LG Display moved to improve its technology-centered structure by increasing the number of patents despite global uncertainty.
According to the 2025 business report that LG Display disclosed on the 11th, the cumulative number of domestic and overseas registered patents as of last year was 70,335. The number registered during last year came to 4,073.
Performance stood out in tandem and LTPO (low-temperature polycrystalline oxide) organic light-emitting diode (OLED) fields.
Last year, LG Display's research and development expense was about 2.2114 trillion won, and it continued to strengthen technological competitiveness amid global economic uncertainty.
It was a slight decrease from the previous year (2.2374 trillion won), but the company said this was the result of improving unnecessary expense through the introduction of AX (AI transformation) and continuing "selection and concentration."
For example, if a task that requires 10 trial productions is pre-trained with AI to minimize errors and reduced to one, production expense for research and development can be greatly cut. The higher the deposition expense in OLED technology, the greater the effect of reducing trial production expense, which is expected to reach several billion won.
In June last year, LG Display reduced the average design time from four weeks to eight hours through its self-developed irregular (異形) display panel "Edge design AI algorithm." AI was also introduced into optical design that optimizes OLED color variation by viewing angle, enabling development that takes more than five days to be completed in eight hours.
LG Display said that R&D streamlining through AX led to qualitative growth in OLED research and development performance, a high value-added technology. It succeeded in developing a laptop OLED product that applies the "Primary RGB Tandem 2.0" technology, which stacks the three primary colors of light in independent layers to emit light, and tandem OLED technology with long lifespan, high brightness, and low power consumption. It is also focusing on securing business viability by developing affordable SE products through cost innovation.