公开(公告)号：US10540927B2

公开(公告)日：2020-01-21

申请号：US15862944

申请日：2018-01-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun-Hyun Park ,  Young-Wan Seo ,  An-Su Lee ,  Bo-Yong Chung ,  Kang-Moon Jo ,  Chong-Chul Chai

IPC: G09G3/3233 ,  H01L51/52 ,  G09G3/3258 ,  H01L27/32

Abstract: A display panel driver drives pixels based on first power having at least three voltage levels, second power having a constant voltage, and third power having two voltage levels. Each pixel includes a first transistor connected between first and second nodes and including a gate electrode to receive a scan signal, a second transistor connected between the second node and a third node in series with the first transistor and including a gate electrode to receive the third power, and a driving transistor connected between a source of the first power and the third node and including a gate electrode connected to the first electrode to control a driving current for an organic light emitting diode. A first capacitor is connected between a source of the third power and the first node, and a second capacitor is connected between the second node and one of the data lines.

公开(公告)号：US10242626B2

公开(公告)日：2019-03-26

申请号：US14158709

申请日：2014-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hae-Yeon Lee ,  Yong-Jae Kim ,  Bo-Yong Chung

IPC: G09G3/3266

Abstract: A stage includes an output unit configured to supply a scan signal to an output terminal according to voltages of first and second nodes; a first driver configured to control the voltages of the first and second nodes so that when a start signal or an output signal of a previous stage is supplied to a first input terminal, the scan signal is supplied from the output unit; and a second driver configured to control the voltages of the first and second nodes, corresponding to signals supplied to a second input terminal, a fourth input terminal and a fifth input terminal, wherein the second driver comprises eighth and ninth transistors coupled in series between the output terminal and the second node, and wherein a gate electrode of the eighth transistor is coupled to the first node, and a gate electrode of the ninth transistor is coupled to the fourth input terminal.

公开(公告)号：US10198998B2

公开(公告)日：2019-02-05

申请号：US15157067

申请日：2016-05-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hai-Jung In ,  Bo-Yong Chung

IPC: G09G3/3266 ,  G09G3/3225

Abstract: There is provided a gate driver including a plurality of gate sub-drivers electrically connected to a plurality of gate lines, wherein an (n)th gate sub-driver, of the gate sub-drivers includes a shift register configured to receive an (n−1)th carry signal from an (n−1)th gate sub-driver of the gate sub-drivers adjacent to the (n)th gate sub-driver, to synchronize the (n−1)th carry signal with a first clock signal, and to output an (n)th carry signal based on the synchronized (n−1)th carry signal, and a mask configured to output a gate signal based on the synchronized (n−1)th carry signal and a mask signal, wherein n is an integer greater than or equal to 2.

公开(公告)号：US10102803B2

公开(公告)日：2018-10-16

申请号：US15645567

申请日：2017-07-10

Applicant: Samsung Display Co., Ltd.

Inventor： Jun-Hyun Park ,  An-Su Lee ,  Bo-Yong Chung ,  Chong-Chul Chai

IPC: G09G3/00 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display apparatus includes a plurality of pixels. Each pixel includes a first capacitor connected between a first voltage line receiving a driving signal and a first node; a first transistor comprising a control electrode connected to the first node, a first electrode connected to a second voltage line receiving a first power source signal, and a second electrode connected to a second node; an organic light emitting diode comprising an anode electrode connected to the second node and a cathode electrode receiving a second power source signal; a second capacitor connected between an m-th data line and the second node; a second transistor comprising a control electrode connected to an n-th gate line, a first electrode connected to the first node, and a second electrode connected to the second node;and a third transistor comprising a control electrode connected to an n-th scan line, a first electrode connected to the first voltage line, and a second electrode connected to the second node.

公开(公告)号：US10026798B2

公开(公告)日：2018-07-17

申请号：US14708116

申请日：2015-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Jae Kim ,  Bo-Yong Chung ,  Hae-Yeon Lee

IPC: H01L27/32 ,  G02F1/1362 ,  H01L29/423 ,  H01L23/60 ,  H01L27/02 ,  G09G3/3208 ,  H01L27/12

CPC classification number: H01L27/3276 ,  G02F1/136204 ,  G02F2202/22 ,  G09G3/3208 ,  G09G2330/04 ,  H01L23/60 ,  H01L27/0266 ,  H01L27/027 ,  H01L27/0296 ,  H01L27/1214 ,  H01L27/3262 ,  H01L27/3265 ,  H01L29/4232 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A static electricity prevention circuit of a display device including: a driving circuit configured to drive a display unit that displays an image, at least one clock signal wire configured to transmit a clock signal to the driving circuit, at least one transistor electrically coupled to the clock signal wire, and at least one capacitor including a first electrode coupled to a source electrode and to a drain electrode of the transistor, and a second electrode configured to be maintained at a voltage.

公开(公告)号：US09576535B2

公开(公告)日：2017-02-21

申请号：US14148667

申请日：2014-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yong-Sung Park ,  Tak-Young Lee ,  Hai-Jung In ,  Bo-Yong Chung ,  Min-Hyuk Choi ,  Yong-Jae Kim

IPC: G06F3/038 ,  G09G3/32

CPC classification number: G09G3/3241 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0245 ,  G09G2310/0251 ,  G09G2320/0233 ,  G09G2320/043 ,  G09G2320/045 ,  G09G2360/148

Abstract: A pixel includes an organic light emitting diode, a first driver and a second driver. The second driver controls an amount of current supplied from a first power source to the organic light emitting diode, corresponding to a previous data signal. The first driver stores a current data signal supplied from a data line and supplies the previous data signal to the second driver. In the pixel, the second driver includes a sixth transistor coupled between an initialization power source and a first node coupled to a gate electrode of a first transistor, the sixth transistor being configured to turn on when a first control signal is supplied; and a seventh transistor coupled between the first power source and a second node commonly coupled to the first and second drivers, the seventh transistor being configured to turn on when the first control signal is supplied.

Abstract translation: 像素包括有机发光二极管，第一驱动器和第二驱动器。 第二驱动器控制从先前数据信号对应于从第一电源向有机发光二极管提供的电流量。 第一驱动器存储从数据线提供的当前数据信号，并将先前的数据信号提供给第二驱动器。 在像素中，第二驱动器包括耦合在初始化电源和耦合到第一晶体管的栅电极的第一节点之间的第六晶体管，第六晶体管被配置为当提供第一控制信号时导通; 以及耦合在所述第一电源和共同耦合到所述第一和第二驱动器的第二节点之间的第七晶体管，所述第七晶体管被配置为当所述第一控制信号被提供时导通。

公开(公告)号：US09524667B2

公开(公告)日：2016-12-20

申请号：US14038594

申请日：2013-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Hai-Jung In ,  Jung-Bae Kim ,  Bo-Yong Chung

IPC: G09G3/30 ,  G09G3/32

CPC classification number: G09G3/3233 ,  G09G3/3208 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2300/0876 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/061 ,  G09G2320/043 ,  G09G2320/045

Abstract: A pixel circuit for an organic light emitting diode (OLED) display is disclosed. One inventive aspect includes an organic light emitting diode, a first transistor, a storage unit, a second transistor and a third transistor. The first transistor controls the amount of current flowing from a first power source coupled to a second power source via a second node and the organic light emitting diode in response to a voltage at a first node. The storage unit is connected to a data line, and stores a data signal from the data line. The second transistor is connected to a fourth node and the first node and is turned on when a second control signal is supplied. The third transistor is connected to the first node and a third node and is turned on when a third control signal is supplied.

Abstract translation: 公开了一种用于有机发光二极管（OLED）显示器的像素电路。 本发明的一个方面包括有机发光二极管，第一晶体管，存储单元，第二晶体管和第三晶体管。 第一晶体管响应于第一节点处的电压控制经由第二节点耦合到第二电源的第一电源和有机发光二极管的电流量。 存储单元连接到数据线，并存储来自数据线的数据信号。 第二晶体管连接到第四节点和第一节点，并且当提供第二控制信号时被接通。 第三晶体管连接到第一节点和第三节点，并且当提供第三控制信号时被接通。

公开(公告)号：US09508300B2

公开(公告)日：2016-11-29

申请号：US13714317

申请日：2012-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung-Mi Choi ,  Bo-Yong Chung ,  Keum-Nam Kim

IPC: G09G3/36 ,  H01L27/12 ,  H01L23/522 ,  H01L49/02 ,  H01L21/8234 ,  H01L27/06 ,  G11C19/18 ,  G09G3/32

CPC classification number: G09G3/3688 ,  G09G3/3266 ,  G09G3/3677 ,  G09G2300/08 ,  G09G2310/0286 ,  G09G2330/08 ,  G11C19/182 ,  H01L21/823475 ,  H01L23/5223 ,  H01L27/0629 ,  H01L27/1255 ,  H01L28/60 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A driving circuit includes: an input terminal; an output terminal; a first transistor having a source electrode coupled to the input terminal, a drain electrode coupled to the output terminal, and a gate electrode; a second transistor having a source electrode, a drain electrode, and a gate electrode respectively coupled to the source electrode, the drain electrode, and the gate electrode of the first transistor; a first capacitor having a first electrode coupled to the input terminal and a second electrode coupled to the output terminal; and a second capacitor coupled in parallel with the first capacitor and having a first electrode coupled to the first electrode of the first capacitor and a second electrode that is floated.

Abstract translation: 驱动电路包括：输入端子; 输出端子; 第一晶体管，其具有耦合到输入端子的源极电极，耦合到输出端子的漏极电极和栅极电极; 分别与第一晶体管的源电极，漏电极和栅电极耦合的源电极，漏电极和栅电极的第二晶体管; 第一电容器，其具有耦合到所述输入端子的第一电极和耦合到所述输出端子的第二电极; 以及与所述第一电容器并联耦合并具有耦合到所述第一电容器的第一电极的第一电极和浮置的第二电极的第二电容器。

公开(公告)号：US09444443B2

公开(公告)日：2016-09-13

申请号：US13959998

申请日：2013-08-06

Applicant: Samsung Display Co., Ltd.

Inventor： Bo-Yong Chung ,  Jung-Mi Choi

IPC: G09G5/00 ,  H03K17/0812 ,  G09G3/36 ,  G11C19/28

CPC classification number: H03K17/08122 ,  G09G3/3677 ,  G09G2310/0286 ,  G09G2370/08 ,  G11C19/28

Abstract: A gate driver includes a plurality of stages respectively outputting a plurality of gate output signals. An N-th stage of the gate driver (where N is a positive integer) includes a first input part, a second input part, a pull up part, a pull down part, a holding part and a stabilizing part. The first input part transmits a first clock signal to a second node in response to a signal at a first node. The second input part transmits an input signal to the first node in response to a second clock signal. The pull up part pulls up the gate output signal in response to a signal at the second node. The pull down part pulls down the gate output signal in response to the signal at the first node. The holding part maintains the signal at the second node in response to the first clock signal. The stabilizing part stabilizes the gate output signal in response to the signal at the second node and a third clock signal.

Abstract translation: 栅极驱动器包括分别输出多个栅极输出信号的多个级。 栅极驱动器（其中N为正整数）的第N级包括第一输入部分，第二输入部分，上拉部分，下拉部分，保持部分和稳定部分。 第一输入部分响应于第一节点处的信号将第一时钟信号发送到第二节点。 第二输入部分响应于第二时钟信号将输入信号发送到第一节点。 上拉部分响应于第二节点处的信号上拉门输出信号。 下拉部分响应于第一节点处的信号来拉下门输出信号。 保持部分响应于第一时钟信号而保持第二节点处的信号。 稳定部分响应于第二节点处的信号和第三时钟信号来稳定栅极输出信号。

公开(公告)号：US09148930B2

公开(公告)日：2015-09-29

申请号：US13869791

申请日：2013-04-24

Applicant: Samsung Display Co., LTD.

Inventor： Bo-Yong Chung ,  Hae-Yeon Lee ,  Tak-Young Lee ,  Jin-Gon Oh ,  Yong-Jae Kim

IPC: G09G3/32 ,  H05B33/08

CPC classification number: H05B33/0896 ,  G09G3/3233 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0262 ,  G09G2310/027 ,  G09G2310/067 ,  G09G2320/045

Abstract: An organic light emitting display capable of improving display quality. The organic light emitting display includes a data driver for supplying bias power supply to data lines in a first period of one frame, for supplying reference power supply in a second period, and for supplying data signals in a fourth period, a scan driver for sequentially supplying scan signals to scan lines in the fourth period, pixels positioned at intersections of the scan lines and the data lines, and a first control line, a second control line, a third control line, and a fourth control line commonly coupled to the pixels. Each of the pixels includes a first capacitor for previously charging voltages corresponding to the data signals and a second capacitor charged by a voltage of the first capacitor in a third period between the second period and the fourth period.

Abstract translation: 一种能够提高显示质量的有机发光显示器。 有机发光显示器包括数据驱动器，用于在一帧的第一周期内向数据线提供偏置电源，用于在第二周期内提供参考电源，并且用于在第四周期中提供数据信号，用于顺序地提供数据信号 将扫描信号提供到第四周期中的扫描线，位于扫描线和数据线的交点处的像素，以及共同耦合到像素的第一控制线，第二控制线，第三控制线和第四控制线 。 每个像素包括用于在第二周期和第四周期之间的第三周期中预先对与数据信号相对应的电压和由第一电容器的电压充电的第二电容器的第一电容器。