Invention Grant
US07972013B2 Light source having a holding unit with air supply port for cooling air and projector
失效
光源具有带有用于冷却空气的空气供应口和投影仪的保持单元
- Patent Title: Light source having a holding unit with air supply port for cooling air and projector
- Patent Title (中): 光源具有带有用于冷却空气的空气供应口和投影仪的保持单元
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Application No.: US12070532Application Date: 2008-02-19
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Publication No.: US07972013B2Publication Date: 2011-07-05
- Inventor: Shigeyasu Soma , Takeshi Takezawa
- Applicant: Shigeyasu Soma , Takeshi Takezawa
- Applicant Address: JP Tokyo
- Assignee: Seiko Epson Corporation
- Current Assignee: Seiko Epson Corporation
- Current Assignee Address: JP Tokyo
- Agency: AdvantEdge Law Group, LLC
- Priority: JP2007-055192 20070306; JP2007-278537 20071026
- Main IPC: G03B21/18
- IPC: G03B21/18 ; G03B21/26
Abstract:
A light source includes an arc tube which emits light, a reflector which reflects the light emitted from the arc tube, and a holding unit which holds the reflector. The holding unit has an air supply port through which cooling air is introduced into the light source on the light emitting side of the arc tube, and a first rectifying portion which guides cooling air having been supplied from the air supply port and passed through the light emitting side of the arc tube toward an area above the arc tube.
Public/Granted literature
- US20080218050A1 Light source and projector Public/Granted day:2008-09-11
Information query
