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Flexible organic lighta??emittinga??diodea??based photonic skin for attachable phototherapeutics
摘要： Phototherapeutics is both safely noninvasive and can be employed to treat a light variety of sites and diseases. Current rigid and bulky conventional light sources, such as LED or laser-based phototherapy devices, are difficult to transport and use for regular irradiation treatments. To solve this problem, flexible organic light-emitting diode (OLED) light sources are the best candidates, and if applied very thinly as a skin-like platform, the ultimate attachable phototherapeutics can be realized. We demonstrated a very thin flexible OLED-based photonic skin with a total thickness of 6 μm for application in attachable phototherapeutics. It was optimized by controlling the peak wavelengths (600–700 nm) and irradiation interval of the flexible OLED thus improving the regeneration effect of the artificial skin by up to 70%. In addition, when the flexible OLED-based photonic skin was attached to a dressing film before being applied to the skin, it delivered the same electro-optical properties, while protecting against external contamination. The OLED skin on the dressing film had an operating lifetime of more than 100 h. These results confirmed the applicability of flexible OLED-based photonic skin to various light treatment areas, such as surgical wounds that require periodic irradiation.
关键词： wound-healing,regeneration,photonic Skin,dressing,flexible OLED,phototherapeutics
更新于2025-09-23 15:19:57
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Promising Hybrid Graphene-Silver Nanowire Composite Electrode for Flexible Organic Light-Emitting Diodes
摘要： Thanks to its high transparency, high carrier mobility, and thermal conductivity, graphene is often used as transparent conductive electrode (TCE) in optoelectronic devices. However, the low carrier concentration and high resistance caused by vacancy defects, grain boundaries, and superposed folds in typical graphene films limit its application. In this study, we propose a method to increase both the conductivity and carrier concentration in single-layer graphene (SLG) by blending it with silver nanowires (AgNWs). AgNWs provide connections between grain boundaries of graphene to improve charge-carrier transport. The AgNWs in this study can reduce the resistance of SLG from 650 Ω/? to 27 Ω/? yet still maintain a transmittance of 86.7% (at 550 nm). Flexible organic light-emitting diode, with a maximum 15000 cd m?2 luminance was successfully fabricated using such graphene and AgNWs composite transparent electrodes.
关键词： Silver nanowires,Graphene,Transparent conductive electrode,Optoelectronic devices,Flexible OLED
更新于2025-09-11 14:15:04
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P-10.2: The Influences of PECVD Deposition SiNx on the Thin Film Encapsulation Performance
摘要： Low-temperature PECVD technology was used to fabricated inorganic layer in thin film encapsulation for AMOLED display. We systematically obtained SiNx films in different RF power. Stress and refractive index was characterized and analyzed to study the film performance. The results shows that different RF power leads to different film stress, and well-designed stress-matched multilayer SiNx will highly improve the TFE reliability. Furthermore, the RA life time (60 °C, 90% RH) of OLED displays with new multilayer SiNx inorganic layer TFE structure has been sharply increased from 240hours to 480hours.
关键词： PECVD,SiNx,Thin Film Encapsulation,Flexible OLED
更新于2025-09-10 09:29:36