Transparent displays utilizing nanopatterned quantum dot films

Sang Ho Shin, Boyeon Hwang, Zhi Jun Zhao, So Hee Jeon, Joo Yun Jung, Ji Hye Lee, Byeong Kwon Ju, Jun Ho Jeong

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


We report the realization of a transparent display using glass covered by a nanopatterned quantum dot (QD) film with good transmittance. The film was fabricated by nanoimprint lithography (NIL) and spin coating of colloidal QDs with specificexcitation maxima. The produced nanopatterned QD film was attached to transparent glass, enabling active image generation using a laser light source of a specific wavelength. Selective light emission was induced by strongly exciting the laser-exposed film surface, creating desired images, with color modulationenabled by controlling the QD layer (dozens of nanometers in size) via nanopatterning. The nanopatterned QD film used for image generation exhibits excellent transmittance (>80%), and can be used for transparent displays, with image realization in both bright and dark spaces. The fabricated displays have wide viewing anglesowing to their good light emission characteristics, and the fabrication through spin coating renders the fabrication process simple and applicable to large areas.

Original languageEnglish
Article number2463
JournalScientific reports
Issue number1
Publication statusPublished - 2018 Dec 1

Bibliographical note

Funding Information:
This work was supported by the Center for Advanced Meta-Materials (CAMM) funded by the Ministry of Science, ICT and Future Planning as Global Frontier Project (CAMM-No. 2014M3A6B3063707) and by the Industrial Strategic technology development program (10052641) funded by the Ministry of Trade, Industry & Energy (MI, Korea).and by the Industrial Strategic Technology Development Program [10045269, Development of Soluble TFT and Pixel Formation Materials/Process Technologies for AMOLED TV] funded by MOTIE/KEIT.

Publisher Copyright:
© 2018 The Author(s).

ASJC Scopus subject areas

  • General


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