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Title:
表示装置、および誘導灯
Document Type and Number:
Japanese Patent JP4989371
Kind Code:
B2
Abstract:

To provide a display device wherein brightness of respective light-emitting faces of both light guide plates is made equal, and to provide a guide light.

The display device is equipped with the light guide plates 1A, 1B which have light-incident faces 1b at the side face in the direction orthogonal to the thickness direction and light-emitting faces 1a at one face in the thickness direction, and which are arranged in a form overlapped in the thickness direction in a state that the light-emitting face 1a faces the outside, the device main body 2 interposed between the light guide plates 1A, 1B, and a display plate 3 arranged in a form opposing to the respective light-emitting faces 1a of the light guide plates 1A, 1B. In the device main body 2, a plurality of lighting devices 4 which respectively light on a first light source 5 for the light guide plate 1A and a second light source 6 for the light guide plate 1B are housed. As for the device main body 2, the first light source 5 and the second light source 6 to be lighted on by the same lighting device 4 are retained in a form that respective electrodes are mutually adjacent, and at the output end of the high potential side of the lighting devices 4, one electrodes of the first light source 5 and the second light source 6 are respectively connected.

COPYRIGHT: (C)2009,JPO&INPIT


Inventors:
松▲崎▼ 純
Yasunori Kawase
Koji Yamashita
Yuji Tateno
Application Number:
JP2007221801A
Publication Date:
August 01, 2012
Filing Date:
August 28, 2007
Export Citation:
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Assignee:
Panasonic Corporation
International Classes:
F21S2/00; F21S9/02; F21V8/00; F21V23/00; G02B6/00; F21Y103/00
Domestic Patent References:
JP2003203511A
JP2001126513A
JP61085009U
JP7320510A
Attorney, Agent or Firm:
Keisei Nishikawa



 
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