MicroLED Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Method Using Pulse Width Modulation

Eun Kyo Jung; Yong Hoo Hong; Sung Hyuck Ahn; Hwarim Im; Yong Sang Kim

doi:10.1002/sdtp.15751

MicroLED Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Method Using Pulse Width Modulation

Eun Kyo Jung
, Yong Hoo Hong
, Sung Hyuck Ahn
, Hwarim Im
, Yong Sang Kim

Sungkyunkwan University

Research output: Contribution to journal › Conference article › peer-review

9 Scopus citations

Abstract

The novel pixel circuit was proposed for the microLED display. We applied the progressive emission and PWM to use tens of μA current and hundreds of us emission time in considering of EQE characteristic. The proposed circuit was verified to operate stably in depletion mode of a-IGZO TFT.

Original language	English
Pages (from-to)	1312-1315
Number of pages	4
Journal	Digest of Technical Papers - SID International Symposium
Volume	53
Issue number	1
DOIs	https://doi.org/10.1002/sdtp.15751
State	Published - 2022
Externally published	Yes
Event	59th International Symposium, Seminar and Exhibition, Display Week 2022 - San Jose, United States Duration: 8 May 2022 → 13 May 2022

Keywords

a-IGZO TFT
External Quantum Efficiency
MicroLED
Pixel circuit
Progressive Emission
Pulse Width Modulation

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10.1002/sdtp.15751

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title = "MicroLED Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Method Using Pulse Width Modulation",

abstract = "The novel pixel circuit was proposed for the microLED display. We applied the progressive emission and PWM to use tens of μA current and hundreds of us emission time in considering of EQE characteristic. The proposed circuit was verified to operate stably in depletion mode of a-IGZO TFT.",

keywords = "a-IGZO TFT, External Quantum Efficiency, MicroLED, Pixel circuit, Progressive Emission, Pulse Width Modulation",

author = "Jung, \{Eun Kyo\} and Hong, \{Yong Hoo\} and Ahn, \{Sung Hyuck\} and Hwarim Im and Kim, \{Yong Sang\}",

note = "Publisher Copyright: {\textcopyright} 2022. John Wiley and Sons Inc. AIAA. All rights reserved.; 59th International Symposium, Seminar and Exhibition, Display Week 2022 ; Conference date: 08-05-2022 Through 13-05-2022",

year = "2022",

doi = "10.1002/sdtp.15751",

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pages = "1312--1315",

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T1 - MicroLED Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Method Using Pulse Width Modulation

AU - Jung, Eun Kyo

AU - Hong, Yong Hoo

AU - Ahn, Sung Hyuck

AU - Im, Hwarim

AU - Kim, Yong Sang

PY - 2022

Y1 - 2022

N2 - The novel pixel circuit was proposed for the microLED display. We applied the progressive emission and PWM to use tens of μA current and hundreds of us emission time in considering of EQE characteristic. The proposed circuit was verified to operate stably in depletion mode of a-IGZO TFT.

AB - The novel pixel circuit was proposed for the microLED display. We applied the progressive emission and PWM to use tens of μA current and hundreds of us emission time in considering of EQE characteristic. The proposed circuit was verified to operate stably in depletion mode of a-IGZO TFT.

KW - a-IGZO TFT

KW - External Quantum Efficiency

KW - MicroLED

KW - Pixel circuit

KW - Progressive Emission

KW - Pulse Width Modulation

UR - https://www.scopus.com/pages/publications/85135623477

U2 - 10.1002/sdtp.15751

DO - 10.1002/sdtp.15751

M3 - Conference article

AN - SCOPUS:85135623477

SN - 0097-966X

VL - 53

SP - 1312

EP - 1315

JO - Digest of Technical Papers - SID International Symposium

JF - Digest of Technical Papers - SID International Symposium

IS - 1

T2 - 59th International Symposium, Seminar and Exhibition, Display Week 2022

Y2 - 8 May 2022 through 13 May 2022

ER -

MicroLED Pixel Circuit Based on Metal Oxide Thin-Film Transistor with Progressive Emission Method Using Pulse Width Modulation

Abstract

Keywords

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