Reduced efficiency roll-off in all-phosphorescent white organic light-emitting diodes with an external quantum efficiency of over 20%

Doping-Free Organic Light-Emitting Diodes with Very High Power Efficiency, Simple Device Structure, and Superior Spectral Performance

(2014) Qi Wang et al.   ADVANCED FUNCTIONAL MATERIALS

A Non-Doped Phosphorescent Organic Light-Emitting Device with Above 31% External Quantum Efficiency

(2014) Qi Wang et al.   ADVANCED MATERIALS

High-Efficiency Orange and Tandem White Organic Light-Emitting Diodes Using Phosphorescent Dyes with Horizontally Oriented Emitting Dipoles

(2014) Sunghun Lee et al.   ADVANCED MATERIALS

Blue Phosphorescent Organic Light-Emitting Diodes Using an Exciplex Forming Co-host with the External Quantum Efficiency of Theoretical Limit

(2014) Hyun Shin et al.   ADVANCED MATERIALS

Low-Driving-Voltage Blue Phosphorescent Organic Light-Emitting Devices with External Quantum Efficiency of 30%

(2014) Kazuo Udagawa et al.   ADVANCED MATERIALS

Using an ultra-thin non-doped orange emission layer to realize high efficiency white organic light-emitting diodes with low efficiency roll-off

(2014) Liping Zhu et al.   JOURNAL OF APPLIED PHYSICS

A hybrid white organic light-emitting diode with above 20% external quantum efficiency and extremely low efficiency roll-off

(2014) Ning Sun et al.   Journal of Materials Chemistry C

Highly efficient orange and deep-red organic light emitting diodes with long operational lifetimes using carbazole–quinoline based bipolar host materials

(2014) Chin-Hsien Chen et al.   Journal of Materials Chemistry C

Exciton and Polaron Quenching in Doping-Free Phosphorescent Organic Light-Emitting Diodes from a Pt(II)-Based Fast Phosphor

(2013) Qi Wang et al.   ADVANCED FUNCTIONAL MATERIALS

Investigating the Role of Emissive Layer Architecture on the Exciton Recombination Zone in Organic Light-Emitting Devices

(2013) Nicholas C. Erickson et al.   ADVANCED FUNCTIONAL MATERIALS

Above 30% External Quantum Efficiency in Blue Phosphorescent Organic Light-Emitting Diodes Using Pyrido[2,3-b]indole Derivatives as Host Materials

(2013) Chil Won Lee et al.   ADVANCED MATERIALS

High-Performance Hybrid White Organic Light-Emitting Devices without Interlayer between Fluorescent and Phosphorescent Emissive Regions

(2013) Ning Sun et al.   ADVANCED MATERIALS

Simple bipolar host materials incorporating CN group for highly efficient blue electrophosphorescence with slow efficiency roll-off

(2013) Lijun Deng et al.   Journal of Materials Chemistry C

Highly Efficient Warm White Organic Light-Emitting Diodes by Triplet Exciton Conversion

(2012) Yi-Lu Chang et al.   ADVANCED FUNCTIONAL MATERIALS

Highly efficient organic light-emitting diodes from delayed fluorescence

(2012) Hiroki Uoyama et al.   NATURE

Enhancing the efficiency of simplified red phosphorescent organic light emitting diodes by exciton harvesting

(2012) Y.-L. Chang et al.   ORGANIC ELECTRONICS

Modification of Exciton Lifetime by the Metal Cathode in Phosphorescent OLEDs, and Implications on Device Efficiency and Efficiency Roll-off Behavior

(2011) Dandan Song et al.   ADVANCED FUNCTIONAL MATERIALS

Highly Efficient Orange and White Organic Light-Emitting Diodes Based on New Orange Iridium Complexes

(2011) Renjie Wang et al.   ADVANCED MATERIALS

Highly simplified phosphorescent organic light emitting diode with >20% external quantum efficiency at >10,000 cd/m2

(2011) Z. B. Wang et al.   APPLIED PHYSICS LETTERS

High-efficiency red, green and blue phosphorescent homojunction organic light-emitting diodes based on bipolar host materials

(2011) Chao Cai et al.   ORGANIC ELECTRONICS

High-Efficiency Blue and White Organic Light-Emitting Devices Incorporating a Blue Iridium Carbene Complex

(2010) Hisahiro Sasabe et al.   ADVANCED MATERIALS

Causes of efficiency roll-off in phosphorescent organic light emitting devices: Triplet-triplet annihilation versus triplet-polaron quenching

(2010) Dandan Song et al.   APPLIED PHYSICS LETTERS

Management of charges and excitons for high-performance white organic light-emitting diodes

(2010) Qi Wang et al.   CHEMICAL SOCIETY REVIEWS

Measurement of triplet exciton diffusion in organic light-emitting diodes

(2010) J. Wünsche et al.   PHYSICAL REVIEW B

Triplet Harvesting in Hybrid White Organic Light-Emitting Diodes

(2009) Gregor Schwartz et al.   ADVANCED FUNCTIONAL MATERIALS

Manipulating Charges and Excitons within a Single-Host System to Accomplish Efficiency/CRI/Color-Stability Trade-off for High-Performance OWLEDs

(2009) Qi Wang et al.   ADVANCED MATERIALS

Harvesting Excitons Via Two Parallel Channels for Efficient White Organic LEDs with Nearly 100% Internal Quantum Efficiency: Fabrication and Emission-Mechanism Analysis

(2008) Qi Wang et al.   ADVANCED FUNCTIONAL MATERIALS

Quantum efficiency roll-off at high brightness in fluorescent and phosphorescent organic light emitting diodes

(2008) N. C. Giebink et al.   PHYSICAL REVIEW B