BR112014027593A2 - sistema de iluminação com led, e, método de operação de pelo menos um módulo de led - Google Patents

sistema de iluminação com led, e, método de operação de pelo menos um módulo de led

Info

Publication number
BR112014027593A2
BR112014027593A2 BR112014027593A BR112014027593A BR112014027593A2 BR 112014027593 A2 BR112014027593 A2 BR 112014027593A2 BR 112014027593 A BR112014027593 A BR 112014027593A BR 112014027593 A BR112014027593 A BR 112014027593A BR 112014027593 A2 BR112014027593 A2 BR 112014027593A2
Authority
BR
Brazil
Prior art keywords
led
current
module
control signal
lighting system
Prior art date
Application number
BR112014027593A
Other languages
English (en)
Inventor
Josef Günther Radermacher Harald
Jacob Lulofs Klaas
Adriaan Nicolaas Wilhelm De Wit Lino
Hubertus Franciscus Deurenberg Peter
Original Assignee
Koninklijke 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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112014027593A2 publication Critical patent/BR112014027593A2/pt

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]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
    • 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
    • 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]
    • H05B45/40—Details of LED load circuits
    • H05B45/44—Details of LED load circuits with an active control inside an LED matrix
    • H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

resumo sistema de iluminação com led, e, método de operação de pelo menos um módulo de led a presente invenção refere-se a um sistema de iluminação com led que compreende um circuito de fornecimento de energia e pelo menos um módulo de led. o circuito de fornecimento de energia compreende terminais de entrada (k1, k2) para conexão a uma fonte de tensão de fornecimento e terminais de saída (k3, k4) e um circuito condutor (i, ii) acoplado entre os terminais de entrada e os terminais de saída para gerar uma corrente de led a partir de uma tensão de fornecimento fornecida pela fonte de tensão de fornecimento, que compreende um circuito de controle condutor (ii) com um terminal de entrada (k7) para receber um sinal de controle de corrente e para gerar uma corrente de led dependendo do sinal de controle de corrente. o pelo menos um módulo de led compreende terminais de entrada (k5, k6) para acoplar aos terminais de saída do circuito de fornecimento de energia, uma carga led (ls) acoplada entre os terminais de entrada e um circuito de controle de módulo para gerar um sinal de controle de corrente como um sinal de formato de onda quadrada que compreende uma primeira parte com uma primeira amplitude durante um lapso de primeira vez que representa uma magnitude desejada da corrente de led, o mencionado circuito de controle de módulo compreende um acoplamento ac do sinal de controle de corrente ao terminal de entrada do circuito de controle condutor. 1/1
BR112014027593A 2012-05-08 2013-04-26 sistema de iluminação com led, e, método de operação de pelo menos um módulo de led BR112014027593A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261643976P 2012-05-08 2012-05-08
EP20120167070 EP2663161A1 (en) 2012-05-08 2012-05-08 LED lighting system
PCT/IB2013/053298 WO2013168042A1 (en) 2012-05-08 2013-04-26 Led lighting system

Publications (1)

Publication Number Publication Date
BR112014027593A2 true BR112014027593A2 (pt) 2017-06-27

Family

ID=46125195

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014027593A BR112014027593A2 (pt) 2012-05-08 2013-04-26 sistema de iluminação com led, e, método de operação de pelo menos um módulo de led

Country Status (7)

Country Link
US (1) US9980334B2 (pt)
EP (2) EP2663161A1 (pt)
JP (1) JP6214632B2 (pt)
CN (1) CN104272873B (pt)
BR (1) BR112014027593A2 (pt)
ES (1) ES2709325T3 (pt)
WO (1) WO2013168042A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2648482A1 (en) * 2012-04-05 2013-10-09 Koninklijke Philips N.V. LED lighting system
WO2015010972A2 (en) 2013-07-24 2015-01-29 Koninklijke Philips N.V. Power supply for led lighting system
US9575497B2 (en) * 2014-04-03 2017-02-21 Microchip Technology Inc. Current control circuit for linear LED driver
CN104507218B (zh) * 2014-12-15 2017-03-15 罗小华 基于电源线边沿信号控制的彩灯装置
DE202015102078U1 (de) * 2015-04-27 2016-08-01 Zumtobel Lighting Gmbh Anordnung zur Beleuchtung
DE102015214090A1 (de) * 2015-07-24 2017-01-26 Osram Gmbh Beleuchtungseinrichtung
JP6846945B2 (ja) * 2017-02-22 2021-03-24 株式会社小糸製作所 光源駆動装置、車両用灯具
JP6820779B2 (ja) * 2017-03-21 2021-01-27 株式会社小糸製作所 点灯回路および車両用灯具

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4099496B2 (ja) * 2002-03-01 2008-06-11 シャープ株式会社 発光装置並びに該発光装置を用いた表示装置及び読み取り装置
FR2900304B1 (fr) 2006-04-20 2012-03-02 Valeo Vision Dispositif de commande de led pour un feu de vehicule
CN101427441B (zh) * 2006-04-21 2012-10-10 三多尼克爱特克两合股份有限公司 Led驱动电路
TW200816870A (en) * 2006-09-21 2008-04-01 Beyond Innovation Tech Co Ltd Circuit and method for driving light source
JP5217273B2 (ja) * 2007-07-13 2013-06-19 東芝ライテック株式会社 照明装置
US7800315B2 (en) * 2007-09-21 2010-09-21 Exclara, Inc. System and method for regulation of solid state lighting
US8598808B2 (en) * 2010-08-02 2013-12-03 Microsemi Corporation Flyback with switching frequency responsive to load and input voltage
JP5850941B2 (ja) * 2010-10-19 2016-02-03 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｌｅｄレトロフィットランプ
US8773031B2 (en) * 2010-11-22 2014-07-08 Innosys, Inc. Dimmable timer-based LED power supply
EP2618635A1 (en) 2012-01-19 2013-07-24 Koninklijke Philips Electronics N.V. Self-adjusting lighting driver for driving lighting sources and lighting unit including self-adjusting lighting driver

Also Published As

Publication number Publication date
JP2015520483A (ja) 2015-07-16
CN104272873A (zh) 2015-01-07
EP2663161A1 (en) 2013-11-13
US20150123549A1 (en) 2015-05-07
EP2848091A1 (en) 2015-03-18
CN104272873B (zh) 2017-09-15
WO2013168042A1 (en) 2013-11-14
US9980334B2 (en) 2018-05-22
JP6214632B2 (ja) 2017-10-18
EP2848091B1 (en) 2018-11-28
ES2709325T3 (es) 2019-04-16

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PHILIPS LIGHTING HOLDING B.V (NL)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]