Invention Grant
US09442352B2 Light source device including passage forming member and image projecting apparatus having the same
有权
光源装置包括通道形成构件和具有该通道形成构件的图像投影装置
- Patent Title: Light source device including passage forming member and image projecting apparatus having the same
- Patent Title (中): 光源装置包括通道形成构件和具有该通道形成构件的图像投影装置
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Application No.: US14444124Application Date: 2014-07-28
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Publication No.: US09442352B2Publication Date: 2016-09-13
- Inventor: Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi
- Applicant: Takehiro Nishimori , Kazuhiro Fujita , Toshiharu Murai , Tatsuya Takahashi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2013-167398 20130812
- Main IPC: G03B21/16
- IPC: G03B21/16 ; H04N9/31 ; G03B21/20
Abstract:
A light source device includes: a first light emitting unit including a light emitting element that emits light having a predetermined wavelength range; a second light emitting unit including a wavelength conversion member that receives the light from the light emitting element and emits light having a different wavelength range different than the predetermined wavelength range; an optical unit configured to define a path of the light emitted from the light emitting element and a path of the light emitted from the wavelength conversion member; an air blowing unit configured to generate a cooling air; and a passage forming member configured to form a passage through which the cooling air flows, the passage being in contact with both of the first light emitting unit and the second light emitting unit.
Public/Granted literature
- US20150042963A1 LIGHT SOURCE DEVICE AND IMAGE PROJECTING APPARATUS HAVING THE SAME Public/Granted day:2015-02-12
Information query
