公开(公告)号：US20170092204A1

公开(公告)日：2017-03-30

申请号：US15374016

申请日：2016-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Wan KIM ,  Min-Soo CHOI ,  Gwang-Teak LEE ,  Tae-Gon IM ,  Myoung-Soo KIM ,  Hwan-Woong LEE ,  Seung-Young CHOI

IPC: G09G3/34 ,  G09G5/10 ,  G09G3/3233 ,  H05B33/08

CPC classification number: G09G3/3426 ,  G09G3/3233 ,  G09G5/10 ,  G09G2300/023 ,  G09G2310/0289 ,  G09G2310/06 ,  G09G2320/064 ,  G09G2360/16 ,  H05B33/0803 ,  H05B33/0815 ,  H05B33/0845

Abstract: A method of driving a light-source module includes adjusting a frequency of a boosting switching signal based on a dimming signal which controls luminance of a light-emitting diode (“LED”) string of the light-source module, where the LED string comprises a plurality of LEDs connected to each other in series, and controlling a main transistor in response to the boosting switching signal to transfer a driving voltage to the LED string.

公开(公告)号：US20210090512A1

公开(公告)日：2021-03-25

申请号：US17106633

申请日：2020-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Wan KIM ,  Min-Soo CHOI ,  Gwang-Teak LEE ,  Tae-Gon IM ,  Myoung-Soo KIM ,  Hwan-Woong LEE ,  Seung-Young CHOI

IPC: G09G3/34 ,  G09G3/3233 ,  H05B45/00 ,  H05B45/10 ,  H05B45/37 ,  G09G5/10

Abstract: A method of driving a light-source module includes adjusting a frequency of a boosting switching signal based on a dimming signal which controls luminance of a light-emitting diode (“LED”) string of the light-source module, where the LED string comprises a plurality of LEDs connected to each other in series, and controlling a main transistor in response to the boosting switching signal to transfer a driving voltage to the LED string.

公开(公告)号：US20130321484A1

公开(公告)日：2013-12-05

申请号：US13742519

申请日：2013-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung-Wan KIM ,  Min-Soo CHOI ,  Gwang-Teak LEE ,  Tae-Gon IM ,  Myoung-Soo KIM ,  Hwan-Woong LEE ,  Seung-Young CHOI

IPC: G09G3/32

CPC classification number: G09G3/3426 ,  G09G3/3233 ,  G09G5/10 ,  G09G2300/023 ,  G09G2310/0289 ,  G09G2310/06 ,  G09G2320/064 ,  G09G2360/16 ,  H05B33/0803 ,  H05B33/0815 ,  H05B33/0845

Abstract: A method of driving a light-source module includes adjusting a frequency of a boosting switching signal based on a dimming signal which controls luminance of a light-emitting diode (“LED”) string of the light-source module, where the LED string comprises a plurality of LEDs connected to each other in series, and controlling a main transistor in response to the boosting switching signal to transfer a driving voltage to the LED string.

Abstract translation: 驱动光源模块的方法包括基于控制光源模块的发光二极管（“LED”）串的亮度的调光信号来调节升压切换信号的频率，其中LED串包括 串联连接的多个LED，并且响应于升压开关信号控制主晶体管，以将驱动电压传送到LED串。

公开(公告)号：US20150230347A1

公开(公告)日：2015-08-13

申请号：US14463259

申请日：2014-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Dae BAE ,  Myoung-Soo KIM

IPC: H05K3/36

CPC classification number: H05K3/361 ,  H05K3/0058 ,  H05K2201/10128 ,  H05K2203/0165 ,  Y10T29/49126

Abstract: A method for manufacturing a display device includes: connecting a first printed circuit board and a second printed circuit board with a first connecting film, the first printed circuit board and the second printed circuit board configured to apply a driving signal to a display panel; attaching a fixing member to the first printed circuit board and the second printed circuit board, such that the first connecting film extends away from the display panel and the first printed circuit board is spaced apart from the display panel; attaching the second printed circuit board to the display panel with second connecting films; removing the fixing member; and attaching the first printed circuit board to the display panel.

Abstract translation: 一种显示装置的制造方法，其特征在于，具有：将第一印刷电路基板与第二印刷电路基板连接的第一连接薄膜，所述第一印刷电路板和所述第二印刷电路基板构成为向显示面板施加驱动信号; 将固定构件附接到第一印刷电路板和第二印刷电路板，使得第一连接膜远离显示面板延伸，并且第一印刷电路板与显示面板间隔开; 用第二连接膜将第二印刷电路板连接到显示面板; 移除固定构件; 以及将所述第一印刷电路板附接到所述显示面板。

公开(公告)号：US20150181672A1

公开(公告)日：2015-06-25

申请号：US14453998

申请日：2014-08-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min-Soo CHOI ,  Young-Sup KWON ,  Myoung-Soo KIM

IPC: H05B33/08 ,  G09G3/36

CPC classification number: H05B33/0815 ,  G09G3/3426 ,  G09G3/3648 ,  G09G2320/064 ,  Y02B20/347

Abstract: A method of driving light source includes detecting a frequency of a dimming signal, which controls a luminance of a light source, to output a frequency detection signal, and outputting a current control signal, which controls a current flow in the light source, based on the frequency detection signal, where the current control signal has a frequency substantially the same as the frequency of the dimming signal.

Abstract translation: 驱动光源的方法包括：检测控制光源亮度的调光信号的频率，输出频率检测信号，并输出控制光源中的电流的电流控制信号，基于 频率检测信号，其中电流控制信号具有与调光信号的频率基本相同的频率。

公开(公告)号：US20140192102A1

公开(公告)日：2014-07-10

申请号：US13928582

申请日：2013-06-27

Applicant: Samsung Display Co., Ltd.

Inventor： Taegon IM ,  Myoung-Soo KIM ,  HWANWOONG LEE ,  Min-Soo CHOI ,  EUN CHUL SHIN ,  Dae-Sik LEE

IPC: H05B33/08 ,  G09G5/10

CPC classification number: G09G5/10 ,  G09G3/3406 ,  H05B33/0827

Abstract: A backlight unit includes a power converter configured to generate a light source driving voltage in response to a voltage control signal, a plurality of light emitting diode strings, where each of the light emitting diode strings receives the light source driving voltage through a first terminal thereof, a plurality of transistors corresponding to the light emitting diode strings, where each of the transistors includes: a first electrode connected to a second terminal of a corresponding light emitting diode string thereof; a second electrode; and a control electrode, and a controller connected to the control electrode and the second electrode, where the controller outputs a plurality of current control signals to control electrodes of the transistors and generate the voltage control signal, where the controller generates an over-current detection signal when any one of the current control signals has a pulse width greater than a predetermined reference width.

Abstract translation: 背光单元包括功率转换器，其被配置为响应于电压控制信号产生光源驱动电压，多个发光二极管串，其中每个发光二极管串通过其第一端子接收光源驱动电压 ，对应于发光二极管串的多个晶体管，其中每个晶体管包括：连接到其相应的发光二极管串的第二端子的第一电极; 第二电极; 以及控制电极，连接到控制电极和第二电极的控制器，其中控制器将多个电流控制信号输出到晶体管的控制电极并产生电压控制信号，其中控制器产生过电流检测 当任何一个电流控制信号具有大于预定参考宽度的脉冲宽度时的信号。