On August 11, Yu Chengdong, CEO of Huawei's consumer business, issued a document entitled "notice on the establishment of display driver product field in terminal chip business department", according to the disclosure of "Chang'an digital king" on Sina Weibo. The content shows that Huawei needs to make up for its shortcomings, and plans to set up a department to make screen driver chips and enter the screen industry.

 

The so-called screen driver chip is actually a special driver chip for LED display screen. This is a chip designed to provide compensation current for LED, which acts as the interface between microprocessor and LCD.

 

At first glance, it seems that this kind of screen driver chip does not have any particularly important components, but it is actually a key component. Its importance is even comparable to that of the central nervous system of the human brain, and it is in charge of the "body movement" and "brain thinking" operation of the device.

 

It is understood that, in fact, Huawei started related projects as early as the end of 2019, and Huawei Hisilicon's first OLED driver has been streaming. At present, Huawei's Hisilicon chips mainly have five series, namely Kirin chip in the field of mobile phone consumer equipment, Kunpeng chip in the field of server, shengteng chip in the field of artificial intelligence, Baron chip in the field of 5g mobile phone baseband, Lingxiao chip in the field of home router. Huawei's entry into the screen driver chip market this time is expected to accelerate the realization of domestic substitution and get rid of the dependence on foreign technology.

 

The following is part of the document "notice on the establishment of display driver product field by terminal chip business department" released by "Chang'an digital Jun":

 

Although China has become a big screen production and export country, screen driver chips are mainly imported. In 2019, BOE will purchase more than 6 billion yuan of screen driver chips, of which domestic chips account for less than 5%.

 

LED display special driver chip refers to the driver chip specially designed for LED display according to LED luminous characteristics. The maturity of LED display driver IC technology brings a qualitative leap for the display effect of LED display. With its characteristics of high output current and constant current, LED display can be applied to various occasions with high current and high image quality, which directly promotes the development of LED display content form and application field towards a more diversified direction.