公开(公告)号：US20170186378A1

公开(公告)日：2017-06-29

申请号：US15392966

申请日：2016-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Su NA ,  Jin-Tae JEONG

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275 ,  G09G2310/0205 ,  G09G2310/0286 ,  G09G2310/0289 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2320/02

Abstract: A scan driver includes a plurality of scan driving blocks. Each of the scan driving blocks includes a first shift register including a plurality of driving transistors, the first shift register being configured to provide a first driving signal to a first driving node and to provide a second driving signal to a second driving node, a second shift register including a plurality of masking transistors, the second shift register being configured to provide a masking signal to a masking output node, and a buffer circuit including a plurality of buffer transistors, the buffer circuit being configured to provide scan signals. The buffer circuit outputs the scan signals that include the first pulse or the scan signals that include the first pulse and the second pulse based on the masking signal.

公开(公告)号：US20170206826A1

公开(公告)日：2017-07-20

申请号：US15406948

申请日：2017-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Hye KONG ,  Ji-Su NA ,  Yong-Sung PARK ,  Dong-Bum LEE ,  In-Ho CHOI ,  Young-In HWANG ,  Min-Woo BYUN ,  Hea-Min JUNG

IPC: G09G3/20

Abstract: A scan driver includes scan signal outputting circuits, at least one of the scan signal outputting circuits includes a driving circuit and a buffer circuit. The driving circuit includes driving transistors. The driving circuit provides first and second driving signals to first and second driving nodes, respectively by turning on or off the driving transistors in response to clock signals and a scan input signal. The buffer circuit includes buffer transistors. The buffer circuit outputs a scan signal at an output node by turning on or off the buffer transistors in response to the first and second driving signals. The at least one of the scan signal outputting circuits performs a back-biasing voltage applying operation on at least one of the driving transistors and the buffer transistors when the driving transistors and the buffer transistors are turned on or off.

公开(公告)号：US20170004771A1

公开(公告)日：2017-01-05

申请号：US15047502

申请日：2016-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Seung-Kyu LEE ,  Ji-Su NA

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

CPC classification number: G09G3/20 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0205 ,  G09G2310/0267 ,  G09G2310/0286 ,  G11C19/184

Abstract: An emission driver includes light emission driving controllers that are electrically connected to light emission control lines. Each of the light emission driving controllers may include a first circuit block configured to provide a second voltage to a first node in response to a first clock signal and to output a first voltage as a light emission control signal based on a voltage at the first node and a second clock signal having a phase difference from a phase of the first clock signal; and a second circuit block configured to provide a synchronization signal to a second node in response to the first clock signal, to maintain a voltage at the second node using a metal-oxide-semiconductor (MOS) capacitor, and to pull down the light emission control signal to have the second voltage in response to the voltage at the second node.

Abstract translation: 发射驱动器包括电连接到发光控制线的发光驱动控制器。 每个发光驱动控制器可以包括第一电路块，其被配置为响应于第一时钟信号向第一节点提供第二电压，并且基于第一节点处的电压输出作为发光控制信号的第一电压 以及第二时钟信号，其具有与所述第一时钟信号的相位的相位差; 以及第二电路块，被配置为响应于所述第一时钟信号向第二节点提供同步信号，以使用金属氧化物半导体（MOS）电容器维持所述第二节点处的电压，并且将所述发光 控制信号响应于第二节点处的电压具有第二电压。

公开(公告)号：US20170263188A1

公开(公告)日：2017-09-14

申请号：US15452862

申请日：2017-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji-Su NA ,  Ji-Hye KONG ,  Young-In HWANG

IPC: G09G3/3266 ,  G09G3/3258

CPC classification number: G09G3/3266 ,  G09G3/3258 ,  G09G3/3674 ,  G09G3/3677 ,  G09G2300/043 ,  G09G2300/0809 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/045

Abstract: A scan driver is integrated to include multiple drivers in a peripheral area of a display. The drivers output gate, emission, and/or other signals for driving pixel circuits in the display based on one or more clock signals.