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20 August 2015 Ultra-slim coherent backlight unit for mobile holographic display
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Abstract
We propose slim coherent backlight unit for a mobile holographic display. This backlight unit consists of glass substrate for waveguide and two surface gratings produced by two-beam interference. The area of backlight illumination is 150 by 85 mm, and the thickness is 0.7 mm, which is thin compared to other conventional coherent backlight units. This backlight unit exhibits a total efficiency of 0.1%, preserving the collimation and a uniformity of 80% over the whole area. The proposed slim coherent backlight can be applied to a mobile holographic display.
© (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chil-Sung Choi, Alexander V. Morozov, Alexander Koshelev, Sergey Dubynin, German Dubinin, Sung-Hoon Lee, Jae-Seung Chung, Geeyoung Sung, Jungkwuen An, Hoon Song, Juwon Seo, Hojung Kim, Wontaek Seo, Andrey Putilin, Sergey Kopenkin, Yuriy Borodin, Sun Il Kim, Hong-Seok Lee, Joon-Yong Park, U-in Chung, and Sungwoo Hwang "Ultra-slim coherent backlight unit for mobile holographic display", Proc. SPIE 9556, Nanoengineering: Fabrication, Properties, Optics, and Devices XII, 955606 (20 August 2015); https://doi.org/10.1117/12.2186387
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