GB816710A - Improvements in artificially illuminated signs and display panels - Google Patents

Improvements in artificially illuminated signs and display panels

Info

Publication number
GB816710A
GB816710A GB976357A GB976357A GB816710A GB 816710 A GB816710 A GB 816710A GB 976357 A GB976357 A GB 976357A GB 976357 A GB976357 A GB 976357A GB 816710 A GB816710 A GB 816710A
Authority
GB
United Kingdom
Prior art keywords
film
signs
pearce
march
metallic
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
GB976357A
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.)
PEARCE SIGNS Ltd
Original Assignee
PEARCE SIGNS Ltd
Filing date
Publication date
Application filed by PEARCE SIGNS Ltd filed Critical PEARCE SIGNS Ltd
Publication of GB816710A publication Critical patent/GB816710A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B33/00Electroluminescent light sources
    • H05B33/12Light sources with substantially two-dimensional radiating surfaces
    • H05B33/20Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00Illuminated signs; Luminous advertising
    • G09F13/20Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

816,710. Electroluminescent display signs. PEARCE SIGNS Ltd., and PEARCE, J. H. G. March 28, 1958 [March 25, 1957], No. 9763/57. Class 39(1). A thermoplastic resin panel or part for use in a sign or display panel is coated with a metallic film of titanium or other comparatively low melting point metal by an evaporational other film depositing process, the metallic coating constituting a first electrode, a second film of electroluminescent phosphor incorporated in a suitable dielectric being then applied to the metallic film, a third film forming the second electrode being finally applied and consisting of an evaporated coating of aluminium. The phosphor layer maybe deposited to form areas of different colour output and may be dyed with similar or contrasting pigments. The exciting field frequencies may be varied to vary the colour of emission.
GB976357A 1957-03-25 Improvements in artificially illuminated signs and display panels Expired GB816710A (en)

Publications (1)

Publication Number Publication Date
GB816710A true GB816710A (en) 1959-07-15

Family

ID=1629966

Family Applications (1)

Application Number Title Priority Date Filing Date
GB976357A Expired GB816710A (en) 1957-03-25 Improvements in artificially illuminated signs and display panels

Country Status (1)

Country Link
GB (1) GB816710A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2168816A1 (en) * 2008-09-30 2010-03-31 Arno Martin Sauer Embossable licence plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2168816A1 (en) * 2008-09-30 2010-03-31 Arno Martin Sauer Embossable licence plate
WO2010037712A3 (en) * 2008-09-30 2011-05-12 Tesa Se Embossable license plate

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