Invention Grant
- Patent Title: Metal halide lamp and lighting apparatus
- Patent Title (中): 金属卤化物灯和照明装置
-
Application No.: US14119267Application Date: 2011-07-26
-
Publication No.: US08970109B2Publication Date: 2015-03-03
- Inventor: Yasushi Sasai , Kanae Matsumoto
- Applicant: Yasushi Sasai , Kanae Matsumoto
- Applicant Address: JP Chuo-Ku, Tokyo
- Assignee: Iwasaki Electric Co., Ltd.
- Current Assignee: Iwasaki Electric Co., Ltd.
- Current Assignee Address: JP Chuo-Ku, Tokyo
- Agency: Robinson Intellectual Property Law Office, P.C.
- Agent Eric J. Robinson
- International Application: PCT/JP2011/066921 WO 20110726
- International Announcement: WO2013/014746 WO 20130131
- Main IPC: H01J61/62
- IPC: H01J61/62 ; H01J61/12 ; H01J61/34 ; F21V7/00 ; F21V23/02

Abstract:
Provided is a metal halide lamp having a ceramics arc tube, wherein a rated power is 35 to 100 W and a color temperature is 2800 to 3700 K, wherein halogen additives as light emission materials are included in the arc tube, wherein the halogen additives consists of (1) cerium (Ce); (2) sodium (Na); (3) calcium (Ca); (4) thallium (Tl); and (5) rare earth metal comprising at least one of dysprosium (Dy), thulium (Tm), and holmium (Ho), and the halogen additives are iodide compounds, wherein, for respective composition ratios of the halogen additives for (1) to (4), cerium iodide is 1.5 mol % to 3.0 mol %; sodium iodide is 45 mol % to 90 mol %; calcium iodide is 5 mol % to 15 mol %; and thallium iodide is 2 mol % to 7 mol %.
Public/Granted literature
- US20140078745A1 METAL HALIDE LAMP AND LIGHTING APPARATUS Public/Granted day:2014-03-20
Information query