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Patent Searching and Data


Title:
LENS AND LIGHT SOURCE UNIT
Document Type and Number:
WIPO Patent Application WO/2012/144448
Kind Code:
A1
Abstract:
By being arranged to cover the light-emitting surface (23) of a light source (2), a lens cap (3) guides the light emitted from the light source (2) in a direction oblique to the light source (2). The lens cap (3) is provided with a light-transmitting region (33) and a light-blocking region (34) in plan view. The light-transmitting region (33) is separated into multiple regions by the light-blocking region (34) so that the light that enters from the light source (2) is emitted after being separated into different directions by passing through the light-transmitting region (33).

Inventors:
ARAKI RYOH
OYOBE KEI
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
Application Number:
PCT/JP2012/060237
Publication Date:
October 26, 2012
Filing Date:
April 16, 2012
Export Citation:
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Assignee:
SHARP KK (JP)
ARAKI RYOH
OYOBE KEI
HIRAYAMA YOSHINOBU
YANAGI TOSHIHIRO
International Classes:
G02B5/00; F21V5/00; G02B3/00; G02B3/08; G02B3/14; G02F1/13; G02F1/1335; G02F1/13357; F21Y101/02
Foreign References:
JP2009218243A2009-09-24
JP2008071856A2008-03-27
JP2006040861A2006-02-09
JP2004165352A2004-06-10
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
Patent business corporation Hara [Kenzo] international patent firm (JP)
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