At the CCBN2018 (26th China International Radio and Television Information Network Exhibition) theme conference held on March 21st, Ding Wenhua, an academician of the Chinese Academy of Engineering, said that in 2017, China’s 4K TV production was 33 million units, accounting for 4K TV sets worldwide. 42% of the total. It is estimated that by 2020, the number of 4K households in the world will exceed 340 million, and China will become the world's largest 4K TV consumer market.

Yang Qingxiang, vice president of research at WitsView, said that the TV market share of 4K TV has grown year by year with the expansion of TV size in recent years. In the seven years from 2012 to 2018, the market penetration rate of 4K TV has rapidly increased to over 40%, and the penetration rate of large-size 4K TV above 55 inches is more than 90%. 4K has become the mainstream resolution of large-size TVs. rate. However, TV size enlargement has limitations of indoor space. Small-size TV consumers are more concerned with cost than image quality. Therefore, the growth rate of 4K TV will be expected to decrease year by year. In the short term, 4K TV will still maintain a 40-50% market share, and in the long run it will depend on the popularity of the next generation 8K TV.

Lack of content

4K is a standard for video resolution size. For reasons of communication and understanding, the industry often uses the pixel values ​​in the horizontal direction of the image to represent the image size. In order to simplify the communication process, the pixel value is generally described by "K", where 1K is equivalent to 1024 pixels, and a few K means that the pixel value of each line in the horizontal direction of the image reaches or approaches several times of 1024.

In general, the resolution of the TV broadcast is 3840&TImes; 2160, which is 3840 pixels in the horizontal direction, and 2160 pixels in the vertical direction is 4K. The resolution of full HD 1080P video often mentioned in life is 1920 & TImes; 1080, only a quarter of the 4K ultra clear. It can be said that 4K represents more excellent clarity and richer details of the video.

Generally, measuring the ecological chain of the video industry is perfect and mature, and it cannot be separated from three standards: terminal, content, and network. Any link that becomes a short board will greatly affect the improvement of the ecological chain.

At present, the development of 4K has not been much problem on the terminal and on the network, but the lack of content has always been regarded as a roadblock for industrial development. Taking the domestic color TV market as an example, 4K products have already occupied half of the country. But in terms of content, the real 4K content is not enough.

However, Yang Qingxiang also pointed out that although the 4K film source is still very scarce, it still has no obstacle to the rapid growth of 4K TV sales, indicating that it is effective to drive the demand by hardware upgrade. He analyzed that the 4K film source involves the replacement of the recording device. The previous wave device has been upgraded to HD resolution. The content provider's device will be upgraded from HD to 4K in the short term, which involves the return on investment of the content industry and will be popular in the short term. Still difficult.

In fact, the shortcomings in content are gradually being added. On December 23, 2017, the Guangdong Broadcasting and Television Station 4K Ultra HD TV was launched and tested and became the first 4K ultra HD TV channel in China. Guangdong Province has also introduced a number of favorable policies in promoting the 4K industry.

The 4K TV set-top box, which was earlier than the TV station, also had better content reserves and mass base. Among the three major operators, China Mobile has released 4K services in many provinces. China Unicom also regards 4K as an important means of differentiation, and regards 4K high-definition video as the explosive business of the initial development of “Smart Warrior”. China Telecom proposed "to promote 4K HD in 2017 and achieve full HD in 2018." For Internet companies, in September 2017, Apple began rolling out 4K HDR movies in the iTunes store.

8K pressing

"In the past, display technology from analog signals to standard signals to high-definition signals was gradually advanced in one stage and one stage, but the current situation has changed with the era before HD. 4K TV has not matured yet, 8K TV has already Developed.” Senior analyst Liu Buchen pointed out that the current development of 4K TV is also facing the embarrassment of new technology maturity.

Currently, video technology has evolved from high-definition to ultra-high definition (4K, 8K). In this year's CES and AWS, mainstream color TV companies have basically launched 8K TV.

The terminal first has almost become the development law of the TV industry. The development of hardware will also promote the upgrading of all links of the information technology industry chain including upstream and downstream, including chips, display panels, video production, storage, network transmission, and standard setting.

In the future, as the resolution of video content increases, the demand for viewing will stimulate 8K to release more market space. Therefore, some insiders believe that the maturity of the 4K industry may be shelved because of the arrival of 8K. In fact, as early as 1995, NHK Japan conducted research on 8K technology. 8K radio and television imaging technology has also been experimentally applied in the 2005 Aichi Expo, the 2012 London Olympic Games, and the 2016 Brazil Olympic Games. The 2020 Tokyo Olympic Games will be broadcast live 8K.

In Liu Buchen's view, even if 8K is coming, the industry chain and technology will still be dominated by 4K in 3-5 years. "The real development of 8K TV is currently suffering from the industry chain, and 8K is still not popular in the short term. For example, content, transmission equipment, bandwidth."

Of course, the home appliance market is still optimistic about 4K TV. The industry believes that the demand for 4K TV panels will remain strong in 2018, not only in oversized or even 50-inch TVs. In the 60-inch or larger TV market, the sales ratio of ultra-high-definition TVs is expected to be the first this year. Will reach 99%.

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