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Title:
照明装置
Document Type and Number:
Japanese Patent JP5194968
Kind Code:
B2
Abstract:

To provide a lighting system enabling to emit light from an EL illuminant in a desired direction.

The lighting system 30 (30C, 30D) comprises the EL illuminant 10 as a light source, and an optical member 20 (20A, 20B, 20G) for mainly condensing or deflecting light in the direction of substantially showing the highest brightness, out of light to be emitted from the EL illuminant 10 in predetermined brightness distribution. The optical member may be formed as a light condensing member 20A which condenses light emitted from the EL illuminant 10 in a normal direction, e.g., or as deflecting members 20B, 20G which deflect light from the normal direction into a non-normal direction. More concretely, the optical member can be formed with a fine lens or prism or with a hologram.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
Tokuhisa Moriya
Application Number:
JP2008099995A
Publication Date:
May 08, 2013
Filing Date:
April 08, 2008
Export Citation:
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Assignee:
Dai Nippon Printing Co.,Ltd.
International Classes:
F21V13/12; F21S2/00; F21V14/00; F21V14/06; H01L51/50; H05B33/02; H05B33/14; F21Y105/00
Domestic Patent References:
JP11072788A
JP3132453U
JP2008547161A
JP2000206001A
JP2007180001A
Foreign References:
WO2006134536A1
Attorney, Agent or Firm:
Shunichi Yoshimura



 
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