公开(公告)号：US11114649B2

公开(公告)日：2021-09-07

申请号：US16197271

申请日：2018-11-20

Applicant: LG DISPLAY CO., LTD.

Inventor： Dongyoung Kim ,  Changhwa Jun ,  Yongbaek Lee ,  Jang Jo ,  Jiho Ryu ,  Hyejin Gong ,  Yeonsuk Kang

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

Abstract: A light-emitting display device is provided. The light-emitting display device includes a first substrate, a first electrode layer on the first substrate, a bank layer that has openings exposing part of the first electrode layer, an emissive layer on the first electrode layer, bank grooves formed by recessing the bank layer, a second electrode layer on the emissive layer, and a low-reflectivity layer that lies on the second electrode layer and is positioned to correspond to the bank grooves.

公开(公告)号：US10741614B2

公开(公告)日：2020-08-11

申请号：US16200316

申请日：2018-11-26

Applicant: LG Display Co., Ltd.

Inventor： Younghoon Son ,  Yeonsuk Kang

IPC: H01L27/32 ,  G02B27/01 ,  H01L51/52

Abstract: A display device and an eyeglasses-like augmented reality device using the same are provided. The display device includes a display panel including a lower substrate and an upper substrate and having a display area, an insulating layer that lies over the lower substrate and has a sloped surface in the display area, and an organic light-emitting diode on the insulating layer. The insulating layer has different slopes for different positions in the display area.

公开(公告)号：US10409411B2

公开(公告)日：2019-09-10

申请号：US16363968

申请日：2019-03-25

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  Yeonsuk Kang

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

Abstract: Disclosed are a display device with integrated touch screen, in which a touch sensing layer is provided on an encapsulation layer without forming a separate insulation layer, and thus, an increase in thickness caused by the touch sensing layer is minimized. The display device with integrated touch screen includes a plurality of first touch electrodes and a plurality of second touch electrodes disposed on a substrate, a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes, and a plurality of bridge electrodes on the black matrix, the plurality of bridge electrodes disposed to electrically connect the plurality of first touch electrodes. The plurality of bridge electrodes are connected to the plurality of first touch electrodes through a plurality of contact holes passing through the black matrix, respectively.

公开(公告)号：US10768733B2

公开(公告)日：2020-09-08

申请号：US16189793

申请日：2018-11-13

Applicant: LG DISPLAY CO., LTD.

Inventor： Yeonsuk Kang ,  Hyejin Gong

IPC: G09G1/00 ,  G06F3/041 ,  G06F3/044

Abstract: An electronic device having a touch sensor, the electronic device can include a display panel including an active area and an encapsulating substrate covering the active area; a plurality of recesses in a surface of the encapsulating substrate; and a touchscreen including a lower metal layer disposed in the plurality of recesses, and a touch electrode layer electrically connected to a part of the lower metal layer and including touch driving electrodes and touch sensing electrodes separately arranged on the encapsulating substrate.

公开(公告)号：US10714544B2

公开(公告)日：2020-07-14

申请号：US15642192

申请日：2017-07-05

Applicant: LG Display Co., Ltd.

Inventor： Yeonsuk Kang ,  JoonYoung Heo ,  YongBaek Lee

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3225

Abstract: Disclosed is a display device with integrated touch screen, in which a resistance of a touch electrode is reduced by using a black matrix. The display device includes an organic light emitting device layer disposed on a substrate, a plurality of color filters disposed on the organic light emitting device layer, a black matrix disposed to overlap a boundary portion between the plurality of color filters and including a three or more-layered metal layer, and a plurality of first touch electrodes and a plurality of second touch electrodes disposed on the black matrix.

公开(公告)号：US10310650B2

公开(公告)日：2019-06-04

申请号：US15644507

申请日：2017-07-07

Applicant: LG Display Co., Ltd.

Inventor： JoonYoung Heo ,  Yeonsuk Kang

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

Abstract: Disclosed are a display device with integrated touch screen, in which a touch sensing layer is provided on an encapsulation layer without forming a separate insulation layer, and thus, an increase in thickness caused by the touch sensing layer is minimized. The display device with integrated touch screen includes a plurality of first touch electrodes and a plurality of second touch electrodes disposed on a substrate, a black matrix disposed on the plurality of first touch electrodes and the plurality of second touch electrodes, and a plurality of bridge electrodes on the black matrix, the plurality of bridge electrodes disposed to electrically connect the plurality of first touch electrodes. The plurality of bridge electrodes are connected to the plurality of first touch electrodes through a plurality of contact holes passing through the black matrix, respectively.

公开(公告)号：US11271045B2

公开(公告)日：2022-03-08

申请号：US16523114

申请日：2019-07-26

Applicant: LG Display Co., Ltd.

Inventor： Yeonsuk Kang ,  YoungMi Kim

IPC: H01L27/32 ,  H01L51/52 ,  G02B27/01 ,  G02B3/00 ,  H01L51/50

Abstract: An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, a first electrode in each of the first to third subpixels, an emission layer on the first electrode and including: a first stack emitting first-colored light, and a second stack emitting second-colored light, the second stack being on the first stack, a second electrode on the emission layer, and a light-absorbing layer on the second electrode, wherein the first subpixel emits: light with a red wavelength range, and light with a cyan wavelength range, wherein the second subpixel emits light with a green wavelength range, wherein the third subpixel emits light with a blue wavelength range, and wherein the light-absorbing layer includes a cyan-absorbing material absorbing the light with the cyan wavelength range.

公开(公告)号：US10712574B2

公开(公告)日：2020-07-14

申请号：US16173037

申请日：2018-10-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Yeonsuk Kang

IPC: H04N5/222 ,  G02B27/01 ,  H01L51/52 ,  F21V8/00 ,  H01L51/50 ,  H01L27/32

Abstract: A personal immersive device that can be worn on the user's head comprises a display panel having an active area where first and second pixels are arranged and a projection lens provided on the display panel, with a smaller area than the active area, and having a first lens portion allocated for the first pixel and a second lens portion allocated for the second pixel. The first and second pixels each comprise a first electrode, a second electrode, and an organic compound layer interposed between the first electrode and the second electrode and emitting light of the same color. The distance between the first and second electrodes of the first pixel is different from the distance between the first and second electrodes of the second pixel.

公开(公告)号：US10141375B2

公开(公告)日：2018-11-27

申请号：US15364018

申请日：2016-11-29

Applicant: LG Display Co., Ltd.

Inventor： Jang Jo ,  Yeonsuk Kang ,  Hye-Jin Gong

IPC: H01L27/28 ,  H01L51/44 ,  H01L51/52 ,  H01L27/32 ,  H01L31/04 ,  H01L31/0475

Abstract: Disclosed is a display device including a solar cell so as to use power produced by a solar energy, and a method for manufacturing the same, wherein the display device includes light-emitting areas provided on a lower substrate, and a solar cell layer provided on an upper substrate confronting the lower substrate, and provided to produce power by absorbing light, wherein the light-emitting areas include first to third light-emitting areas, and the solar cell layer includes first to third organic solar cell layers which are disposed to areas corresponding to the first to third light-emitting areas.

公开(公告)号：US11716868B2

公开(公告)日：2023-08-01

申请号：US17121228

申请日：2020-12-14

Applicant: LG Display Co., Ltd.

Inventor： Pureum Kim ,  Yeonsuk Kang ,  Hye-Jin Gong

IPC: H10K59/123 ,  H10K50/818 ,  H10K59/124 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K50/818 ,  H10K59/123 ,  H10K59/124 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic light emitting display apparatus can include an insulating film disposed on a substrate, a first electrode disposed on the insulating film, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer, wherein the first electrode can be provided with a contact area that covers a contact hole passing through the insulating film, and a protrusion vertically protruded from an upper surface of the first electrode on a boundary surface of the contact hole.