FR1144977A - élément électroluminescent - Google Patents

élément électroluminescent

Info

Publication number
FR1144977A
FR1144977A FR1144977DA FR1144977A FR 1144977 A FR1144977 A FR 1144977A FR 1144977D A FR1144977D A FR 1144977DA FR 1144977 A FR1144977 A FR 1144977A
Authority
FR
France
Prior art keywords
electroluminescent element
electroluminescent
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
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
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1144977A publication Critical patent/FR1144977A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00—Electroluminescent light sources
    • H05B33/12—Light sources with substantially two-dimensional radiating surfaces
    • H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
FR1144977D 1955-04-01 1956-03-30 élément électroluminescent Expired FR1144977A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1144977X 1955-04-01

Publications (1)

Publication Number Publication Date
FR1144977A true FR1144977A (fr) 1957-10-21

Family

ID=19870250

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1144977D Expired FR1144977A (fr) 1955-04-01 1956-03-30 élément électroluminescent

Country Status (1)

Country Link
FR (1) FR1144977A (fr)

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