TW200721239A - Short-arc discharge lamp - Google Patents

Short-arc discharge lamp

Info

Publication number
TW200721239A
TW200721239A TW095125664A TW95125664A TW200721239A TW 200721239 A TW200721239 A TW 200721239A TW 095125664 A TW095125664 A TW 095125664A TW 95125664 A TW95125664 A TW 95125664A TW 200721239 A TW200721239 A TW 200721239A
Authority
TW
Taiwan
Prior art keywords
bulb
blackening
groove
shaped
light
Prior art date
Application number
TW095125664A
Other languages
Chinese (zh)
Inventor
Yuichiro Iwama
Masahiko Kase
Original Assignee
Orc Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Orc Mfg Co Ltd filed Critical Orc Mfg Co Ltd
Publication of TW200721239A publication Critical patent/TW200721239A/en

Links

Landscapes

  • Discharge Lamp (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

Not to decrease luminance of short-arc discharge lamp by preventing deposition of blackening contaminate on the light-emitting inner surface of the bulb of the lamp whose two electrodes are kept up and down while lighting. A groove 12 is formed on the bulb-end side edge-surface of the anode 4 placed at the upper side of the lamp. The cross section of the groove 12 is square-concaved, U-shaped, knife-shaped or V-shaped. The groove 12 steers the descending current from the upper end of the bulb 1 returning to the upper end of the bulb 1. The updraft along the side surface of the anode 4 goes toward the upper end of the bulb 1. The confluent gas of the descending current and the updraft strikes the inner surface near the upper end of the bulb 1. The gas current with blackening contaminate strikes the inner surface far off the light-emitting area of the bulb 1. Therefore, the blackening of the light-emitting area can be prevented.
TW095125664A 2005-09-27 2006-07-13 Short-arc discharge lamp TW200721239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005279312A JP2007095327A (en) 2005-09-27 2005-09-27 Short arc discharge lamp

Publications (1)

Publication Number Publication Date
TW200721239A true TW200721239A (en) 2007-06-01

Family

ID=37959290

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095125664A TW200721239A (en) 2005-09-27 2006-07-13 Short-arc discharge lamp

Country Status (3)

Country Link
JP (1) JP2007095327A (en)
CN (1) CN1941269A (en)
TW (1) TW200721239A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI467627B (en) * 2007-11-29 2015-01-01 Osram Gmbh High-pressure discharge lamp

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3121866B1 (en) 2007-03-30 2023-05-17 Sony Group Corporation Battery pack
JP5165413B2 (en) * 2007-05-08 2013-03-21 株式会社オーク製作所 Electrode structure for discharge lamp
JP4525803B2 (en) * 2007-08-06 2010-08-18 セイコーエプソン株式会社 Arc tube, light source device and projector
JP2010129375A (en) * 2008-11-27 2010-06-10 Yumex Inc Short-arc electrode for discharge lamp
JP4706779B2 (en) * 2008-12-19 2011-06-22 ウシオ電機株式会社 Super high pressure mercury lamp
JP5363174B2 (en) * 2009-04-10 2013-12-11 株式会社ユメックス Short arc type discharge lamp
JP5218320B2 (en) * 2009-07-30 2013-06-26 ウシオ電機株式会社 Super high pressure mercury lamp
JP5263065B2 (en) * 2009-07-31 2013-08-14 ウシオ電機株式会社 Super high pressure mercury lamp
JP5240116B2 (en) * 2009-07-31 2013-07-17 ウシオ電機株式会社 Super high pressure mercury lamp
JP5240144B2 (en) * 2009-09-18 2013-07-17 ウシオ電機株式会社 Super high pressure discharge lamp
JP2013118202A (en) * 2013-03-22 2013-06-13 Yumex Inc Electrode for short-arc type discharge lamp
JP6691317B2 (en) * 2015-10-06 2020-04-28 ウシオ電機株式会社 Short arc type discharge lamp
WO2017116740A1 (en) * 2015-12-30 2017-07-06 Mattson Technology, Inc. Electrode tip for arc lamp
JP6941275B2 (en) * 2017-08-07 2021-09-29 ウシオ電機株式会社 Short arc type discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI467627B (en) * 2007-11-29 2015-01-01 Osram Gmbh High-pressure discharge lamp

Also Published As

Publication number Publication date
JP2007095327A (en) 2007-04-12
CN1941269A (en) 2007-04-04

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