公开(公告)号：US20230186824A1

公开(公告)日：2023-06-15

申请号：US17944044

申请日：2022-09-13

Applicant: Samsung Display Co., LTD.

Inventor： GYUNGSOON PARK ,  SUNHWA LEE ,  JAEYONG JANG

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/0267 ,  G09G2310/0275

Abstract: A scan driver includes stages including an input block to change a first node voltage to a gate on voltage based on an input signal, a second node control block to control second node voltage based on a first clock signal and the first node voltage, a scan output block to output a second clock signal as a scan signal based on the first node voltage, and to output a first gate off voltage as the scan signal based on the second node voltage, a carry output block to output the second clock signal as a carry signal based on the first node voltage, and to output a second gate off voltage different from the first gate off voltage as the carry signal based on the second node voltage, and a first node control block to transfer the carry signal to the first node based on a next carry signal.

公开(公告)号：US20220319440A1

公开(公告)日：2022-10-06

申请号：US17547331

申请日：2021-12-10

Applicant: Samsung Display Co., Ltd.

Inventor： SUNHWA LEE ,  GYUNGSOON PARK ,  JAEYONG JANG

IPC: G09G3/3275 ,  G09G3/3266

Abstract: A display device may include a display panel, a data driving circuit, and a scan driving circuit which outputs first scan signals and second scan signals. The scan driving circuit includes a plurality of stages. Each of the stages may include a masking circuit outputting a first scan signal to a first output terminal, a driving circuit outputting a second scan signal to a second output terminal, and an auxiliary circuit including an auxiliary transistor which is a normally closed and connected between the masking circuit and the driving circuit.

公开(公告)号：US20240237403A9

公开(公告)日：2024-07-11

申请号：US18227610

申请日：2023-07-28

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Bon-Yong KOO ,  DANWON LIM ,  JAEYONG JANG

IPC: H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A light emitting display device includes: a driving transistor including a driving gate electrode, and first and second electrodes; a storage capacitor including first and second storage electrodes; a second transistor including electrodes connected to a data line and the second storage electrode, respectively; a third transistor including electrodes connected to the second electrode of the driving transistor and the driving gate electrode, respectively; a hold capacitor including first and second hold electrodes connected to a first driving voltage line and the second storage electrode, respectively; and a ninth transistor including electrodes connected to the first driving voltage line and the first electrode of the driving transistor, respectively. The second storage and hold electrodes are integrally formed, the driving gate electrode and the first storage electrode are integrally formed, and the driving gate electrode, the second storage electrode, and the first hold electrode overlap each other.

公开(公告)号：US20230413625A1

公开(公告)日：2023-12-21

申请号：US18313805

申请日：2023-05-08

Applicant: Samsung Display Co., LTD.

Inventor： Bon-Yong KOO ,  SUJIN LEE ,  DANWON LIM ,  JAEYONG JANG

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: One or more embodiments of the present disclosure provides a display device in cluding: a substrate configured to include a display area including pixels and signal line s, and a peripheral area positioned around the display area; a semiconductor layer on t he substrate; a first conductive layer between the semiconductor layer and the substrat e; a second conductive layer positioned between the first conductive layer and the sem iconductor layer; a gate conductive layer on the semiconductor layer; and a third condu ctive layer on the gate conductive layer, wherein the peripheral area includes a fan-out portion in which fan-out wires connected to the signal lines are positioned, and the fan-out wires include a first fan-out wire, a second fan-out wire, and a third fan-out wire whi ch are alternately positioned in different ones among the first conductive layer, the sec and conductive layer, and the gate conductive layer.

公开(公告)号：US20230095094A1

公开(公告)日：2023-03-30

申请号：US17695713

申请日：2022-03-15

Applicant: Samsung Display Co., LTD.

Inventor： BON-YONG KOO ,  SUJIN LEE ,  JAEYONG JANG

IPC: G09G3/32

Abstract: A display substrate includes: a pixel circuit including: a switching transistor connected between a first terminal of a compensation capacitor and a data line; and a pixel transistor connected between a second terminal of the compensation capacitor and a first voltage line, the pixel transistor to receive a test voltage; and a test transistor including: a test gate terminal to receive a test signal; a test source terminal electrically connected to the first voltage line; and a test drain terminal electrically connected to the data line.

公开(公告)号：US20240282240A1

公开(公告)日：2024-08-22

申请号：US18391087

申请日：2023-12-20

Applicant: Samsung Display Co., LTD.

Inventor： DANWON LIM ,  HYUNJOON KIM ,  JAEYONG JANG ,  BON-YONG KOO

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2096 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A display panel includes: sub-pixels each including a storage capacitor configured to have a data voltage written thereto; a capacitor node line connected to the storage capacitor of at least one of the sub-pixels; a compensation reference voltage line configured to receive a compensation reference voltage; a first power supply voltage line configured to receive a first power supply voltage; a first connection transistor configured to connect the compensation reference voltage line to the capacitor node line based on an emission signal; and a second connection transistor configured to connect the first power supply voltage line to the capacitor node line based on the emission signal.

公开(公告)号：US20240138188A1

公开(公告)日：2024-04-25

申请号：US18227610

申请日：2023-07-27

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Bon-Yong KOO ,  DANWON LIM ,  JAEYONG JANG

IPC: H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A light emitting display device includes: a driving transistor including a driving gate electrode, and first and second electrodes; a storage capacitor including first and second storage electrodes; a second transistor including electrodes connected to a data line and the second storage electrode, respectively; a third transistor including electrodes connected to the second electrode of the driving transistor and the driving gate electrode, respectively; a hold capacitor including first and second hold electrodes connected to a first driving voltage line and the second storage electrode, respectively; and a ninth transistor including electrodes connected to the first driving voltage line and the first electrode of the driving transistor, respectively. The second storage and hold electrodes are integrally formed, the driving gate electrode and the first storage electrode are integrally formed, and the driving gate electrode, the second storage electrode, and the first hold electrode overlap each other.

公开(公告)号：US20230298515A1

公开(公告)日：2023-09-21

申请号：US18324950

申请日：2023-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： BON-YONG KOO ,  SUJIN LEE ,  JAEYONG JANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0214

Abstract: A display substrate includes: a pixel circuit including: a switching transistor connected between a first terminal of a compensation capacitor and a data line; and a pixel transistor connected between a second terminal of the compensation capacitor and a first voltage line, the pixel transistor to receive a test voltage; and a test transistor including: a test gate terminal to receive a test signal; a test source terminal electrically connected to the first voltage line; and a test drain terminal electrically connected to the data line.

公开(公告)号：US20230177999A1

公开(公告)日：2023-06-08

申请号：US17894311

申请日：2022-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： GYUNGSOON PARK ,  SUNHWA LEE ,  JAEYONG JANG

IPC: G09G3/20 ,  G09G3/3233

CPC classification number: G09G3/2096 ,  G09G3/3233 ,  G09G2310/08 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2330/021 ,  G09G2320/0233

Abstract: An emission driver includes a plurality of stages. Each stage includes an input block that transfers an input signal to a control node, a control block that controls an inverted control node and applies a third low gate voltage to the inverted control node in response to a voltage of the control node, an emission signal output block that outputs a high gate voltage as an emission signal in response to the voltage of the control node and outputs a first low gate voltage as the emission signal in response to a voltage of the inverted control node, and a carry signal output block that outputs the high gate voltage as a carry signal in response to the voltage of the control node and outputs a second low gate voltage different from the first low gate voltage as the carry signal in response to the voltage of the inverted control node. The third low gate voltage is different from the first low gate voltage and the second low gate voltage.

公开(公告)号：US20220109030A1

公开(公告)日：2022-04-07

申请号：US17444276

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： JAEYONG JANG ,  GYUNGSOON PARK ,  SUNHWA LEE

IPC: H01L27/32

Abstract: A display device includes: a substrate including a first display area, a second display area, and a third display area which are arranged along a row direction; a first pixel row on the substrate, extending in the row direction, and including first pixel circuit portions overlapping the second and third display areas; a second pixel row extending in the row direction and including second pixel circuit portions overlapping the second display area; display elements overlapping the first display area; and bridge lines adjacent to the second pixel circuit row, overlapping the second display area, and connecting the first pixel circuit portions and the display elements.