Invention Grant
- Patent Title: Light source device
- Patent Title (中): 光源装置
-
Application No.: US11610157Application Date: 2006-12-13
-
Publication No.: US08410697B2Publication Date: 2013-04-02
- Inventor: Kazuhiro Goto , Akihiko Sugitani , Shoichi Terada , Takahiro Toma
- Applicant: Kazuhiro Goto , Akihiko Sugitani , Shoichi Terada , Takahiro Toma
- Applicant Address: JP Tokyo
- Assignee: Ushiodenki Kabushiki Kaisha
- Current Assignee: Ushiodenki Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Roberts Mlotkowski Safran & Cole, P.C.
- Agent David S. Safran
- Priority: JP2005-358476 20051213
- Main IPC: H01J17/04
- IPC: H01J17/04 ; H01J61/04 ; H01J1/00 ; H01K1/02
Abstract:
A light source device which can also advantageously control the growth of the projection using the DMD type is achieved in a light source device which has an ultrahigh pressure discharge lamp) in which the silica glass discharge vessel is filled with greater than or equal to 0.15 mg/mm3 mercury and bromine; a feed device; an oval reflector; and a color wheel by the electrode on the side of the opening of the oval reflector of the discharge lamp having an increased diameter, and the relation 0.06
Public/Granted literature
- US20070132403A1 LIGHT SOURCE DEVICE Public/Granted day:2007-06-14
Information query
