Results 251 to 260 of about 62,606 (295)

Novel 9,9-dimethylfluorene-bridged D–π–A-type fluorophores with a hybridized local and charge-transfer excited state for deep-blue electroluminescence with CIEy ∼ 0.05

Journal of Materials Chemistry C, 2019
Deep-blue electroluminescence with a maximum EQE of 5.74% and CIEy ∼ 0.05 is achieved based on a newly designed D–π–A fluorophore with a HLCT excited state.
Xu Qiu, S. Ying, Cong Wang, M. Hanif, Yuwei Xu, Ya Li, Ruiyang Zhao, Dehua Hu, Dongge Ma, Yuguang Ma   +9 more
semanticscholar   +1 more source

Organic Electroluminescent Device

2006
The present invention relates to novel truxene and isotruxene derivatives, in particular spirotruxene and spiroisotruxene derivatives, and to the use thereof in organic electronic devices, in particular organic electroluminescent devices.
STOESSEL PHILIPP DE, BREUNING ESTHER DE, BAGALA RAMPAZZO LILIANA IT, FIORAVANTI, GIULIA, MATTIELLO LEONARDO IT   +4 more
openaire   +8 more sources

Electroluminescence

Physics Today, 1968
SOLIDS CAN GENERATE visible light in several ways. A solid raised to sufficiently high temperature, for example, will emit light, a principle that is used in the tungsten incandescent lamp. But practical considerations limit the efficiency and reliability of such a lamp.
openaire   +1 more source

Spin-Triplet-Mediated Up-Conversion and Crossover Behavior in Single-Molecule Electroluminescence.

Physical Review Letters, 2019
Scanning-tunneling-microscope-induced light emission serves as a powerful approach in revealing and manipulating the optical properties of molecular species, intermolecular energy transfer, and plasmon-molecule coupling.
Gong Chen, Yang Luo, H. Gao, Jun Jiang, Yun-Jie Yu, Li Zhang, Yang Zhang, Xiaoguang Li, Zhenyu Zhang, Z. Dong   +9 more
semanticscholar   +1 more source

Alternative current electroluminescence and flexible light emitting devices

Journal of Materials Chemistry C, 2019
Flexible electroluminescence has become a trending technological breakthrough from large-scale displays to wearable light emitting devices. Among different techniques, alternative current electroluminescence (ACEL) has out-shined due to its intrinsic ...
Wanasinghe Arachchige Dumith Madushanka Jayathilaka, A. Chinnappan, J. N. Tey, Jun Wei, S. Ramakrishna   +4 more
semanticscholar   +1 more source

Electroluminescence

Electroanalysis, 1991
AbstractA definition of electrogenerated luminescence (ECL) is given. Chemiluminescent reactions of different kinds are cited, as well as various types of pathway to the formation of the emitting excited state. After a consideration of the energetic and kinetic requirements for ECL‐producing reactions, the experimental conditions are examined.
openaire   +1 more source

Electroluminescence in conjugated polymers

Nature, 1999
R. Friend, R. W. Gymer, A. Holmes, J. Burroughes, R. N. Marks, C. Taliani, D. Bradley, D. A. D. Santos, J. Brédas, M. Lögdlund, W. R. Salaneck   +10 more
semanticscholar   +1 more source

Electroluminescence Principle and Novel Electroluminescent Materials

2018
Over the past few decades, many efforts have been put to optimize the properties of electroluminescent devices such as electroluminescence (EL) panel, organic light emitting diode (OLED), flat panel display, EL lamps, etc. In this chapter, the authors provide a comprehensive review of the state-of-the-art research activities related to EL phenomena ...
Vikas Lahariya, Meera Ramrakhiani
openaire   +1 more source

Electroluminescence from polyvinylcarbazole films: 3. Electroluminescent devices

Polymer, 1983
Abstract The conditions for electroluminescence generation from organic polymer films are discussed and the development of a direct current electroluminescent device is described which is based upon a double-layer polyvinylcarbazole film. The device employed a polyvinylcarbazole/antimony pentachloride positive charge-injecting electrode and a caesium
openaire   +1 more source

Transient Electroluminescence Spectroscopy in Planar Electroluminescent Devices

Laser & Photonics Reviews
AbstractThe emergence of planar electroluminescent diodes (including polymer light‐emitting diodes, organic light‐emitting diodes, quantum‐dot light‐emitting diodes, and perovskite light‐emitting diodes) is causing a revolution in displays, lighting, and wearable electronic devices.
Xulan Xue, Bingyan Zhu, Zhihui Kang, Xiaochun Chi, Hanzhuang Zhang, Aiwei Tang, Wenyu Ji   +6 more
openaire   +1 more source