公开(公告)号：US20240224606A1

公开(公告)日：2024-07-04

申请号：US18480877

申请日：2023-10-04

Applicant: LG Display Co., Ltd.

Inventor： KyungEon LEE ,  Sungman HAN

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80516

Abstract: A display panel and a display device configured to enhance color gamut is provided. A display device includes an auxiliary layer on at least one of the first to third anode electrodes and extending to a portion of an upper surface of an overcoat layer. The device includes a bank on the auxiliary layer and the first to third anode electrodes and including an opening exposing a portion of an upper surface of each of the first to third anode electrodes. The device includes a cathode electrode disposed on the organic layer. The overcoat layer includes a stepped portion in an area where the bank does not overlap at least one of the first to third anode electrodes and the auxiliary layer and the upper surface of the overcoat layer and a rear surface of the bank are spaced apart from each other.

公开(公告)号：US20200328258A1

公开(公告)日：2020-10-15

申请号：US16911252

申请日：2020-06-24

Applicant: LG Display Co., Ltd.

Inventor： EunJi PARK ,  Sungman HAN ,  Kihyung LEE

IPC: H01L27/32

Abstract: Disclosed is an electroluminescent display device comprising a substrate, a circuit device layer including a signal line on the substrate, a bank defining a first emission area and a second emission area on the circuit device layer, and a first emission layer in the first emission area, and a second emission layer in the second emission area, wherein the first emission area is overlapped with the signal line, and a width of the first emission area is the same as or less than a width of the signal line.

公开(公告)号：US20190206949A1

公开(公告)日：2019-07-04

申请号：US16224522

申请日：2018-12-18

Applicant: LG Display Co., Ltd.

Inventor： EunJi PARK ,  Sungman HAN ,  Kihyung LEE

IPC: H01L27/32

Abstract: Disclosed is an electroluminescent display device comprising a substrate, a circuit device layer including a signal line on the substrate, a bank defining a first emission area and a second emission area on the circuit device layer, and a first emission layer in the first emission area, and a second emission layer in the second emission area, wherein the first emission area is overlapped with the signal line, and a width of the first emission area is the same as or less than a width of the signal line.

公开(公告)号：US20180151649A1

公开(公告)日：2018-05-31

申请号：US15815909

申请日：2017-11-17

Applicant: LG Display Co., Ltd.

Inventor： Sungman HAN ,  Eunji PARK ,  Kihyung LEE

IPC: H01L27/32 ,  H01L51/50

Abstract: The present disclosure relates to an ultra high density transparent flat panel display. The present disclosure provides a transparent flat panel display including: a driving current line, a data line and a sensing line running in a vertical direction on a substrate; a scan line and a horizontal sensing line running in a horizontal direction on the substrate; an emission area disposed between the driving current line and the data line; and a transparent area disposed between the data line and the sensing line.

公开(公告)号：US20230217747A1

公开(公告)日：2023-07-06

申请号：US17981355

申请日：2022-11-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungman HAN ,  Dojin KIM ,  Seongkwang KIM

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  H01L27/3272

Abstract: A display panel for a display device includes a substrate, a light blocking layer disposed over the substrate, a signal line disposed over the substrate, overlapping with a portion of the light blocking layer, and having at least one branched portion, at least one protection pattern overlapping with a portion of the branched portion of the signal line, a pixel electrode disposed over the protection pattern, a light emitting layer disposed over the pixel electrode, and a common electrode disposed over the light emitting layer, wherein the branched portion of the signal line includes an area not overlapping with the light blocking layer, and wherein in the area not overlapping with the light blocking layer, the branched portion overlaps with the protection pattern, thereby preventing damage to the electrodes of the light emitting element due to a laser beam during the repair of the signal line.

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