24 October 2017 Fabrication and performance study of light guide plate for LCD backlight based on quantum-dot scattering microstructure array
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Proceedings Volume 10459, AOPC 2017: Optical Storage and Display Technology; 104590S (2017) https://doi.org/10.1117/12.2284915
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China
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.
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Hongxing Xie, Jiamin Huang, Yun Ye, Enguo Chen, Sheng Xu, "Fabrication and performance study of light guide plate for LCD backlight based on quantum-dot scattering microstructure array", Proc. SPIE 10459, AOPC 2017: Optical Storage and Display Technology, 104590S (24 October 2017); doi: 10.1117/12.2284915; https://doi.org/10.1117/12.2284915
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