Search Results - "Werner, Ansgar"

Exceptionally efficient organic light emitting devices using high refractive index substrates by Mladenovski, Saso, Neyts, Kristiaan, Pavicic, Domagoj, Werner, Ansgar, Rothe, Carsten

“…Organic light emitting devices (OLEDs) are now used in commercial cell phones and flat screen displays, but may become even more successful in lighting…”
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Contact Doping and Ultrathin Gate Dielectrics for Nanoscale Organic Thin-Film Transistors by Ante, Frederik, Kälblein, Daniel, Zschieschang, Ute, Canzler, Tobias W., Werner, Ansgar, Takimiya, Kazuo, Ikeda, Masaaki, Sekitani, Tsuyoshi, Someya, Takao, Klauk, Hagen

“…To suppress undesirable short‐channel effects in organic transistors with nanoscale lateral dimensions, aggressive gate‐dielectric scaling (using an ultra‐thin…”
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Low-voltage organic electroluminescent devices using pin structures by Huang, Jingsong, Pfeiffer, Martin, Werner, Ansgar, Blochwitz, Jan, Leo, Karl, Liu, Shiyong

“…We have realized a small-molecule organic light-emitting diode where the intrinsic emitter layer is sandwiched by n- and p-doped transport layers with…”
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Leuco Crystal Violet as a Dopant for n-Doping of Organic Thin Films of Fullerene C60 by Li, Fenghong, Werner, Ansgar, Pfeiffer, Martin, Leo, Karl, Liu, Xianjie

“…The triphenylmethane dye crystal violet (CV) and its leuco base, leucocrystal violet (LCV), are investigated as dopants for n-type doping of fullerene C60…”
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PIN OLEDs - Improved structures and materials to enhance device lifetime by Birnstock, Jan, Canzler, Tobias, Hofmann, Michael, Lux, Andrea, Murano, Sven, Wellmann, Philipp, Werner, Ansgar

“…— Currently, three issues are identified that decide upon the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting…”
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36.5: Late-News Paper: The Light Distribution in OLEDs and Ways to Increase the Light Outcoupling Efficiency by Werner, Ansgar, Rothe, Carsten, Denker, Ulrich, Pavicic, Domagoj, Hofmann, Michael, Mladenovski, Saso, Neyts, Kristiaan

“…Power efficiency of organic light emitting devices (OLEDs) is in the focus of worldwide research in order to reduce power consumption of displays and to…”
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17.2: White OLED Structures using Molecularly Doped Charge Transport Layers by Werner, Ansgar, Burghart, Markus, Murano, Sven, Schneider, Oliver, Stübinger, Thomas, Limmert, Michael, Blochwitz-Nimoth, Jan

“…White emitter systems are studied in OLED using doped charge transport layers. Mature fluorescent white diodes combining high efficiency with lifetimes…”
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Low Operating Voltage and High Efficiency Organic Multilayer Electroluminescent Devices with p-Type Doped Hole Injection Layer by Huang, Jingsong, Pfeiffer, Martin, Blochwitz, Jan, Werner, Ansgar, Salbeck, Josef, Liu, Shiyong, Leo, Karl

“…We demonstrate efficient organic electroluminescent devices with multiple well structure and a p-doped hole injection and transport layer (HTL). The multiple…”
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Leuco Crystal Violet as a Dopant for n-Doping of Organic Thin Films of Fullerene C 60 by Li, Fenghong, Werner, Ansgar, Pfeiffer, Martin, Leo, Karl, Liu, Xianjie

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30.3: Invited Paper: AMOLED Manufacturing - Challenges and Solutions from a Material Makers Perspective by Murano, Sven, Gilge, Kai, Ammann, Martin, Werner, Ansgar

“…The paper describes fundamental material properties required for modern day evaporation based AMOLED manufacturing and shows how material manufacturers have to…”
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35.2: Invited Paper: Improving Efficiency Without Compromising Lifetime in Blue Fluorescent OLEDs by ETL Design by Rothe, Carsten, Wallikewitz, Bodo, Zöllner, Mike, Fadhel, Omrane, Werner, Ansgar

“…Typically, efficiency and lifetime of blue fluorescent OLEDs are intimately linked to each by an inverse trade‐off: long lifetime implies low efficiency and…”
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n-Type Doping of Organic Thin Films Using Cationic Dyes by Werner, A., Li, F., Harada, K., Pfeiffer, M., Fritz, T., Leo, K., Machill, S.

“…We present an approach to stable n‐type doping of organic matrices using organic dopants. In order to circumvent stability limitations inherent to strong…”
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Electrical Compensation of OLED Luminance Degradation by Chaji, G.R., Ng, C., Nathan, A., Werner, A., Birnstock, J., Schneider, O., Blochwitz-Nimoth, J.

“…This letter presents a stable compensation scheme for active-matrix organic light-emitting-diode (AMOLED) displays based on the observed strong interdependence…”
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High-efficiency p-i-n organic light-emitting diodes with long lifetime by Wellmann, Philipp, Hofmann, Michael, Zeika, Olaf, Werner, Ansgar, Birnstock, Jan, Meerheim, Rico, He, Gufeng, Walzer, Karsten, Pfeiffer, Martin, Leo, Karl

“…— High‐performance organic light‐emitting diodes (OLEDs) are promoting future applications of solid‐state lighting and flat‐panel displays. We demonstrate here…”
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37.3: Air-stable Electron Transport Materials for Low-voltage OLEDs by Canzler, Tobias W., Langguth, Oliver, Bloom, Francisco, Rosenow, Thomas, Murano, Sven, Rothe, Carsten, Werner, Ansgar

“…In this paper, we describe the use of a new air‐stable generation of n‐doped electron‐transport layers for OLEDs. The proper combination of hosts and dopants…”
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54.3: Distinguished Paper : White Stacked OLED with 35 lm/W and 100,000 Hours Lifetime at 1000 cd/m 2 for Display and Lighting Applications by Birnstock, Jan, He, Gufeng, Murano, Sven, Werner, Ansgar, Zeika, Olaf

“…The three critical parameters to determine the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting applications, are:…”
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54.3: Distinguished Paper: White Stacked OLED with 35 lm/W and 100,000 Hours Lifetime at 1000 cd/m2 for Display and Lighting Applications by Birnstock, Jan, He, Gufeng, Murano, Sven, Werner, Ansgar, Zeika, Olaf

“…The three critical parameters to determine the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting applications, are:…”
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White stacked OLED with 38 lm/W and 100,000‐hour lifetime at 1000 cd/m 2 for display and lighting applications by He, Gufeng, Rothe, Carsten, Murano, Sven, Werner, Ansgar, Zeika, Olaf, Birnstock, Jan

“…Abstract— The three critical parameters in determining the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting…”
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White stacked OLED with 38 lm/W and 100,000-hour lifetime at 1000 cd/m2 for display and lighting applications by He, Gufeng, Rothe, Carsten, Murano, Sven, Werner, Ansgar, Zeika, Olaf, Birnstock, Jan

“…— The three critical parameters in determining the commercial success of organic light‐emitting diodes (OLEDs), both in display and lighting applications, are…”
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35.2: Improved Efficiency and Lifetime by Tailoring the Charge Carrier Supply in OLEDs by Rothe, Carsten, Werner, Ansgar, Fadhel, Omrane, Limmert, Michael, Canzler, Tobias W., Birnstock, Jan

“…The electron and hole supply into the recombination zone of an OLED is of crucial importance to achieve optimum performance. By adjusting the energetic levels…”
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