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Fabrication and performance study of light guide plate for LCD backlight based on quantum-dot scattering microstructure array
Author(s): Hongxing Xie; Jiamin Huang; Yun Ye; Enguo Chen; Sheng Xu
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Paper Abstract

Light Guide Plate (LGP) plays an irreplaceable role in Liquid Crystal Display (LCD) backlight. LGP with quantum-dot (QD) shows promise in the development of next-generation displays because of QDs’ beneficial characteristics. In this paper, we present a novel QD LGP for LCD backlight based on QD scattering microstructure array (SMA), in which the QD net dots are located discretely and arranged in arrays on the bottom surface of LGP. The paper first introduces the QD backlight briefly, then discusses the preparation and fabrication process of the proposed prototype, and finally presents a systematic photometric approach to reveal the remarkable advantages of QD backlight. The white-balance is achieved by adjusting the proportion of the QDs in the mixture and optimizing the R-QD / G-QD ratio. The apparent morphology of QD SMA is characterized by OLYMPUS laser microscope, while the optical properties of QD backlight are investigated by F-4600 fluorescence spectrophotometer and SRC-200M spectrum color luminance meter, respectively. Experimental results show that the white balance can be achieved when the QDs account for a certain proportion about 7% within the mixture, and the ratio of R-QD / G-QD is optimized to about 1:12. The proposed system offers an alternative and feasible method for fabricating QD backlight, which may have great application prospects in the future.

Paper Details

Date Published: 24 October 2017
PDF: 8 pages
Proc. SPIE 10459, AOPC 2017: Optical Storage and Display Technology, 104590S (24 October 2017); doi: 10.1117/12.2284915
Show Author Affiliations
Hongxing Xie, Fuzhou Univ. (China)
Jiamin Huang, Fuzhou Univ. (China)
Yun Ye, Fuzhou Univ. (China)
Enguo Chen, Fuzhou Univ. (China)
Sheng Xu, Fuzhou Univ. (China)


Published in SPIE Proceedings Vol. 10459:
AOPC 2017: Optical Storage and Display Technology
Byoungho Lee; Yongtian Wang; Xiaodi Tan; Xiangping Li, Editor(s)

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