公开(公告)号：US20230217790A1

公开(公告)日：2023-07-06

申请号：US18083603

申请日：2022-12-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Inae CHOI ,  JongSung KIM

IPC: H10K59/80

CPC classification number: H10K59/878 ,  H10K59/805 ,  H10K2102/302

Abstract: A display device and a method for manufacturing the same capable of mitigating light loss by comprising a substrate, an overcoat layer disposed on the substrate, a first electrode disposed on the overcoat layer, a reflective layer disposed on the overcoat layer to be spaced apart from the first electrode, a bank layer disposed on the first electrode and the reflective layer to cover en edge of the first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer and contacting an end of the reflective layer.

公开(公告)号：US20210126215A1

公开(公告)日：2021-04-29

申请号：US17079187

申请日：2020-10-23

Applicant: LG Display Co., Ltd.

Inventor： TaeHan PARK ,  JongSung KIM ,  Howon CHOI ,  Dongyoung KIM

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: An electroluminescent display device is disclosed. The electroluminescent display device includes a substrate having thereon a first sub pixel and a second sub pixel, a first electrode in each of the first sub pixel and the second sub pixel on the substrate, an organic layer with P-type polarity or N-type polarity on the first electrode, and a second electrode on the organic layer. The organic layer provided in the first sub pixel and the organic layer provided in the second sub pixel are spaced apart from each other with a doping layer provided in the boundary area between the first sub pixel and the second sub pixel. The doping layer is doped with dopant whose polarity is opposite to that of the organic layer.

公开(公告)号：US20210055819A1

公开(公告)日：2021-02-25

申请号：US17094407

申请日：2020-11-10

Applicant: LG Display Co., Ltd.

Inventor： Changhwa JUN ,  JongSung KIM ,  Ho-Jin KIM ,  Jaehyung YU ,  SeungMin BAIK

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G09G3/3258 ,  H01L51/00 ,  G06F3/044

Abstract: A display device with an integrated touch screen, the display device including a first substrate, a first electrode on the first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer and an encapsulation film on the second electrode, wherein the encapsulation film includes: a first touch sensing layer with a first touch electrode and a first insulating film disposed at a first layer, an insulating film disposed on the first touch sensing layer and a second touch sensing layer with a second touch electrode and a second insulating film disposed at a second layer, wherein the second touch sensing layer is disposed on the insulating film, wherein the first insulating film is disposed between the first touch electrode and another neighboring first touch electrode, and is not disposed on the first touch electrode.

公开(公告)号：US20180166517A1

公开(公告)日：2018-06-14

申请号：US15786178

申请日：2017-10-17

Applicant: LG DISPLAY CO., LTD.

Inventor： JongSung KIM

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3246 ,  H01L27/3248 ,  H01L51/5203 ,  H01L51/5253 ,  H01L2227/323

Abstract: Disclosed are a light emitting display device and a method of manufacturing the same, which prevent a lifetime of a light emitting layer from being shortened and prevent occurrence of a turn-on defect. The light emitting display device includes a plurality of pixels each including a transistor having a gate electrode, an active layer overlapping the gate electrode, a source electrode connected to one side of the active layer, and a drain electrode connected to another side of the active layer. The pixels further include a light emitting device having a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer. The light emitting display device includes a contact hole, and the first electrodes of at least two of the pixels are positioned on and electrically connected to respective source electrodes or to respective drain electrodes in the contact hole.

公开(公告)号：US20180164933A1

公开(公告)日：2018-06-14

申请号：US15835676

申请日：2017-12-08

Applicant: LG Display Co., Ltd.

Inventor： Changhwa JUN ,  JongSung KIM ,  Ho-Jin KIM ,  Jaehyung YU ,  SeungMin BAIK

IPC: G06F3/041 ,  H01L27/32 ,  G09G3/3258 ,  H01L51/52

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04112 ,  G09G3/3258 ,  H01L27/323 ,  H01L51/0023 ,  H01L51/5203 ,  H01L51/5237 ,  H01L51/5253

Abstract: Disclosed is a display device with integrated touch screen capable of minimizing the increase of thickness caused by touch electrodes, and a method for fabricating the same, wherein the display device may include first electrode on a first substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, and an encapsulation film on the second electrode, wherein the encapsulation film includes a touch sensing layer with a first touch electrode, a second touch electrode, and a first insulating film, the first touch electrode, the second touch electrode, and the first insulating film are coplanar, and the first insulating film is disposed between the first touch electrode and the second touch electrode.

公开(公告)号：US20180061894A1

公开(公告)日：2018-03-01

申请号：US15391756

申请日：2016-12-27

Applicant: LG Display Co., Ltd.

Inventor： JongSung KIM

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/322 ,  G03F7/0007 ,  H01L27/3213 ,  H01L27/3244 ,  H01L51/5253 ,  H01L51/5268 ,  H01L51/5284 ,  H01L2227/323 ,  H01L2251/305 ,  H01L2251/308

Abstract: Disclosed are a display device and a method of manufacturing the same, which prevent a reduction in an aperture ratio and occurrence of color mixing caused by a process error of a black matrix and a color filter. The display device includes a plurality of color filters, an inorganic layer covering the plurality of color filters, and a black matrix disposed on the inorganic layer between the plurality of color filters.

公开(公告)号：US20170154930A1

公开(公告)日：2017-06-01

申请号：US15336314

申请日：2016-10-27

Applicant: LG Display Co., Ltd.

Inventor： JongSung KIM ,  JongGeun YOON ,  Goeun JUNG ,  HyungGeun KWON

IPC: H01L27/32 ,  G02B27/02 ,  G02B5/02 ,  H01L51/52 ,  G02B5/20

CPC classification number: H01L27/322 ,  G02B5/0294 ,  G02B5/201 ,  G02B27/022 ,  G09G3/3266 ,  G09G2310/08 ,  G09G2320/02 ,  H01L27/3246 ,  H01L51/5268 ,  H01L51/5284

Abstract: An organic light emitting display device that can prevent non-emission areas from being visible as lattice patterns and a head-mounted display including the organic light emitting display device are provided. The organic light emitting display device includes anode electrodes, banks that define the anode electrodes, organic light-emitting layers that are disposed on the anode electrodes, and color filters that are disposed on the organic light-emitting layers. The banks include a color changing film that changes light emitted from the organic light-emitting layer into a predetermined color and outputs the changed color light.