GB1333177A - Luminescent materials - Google Patents

Luminescent materials

Info

Publication number
GB1333177A
GB1333177A GB4056871A GB4056871A GB1333177A GB 1333177 A GB1333177 A GB 1333177A GB 4056871 A GB4056871 A GB 4056871A GB 4056871 A GB4056871 A GB 4056871A GB 1333177 A GB1333177 A GB 1333177A
Authority
GB
United Kingdom
Prior art keywords
nay
activated
nala
fluorides
excitation
Prior art date
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
GB4056871A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1333177A publication Critical patent/GB1333177A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7772Halogenides
    • C09K11/7773Halogenides with alkali or alkaline earth metal
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/77Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
    • C09K11/7766Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
    • C09K11/7772Halogenides
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Luminescent Compositions (AREA)
GB4056871A 1970-09-03 1971-08-31 Luminescent materials Expired GB1333177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7013029A NL7013029A (enrdf_load_stackoverflow) 1970-09-03 1970-09-03

Publications (1)

Publication Number Publication Date
GB1333177A true GB1333177A (en) 1973-10-10

Family

ID=19810942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4056871A Expired GB1333177A (en) 1970-09-03 1971-08-31 Luminescent materials

Country Status (6)

Country Link
BE (1) BE772069A (enrdf_load_stackoverflow)
CA (1) CA975153A (enrdf_load_stackoverflow)
DE (1) DE2142892A1 (enrdf_load_stackoverflow)
FR (1) FR2107248A5 (enrdf_load_stackoverflow)
GB (1) GB1333177A (enrdf_load_stackoverflow)
NL (1) NL7013029A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2554122B1 (fr) * 1983-11-02 1987-03-20 Rhone Poulenc Spec Chim Nouvelle composition destinee au marquage de documents et procede de verification de l'authenticite de ces documents
EP1048049B1 (en) * 1998-10-19 2007-01-03 Koninklijke Philips Electronics N.V. Luminescent material

Also Published As

Publication number Publication date
BE772069A (fr) 1972-03-01
CA975153A (en) 1975-09-30
FR2107248A5 (enrdf_load_stackoverflow) 1972-05-05
NL7013029A (enrdf_load_stackoverflow) 1972-03-07
DE2142892A1 (de) 1972-03-09

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees