Title:
LIGHTING DEVICE AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/014529
Kind Code:
A1
Abstract:
A lighting device (2), which is provided with a light emitting diode (light source) (4) and a light-guiding plate (7) that guides the light from the light emitting diode (4) in a designated propagation direction and outputs the light to a liquid crystal panel (irradiated object) (3), is provided with first to third light-guiding members (71-73), which are stacked in a designated direction, on the light-guiding plate (7). Further, each of the light-guiding members is provided with light blocking slots (71c, 71d, 72c, 72d, 73c) and reflective sheets (reflective members) (71h, 71i, 72h, 72i, 73g, 73h) in such a manner that multiple light emitting areas, which each emit light from multiple light emitting diodes (4), are formed on the light emitting surface (7a) of the light-guiding plate (7).
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Inventors:
TERAGAWA Daisuke (())
Application Number:
JP2011/058196
Publication Date:
February 02, 2012
Filing Date:
March 31, 2011
Export Citation:
Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-cho Abeno-ku, Osaka-sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
International Classes:
F21S2/00; G02F1/13357; F21Y101/02
Attorney, Agent or Firm:
IKEUCHI SATO & PARTNER PATENT ATTORNEYS (26th Floor, OAP TOWER 8-30, Tenmabashi 1-chome, Kita-ku, Osaka-sh, Osaka 26, 〒5306026, JP)
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