公开(公告)号：US20250014509A1

公开(公告)日：2025-01-09

申请号：US18754149

申请日：2024-06-26

Applicant: Samsung Display Co., Ltd.

Inventor： JIYOUNG LEE ,  SOHAE KIM ,  Jisong Chae ,  SANG-GU LEE ,  YONGWOO LEE ,  HYUNG UK CHO ,  HYUNYOUNG CHOI

IPC: G09G3/32

Abstract: A pixel circuit includes a first transistor including a control electrode connected to a second node, a first electrode receiving a first power supply voltage, and a second electrode connected to a third node, a second transistor including a control electrode receiving a write signal, a first electrode connected to a data line, and a second electrode connected to a first node, a third transistor including a control electrode receiving a compensation signal, a first electrode connected to the second node, and a second electrode connected to the third node, a fourth transistor including a control electrode receiving an initialization signal, a first electrode receiving an initialization voltage, and a second electrode connected to a fourth node, a fifth transistor including a control electrode connected to the first node, a first electrode connected to the third node, and a second electrode connected to the fourth node, and a light emit element including a first electrode connected to the fourth node.

公开(公告)号：US20250087156A1

公开(公告)日：2025-03-13

申请号：US18776356

申请日：2024-07-18

Applicant: Samsung Display Co., LTD.

Inventor： Jiyoung Lee ,  Sohae Kim ,  Jisong Chae ,  Sanggu Lee ,  Yongwoo Lee ,  Hyunguk Cho ,  Hyunyoung Choi

IPC: G09G3/3233

Abstract: A pixel includes a first transistor configured to output, to an output terminal, a driving current corresponding to an amplitude of a data voltage, a second transistor connected between a gate of the first transistor and a data line, a third transistor connected between the first transistor and the second transistor, a fourth transistor connected between the first transistor and a driving voltage line, a light-emitting diode connected to the first transistor, a first capacitor connected between the gate of the first transistor and the third transistor, and a second capacitor connected between the third transistor and the driving voltage line.