Title:
ILLUMINATION DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2016/104363
Kind Code:
A1
Abstract:
This illumination device 10 is provided with: an annular light source array 170 that comprises an annularly arrayed plurality of light sources 17; a light-guiding plate 14 that is a plate-like member that, seen in plan view, forms an approximate circle and is arranged circularly inside the annular light source array 170 so as to be concentric therewith, that has a plurality of light-receiving parts 141 that are parts of an outer-circumferential edge part 14c that face the light sources 17 and receive light from the light sources 17, that has circumferential-direction overlap parts 142 that are arranged between adjacent light-receiving parts 141, that have a radial-direction length R2 that is longer than the radial-direction length R1 of the light-receiving parts 141, that overlap the light sources 17 in the circumferential direction, and that can come into contact with the light sources 17 when rotated in the circumferential direction, and that has a light-emitting part 14a that emits light that has been received from the light-receiving parts 141 to the outside; and a housing 13 that houses the annular light source array 170 and the light-guiding plate 14 such that the position of the plurality of light sources 17 is fixed, and that has a side wall part 13b that surrounds the outer-circumferential edge part 14c of the light-guiding plate 14.
Inventors:
YUKI RYUZO
WATANABE HISASHI
MASUDA TAKESHI
MURATA MITSUHIRO
KADOWAKI SHINYA
ISHIDA TAKESHI
WATANABE HISASHI
MASUDA TAKESHI
MURATA MITSUHIRO
KADOWAKI SHINYA
ISHIDA TAKESHI
Application Number:
PCT/JP2015/085491
Publication Date:
June 30, 2016
Filing Date:
December 18, 2015
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
F21S2/00; F21V17/00; F21V17/10; F21Y115/10
Foreign References:
| JP2013127854A | 2013-06-27 | |||
| JP2011034692A | 2011-02-17 | |||
| JP2007019024A | 2007-01-25 | |||
| JP2014206656A | 2014-10-30 |
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
Patent business corporation dawn joint patent firm (JP)
Patent business corporation dawn joint patent firm (JP)
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