Invention Application
- Patent Title: LOW REFRACTIVE INDEX LAYER, LAMINATED FILM, METHOD FOR PRODUCING LOW REFRACTIVE INDEX LAYER, METHOD FOR PRODUCING LAMINATED FILM, OPTICAL ELEMENT, AND IMAGE DISPLAY DEVICE
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Application No.: US15758073Application Date: 2016-09-06
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Publication No.: US20180215124A1Publication Date: 2018-08-02
- Inventor: Daisuke Hattori , Kazuhito Hosokawa
- Applicant: NITTO DENKO CORPORATION
- Applicant Address: JP Ibaraki-shi, Osaka
- Assignee: NITTO DENKO CORPORATION
- Current Assignee: NITTO DENKO CORPORATION
- Current Assignee Address: JP Ibaraki-shi, Osaka
- Priority: JP2015-176211 20150907; JP2016-172343 20160903
- International Application: PCT/JP2016/076217 WO 20160906
- Main IPC: B32B5/18
- IPC: B32B5/18 ; B32B27/20 ; B32B7/02 ; B32B7/14 ; G02B1/111 ; G02B1/14

Abstract:
The present invention aims to provide a low refractive index layer that can attain both a low refractive index and a high mechanical strength even when it has a large thickness. The low refractive index layer of the present invention is a low refractive index layer in the form of a void-containing layer, wherein hollow particles each having a void space inside are further contained in the void-containing layer, and the low refractive index layer has a refractive index of 1.25 or less.
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