Stretchable Active Matrix Inorganic Light-Emitting Diode Display Enabled by Overlay-Aligned Roll-Transfer Printing

Minwoo Choi; Bongkyun Jang; Wonho Lee; Seonwoo Lee; Tae Woong Kim; Hak Joo Lee; Jae Hyun Kim; Jong Hyun Ahn

doi:10.1002/adfm.201606005

Stretchable Active Matrix Inorganic Light-Emitting Diode Display Enabled by Overlay-Aligned Roll-Transfer Printing

Minwoo Choi, Bongkyun Jang, Wonho Lee, Seonwoo Lee, Tae Woong Kim, Hak Joo Lee, Jae Hyun Kim, Jong Hyun Ahn

Department of Electrical and Electronic Engineering

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

109 Citations (Scopus)

Abstract

An active matrix-type stretchable display is realized by overlay-aligned transfer of inorganic light-emitting diode (LED) and single-crystal Si thin film transistor (TFT) with roll processes. The roll-based transfer enables integration of heterogeneous thin film devices on a rubber substrate while preserving excellent electrical and optical properties of these devices, comparable to their bulk properties. The electron mobility of the integrated Si-TFT is over 700 cm² V⁻¹ s⁻¹, and this is attributed to the good interface between the Si channel and the thermally grown SiO₂ insulator. The light emission properties of the LED are of wafer quality. The resulting display stably operates under tensile strains up to 40%, over 200 cycles, demonstrating the potential of stretchable displays based on inorganic materials.

Original language	English
Article number	1606005
Journal	Advanced Functional Materials
Volume	27
Issue number	11
DOIs	https://doi.org/10.1002/adfm.201606005
Publication status	Published - 2017 Mar 17

Bibliographical note

Funding Information:
This work was supported by the National Creative Research Laboratory (2015R1A3A2066337) through the National Research Foundation of Korea (NRF), the Research Program of Korea Institute of Machinery & Materials (SC 1170), and Samsung Display.

Publisher Copyright:
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Chemistry(all)
Materials Science(all)
Electrochemistry
Biomaterials

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10.1002/adfm.201606005

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title = "Stretchable Active Matrix Inorganic Light-Emitting Diode Display Enabled by Overlay-Aligned Roll-Transfer Printing",

abstract = "An active matrix-type stretchable display is realized by overlay-aligned transfer of inorganic light-emitting diode (LED) and single-crystal Si thin film transistor (TFT) with roll processes. The roll-based transfer enables integration of heterogeneous thin film devices on a rubber substrate while preserving excellent electrical and optical properties of these devices, comparable to their bulk properties. The electron mobility of the integrated Si-TFT is over 700 cm2 V−1 s−1, and this is attributed to the good interface between the Si channel and the thermally grown SiO2 insulator. The light emission properties of the LED are of wafer quality. The resulting display stably operates under tensile strains up to 40%, over 200 cycles, demonstrating the potential of stretchable displays based on inorganic materials.",

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AU - Choi, Minwoo

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AU - Lee, Wonho

AU - Lee, Seonwoo

AU - Kim, Tae Woong

AU - Lee, Hak Joo

AU - Kim, Jae Hyun

AU - Ahn, Jong Hyun

N1 - Funding Information: This work was supported by the National Creative Research Laboratory (2015R1A3A2066337) through the National Research Foundation of Korea (NRF), the Research Program of Korea Institute of Machinery & Materials (SC 1170), and Samsung Display. Publisher Copyright: © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

PY - 2017/3/17

Y1 - 2017/3/17

N2 - An active matrix-type stretchable display is realized by overlay-aligned transfer of inorganic light-emitting diode (LED) and single-crystal Si thin film transistor (TFT) with roll processes. The roll-based transfer enables integration of heterogeneous thin film devices on a rubber substrate while preserving excellent electrical and optical properties of these devices, comparable to their bulk properties. The electron mobility of the integrated Si-TFT is over 700 cm2 V−1 s−1, and this is attributed to the good interface between the Si channel and the thermally grown SiO2 insulator. The light emission properties of the LED are of wafer quality. The resulting display stably operates under tensile strains up to 40%, over 200 cycles, demonstrating the potential of stretchable displays based on inorganic materials.

AB - An active matrix-type stretchable display is realized by overlay-aligned transfer of inorganic light-emitting diode (LED) and single-crystal Si thin film transistor (TFT) with roll processes. The roll-based transfer enables integration of heterogeneous thin film devices on a rubber substrate while preserving excellent electrical and optical properties of these devices, comparable to their bulk properties. The electron mobility of the integrated Si-TFT is over 700 cm2 V−1 s−1, and this is attributed to the good interface between the Si channel and the thermally grown SiO2 insulator. The light emission properties of the LED are of wafer quality. The resulting display stably operates under tensile strains up to 40%, over 200 cycles, demonstrating the potential of stretchable displays based on inorganic materials.

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Stretchable Active Matrix Inorganic Light-Emitting Diode Display Enabled by Overlay-Aligned Roll-Transfer Printing

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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