公开(公告)号：US20150257215A1

公开(公告)日：2015-09-10

申请号：US14465321

申请日：2014-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeong-il KANG

IPC: H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0851 ,  Y02B20/346

Abstract: Provided is a light emitting driving apparatus, including a driver configured to drive a light emitting device, a switch configured supply power to the light emitting device, and a controller configured to adjust a switching off time of the switch according to a voltage applied to the light emitting device.

Abstract translation: 本发明提供一种发光驱动装置，包括驱动配置成驱动发光装置的驱动器，配置为向发光装置供电的开关，以及控制器，被配置为根据施加到发光装置的电压来调节开关的切断时间 发光装置。

公开(公告)号：US20130113380A1

公开(公告)日：2013-05-09

申请号：US13668848

申请日：2012-11-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Tae-sung KIM ,  Yong-joo LEE ,  Jeong-il KANG

IPC: H05B37/02

CPC classification number: G09G3/3406 ,  G09G2330/04 ,  H05B33/0815

Abstract: A display apparatus is provided. The display apparatus includes a display panel configured to display an image, an LED module configured to provide backlight to the display panel, an LED driving unit configured to apply a driving voltage to the LED module using an external power, an exterior unit configured to support the LED driving unit and the LED module and include a ground terminal provided separately from the external power, and an LED driving control unit which causes an operation of the LED driving unit to be stopped based on a current flowing in from the ground terminal.

Abstract translation: 提供一种显示装置。 所述显示装置包括被配置为显示图像的显示面板，被配置为向所述显示面板提供背光的LED模块，被配置为使用外部电源向所述LED模块施加驱动电压的LED驱动单元，被配置为支持 LED驱动单元和LED模块，并且包括与外部电源分开设置的接地端子，以及LED驱动控制单元，其基于从接地端子流入的电流使LED驱动单元的操作停止。