Title:
An optical guide and the optical structure incorporating a low refractive-index film
Document Type and Number:
Japanese Patent JP6162832
Kind Code:
B2
Abstract:
Optical constructions use a low index of refraction layer disposed between a low absorption layer and a high absorption layer to increase confinement of light to the low absorption region of the optical constructions. Low index layers can be used in optical constructions that have multi-tiered light confinement. In these constructions, a first tier of reflection is provided when light is reflected at the surface of a low index optical film which is disposed directly or indirectly on a light guide. A second tier of reflection occurs at the surface of a light redirecting film having appropriately oriented refractive structures.
Inventors:
John A. Wheatley
Ryu Tao
Hao Enkai
Ryu Tao
Hao Enkai
Application Number:
JP2016001625A
Publication Date:
July 12, 2017
Filing Date:
January 07, 2016
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
G02B5/02; F21S2/00; F21V5/00; F21V23/00; G02F1/13357; G09F13/18
Domestic Patent References:
| JP2008241889A | ||||
| JP2005134441A | ||||
| JP2006146241A | ||||
| JP2009086577A | ||||
| JP2009283441A | ||||
| JP2009064575A | ||||
| JP2009266409A | ||||
| JP2009522717A |
Foreign References:
| US20080225506 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Masatoshi Takahashi
Hajime Kawahara
Naori Kota
Satoshi Deno
Takashi Ishida
Tetsuji Koga
Masatoshi Takahashi
Hajime Kawahara
Naori Kota
Satoshi Deno
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