JPS5246424B2 - - Google Patents

Info

Publication number
JPS5246424B2
JPS5246424B2 JP49090893A JP9089374A JPS5246424B2 JP S5246424 B2 JPS5246424 B2 JP S5246424B2 JP 49090893 A JP49090893 A JP 49090893A JP 9089374 A JP9089374 A JP 9089374A JP S5246424 B2 JPS5246424 B2 JP S5246424B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP49090893A
Other versions
JPS5044678A (ja
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 filed Critical
Publication of JPS5044678A publication Critical patent/JPS5044678A/ja
Publication of JPS5246424B2 publication Critical patent/JPS5246424B2/ja
Expired legal-status Critical Current

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
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/42—Devices for influencing the colour or wavelength of the light by transforming the wavelength of the light by luminescence

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Image Input (AREA)
  • Luminescent Compositions (AREA)
JP49090893A 1973-08-10 1974-08-09 Expired JPS5246424B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US387391A US3875453A (en) 1973-08-10 1973-08-10 Lamp with high color-discrimination capability

Publications (2)

Publication Number Publication Date
JPS5044678A JPS5044678A (ja) 1975-04-22
JPS5246424B2 true JPS5246424B2 (ja) 1977-11-24

Family

ID=23529663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49090893A Expired JPS5246424B2 (ja) 1973-08-10 1974-08-09

Country Status (2)

Country Link
US (1) US3875453A (ja)
JP (1) JPS5246424B2 (ja)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7316494A (nl) * 1973-12-03 1975-06-05 Philips Nv Kwikdampontladingslamp voor kleurenreproduktie volgens elektrofotografische processen.
US4047069A (en) * 1974-06-21 1977-09-06 Matsushita Electronics Corporation High-pressure mercury-vapor lamp having a plural phosphor coating
US4055781A (en) * 1974-09-09 1977-10-25 Gte Sylvania Incorporated Special purpose fluorescent lamp
US3963953A (en) * 1975-04-29 1976-06-15 Westinghouse Electric Corporation Color mismatch accentuating device
JPS5241484A (en) * 1975-09-25 1977-03-31 Gen Electric Fluorescent lamp structure using two kinds of phospher
US4099089A (en) * 1976-12-13 1978-07-04 General Electric Company Fluorescent lamp utilizing terbium-activated rare earth oxyhalide phosphor material
NL182998C (nl) * 1977-05-06 1988-06-16 Philips Nv Lagedrukkwikdampontladingslamp.
JPS5842590B2 (ja) * 1977-08-30 1983-09-20 株式会社東芝 けい光ランプ
JPS5438682A (en) * 1977-09-01 1979-03-23 Toshiba Corp Fluorescent lamp
JPS5490879A (en) * 1977-12-27 1979-07-18 Nec Home Electronics Ltd Fluorescent lamp
US4305019A (en) * 1979-12-31 1981-12-08 Westinghouse Electric Corp. Warm-white fluorescent lamp having good efficacy and color rendering and using special phosphor blend as separate undercoat
US4357559A (en) * 1980-03-17 1982-11-02 General Electric Company Fluorescent lamp utilizing phosphor combination
US4360758A (en) * 1981-01-23 1982-11-23 Westinghouse Electric Corp. High-intensity-discharge lamp of the mercury-metal halide type which efficiently illuminates objects with excellent color appearance
US4551363A (en) * 1984-05-02 1985-11-05 Brian Fenech Electro luminescence visual device
GB2221084B (en) * 1988-06-27 1992-10-21 Matsushita Electric Works Ltd Variable colour lighting device
US4940918A (en) * 1989-07-24 1990-07-10 Gte Products Corporation Fluorescent lamp for liquid crystal backlighting
EP0550937B1 (en) * 1992-01-07 1997-03-19 Koninklijke Philips Electronics N.V. Low-pressure mercury discharge lamp
US6137217A (en) * 1992-08-28 2000-10-24 Gte Products Corporation Fluorescent lamp with improved phosphor blend
US5714836A (en) * 1992-08-28 1998-02-03 Gte Products Corporation Fluorescent lamp with improved phosphor blend
US5854533A (en) * 1992-10-19 1998-12-29 Gte Products Corporation Fluorescent lamps with high color-rendering and high brightness
US5838101A (en) * 1992-10-28 1998-11-17 Gte Products Corporation Fluorescent lamp with improved CRI and brightness
US5418419A (en) * 1994-03-22 1995-05-23 Tailored Lighting Inc. Lamp for producing a daylight spectrum
US6661915B1 (en) * 1998-02-13 2003-12-09 Suga Test Instruments Illumination variable colorimetric method and colorimeter
WO2009072539A1 (ja) 2007-12-07 2009-06-11 Kabushiki Kaisha Toshiba 蛍光体およびそれを用いたｌｅｄ発光装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103038A (en) * 1933-08-24 1937-12-21 Gen Electric Gaseous electric arc discharge lamp device
US3363134A (en) * 1965-12-08 1968-01-09 Gen Electric Arc discharge lamp having polycrystalline ceramic arc tube

Also Published As

Publication number Publication date
JPS5044678A (ja) 1975-04-22
US3875453A (en) 1975-04-01

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