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Title:
OPTICAL CONVERSION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTOR
Document Type and Number:
WIPO Patent Application WO/2016/185850
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a small and high-reliability optical conversion device and light source device, and a projector, whereby heat given off by a phosphor can be cooled without using a motor. The optical conversion device of the present disclosure is provided with: a phosphor (12) that is excited by an excitation light; a first condensing lens (11A) having a lens surface to which the phosphor is joined, the condensing lens causing the excitation light to impinge on the phosphor; and a heat-radiating member (14) to which the lens surface is bonded at least around the area to which the phosphor is joined.

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Inventors:
KOBAYASHI IZUSHI (JP)
MAEDA YUKI (JP)
MOCHIZUKI TAKAHIRO (JP)
OBINATA MARIKO (JP)
TAJIRI SHINICHIRO (JP)
Application Number:
JP2016/062308
Publication Date:
November 24, 2016
Filing Date:
April 19, 2016
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
G03B21/16; F21S2/00; F21V29/502; F21V29/70; F21V29/76; G03B21/00; G03B21/14; H04N5/74
Domestic Patent References:
WO2009093431A12009-07-30
Foreign References:
JP2014165058A2014-09-08
JP2012185403A2012-09-27
JP2014123014A2014-07-03
JP2012169189A2012-09-06
JP2014507013A2014-03-20
JP2012129151A2012-07-05
JP2010197500A2010-09-09
JP2015230354A2015-12-21
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
特許業務法人つばさ国際特許事務所 (JP)
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