Journal ArticleDOI
20.2: Ultra‐Bright, Highly Efficient, Low Roll‐Off Inverted Quantum‐Dot Light Emitting Devices (QLEDs)
Yajie Dong,Jean-Michel Caruge,Zhaoqun Zhou,Charles W. Hamilton,Zoran B. Popović,John T. Ho,Matthew Stevenson,Guo Liu,Vladimir Bulovic,Moungi G. Bawendi,Peter T. Kazlas,Jonathan S. Steckel,Seth Coe-Sullivan +12 more
- Vol. 46, Iss: 1, pp 270-273
TLDR
In this paper, an ultra-bright, highly efficient, low roll-off, inverted quantum dot-based red light emitting device (QLED) using solution-processed zinc oxide nanoparticles and cesium carbonate films as the electron injection and hole blocking layers, respectively, has been obtained at a current density of 1000 mA/cm2 with a low driving voltage of 58 V.Abstract:
We report an ultra-bright, highly efficient, low roll-off, inverted quantum dot-based red light emitting device (QLED) using solution-processed zinc oxide nanoparticles and cesium carbonate films as the electron injection and hole blocking layers, respectively Record luminance of 165,000 Cd/m2 has been obtained at a current density of 1000 mA/cm2 with a low driving voltage of 58 V for deep red device with CIE coordinates of (069, 031)read more
Citations
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Journal ArticleDOI
Visible quantum dot light-emitting diodes with simultaneous high brightness and efficiency
Huaibin Shen,Qiang Gao,Qiang Gao,Yanbin Zhang,Yue Lin,Qingli Lin,Zhaohan Li,Ling Chen,Zaiping Zeng,Xiaoguang Li,Yu Jia,Yu Jia,Shujie Wang,Zuliang Du,Lin Song Li,Zhenyu Zhang +15 more
TL;DR: In this paper, the authors report red, green and blue quantum dot light-emitting diodes based on CdSe/ZnSe core/shell structures that combine efficient operation with high brightness.
Journal ArticleDOI
Bright colloidal quantum dot light-emitting diodes enabled by efficient chlorination
Xiyan Li,Yongbiao Zhao,Fengjia Fan,Fengjia Fan,Larissa Levina,Min Liu,Min Liu,Rafael Quintero-Bermudez,Xiwen Gong,Li Na Quan,James Z. Fan,Zhenyu Yang,Sjoerd Hoogland,Oleksandr Voznyy,Zheng-Hong Lu,Edward H. Sargent +15 more
TL;DR: In this article, conductive and passivating halides are applied to Zn chalcogenide-shelled colloidal quantum dots to enable high-brightness green QLEDs.
Journal ArticleDOI
Realizing Rec. 2020 color gamut with quantum dot displays
TL;DR: The results indicate that quantum dot display is an outstanding candidate for achieving wide color gamut and high optical efficiency.
Journal ArticleDOI
Over 30% External Quantum Efficiency Light-Emitting Diodes by Engineering Quantum Dot-Assisted Energy Level Match for Hole Transport Layer
Jiaojiao Song,Ouyang Wang,Huaibin Shen,Qingli Lin,Zhaohan Li,Lei Wang,Xintong Zhang,Lin Song Li +7 more
Journal ArticleDOI
Blue Quantum Dot Light-Emitting Diodes with High Electroluminescent Efficiency
Lishuang Wang,Jie Lin,Yong-Sheng Hu,Xiaoyang Guo,Ying Lv,Zhaobing Tang,Jialong Zhao,Yi Fan,Nan Zhang,Yunjun Wang,Xingyuan Liu +10 more
TL;DR: Quantum dot light-emitting diodes (QLEDs) based on as-prepared blue QDs and optimized ZnO NPs have been successfully fabricated and show great promise for use in next-generation full-color displays.
References
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Semiconductor Clusters, Nanocrystals, and Quantum Dots
TL;DR: In this article, the authors focus on the properties of quantum dots and their ability to join the dots into complex assemblies creates many opportunities for scientific discovery, such as the ability of joining the dots to complex assemblies.
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Synthesis and characterization of nearly monodisperse CdE (E = sulfur, selenium, tellurium) semiconductor nanocrystallites
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Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer
TL;DR: In this article, a hybrid organic/inorganic electroluminescent device was constructed based on the recombination of holes injected into a layer of semiconducting p-paraphenylene vinylene (PPV) with electrons injected into the multilayer film of cadmium selenide nanocrystals.
Journal ArticleDOI
Nearly 100% internal phosphorescence efficiency in an organic light emitting device
TL;DR: In this paper, the authors demonstrate very high efficiency electrophosphorescence in organic light-emitting devices employing a phosphorescent molecule doped into a wide energy gap host, achieving a maximum external quantum efficiency of 19.0±1.0 and luminous power efficiency of 60±5 lm/W.
Journal Article
Light-emitting diodes made from cadmium selenide nanocrystals and a semiconducting polymer
TL;DR: In this article, a hybrid organic/inorganic electroluminescent device was constructed based on the recombination of holes injected into a layer of semiconducting p-paraphenylene vinylene (PPV) with electrons injected into the multilayer film of cadmium selenide nanocrystals.