Invention Grant
- Patent Title: Lighting device
- Patent Title (中): 照明设备
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Application No.: US11058362Application Date: 2005-02-16
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Publication No.: US07432643B2Publication Date: 2008-10-07
- Inventor: Masanori Haba , Hirokazu Fujii
- Applicant: Masanori Haba , Hirokazu Fujii
- Applicant Address: JP Osaka
- Assignee: Dialight Japan Co., Ltd.
- Current Assignee: Dialight Japan Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JPP2004-089051 20040325; JPP2004-249718 20040830; JPP2004-249719 20040830
- Main IPC: H01J1/62
- IPC: H01J1/62
Abstract:
A lighting device of the present invention has a wire-shaped cathode provided along an axial direction, a phosphor-coated anode that opposes to the wire-shaped cathode in the axial direction and a vacuum sealing tube that vacuum-seals these cathode and anode, wherein the wire-shaped cathode has a wire and a carbon film provided on the entire circumference of this wire, and the phosphor-coated anode has an anode section and a phosphor section provided on this anode section.
Public/Granted literature
- US20050212402A1 Lighting device Public/Granted day:2005-09-29
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