Electrical and optical impulse response of High Speed Micro-OLEDs under ultra-short pulse excitation

Lei Zeng; Alex Chamberlain Chime; Mahmoud Chakaroun; Souheil Bensmida; Homere Nkwawo; Azzedine Boudrioua; Alexis P. A. Fischer

doi:10.1109/TED.2017.2706723

Electrical and optical impulse response of High Speed Micro-OLEDs under ultra-short pulse excitation

Lei Zeng, Alex Chamberlain Chime, Mahmoud Chakaroun, Souheil Bensmida, Homere Nkwawo, Azzedine Boudrioua, Alexis P. A. Fischer

University of Bristol

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The electric and optical impulse response of two types of High Speed OLED (HSOLED) driven by ultra-short electrical pulses is investigated. The two HSOLED were designed and manufactured to be characterized in the presence of electrical pulses ranging from 10ns to 100ns in duration and a repetition rate of 10Hz. The impact of the OLED geometry and the fabrication process on the time response is investigated. This is the first time that an optimized HSOLED exhibits an electrical time response as low as 2.1±0.6 ns and also shorter than the device optical decay time (9.8±0.2ns). Moreover, the HSOLED measured current density reaches 3.0 kA/cm², the highest value reported in the literature, with state-of-the-art electroluminescence of 12W/cm².

Original language	English
Pages (from-to)	2942-2948
Number of pages	7
Journal	IEEE Transactions on Electron Devices
Volume	64
Issue number	7
Early online date	1 Jun 2017
DOIs	https://doi.org/10.1109/TED.2017.2706723
Publication status	Published - Jul 2017

Keywords

OLED
Pulse excitation of OLED
High-speed OLED

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10.1109/TED.2017.2706723

Souheil Ben Smida
- S.Ben_Smidahw.acuk
- School of Engineering & Physical Sciences - Associate Professor
- School of Engineering & Physical Sciences, Institute of Sensors, Signals & Systems - Associate Professor
Person: Academic (Research & Teaching)

Cite this

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title = "Electrical and optical impulse response of High Speed Micro-OLEDs under ultra-short pulse excitation",

abstract = "The electric and optical impulse response of two types of High Speed OLED (HSOLED) driven by ultra-short electrical pulses is investigated. The two HSOLED were designed and manufactured to be characterized in the presence of electrical pulses ranging from 10ns to 100ns in duration and a repetition rate of 10Hz. The impact of the OLED geometry and the fabrication process on the time response is investigated. This is the first time that an optimized HSOLED exhibits an electrical time response as low as 2.1±0.6 ns and also shorter than the device optical decay time (9.8±0.2ns). Moreover, the HSOLED measured current density reaches 3.0 kA/cm2, the highest value reported in the literature, with state-of-the-art electroluminescence of 12W/cm2.",

keywords = "OLED, Pulse excitation of OLED, High-speed OLED",

author = "Lei Zeng and Chime, {Alex Chamberlain} and Mahmoud Chakaroun and Souheil Bensmida and Homere Nkwawo and Azzedine Boudrioua and Fischer, {Alexis P. A.}",

year = "2017",

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doi = "10.1109/TED.2017.2706723",

language = "English",

volume = "64",

pages = "2942--2948",

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TY - JOUR

T1 - Electrical and optical impulse response of High Speed Micro-OLEDs under ultra-short pulse excitation

AU - Zeng, Lei

AU - Chime, Alex Chamberlain

AU - Chakaroun, Mahmoud

AU - Bensmida, Souheil

AU - Nkwawo, Homere

AU - Boudrioua, Azzedine

AU - Fischer, Alexis P. A.

PY - 2017/7

Y1 - 2017/7

N2 - The electric and optical impulse response of two types of High Speed OLED (HSOLED) driven by ultra-short electrical pulses is investigated. The two HSOLED were designed and manufactured to be characterized in the presence of electrical pulses ranging from 10ns to 100ns in duration and a repetition rate of 10Hz. The impact of the OLED geometry and the fabrication process on the time response is investigated. This is the first time that an optimized HSOLED exhibits an electrical time response as low as 2.1±0.6 ns and also shorter than the device optical decay time (9.8±0.2ns). Moreover, the HSOLED measured current density reaches 3.0 kA/cm2, the highest value reported in the literature, with state-of-the-art electroluminescence of 12W/cm2.

AB - The electric and optical impulse response of two types of High Speed OLED (HSOLED) driven by ultra-short electrical pulses is investigated. The two HSOLED were designed and manufactured to be characterized in the presence of electrical pulses ranging from 10ns to 100ns in duration and a repetition rate of 10Hz. The impact of the OLED geometry and the fabrication process on the time response is investigated. This is the first time that an optimized HSOLED exhibits an electrical time response as low as 2.1±0.6 ns and also shorter than the device optical decay time (9.8±0.2ns). Moreover, the HSOLED measured current density reaches 3.0 kA/cm2, the highest value reported in the literature, with state-of-the-art electroluminescence of 12W/cm2.

KW - OLED

KW - Pulse excitation of OLED

KW - High-speed OLED

U2 - 10.1109/TED.2017.2706723

DO - 10.1109/TED.2017.2706723

M3 - Article

SN - 0018-9383

VL - 64

SP - 2942

EP - 2948

JO - IEEE Transactions on Electron Devices

JF - IEEE Transactions on Electron Devices

IS - 7

ER -

Electrical and optical impulse response of High Speed Micro-OLEDs under ultra-short pulse excitation

Abstract

Keywords

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