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JP2011003379A5 - - Google Patents

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Publication number
JP2011003379A5
JP2011003379A5 JP2009145047A JP2009145047A JP2011003379A5 JP 2011003379 A5 JP2011003379 A5 JP 2011003379A5 JP 2009145047 A JP2009145047 A JP 2009145047A JP 2009145047 A JP2009145047 A JP 2009145047A JP 2011003379 A5 JP2011003379 A5 JP 2011003379A5
Authority
JP
Japan
Prior art keywords
cooling electrode
shape
electrode
cooling
sub
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
JP2009145047A
Other languages
Japanese (ja)
Other versions
JP2011003379A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2009145047A priority Critical patent/JP2011003379A/en
Priority claimed from JP2009145047A external-priority patent/JP2011003379A/en
Priority to US12/818,030 priority patent/US8395306B2/en
Priority to CN2010102073437A priority patent/CN101930156A/en
Publication of JP2011003379A publication Critical patent/JP2011003379A/en
Publication of JP2011003379A5 publication Critical patent/JP2011003379A5/ja
Withdrawn legal-status Critical Current

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Description

図９は、本発明の実施例３に係る光源装置１５２の分解斜視図である。上記の実施例と同一の部分には同一の符号を付し、重複する説明を省略する。本実施例３では第２冷却用電極１９が、アルミニウムをシート状に形成したアルミシートにより構成されている。第２冷却用電極１９は、平面視において第１冷却用電極１８側となる縁部が、凹凸のある鋸刃形状とされている。例えば、アルミシートを所望の形状に型抜きすることで、鋸刃形状を備える第２冷却用電極１９とする。第２冷却用電極１９は、副反射鏡１３の延伸部２３に貼り付けられる。第１冷却用電極１８と第２冷却用電極１９との間に電圧を印加すると、鋸刃形状の複数の頂部１９ｂと第１冷却用電極１８との間で、コロナ放電によるイオン風が発生する。イオン風によって、発光部１５と副反射面１３ａとの間の空気を流動させて、発光部１５を効率的に冷却させることができる。   FIG. 9 is an exploded perspective view of the light source device 152 according to the third embodiment of the present invention. The same parts as those in the above embodiment are denoted by the same reference numerals, and redundant description is omitted. In the third embodiment, the second cooling electrode 19 is composed of an aluminum sheet in which aluminum is formed in a sheet shape. The edge of the second cooling electrode 19 on the first cooling electrode 18 side in plan view has a saw-tooth shape with irregularities. For example, the second cooling electrode 19 having a saw blade shape is obtained by punching an aluminum sheet into a desired shape. The second cooling electrode 19 is attached to the extending portion 23 of the sub-reflecting mirror 13. When a voltage is applied between the first cooling electrode 18 and the second cooling electrode 19, an ion wind due to corona discharge is generated between the plurality of saw blade-shaped top portions 19 b and the first cooling electrode 18. . The air between the light emitting unit 15 and the sub-reflecting surface 13a is caused to flow by the ion wind, so that the light emitting unit 15 can be efficiently cooled.

JP2009145047A 2009-06-18 2009-06-18 Light source device and projector Withdrawn JP2011003379A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009145047A JP2011003379A (en) 2009-06-18 2009-06-18 Light source device and projector
US12/818,030 US8395306B2 (en) 2009-06-18 2010-06-17 Light source unit and projector
CN2010102073437A CN101930156A (en) 2009-06-18 2010-06-18 Light source device and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009145047A JP2011003379A (en) 2009-06-18 2009-06-18 Light source device and projector

Publications (2)

Publication Number Publication Date
JP2011003379A JP2011003379A (en) 2011-01-06
JP2011003379A5 true JP2011003379A5 (en) 2012-06-07

Family

ID=43561196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009145047A Withdrawn JP2011003379A (en) 2009-06-18 2009-06-18 Light source device and projector

Country Status (1)

Country Link
JP (1) JP2011003379A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6878676B2 (en) * 2018-02-21 2021-06-02 株式会社Sumco Wafer manufacturing method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08114857A (en) * 1994-10-14 1996-05-07 Mitsubishi Electric Corp Light source device
JP3584031B2 (en) * 2002-03-28 2004-11-04 三洋電機株式会社 Projection type video display

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