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Chin. Phys. B, 2019, Vol. 28(12): 124208    DOI: 10.1088/1674-1056/ab53d1
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Wide color gamut switchable autostereoscopic 3D display based on directional quantum-dot backlight

Bin Xu(徐斌), Xue-Ling Li(李雪玲), Yuan-Qing Wang(王元庆)
School of Electronic Science and Engineering, Nanjing University, Nanjing 210023, China
Abstract  A switchable autostereoscopic 3-dimensional (3D) display device with wide color gamut is introduced in this paper. In conjunction with a novel directional quantum-dot (QD) backlight, the precise scanning control strategy, and the eye-tracking system, this spatial-sequential solution enables our autostereoscopic display to combine all the advantages of full resolution, wide color gamut, low crosstalk, and switchable 2D/3D. And also, we fabricated an autostereoscopic display prototype and demonstrated its performances effectively. The results indicate that our system can both break the limitation of viewing position and provide high-quality 3D images. We present two working modes in this system. In the spatial-sequential mode, the crosstalk is about 6%. In the time-multiplexed mode, the viewer should wear auxiliary and the crosstalk is about 1%, just next to that of a commercial 3D display (BENQ XL2707-B and View Sonic VX2268WM). Additionally, our system is also completely compatible with active shutter glasses and its 3D resolution is same as its 2D resolution. Because of the excellent properties of the QD material, the color gamut can be widely extended to 77.98% according to the ITU-R recommendation BT.2020 (Rec.2020).
Keywords:  three-dimensional (3D) display      directional and scanning quantum-dot backlight      color gamut      full resolution  
Received:  13 July 2019      Revised:  08 October 2019      Published:  05 December 2019
PACS:  42.79.Kr (Display devices, liquid-crystal devices)  
  07.07.Hj (Display and recording equipment, oscilloscopes, TV cameras, etc.)  
  42.15.Eq (Optical system design)  
Fund: Project supported by the National Key R&D Program of China (Grant No. 2016YFB0401503) and the R&D Plan of Jiangsu Science and Technology Department, China (Grant No. BE2016173).
Corresponding Authors:  Yuan-Qing Wang     E-mail:  yqwang@nju.edu.cn

Cite this article: 

Bin Xu(徐斌), Xue-Ling Li(李雪玲), Yuan-Qing Wang(王元庆) Wide color gamut switchable autostereoscopic 3D display based on directional quantum-dot backlight 2019 Chin. Phys. B 28 124208

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