CA1020620A - Fluorescent lamp with superposed phosphor layers - Google Patents

Fluorescent lamp with superposed phosphor layers

Info

Publication number: CA1020620A
Authority: CA; Canada
Prior art keywords: fluorescent lamp; phosphor layers; superposed; superposed phosphor; layers
Prior art date: 1974-03-15
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

CA221,647A

Other languages

French (fr)

Other versions

CA221647S (en

Inventor

Lambertus W.J. Manders

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1974-03-15

Filing date

1975-03-06

Publication date

1977-11-08

1975-03-06 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1977-11-08 Application granted granted Critical

1977-11-08 Publication of CA1020620A publication Critical patent/CA1020620A/en

Status 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
- H01J61/48—Separate coatings of different luminous materials
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7774—Aluminates
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
- C09K11/75—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony
- C09K11/76—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth containing antimony also containing phosphorus and halogen, e.g. halophosphates
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7783—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals one of which being europium
- C09K11/7784—Chalcogenides
- C09K11/7787—Oxides

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Vessels And Coating Films For Discharge Lamps (AREA)
Application Of Or Painting With Fluid Materials (AREA)
Circuit Arrangements For Discharge Lamps (AREA)
Spectrometry And Color Measurement (AREA)
Luminescent Compositions (AREA)

CA221,647A 1974-03-15 1975-03-06 Fluorescent lamp with superposed phosphor layers Expired CA1020620A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7403467.A NL165605C (en)	1974-03-15	1974-03-15	ELECTRIC GAS DISCHARGE LAMP.

Publications (1)

Publication Number	Publication Date
CA1020620A true CA1020620A (en)	1977-11-08

Family

ID=19820960

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA221,647A Expired CA1020620A (en)	1974-03-15	1975-03-06	Fluorescent lamp with superposed phosphor layers

Country Status (20)

Country	Link
JP (1)	JPS53867B2 (en)
AR (1)	AR209763A1 (en)
AT (1)	AT339428B (en)
BE (1)	BE826651A (en)
BR (1)	BR7501449A (en)
CA (1)	CA1020620A (en)
CH (1)	CH578251A5 (en)
DE (1)	DE2509931C3 (en)
DK (1)	DK139949B (en)
FI (1)	FI57853C (en)
FR (1)	FR2264389B1 (en)
GB (1)	GB1480876A (en)
IL (1)	IL46810A (en)
IN (1)	IN143975B (en)
IT (1)	IT1034215B (en)
NL (1)	NL165605C (en)
NO (1)	NO140156C (en)
SE (1)	SE403535B (en)
YU (1)	YU59775A (en)
ZA (1)	ZA751295B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL181470C (en) *	1977-08-23	1987-08-17	Philips Nv	LOW-PRESSURE MERCURY DISCHARGE LAMP.
US4070598A (en) *	1976-11-08	1978-01-24	General Electric Company	Fluorescent lamp with second phosphor layer
FR2379160A1 (en) *	1977-01-28	1978-08-25	Gen Electric	PERFECTED FLUORESCENT LAMP
NL182998C (en) *	1977-05-06	1988-06-16	Philips Nv	LOW-PRESSURE MERCURY DISCHARGE LAMP.
EP0010991A3 (en) *	1978-11-06	1980-05-28	Westinghouse Electric Corporation	Light source for illuminating objects with enhanced perceived coloration
US4431941A (en) *	1979-06-11	1984-02-14	Gte Products Corporation	Fluorescent lamp having double phosphor layer
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
JP3149444B2 (en) *	1991-01-30	2001-03-26	東芝ライテック株式会社	Low pressure mercury vapor discharge lamp
DE10152217A1 (en) *	2001-10-23	2003-04-30	Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh	Fluorescent composition for low pressure discharge lamps
US7768189B2 (en) *	2004-08-02	2010-08-03	Lumination Llc	White LEDs with tunable CRI
DE102008017606A1 (en) *	2008-04-08	2009-10-15	Litec-Lll Gmbh	Low-pressure gas discharge lamp for influencing the body's melatonin balance

1974
- 1974-03-15 NL NL7403467.A patent/NL165605C/en active
1975
- 1975-03-03 ZA ZA00751295A patent/ZA751295B/en unknown
- 1975-03-05 IN IN430/CAL/75A patent/IN143975B/en unknown
- 1975-03-06 CA CA221,647A patent/CA1020620A/en not_active Expired
- 1975-03-06 AR AR257858A patent/AR209763A1/en active
- 1975-03-07 DE DE2509931A patent/DE2509931C3/en not_active Expired
- 1975-03-12 JP JP2917875A patent/JPS53867B2/ja not_active Expired
- 1975-03-12 YU YU00597/75A patent/YU59775A/en unknown
- 1975-03-12 AT AT189875A patent/AT339428B/en not_active IP Right Cessation
- 1975-03-12 IT IT21189/75A patent/IT1034215B/en active
- 1975-03-12 BR BR1449/75A patent/BR7501449A/en unknown
- 1975-03-12 NO NO750833A patent/NO140156C/en unknown
- 1975-03-12 IL IL46810A patent/IL46810A/en unknown
- 1975-03-12 CH CH314375A patent/CH578251A5/xx not_active IP Right Cessation
- 1975-03-12 DK DK101175AA patent/DK139949B/en unknown
- 1975-03-12 GB GB10307/75A patent/GB1480876A/en not_active Expired
- 1975-03-12 FI FI750713A patent/FI57853C/en not_active IP Right Cessation
- 1975-03-12 SE SE7502740A patent/SE403535B/en unknown
- 1975-03-13 BE BE154305A patent/BE826651A/en not_active IP Right Cessation
- 1975-03-14 FR FR7508032A patent/FR2264389B1/fr not_active Expired

Also Published As

Publication number	Publication date
JPS50127480A (en)	1975-10-07
NO140156B (en)	1979-04-02
YU59775A (en)	1982-06-30
BE826651A (en)	1975-09-15
SE403535B (en)	1978-08-21
IL46810A0 (en)	1975-05-22
SE7502740L (en)	1975-09-16
DE2509931A1 (en)	1975-09-25
AT339428B (en)	1977-10-25
DK139949B (en)	1979-05-21
BR7501449A (en)	1975-12-23
AR209763A1 (en)	1977-05-31
FR2264389B1 (en)	1979-09-28
DK139949C (en)	1979-10-22
FR2264389A1 (en)	1975-10-10
ATA189875A (en)	1977-02-15
JPS53867B2 (en)	1978-01-12
CH578251A5 (en)	1976-07-30
FI57853C (en)	1981-08-07
NL7403467A (en)	1975-09-17
ZA751295B (en)	1976-10-27
NL165605C (en)	1981-04-15
AU7914875A (en)	1976-09-23
DE2509931C3 (en)	1979-09-06
GB1480876A (en)	1977-07-27
IL46810A (en)	1977-01-31
IT1034215B (en)	1979-09-10
FI57853B (en)	1980-06-30
DK101175A (en)	1975-09-16
FI750713A (en)	1975-09-16
DE2509931B2 (en)	1979-01-11
NO140156C (en)	1979-07-18
NO750833L (en)	1975-09-16
IN143975B (en)	1978-03-04

Publication	Publication Date	Title
GB1510183A (en)	1978-05-10	Fluorescent lamps
CA1020620A (en)	1977-11-08	Fluorescent lamp with superposed phosphor layers
CA975448A (en)	1975-09-30	Fluorescent lampholder with means for circuit interruption
AU501285B2 (en)	1979-06-14	Lamp assembly
AU512916B2 (en)	1980-11-06	Fluorescent lamps
CA1015971A (en)	1977-08-23	Elecyrically ignited sealed bulb type photofilash lamp
AU461694B2 (en)	1975-06-05	Fluorescent lamp
CA986980A (en)	1976-04-06	Incandescent lamp
CA971214A (en)	1975-07-15	Fluorescent tube for lamp
AU500609B2 (en)	1979-05-24	Electric gas discharge lamp having two superposed luminescent layers
CA969598A (en)	1975-06-17	Fluorescent tube for lamp
AU505212B2 (en)	1979-11-15	Fluorescent lamp
CA1003806A (en)	1977-01-18	Recessed square fluorescent luminaire
CA869667A (en)	1971-04-27	Fluorescent lamps
CA873503A (en)	1971-06-15	Fluorescent lamps
CA871877A (en)	1971-05-25	Fluorescent lamps
CA882892A (en)	1971-10-05	Incandescent fluorescent lamp
CA886160A (en)	1971-11-16	Fluorescent lamp
CA888362A (en)	1971-12-14	Fluorescent lamp
ZA756411B (en)	1976-09-29	Fluorescent lamp starter
CA945623A (en)	1974-04-16	Starting of fluorescent lamps
AU470541B2 (en)	1976-03-18	Incandescent lamp
AU463774B2 (en)	1975-08-07	Fluorescent lamp casing
CA939034A (en)	1973-12-25	Lampholder for fluorescent lamps
CA896056A (en)	1972-03-21	Fluorescent lamps