Lee has sought to expand Samsung's business into automotive electronics components.
It is noted that these attachments are part of the three-year investment plan with a total volume of 180 trillion won, aimed at creating new jobs and providing new sources of growth.
The company has been hit by a series of scandals in recent years.
Samsung will boost its investment into tech businesses by $160bn (£123.6bn) over the next three years, in an effort to prop up South Korea's place in industry while advancing its profit. The investments will be focused on artificial intelligence, 5G network technology, electric components for cars of the future, and biopharmaceuticals. The new investment is expected to indirectly lead to about 700,000 jobs in related industries and businesses in South Korea, Samsung said without giving a time frame.
Samsung Electronics is now the world's largest smartphone-maker but also boasts a very strong semiconductor business that supplies chips to the companies such as Apple. Samsung has been beefing up its contract drug making operations to help counter a potential decline in its mainstay electronics businesses.
The company's investment announcement came two days after the finance minister visited a Samsung computer chip factory, where he touted Samsung's importance in Asia's fourth-largest economy.
Lee was freed after almost a year in jail but former President Park Geun-hye and a close associate remain imprisoned for bribery and other charges.
Samsung said 130 trillion won, or 72 percent of the amount, will be allocated to South Korea.
Chung said reformist President Moon Jae-in's campaign to clip the wings of the country's powerful family-run conglomerates, known as chaebols, appeared to be losing steam in the face of stonewalling business groups which are "wielding prospects for investment as their weapons".
Samsung Group, South Korea's biggest family-controlled conglomerate, said Wednesday that it will invest 180 trillion won (about 160 billion US dollars) and hire 40,000 more employees for the next three years.