GB1259358A - - Google Patents

Info

Publication number
GB1259358A
GB1259358A GB1259358DA GB1259358A GB 1259358 A GB1259358 A GB 1259358A GB 1259358D A GB1259358D A GB 1259358DA GB 1259358 A GB1259358 A GB 1259358A
Authority
GB
United Kingdom
Prior art keywords
impedance
transistor
primary
april
source
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)
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 filed Critical
Publication of GB1259358A publication Critical patent/GB1259358A/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
    • H05B44/00—Circuit arrangements for operating electroluminescent light sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB1259358D 1968-04-19 1969-04-18 Expired GB1259358A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72275568A 1968-04-19 1968-04-19

Publications (1)

Publication Number Publication Date
GB1259358A true GB1259358A (it) 1972-01-05

Family

ID=24903244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1259358D Expired GB1259358A (it) 1968-04-19 1969-04-18

Country Status (2)

Country Link
US (1) US3543086A (it)
GB (1) GB1259358A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432015A (en) * 1992-05-08 1995-07-11 Westaim Technologies, Inc. Electroluminescent laminate with thick film dielectric

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165640A (en) * 1960-12-15 1965-01-12 North American Aviation Inc D. c. controlled semiconductor switch for a. c. current
US3280341A (en) * 1963-03-11 1966-10-18 W W Henry Company Electroluminescent switching circuit
US3409876A (en) * 1965-05-28 1968-11-05 Navy Usa Electroluminescent grid control by voltage variable capacitors
US3327163A (en) * 1965-11-02 1967-06-20 Gen Telephone & Elect Electroluminescent bar graph indicator
US3432724A (en) * 1967-02-27 1969-03-11 North American Rockwell Electroluminescent crossed grid device for simultaneously displaying a plurality of points

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432015A (en) * 1992-05-08 1995-07-11 Westaim Technologies, Inc. Electroluminescent laminate with thick film dielectric
US5634835A (en) * 1992-05-08 1997-06-03 Westaim Technologies Inc. Electroluminescent display panel
US5679472A (en) * 1992-05-08 1997-10-21 Westaim Technologies, Inc. Electroluminescent laminate and a process for forming address lines therein
US5702565A (en) * 1992-05-08 1997-12-30 Westaim Technologies, Inc. Process for laser scribing a pattern in a planar laminate
US5756147A (en) * 1992-05-08 1998-05-26 Westaim Technologies, Inc. Method of forming a dielectric layer in an electroluminescent laminate

Also Published As

Publication number Publication date
US3543086A (en) 1970-11-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees