FR1243187A - Improvements to electro-luminescent elements - Google Patents

Improvements to electro-luminescent elements

Info

Publication number
FR1243187A
FR1243187A FR813153A FR813153A FR1243187A FR 1243187 A FR1243187 A FR 1243187A FR 813153 A FR813153 A FR 813153A FR 813153 A FR813153 A FR 813153A FR 1243187 A FR1243187 A FR 1243187A
Authority
FR
France
Prior art keywords
electro
luminescent elements
luminescent
elements
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
FR813153A
Other languages
French (fr)
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 FR1243187A publication Critical patent/FR1243187A/en
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
    • H05B33/02—Details
    • H05B33/04—Sealing arrangements, e.g. against humidity
FR813153A 1958-12-17 1959-12-16 Improvements to electro-luminescent elements Expired FR1243187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1243187X 1958-12-17

Publications (1)

Publication Number Publication Date
FR1243187A true FR1243187A (en) 1960-10-07

Family

ID=19872591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR813153A Expired FR1243187A (en) 1958-12-17 1959-12-16 Improvements to electro-luminescent elements

Country Status (1)

Country Link
FR (1) FR1243187A (en)

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