“We will support the mass production of MicroLED TV.” TETOS provides side wiring boards to Samsung

South Korean small and medium-sized enterprises are attracting attention as they support the core process of the Samsung Electronics MicroLED TV manufacturing process. MicroLED TV is a product that Samsung Electronics is promoting as a next-generation strategic product.

TETOS announced on the 16th that it had started supplying “LED cells” for Samsung Electronics’ MicroLED TVs. The company explained that it had received approval for mass production from Samsung Electronics and started supplying it, with mass procurement expected to occur in the first half of the year.

TETOS supervises the process of implementing the wiring on the side of a 12.7 inch glass substrate. The circuit line where the current flows is made on the side of the substrate by the self-developed three-dimensional sputtering method.

MicroLED TV is a TV that uses tiny light-emitting diodes (LEDs) that are almost invisible to the naked eye as pixels. Since tens of millions of LEDs must be used to manufacture a TV, LED modules are designed for manufacturing efficiency and they are connected as a tiled structure to create a finished product. 49 modules are used for an 89 inch TV and 64 modules are used for a 101 inch TV. The size of the TV is determined by the number of modules.

Therefore, the “connection between modules” is very important in the production of MicroLED TVs. Each module should be connected in all directions such as up, down, left and right to send and receive signals smoothly, and the connection wire between the modules is the side wiring made by TETOS.

Woo-young Ahn, CEO of TETOS, said, “If the sputtering method is used, even if dozens or hundreds of MicroLED cell glass substrates are connected, there is no gap between the substrates. The MicroLED TV can be freely expanded in size and shape.

In terms of the manufacturing process, the display company is responsible for implementing the thin film transistor (TFT) on the glass substrate, and TETOS adds the side wiring. Samsung Electronics will manufacture and market the TV as an end product by transferring MicroLED to the completed PCB.

Samsung Electronics is known for revamping the printing method and laser engraving technology for the importance of side wiring until now. In reviews for several years, spray technology has been chosen ahead of quality and productivity.

TETOS expects mass supply around July, when MicroLED TV is expected to be sold out in earnest. Starting at 15,000 units (based on 12.7 inches) in July, the number is expected to increase to 100,000 units by 2023.

TETOS plans to be listed on the KOSDAQ market in the second half as a special technology. To this end, the designation audit and the technical evaluation will be completed by the end of March.

TETOS was founded in 2010. Developed electromagnetic shielding film and solderable and spray equipment for semiconductor packaging. It is a risky company that has developed its own technology and has Innobiz certification.

By Staff Reporter Geun-il Ryu (ryuryu@etnews.com)