GB231831A - Improvements in or relating to electric discharge tubes for positive light - Google Patents

Improvements in or relating to electric discharge tubes for positive light

Info

Publication number
GB231831A
GB231831A GB31227/24A GB3122724A GB231831A GB 231831 A GB231831 A GB 231831A GB 31227/24 A GB31227/24 A GB 31227/24A GB 3122724 A GB3122724 A GB 3122724A GB 231831 A GB231831 A GB 231831A
Authority
GB
United Kingdom
Prior art keywords
relating
electric discharge
discharge tubes
positive light
mercury
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
GB31227/24A
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.)
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19780011&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB231831(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB231831A publication Critical patent/GB231831A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
    • 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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Discharge Lamp (AREA)
GB31227/24A 1924-04-01 1924-12-30 Improvements in or relating to electric discharge tubes for positive light Expired GB231831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL231831X 1924-04-01

Publications (1)

Publication Number Publication Date
GB231831A true GB231831A (en) 1925-05-28

Family

ID=19780011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31227/24A Expired GB231831A (en) 1924-04-01 1924-12-30 Improvements in or relating to electric discharge tubes for positive light

Country Status (4)

Country Link
US (1) US1726107A (enrdf_load_stackoverflow)
FR (2) FR589856A (enrdf_load_stackoverflow)
GB (1) GB231831A (enrdf_load_stackoverflow)
NL (1) NL233305A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714681A (en) * 1948-08-27 1955-08-02 Gen Electric Electric discharge device
NL78992C (enrdf_load_stackoverflow) * 1949-06-29
US2714685A (en) * 1951-08-25 1955-08-02 Westinghouse Electric Corp Low pressure fluorescent and discharge lamps
US2714682A (en) * 1952-06-27 1955-08-02 Westinghouse Electric Corp Low pressure fluorescent and discharge lamps
US2802129A (en) * 1952-08-21 1957-08-06 Westinghouse Electric Corp Low pressure fluorescent and discharge lamps

Also Published As

Publication number Publication date
FR29867E (fr) 1925-11-10
FR589856A (fr) 1925-06-06
US1726107A (en) 1929-08-27
NL233305A (enrdf_load_stackoverflow)

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