Visionox Accelerates V5 Project…Expanding Technological Foundation through Patent Agreement with SEL and Completion of Mask-less OLED Deposition Equipment Order

The key infrastructure processes for Visionox’s V5 project in China are progressing smoothly, signaling the full-scale preparation for next-generation OLED production. In parallel, Visionox has made a significant leap in securing core technological capabilities by signing a strategic patent license agreement with Japan’s Semiconductor Energy Laboratory (SEL).

The V5 line, currently under construction by Visionox in Hefei, Anhui Province, aims to move away from the conventional FMM (Fine Metal Mask) process and focuses on the production of mask-less OLED panels. To that end, the company is advancing its ViP (Visionox Intelligent Pixelization) technology—recently rebranded as mask-less OLED—as a next-generation high-resolution OLED manufacturing method.

Recently, Visionox successfully completed the roofing work for the V5 plant, wrapping up groundwork for major equipment installation. Core production equipment, including OLED deposition systems, has been ordered from AKT, a subsidiary of Applied Materials. Orders for additional essential equipment—such as exposure systems (Nikon), ion implanters (Nissin), and Excimer Laser Annealing tools—are also underway. The technical committee’s review for final investment approval of the V5 line shows positive progress.

In the meantime, Visionox has entered into a licensing agreement with SEL for core OLED-related patents. SEL holds a large number of fundamental patents related to LTPS (Low-Temperature Polycrystalline Silicon), oxide TFTs, and OLED driving technologies. The company is developing a lithography-based OLED process called metal maskless lithography (MML). Through this agreement, Visionox aims to reduce global patent risks and strengthen its technological competitiveness in mask-less OLED technologies and high-resolution panel design. Visionox’s mask-less OLED process is based on Applied Materials’ OLED Max (photolithography) technology. Unlike SEL’s approach, which performs cathode processing after the lithography step, OLED Max conducts lithography after forming both the cathode and encapsulation layers. Although SEL’s method may lead to shorter OLED material lifespan, it offers an advantage in improving process yield. The partnership with SEL is expected to become a major milestone in Visionox’s push toward commercialization of next-generation OLED technology.

With progress in the V5 project and expanding global technological partnerships, Visionox plans to continue reinforcing its leadership in the global OLED market through initiatives such as establishing a national-level R&D institute in Kunshan, diversifying AMOLED applications, and improving asset efficiency for sustainable, technology-driven growth.

Changho Noh, Analyst at UBI Research  (chnoh@ubiresearch.com)

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