公开(公告)号：US20210241704A1

公开(公告)日：2021-08-05

申请号：US17235105

申请日：2021-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Kihyun PYUN ,  Moonshik KANG ,  Dae-Sik LEE ,  Jun Pyo LEE ,  Min-Soo CHOI ,  Songyi HAN

IPC: G09G3/34 ,  H05B45/14

Abstract: A light source apparatus includes a plurality of light source gate lines extending in a first direction, a plurality of light source data lines extending in a second direction crossing the first direction, a plurality of light source emission lines, a plurality of feedback lines and a plurality of light source blocks. At least one of the light source blocks is connected to the light source gate line, the light source data line, the light source emission line and the feedback line.

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：US20230154420A1

公开(公告)日：2023-05-18

申请号：US18149443

申请日：2023-01-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kihyun PYUN ,  Moonshik KANG ,  Dae-Sik LEE ,  Jun Pyo LEE ,  Min-Soo CHOI ,  Songyi HAN

IPC: G09G3/34 ,  H05B45/14

CPC classification number: G09G3/3406 ,  H05B45/14 ,  G09G2330/023 ,  G09G2360/145

Abstract: A light source apparatus includes a plurality of light source gate lines extending in a first direction, a plurality of light source data lines extending in a second direction crossing the first direction, a plurality of light source emission lines, a plurality of feedback lines and a plurality of light source blocks. At least one of the light source blocks is connected to the light source gate line, the light source data line, the light source emission line and the feedback line.

公开(公告)号：US20210278883A1

公开(公告)日：2021-09-09

申请号：US17013898

申请日：2020-09-08

Applicant: Samsung Display Co., LTD.

Inventor： Yeon-Sun NA ,  Min-Soo CHOI

IPC: G06F1/18 ,  G09G3/20 ,  G06F1/20 ,  H05K7/20

Abstract: A display device includes a display panel, a data driver which transmits a data voltage to the display panel, a first flexible printed circuit board attached to the display panel and including an input side wiring electrically connected to the data driver, a first printed circuit board (PCB) electrically connected to the input side wiring to transmit a high-speed driving signal to the data driver, and a metal tape overlapping the input side wiring in a plan view and attached on the first flexible printed circuit board, where a part of the metal tape overlapping the input side wiring in the plan view defines an opening.

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：US20160140912A1

公开(公告)日：2016-05-19

申请号：US14850773

申请日：2015-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： Taegon IM ,  Min-Soo CHOI ,  Min-Gyu KIM ,  Youngsup KWON ,  Eun Chul SHIN ,  Dae-Sik LEE

IPC: G09G3/34 ,  G09G3/00

CPC classification number: G09G3/3406 ,  G09G3/003 ,  G09G3/3426 ,  G09G2310/0237 ,  G09G2310/0264 ,  G09G2310/08 ,  G09G2320/062 ,  G09G2320/064 ,  G09G2320/08 ,  G09G2360/16

Abstract: A backlight unit includes a light source part including a light-emitting diode array, a DC/DC converter, a driving current controller, and a reference voltage variable part. The backlight unit is operated in a first mode or a second mode. The driving current controller controls a driving current flowing through the light-emitting diode array to have a first current level during the first mode and controls the driving current flowing through the light-emitting diode array to have a second current level during the second mode. The reference voltage variable part applies a first reference voltage to the driving current controller during the first mode and applies a second reference voltage to the driving current controller during the second mode.

Abstract translation: 背光单元包括包括发光二极管阵列，DC / DC转换器，驱动电流控制器和参考电压可变部分的光源部分。 背光单元在第一模式或第二模式下操作。 驱动电流控制器控制流过发光二极管阵列的驱动电流，以在第一模式期间具有第一电流电平，并且在第二模式期间控制流过发光二极管阵列的驱动电流具有第二电流电平。 参考电压可变部分在第一模式期间将第一参考电压施加到驱动电流控制器，并且在第二模式期间将第二参考电压施加到驱动电流控制器。

公开(公告)号：US20150221249A1

公开(公告)日：2015-08-06

申请号：US14469619

申请日：2014-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kyunho KIM ,  Youngsup KWON ,  Min-Gyu KIM ,  Eun Chul SHIN ,  Hwanwoong LEE ,  Min-Soo CHOI

IPC: G09G3/20 ,  G09G3/34

CPC classification number: G09G3/2092 ,  G09G3/3413 ,  G09G3/3648 ,  G09G2330/025 ,  G09G2330/04

Abstract: A backlight unit including, a controller configured to generate a control signal, a power converter configured generate a light-source voltage in response to the control signal, and at least one light emitting diode string connected between a first node and a second node and supplied with the light-source voltage from the first node, wherein the controller includes a current controller configured to adjust a current flow through the light emitting diode string, and an overvoltage controller connected between the light emitting diode string and the current controller, including a passive element, wherein the overvoltage controller is configured to connect the passive element between the second node and the current controller when a voltage of the second node of the light emitting diode is higher than a reference voltage.

Abstract translation: 一种背光单元，包括：被配置为产生控制信号的控制器，被配置为响应于控制信号产生光源电压的功率转换器，以及连接在第一节点和第二节点之间的至少一个发光二极管串， 具有来自第一节点的光源电压，其中控制器包括配置成调节通过发光二极管串的电流的电流控制器，以及连接在发光二极管串和电流控制器之间的过电压控制器，包括被动 元件，其中所述过电压控制器被配置为当所述发光二极管的第二节点的电压高于参考电压时，在所述第二节点和所述电流控制器之间连接所述无源元件。