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1 October 2023 Morphing organic electroluminescence into different shapes and forms
Malte C. Gather
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Proceedings Volume PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII; PC126590N (2023) https://doi.org/10.1117/12.2678397
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
This talk will summarize a number of current efforts in our group to realize organic electroluminescence in devices with unconventional form-factors, powering strategies, and mechanical characteristics. Examples include our extensive work on the monolithic integration of OLEDs on CMOS backplanes with extreme aspect ratios, which allows dense, pixelated arrays via direct physical vapour deposition of organic semiconductors on functional silicon. Furthermore, recent progress in development of miniature OLEDs with wireless power supply is introduced. This work uses the magneto-electric effect instead of the traditionally used RF coils. Again, direct deposition, in this case on the power harvesting material, enables substantially more compact devices than alternative inorganic approaches. Finally, liquid-type electro-chemiluminescent devices are introduced that can be fabricated in an extremely facile manner by injecting a solution of suitable organic semiconductors through a microfluidic channel into a pre-fabricated cell with opposite electrodes. The development of a new emission pathway allows us to dramatically improve the brightness and efficiency of these devices over the state-of-the-art.
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© (2023) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Malte C. Gather "Morphing organic electroluminescence into different shapes and forms", Proc. SPIE PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII, PC126590N (1 October 2023); https://doi.org/10.1117/12.2678397
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KEYWORDS
Electroluminescence
Organic light emitting diodes
Organic semiconductors
Electrodes
Microfluidics
Physical vapor deposition
Power supplies
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