Title:
面状発光装置及びその製造方法
Document Type and Number:
Japanese Patent JP5194173
Kind Code:
B2
Abstract:
A planar light emitting device provided with a light source; a sheet-like light guide that is arranged in the vicinity of the light source to guide light from the light source in a planar direction, and has a plurality of light emitting regions, and a through slit that is formed between the light emitting regions to penetrate the light guide in a thickness direction; a switch sheet that is arranged so as to face one of the front face and the rear face of the light guide; and a light-blocking layer that has a flange portion that covers an opening edge portion of the through slit, a main body portion that covers at least one of the mutually facing inner wall surfaces of the through slit so as to form a space in the interior of the through slit and that continuous with the flange portion, and a bottom portion that is extended from a lower portion of the main body portion.
Inventors:
Inada Gusada
Shinpei Sato
Takashi Edo
Shinpei Sato
Takashi Edo
Application Number:
JP2011519605A
Publication Date:
May 08, 2013
Filing Date:
June 24, 2010
Export Citation:
Assignee:
Fujikura Ltd.
International Classes:
H01H13/02; H01H11/00; H01H13/702
Domestic Patent References:
| JP2009117233A | 2009-05-28 | |||
| JP2008269889A | 2008-11-06 | |||
| JP2004185976A | 2004-07-02 | |||
| JPH11237259A | 1999-08-31 | |||
| JP2009146653A | 2009-07-02 |
Attorney, Agent or Firm:
Masatake Shiga
Sumio Tanai
Mitsunaga Igarashi
Toshio Komuro
Yuichiro Shimizu
Sumio Tanai
Mitsunaga Igarashi
Toshio Komuro
Yuichiro Shimizu