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Paper Abstract and Keywords
Presentation 2020-10-20 14:50
3D/2D partially convertible display using geometric phase lens array for backlight control
Hayato Watanabe, Takuya Omura, Naoto Okaichi, Hisayuki Sasaki, Masahiro Kawakita (NHK), Bahram Javidi (UConn)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose an display method that can convert between 3D and 2D images over the whole or a part of the display screen by using a specialized lens array consisting of geometric phase lenses. In the proposed method, when parallel light rays with horizontal polarization are incident on the lens array, a point light source array for reproducing integral 3D images are generated on the diffusion plate. On the contrary, when parallel light rays with vertical polarization are incident, diffused light for reproducing 2D images is generated. We prototyped a monochromatic display system and confirmed that it can convert between 3D images with the resolution of 177 × 88 pixels and 2D images with the resolution of 7,680 × 4,320 pixels.
Keyword (in Japanese) (See Japanese page) 
(in English) 3D/2D convertible display / integral imaging / geometric phase lens / backlight control / / / /  
Reference Info. ITE Tech. Rep., vol. 44, Oct. 2020.
Paper #  
Date of Issue 2020-10-13 (3DIT) 
ISSN Print edition: ISSN 1342-6893    Online edition: ISSN 2424-1970
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Conference Information
Committee 3DMT  
Conference Date 2020-10-20 - 2020-10-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 3D Imaging, Hyper-Realistic Imaging, etc. 
Paper Information
Registration To 3DMT 
Conference Code 2020-10-3DIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 3D/2D partially convertible display using geometric phase lens array for backlight control 
Sub Title (in English)  
Keyword(1) 3D/2D convertible display  
Keyword(2) integral imaging  
Keyword(3) geometric phase lens  
Keyword(4) backlight control  
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1st Author's Name Hayato Watanabe  
1st Author's Affiliation Science & Technology Research Laboratories, NHK (Japan Broadcasting Corporation) (NHK)
2nd Author's Name Takuya Omura  
2nd Author's Affiliation Science & Technology Research Laboratories, NHK (Japan Broadcasting Corporation) (NHK)
3rd Author's Name Naoto Okaichi  
3rd Author's Affiliation Science & Technology Research Laboratories, NHK (Japan Broadcasting Corporation) (NHK)
4th Author's Name Hisayuki Sasaki  
4th Author's Affiliation Science & Technology Research Laboratories, NHK (Japan Broadcasting Corporation) (NHK)
5th Author's Name Masahiro Kawakita  
5th Author's Affiliation Science & Technology Research Laboratories, NHK (Japan Broadcasting Corporation) (NHK)
6th Author's Name Bahram Javidi  
6th Author's Affiliation University of Connecticut (UConn)
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Speaker Author-1 
Date Time 2020-10-20 14:50:00 
Presentation Time 15 minutes 
Registration for 3DMT 
Paper # 3DIT2020-30 
Volume (vol) vol.44 
Number (no) no.27 
Page pp.57-60 
#Pages 4 
Date of Issue 2020-10-13 (3DIT) 

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