公开(公告)号：US20210074220A1

公开(公告)日：2021-03-11

申请号：US16903307

申请日：2020-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Jong Hee KIM ,  Tak Young LEE ,  Bo Yong CHUNG ,  Yang Hwa CHOI

IPC: G09G3/3266 ,  G09G3/3258

Abstract: A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.

公开(公告)号：US20210065631A1

公开(公告)日：2021-03-04

申请号：US16922643

申请日：2020-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM

IPC: G09G3/3266 ,  G11C19/28

Abstract: Provided are a scan driver and a display device including the same. The scan driver includes a first power line configured to supply a first voltage signal, a second power line configured to supply a second voltage signal having a lower voltage level than the first voltage signal, a pull-up transistor configured to output a corresponding clock signal, among multiple clock signals, as a scan signal in response to a logic state of a first node, a pull-down transistor configured to output the second voltage signal from the second power line as the scan signal in response to a logic state of a second node, and a first light-blocking film overlapping the pull-up transistor or the pull-down transistor, and configured to receive the second voltage signal from the second power line and the first voltage signal from the first power line.

公开(公告)号：US20200243018A1

公开(公告)日：2020-07-30

申请号：US16744009

申请日：2020-01-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Soo Yeon LEE

IPC: G09G3/3266 ,  G09G3/36

Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage. The first scan stage includes: a first transistor including a gate electrode coupled to a first Q node, one electrode coupled to a first scan clock line, and another electrode coupled to a first scan line; a second transistor including a gate electrode and one electrode, which are coupled to a first scan carry line, and another electrode coupled to the first Q node; a third transistor including a gate electrode coupled to a first control line and one electrode coupled to a first sensing carry line; a fourth transistor including a gate electrode coupled to the other electrode of the third transistor, one electrode coupled to a second control line, and another electrode coupled to a first node; a first capacitor including one electrode coupled to the one electrode of the fourth transistor and another electrode coupled to the gate electrode of the fourth transistor; a fifth transistor including a gate electrode coupled to a third control line, one electrode coupled to the first node, and another electrode coupled to the first Q node; and a sixth transistor including a gate electrode coupled to the first Q node, one electrode coupled to the second control line, and another electrode coupled to the first node.

公开(公告)号：US20200219451A1

公开(公告)日：2020-07-09

申请号：US16734981

申请日：2020-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM

IPC: G09G3/3266

Abstract: A scan driver including stages that are connected to scan lines respectively and supply scan signals to the scan lines in response to voltages of 11th and 12th nodes, and a selective drive circuit that is connected to i (i is a natural number of 2 or greater) stages and includes a first node and a second node. Each of the stages includes a first connection transistor that is connected between the first node and the 11th node and a second connection transistor that is connected between the second node and the 12th node. The first connection transistor and the second connection transistor are turned on by a second control signal to electrically connect the first node to the 11th node and the second node to the 12th node, respectively.

公开(公告)号：US20150263722A1

公开(公告)日：2015-09-17

申请号：US14334104

申请日：2014-07-17

Applicant: Samsung Display Co. Ltd.

Inventor： Jong Hee KIM ,  Hyun Joon KIM ,  Cheol Gon LEE ,  Jae Keun LIM ,  Chong Chul CHAI

IPC: H03K17/16 ,  G09G3/32 ,  H03K17/00 ,  H03K17/687

CPC classification number: H03K17/162 ,  G09G3/3266 ,  G09G2310/0286 ,  G09G2320/045 ,  H03K17/002 ,  H03K17/6871

Abstract: A gate driver includes a plurality of stages connected to each other in a cascade manner, where each of the stages includes an input unit which connects a first input terminal and a first node and includes a first input transistor and a second input transistor, where an output terminal of the first input transistor and an input terminal of the second input transistor are connected to a second node, and the input unit further includes a storage capacitor which connects the first input terminal and the second node.

Abstract translation: 栅极驱动器包括以级联方式彼此连接的多个级，其中每个级包括连接第一输入端和第一节点的输入单元，并且包括第一输入晶体管和第二输入晶体管，其中 第一输入晶体管的输出端子和第二输入晶体管的输入端子连接到第二节点，并且输入单元还包括连接第一输入端子和第二节点的存储电容器。

公开(公告)号：US20220319436A1

公开(公告)日：2022-10-06

申请号：US17699943

申请日：2022-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Soo Yeon LEE

IPC: G09G3/3266 ,  G09G3/36

Abstract: A scan driver for a display device includes a plurality of scan stage groups, each of the scan stage groups including a first scan stage and a second scan stage. The first scan stage includes: a first transistor including a gate electrode coupled to a first Q node, one electrode coupled to a first scan clock line, and another electrode coupled to a first scan line; a second transistor including a gate electrode and one electrode, which are coupled to a first scan carry line, and another electrode coupled to the first Q node; a third transistor including a gate electrode coupled to a first control line and one electrode coupled to a first sensing carry line; a fourth transistor including a gate electrode coupled to the other electrode of the third transistor, one electrode coupled to a second control line, and another electrode coupled to a first node; a first capacitor including one electrode coupled to the one electrode of the fourth transistor and another electrode coupled to the gate electrode of the fourth transistor; a fifth transistor including a gate electrode coupled to a third control line, one electrode coupled to the first node, and another electrode coupled to the first Q node; and a sixth transistor including a gate electrode coupled to the first Q node, one electrode coupled to the second control line, and another electrode coupled to the first node.

公开(公告)号：US20220148513A1

公开(公告)日：2022-05-12

申请号：US17582978

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM

IPC: G09G3/3266

Abstract: Provided are a scan driver and a display device including the same. The scan driver includes a first power line configured to supply a first voltage signal, a second power line configured to supply a second voltage signal having a lower voltage level than the first voltage signal, a pull-up transistor configured to output a corresponding clock signal, among multiple clock signals, as a scan signal in response to a logic state of a first node, a pull-down transistor configured to output the second voltage signal from the second power line as the scan signal in response to a logic state of a second node, and a first light-blocking film overlapping the pull-up transistor or the pull-down transistor, and configured to receive the second voltage signal from the second power line and the first voltage signal from the first power line.

公开(公告)号：US20220139327A1

公开(公告)日：2022-05-05

申请号：US17577301

申请日：2022-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Tak Young LEE ,  Bo Yong CHUNG ,  Yang Hwa CHOI

IPC: G09G3/3266 ,  G09G3/3258

Abstract: A scan driver including a plurality of scan stages. A first scan stage among the plurality of scan stages includes first-to-sixth transistors and a first capacitor. The first transistor is connected to a first Q node, a first scan clock line, and a first scan line. A second transistor is connected to a first scan carry line and the first Q node. A third transistor is connected to a first sensing carry line and a second sensing carry line. A fourth transistor is connected to a first control line and the third transistor. A fifth transistor is connected to the fourth transistor, a second control line, and a first node. A first capacitor is connected to the fifth transistor. A sixth transistor is connected to a third control line, the first node, and the first Q node.

公开(公告)号：US20210248959A1

公开(公告)日：2021-08-12

申请号：US17240317

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Ji Hye LEE

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A pixel includes an organic light-emitting diode (OLED), a storage capacitor, and first to fourth transistors. The first transistor includes a gate electrode (GE), a first electrode (FE), and a second electrode (SE), and is configured to control, in response to a voltage of a first node (FN) coupled to the GE, current supplied from a first power source (PS) coupled to the FE to a second PS via the OLED. The storage capacitor is coupled between the FN and the first PS. The second transistor is coupled between a data line and the first transistor. The third transistor includes a FE coupled to the FN and a SE coupled to the SE of the first transistor. The fourth transistor includes a FE coupled to the FN and a SE coupled to the SE of the first transistor, and is configured to transmit an initialization voltage to the FN.

公开(公告)号：US20210192990A1

公开(公告)日：2021-06-24

申请号：US17194872

申请日：2021-03-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hee KIM ,  Il-Joo KIM ,  Sang-Uk LIM

IPC: G09F9/33 ,  G09G3/32 ,  H01L25/075 ,  G09G3/20

Abstract: A display device includes: a first pixel including a first light emitting diode (LED) and a first capacitor including a first electrode connected to a first power source voltage providing a driving voltage to an anode of the first light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the first light emitting diode (LED); and a second pixel including a second light emitting diode (LED) and a second capacitor including a first electrode connected to the first power source voltage providing the driving voltage to an anode of the second light emitting diode (LED) or to an initialization voltage, and a second electrode connected to the anode of the second light emitting diode (LED), wherein capacitance of the second capacitor is less than capacitance of the first capacitor.