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：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：US20160099394A1

公开(公告)日：2016-04-07

申请号：US14688525

申请日：2015-04-16

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Wan KIM ,  Jaekyu PARK ,  Youngsup KWON ,  Jin-Won JANG

IPC: H01L33/62 ,  H01L27/15

CPC classification number: H01L33/62 ,  G02F1/133603 ,  G02F2001/133612 ,  G02F2202/22 ,  H01L27/156

Abstract: A display device includes a light source which comprises a first line receiving power, a second line connected to a ground terminal, a plurality of light source units generating light, first to k-th conductive patterns connecting the light source units to the first and second lines in series, where k is a natural number greater than 1, and a discharge pattern disposed adjacent to the conductive patterns and the second line, and leading static electricity flowing into the conductive patterns to the second line.

Abstract translation: 显示装置包括：光源，其包括第一线路接收功率;连接到接地端子的第二线路;产生光的多个光源单元;将光源单元连接到第一和第二导体图案的第一至第k导电图案; 串联的线，其中k是大于1的自然数，以及与导电图案和第二线相邻布置的放电图案，并且使静电流入到第二线的导电图案中。

公开(公告)号：US20150131016A1

公开(公告)日：2015-05-14

申请号：US14252515

申请日：2014-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Wan KIM ,  Dae-Sik LEE ,  Jin-Won JANG

IPC: H05B33/08 ,  G02F1/1335

CPC classification number: H05B33/0815 ,  G02F1/133603 ,  G02F2001/133612 ,  G09G3/3406

Abstract: A backlight device includes an input line connected to an anode of a light source unit; an output line connected to a cathode of the light source unit; a resistance line connected between the output line and a ground and disposed in a pattern having a predetermined width and length to have a predetermined resistance; a sensing line connected to the output line; and a controller for measuring a balance voltage of the output line through the sensing line and controls an amount of current supplied to the input line based on the balance voltage, in which when a reference current is supplied to the input line, the balance voltage of the output line becomes a predetermined reference voltage due to the predetermined resistance.

Abstract translation: 背光装置包括连接到光源单元的阳极的输入线; 连接到所述光源单元的阴极的输出线; 连接在输出线和地之间的电阻线，并以具有预定电阻的预定宽度和长度的图案布置; 连接到输出线的感测线; 以及控制器，用于通过感测线测量输出线的平衡电压，并且基于平衡电压来控制提供给输入线的电流量，其中当参考电流被提供给输入线时，平衡电压 由于预定的电阻，输出线变为预定的参考电压。