Title:
LIGHT SOURCE DEVICE, SURFACE LIGHT SOURCE DEVICE, DISPLAY DEVICE AND LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/081038
Kind Code:
A1
Abstract:
A light source device is provided with: a light source section that shines light having a different directivity in each of two mutually orthogonal axial directions; and an anisotropic scattering sheet (anisotropic scattering section) having mutually different scattering characteristics in two mutually orthogonal axial directions, said anisotropic scattering sheet outputting as scattered light, light input from the light source section. The axial direction for which the directivity of the light output from the light source section is low is substantially aligned with the axial direction for which the scattering characteristic of the anisotropic scattering sheet is high.
Inventors:
TSUJIMOTO MASAHIRO
KAMADA TSUYOSHI
KATSUTA SHOHEI
SHINOZAKI DAISUKE
KAMADA TSUYOSHI
KATSUTA SHOHEI
SHINOZAKI DAISUKE
Application Number:
PCT/JP2012/080877
Publication Date:
June 06, 2013
Filing Date:
November 29, 2012
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F21S2/00; F21V5/04; F21V7/06; F21V7/22; G02F1/13357; F21Y101/02
Foreign References:
| JP2005038822A | 2005-02-10 | |||
| JP2005310594A | 2005-11-04 | |||
| JP2007073469A | 2007-03-22 | |||
| JP2002289023A | 2002-10-04 | |||
| JP2009157404A | 2009-07-16 |
Attorney, Agent or Firm:
FUNAYAMA Takeshi et al. (JP)
Takeshi Funayama (JP)
Takeshi Funayama (JP)
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