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Patent Searching and Data


Title:
DISPLAY APPARATUS AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2010072590
Kind Code:
A
Abstract:

To obtain a wide variety of visual effect without exchanging a cover member, in a display apparatus and electronic device.

The apparatus includes: a first light source 2; a first light guide plate 3 where the first light source 2 is arranged on an end surface 3a being an incident surface, and the light incident from the first light source 2 and guided is subjected to optical path conversion to emit the light in a planar form from a main surface side; a second light source 4; a second light guide plate 5 which is disposed above the first light guide plate 3, wherein the second light source 4 is arranged on an end surface 5a which is an incident surface, and the light incident from the second light source 4 is subjected to optical path conversion to emit the light in a planar form from the main surface side; and a light-shielding sheet 6 which is arranged between the first light guide plate 3 and the second light guide plate 5 and partly has a hole part, transparent or semi-transparent sheet light transmission region 6a.


Inventors:
YASUHARA MAKOTO
Application Number:
JP2008243129A
Publication Date:
April 02, 2010
Filing Date:
September 22, 2008
Export Citation:
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Assignee:
CITIZEN ELECTRONICS
International Classes:
G09F9/30; G02F1/13357; H04M1/02
Domestic Patent References:
JPS57157990U1982-10-04
JPH04239540A1992-08-27
JP2007122971A2007-05-17
JP2004080391A2004-03-11
Attorney, Agent or Firm:
Hideyuki Sugiura