A few days ago, Yijia held a screen technology communication meeting in Shenzhen. At the meeting, Yijia's product manager shared Yijia's understanding of a good screen and gave an in-depth understanding of the technology behind the screen. Relying on the exclusive tuning algorithm Smooth Chain, together with the new 120Hz screen, it will achieve perfection in smoothness, accuracy and comfort. After leading the trend of high frame screen display in 2019, OnePlus will continue to provide users with a better 120Hz screen experience.

Smooth: full link optimization to achieve the industry's highest MEMC framing effect

Lightness and fluency have always been the insistence of Yijia to create products. This addition uses 120Hz OLED screens, which refresh 120 images per second. The operation time of each frame is as low as 8.3 milliseconds. A higher 120Hz refresh rate screen will bring a better basic experience. On the basis of the basic experience, Yijia has optimized the whole link from the touch layer to the display layer, so that the 120Hz high frame screen can give better play to its potential energy. While the picture is stable and smooth, it can also bring faster click response speed and touch response speed.

Even with a 120Hz screen, most videos on the market currently have only 24 or 30 frames, and the limitations of the content itself will affect the user experience. In addition, starting from this user pain point use scenario, the core technology MEMC adopted by high-end TV is now used on mobile phones with more stringent volume restrictions. The MEMC independent chip can insert video frames to a maximum of 120 frames, fully matching the 120Hz screen display, making the motion picture more coherent and smooth. MEMC refers to motion compensation technology. Its principle is to supplement the intermediate frame picture through pixel level motion vector calculation, and upgrade the content of the original low frame to the content of the high frame. The 120 frame insertion effect achieved by adding MEMC is the highest frame insertion effect that can be achieved on mobile phones at present.

Accuracy: 2K+resolution with high color accuracy, displaying 1.07 billion colors

An excellent screen can not be separated from true and accurate visual effects. One plus brings 2K+ultra clear resolution to the 120Hz screen, bringing clear display effect to users. At the same time, this 120Hz screen can achieve 10it color display effect, and can display up to 1.07 billion colors, 64 times the number of display colors of high-end mobile phone products such as iPhone 11 Pro Max, One Plus 7 Pro, and so on. The color display is exquisite and accurate.

Such a delicate and colorful screen requires more accurate color restoration. Generally, JNCD (Just Notifiable Color Difference) is used to measure the color accuracy. JNCD reflects the degree of color deviation. The smaller the value of JNCD, the more accurate the color display. In the industry, JNCD<2 is a recognized industry standard, and the test data of iPhone 11 Pro Max in the authoritative screen testing organization DisplayMate is JNCD<0.9. This time, we controlled the color level standard at JNCD<0.8, and added a precision color level detector on the production line to calibrate the color level of all mobile phone products, so that each 120Hz screen will meet or even exceed this color level standard.

Comfort: 4096 level automatic brightness dimming, the degree of delicacy is 4 times as high as before

In order to pursue a comfortable 120Hz screen experience, OnePlus has made a number of optimizations for different use needs in different scenes, so that the screen can automatically adjust brightness and color temperature more intelligently. As soon as the brightness sensor with higher light sensitivity is adopted, the level of automatic brightness dimming is raised to 4096, which is 4 times the screen brightness dimming level of ordinary flagship mobile phones. The screen brightness is more soft and natural when it changes. At the same time, the ambient light sensor will also adjust the temperature of the screen for the user according to the real-time environmental color temperature information, bringing the user a comfortable feeling in the complex light environment.

In addition to the screen itself will bring better experience, the product manager of OnePlus also said on the scene that in the future, OnePlus will cooperate with more video and game platforms to bring more content related to screen ecology, promote the overall development of the industry from high frame products to high frame ecology, and bring consumers a more high-quality and comprehensive user experience.

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