公开(公告)号：US20240258977A1

公开(公告)日：2024-08-01

申请号：US18501389

申请日：2023-11-03

Applicant: LG Display Co., Ltd.

Inventor： HongJu Lee ,  Hyunwoo Kim ,  Beom-Jin Kim

IPC: H03F3/21 ,  G09G3/3275

CPC classification number: H03F3/211 ,  G09G3/3275 ,  G09G2310/0291 ,  G09G2320/0252 ,  G09G2330/021 ,  H03F2200/366 ,  H03F2200/87

Abstract: Disclosed is an amplifier circuit comprising a first stage having first and second input terminals, a second stage configured to amplify a voltage supplied from the first stage and including a pull-up node and a pull-down node, a third stage including an output terminal, a tenth PMOS transistor, and a tenth NMOS transistors having gate electrodes respectively connected to the pull-up node and the pull-down node of the second stage, the third stage configured to perform a pull-up driving and pull-down driving of the amplified voltage, a first boosting circuit including an eleventh PMOS transistor having a gate electrode connected to the pull-up node and the first boosting circuit configured to increase a current in the first stage, and a second boosting circuit including an eleventh NMOS transistor having a gate electrode connected to the pull-down node and configured to increase the current in the first stage.

公开(公告)号：US20220406248A1

公开(公告)日：2022-12-22

申请号：US17776562

申请日：2020-09-01

Applicant: LG DISPLAY CO., LTD.

Inventor： SeongHwan Ju ,  JinYeong Kim ,  HyeonHo Son ,  Hyunwoo Kim

IPC: G09G3/32

Abstract: According to an aspect of the present disclosure, there is provided a display device including a plurality of unit pixels comprising a main pixel and a redundancy pixel which emit a same color; and a gate driver integrated in each of the plurality of unit pixels and comprising a plurality of stages, wherein each of the plurality of stages comprises a scan driving circuit for outputting a first scan signal and a second scan signal; and an emission driving circuit for outputting an emission control signal, wherein an output timing of the first scan signal supplied to the main pixel is the same as an output timing of the first scan signal supplied to the redundancy pixel, and wherein an output timing of the second scan signal supplied to the main pixel is different from an output timing of the second scan signal supplied to the redundancy pixel.

公开(公告)号：US20220147185A1

公开(公告)日：2022-05-12

申请号：US17368339

申请日：2021-07-06

Applicant: LG Display Co., Ltd.

Inventor： Hyunwoo Kim ,  Jaehun Jun ,  Sojung Jung

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/046 ,  G06F3/0354

Abstract: The present disclosure relates to a touch display device, a method of driving the touch display device, a touch driving circuit, and a touch controller, for sensing a touch using a touch driving signal whose frequency is changed in sync with a touch driving timing. According to the embodiments of the present disclosure, it is possible to have a high signal-to-noise ratio as well as improved immunity to the EMI, and acquire improved touch sensitivity.

公开(公告)号：US11316072B2

公开(公告)日：2022-04-26

申请号：US16046037

申请日：2018-07-26

Applicant: LG Display Co., Ltd.

Inventor： Hyunwoo Kim ,  Jinyeong Kim

IPC: H01L33/00 ,  H01L33/44 ,  H01L25/075 ,  H01L33/62 ,  H01L33/20 ,  H01L27/12 ,  H01L33/06 ,  H01L33/32 ,  H01L33/38 ,  H01L33/50 ,  H01L33/60

Abstract: A light-emitting device and a display including the same can improve the process stability during the process of disposing the light-emitting device. A light-emitting device includes the n-type semiconductor layer and the p-type semiconductor layer, and a structure is disposed so as to minimize electrical short between electrodes even if the light-emitting device is misaligned. The structure may have at least one side surface in an inverted taper shape and may be disposed between electrodes to minimize a short-circuit therebetween during the process of connecting the electrodes.