Samsung is a South Korean multinational conglomerate headquartered in Samsung Town, Seoul. It comprises numerous affiliated businesses, most of them united under the Samsung brand, and is the largest South Korean chaebol (business conglomerate).

Samsung was founded by Lee Byung-chul in 1938 as a trading company. Samsung entered the electronics industry in the late 1960s. Samsung has been the world's largest television manufacturer since 2006. The great sales of its premium QLED TV selection is thought to have played a part. 

 

Samsung secured its place as the world’s largest TV manufacturer by recording 30.9 percent market share in the fourth quarter of 2019 in terms of sales. It was the first time the South Korean tech giant recorded more than 30 percent market share.

According to en.wikipedia & donga.com