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IN2014CN04752A - - Google Patents

Info

Publication number
IN2014CN04752A
IN2014CN04752A IN4752CHN2014A IN2014CN04752A IN 2014CN04752 A IN2014CN04752 A IN 2014CN04752A IN 4752CHN2014 A IN4752CHN2014 A IN 4752CHN2014A IN 2014CN04752 A IN2014CN04752 A IN 2014CN04752A
Authority
IN
India
Prior art keywords
connections
terminals
load circuits
power
interconnect
Prior art date
Application number
Inventor
Harald Josef Günther Radermacher
Bob Bernardus Anthonius Theunissen
Hugo Veenstra
Adrianus Sempel
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN04752A publication Critical patent/IN2014CN04752A/en

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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/46—Details of LED load circuits with an active control inside an LED matrix having LEDs disposed in parallel lines
    • 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Devices (AREA)

Abstract

Devices comprise first and second terminals (1 2) connected to first load circuits (21) comprising first light emitting diodes and third and fourth terminals (3 4) connected to second load circuits (22) comprising second light emitting diodes first connections (11) that interconnect the first and third terminals (1 3) second connections (12) that interconnect the second and fourth terminals (2 4) at least one of the first and second connections (11 12) being a power dissipating connection at least one of the first and second load circuits (21 22) being adapted to receive first power from a source (31) via the first and second connections (11 12) and capacitors (41) coupled in parallel to the second load circuits (22) for storing energy received via elements (42) with current direction dependencies and for providing second power to at least the second load circuit (22).
IN4752CHN2014 2011-12-15 2012-12-12 IN2014CN04752A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161570976P 2011-12-15 2011-12-15
PCT/IB2012/057226 WO2013088361A1 (en) 2011-12-15 2012-12-12 Light emitting device and system

Publications (1)

Publication Number Publication Date
IN2014CN04752A true IN2014CN04752A (en) 2015-09-18

Family

ID=47624381

Family Applications (1)

Application Number Title Priority Date Filing Date
IN4752CHN2014 IN2014CN04752A (en) 2011-12-15 2012-12-12

Country Status (6)

Country Link
US (1) US9089028B2 (en)
EP (1) EP2749134B1 (en)
JP (1) JP6143779B2 (en)
CN (1) CN103999549B (en)
IN (1) IN2014CN04752A (en)
WO (1) WO2013088361A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201235609A (en) 2010-07-13 2012-09-01 Koninkl Philips Electronics Nv Low cost mounting of LEDs in TL-retrofit tubes
WO2014071314A2 (en) * 2012-11-02 2014-05-08 Coritech Srvices, Inc. Modular microgrid unit and method of use
CN104950969B (en) * 2014-03-31 2016-09-28 东林科技股份有限公司 Low-voltage drop linear voltage-stabilizing system and low dropout voltage regulator module
JP7339581B2 (en) * 2018-12-20 2023-09-06 日亜化学工業株式会社 Light-emitting device and light-emitting circuit

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1168161A (en) * 1997-08-15 1999-03-09 Digital Electron Corp Light-emitting device
JP5025913B2 (en) 2005-05-13 2012-09-12 シャープ株式会社 LED drive circuit, LED illumination device, and backlight
US8212393B2 (en) * 2006-07-07 2012-07-03 Koninklijke Philips Electronics N.V. Device and method for addressing power to a load selected from a plurality of loads
EP2177081B1 (en) * 2007-08-06 2019-06-12 Nxp B.V. Solid state lighting system and a driver integrated circuit for driving light emitting semiconductor devices
JP4586905B2 (en) * 2008-08-13 2010-11-24 ソニー株式会社 Light emitting diode drive device
CN201282580Y (en) * 2008-09-28 2009-07-29 张荣民 Drive circuit for high-power LED
WO2010064183A1 (en) 2008-12-05 2010-06-10 Philips Intellectual Property & Standards Gmbh Circuit for and method of selectively powering a plurality of load elements
US20100295472A1 (en) 2009-05-06 2010-11-25 Polar Semiconductor, Inc. Power supply for floating loads
KR20110066664A (en) * 2009-12-11 2011-06-17 삼성엘이디 주식회사 LED driving device
DE102010002386A1 (en) * 2010-02-26 2011-09-01 Robert Bosch Gmbh Device and method for driving light-emitting diode strands
US8232740B2 (en) * 2010-03-25 2012-07-31 Chicony Power Technology Co., Ltd. Capacitive current-sharing control circuit for LED lamp string
JP5807195B2 (en) * 2010-04-08 2015-11-10 パナソニックＩｐマネジメント株式会社 Light emitting device

Also Published As

Publication number Publication date
EP2749134B1 (en) 2017-02-22
JP2015506104A (en) 2015-02-26
CN103999549A (en) 2014-08-20
US9089028B2 (en) 2015-07-21
US20140333225A1 (en) 2014-11-13
JP6143779B2 (en) 2017-06-07
EP2749134A1 (en) 2014-07-02
WO2013088361A1 (en) 2013-06-20
CN103999549B (en) 2017-04-05

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