Title:
ILLUMINATOR FOR BACK-LIGHTING IMAGE REPRODUCER
Document Type and Number:
Japanese Patent JP2008288618
Kind Code:
A
Abstract:
To provide an illuminator having a high luminance in a given area.
In an illuminator for back-lighting an image reproducer having light valves, it is proposed that light points constituted of at least one light emitting diode, are arranged in a grid on a thermal conductive support. Advantageously, an area of each light spot is smaller than an area defined by the grid.
Inventors:
NOLL HEINRICH DR
MAIER RALF
KROMOTIS PATRICK
BOGNER GEORG DIPL PHYS
MAIER RALF
KROMOTIS PATRICK
BOGNER GEORG DIPL PHYS
Application Number:
JP2008214602A
Publication Date:
November 27, 2008
Filing Date:
August 22, 2008
Export Citation:
Assignee:
SIEMENS AG
OSRAM OPTO SEMICONDUCTORS GMBH
OSRAM OPTO SEMICONDUCTORS GMBH
International Classes:
F21V25/02; F21V29/00; G02F1/13357; H01L33/60; H05B44/00; F21Y101/02; H01L25/075
Domestic Patent References:
| JP2000133029A | 2000-05-12 | |||
| JP2002503832A | 2002-02-05 | |||
| JP2001308384A | 2001-11-02 | |||
| JPH07262810A | 1995-10-13 | |||
| JP2002533870A | 2002-10-08 |
Attorney, Agent or Firm:
Takuya Kuno
Toshiomi Yamazaki
Kimihiro Hoshi
Toshiomi Yamazaki
Kimihiro Hoshi
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