公开(公告)号：US20250104632A1

公开(公告)日：2025-03-27

申请号：US18890456

申请日：2024-09-19

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  JIHOON YANG ,  MIN KANG

IPC: G09G3/3233 ,  G09G3/32

Abstract: A pixel circuit includes a light emitting element including an anode electrode and a cathode electrode, a driving transistor including a gate electrode connected to a first node, a first electrode connected to a second node, and a second electrode connected to a third node, a data write transistor including a gate electrode, a first electrode, and a second electrode connected to the second node, a compensation transistor including a gate electrode, a first electrode connected to the third node, and a second electrode connected to the first node, an initialization transistor including a gate electrode, a first electrode, and a second electrode connected to the first node, a first light emission control transistor including a gate electrode, a first electrode, and a second electrode connected to the second node, and a storage capacitor including a first electrode and a second electrode connected to the first node.

公开(公告)号：US20250104613A1

公开(公告)日：2025-03-27

申请号：US18887359

申请日：2024-09-17

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  MIN KANG

IPC: G09G3/32 ,  G09G3/3233

Abstract: A pixel includes a first transistor including a gate electrode connected to a first node and connected between a second node and a third node, a second transistor including a gate electrode receiving a first power voltage, a first electrode receiving a second power voltage, and a second electrode connected to the third node, a third transistor including a gate electrode receiving a gate signal and connected between a data line and the first node, a fourth transistor including a gate electrode receiving a first emission signal and connected between the gate electrode of the second transistor and the second node, a fifth transistor including a gate electrode receiving a second emission signal and a first electrode connected to the third node, and a light emitting element including an anode electrode connected to the second electrode of the fifth transistor and a cathode electrode receiving a third power voltage.

公开(公告)号：US20250104631A1

公开(公告)日：2025-03-27

申请号：US18887434

申请日：2024-09-17

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  MIN KANG

IPC: G09G3/3233

Abstract: A pixel circuit includes a light-emitting element, a first transistor which applies a first power supply voltage to a second node in response to a voltage of a first node, a second transistor which applies a voltage of the second node to the first node in response to a control signal, a third transistor which applies the voltage of the second node to the light-emitting element in response to the control signal and a first capacitor connected to the first node. The first power supply voltage has a first voltage level, a second voltage level lower than the first voltage level or a data voltage.

公开(公告)号：US20250104630A1

公开(公告)日：2025-03-27

申请号：US18826723

申请日：2024-09-06

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  MIN KANG

IPC: G09G3/3233 ,  G09G3/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes a capacitor connected between a first power supply voltage line and a first node, a first transistor including a gate connected to the first node, a first terminal connected to a second node, and a second terminal connected to a third node, a second transistor including a gate receiving a scan signal, a first terminal connected to a data line, and a second terminal connected to the second node, a third transistor including a gate receiving the scan signal, a first terminal connected to the third node, and a second terminal connected to the first node, a fourth transistor including a gate connected to the second node, a first terminal connected to an initialization voltage line, and a second terminal connected to the first node, and a light emitting element connected to the third node and a second power supply voltage line.

公开(公告)号：US20250104612A1

公开(公告)日：2025-03-27

申请号：US18886849

申请日：2024-09-16

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  MIN KANG

IPC: G09G3/32 ,  G09G3/3233

Abstract: A pixel circuit includes a light emitting element including an anode electrode and a cathode electrode configured to receive a second power voltage, a driving transistor including a gate electrode connected to a first node, a first electrode connected to a second node, and a second electrode connected to a third node, a compensation transistor including a gate electrode configured to receive a compensation gate signal, a first electrode configured to receive a ground voltage, and a second electrode connected to the third node, a data write transistor including a gate electrode configured to receive a data write gate signal, a first electrode connected to a data line, and a second electrode connected to the first node, a first light emission control transistor, a first electrode configured to receive a first power voltage, and a second electrode connected to the second node, a storage capacitor, and a hold capacitor.

公开(公告)号：US20250104610A1

公开(公告)日：2025-03-27

申请号：US18827138

申请日：2024-09-06

Applicant: Samsung Display Co., LTD.

Inventor： KEUK-JIN JEONG ,  WONGYUN KIM ,  MIN KANG

IPC: G09G3/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel includes a capacitor between a line transferring a first power supply voltage and a first node, a first transistor including a gate connected to the first node, a first terminal connected to a second node, and a second terminal connected to a third node, a second transistor including a gate receiving a scan signal, and a terminal connected to the second node, a third transistor including a gate receiving the scan signal, a first terminal connected to the third node, and a second terminal connected to the first node, a fourth transistor including a gate connected to the second node, and a terminal connected to the first node, a fifth transistor including a gate receiving the scan signal, a first terminal connected to the line, a sixth transistor including a terminal connected to the third node, and a light-emitting element connected to the terminal of the sixth transistor.