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.
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Chil-Sung Choi, Chil-Sung Choi, Alexander V. Morozov, Alexander V. Morozov, Alexander Koshelev, Alexander Koshelev, Sergey Dubynin, Sergey Dubynin, German Dubinin, German Dubinin, Sung-Hoon Lee, Sung-Hoon Lee, Jae-Seung Chung, Jae-Seung Chung, Geeyoung Sung, Geeyoung Sung, Jungkwuen An, Jungkwuen An, Hoon Song, Hoon Song, Juwon Seo, Juwon Seo, Hojung Kim, Hojung Kim, Wontaek Seo, Wontaek Seo, Andrey Putilin, Andrey Putilin, Sergey Kopenkin, Sergey Kopenkin, Yuriy Borodin, Yuriy Borodin, Sun Il Kim, Sun Il Kim, Hong-Seok Lee, Hong-Seok Lee, Joon-Yong Park, Joon-Yong Park, U-in Chung, U-in Chung, Sungwoo Hwang, 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); doi: 10.1117/12.2186387; https://doi.org/10.1117/12.2186387
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