Product Introduction:
Quantum dot color conversion (QDCC) inks are advanced functional materials developed for next-generation display technologies. Through precise material design and formulation control, QDCC inks enable efficient color conversion, transforming excitation light into highly pure red or green emissions. Their excellent optical tunability and compatibility with printing processes make them particularly suitable for the fabrication of modern high-performance display devices.
The formulation of QDCC inks integrates several key components that work synergistically to achieve stable and efficient optical performance. QDs serve as the primary luminescent materials, providing narrow emission spectra and high color purity. A UV-curable polymer resin acts as the binder in the formulation. After curing, it forms a solid and durable film while helping maintain the stable dispersion of the QDs. In addition, light-scattering particles are often introduced to enhance light management within the film, improving color conversion efficiency and emission uniformity. This carefully engineered structure allows QDCC inks to form uniform layers with reliable optical properties after printing and curing.
QDCC inks demonstrate excellent dispersion stability and smooth printing performance, enabling consistent jetting behavior and compatibility with a wide range of printing heads and printing systems. These characteristics facilitate precise material deposition and reliable pattern formation during large-scale manufacturing processes. After curing, the resulting films exhibit low shrinkage and strong structural integrity, which helps maintain uniform film thickness and stable device performance. In addition, the carefully optimized formulation enables the color conversion layer to deliver uniform light emission and wide viewing angles, thereby improving the overall visual quality of display panels. Finally, the embedded QDs possess high color conversion efficiency and strong optical absorption capability, allowing excitation light to be efficiently converted into bright and saturated emission and ultimately enhancing display brightness and color performance.
By depositing these inks onto blue light-emitting diode (LED) or micro-LED backlight systems through printing or coating techniques, the QDs convert blue light into highly pure red and green emissions, enabling displays with improved color accuracy and wider color gamut. As a result, QDCC inks are commonly applied in liquid crystal display (LCD) backlight systems, mini-LED and micro-LED displays, and other next-generation display devices, where they help enhance brightness, color performance, and overall display efficiency.
| Cd-based QDCC Ink | ||||||
| Catalog Number | Color | PL Emission | FWHM | QY | 450nm Abs | EQE |
| NM-QD0320 | Blue | 460 nm | <25 nm | >80% | OD=0.1~0.2/um | 30-40% |
| NM-QD0321 | Cyan | 480 nm | <25 nm | >80% | OD=0.1~0.2/um | 30-40% |
| NM-QD0322 | Green | 530 nm | <25 nm | >80% | OD=0.1~0.3/um | 40-50% |
| NM-QD0323 | Yellow | 580 nm | <25 nm | >80% | OD=0.1~0.3/um | 40-50% |
| NM-QD0324 | Red | 630 nm | <25 nm | >80% | OD=0.1~0.3/um | 40-50% |
| InP-based QDCC Ink | ||||||
| Catalog Number | Color | PL Emission | FWHM | QY | 450nm Abs | EQE |
| NM-QD0325 | Green | 525 nm | <45 nm | >70% | OD=~0.1/um | 30-40% |
| NM-QD0326 | Red | 630 nm | <45 nm | >70% | OD=~0.2/um | 30-40% |
Alfa Chemistry offers a diverse portfolio of high-quality QDCC inks designed to meet the evolving demands of advanced display technologies. Our product range covers a broad emission spectrum, enabling customers to select QD inks with precisely tuned optical properties for different device architectures. Besides our standard products, we also offer flexible product customization services. If you are interested in our products, please feel free to contact us.
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