GB2233139B - Electroluminescent device - Google Patents

Electroluminescent device

Info

Publication number
GB2233139B
GB2233139B GB8913465A GB8913465A GB2233139B GB 2233139 B GB2233139 B GB 2233139B GB 8913465 A GB8913465 A GB 8913465A GB 8913465 A GB8913465 A GB 8913465A GB 2233139 B GB2233139 B GB 2233139B
Authority
GB
United Kingdom
Prior art keywords
electroluminescent device
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 - Fee Related
Application number
GB8913465A
Other versions
GB8913465D0 (en
GB2233139A (en
Inventor
Robert John Pugh
Paul Frost
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.)
SPECIALIST PRINTERS Ltd
Original Assignee
SPECIALIST PRINTERS Ltd
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 SPECIALIST PRINTERS Ltd filed Critical SPECIALIST PRINTERS Ltd
Priority to GB8913465A priority Critical patent/GB2233139B/en
Publication of GB8913465D0 publication Critical patent/GB8913465D0/en
Publication of GB2233139A publication Critical patent/GB2233139A/en
Application granted granted Critical
Publication of GB2233139B publication Critical patent/GB2233139B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
    • G09F13/22—Illuminated 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)
  • Electroluminescent Light Sources (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB8913465A 1989-06-12 1989-06-12 Electroluminescent device Expired - Fee Related GB2233139B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8913465A GB2233139B (en) 1989-06-12 1989-06-12 Electroluminescent device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8913465A GB2233139B (en) 1989-06-12 1989-06-12 Electroluminescent device

Publications (3)

Publication Number Publication Date
GB8913465D0 GB8913465D0 (en) 1989-08-02
GB2233139A GB2233139A (en) 1991-01-02
GB2233139B true GB2233139B (en) 1994-05-25

Family

ID=10658297

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8913465A Expired - Fee Related GB2233139B (en) 1989-06-12 1989-06-12 Electroluminescent device

Country Status (1)

Country Link
GB (1) GB2233139B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4126051C2 (en) * 1991-08-06 2002-06-13 Gao Ges Automation Org Security document with embedded security element, security element and method for its production
US5780965A (en) * 1993-12-09 1998-07-14 Key Plastics, Inc. Three dimensional electroluminescent display
US5457507A (en) * 1994-09-13 1995-10-10 Berardi; Philip N. Self-contained electroluminescent back-lit clap board/slate
US5564812A (en) * 1994-09-13 1996-10-15 Berardi; Philip N. Control knob dial illumination
EP1099564A1 (en) * 1999-11-10 2001-05-16 Oriel Technologicas, S.A. Emblem with luminous motifs
ATE381086T1 (en) * 2002-10-10 2007-12-15 Koninkl Philips Electronics Nv LIGHTING DEVICE

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB895270A (en) * 1959-10-26 1962-05-02 Sylvania Electric Prod Encoder
GB1330953A (en) * 1970-01-27 1973-09-19 Rca Corp Electrooptic devices
GB1467738A (en) * 1975-09-05 1977-03-23 Gen Electric Co Ltd Electroluminescent display devices and their manufacture
US4829213A (en) * 1986-08-11 1989-05-09 Dario Pecile Flat electroluminescent screen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB895270A (en) * 1959-10-26 1962-05-02 Sylvania Electric Prod Encoder
GB1330953A (en) * 1970-01-27 1973-09-19 Rca Corp Electrooptic devices
GB1467738A (en) * 1975-09-05 1977-03-23 Gen Electric Co Ltd Electroluminescent display devices and their manufacture
US4829213A (en) * 1986-08-11 1989-05-09 Dario Pecile Flat electroluminescent screen

Also Published As

Publication number Publication date
GB8913465D0 (en) 1989-08-02
GB2233139A (en) 1991-01-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940825