Academic literature on the topic 'Organic electrophosphorescent diodes'

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Journal articles on the topic "Organic electrophosphorescent diodes"

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Cocchi, M., D. Virgili, V. Fattori, J. A. G. Williams, and J. Kalinowski. "Highly efficient near-infrared organic excimer electrophosphorescent diodes." Applied Physics Letters 90, no. 2 (January 8, 2007): 023506. http://dx.doi.org/10.1063/1.2430926.

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Li, Huanhuan, Ye Tao, Runfeng Chen, Guohua Xie, Chao Zheng, and Wei Huang. "Carbazole/oligofluorene end-capped hexanes: solution-processable host materials for phosphorescent organic light-emitting diodes." Journal of Materials Chemistry C 5, no. 18 (2017): 4442–47. http://dx.doi.org/10.1039/c7tc00103g.

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Wu, Fengshou, Jie Li, Hongbo Tong, Zaoying Li, Chihaya Adachi, Adam Langlois, Pierre D. Harvey, et al. "Phosphorescent Cu(i) complexes based on bis(pyrazol-1-yl-methyl)-pyridine derivatives for organic light-emitting diodes." Journal of Materials Chemistry C 3, no. 1 (2015): 138–46. http://dx.doi.org/10.1039/c4tc01885k.

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Gang, Yang, Zhang Di, Wang Jun, Jiang Quan, Zhong Jian, Yu Jun-Sheng, Zhu Feng-Zhi, Luo Kai-Jun, Xie Yun, and Xu Ling-Ling. "Nondoped Electrophosphorescent Organic Light-Emitting Diodes Based on Platinum Complexes." Chinese Physics Letters 26, no. 7 (July 2009): 077804. http://dx.doi.org/10.1088/0256-307x/26/7/077804.

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Chang, Bum Jin, Jong Hyeok Park, Kwang Hee Lee, Yong Chul Kim, Jae-Woong Yu, and Jai Kyeong Kim. "Characteristics of emissive bilayers in electrophosphorescent organic light-emitting diodes." Current Applied Physics 6, no. 4 (July 2006): 658–62. http://dx.doi.org/10.1016/j.cap.2005.04.015.

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Chen, Lingcheng, Shumeng Wang, Zhimin Yan, Junqiao Ding, and Lixiang Wang. "An oligocarbazole-encapsulated heteroleptic red iridium complex for solution-processed nondoped phosphorescent organic light-emitting diodes with over 10% external quantum efficiency." Journal of Materials Chemistry C 5, no. 23 (2017): 5749–56. http://dx.doi.org/10.1039/c7tc00145b.

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Yao, Bohong. "Applications of phosphorescent organic light emitting diodes." Highlights in Science, Engineering and Technology 26 (December 30, 2022): 52–58. http://dx.doi.org/10.54097/hset.v26i.3642.

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Organic light-emitting diodes (OLED) materials have been widely applied in many fields, among which phosphorescent OLED materials have more and more attention due to their luminescence efficiency and performance. At present, the luminescence layer of many OLED devices adopts phosphorescent materials as the main body to achieve a better visual experience for users. The research and development of blue electrophosphorescent materials are not mature enough. The two big aspects including color purity and the service life are major problems, and many researchers are now working on research methods of conquering the blue phosphorescent OLED materials shortage. In this article, fluorescent and phosphorescent OLED materials have been mentioned. The applications and branches of phosphorescent OLED materials are described. The article also analyzes the shortcomings of phosphorescent OLED and explained the reasons, mainly thermal activation delay fluorescence (TADF). Its purpose is to reduce the expensiveness of phosphorescent OLED materials. Meanwhile, the luminescence efficiency of fluorescent materials can be greatly improved. Additionally, the basic principles of luminescent OLED materials and the applications of phosphorescent OLED materials are also illustrated, including the prospect of blue phosphorescent OLED materials.
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Krummacher, Benjamin C., Mathew Mathai, Franky So, Stelios Choulis, and Vi-En Choong. "Light Extraction From Solution-Based Processable Electrophosphorescent Organic Light-Emitting Diodes." Journal of Display Technology 3, no. 2 (June 2007): 200–210. http://dx.doi.org/10.1109/jdt.2007.895361.

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Wu, G. M., H. H. Lin, and K. Y. Cheng. "High Efficiency Organic White-Light-Emitting Diodes with Dual Electrophosphorescent Layers." Advanced Science Letters 19, no. 1 (January 1, 2013): 16–20. http://dx.doi.org/10.1166/asl.2013.4685.

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Lei, Gangtie, Liduo Wang, and Yong Qiu. "Multilayer organic electrophosphorescent white light-emitting diodes without exciton-blocking layer." Applied Physics Letters 88, no. 10 (March 6, 2006): 103508. http://dx.doi.org/10.1063/1.2185255.

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Dissertations / Theses on the topic "Organic electrophosphorescent diodes"

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Haldi, Andreas. "Patternable electrophosphorescent organic light-emitting diodes with solution-processed organic layers." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/26533.

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Thesis (Ph.D)--Electrical and Computer Engineering, Georgia Institute of Technology, 2009.
Committee Chair: Kippelen Bernard; Committee Member: Brand Oliver; Committee Member: Bredas Jean-Luc; Committee Member: Dupuis Russell D.; Committee Member: Smith Glenn S.. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Knauer, Keith Anthony. "High-performance single-unit and stacked inverted top-emitting electrophosphorescent organic light-emitting diodes." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53480.

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This thesis reports on the design, fabrication, and testing of state-of-the-art, high-performance inverted top-emitting organic light-emitting diodes (OLEDs). The vast majority of research reports focuses on a device architecture referred to as a conventional OLED which has its anode on the bottom of the device and its cathode on the top. Moreover, most conventional OLEDs are bottom-emitting such that light exits the structure through both a semitransparent bottom electrode of indium-tin oxide and a glass substrate. The particular device architecture developed in this thesis is one in which the devices are inverted (i.e. their cathode is on the bottom as opposed to on top) and top-emitting. Despite the advantages that inverted top-emitting OLEDs possess over conventional bottom-emitting OLEDs, their development has been relatively slow. This is because inverted OLEDs have traditionally been hampered by the difficulty of injecting electrons effectively into the device. In this work, a novel method of injecting electrons from bottom cathodes into inverted OLEDs is discovered. In several previous reports, bottom Al/LiF cathodes had been used with the electron-transport material Alq3 to produce inverted OLEDs, but the resulting inverted OLEDs exhibited inferior performance to conventional OLEDs with top cathodes of Al/LiF. A new route for the development of highly efficient inverted OLEDs is shown through the use of electron-transport materials with high electron mobility values and large electron affinities. After systematic device optimization, inverted top-emitting OLEDs are demonstrated that currently define the state-of-the-art in terms of device efficiency. Optimized green and blue inverted top-emitting OLEDs are demonstrated that have a current efficacies of 92.5 cd/A and 32.0 cd/A, respectively, at luminance values exceeding 1,000 cd/m2. Finally, this discovery has enabled the development of the first stacked inverted top-emitting OLEDs ever made, combining all of the advantages offered by an inverted architecture, a top-emissive design, and a stacked structure. These OLEDs have a current efficacy of 200 cd/A at a luminance of 1011 cd/m2, attaining a maximum current efficacy of 205 cd/A at luminance of 103 cd/m2.
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Brouillac, Clément. "Systèmes π-conjugués donneur-accepteur : composés spiro et nano anneaux pour des diodes organiques électrophosphorescentes." Electronic Thesis or Diss., Université de Rennes (2023-....), 2023. http://www.theses.fr/2023URENS097.

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L’électronique organique (EO) s’articule autour de l’utilisation des semi-conducteurs organiques (SCOs). Les diodes organiques électroluminescentes (OLEDs) font partie des technologies électroniques les plus matures et sont déjà présentes dans nos smartphones, ordinateurs et téléviseurs. Durant cette thèse, nous nous sommes particulièrement intéressés à l’élaboration de matrices hôtes pour la seconde génération d’OLEDs : les diodes organiques électrophosphorescentes (PhOLEDs). Deux design moléculaires différents ont été conçus avec deux objectifs différents. Le premier objectif consiste à développer de nouvelles matrices hôtes utilisant l’architecture Donneur-spiro-Accepteur pour des PhOLEDs monocouches, qui sont des dispositifs simplifiés utilisant seulement les électrodes et la couche émissive. Ces travaux ont conduit à la fabrication de PhOLEDs monocouches des trois couleurs présentes dans un pixel (rouge, vert et bleu), et des couleurs pour l’éclairage (jaune et blanc). Des records de performances ont été obtenus. Le deuxième objectif consiste à développer de nouveaux SCOs appelés nano-anneaux. Après un chapitre bibliographique analysant les performances des nano-anneaux en EO, nous présenterons une étude de structure/propriétés de nano-anneaux donneur-accepteur. Ces travaux, nous ont permis de mieux comprendre les propriétés singulières de ces composés cycliques à base de carbazoles, qui ont ensuite ont été incorporés dans des PhOLEDs multicouches pour évaluer leurs performances en tant que matrice hôtes. Ces travaux représentent les premiers exemples du domaine
Organic electronics (EO) is based on organic semiconductors (OSCs). Organic light-emitting diodes (OLEDs) are among the most mature EO technologies and are already present in our smartphones, computers and televisions. During this thesis, we were particularly interested in the development of host materials for the second generation of OLEDs: organic electrophosphorescent diodes (PhOLEDs). Two different molecular designs have been elaborated with two different objectives. The first objective was to develop new host materials using the Donor-spiro-Acceptor architecture for single-layer PhOLEDs, which are simplified devices using only the electrodes and the emissive layer. This work has enabled the fabrication of single-layer PhOLEDs in the three colours present in a pixel (red, green and blue) and in the colours used for lighting (yellow and white). Device performance records have been obtained. The second objective was to develop new SCOs, with a cylindric shape, called nanohoops. After a bibliographic chapter analysing the performance of nanohoops in EO, we present a structure/properties study of Donor-Acceptor nanohoops. This work enabled us to gain a better understanding of the unique properties of these carbazole-based nanohoops, which were then incorporated into multilayer PhOLEDs to measure their performances. This work provides the first exemples of the field
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Book chapters on the topic "Organic electrophosphorescent diodes"

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Liu, Zhiwei, Munzarin F. Qayyum, Chao Wu, Matthew T. Whited, Peter I. Djurovich, Keith O. Hodgson, Britt Hedman, Edward I. Solomon, and Mark E. Thompson. "A Codeposition Route to CuI–Pyridine Coordination Complexes for Organic Light-Emitting Diodes." In Electrophosphorescent Materials and Devices, 743–54. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-42.

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Lee, Jaesang, Changyeong Jeong, Thilini Batagoda, Caleb Coburn, Mark E. Thompson, and Stephen R. Forrest. "Hot Excited State Management for Long-Lived Blue Phosphorescent Organic Light-Emitting Diodes." In Electrophosphorescent Materials and Devices, 901–26. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-49.

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Lee, Jaesang, Hsiao-Fan Chen, Thilini Batagoda, Caleb Coburn, Peter I. Djurovich, Mark E. Thompson, and Stephen R. Forrest. "Deep Blue Phosphorescent Organic Light-Emitting Diodes with Very High Brightness and Efficiency." In Electrophosphorescent Materials and Devices, 877–99. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-48.

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Ma, Biwu, Peter I. Djurovich, Simona Garon, Bert Alleyne, and Mark E. Thompson. "Platinum Binuclear Complexes as Phosphorescent Dopants for Monochromatic and White Organic Light-Emitting Diodes." In Electrophosphorescent Materials and Devices, 579–603. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-34.

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Furuta, Paul T., Lan Deng, Simona Garon, Mark E. Thompson, and Jean M. J. Fréchet. "Platinum-Functionalized Random Copolymers for Use in Solution-Processible, Efficient, Near-White Organic Light-Emitting, Diodes." In Electrophosphorescent Materials and Devices, 1061–67. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-54.

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Lamansky, Sergey, Peter Djurovich, Drew Murphy, Feras Abdel-Razzaq, Hae-Eun Lee, Chihaya Adachi, Paul E. Burrows, Stephen R. Forrest, and Mark E. Thompson. "Highly Phosphorescent Bis-Cyclometalated Iridium Complexes: Synthesis, Photophysical Characterization, and Use in Organic Light Emitting Diodes." In Electrophosphorescent Materials and Devices, 145–70. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-13.

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Furuta, Paul, Jason Brooks, Mark E. Thompson, and Jean M. J. Fréchet. "Simultaneous Light Emission from a Mixture of Dendrimer Encapsulated Chromophores: A Model for Single-Layer Multichromophoric Organic Light-Emitting Diodes." In Electrophosphorescent Materials and Devices, 391–411. New York: Jenny Stanford Publishing, 2023. http://dx.doi.org/10.1201/9781003088721-26.

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Conference papers on the topic "Organic electrophosphorescent diodes"

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Kippelen, Bernard, Keith A. Knauer, Ehsan M. Najafabadi, Yinhua Zhou, and Canek Fuentes-Hernandez. "Recent advances in stacked inverted top-emitting organic electrophosphorescent diodes (presentation video)." In SPIE Organic Photonics + Electronics, edited by Franky So and Chihaya Adachi. SPIE, 2014. http://dx.doi.org/10.1117/12.2062275.

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Tang, Xiaoqing, Junsheng Yu, Wen Wen, Lu Li, and Yadong Jiang. "Performance optimization of polymer doped electrophosphorescent organic light emitting diodes." In 4th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, edited by Li Yang, John M. Schoen, Yoshiharu Namba, and Shengyi Li. SPIE, 2009. http://dx.doi.org/10.1117/12.831027.

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Yuan, Chih-Hsien, Shun-Wei Liu, Li-An Liu, Yu-San Chen, Pao-Chen Lai, and Chih-Chien Lee. "High-efficiency green electrophosphorescent organic light-emitting diodes with a simple device structure." In SPIE Organic Photonics + Electronics, edited by Franky So and Chihaya Adachi. SPIE, 2012. http://dx.doi.org/10.1117/12.929566.

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Haske, Wojciech, Sung-Jin Kim, Denke Cai, Ehsan M. Najafabadi, Canek Fuentes-Hernandez, Bernard Kippelen, Julie Leroy, et al. "Efficient green and blue electrophosphorescent light-emitting diodes using a combination of solution- and vacuum-processed materials." In Solid-State and Organic Lighting. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/soled.2011.sdwc5.

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Mathai, Mathew, Vi-En Choong, Stelios A. Choulis, and Franky So. "High-efficiency solution processed electrophosphorescent organic light emitting diodes based on a simple bi-layer device architecture." In Optics & Photonics 2005, edited by Zakya H. Kafafi and Paul A. Lane. SPIE, 2005. http://dx.doi.org/10.1117/12.617458.

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