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Patent Searching and Data


Title:
LIGHT EMISSION DEVICE, DISPLAY DEVICE, AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/208484
Kind Code:
A1
Abstract:
Provided is a light emission device having excellent light emission performance despite having a thin profile. This light emission device is provided with: a base having an obverse surface; one or more light sources having an optical axis, the light sources being provided on the obverse surface of the base; a reflective lens provided so that the light sources are disposed between the reflective lens and the base; a reflective sheet provided along the obverse surface of the base so as to surround the light sources, the reflective sheet having a first surface angled at a first angle with respect to a plane substantially orthogonal to the optical axis so as to increase in distance from the base correspondingly with respect to an increase in the distance from the light sources; and a light diffusion member provided so that the light sources, the reflective lens, and the reflective sheet are disposed between the light diffusion member and the base.

Inventors:
KAWASE MITSUHIRO (JP)
TAKAKUWA YOHEI (JP)
CORN ROGER (JP)
Application Number:
PCT/JP2016/067927
Publication Date:
December 29, 2016
Filing Date:
June 16, 2016
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
F21S2/00; F21S6/00; F21S8/04; F21V5/00; F21V7/00; F21V7/09; G02F1/13357; F21Y115/10
Foreign References:
JP2008270144A2008-11-06
JP2012212509A2012-11-01
JP2004235092A2004-08-19
Other References:
See also references of EP 3315846A4
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
Patent business corporation wings international patent firm (JP)
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