Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020141351 - A WIDE INPUT LIGHT EMITTING DIODE(LED) DRIVER CIRCUIT AND METHOD OF OPERATING THE SAME

Publication Number WO/2020/141351
Publication Date 09.07.2020
International Application No. PCT/IB2019/050008
International Filing Date 01.01.2019
IPC
H05B 33/00 2006.1
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
CPC
H05B 45/375
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
45Circuit arrangements for operating light emitting diodes [LED]
30Driver circuits
37Converter circuits
3725Switched mode power supply [SMPS]
375using buck topology
Y02B 20/30
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
20Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Applicants
  • MORADI, Shahram [IR]/[IR]
Inventors
  • MORADI, Shahram
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A WIDE INPUT LIGHT EMITTING DIODE(LED) DRIVER CIRCUIT AND METHOD OF OPERATING THE SAME
(FR) CIRCUIT D'ATTAQUE DE DIODE ÉLECTROLUMINESCENTE À ENTRÉE LARGE (DEL) ET SON PROCÉDÉ DE FONCTIONNEMENT
Abstract
(EN)
A wide input Light Emitting Diode(LED) driver circuit and method of operating the same This disclosure describes a circuit and a method to use LEDs as a part of power regulation circuit for controlling section in lightening devices which uses LEDs as the source of light. A plurality of LEDs configured to regulate power for the switching controller. Also, circuit and method demonstrated to control switching element and providing power for this section. Power up phase and design considerations described for the proper working.
(FR)
L'invention concerne un circuit d'attaque de diode électroluminescente (DEL) à entrée large et son procédé de fonctionnement. L'invention concerne un circuit et un procédé d'utilisation de DEL comme partie de circuit de régulation de puissance pour commander une section dans des dispositifs d'éclairage qui utilisent des DEL comme source de lumière. Une pluralité de DEL sont configurées pour réguler la puissance du dispositif de commande de commutation. L'invention concerne également un circuit et un procédé destinés à commander un élément de commutation et à fournir de l'énergie à cette section. Des considérations de conception et de phase de mise sous tension sont décrites pour le bon fonctionnement.
Latest bibliographic data on file with the International Bureau