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Paper Abstract and Keywords
Presentation 2019-08-02 13:00
[Invited Lecture] A 5.5-inch Full HD Foldable AMOLED Display Based on Neutral-Plane Splitting Concept
Masumi Nishimura, kisako takebayashi, masatomo hishinuma, Hajime Yamaguchi, akio murayama (JDI)
Abstract (in Japanese) (See Japanese page) 
(in English) Splitting of the mechanical neutral plane is a promising concept for foldable displays because it reduces the folding stress in each layer of the display. We verified the splitting concept experimentally and revealed a linear relation between the position of the neutral plane and the logarithm of the adhesive's elastic modulus. As the modulus decreased, the position of the neutral plane approached that of perfect splitting. Based on the neutral-plane splitting concept, we developed 5.5-inch FHD foldable active-matrix organic light-emitting diode (AMOLED) displays, which endured 150k inward folding cycles with a radius of 3 mm and 150k outward folding cycles with a radius of 5 mm.
Keyword (in Japanese) (See Japanese page) 
(in English) Foldable display / neutral-plane splitting / adhesive / OLED / / / /  
Reference Info. ITE Tech. Rep., vol. 43, no. 24, IDY2019-41, pp. 1-4, Aug. 2019.
Paper # IDY2019-41 
Date of Issue 2019-07-26 (IDY) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2019-08-02 - 2019-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Information Display 
Paper Information
Registration To IDY 
Conference Code 2019-08-IDY-EID-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A 5.5-inch Full HD Foldable AMOLED Display Based on Neutral-Plane Splitting Concept 
Sub Title (in English)  
Keyword(1) Foldable display  
Keyword(2) neutral-plane splitting  
Keyword(3) adhesive  
Keyword(4) OLED  
1st Author's Name Masumi Nishimura  
1st Author's Affiliation Japan Display Inc. (JDI)
2nd Author's Name kisako takebayashi  
2nd Author's Affiliation Japan Display Inc. (JDI)
3rd Author's Name masatomo hishinuma  
3rd Author's Affiliation Japan Display Inc. (JDI)
4th Author's Name Hajime Yamaguchi  
4th Author's Affiliation Japan Display Inc. (JDI)
5th Author's Name akio murayama  
5th Author's Affiliation Japan Display Inc. (JDI)
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Date Time 2019-08-02 13:00:00 
Presentation Time 25 
Registration for IDY 
Paper # ITE-IDY2019-41 
Volume (vol) ITE-43 
Number (no) no.24 
Page pp.1-4 
#Pages ITE-4 
Date of Issue ITE-IDY-2019-07-26 

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