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>> OLED screen brightness did not imagine so poor or even lose the LCD screen 21th,June,2017
Why OLED screen in non-full-screen white when the brightness will become high? The reason is that the OLED panel and the general LCD panel light principle.
The LCD screen used by ordinary notebooks is illuminated by backlighting, and if the operating system needs to output 100% brightness, then the backlight will be raised to the maximum. And because of the backlight settings, different parts of the screen brightness will not be inconsistent problems. As long as set to 300nit, no matter which part, are to maintain uniform brightness.
How the OLED works
The OLED panel is also through each pixel itself to show their own light, we can imagine once dissatisfied with the LED light bulb wall, all the pixels are through their own brightness lighting.
In order to reduce the power consumption, the OLED screen can reduce the maximum brightness according to the number of light and luminous pixels needed. And OLED screen a pixel of white light will likely reduce the brightness, especially when the black is around, because black and white contrast, do not need so high brightness, so usually not reach such a high level. In addition, this can also extend the battery life, especially when using dark or black theme, you can achieve very power-saving effect.
Based on content auto-tuning
Screen specialists usually use a method called APL to test, full white screen for 100% brightness, black 0%, while the other colors are between the two. In each OLED panel, there is a relationship between APL and brightness, but not always a regular change.
The relationship between this screen brightness and APL is not only applicable to laptops, including tablet PCs and OLED televisions. For example, Soneira measured the Samsung Galaxy Note 7 screen at 1%, 50% and 100% of the three levels, the brightness were 639nit, 495nit and 418nit.
In real life, we are not free to choose the percentage of APL, and it is based on your different operations and changes. According to Soneira, white text, black font text documents APL about 90%, while the photos and videos are usually 15% -25% zhijian, while the full-screen page part of the 1080p resolution, about 65%.
Is the brightness important?
When it comes to OLED screen notebooks or other devices, brightness is usually not the most important factor. Theoretically, the brightness of the OLED screen can also meet the needs of our daily life, whether it is browsing the web, watching video, playing games or document editing. But the low brightness does not mean that the OLED screen is always less than the brightness of the LCD screen.
Since the brightness of each pixel of the OLED screen can be controlled separately, it can lead to greater contrast effects, which will make the content more clear. When we put OLED and non-OLED screen X1 Yoga notebook into the outdoor sun directly when compared, OLED because of the dimmable, text display (right) even more clear than the LCD.
In the indoor environment, the difference between the two is more obvious, not only the color is more vivid, and the viewing angle has become greater.
to sum up
OLED in the picture color and vitality are better than the LCD panel, while the brightness is better than the more obvious contrast and adjustability, so the same does not belong to the LCD. So if you can, we recommend that you try to buy equipment with OLED screen.
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