be independently illuminated.
Secondly on the color gamut
The illumination source of the LCD will be simpler and there is not much color in it. Strictly speaking, there is no wavelength corresponding to white light in the world. White light can only be a variety of mixed colors. LCD can only pass The backlight + phosphor way to produce a white backlight, the most commonly used is a combination of blue backlight = yellow phosphor. So LCD screens are usually a bit bluish or greenish. Of course, considering that LCDs usually use blue backlights, this is not the case.
At this point, the AMOLED screen will look a lot better, because its screen color is very good, especially when displaying white, it is very similar to real white, and one point is that compared to LCD screen, The AMOLED screen will be richer in the sense of the screen, the color gamut will be wider, it can display more colors, and the displayed image will be more pleasing. Therefore, in the color gamut, the AMOLED screen is superior.
Finally in general
Although the LCD screen is better to compete with the AMOLED screen, it has tried to make up for its lack of color. If you want the LCD screen to look richer, you can do it on the color saturation, but this method destroys the color. Balance, so if you like a brighter color, you'd better choose a good AMOLED screen with color balance control. In addition, in the LCD screen, the viewing angle and screen response speed can only be limited by one light. The angle passes through the liquid crystal molecules and the polarizing plate, so the viewing angle is smaller than that of the AMOLED screen. The reaction speed of the LED is also faster than changing the voltage of the liquid crystal molecules, so the screen response time is also the AMOLED win.
In fact, the advantages of AMOLED screen in terms of power consumption thickness and display effect are more prominent than LCD screens, and the cost is also declining. Together with the international big manufacturers Samsung or Apple and domestic mobile phones, AMOLED screens in the future industry. The development will achieve considerable results.
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