公开(公告)号：US20200044177A1

公开(公告)日：2020-02-06

申请号：US16519403

申请日：2019-07-23

申请人： LG Display Co., Ltd.

发明人： Ho-Jin KIM ,  SeungMin BAIK ,  JiYeon PARK ,  Sul LEE ,  Sukhyeun JANG

IPC分类号： H01L51/50 ,  H01L27/32

摘要： An electroluminescent display device includes: an electroluminescent display device, including: a substrate including: a first subpixel, and a second subpixel, a respective first electrode in each of the first subpixel and the second subpixel on the substrate, a trench in a boundary between the first subpixel and the second subpixel on the substrate, an emission layer on the first electrode, and in the first subpixel, the second subpixel, and the boundary between the first subpixel and the second subpixel, at least some of the emission layer being noncontiguous in the trench, a pore below the emission layer inside the trench, an upper end of the pore being relatively higher than at least some of the emission layer, and a second electrode on the emission layer.

公开(公告)号：US20200043986A1

公开(公告)日：2020-02-06

申请号：US16526035

申请日：2019-07-30

申请人： LG Display Co., Ltd.

发明人： Ho-Jin KIM ,  Gyungmin KIM ,  Sul LEE

IPC分类号： H01L27/32 ,  H01L51/52

摘要： An electroluminescent display apparatus includes: a substrate including: first to third subpixels, a circuit device layer including a driving thin-film transistor respectively in each of the first to third subpixels on the substrate, a first electrode respectively in each of the first to third subpixels, a light-emitting layer on the first electrodes, and a second electrode on the light-emitting layer, wherein the first electrode of the first subpixel includes: a first lower electrode, and a first upper electrode, wherein the first electrode of the second subpixel includes: a second lower electrode, and a second upper electrode, wherein a distance between the first lower electrode and the first upper electrode differs from a distance between the second lower electrode and the second upper electrode, and wherein the first lower electrode and the first upper electrode are electrically connected to each other through a first contact electrode therebetween.

公开(公告)号：US20210125561A1

公开(公告)日：2021-04-29

申请号：US17082796

申请日：2020-10-28

申请人： LG Display Co., Ltd.

发明人： JeongHyeon CHOI ,  Sul LEE ,  Eunil CHO

IPC分类号： G09G3/3258 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/20 ,  H01L27/32 ,  H01L51/52

摘要： A light emitting display panel having a high resolution is provided. The light emitting display panel includes a plurality of pixels. Each of the plurality of pixels includes a first pixel circuit layer, a second pixel circuit layer, and a light emitting device layer. The first pixel circuit layer includes a first pixel circuit that includes a first layer electrode. The second pixel circuit layer includes a second pixel circuit that includes a second layer electrode which configures a first capacitor along with the first layer electrode. The light emitting device layer includes a light emitting device electrically connected to a driving transistor provided in the second pixel circuit layer.

公开(公告)号：US20200043949A1

公开(公告)日：2020-02-06

申请号：US16521957

申请日：2019-07-25

申请人： LG Display Co., Ltd.

发明人： Sul LEE ,  DongWook CHOI ,  Minki KIM

IPC分类号： H01L27/12 ,  H01L27/15

摘要： A light emitting display apparatus is disclosed. The light emitting display apparatus includes: a substrate; and a plurality of pixels disposed on a pixel area on the substrate. Each of the plurality of pixels includes: a first circuit layer including a first pixel circuit including a driving transistor; a second circuit layer overlapping the first circuit layer, wherein the second circuit layer includes a second pixel circuit including a data supply transistor configured to supply a data signal to the first pixel circuit; a circuit insulating layer between the first circuit layer and the second circuit layer; and a light emitting diode layer including a light emitting diode electrically connected with the first pixel circuit.

公开(公告)号：US20240276792A1

公开(公告)日：2024-08-15

申请号：US18643801

申请日：2024-04-23

申请人： LG Display Co., Ltd.

发明人： Sul LEE ,  Jonghyeok LIM ,  Hyoungsu KIM

IPC分类号： H10K59/123 ,  G06F3/041 ,  G06F3/044 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35 ,  H10K59/40

CPC分类号： H10K59/123 ,  G06F3/0412 ,  G06F3/04164 ,  G06F3/0448 ,  H10K59/121 ,  H10K59/131 ,  G06F3/0446 ,  H10K59/351 ,  H10K59/40

摘要： A display device can include light emitting parts corresponding to pixel electrodes located in a display area; a plurality of transmission parts, each disposed among the light emitting parts adjacent to each other; and a touch metal including first touch metals extending in a first direction and second touch metals extending in a second direction on the pixel electrodes. Also, each of the pixel electrodes includes sub-pixel electrodes, and each of which is divided into parts, and a portion of the first touch metals is disposed between the divided parts of the sub-pixel electrode, and the other portion of the first touch metals is disposed between the sub-pixel electrodes disposed adjacently to each other in the second direction, and the second touch metals are disposed between the sub-pixel electrodes disposed adjacently to each other in the first direction.

公开(公告)号：US20240186472A1

公开(公告)日：2024-06-06

申请号：US18285190

申请日：2022-03-31

申请人： LG DISPLAY CO., LTD. ,  LG ELECTRONICS INC.

发明人： Doohyun YOON ,  Hun JANG ,  Sul LEE ,  Hooyoung SONG

IPC分类号： H01L33/62 ,  H01L25/075 ,  H01L33/38

CPC分类号： H01L33/62 ,  H01L25/0753 ,  H01L33/382

摘要： A display device including a semiconductor light emitting device according to an embodiment can include a substrate, first assembly wiring and second assembly wiring alternately arranged on the substrate and spaced apart from each other, a planarization layer disposed on the first assembly wiring and the second assembly wiring and having a first opening, and a light emitting device disposed inside the first opening, wherein the first electrode overlaps the plurality of first assembly wirings and the plurality of second assembly wirings. The first electrode may be electrically connected to one of the first assembly wiring and the second assembly wiring.

公开(公告)号：US20220171484A1

公开(公告)日：2022-06-02

申请号：US17526733

申请日：2021-11-15

申请人： LG Display Co., Ltd.

发明人： Sul LEE ,  Jonghyeok LIM ,  Hyoungsu KIM

IPC分类号： G06F3/041 ,  H01L51/52 ,  H01L27/32 ,  G06F3/044

摘要： A display device is proposed, in which a sub-pixel electrode is divided into a plurality of parts and a touch metal is disposed between the divided plurality of parts, thereby improving transmittance and touch sensitivity of the display device.

公开(公告)号：US20240347548A1

公开(公告)日：2024-10-17

申请号：US18293076

申请日：2022-06-30

申请人： LG ELECTRONICS INC. ,  LG DISPLAY CO., LTD.

发明人： Kyuhyun BANG ,  Sul LEE ,  Hun JANG ,  Minseok KIM

IPC分类号： H01L27/12 ,  H01L25/16

CPC分类号： H01L27/1244 ,  H01L25/167 ,  H01L27/1248

摘要： A display device according to an embodiment includes a substrate, a first assembly wiring and second assembly wiring alternately arranged on the substrate and spaced apart from each other, an insulating layer disposed on the first assembly wiring or the second assembly wiring, a planarization layer disposed on the first assembly wiring and the second assembled wiring and having an opening, and a light emitting device disposed inside the opening and the first electrode overlapping the first assembly wiring and the second assembly wiring.

公开(公告)号：US20210193758A1

公开(公告)日：2021-06-24

申请号：US17132561

申请日：2020-12-23

申请人： LG Display Co., Ltd.

发明人： JeongHyeon Choi ,  Sul LEE ,  Eunil CHO

IPC分类号： H01L27/32

摘要： An organic light emitting display apparatus and an electronic device including the same are provided. The organic light emitting display apparatus comprises an organic light emitting display panel including a display area and a non-display area, the display area including a transparent area, a buffer area provided outside the transparent area, and an opaque area provided outside the buffer area, a camera provided in the transparent area in a rear surface of the organic light emitting display panel to photograph a region in a forward direction with respect to the organic light emitting display panel, and a transparent area pixel driving circuit provided in the buffer area to drive a transparent area organic light emitting diode provided in the transparent area. The transparent area organic light emitting diode is connected to the transparent area pixel driving circuit through a transparent area electrode line.

公开(公告)号：US20210193691A1

公开(公告)日：2021-06-24

申请号：US17132884

申请日：2020-12-23

申请人： LG Display Co., Ltd.

发明人： Sul LEE ,  JeongHyeon CHOI ,  Eunil CHO

IPC分类号： H01L27/12

摘要： A light emitting display panel includes a transparent area corresponding to an area where a camera is provided. The transparent area includes a first pixel circuit layer including a first pixel circuit, a second pixel circuit layer provided on the first pixel circuit layer, the second pixel circuit layer including a second pixel circuit, and a light emitting device layer provided on the second pixel circuit layer, the light emitting device layer including at least one light emitting device. A driving transistor for controlling the amount of current flowing to the light emitting device is included in at least one of the first pixel circuit layer and the second pixel circuit layer.