High Efficiency GaN-based High-voltage Light-emitting Diode Chips and Its Chip-on-board Packaging

2015 ◽  
Vol 36 (6) ◽  
pp. 692-698
Author(s):  
黄晓升 HUANG Xiao-sheng ◽  
黄华茂 HUANG Hua-mao ◽  
王洪 WANG Hong ◽  
李静 LI Jing
Keyword(s):  
High Voltage ◽  
High Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting

High‐Efficiency Top‐Emitting Green Perovskite Light Emitting Diode with Quasi Lambertian Emission

2021 ◽  
pp. 2101137
Author(s):  
Lei Cai ◽  
Jungui Zhou ◽  
Guilin Bai ◽  
Jiaqing Zang ◽  
Abdelhamid El‐Shaer ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting

High efficiency AlGaInN-based light emitting diode in the 360–380 nm wavelength range

2003 ◽  
Vol 200 (1) ◽  
pp. 102-105 ◽  
Author(s):  
Hisao Sato ◽  
Hong-Xing Wang ◽  
Daisuke Sato ◽  
Ryohei Takaki ◽  
Naoki Wada ◽  
...  
Keyword(s):  
Wavelength Range ◽  
High Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting

scholarly journals High-Efficiency Monolayer Molybdenum Ditelluride Light-Emitting Diode and Photodetector

2018 ◽  
Vol 10 (50) ◽  
pp. 43291-43298 ◽  
Author(s):  
Yi Zhu ◽  
Ziyuan Li ◽  
Linglong Zhang ◽  
Bowen Wang ◽  
Zhenqing Luo ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting

scholarly journals Use of Hybrid PEDOT:PSS/Metal Sulfide Quantum Dots for a Hole Injection Layer in Highly Efficient Green Phosphorescent Organic Light-Emitting Diodes

2021 ◽  
Vol 9 ◽  
Author(s):  
Wenqing Zhu ◽  
Kuangyu Ding ◽  
Chen Yi ◽  
Ruilin Chen ◽  
Bin Wei ◽  
...  
Keyword(s):  
Quantum Dots ◽  
High Efficiency ◽  
Light Emitting Diode ◽  
Metal Sulfide ◽  
Molybdenum Sulfide ◽  
Hole Injection ◽  
Light Emitting ◽  
Hole Injection Layer ◽  
Highly Efficient ◽  
Organic Light

In this study, we have synthesized the molybdenum sulfide quantum dots (MoS2 QDs) and zinc sulfide quantum dots (ZnS QDs) and demonstrated a highly efficient green phosphorescent organic light-emitting diode (OLED) with hybrid poly (3,4-ethylenedioxythiophene)/poly (styrenesulfonate) (PEDOT:PSS)/QDs hole injection layer (HIL). The electroluminescent properties of PEDOT:PSS and hybrid HIL based devices were explored. An optimized OLED based on the PEDOT:PSS/MoS2 QDs HIL exhibited maximum current efficiency (CE) of 72.7 cd A−1, which shows a 28.2% enhancement as compared to counterpart with single PEDOT:PSS HIL. The higher device performance of OLED with hybrid HIL can be attributed to the enhanced hole injection capacity and balanced charge carrier transportation in the OLED devices. The above analysis illustrates an alternative way to fabricate the high efficiency OLEDs with sulfide quantum dots as a HIL.

scholarly journals A 3 W High-Voltage Single-Chip Green Light-Emitting Diode with Multiple-Cells Network

2015 ◽  
Vol 2015 ◽  
pp. 1-4 ◽  
Author(s):  
W. Wang ◽  
Y. Cai ◽  
Y. B. Zhang ◽  
H. J. Huang ◽  
W. Huang ◽  
...  
Keyword(s):  
High Voltage ◽  
Light Emitting Diode ◽  
Light Output ◽  
Green Light ◽  
Current Crowding ◽  
Single Chip ◽  
Light Output Power ◽  
Large Area ◽  
Light Emitting ◽  
Multiple Cells

A parallel and series network structure was introduced into the design of the high-voltage single-chip (HV-SC) light-emitting diode to inhibit the effect of current crowding and to improve the yield. Using such a design, a6.6×5 mm2large area LED chip of 24 parallel stages was demonstrated with 3 W light output power (LOP) at the current of 500 mA. The forward voltage was measured to be 83 V with the same current injection, corresponding to 3.5 V for a single stage. The LED chip’s average thermal resistance was identified to be 0.28 K/W by using infrared thermography analysis.

A high-efficiency hybrid white organic light-emitting diode enabled by a new blue fluorophor

2015 ◽  
Vol 3 (17) ◽  
pp. 4283-4289 ◽  
Author(s):  
Zhan Chen ◽  
Xiao-Ke Liu ◽  
Cai-Jun Zheng ◽  
Jun Ye ◽  
Xin-Yang Li ◽  
...  
Keyword(s):  
High Efficiency ◽  
Light Emitting Diode ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light

High-efficiency hybrid white organic light-emitting diode enabled by a new blue fluorophor.

High efficiency Green Organic Light-emitting Diode Without Roll-off Under High Current Density

2015 ◽  
Vol 36 (11) ◽  
pp. 1307-1310
Author(s):  
田苗苗 TIAN Miao-miao ◽  
贺小光 HE Xiao-guang ◽  
祁金刚 QI Jin-gang ◽  
王 宁 Wang Ning
Keyword(s):  
Current Density ◽  
High Efficiency ◽  
High Current Density ◽  
Light Emitting Diode ◽  
High Current ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light
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