公开(公告)号：US12230206B2

公开(公告)日：2025-02-18

申请号：US18486864

申请日：2023-10-13

Applicant: LG Display Co., Ltd.

Inventor： Do Young Jung ,  Byeong Seong So

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel circuit according to an embodiment and a display device including the same are disclosed. The pixel circuit includes a driving element including a driving element including a first electrode connected to a pixel driving voltage line, a gate electrode connected to a first node, and a second electrode connected to a second node, a first switch element configured to supply a data voltage to the first node in response to a first gate signal, a second switch element configured to supply an initialization voltage to the first node in response to a second gate signal, a third switch element configured to supply a reference voltage to a third node in response to a third gate signal, a fourth switch element configured to connect the second node and the third node in response to a fourth gate signal, a first capacitor connected between the first node and the second node, a second capacitor connected between the pixel driving voltage line and the second node, a third capacitor connected between a gate electrode of the second switch element and the second node and a light-emitting element connected between the third node and a low-potential power voltage line.

公开(公告)号：US20240257745A1

公开(公告)日：2024-08-01

申请号：US18487831

申请日：2023-10-16

Applicant: LG Display co., Ltd.

Inventor： Do Young Jung ,  Byeong Seong So

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2310/0262 ,  G09G2310/08 ,  G09G2320/0252 ,  G09G2320/045 ,  G09G2330/021 ,  G09G2330/12

Abstract: A sensing circuit and a display device including the same. The sensing circuit includes: a data driver configured to supply data voltage, which is increased stepwise, to the data line during a sensing time; a gate driver configured to supply gate signals to the gate lines during the sensing time; and an analog-to-digital converter configured to convert a sensing voltage on the sensing line into digital data during the sensing time.

公开(公告)号：US12159587B2

公开(公告)日：2024-12-03

申请号：US18487831

申请日：2023-10-16

Applicant: LG Display Co., Ltd.

Inventor： Do Young Jung ,  Byeong Seong So

IPC: G09G3/3233

Abstract: A sensing circuit and a display device including the same. The sensing circuit includes: a data driver configured to supply data voltage, which is increased stepwise, to the data line during a sensing time; a gate driver configured to supply gate signals to the gate lines during the sensing time; and an analog-to-digital converter configured to convert a sensing voltage on the sensing line into digital data during the sensing time.