Introduction: PlayNitride‘s Breakthrough in Micro LED Technology
PlayNitride, a leader in LED technology, has achieved a significant milestone. Chairman Lee Biing-jye recently announced that the company’s gross margin surged to over 30% in the second quarter of 2024, a remarkable recovery from nearly -10% in the first quarter of 2023. This turnaround is largely due to increased production and a notable 50% reduction in Micro LED expenses, reinforcing PlayNitride’s position in the display technology market.
Market Potential of Micro LED Technology
At the 2024 PlayNitride LED Technology Forum, Lee discussed the present and future landscape of Micro LEDs. While he acknowledged that these new LEDs are not yet ready to replace existing LCD or OLED panels, he highlighted their potential for future adoption. He mentioned that Samsung’s LED televisions have already appeared in major South Korean department stores, signaling rising market acceptance. The growing demand is driving costs down, especially as output per transistor doubles every 12 to 18 months, potentially leading to a further reduction in prices and accelerating broader usage.
Mass Transfer Technology: A Key Driver of Cost Reduction
One of the main factors contributing to the sharp decline in LED costs is advancements in mass transfer technology. According to Lee, this technology merges the semiconductor and display panel industries, allowing for the placement of third-generation compound semiconductor chips onto backplanes more efficiently.
The industry’s focus has shifted from whether mass transfer is feasible to optimizing how many chips can be transferred at once. Recent advancements have significantly increased transfer quantities, leading to substantial cost savings. This improvement has proven crucial for PlayNitride, strengthening its leadership in the LED sector.

Unique Advantages of Micro LED Technology
This new LED technology provides several distinct advantages over traditional displays. Lee noted that LEDs offer ultra-high brightness, making them ideal for transparent displays and large-format screens. These screens can be easily combined to create expansive, high-resolution displays.
The small size of the LED chips also makes them suitable for wearable devices, such as smart glasses. Their ultra-thin, flexible nature makes them perfect for next-generation foldable phones. These features are driving interest across different sectors, reducing expenses through economies of scale.
Strategies for Accelerating Micro LED Adoption
To keep reducing costs and increasing adoption, PlayNitride is focusing on building partnerships throughout the supply chain. Lee emphasized the need for more customer engagement and collaboration to support growth. Following the successful sale of its production lines in 2022, PlayNitride has also boosted equipment sales this year, paving the way for broader industry acceptance.
Industry Insights: AUO and Ennostar on Micro LED Technology
Paul Peng, Chairman of AUO and Ennostar, offered his perspective on recent advancements in LED technology. He observed that the image quality of LED panels has greatly improved over the past five years. Beyond large displays, the high brightness and small size of these chips offer a wide range of uses. Ennostar plans to apply these capabilities to popular optical communication products, demonstrating the expanding versatility of LEDs.
Future Outlook for Micro LED Technology
As costs continue to fall and applications broaden, the LED industry is poised for substantial growth. PlayNitride’s achievements, including a robust Q2 margin and reduced production costs, highlight the technology’s promise. With continued innovation and strategic partnerships, LED displays are set to revolutionize the industry in the coming years.
Source: CNA
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