公开(公告)号：US20230200181A1

公开(公告)日：2023-06-22

申请号：US17977911

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： JaeHee PARK ,  Kihyung LEE

IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  H01L27/12

CPC classification number: H01L27/323 ,  G06F3/0446 ,  H01L27/3276 ,  G06F3/0418 ,  H01L27/3262 ,  H01L27/124 ,  G06F2203/04111

Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may detect a defective touch sensor in a touch block. The device includes transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other, a plurality of touch lines provided in the non-transmissive area, and a plurality of touch blocks respectively connected to the plurality of touch lines. Each touch block includes a plurality of touch sensors disposed in the transmissive areas and comprised of M number of rows and N number of columns, a plurality of sensing lines disposed to correspond to the N number of columns, and a plurality of sensing transistors respectively connected to the plurality of touch sensors, transferring a voltage of the connected touch sensor to one of the plurality of sensing lines.

公开(公告)号：US20230169921A1

公开(公告)日：2023-06-01

申请号：US17988803

申请日：2022-11-17

Applicant: LG DISPLAY CO., LTD.

Inventor： Seongkwang KIM ,  Sungman HAN ,  Kihyung LEE

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0809

Abstract: A display device includes a first driving transistor of a first subpixel, a second driving transistor of a second subpixel, a first shield metal, a second shield metal, a buffer layer, and an interlayer insulating film; a first source electrode included in the first driving transistor is positioned on or over the interlayer insulating film and electrically connected to the first shield metal through first holes in the interlayer insulating film and the buffer layer; a second source electrode included in the second driving transistor is positioned on or over the interlayer insulating film and electrically connected to the second shield metal through second holes in the interlayer insulating film and the buffer layer; a welding repair line is positioned between the buffer layer and the interlayer insulating film to overlap with at least a part of the first shield metal and be electrically connected to the second source electrode through a hole in the interlayer insulating film.

公开(公告)号：US20190189717A1

公开(公告)日：2019-06-20

申请号：US16216282

申请日：2018-12-11

Applicant: LG DISPLAY CO., LTD.

Inventor： Kwangyong CHOI ,  Kihyung LEE ,  Sungman HAN

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

CPC classification number: H01L27/3258 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0819 ,  G09G2310/0289 ,  G09G2310/08 ,  H01L27/322 ,  H01L27/3246 ,  H01L27/3272 ,  H01L51/5212 ,  H01L51/5228 ,  H01L51/5253 ,  H01L51/5284 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/558

Abstract: A display device including a substrate including an emitting region and a non-emitting region; an auxiliary electrode disposed in the non-emitting region; a first passivation film covering the emitting region and the auxiliary electrode in the non-emitting region and including a first passivation hole exposing the auxiliary electrode; an overcoat layer disposed on the first passivation film and includes an over-hole exposing the auxiliary electrode; a first barrier layer disposed on the first passivation film and the overcoat layer and contacting the auxiliary electrode; a second passivation film disposed on the first barrier layer and including a second passivation hole exposing the first barrier layer; a bank layer disposed on the second passivation film and including a bank hole exposing the first barrier layer and having an undercut structure; an organic layer disposed on the bank layer and disconnected by the undercut structure; and a second electrode disposed on the organic layer and contacting the first barrier layer via the bank hole of the bank layer.

公开(公告)号：US20180182287A1

公开(公告)日：2018-06-28

申请号：US15823383

申请日：2017-11-27

Applicant: LG Display Co., Ltd.

Inventor： Eunji PARK ,  Bumsik KIM ,  Sungman HAN ,  Kihyung LEE

IPC: G09G3/3233 ,  H01L51/52

CPC classification number: G09G3/3233 ,  G09G3/3258 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0264 ,  G09G2310/067 ,  G09G2320/0233 ,  G09G2320/045 ,  H01L51/5206

Abstract: An electroluminescent display and a method of driving the same are disclosed. The electroluminescent display includes a driving transistor configured to generate a driving current depending on a gate-source voltage, a storage capacitor configured to store a data voltage and provide the stored data voltage to a gate electrode of the driving transistor, a first switching transistor configured to control a gate potential of the driving transistor, a second switching transistor configured to control a source potential of the driving transistor, a light emitting diode configured to emit light in response to the driving current generated from the driving transistor, and a third switching transistor configured to electrically float a source electrode of the driving transistor and an anode electrode of the light emitting diode when one of the first and second switching transistors is turned off