With the rise of the 5G era, Micro LED technology is gaining momentum as the next-generation mainstream display technology, ideal for ultra-high-definition displays. This cutting-edge technology offers a wide range of advantages, including high resolution, brightness, color saturation, reliability, low power consumption, low latency, narrow bezels, and long lifespan. These qualities make Micro LED technology suitable for diverse applications, from large-size UHD video walls and smart screens to medium and small-sized automotive displays, smartwatches, and various other consumer electronics like VR/AR devices, signaling a promising future ahead.
NationStar‘s Breakthrough with nStar Ⅱ
Following the launch of its first-generation glass-based transparent passive driving Micro LED display module—nStar Ⅰ—NationStar Optoelectronics has recently introduced its second-generation Micro LED product, nStar Ⅱ. The nStar Ⅱ is a 3.5-inch, glass-based, full-color Micro LED display screen with a pixel pitch of 300 micrometers (P0.3) and an 8-bit (256 grayscale) color depth driven by TFT technology. Developed on NationStar’s independent Micro LED technology innovation platform, nStar Ⅱ overcomes dual technical challenges in mass transfer and bonding, achieving an impressive 99.99% yield. This breakthrough is expected to have extensive applications in large-size splicing smart screens and other high-definition display products.

Advanced Micro LED Display Technology: nStar Ⅱ
The nStar Ⅱ glass-based active drive Micro LED display uses mass transfer technology to bond Micro LED microchips onto a glass substrate, utilizing TFT driving to produce high-definition image displays. The use of a TFT glass substrate with ultra-fine line structures across a large area is an ideal choice for integrating more miniaturized and higher-density LED chips. The active-drive TFT backplane not only ensures independent pixel control in the Micro LED module, preventing pixel crosstalk but also significantly reduces power consumption and enhances display brightness uniformity.
NationStar’s Leadership in Micro LED Innovation
As a leader in LED packaging technology, NationStar Optoelectronics established the Mini & Micro LED Research Center in China in 2018 and later founded the Guangdong Province Semiconductor Microdisplay Key Laboratory in 2020. These initiatives aim to strengthen collaboration with academic institutions and industry partners, integrate resources across the industrial chain, address technical challenges in the microdisplay sector, and overcome technological development bottlenecks to advance Mini/Micro LED industrialization.
NationStar has achieved breakthroughs in several key Micro LED technologies, including mass transfer, eutectic bonding, quantum dot full-colorization, inspection and repair, and high-reliability packaging. The company has filed over 100 invention patents in the Mini/Micro LED field. Going forward, NationStar will focus on high-end smart screens, automotive displays, and smartwatches using glass-based Micro LED technology, while prioritizing AR display applications using silicon-based Micro LED technology.
The Future of Micro LED Technology
In the digital age, the display industry serves as a cornerstone for upgrading information consumption, enhancing the digital economy, and advancing the electronic information sector. The era of Mini/Micro LED is rapidly approaching, and NationStar Optoelectronics is leading the charge, poised to drive the next wave of innovation in display technology.
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