Effect of desiccant on the performance of green organic light-emitting device

Zhong, Jiasong; Gao, Zhuo; Yu, Junsheng; Jiang, Yadong

doi:10.1007/s10043-011-0025-z

Cited by 5 publications

(2 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This phenomenon is contrary to what has been observed in OLEDs. For OLEDs, the use of desiccant could significantly improve the lifetime of the devices [7]. Although the half lifetime of QLED without desiccant is longer, the driving voltage is rapidly increased from 2.45 to 4.05 V after 150 h, which is faster than that of the…”

Section: Resultsmentioning

confidence: 99%

47‐4: Aging Behaviors of QLED with Different Structures

Chen

Qin

Zhou

et al. 2019

Symp Digest of Tech Papers

View full text Add to dashboard Cite

Quantum dot light-emitting diodes (QLEDs) are recognized as one of the candidates for the development of next generation displays. However the stability issue restricts their industrialization. In this work, we investigated the aging behaviors of QLEDs with different structures. We identified that the lifetime of QLEDs is greatly affected by the hole transport layer (HTL). In addition, we found that devices encapsulated with and without desiccant exhibit different aging behaviors. The use of desiccant improved the stability of the HTL, but the positive aging which could prolong the lifetime of devices was alleviated. On the other hand, device without desiccant exhibited positive aging behavior but the HTL was degraded rapidly. It is concluded that there is a trade-off between positive aging and stability of HTL.

show abstract

Section: Resultsmentioning

confidence: 99%

47‐4: Aging Behaviors of QLED with Different Structures

Chen

Qin

Zhou

et al. 2019

Symp Digest of Tech Papers

View full text Add to dashboard Cite

show abstract

“…Copper phthalocyanine (CuPc) is a well-known organic semiconductor, which is widely used as a hole injection layer (HIL) in OLEDs. [5,6] Also, it was reported to have been used as a buffer layer in preventing sputter damage of a transparent cathode to the OLED layer structure. [7−9] However, its highest occupied molecular orbital (HOMO) is only 5.3 eV which does not seem to be suitable for an electron transporting layer.…”

Section: Introductionmentioning

confidence: 99%

Improved performance of organic light-emitting diodes with dual electron transporting layers

Jiao

Yang

et al. 2012

Chinese Phys. B

View full text Add to dashboard Cite

In this study the performance of organic light-emitting diodes (OLEDs) are enhanced significantly, which is based on dual electron transporting layers (Bphen/CuPc). By adjusting the thicknesses of Bphen and CuPc, the maximal luminescence, the maximal current efficiency, and the maximal power efficiency of the device reach 17570 cd/m2 at 11 V, and 5.39 cd/A and 3.39 lm/W at 3.37 mA/cm2 respectively, which are enhanced approximately by 33.4%, 39.3%, and 68.9%, respectively, compared with those of the device using Bphen only for an electron transporting layer. These results may provide some valuable references for improving the electron injection and the transportation of OLED.

show abstract

An organic light-emitting device with ultrathin quantum-well structure as light emitting layer

Zhong

Gao

et al. 2011

OPT REV

View full text Add to dashboard Cite

Effect of desiccant on the performance of green organic light-emitting device

Cited by 5 publications

References 24 publications

47‐4: Aging Behaviors of QLED with Different Structures

47‐4: Aging Behaviors of QLED with Different Structures

Improved performance of organic light-emitting diodes with dual electron transporting layers

An organic light-emitting device with ultrathin quantum-well structure as light emitting layer

Contact Info

Product

Resources

About