How Will Quantum Dots Enable Next‐Gen Display Technologies?

Ishida, Tadao; Nakanishi, Yoshito; Izumi, Makoto; Berryman-Bousquet, Valerie

doi:10.1002/msid.1164

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2021

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References 28 publications

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“…(2) Among them, luminance stability and pixel patterning are essential for the display application. (3,4) Generally, the performance and stability of QLED are strongly affected by electron transport layers (ETL) usually are metal oxide nanocrystals (NCs) including ZnO NCs and ZnMgO NCs. (5) There are a number of reports focusing on stability enhancement by optimizing ETL since the active chemical properties of ZnObased nanocrystals and the sensitivity to the environment (temperature, oxygen, moisture, etc.).…”

Section: Introductionmentioning

confidence: 99%

P‐6.9: Patterning of Quantum Dots Light‐emitting Diodes Based on IGZO Films

Jia

et al. 2021

Symp Digest of Tech Papers

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Patterned quantum dots light‐emitting diodes (QLED) with sputtered IGZO films as electron transport layers are fabricated. The pattered IGZO films can define pixels ~10 μm, while accompanied by the nonuniform current spreading effect. The localized current density distribution observed by luminance distribution during the aging degrades the device seriously. In order to overcome this issue, the patterned SiO2 layer as the bank is introduced. This work also shows a potential way to tune the out couple efficiency and micro‐cavity effect (optical length) in QLED by charge transport layer thickness.

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Section: Introductionmentioning

confidence: 99%