Invention Grant
- Patent Title: Fluorescent lamp
- Patent Title (中): 日光灯
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Application No.: US12956005Application Date: 2010-11-30
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Publication No.: US08304974B2Publication Date: 2012-11-06
- Inventor: Satoru Watanabe , Kazuhiro Itoh , Naomichi Miyakawa , Kazunari Watanabe , Setsuro Ito
- Applicant: Satoru Watanabe , Kazuhiro Itoh , Naomichi Miyakawa , Kazunari Watanabe , Setsuro Ito
- Applicant Address: JP Tokyo
- Assignee: Asahi Glass Company, Limited
- Current Assignee: Asahi Glass Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2008-142911 20080530; JP2008-300978 20081126; JP2009-092082 20090406
- Main IPC: H01J1/62
- IPC: H01J1/62

Abstract:
The present invention relates to a fluorescent lamp including: a discharge space containing a discharge gas and being surrounded by a glass; a discharge electrode; a phosphor; and a mayenite type compound provided on at least a part of an inner surface contacting the discharge gas. According to the fluorescent lamp of the present invention, a fluorescent lamp that has good luminous efficiency of ultraviolet ray from a discharge gas, has good discharge characteristics such as discharge starting voltage and discharge sustaining voltage in a fluorescent lamp, is chemically stable, has excellent oxidation resistance, has excellent sputtering resistance, and can achieve electric power saving is provided.
Public/Granted literature
- US20110068678A1 FLUORESCENT LAMP Public/Granted day:2011-03-24
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