LED DRIVING INTEGRATED CIRCUIT AND DRIVING METHOD THEREOF

Title:

LED DRIVING INTEGRATED CIRCUIT AND DRIVING METHOD THEREOF

Document Type and Number:

WIPO Patent Application WO/2015/141909

Kind Code:

A1

Abstract:

An LED driving integrated circuit according to an embodiment of the present invention comprises: an LED array comprising a first to an nth (where n is an integer that is greater than or equal to 2) group of LEDs connected in series; a control unit having a plurality of driving switches connected to the LED array and a driving switch controller for selectively opening and closing the plurality of driving switches; an LED current controlling circuit for controlling the current for each LED group; and a flicker controlling circuit for removing flicker generated due to connection to a dimmer.

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Inventors:

LEE YONG HEE (KR)
LEE MUENG YUL (KR)

Application Number:

PCT/KR2014/008041

Publication Date:

September 24, 2015

Filing Date:

August 28, 2014

Export Citation:

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Assignee:

LECORE TECHNOLOGIES INC (KR)

International Classes:

H05B37/02

Foreign References:

KR20130069516A	2013-06-26
US20130342122A1	2013-12-26
US20130169177A1	2013-07-04
US20130057169A1	2013-03-07

Other References:

KEYUE M. SMEDLEY ET AL.: "ONE-CYCLE CONTROL OF SWITCHING CONVERTERS", POWER ELECTRONICS SPECIALISTS CONFERENCE OF 22ND ANNUAL IEEE, 27 June 1991 (1991-06-27), pages 888 - 896, XP010048415, ISBN: 0-7803-0090-4

Attorney, Agent or Firm:

HAN, Ji Hee et al. (KR)
한지희 (KR)

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