Results 31 to 40 of about 58,724 (251)
Luminescence in sulfides : a rich history and a bright future [PDF]
, 2010 Sulfide-based luminescent materials have attracted a lot of attention for a wide range of photo-, cathodo- and electroluminescent applications. Upon doping with Ce3+ and Eu2+, the luminescence can be varied over the entire visible region by appropriately
Hens, Zeger +3 more
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White Fluorescent Organic Light-Emitting Diodes with 100% Power Conversion
Research, 2022 Energy-efficient lighting sources are desired to provide another solution of carbon emission reduction. White organic light-emitting diodes are promising, because of theoretical internal quantum efficiencies for 100% electric-to-light conversion. However,
Dongxue Ding +7 more
doaj +1 more source
Visible Light Communications towards 5G [PDF]
, 2015 5G networks have to offer extremely high capacity for novel streaming applications. One of the most promising approaches is to embed large numbers of co-operating small cells into the macro-cell coverage area.
Chvojka, P. +3 more
core +2 more sources
Numerical investigation of a 2D-grating for light extraction of a bottom emitting OLED [PDF]
, 2006 An important limiting factor for efficient white light emitting organic LEDs is the total internal reflection occurring at each interface. In a bottom emitting OLED light is trapped by reflection at the interface between the organic layers and glass ...
Baets, Roel +3 more
core +3 more sources
Efficient Tandem Organic Light Emitting Diode Using Organic Photovoltaic Charge Generation Layer
International Journal of Optics, 2018 Highly efficient tandem red OLED is proposed using planar organic heterojunction based charge generation layer (CGL) of C70 (Fullerene)/CoPc (Cobalt Phthalocyanine). The proposed charge generation layer generates charges and exhibits organic photovoltaic
Akanksha Jetly, Rajesh Mehra
doaj +1 more source
Charge and exciton dynamics of OLEDs under high voltage nanosecond pulse: towards injection lasing
Nature Communications, 2020 Though efforts toward electrically-pumped lasers based on simple organic light-emitting diode (OLED) structures have been reported, a comprehensive model is needed to elucidate key optoelectronic processes.
Viqar Ahmad +9 more
doaj +1 more source
Effect of selected luminescent layers on CCT, CRI, and response times [PDF]
, 2019 Phosphors have been used as wavelength converters in illumination for many years. When it is excited with blue light, the frequently used yttrium aluminium garnet doped with cerium (YAG:Ce) phosphor converts a part of blue light to a wideband yellow ...
Jargus, Jan +4 more
core +1 more source
Organic Light‐Emitting Diode in Phototherapy Applications
Advanced Photonics ResearchAfter decades of development, organic light‐emitting diode (OLED) technology has matured significantly. OLED displays are now ubiquitous in consumer electronics and household appliances. As another major application branch, OLED lighting has also entered
Yingguang Zhu +9 more
doaj +1 more source
Investigation of Autostereoscopic Displays Based on Various Display Technologies
Nanomaterials, 2022 The autostereoscopic display is a promising way towards three-dimensional-display technology since it allows humans to perceive stereoscopic images with naked eyes.
Fuhao Chen, Chengfeng Qiu, Zhaojun Liu
doaj +1 more source
, 2011 We report the successful extraction of spin polarized current from the organic-based room temperature ferrimagnetic semiconductor V[TCNE]x (x~2, TCNE: tetracyanoethylene; TC ~ 400 K, EG ~ 0.5 eV, s ~ 10-2 S/cm) and its subsequent injection into a GaAs ...
A. J. Epstein +6 more
core +1 more source