Water is the source of all things. The form beauty of water ripple pattern is perfectly integrated with the cultural beauty. It is a classic figure in the traditional Chinese pattern, and it contains a profound traditional cultural spirit. From the primitive society, the water worship, the philosopher's moral culture of the sages, the poetry and lyrics of the literati, the application of traditional elements in the props of life scenes, and the modern design are still optimized and integrated, and the ripples are in our lives. No holes, but also silently climbed everyone's LED display.
But the water ripple on the LED display has not been loved by everyone, and even can be said to be disgusting. Especially in some conferences, studios, live events, and many other places where photographs and videos are used, the water ripples on the live LED screens make the original perfect activities become more and more annoying through the spread of pictures and videos. .
It turns out that the beautiful screens of the people can complement each other, and the water ripple on the screen makes the screen drop several grades.
The severe water ripples made the live broadcast a natural mosaic, and even the background was not, and it completely lost its effect.
The reason for the flooding of the water ripple is that the refresh rate of the LED display used is insufficient. At the moment of photographing and imaging, the lines on some LED displays are not lit, and a series of water ripples are generated. Take a 1/4 scan, equipped with a normal cross-flow driver IC, and a screen with a refresh rate of 1000 Hz as an example. Set the exposure time of the camera to 1/1000 second, 1/500 second, 1/800 second, 1/2000 second. Let's take a look. Photo effect simulation map.
It can be seen that all the lines are illuminated twice at a shutter speed of 1/500 second, and the brightness is the best. At shutter speeds of 1/800 sec and 1/1000 sec, some lines are lit up once, resulting in different levels of water ripple. At a shutter speed of 1/2000 second, half of the lines are not lit, and the number of water ripples can be imagined. Therefore, it is best to achieve a refresh rate of 2 times the shutter speed, and there is no water ripple.
At a shutter speed of 1/2000 sec., the nearly 1000 refresh rate of a normal cross-flow driver IC and the 1920 Hz refresh rate of a dual-latch driver IC are not sufficient to avoid water ripple. Only the high-definition high-order PWM driver IC with a refresh rate of 3840Hz or higher can ensure that the LED display does not have water ripple when taking pictures. Powerful giant color equipped with a high-definition high-order PWM driver IC standard series LED rental display, refresh rate ≥ 3840Hz, no water ripples, how to shoot beautiful!
Fashion festival
Forum meeting
Wedding application
Live TV
Outdoor opening activities
Mall indoor activities
Conference
In the fashion festivals, forums, wedding applications, live TV broadcasts, outdoor opening activities, shopping malls, indoor events, conferences and other application scenarios, the powerful giant color standard series rental products are still clearly displayed in the face of a number of cameras and cameras. Beautiful, there is no trace of water ripples. In addition, the powerful giant color P3 and below products, high-density T series, standard series (rental), indoor S series, A series, etc. have been upgraded to high-definition high-order PWM driver ICs, bringing customers the ultimate visual experience.
Don't hesitate, don't wait, do a big LED screen, find a powerful color. HD high-end PWM driver chip 3840Hz refresh rate, brush out your beauty!
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