公开(公告)号：US11978397B2

公开(公告)日：2024-05-07

申请号：US17752140

申请日：2022-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jungdeok Seo ,  Yunseong Kim ,  Sumin Lee

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0842 ,  G09G2320/0219 ,  G09G2320/0233 ,  G09G2320/045

Abstract: A display device includes a display panel including a plurality of pixels which display an image, a panel driver which generates a driving voltage based on a plurality of feedback voltages sensed from the display panel to drive the display panel, and a plurality of sensing lines which are connected to the pixels to sense the feedback voltages, respectively, and apply the sensed feedback voltages to the panel driver. The panel driver generates an average feedback voltage corresponding to an average of the feedback voltages and generates the driving voltage based on the average feedback voltage.

公开(公告)号：US10923061B2

公开(公告)日：2021-02-16

申请号：US16393018

申请日：2019-04-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeonseok Bae ,  Haengwon Park ,  Jungdeok Seo

IPC: G09G3/36 ,  G11C19/28

Abstract: A gate driving circuit includes a charge part which charges a charge node with a clock signal having a first high voltage for a first period, an output part which charges an output node with the first high voltage in response to a first voltage of the charge node for the first period, and outputs a second voltage of the output node as a gate signal, a first discharge part which discharges the second voltage to a first off voltage in response to a clock bar signal having a second high voltage for a second period following the first period, and a second discharge part which discharges the first voltage to the second off voltage for the second period. The second off voltage is set to one of a first level lower than a level of the first off voltage and a second level lower than the first level.