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Super Ultra-High Resolution Liquid-Crystal-Display Using Perovskite Quantum-Dot Functional Color Filters

Title
Super Ultra-High Resolution Liquid-Crystal-Display Using Perovskite Quantum-Dot Functional Color Filters
Author
박재근
Keywords
GAMUT; NANOCRYSTALS; PHOTOLUMINESCENCE; EFFICIENCY; EMISSION; CSPBX3; BRIGHT
Issue Date
2018-08
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v. 8, Article no. 12881
Abstract
Quantum dot enhancement film (QDEF) working in tandem with a blue light-emitting-diode (LED) back-light-unit (BLU) has been recently used in liquid crystal display (LCD) to minimize the cross talks between the polarized emitting B-,G-, and R-light. However, they still exhibit a fundamental and considerable emitting-light-power loss from QDEF because of the light absorption loss in resin and transparent films of QDEF. In this work, we propose and demonstrate the superiority of the LCD using blue-(B-), green-(G-), and red-(R-) perovskite-quantum-dot (PrQD) functional CFs coupled with a blue LED BLU. This LCD using PrQD functional CFs and a blue LED BLU features cross-talk free spectra of polarized emitting B-, G-, and R- light, maximizing the LCD color gamut and exhibiting a world record performance of over 102.7% (137%) of Rec. 2020 standard (NTSC standard). Theoretically, such an improvement in color gamut would facilitate unlimited scaling-down of the pixel leading to super ultra-high resolution LCD.
URI
https://www.nature.com/articles/s41598-018-30742-whttp://repository.hanyang.ac.kr/handle/20.500.11754/119644
ISSN
2045-2322
DOI
10.1038/s41598-018-30742-w
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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