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GB501381A - Improvements in electric discharge lamps - Google Patents

Improvements in electric discharge lamps

Info

Publication number
GB501381A
GB501381A GB3425937A GB3425937A GB501381A GB 501381 A GB501381 A GB 501381A GB 3425937 A GB3425937 A GB 3425937A GB 3425937 A GB3425937 A GB 3425937A GB 501381 A GB501381 A GB 501381A
Authority
GB
United Kingdom
Prior art keywords
discharge lamps
electric discharge
envelope
treuhand
ges
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
GB3425937A
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Priority to GB3425937A priority Critical patent/GB501381A/en
Publication of GB501381A publication Critical patent/GB501381A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

501,381. Discharge lamps. GENERAL ELECTRIC CO., Ltd. (Patent-Treuhand-Ges. f³r Elektrische Gl³hlampen) Dec. 10, 1937, No. 34259. Addition to 459,323. [Class 39 (i)] In a lamp as described in the parent Specification having the luminescent material within the envelope, the inner surface of the envelope is etched or otherwise made diffusing.
GB3425937A 1937-12-10 1937-12-10 Improvements in electric discharge lamps Expired GB501381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3425937A GB501381A (en) 1937-12-10 1937-12-10 Improvements in electric discharge lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3425937A GB501381A (en) 1937-12-10 1937-12-10 Improvements in electric discharge lamps

Publications (1)

Publication Number Publication Date
GB501381A true GB501381A (en) 1939-02-27

Family

ID=10363407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3425937A Expired GB501381A (en) 1937-12-10 1937-12-10 Improvements in electric discharge lamps

Country Status (1)

Country Link
GB (1) GB501381A (en)

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