公开(公告)号：US20230343843A1

公开(公告)日：2023-10-26

申请号：US18218491

申请日：2023-07-05

Applicant: LG Display Co., Ltd.

Inventor： Jaemin KIM ,  Subin PARK ,  Bonghwan KIM ,  Won-Seok SONG

IPC: H01L29/417 ,  H01L29/08 ,  H01L21/768 ,  H01L23/522 ,  H01L29/78

CPC classification number: H01L29/41791 ,  H01L29/0847 ,  H01L21/76877 ,  H01L23/5226 ,  H01L29/785

Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.

公开(公告)号：US20230079102A1

公开(公告)日：2023-03-16

申请号：US17728676

申请日：2022-04-25

Applicant: LG Display Co., Ltd.

Inventor： Jaemin KIM ,  Subin PARK ,  Bonghwan KIM ,  Won-Seok SONG

IPC: G09G3/3291

Abstract: Embodiments of the present disclosure relate to a display device, comprising: a display panel including a light emitting element, a driving transistor configured to provide a driving current to the light emitting element, and a plurality of switching transistors configured to control an operation of the driving transistor; a gate driving circuit configured to supply a plurality of scan signals to the display panel; a data driving circuit configured to supply a plurality of data voltages to the display panel; and a timing controller configured to control the gate driving circuit and the data driving circuit, wherein a bias voltage is supplied to the driving transistor in a first period in which the data voltage is supplied to the display panel at a low speed mode which the display panel is driven at a low speed driving frequency.

公开(公告)号：US20210201738A1

公开(公告)日：2021-07-01

申请号：US17121386

申请日：2020-12-14

Applicant: LG Display Co., Ltd.

Inventor： Won-Seok SONG ,  Su-Bin PARK ,  Sung-Chang PARK ,  Kyeong-Min MOON

IPC: G09G3/20 ,  G09G5/10

Abstract: The present disclosure relates to a display device and a method of driving the same, and more specifically, to a display device for preventing a user from recognizing a change in luminance when a frame frequency is changed, and a method of driving the same. A display device of the present disclosure includes a display panel including a plurality of pixel regions, a gate driver configured to sequentially supply light emission control signals to horizontal lines of the display panel, a data driver configured to supply a data signal corrected by a source voltage to the display panel, and a dimming controller configured to control whether to gradually change a frame frequency and gamma correction data according to a duty ratio of the light emission control signal.