FR66254E - Perfectionnements aux substances luminescentes - Google Patents

Perfectionnements aux substances luminescentes

Info

Publication number
FR66254E
FR66254E FR66254DA FR66254E FR 66254 E FR66254 E FR 66254E FR 66254D A FR66254D A FR 66254DA FR 66254 E FR66254 E FR 66254E
Authority
FR
France
Prior art keywords
luminescent substances
luminescent
substances
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR66254E publication Critical patent/FR66254E/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
    • H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
    • H05B33/145—Arrangements of the electroluminescent material
    • 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
FR66254D 1952-03-28 1953-12-29 Perfectionnements aux substances luminescentes Expired FR66254E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1077637X 1952-03-28

Publications (1)

Publication Number Publication Date
FR66254E true FR66254E (fr) 1956-06-28

Family

ID=10872303

Family Applications (4)

Application Number Title Priority Date Filing Date
FR1077637D Expired FR1077637A (fr) 1952-03-28 1953-03-24 Perfectionnements aux substances luminesecentes
FR66220D Expired FR66220E (fr) 1952-03-28 1953-11-24 Perfectionnements aux substances luminescentes
FR66253D Expired FR66253E (fr) 1952-03-28 1953-12-22 Perfectionnements aux substances luminescentes
FR66254D Expired FR66254E (fr) 1952-03-28 1953-12-29 Perfectionnements aux substances luminescentes

Family Applications Before (3)

Application Number Title Priority Date Filing Date
FR1077637D Expired FR1077637A (fr) 1952-03-28 1953-03-24 Perfectionnements aux substances luminesecentes
FR66220D Expired FR66220E (fr) 1952-03-28 1953-11-24 Perfectionnements aux substances luminescentes
FR66253D Expired FR66253E (fr) 1952-03-28 1953-12-22 Perfectionnements aux substances luminescentes

Country Status (1)

Country Link
FR (4) FR1077637A (fr)

Also Published As

Publication number Publication date
FR1077637A (fr) 1954-11-10
FR66253E (fr) 1956-06-28
FR66220E (fr) 1956-06-05

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