DI Corporation
Corporate brand
UnclaimedDI Corporation is a South Korean semiconductor company that manufactures and supplies semiconductor testing equipment and computer chips.
Last updated August 26, 2026
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Overview
DI Corporation is a South Korean technology company whose name derives from Dongil. Its business is associated primarily with semiconductor test equipment and computer chips, placing it within the equipment and component segments of the semiconductor supply chain. The company is headquartered in Seoul’s Gangnam District and has operated as a publicly listed enterprise since its listing on the Korea Exchange in 1996. The company was established on June 10, 1955. Its long operating history predates South Korea’s later emergence as a major semiconductor manufacturing center, and DI Corporation subsequently developed activities connected with the production and supply of equipment used to test semiconductor devices. Semiconductor testing is an important stage in chip manufacturing because it helps identify electrical and functional defects before components are shipped to customers or integrated into larger systems. DI Corporation has also been described as being involved in computer-chip production or supply, although the available reference material does not provide a detailed breakdown of its product portfolio, manufacturing sites, or customer base. DI Corporation began expanding beyond South Korea in 2003, when it established DI Japan Corp. This move marked a step toward serving overseas customers and participating more directly in the Japanese market, which has long been significant in semiconductor materials, equipment, and electronics. The available sources do not specify the full extent of the company’s international subsidiary network or current geographic revenue mix. The company attracted unusual public and investor attention in 2012 because of its family connection to South Korean musician PSY, whose song and music video “Gangnam Style” became an international phenomenon. PSY’s father, Park Won-ho, was DI Corporation’s executive chairman, and PSY, his father, uncle, and grandmother were reported to own a combined 30 percent of the company. This association led to a sharp rise in market interest and share-price speculation even though the entertainment success was not presented as a change in DI Corporation’s semiconductor business. Reuters reported that the company’s market capitalization reached 113.5 billion won, equivalent to approximately US$101.29 million at the time, in late September 2012 after the release of “Gangnam Style.” Bloomberg later described an almost 500 percent rally in the shares, while The Economist likened the episode to historical speculative bubbles. By the end of 2012, the shares were reported to have risen approximately eightfold from their level before the song’s release. These figures describe a historical market episode rather than the company’s operating performance, and the available material does not establish that the company’s fundamentals increased at a comparable rate. DI Corporation’s brand identity is therefore rooted in industrial semiconductor technology rather than consumer-facing products. Its public profile has nevertheless been shaped by the temporary overlap between its listed-company status, family ownership, and the global popularity of PSY. Beyond the 2012 share-price episode, the supplied references provide limited information about later management, financial performance, product generations, acquisitions, marketing campaigns, or current corporate structure.
History
DI Corporation was established on June 10, 1955, in South Korea. The company’s name is associated with Dongil. It developed as an industrial technology business involved in semiconductor test equipment and computer chips, sectors that support the manufacture, qualification, and supply of semiconductor devices. The company became a publicly traded enterprise when it was listed on the Korea Exchange in 1996. Public listing gave DI Corporation access to capital-market financing and made its ownership and share-price movements more visible to investors. The available reference material does not provide a detailed account of its early products, original founders, plant locations, or changes in corporate ownership before the listing. In 2003, DI Corporation expanded internationally by establishing DI Japan Corp. The Japanese operation represented the company’s entry into an overseas market and aligned with Japan’s importance in electronics and semiconductor-related industries. The sources supplied do not describe the subsidiary’s detailed activities, later expansion, or whether additional foreign subsidiaries were created. DI Corporation’s most widely reported episode occurred in 2012. PSY, the South Korean singer whose “Gangnam Style” became a global hit, was the son of executive chairman Park Won-ho. PSY, his father, uncle, and grandmother were reported to hold a combined 30 percent of DI Corporation. As the song and its video gained international attention, investors focused on the family connection, causing the company’s shares to rise dramatically. Reuters reported a market capitalization of 113.5 billion won, approximately US$101.29 million at the time, in late September 2012. Bloomberg described an almost 500 percent increase in the share price, while The Economist used historical speculative bubbles as a comparison. By the end of 2012, the stock was reported to have risen about eightfold from its level before the song’s release. The 2012 episode was primarily a market-perception event rather than a documented transformation of DI Corporation’s semiconductor operations. The available material does not identify a corresponding product launch, acquisition, capacity expansion, or change in business strategy caused by the rise in attention. Nor does it provide enough information to assess the company’s subsequent performance, current ownership, leadership, or product mix. DI Corporation is therefore best characterized as a South Korean semiconductor equipment and component company whose public profile was temporarily amplified by its association with one of the most successful global pop-culture events of 2012.
- 2012
Share-price surge associated with “Gangnam Style”
[1]Investor interest surged after the international success of PSY’s “Gangnam Style” highlighted his family’s connection to DI Corporation.
- 2003
International expansion into Japan
[1]The company established DI Japan Corp. as part of its overseas expansion.
- 1996
Listed on the Korea Exchange
[1]DI Corporation became a publicly listed company on the Korea Exchange.
- 1955
Company established
[1]DI Corporation was established on June 10, 1955, in South Korea.
Products and positioning
An industrial semiconductor technology company focused on equipment and components used in chip production and testing, with a South Korean base and overseas activity including Japan.
Semiconductor manufacturing equipment
Semiconductor test equipment
DI Corporation is described as manufacturing and supplying equipment used to test semiconductor devices. Such equipment supports the identification of electrical and functional defects during semiconductor production. The supplied sources do not specify individual equipment models, testing architectures, customer segments, or current product generations.
Semiconductor components
Computer chips
The company is also described as being involved in computer chips. The available reference does not clarify whether this activity consists of manufacturing, supplying, packaging, or another form of semiconductor-related production, and it does not identify specific chip families or end markets.
Brand decisions
2003
Establishment of DI Japan Corp.StrategyBackground
DI Corporation sought to expand its operations beyond South Korea and participate more directly in the Japanese market.
Action taken
The company established DI Japan Corp.
Aftermath
The move marked the company’s documented overseas expansion. The supplied material does not provide later performance or operational details for the Japanese entity.
Sources1 sources
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