In 2009, the 4K concept first appeared at the High tech Expo held in Japan, where companies such as Panasonic, Sharp, and Toshiba used 4K × When the liquid crystal and plasma terminal products produced by 2K high imaging technology are presented to global experts, it indicates that after 1920 × After 1080 full HD technology, 4K will become the future development trend.

In 2014, the Chinese television industry was "turbulent", but the television terminal industry flourished everywhere. Since last year, almost all Almost all's TV manufacturers have launched 4K TVs, with specifications ranging from 39 to 65 inches. Internet companies such as LeTV and Xiaomi have also launched smart LCD TVs that support 4K broadcasting. TCL Chairman Li Dongsheng once stated in an interview, "From the perspective of competition, traditional TV manufacturers will continue to dominate in 2014. The proportion of 4K products in large screen LCD TVs above 48 inches will increase, and the proportion of 4K products above 55 inches may reach over 30% in the future." It is not difficult to see that the 4K TV industry is in line with the clear and large screen needs of consumers, and the industry chain is gradually entering a better situation. It is precisely verified that all revolutions start with tools, and the rapid development of 4K display terminals is bound to drive the stable operation of the entire industrial ecosystem.

Since Chinese consumers began to come into contact with 4K TVs in 2013, 4K has quickly gained recognition in the domestic market. According to the results of an online survey conducted by a third party, 43.38% of respondents considered purchasing 4K TVs within 1-2 years, 33.97% held a wait-and-see attitude towards the 4K terminal market, and 76.99% of respondents first considered image quality when making purchases. This also indicates that consumers are more concerned about the hardware such as graphics and sound effects of 4K terminal products. Nowadays, in addition to increasing demands for hardware and technology, consumers are paying more attention to overall service quality. The Dolby sound system paired with 4K TVs, exclusive 4K bandwidth for playback, and 4K film sources are important factors to consider. Therefore, in order to equip a complete audio-visual terminal at home, a combination of display terminals, signals, bandwidth carriers, and content is also necessary.

According to the official website of BIRTV (Beijing International Radio Film and Television Equipment Exhibition), an exhibition news article titled "BIRTV2014 4K Development is Unstoppable" was published on August 6th. The article stated that "4K" is undoubtedly the most popular keyword in the radio and television industry this year, and it is also the focus of this year's BIRTV exhibition. The opening of the article emphasized that high-quality content is the core competitiveness of radio and television, and the continuous pursuit of perfect images and image quality, It is the goal of the evolution of broadcasting, film and television technology, and also a main line of industry development. For domestic and foreign enterprises and consumers who already have mature 4K display terminal technology, in order to achieve 4K results, in addition to the need for 4K terminal products, the improvement of 4K content and transmission channels matched with 4K TV has become a prerequisite for playing 4K movies.

It is mentioned in the article that at present, Jiangsu Cable has broadcast 4K ultra HD programs, although not live 4K ultra High-definition television TV messages