公开(公告)号：US09767752B2

公开(公告)日：2017-09-19

申请号：US15098078

申请日：2016-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Kangnam Kim ,  Duc-han Cho ,  Youmee Hyun

IPC: G09G3/36 ,  G11C19/28 ,  G11C19/18

CPC classification number: G09G3/3677 ,  G09G2310/0286 ,  G11C19/184 ,  G11C19/28

Abstract: An n-th driving stage of a gate driving circuit includes a first control transistor being configured to increase a voltage of a first node to a first voltage, a control capacitor having one end connected to the first node, a second control transistor being configured to increase the first voltage of the first node to a second voltage that is higher than the first voltage, a third control transistor being configured to increase a voltage of a second node to a third voltage when being turned on according to the voltage applied to the first node, and an output transistor being configured to output a gate signal of the n-th driving stage when being turned on according to the voltage applied to the second node.

公开(公告)号：US10347208B2

公开(公告)日：2019-07-09

申请号：US15445025

申请日：2017-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Noboru Takeuchi ,  Jonghwan Lee ,  Kangnam Kim ,  Beomjun Kim ,  Hongwoo Lee ,  Youmee Hyun

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1343 ,  G02F1/1335

Abstract: A display device with space for accommodating elements of a gate driver in a display area of the display device, the display device including first and second adjacent pixel electrodes, and third and fourth adjacent pixel electrodes; a gate line extending between the first pixel electrode and the second pixel electrode and between the third pixel electrode and the fourth pixel electrode; a gate driver having a plurality of elements and configured to drive the gate line; and a light blocking layer overlapping the gate line, wherein the light blocking layer comprises a first light blocking portion and a second light blocking portion, the first light blocking portion is adjacent to the first pixel electrode and the second pixel electrode, the second light blocking portion is adjacent to the third pixel electrode and the fourth pixel electrode, the second light blocking portion having a larger size than a size of the first light blocking portion, and at least one of the plurality of elements of the gate driver overlaps the second light blocking portion.