公开(公告)号：US10777766B2

公开(公告)日：2020-09-15

申请号：US16206124

申请日：2018-11-30

Applicant: LG Display Co., Ltd.

Inventor： JongHyeok Im ,  SeJune Kim ,  JoonSuk Lee ,  SoJung Lee ,  JaeSung Lee

IPC: H01L51/56 ,  H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: An organic light-emitting diode (OLED) display device and a method of fabricating the same can reduce resistance of a cathode by forming an auxiliary electrode. Also, such OLED display device and method can prevent damage on a pad electrode due to an etchant during patterning of an anode by applying a protective structure to the pad electrode of a pad area and by including the pad electrode exposed from a plurality of pad electrode layers.

公开(公告)号：US20200214149A1

公开(公告)日：2020-07-02

申请号：US16718942

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： JaeSung Lee ,  DongYoon Kim ,  DoJin Kim

IPC: H05K5/00 ,  H05K5/02 ,  H05K1/18 ,  H05K1/14

Abstract: A display system includes a first display coupled to a roller and a second display coupled to the roller such that the first and second displays can be rolled about the roller for storage and transportation and unrolled from the roller to form a large area display. The second rollable display can be rolled about the roller with a rear surface of the second rollable display in direct contact with an outer surface of the roller and the first rollable display can be rolled about the roller with a front surface of the first rollable display in direct contact with a front surface of the second rollable display. First and second flexible films, first and second source printed circuit boards, first and second flexible cables, and first and second control printed circuit boards can be located inside the roller.

公开(公告)号：US09952284B2

公开(公告)日：2018-04-24

申请号：US15336073

申请日：2016-10-27

Applicant: LG DISPLAY CO., LTD.

Inventor： JaeSung Lee ,  Joonsuk Lee

IPC: H01L51/52 ,  H01L51/56 ,  G01R31/3177 ,  G01R31/317 ,  G01R31/3185 ,  G06F11/26 ,  H01L27/32 ,  H01L27/12

CPC classification number: G01R31/3177 ,  G01R31/31723 ,  G01R31/31727 ,  G01R31/318555 ,  G01R31/318572 ,  G06F11/26 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/3262 ,  H01L51/5212 ,  H01L51/5215 ,  H01L51/5228 ,  H01L51/5253 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/301 ,  H01L2251/308 ,  H01L2251/5315

Abstract: Disclosed is an organic light emitting display (OLED) device that may include a thin film transistor on a substrate; a first electrode electrically connected with the thin film transistor; an organic emitting layer on the first electrode, the organic emitting layer separated by a partition; a partition cover on the partition; a second electrode on the organic emitting layer; and an encapsulation layer on the second electrode, wherein a width of an upper surface of the partition cover is smaller than a width of a lower surface of the partition cover.

公开(公告)号：US10446627B2

公开(公告)日：2019-10-15

申请号：US16035308

申请日：2018-07-13

Applicant: LG DISPLAY CO., LTD.

Inventor： Jonghyeok Im ,  SeJune Kim ,  Joonsuk Lee ,  SoJung Lee ,  Jin-Hee Jang ,  JaeSung Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A method of manufacturing an organic light emitting display device can include providing a source electrode, a drain electrode and a signal pad on a substrate; providing a passivation layer on the source electrode, the drain electrode and the signal pad, providing a planarization layer on the passivation layer; providing a anode electrode connected with the source electrode or drain electrode, and providing an auxiliary electrode spaced apart from the anode electrode; providing a contact hole for exposing the signal pad by removing a predetermined portion of the passivation layer; providing a bank on one side and the other side of the anode electrode and one side and the other side of the auxiliary electrode; providing an organic emitting layer on the anode electrode; and providing a cathode electrode connected with the auxiliary electrode and provided on the organic emitting layer, in which the signal pad includes a lower signal pad, a central signal pad and an upper signal pad, and the central signal pad is surrounded by the lower signal pad, the upper signal pad and the passivation layer.

公开(公告)号：US10181573B2

公开(公告)日：2019-01-15

申请号：US14796090

申请日：2015-07-10

Applicant: LG Display Co., Ltd.

Inventor： JongHyeok Im ,  SeJune Kim ,  JoonSuk Lee ,  SoJung Lee ,  JaeSung Lee

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32 ,  H01L51/00

Abstract: An organic light-emitting diode (OLED) display device and a method of fabricating the same can reduce resistance of a cathode by forming an auxiliary electrode. Also, such OLED display device and method can prevent damage on a pad electrode due to an etchant during patterning of an anode by applying a protective structure to the pad electrode of a pad area and by including the pad electrode exposed from a plurality of pad electrode layers.

公开(公告)号：US09620733B2

公开(公告)日：2017-04-11

申请号：US14985483

申请日：2015-12-31

Applicant: LG Display Co., Ltd.

Inventor： SeJune Kim ,  Joonsuk Lee ,  SoJung Lee ,  Jin-Hee Jang ,  Jonghyeok Im ,  JaeSung Lee

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

CPC classification number: H01L51/56 ,  H01L27/1248 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/0023 ,  H01L51/5203 ,  H01L51/5212 ,  H01L51/5228 ,  H01L51/5237 ,  H01L2227/323

Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. An organic light-emitting display apparatus includes: a substrate including an active area and a pad area, an anode electrode in the active area, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode, a signal pad in the pad area, and a first pad electrode connected to the signal pad, the first pad electrode covering a top of the signal pad, the first pad electrode being configured to prevent the top of the signal pad from being corroded, wherein the auxiliary electrode includes a first auxiliary electrode and a second auxiliary electrode connected to the first auxiliary electrode through a contact hole, and wherein the first pad electrode includes a same material as the first auxiliary electrode.

公开(公告)号：US11758777B2

公开(公告)日：2023-09-12

申请号：US17060370

申请日：2020-10-01

Applicant: LG Display Co., Ltd.

Inventor： Jaehyeong Kim ,  JaeSung Lee ,  Dojin Kim

IPC: H01L27/32 ,  H01L51/00 ,  G02F1/133 ,  G09F9/30 ,  H01L51/52 ,  G02F1/1333

CPC classification number: H01L27/3276 ,  H01L27/3272 ,  G02F1/133305 ,  H01L51/0097 ,  H01L51/5253 ,  H01L2251/5338

Abstract: A flexible display device according to an exemplary embodiment of the present disclosure may include a substrate divided into a display area and a non-display area; a first buffer layer disposed on the substrate; a second buffer layer disposed under the substrate; a support member disposed under the second buffer layer; a transistor and a light emitting element disposed above the first buffer layer in the display area; a conductive layer disposed in the second buffer layer in the non-display area; and a connection member disposed on the first buffer layer in the non-display area and electrically connected to the conductive layer through a contact hole, so that an effect of minimizing luminance unevenness of a display panel due to the use of a polyimide (PI) substrate by grounding and removing charges accumulated in the PI substrate, can be provided.

公开(公告)号：US11309376B2

公开(公告)日：2022-04-19

申请号：US16714152

申请日：2019-12-13

Applicant: LG Display Co., Ltd.

Inventor： DongYoon Kim ,  JaeSung Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/00 ,  G09G3/00 ,  G09G3/32 ,  G09F9/30

Abstract: A display device is disclosed that includes one or more crack detection units. The crack detection units can detect a crack position in the display device without requiring the disassembly of the display device. The crack detection units may be disposed across one or more non-active areas of the display device.

公开(公告)号：US11172583B2

公开(公告)日：2021-11-09

申请号：US16718942

申请日：2019-12-18

Applicant: LG Display Co., Ltd.

Inventor： JaeSung Lee ,  DongYoon Kim ,  DoJin Kim

IPC: H05K7/00 ,  H05K5/00 ,  H05K5/02 ,  H05K1/14 ,  H05K1/18

Abstract: A display system includes a first display coupled to a roller and a second display coupled to the roller such that the first and second displays can be rolled about the roller for storage and transportation and unrolled from the roller to form a large area display. The second rollable display can be rolled about the roller with a rear surface of the second rollable display in direct contact with an outer surface of the roller and the first rollable display can be rolled about the roller with a front surface of the first rollable display in direct contact with a front surface of the second rollable display. First and second flexible films, first and second source printed circuit boards, first and second flexible cables, and first and second control printed circuit boards can be located inside the roller.

公开(公告)号：US10393806B2

公开(公告)日：2019-08-27

申请号：US15923114

申请日：2018-03-16

Applicant: LG DISPLAY CO., LTD.

Inventor： JaeSung Lee ,  Joonsuk Lee

IPC: H01L51/52 ,  G01R31/3177 ,  G01R31/317 ,  G01R31/3185 ,  G06F11/26 ,  H01L27/32 ,  H01L51/56 ,  H01L27/12

Abstract: Disclosed is an organic light emitting display (OLED) device that may include a thin film transistor on a substrate; a first electrode electrically connected with the thin film transistor; an organic emitting layer on the first electrode, the organic emitting layer separated by a partition; a partition cover on the partition; a second electrode on the organic emitting layer; and an encapsulation layer on the second electrode, wherein a width of an upper surface of the partition cover is smaller than a width of a lower surface of the partition cover.