BR112015021460A2 - circuito e método de iluminação - Google Patents

circuito e método de iluminação

Info

Publication number
BR112015021460A2
BR112015021460A2 BR112015021460A BR112015021460A BR112015021460A2 BR 112015021460 A2 BR112015021460 A2 BR 112015021460A2 BR 112015021460 A BR112015021460 A BR 112015021460A BR 112015021460 A BR112015021460 A BR 112015021460A BR 112015021460 A2 BR112015021460 A2 BR 112015021460A2
Authority
BR
Brazil
Prior art keywords
circuit
columns
current
parallel
led
Prior art date
Application number
BR112015021460A
Other languages
English (en)
Inventor
Balazs Jeno
Szallasi Szabolcs
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR112015021460A2 publication Critical patent/BR112015021460A2/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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/35—Balancing circuits
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/395—Linear regulators
    • H05B45/397—Current mirror circuits
    • 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
    • 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

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Electronic Switches (AREA)

Abstract

resumo “circuito e método de iluminação” trata-se de um sistema e método para dividir de maneira igual a corrente suprida a colunas de leds conectadas em paralelo. o sistema e método inclui um circuito de divisão de corrente tal como um circuito em espelho que dividir a corrente substancialmente de maneira igual entre duas ou mais colunas de leds conectadas em paralelo. o circuito de divisão de corrente assegura que os níveis de iluminação das colunas de leds sejam uniformes sem exigir que as colunas de leds sejam compartimentadas. o circuito de divisão de corrente também permite que as colunas de leds sejam reguladas em luminosidade em ambos os modos de modulação por largura de pulso (pwm) e contínuo.
BR112015021460A 2013-03-06 2014-01-23 circuito e método de iluminação BR112015021460A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/786,768 US9119258B2 (en) 2013-03-06 2013-03-06 Current split circuit for equally splitting current between parallel connected LED luminaire strings
PCT/US2014/012717 WO2014137501A1 (en) 2013-03-06 2014-01-23 Current split circuit for equally splitting current between parallel connected led luminaire strings

Publications (1)

Publication Number Publication Date
BR112015021460A2 true BR112015021460A2 (pt) 2017-07-18

Family

ID=50033856

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015021460A BR112015021460A2 (pt) 2013-03-06 2014-01-23 circuito e método de iluminação

Country Status (8)

Country Link
US (1) US9119258B2 (pt)
EP (1) EP2965591A1 (pt)
KR (1) KR20150125957A (pt)
CN (1) CN105027675B (pt)
BR (1) BR112015021460A2 (pt)
MX (1) MX348235B (pt)
TW (1) TWI600345B (pt)
WO (1) WO2014137501A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI636590B (zh) * 2017-09-20 2018-09-21 宏齊科技股份有限公司 發光二極體封裝
KR101969748B1 (ko) 2017-12-27 2019-08-20 삼성유리공업(주) 파워 led 모듈의 회로저항 차이를 극복하는 저 발열형 전류 분배 안정화 장치
FR3078442B1 (fr) * 2018-02-26 2023-02-10 Valeo Vision Source lumineuse electroluminescente destinee a etre alimentee par une source de tension
KR102348385B1 (ko) * 2020-12-14 2022-01-11 주식회사 위너텍 엘이디 바 조명 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4544068B2 (ja) * 2005-07-14 2010-09-15 ソニー株式会社 発光ダイオード素子の駆動回路、光源装置、表示装置
KR101437014B1 (ko) 2007-07-20 2014-11-04 삼성디스플레이 주식회사 표시 장치용 광원 모듈 및 이를 포함하는 표시 장치
JP4994253B2 (ja) 2008-01-24 2012-08-08 株式会社ジャパンディスプレイイースト 液晶表示装置
TWI400989B (zh) 2008-05-30 2013-07-01 Green Solution Technology Inc 發光二極體驅動電路及其控制器
US8242704B2 (en) * 2008-09-09 2012-08-14 Point Somee Limited Liability Company Apparatus, method and system for providing power to solid state lighting
TW201117657A (en) 2009-11-13 2011-05-16 Well Shin Technology Co Ltd Electric current equilibrium circuit of string LED group
US8610368B2 (en) * 2009-12-21 2013-12-17 Top Victory Investments Ltd. Serial-type light-emitting diode (LED) device
TWI463911B (zh) * 2010-09-09 2014-12-01 Richtek Technology Corp 發光元件陣列驅動電路與用於其中之電流分配電路以及發光元件陣列電流分配方法
DE202012104937U1 (de) 2012-03-22 2013-01-14 Insta Elektro Gmbh LED-Leuchtfeldschaltung

Also Published As

Publication number Publication date
KR20150125957A (ko) 2015-11-10
EP2965591A1 (en) 2016-01-13
TWI600345B (zh) 2017-09-21
TW201442558A (zh) 2014-11-01
US9119258B2 (en) 2015-08-25
WO2014137501A1 (en) 2014-09-12
CN105027675B (zh) 2017-05-31
MX2015011495A (es) 2016-02-03
CN105027675A (zh) 2015-11-04
MX348235B (es) 2017-05-30
US20140252966A1 (en) 2014-09-11

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements