This thesis is focused on the study of the physics and the engineering of organic light-emitting diodes that will aid in the realization of efficient organic polariton LEDs.
This thesis investigates the use of the large-area, roll-to-roll compatible deposition technique of ultrasonic spray coating for the fabrication of polymeric organic light-emitting diodes (OLEDs).
Various design strategies have been proposed, explored and adopted to optimize TADF materials for OLED applications. Throughout the course of this thesis, a design strategy based on “through-space” interactions has been extensively explored to optimize the material and device parameters in TADF.
In this thesis, novel OLED structures including photonic crystal, Fabry-Perot resonance cavity and hyperbolic metamaterials were numerically simulated and theoretically investigated. Finite-difference time-domain (FDTD) method was employed to numerically simulate the light extraction efficiency of various 3D OLED structures.
This thesis studies the effect of host material on the model molecule 2d, a proven efficient TADF emitter through diligent photophysical investigation. A combination of steady state and nanosecond time resolved spectroscopic studies confirm the importance of a high host triplet level to ensure that the ICT state is the lowest energy excited state to avoid high levels of quenching.
The driving schemes proposed in this thesis address these challenges, in which, the sensitivity of the OLED current to the transistor variations is reduced significantly. This is achieved by comparing the data signal with a feedback signal associated with the pixel current by means of an external driving circuit through a column feedback line.
OLED: An emerging display technology Introduction An exciting technology has been available in many small devices such as cell phones and digital camera displays for the last 13 years. Soon it may available for use in larger standard office and home entertainment displays. The technology is organic light emitting diode (OLED).
In this thesis we have investigated GQDs for an emissive layer in all-solution-processed organic light emitting diodes (OLEDs). Our GQD-based OLEDs are designed and fabricated as two different structures: bottom emission configuration on ITO substrate and top emission configuration on p-Si substrate.
PhD THESIS IN IC DESIGN, FOCUSING ON new CMOS backplane architectures for OLED microdisplays CALLING ALL FUTURE EXPERTS IN IC-DESIGN! AT FRAUNHOFER MAKE THE MOST OF YOUR TALENTS BY JOINING OUR IC-DESIGN-TEAM. POSTS ARE IMMEDIATELY AVAILABLE FOR.
The present thesis shines light upon all the novelties in organic electronics research and is divided into five chapters for a better tracking of a transition from the fundamental theoretical properties to experimental solutions.
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Subject Technology and Engineering Year 2017 Publication type PhD Thesis Publication status published Alternative title. Toepasbaarheid van OLED-technologie in medische beeldschermen.
The content of theses may not be re-purposed or exploited for commercial gain without the explicit permission of the authors. UBC graduate students began submitting their theses online via cIRcle, UBC’s digital repository, in fall 2007, a practice that both simplified the submission process and also ensured the availability of this research to a global audience in a timely manner.
PhD Project: aiming to characterise Newtonian and non-Newtonian properties of inkjet fluids and identify the key parameters affecting drop impact and spreading processes.
It is demonstrated that a naphthalene diimide core disubstituted with triphenylamine can be used as a thermally activated delayed fluorescence emitter in organic light emitting diodes. Detailed spectroscopic studies demonstrated unusual host effects on the photophysical properties of this material. In partic.
Abstract. This work begins from depositing the same organic light emitting diode (OLED) structure on the glass substrate and the Polyethylene terephthalate (PET) substrate. The result suggests that the transparency of the substrates, the microcavity effect.
In this context, the PhD thesis is targeting a fine control of the interfacial properties of perovskite LED in order to improve both their performance and lifetime. Potential applications are related for example to visible light communications (VLC), even if the proposed strategies are relevant for photovoltaic energy conversion as well.
In this thesis, we work on the processes using external magnetic fields that can overcome these magnetic limitations. A major focus of this research is to enhance the performance of OLED, while at the same time to unravel the scientific mechanisms by which magnetic fields act on OSCs devices.
PhD Dissertation Materials Science Cycle XXVIII DESIGN AND SYNTHESIS OF SMALL-MOLECULES FOR NIR-OPERATING LIGHT SENSING AND EMITTING DEVICES PhD thesis of: Nunzio Francesco Buccheri Matr. N.:709312 Supervisor: Dr. Luca Beverina Coordinator: Prof. Giampaolo Brivio March 2016.