EP2945466A3 - Dispositif d'éclairage à diode électroluminescente ayant de multiples étages d'entraînement - Google Patents

Dispositif d'éclairage à diode électroluminescente ayant de multiples étages d'entraînement Download PDF

Info

Publication number
EP2945466A3
EP2945466A3 EP15167698.8A EP15167698A EP2945466A3 EP 2945466 A3 EP2945466 A3 EP 2945466A3 EP 15167698 A EP15167698 A EP 15167698A EP 2945466 A3 EP2945466 A3 EP 2945466A3
Authority
EP
European Patent Office
Prior art keywords
current
envelope
controller
lighting device
light
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.)
Ceased
Application number
EP15167698.8A
Other languages
German (de)
English (en)
Other versions
EP2945466A2 (fr
Inventor
Horng-Bin Hsu
Yi-Mei Li
Yung-Hsin Chiang
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.)
Iml Hongkong Ltd
Original Assignee
IML International
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
Priority claimed from US14/277,029 external-priority patent/US9226354B2/en
Application filed by IML International filed Critical IML International
Publication of EP2945466A2 publication Critical patent/EP2945466A2/fr
Publication of EP2945466A3 publication Critical patent/EP2945466A3/fr
Ceased 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
    • 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
    • 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

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP15167698.8A 2014-05-13 2015-05-13 Dispositif d'éclairage à diode électroluminescente ayant de multiples étages d'entraînement Ceased EP2945466A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/277,029 US9226354B2 (en) 2013-06-03 2014-05-13 Light-emitting diode lighting device having multiple driving stages

Publications (2)

Publication Number Publication Date
EP2945466A2 EP2945466A2 (fr) 2015-11-18
EP2945466A3 true EP2945466A3 (fr) 2016-07-20

Family

ID=53180571

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15167698.8A Ceased EP2945466A3 (fr) 2014-05-13 2015-05-13 Dispositif d'éclairage à diode électroluminescente ayant de multiples étages d'entraînement

Country Status (1)

Country Link
EP (1) EP2945466A3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202017102336U1 (de) * 2017-04-20 2018-07-23 Zumtobel Lighting Gmbh Schaltungsanordnung zum Betreiben von Leuchtmitteln
CN113939063B (zh) * 2021-12-17 2022-03-22 深圳市明微电子股份有限公司 Led系统供电电源控制方法及供电电源可控的led系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110194311A1 (en) * 2010-02-09 2011-08-11 Power Integrations, Inc. Phase angle measurement of a dimming circuit for a switching power supply
US20130127354A1 (en) * 2010-12-07 2013-05-23 Iml International Two-terminal current controller and related led lighting device
WO2013100736A1 (fr) * 2011-12-29 2013-07-04 Seoul Semiconductor Co., Ltd Appareil de luminescence à diodes électroluminescentes
US20130257298A1 (en) * 2012-03-29 2013-10-03 Jeong In Cheon Power compensation device and light emitting diode illumination apparatus having the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110194311A1 (en) * 2010-02-09 2011-08-11 Power Integrations, Inc. Phase angle measurement of a dimming circuit for a switching power supply
US20130127354A1 (en) * 2010-12-07 2013-05-23 Iml International Two-terminal current controller and related led lighting device
WO2013100736A1 (fr) * 2011-12-29 2013-07-04 Seoul Semiconductor Co., Ltd Appareil de luminescence à diodes électroluminescentes
US20130257298A1 (en) * 2012-03-29 2013-10-03 Jeong In Cheon Power compensation device and light emitting diode illumination apparatus having the same

Also Published As

Publication number Publication date
EP2945466A2 (fr) 2015-11-18

Similar Documents

Publication Publication Date Title
EP2914065A3 (fr) Lampe d'éclairage et appareil d'éclairage
EP2863713A3 (fr) Appareil d'éclairage à DEL à commande CA à intensité réglable
EP2563094A3 (fr) Circuits et méthodes de contrôle des sources de lumière
EP2947964A3 (fr) Dispositif d'entraînement pour module de diode électroluminescente et procédé de commande d'un tel module
EP2923655A3 (fr) Systèmes et procédés pour la commande d'un circuit segmenté
WO2015071816A3 (fr) Procédés et appareil destinés à créer des effets d'éclairage directionnel
WO2012081878A3 (fr) Appareil d'éclairage à del fonctionnant sous courant alternatif
EP2916620A3 (fr) Techniques de commande de gradation hybride pour pilotes de DEL
EP2685790A3 (fr) Dispositif d'éclairage
EP2642830A3 (fr) Commande d'éclairage
EP2741585A3 (fr) Commande de courant de maintien adaptatif pour gradateur de DEL
EP2879468A3 (fr) Dispositif électroluminescent comprenant une diode électroluminescente et son procédé de commande
EP2574152A3 (fr) Commande d'éclairage
EP2844037A3 (fr) Mise en forme de courant pour DEL à intensité réglable
EP2670220A3 (fr) Appareil d'éclairage à DEL
EP2768286A3 (fr) Dispositif d'éclairage et accessoire d'éclairage
EP2552180A3 (fr) Dispositif d'éclairage et appareil d'éclairage l'utilisant
MX340611B (es) Circuito analogico para regulación de cambio de color .
EP2563095A3 (fr) Dispositif d'éclairage, dispositif d'éclairage de phare et unité de phare et véhicule en disposant
WO2012053825A3 (fr) Dispositif d'excitation de diode électroluminescente
WO2015017317A3 (fr) Deux bornes d'excitation de transistor à jonctions bipolaires (bjt) pour fonctionnement en mode commutation d'une ampoule électrique à base de diode électroluminescente (del)
WO2016027095A3 (fr) Agencement d'alimentation et d'éclairage contrôlable
EP2566299A3 (fr) Module de diode électroluminescente et son procédé de fonctionnement
WO2014133349A3 (fr) Circuit de commande d'un dispositif d'éclairage à diodes électroluminescentes
HK1195996A2 (en) Led drive device and method thereof

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: H05B 33/08 20060101AFI20160616BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20170119

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20200609

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: IML HONGKONG LIMITED

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20220401