Our new paper entitled “Adjustable white-light emission from a photo-structured micro-OLED array” published in Light: Science & Applications discusses an approach towards micro-OLED arrays made of differently emitting sub pixels without non-emissive areas. This is achieved using orthogonal lithography techniques in a way that only the first OLED unit is structured while the next one to follow is made in a “fill-the-gap” approach. In this conceptual demonstration, we pair blue and yellow OLEDs in a stripe layout, which can be addressed individually for complete color tunability. Feature sizes of the stripes are down to 20 micrometer.
Tomorrow, Wednesday March 30, we have two sessions at our Symposium EP1: Organic Excitonic Systems and Devices.
EP1.2: Organic Emitters
The morning focus will be on the emitters itself, where we will here recent progress on various molecular concepts for high performance luminescence. This will include the fundamental studies that excel our current understanding of these emitters. Some things that we will see:
- Design rules for TADF emitters
- Crystalline OLED emission layers for nearly perfect emitter alignment
- Investigation of exciplex emission (electric field dependence and charge separation)
- Nickel-Tetra-Mesityl-Porphoyrin photophysics
- Platinum complexes for high efficiency, color pure blue OLEDs
- Control of molecular orientation
- TADF emitters for LECs and OLEDs
- Biluminescence for optical sensing
- Photophysics of H- and J-aggregates
Our invited speakers of the morning are: Andrew Monkman, Wolfgang Brütting, and Frank Würthner.
EP1.3: Organic Lasers
In the afternoon we switch gears – Its laser time. With the basis of the laser tutorial we had on Monday, we should be all set for some interesting contributions related to laser physics with organics. Important: Due to a serious illness of one of our speakers, the program of the first part of the EP1.3 session has been updated. We will start at 2:00pm rather than the originally planned time of 1:30pm. Please refer to the online program for the latest updates!
Here are some details to the post-lunch session:
- Condensate physics with organic polaritons
- Tunable, narrow line width solid-state lasers
- LED-pumped organic lasers (planar integration) based on luminescent concentration
- Self-assembled colloidal lasers
- Low threshold up-converted laser
- Strong coupling in organic microcavities
- Solvent nano imprint lithography of polymer lasers
- Photoluminescence enhancement in nano cavities
Our afternoon invited speakers are: Stéphane Kéna-Cohen and Alexander J. Kuehne.
Again, a lot of cool and interesting things to look forward to. See you tomorrow!