公开(公告)号：US20240249682A1

公开(公告)日：2024-07-25

申请号：US18422053

申请日：2024-01-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghun YOON

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0847 ,  G09G2330/021

Abstract: A display apparatus includes a driving transistor including a gate electrode, and a first electrode for receiving a high-potential driving voltage and a second electrode for providing a driving current to a light emitting element, a first transistor including a gate electrode to which a light emitting control signal is applied, a first electrode connected to the second electrode of the driving transistor, and a second electrode connected to an anode electrode of the light emitting element, a second transistor including a gate electrode to which the light emitting control signal or a scanning signal is applied, and a first electrode for receiving an initialization voltage and a second electrode, and a compensation transistor including a gate electrode to which a compensation scan signal is applied, a first electrode connected to the second electrode of the second transistor, and a second electrode connected to the anode electrode of the light emitting element, and when the compensation scan signal at a low level is applied, the compensation transistor is turned on.

公开(公告)号：US20220165210A1

公开(公告)日：2022-05-26

申请号：US17526683

申请日：2021-11-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghun YOON ,  Jaehyun YOU

IPC: G09G3/32

Abstract: In a display device and driving method thereof, a display device includes: a display panel including a pixel, the pixel including a light-emitting device (LED), the pixel receiving a data signal (DS) corresponding to a gate signal, the LED emitting light by a driving current flowing from a first power voltage to a second power voltage in response to the DS, the pixel receiving a reset voltage at least once after receiving one DS and before receiving a next DS, a data driver circuit supplying the DS to the pixel through a data line, a gate driver circuit for: supplying the gate signal to the pixel through a gate line, and outputting a light emission control signal for controlling supply of one of the reset voltage and the first power voltage to the LED, and a timing controller controlling the data driver circuit and the gate driver circuit.

公开(公告)号：US20240153464A1

公开(公告)日：2024-05-09

申请号：US18412332

申请日：2024-01-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghun YOON ,  Kyeongtaek Min

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/08

Abstract: Disclosed are a display apparatus capable of changing a refresh period to improve response characteristics under a low-speed operation mode, and a method for operating the apparatus. The display apparatus includes a display panel; and a panel driving circuit configured to drive the display panel, wherein in a low-speed operation mode, the apparatus is configured to control the panel driving circuit to: perform multiple refreshes during an initial period of the first frame; and, after the multiple refreshes, change a refresh period and perform refreshes based on the changed refresh period.

公开(公告)号：US20230197013A1

公开(公告)日：2023-06-22

申请号：US17970441

申请日：2022-10-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Sanghun YOON ,  Kyeongtaek MIN

IPC: G09G3/3275 ,  G09G3/3266

CPC classification number: G09G3/3275 ,  G09G3/3266 ,  G09G2310/08

Abstract: Disclosed are a display apparatus capable of changing a refresh period to improve response characteristics under a low-speed operation mode, and a method for operating the apparatus. The display apparatus includes a display panel; and a panel driving circuit configured to drive the display panel, wherein in a low-speed operation mode, the apparatus is configured to control the panel driving circuit to: perform multiple refreshes during an initial period of the first frame; and, after the multiple refreshes, change a refresh period and perform refreshes based on the changed refresh period.

公开(公告)号：US20240312400A1

公开(公告)日：2024-09-19

申请号：US18676089

申请日：2024-05-28

Applicant: LG Display Co., Ltd.

Inventor： Sanghun YOON ,  Jaehyun YOU

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0275 ,  G09G2310/08

Abstract: In a display device and driving method thereof, a display device includes: a display panel including a pixel, the pixel including a light-emitting device (LED), the pixel receiving a data signal (DS) corresponding to a gate signal, the LED emitting light by a driving current flowing from a first power voltage to a second power voltage in response to the DS, the pixel receiving a reset voltage at least once after receiving one DS and before receiving a next DS, a data driver circuit supplying the DS to the pixel through a data line, a gate driver circuit for: supplying the gate signal to the pixel through a gate line, and outputting a light emission control signal for controlling supply of one of the reset voltage and the first power voltage to the LED, and a timing controller controlling the data driver circuit and the gate driver circuit.

公开(公告)号：US20230377511A1

公开(公告)日：2023-11-23

申请号：US18227948

申请日：2023-07-30

Applicant: LG Display Co., Ltd.

Inventor： Sanghun YOON ,  Jaehyun YOU

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2310/0275

Abstract: In a display device and driving method thereof, a display device includes: a display panel including a pixel, the pixel including a light-emitting device (LED), the pixel receiving a data signal (DS) corresponding to a gate signal, the LED emitting light by a driving current flowing from a first power voltage to a second power voltage in response to the DS, the pixel receiving a reset voltage at least once after receiving one DS and before receiving a next DS, a data driver circuit supplying the DS to the pixel through a data line, a gate driver circuit for: supplying the gate signal to the pixel through a gate line, and outputting a light emission control signal for controlling supply of one of the reset voltage and the first power voltage to the LED, and a timing controller controlling the data driver circuit and the gate driver circuit.