Wonpung Co., Ltd., which has grown based on its apparel business, is accelerating its next-generation display business that it has been fostering as a future growth driver. Wonpung announced on the 30th that it has signed a “Memorandum of Understanding (MOU) for Strategic Technological Cooperation in the Field of Hybrid Bonding for Commercialization of Next-Generation MicroLED Displays” with Sundiode, a microLED specialist based in Silicon Valley, United States.

Wonpung is a KOSDAQ-listed company focused on manufacturing and selling men’s fashion apparel. Founded in 1972, it supplies menswear products, including imported brands and its own brands, to domestic and overseas markets.

Sundiode is a microLED specialist headquartered in Silicon Valley in the United States. Unlike the conventional horizontal arrangement of displays, it has developed a “3D vertically stacked microLED” technology that stacks red, green, and blue (RGB) sub-pixels vertically. This technology reduces the process of transferring individual pixels while still enabling ultra-high-resolution implementation. It was awarded the “Best Prototype Award” at SID Display Week 2023, organized by the Society for Information Display (SID).


Under this agreement, Wonpung will participate in the hybrid bonding manufacturing process, a key back-end process required for the commercialization of Sundiode’s next-generation microLED technology. Hybrid bonding is a core process for realizing ultra-high-resolution microLED displays and is drawing attention in the semiconductor and display industries as a next-generation packaging technology.

The two companies will first pursue cooperation with the goal of mass-producing augmented reality (AR) displays for defense applications. They plan to later expand the scope of applications to medical devices, AI-based beauty devices, and precision sensors. Through this collaboration, Wonpung aims to secure key back-end process technology for next-generation displays and to advance its microLED business, in which it has been investing, into a full-scale commercialization phase.

A Wonpung official stated, “This collaboration with Sundiode is an important opportunity to secure a core role in next-generation microLED production processes,” adding, “We will expand our business into diverse fields such as defense and healthcare to secure new growth drivers.”

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