公开(公告)号：US09307594B2

公开(公告)日：2016-04-05

申请号：US14519912

申请日：2014-10-21

Applicant: GTC CO., LTD.

Inventor： Deogyong Kim ,  Jungsoo Lee ,  Sangdo Kim

IPC: B41J2/47 ,  H05B33/08

CPC classification number: H05B33/0824 ,  H05B33/0809 ,  H05B33/0812 ,  Y02B20/341

Abstract: An apparatus for driving LEDs. The apparatus that drives a first LED unit having at least one LED and second LED unit connected to the first LED unit and having at least one LED comprises a rectifying unit for rectifying an AC power source connected to the first LED unit, a first current detector connected between the rectifying unit and the first LED unit and having its operation state changed depending on a level of current flowing through the first LED unit, a second current detector connected between the rectifying unit and the second LED unit and having its operation state changed depending on a level of current flowing through the second LED unit, and a reverse current protector connected between the first and second current detectors for providing a path to connect the first and second LED units in series.

Abstract translation: 一种用于驱动LED的装置。 驱动具有连接到第一LED单元并具有至少一个LED的至少一个LED和第二LED单元的第一LED单元的装置包括用于整流连接到第一LED单元的AC电源的整流单元，第一电流检测器 连接在整流单元和第一LED单元之间，并且其操作状态根据流过第一LED单元的电流水平而变化;第二电流检测器，连接在整流单元和第二LED单元之间，并且其操作状态根据 在流过第二LED单元的电流水平上，以及连接在第一和第二电流检测器之间的反向电流保护器，用于提供串联连接第一和第二LED单元的路径。

公开(公告)号：US20160050730A1

公开(公告)日：2016-02-18

申请号：US14519912

申请日：2014-10-21

Applicant: GTC CO., LTD.

Inventor： Deogyong Kim ,  Jungsoo Lee ,  Sangdo Kim

IPC: H05B33/08

CPC classification number: H05B33/0824 ,  H05B33/0809 ,  H05B33/0812 ,  Y02B20/341

Abstract: An apparatus for driving LEDs. The apparatus that drives a first LED unit having at least one LED and second LED unit connected to the first LED unit and having at least one LED comprises a rectifying unit for rectifying an AC power source connected to the first LED unit, a first current detector connected between the rectifying unit and the first LED unit and having its operation state changed depending on a level of current flowing through the first LED unit, a second current detector connected between the rectifying unit and the second LED unit and having its operation state changed depending on a level of current flowing through the second LED unit, and a reverse current protector connected between the first and second current detectors for providing a path to connect the first and second LED units in series.

Abstract translation: 一种用于驱动LED的装置。 驱动具有连接到第一LED单元并具有至少一个LED的至少一个LED和第二LED单元的第一LED单元的装置包括用于整流连接到第一LED单元的AC电源的整流单元，第一电流检测器 连接在整流单元和第一LED单元之间，并且其操作状态根据流过第一LED单元的电流水平而变化;第二电流检测器，连接在整流单元和第二LED单元之间，并且其操作状态根据 在流过第二LED单元的电流水平上，以及连接在第一和第二电流检测器之间的反向电流保护器，用于提供串联连接第一和第二LED单元的路径。