TW200729275A - Hot cathode discharge lamp, lamp unit and display (2) - Google Patents

Hot cathode discharge lamp, lamp unit and display (2)

Info

Publication number
TW200729275A
TW200729275A TW095133646A TW95133646A TW200729275A TW 200729275 A TW200729275 A TW 200729275A TW 095133646 A TW095133646 A TW 095133646A TW 95133646 A TW95133646 A TW 95133646A TW 200729275 A TW200729275 A TW 200729275A
Authority
TW
Taiwan
Prior art keywords
hot cathode
cathode discharge
discharge lamp
display
glass bulb
Prior art date
Application number
TW095133646A
Other languages
Chinese (zh)
Inventor
Shiro Iida
Original Assignee
Matsushita Electric Ind 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of TW200729275A publication Critical patent/TW200729275A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0672—Main electrodes for low-pressure discharge lamps characterised by the construction of the electrode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/16—Selection of substances for gas fillings; Specified operating pressure or temperature having helium, argon, neon, krypton, or xenon as the principle constituent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
    • H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
    • H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/305—Flat vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/33—Special shape of cross-section, e.g. for producing cool spot
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/72—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a main light-emitting filling of easily vaporisable metal vapour, e.g. mercury
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/28—Means for producing, introducing, or replenishing gas or vapour during operation of the lamp

Landscapes

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

Abstract

Disclosed is a hot cathode discharge lamp comprising a glass bulb whose cross section perpendicular to the tube axis has a flattened shape, and electrode coils arranged within the glass bulb so that the axes thereof are aligned along the major diameter of the flattened shape. The length L of the electrode coils in the axis direction satisfies the following relation: L2 < L < L1, with L1 being the major inner diameter of the flattened shape of the glass bulb and L2 being the minor inner diameter thereof. Also disclosed is a backlight unit comprising the hot cathode discharge lamp as a light source.
TW095133646A 2005-09-13 2006-09-12 Hot cathode discharge lamp, lamp unit and display (2) TW200729275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005265793 2005-09-13

Publications (1)

Publication Number Publication Date
TW200729275A true TW200729275A (en) 2007-08-01

Family

ID=37864913

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095133646A TW200729275A (en) 2005-09-13 2006-09-12 Hot cathode discharge lamp, lamp unit and display (2)

Country Status (6)

Country Link
EP (1) EP1936660A1 (en)
JP (1) JPWO2007032320A1 (en)
KR (1) KR20080044264A (en)
CN (1) CN101263576A (en)
TW (1) TW200729275A (en)
WO (1) WO2007032320A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2009090881A1 (en) * 2008-01-18 2011-05-26 パナソニック株式会社 Backlight and lighting device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104062U (en) * 1980-01-10 1981-08-14
JPS60107250A (en) * 1983-11-15 1985-06-12 Fujitsu Ltd Surface light source
JPS60130046A (en) * 1983-12-16 1985-07-11 Stanley Electric Co Ltd Fluorescent lamp
JPS60236450A (en) * 1985-04-19 1985-11-25 Hitachi Ltd Fluorescent lamp
JP2624653B2 (en) 1986-09-26 1997-06-25 株式会社日立製作所 Manufacturing method of annular fluorescent lamp
JPS6363954U (en) * 1986-10-16 1988-04-27
JPS63207090A (en) * 1987-02-23 1988-08-26 浜井電球工業株式会社 Transparent electrode type flat fluorescent lamp
JPH083989B2 (en) * 1987-12-18 1996-01-17 三洋電機株式会社 Flat fluorescent lamp
JPH04292846A (en) * 1991-03-20 1992-10-16 Toshiba Lighting & Technol Corp Low pressure discharge lamp
JP2000010094A (en) 1998-06-19 2000-01-14 Nec Corp Backlight device

Also Published As

Publication number Publication date
EP1936660A1 (en) 2008-06-25
WO2007032320A1 (en) 2007-03-22
JPWO2007032320A1 (en) 2009-03-19
CN101263576A (en) 2008-09-10
KR20080044264A (en) 2008-05-20

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