OLED screen and LCD screen which is better part two

Disadvantages of OLED screens

Burn-in: The defects of OLED are also obvious and fatal. LCD screens are inorganic materials, and its aging speed is much slower than that of organic OLEDs. Therefore, the lifespan of OLED organic materials is not as good as that of LCDs, and it is more deadly. Since each pixel of OLED is self-luminous, instead of the entire block of LCD, it will cause the working time of each pixel of OLED to be different. Some pixels will display blue for a long time, so its blue The color attenuation will be more than that of other pixels, and the blue will become lighter and lighter in the future, so a phenomenon that OLED is very prone to is burn-in.

But screen burning is a very long process. Generally speaking, as long as the brightness of the phone is controlled below 60% in daily use, and the screen of the phone is guaranteed not to display a screen for a long time, the burned screen can be guaranteed to be visible to the naked eye after 3 years. , And the mobile phone will basically be replaced by that time. And Samsung's OLED can be replaced for free if the screen burns during the warranty period.

Therefore, some people who use OLED at low brightness will feel obviously uncomfortable. Therefore, before choosing an OLED screen, it is best to determine whether you can accept low-brightness PWM strobe before making a decision. It should be noted that, in fact, many low-end LCD screens are also PWM dimming. Don't think that LCD is all DC dimming. 

Low pixel density: The more pixels there are on the same screen area, the clearer the screen. However, the arrangement of the OLED screen pixels will cause the two mobile phones to have the same resolution, but the screen resolution will be less than 1/3. Therefore, in the case of the same resolution, the OLED screen is not as clear as the LCD, but the current mobile phone screen is quite clear, even the 1K resolution OLED 0.96 is difficult to see the pixels, but if you need to take the root for the horizontal contrast The number is down 2/3.

Summarize

The screen is composed of pixels, and each pixel is composed of three sub-pixels of red, green and blue. The color is developed by adjusting the ratio of red, green and blue of the sub-pixels; the imaging principle of LCD is to rely on the white backlight to penetrate the color film to develop colors; OLED The imaging principle relies on self-luminescence, so each pixel can work independently. LCD inorganic materials, OLED organic materials, so OLED life is not as good as LCD. Because OLED is an organic material and the pixels work independently, burn-in occurs. The essence of burn-in is uneven screen aging. The color of OLED is much better than LCD. OLED is oil painting and LCD is watercolor strokes. The OLED screen has almost no smear and has a fast response speed. OLED screen adopts PWM dimming, and strobe under low brightness will make some people feel uncomfortable. OLED pixel density is not as good as LCD at the same resolution. OLED is more power efficient than LCD screens, thinner, and can be greatly bent.