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Abstract : In this presentation, the concept of printed displays and their positioning in display field were introduced, the competitive advantages of printed OLED technology compared to other OLED technology and major technological breakthroughs of printed OLED were analyzed. Finally, new demands and challenges of printed OLED were proposed.

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Abstract : As devices integrate advanced features, energy consumption increasingly drives design. UDC will present advances in its pioneering energy-efficient, high-performing OLED materials and technologies for diverse applications—smartphones, laptops, monitors, TVs, automotive displays, and beyond—unlocking next-generation display solutions worldwide.

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Abstract : Augmented Reality (AR) smartglasses are emerging as a key interface for AI applications, and substantial efforts have been dedicated to realizing lightweight, affordable, and visually compelling devices. This talk explores the recent trends behind immersive AR displays, covering optical architectures, display technologies, sensor integration, and rendering techniques. Plastic reflective waveguides are highlighted as a case study for achieving low weight and cost-efficiency through precision injection molding.

Abstract : BT.2020 has gained significant attention recently as the only existing color gamut that can fully cover all the colors seen in nature. However, achieving BT.2020 remains one of the most technically demanding challenges for the display industry. Prior to the emergence of quantum-dot (QD) technology, reaching 100% sRGB coverage was difficult; for example, most notebook displays at that time averaged only around 70% sRGB, while televisions—then the best-performing consumer displays—approached 90–100% sRGB. Broader adoption of color gamut beyond sRGB began only after the introduction in 2013 of QD Enhancement Film (QDEF^®).. In 2014, TCL and Hisense brought QDEF-based products to market targeting the NTSC gamut, followed by Samsung’s QD TVs approaching 100% DCI-P3 coverage in 2015. That same year, Vizio introduced its R-series TV, achieving approximately 87% BT.2020 coverage.
This rapid progression was no coincidence: QD technology was the first affordable solution capable of enabling color gamuts far wider than sRGB (Rec. 709). Quantum dots are known for their narrow-band emission, a key enabler of wide color gamut performance. Their nanosecond-scale response time also makes them highly compatible with LED local-dimming backlight systems. By integrating QD technology with miniLED backlights, today’s production TVs can deliver industry-leading color volume and dynamic range, achieving peak luminance up to 10,000 nits and black levels below 0.01 nits—while maintaining power and cost profiles suitable for high-volume markets.
In this invited talk, we review the transformation of display color quality enabled by QD technology and examine recent advances in QD materials and integration methods that unlock the next wave of consumer displays targeting full BT.2020 performance.

Abstract : LORDIN has solved major OLED challenges—process complexity, color instability, and high voltage—while lifetime remains the final hurdle. With ZRIET and ZETPLEX, LORDIN positions itself at the forefront of next-generation blue OLED commercialization and global expansion.

Abstract : High yield and productivity in micro-LED chip transfer and bonding are essential for commercialization, yet current technologies face critical limitations. This presentation introduces high-speed, large-area transfer and bonding technologies to enhance manufacturing capability and enable micro-LED display commercialization.

Abstract : Various VR/AR products have been released in the market over the past two or three years and have been evaluated by consumers. It is about the recent changes in the market and the challenges of Chinese display companies.

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Abstract : Mini and micro-LED technologies have become essential components in the advancement of ultra-high-definition automotive displays, AR glass applications, smart watches, and large-format televisions exceeding 80 inches. As mass production demands escalate, the minimization and remediation of defective pixels remain critical technical challenges for maintaining stable production yields. To address this, we introduce the Automated Multi-functional Repair (AMR) system, which integrates advanced laser trimming and cleaning technologies with ultra-fine electrohydrodynamic (EHD) inkjet printing. This system utilizes high-performance functional nano-inks and a precise one-by-one chip transfer process to achieve high-resolution, uniform repairs. The AMR system features advanced laser modules compatible with multiple bonding methods, including anisotropic conductive film (ACF), solder bumps, and silver paste. Experimental results indicate that EHD inkjet printing can generate conductive bonding pads (ink) as small as 7 μm while maintaining a positional accuracy of approximately 2 μm during the pick-and-place process. Consequently, the system achieved a lighting success rate of 99% for transferred LEDs, confirming its potential to significantly enhance productivity for next-generation display applications.

Abstract : With the development of augmented reality (AR) and near-eye display (NED) technologies, the importance of precision measurement equipment that can accurately simulate real human visual experiences is increasing. This study aims to present the design requirements and optimized performance of a dedicated lens system (LMK EyeFit) and Small Light Source (Laterna magica) to solve the optical and mechanical constraints that occur when measuring AR displays while complying with international standards IEC 63145 and IDMS 1.3.

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