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Nova Technology Mini LED Display Quality Improvement Technology

"With the development of miniaturization, the dot pitch has become smaller and smaller, and the number of pixels has become more and more. The real problem is how we can transfer these data to the display screen, and at the same time make the structure of the display screen simple. "He Guojing, vice president of Nova Technology, said at the "2020 High-tech LED Annual Conference".

From December 14th to 15th, the "2020 Gaogong LED Annual Meeting" titled by Zhaoyuan Optoelectronics was held at the Hyatt Hotel in Shenzhen Airport.

As an annual event in the LED industry, this annual meeting has received strong support from more than 40 companies in the LED industry chain and flat panel displays. Nearly 1,000 industry professionals have signed up for the event, and the scene is full of people.

Nova Technology: Mini LED display quality improvement technology

In the special display products and applications titled by Lehman Optoelectronics, He Guojing, vice president of Nova Technology, delivered a keynote speech on "Mini LED Display Image Quality Improvement Technology". According to He Guojing, the controller and the receiving card are collectively referred to as the LED display control system. The control system is one of the core components of the display screen.

With the increase of pixels, the complexity of the control system also increases due to the increase in the number of network cables. In important occasions such as the Spring Festival Gala and the Olympic Games, how to improve the stability of the entire system and make the system installation process more concise and faster becomes important. The key part of this.

"The control system is like the human brain and nerves. It determines how to transmit data to each LED light and control it for display. The control system is the most important part of the display. Many technologies are controlling whether it is good or bad. System completion. "He Guojing believes that the essence of display from a technical point of view is "more pixels" and "better pixels."

With the development of display miniaturization, the dot pitch becomes smaller and smaller, and the number of pixels becomes more and more. The real key issue is how to transmit these data to the display screen, and at the same time make the structure of the display screen simple.

"1080P is now the standard, and 4K has begun to spread in a large area, so more work to be done is to solve the interface problem." He Guojing said, Nova has developed a pure 8K interface, and how big it wants to be through 8K splicing The display is all right, and this is where Mini/Micro LED or LED is far ahead of the core competitiveness of other display technologies such as LCDE and OLED.

He Guojing said that when the LED dot pitch becomes smaller, the light mixing phenomenon will become more serious and the uniformity will be affected. This requires the introduction of better cameras, the introduction of CIE-XYZ filters to simulate human eye perception, and the development of new The algorithm solves the problem of light mixing, and solves the problem that it is difficult to obtain the color and value of the lamp during the COB correction process.

As we all know, the display or image is presented through the grayscale performance ability and color performance ability of the display screen.

He Guojing said that the most feedback in the LED display field is that the gray scale of the screen is not fine enough, the gray scale display is not accurate enough, and the color performance is not accurate enough.

In response to these problems, Nova Technology has developed image quality engine technology.

"We now have 22bit+, which can achieve precise grayscale control, and the highest accuracy can achieve 0.002nits, which means that our current technology has reached the cinema-level standard." He Guojing said that Nova's image quality engine technology can To achieve fine gray scale calibration and intelligent color management.

Intelligent color management can make color reproduction more realistic. "This is based on the principle of color gamut adjustment by color mixing. In this way, the color gamut space of the display can be accurately controlled, so that the display can express colors more accurately."

"From a technical point of view, image quality can be decomposed into five dimensions: spatial resolution, grayscale resolution, time resolution, color gamut range, and dynamic range." He Guojing said that these five dimensions form Nova's technology group, which supports Mini/ Micro LED high-quality display enables Mini/Micro to gain a larger market share in the process of competing with liquid crystal, projection, and OLED.

The 2020 High-tech LED Annual Conference, titled by Zhao yuan Optoelectronics, lasted for two days. More than 30 corporate representatives delivered wonderful keynote speeches on hot topics such as Mini/Micro LED, UVLED, small-pitch LED, smart lighting and health lighting. More For information on the 2020 Gaogong LED Annual Conference, please pay attention to the follow-up report of Gaogong's new display!