DE69702998T2 - Vorschaltgerät mit höher Wirksamkeit für elektrodenlose Floureszenzlampe - Google Patents

Vorschaltgerät mit höher Wirksamkeit für elektrodenlose Floureszenzlampe

Info

Publication number
DE69702998T2
DE69702998T2 DE69702998T DE69702998T DE69702998T2 DE 69702998 T2 DE69702998 T2 DE 69702998T2 DE 69702998 T DE69702998 T DE 69702998T DE 69702998 T DE69702998 T DE 69702998T DE 69702998 T2 DE69702998 T2 DE 69702998T2
Authority
DE
Germany
Prior art keywords
ballast
fluorescent lamp
electrodeless fluorescent
higher effectiveness
effectiveness
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 - Lifetime
Application number
DE69702998T
Other languages
English (en)
Other versions
DE69702998D1 (de
Inventor
Kwang H Liu
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.)
O2Micro Inc
Original Assignee
O2Micro Inc
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 O2Micro Inc filed Critical O2Micro Inc
Publication of DE69702998D1 publication Critical patent/DE69702998D1/de
Application granted granted Critical
Publication of DE69702998T2 publication Critical patent/DE69702998T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33571—Half-bridge at primary side of an isolation transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/01—Resonant DC/DC converters
    • 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
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
DE69702998T 1996-04-16 1997-04-07 Vorschaltgerät mit höher Wirksamkeit für elektrodenlose Floureszenzlampe Expired - Lifetime DE69702998T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/633,221 US5619402A (en) 1996-04-16 1996-04-16 Higher-efficiency cold-cathode fluorescent lamp power supply

Publications (2)

Publication Number Publication Date
DE69702998D1 DE69702998D1 (de) 2000-10-12
DE69702998T2 true DE69702998T2 (de) 2001-04-12

Family

ID=24538752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69702998T Expired - Lifetime DE69702998T2 (de) 1996-04-16 1997-04-07 Vorschaltgerät mit höher Wirksamkeit für elektrodenlose Floureszenzlampe

Country Status (6)

Country Link
US (1) US5619402A (de)
EP (1) EP0802702B1 (de)
JP (1) JP3533405B2 (de)
CA (1) CA2200932A1 (de)
DE (1) DE69702998T2 (de)
TW (1) TW331067B (de)

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Also Published As

Publication number Publication date
JP3533405B2 (ja) 2004-05-31
CA2200932A1 (en) 1997-10-16
DE69702998D1 (de) 2000-10-12
EP0802702B1 (de) 2000-09-06
EP0802702A3 (de) 1998-11-04
TW331067B (en) 1998-05-01
JPH1050489A (ja) 1998-02-20
US5619402A (en) 1997-04-08
EP0802702A2 (de) 1997-10-22

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