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Title:
POLARIZATION SEPARATING FILM AND ILLUMINATOR FOR DISPLAY DEVICE USING THE POLARIZATION SEPARATING FILM
Document Type and Number:
Japanese Patent JP2008116943
Kind Code:
A
Abstract:

To provide a polarization separating film, and an illuminator for a display device using the polarization separating film.

The polarization separating film comprises: an isotropic layer 31 having a refractive index same for light having first and second polarization components which are perpendicular to each other; an anisotropic layer 33 disposed on an upper surface of the isotropic layer and having a refractive index different for light having first and second polarization components which are perpendicular to each other; a first micropattern 32 disposed on a lower surface of the isotropic layer which changes an optical path of incident light; and a second micropattern 34 which is disposed on an interface between the isotropic layer and the anisotropic layer, for totally reflecting light having the first polarization component and transmitting light having the second polarization component.


Inventors:
HWANG SEONG-MO
WEE DONG-HO
MINAMI NORIHIRO
Application Number:
JP2007278093A
Publication Date:
May 22, 2008
Filing Date:
October 25, 2007
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD
International Classes:
G02B5/30; F21V5/00; F21V8/00; G02B5/02; G02B27/28; G02F1/13357
Attorney, Agent or Firm:
Hatta International Patent Corporation