Invention Grant
- Patent Title: Light-source cooling device and projection display device provided with same
- Patent Title (中): 光源冷却装置及投影显示装置
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Application No.: US12733615Application Date: 2008-11-19
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Publication No.: US08474983B2Publication Date: 2013-07-02
- Inventor: Shinichirou Jougo
- Applicant: Shinichirou Jougo
- Applicant Address: JP Tokyo
- Assignee: NEC Display Solutions, Ltd.
- Current Assignee: NEC Display Solutions, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: McGinn IP Law Group, PLLC
- Priority: JP2007-301521 20071121
- International Application: PCT/JP2008/070996 WO 20081119
- International Announcement: WO2009/066682 WO 20090528
- Main IPC: G03B21/18
- IPC: G03B21/18 ; G03B21/26 ; G03B21/16 ; F21V7/20
Abstract:
A light-source cooling device is provided that, without adopting a complex configuration, is capable of reducing the temperature difference between the top portion and bottom portion of a light source despite change of the installation orientation. The light-source cooling device of the present invention for cooling a light source (11) is provided with: two ventilation ducts (4and 5) for guiding cooling airflows (13a and 13b) to strike against the light source (11) from opposite directions, and two fans (2and 3) for impelling the cooling airflows (13a and 13b) to two airflow guide units (4and 5).
Public/Granted literature
- US20100201955A1 LIGHT-SOURCE COOLING DEVICE AND PROJECTION DISPLAY DEVICE PROVIDED WITH SAME Public/Granted day:2010-08-12
Information query
