Fully Multi-Functional GaN-based Micro-LEDs for 2500 PPI Micro-displays, Temperature Sensing, Light Energy Harvesting, and Light Detection

Liu, Zhaojun1; Zhang, Ke1,2; Liu, Yibo1,2; Yan, Siwu1,2; Kwok, Hoi Sing1,2; Deen, Jamal1,3; Sun, Xiaowei1

10.1109/IEDM.2018.8614692

2018

0163-1918

978-1-7281-1988-5

2018 IEEE INTERNATIONAL ELECTRON DEVICES MEETING (IEDM)

2018-December

38.1.1-38.1.4

1-5 Dec. 2018

San Francisco, CA, United states

345 E 47TH ST, NEW YORK, NY 10017 USA

IEEE

GaN-based Micro-LEDs were developed for more than a decade and are considered as the next generation of display technology. Micro-LEDs have more versatile functions than displays. We report fully multi-functional Micro-LEDs for micro-displays, temperature sensing, light energy harvesting, and light detection. The 2500 pixel per inch (PPI) Micro-LED devices displayed animations and pictures in display mode driven by a Si complementary metal-oxide-semiconductor (CMOS) backplane. In temperature sensing mode, it showed a sufficient linearity with a resolution of 795 K/V. It also had a fill factor of 65.9% and efficiency of 15.5% in light energy harvesting mode and a sensitivity of 1240 and external quantum efficiency (EQE) of 33% in light detection mode. Results real that the proposed devices can be used as a self-sustainable micro-system for low cost and eco-friendly applications.

Temperature sensors Energy harvesting Backplanes Temperature measurement Silicon Temperature

第一 ; 通讯

英语

CPCI-S ; EI

Engineering

Engineering, Electrical & Electronic

WOS:000459882300211

20190806542887

CMOS integrated circuits ; Display devices ; Energy harvesting ; Gallium nitride ; III-V semiconductors ; Light emitting diodes ; Metals ; MOS devices ; Oxide semiconductors ; Silicon compounds ; Temperature sensors ; Wide band gap semiconductors

Energy Conversion Issues:525.5 ; Semiconductor Devices and Integrated Circuits:714.2 ; Computer Peripheral Equipment:722.2 ; Light/Optics:741.1 ; Temperature Measuring Instruments:944.5

Web of Science

1.Southern Univ Sci & Technol, Shenzhen, Peoples R China
2.Hong Kong Univ Sci & Technol, Hong Kong, Peoples R China
3.McMaster Univ, Hamilton, ON, Canada

Liu, Zhaojun,Zhang, Ke,Liu, Yibo,et al. Fully Multi-Functional GaN-based Micro-LEDs for 2500 PPI Micro-displays, Temperature Sensing, Light Energy Harvesting, and Light Detection[C]. 345 E 47TH ST, NEW YORK, NY 10017 USA:IEEE,2018:38.1.1-38.1.4.