A large-scale NEMS light-emitting array based on CVD graphene (Conference Presentation)

Hyungsik Kim; Young Duck Kim; Changhyuk Lee; Sunwoo Lee; Dong-jea Seo; Sahng-Kyoon Jerng; Seung-Hyun Chun; James Hone; Kenneth L. Shepard

doi:10.1117/12.2251017

21 April 2017 A large-scale NEMS light-emitting array based on CVD graphene (Conference Presentation)

Hyungsik Kim, Young Duck Kim, Changhyuk Lee, Sunwoo Lee, Dong-jea Seo, Sahng-Kyoon Jerng, Seung-Hyun Chun, James Hone, Kenneth L. Shepard

Author Affiliations +

Proceedings Volume 10126, Advances in Display Technologies VII; 101260G (2017) https://doi.org/10.1117/12.2251017
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Graphene has received much interest from optical communities largely owing to its photon-like linear energy band structure called Dirac cone. While majority of the recent research has dealt with plasmon and polariton of the two-dimensional material, a recently reported graphene light emitter could render a new dimension of applications, particularly in high-speed optical communication. Moreover chemical vapor deposition (CVD) growth technique for graphene is available today providing means for scalable high quality graphene. The reported graphene emitter provides broadband light emission from visible to mid-infrared which could be instrumental in multi-color display units and optical communications, however a truly large scale implementation has not previously been achieved. Here we demonstrate a CMOS-compatible 262,144 light-emitting pixels array (10 x 10 mm2) based on suspended CVD graphene nano-electro-mechanical systems (GNEMS). A single photoemission area is 19.6 µm2 and a unit pixel is consisting of 512 photoemission devices (16 x 16) where a multiplexer and a digital to analog converter (DAC) are used to control each pixel. This work clearly demonstrates scalability of multi-channel GNEMS light-emitting array, an atomically thin electro-optical module, and further paves a path for its commercial implementation transparent display or high-speed optical communication.

Conference Presentation

Citation Download Citation

Hyungsik Kim, Young Duck Kim, Changhyuk Lee, Sunwoo Lee, Dong-jea Seo, Sahng-Kyoon Jerng, Seung-Hyun Chun, James Hone, and Kenneth L. Shepard "A large-scale NEMS light-emitting array based on CVD graphene (Conference Presentation)", Proc. SPIE 10126, Advances in Display Technologies VII, 101260G (21 April 2017); https://doi.org/10.1117/12.2251017

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