Stable and efficient transfer-printing including repair using a GaN-based microscale light-emitting diode array for deformable displays

被引：16

作者：

Park, Jun-Beom ^{[1
,2
]}

Lee, Keon Hwa ^{[1
]}

Han, Sang Hoon ^{[1
]}

Chung, Tae Hun ^{[1
]}

Kwak, Moon Kyu ^{[3
]}

Rho, Hokyun ^{[2
]}

Jeong, Tak ^{[1
]}

Ha, Jun-Seok ^{[2
]}

机构：

[1] Korea Photon Technol Inst, Photon Device Res Ctr, 124 Cheomdanventure Ro, Gwangju 61007, South Korea

[2] Chonnam Natl Univ, Optoelect Convergence Res Ctr, 77 Yongbong Ro, Gwangju 61186, South Korea

[3] Kyungpook Natl Univ, Mech Engn, 80 Daehak Ro, Daegu 41566, South Korea

来源：

SCIENTIFIC REPORTS | 2019年 / 9卷 / 1期

基金：

新加坡国家研究基金会;

关键词：

BAND-GAP;

D O I：

10.1038/s41598-019-47449-1

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

GaN-based microscale light-emitting diodes (mu LEDs) are reported for assembly into deformable displays and repair systems. A stamp-imprinting method that enables large area assembly without spatial limitation is involved in the system, and a selective pick-up method is presented that includes a method for removing detected defective chips through micro-pulsed laser scanning. The photosensitive functional material, which is an accepted layer for the stable imprinting of chips, is determined by controlling the adhesion. In addition, selective pick-up and adhesion-controlled functional materials allow the implementation of defect-free displays through two pick-and-place cycles. Displays and related systems fabricated with this method can offer interesting optical and electrical properties.

引用

页数：7

共 29 条

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