公开(公告)号：US10109700B2

公开(公告)日：2018-10-23

申请号：US15167456

申请日：2016-05-27

Applicant: LG DISPLAY CO., LTD.

Inventor： Jin-Hee Jang ,  Se June Kim ,  Joon Suk Lee ,  So Jung Lee ,  Jong Hyeok Im ,  Jae Sung Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: Discussed are an organic light emitting display device and a method of manufacturing the same. The organic light emitting display device according to an embodiment includes a substrate including an active area and a pad area, a thin film transistor (TFT) in the active area of the substrate, an anode electrode on the TFT, an organic emission layer on the anode electrode, a cathode electrode on the organic emission layer, an auxiliary electrode connected to the cathode electrode and disposed on the same layer as the anode electrode, a signal pad in the pad area of the substrate, and a pad electrode connected to the signal pad to cover a top of the signal pad for preventing the top of the signal pad from being corroded. The TFT includes a gate electrode. The signal pad is disposed on the same layer as the gate electrode.

公开(公告)号：US20180212007A1

公开(公告)日：2018-07-26

申请号：US15928808

申请日：2018-03-22

Applicant: LG Display Co., Ltd.

Inventor： Joonsuk Lee ,  Se June Kim

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3246 ,  H01L27/3276 ,  H01L51/5212 ,  H01L51/5228 ,  H01L2251/5315

Abstract: An organic light emitting display apparatus includes a substrate; an anode electrode on the substrate; an auxiliary electrode on the substrate; an organic emission layer on the anode electrode; a cathode electrode on the organic emission layer and on the auxiliary electrode; an insulating bank on the auxiliary electrode, the bank overlapping a first portion of the auxiliary electrode and exposing a second portion of the auxiliary electrode; a first partition wall on the auxiliary electrode; a second partition wall on the first partition wall and covering the exposed second portion of the auxiliary electrode in plan view. A separation space is between the second partition wall and the bank, the cathode electrode is electrically connected to the auxiliary electrode through the separation space between the second partition wall and the bank, and the second partition wall is supported by the first partition wall and the bank.

公开(公告)号：US09960216B2

公开(公告)日：2018-05-01

申请号：US14983899

申请日：2015-12-30

Applicant: LG Display Co., Ltd.

Inventor： Joonsuk Lee ,  Se June Kim

IPC: H01L23/528 ,  H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3246 ,  H01L27/3276 ,  H01L51/5212 ,  H01L51/5228 ,  H01L2251/5315

Abstract: An organic light emitting display apparatus includes a substrate; an anode electrode on the substrate; an auxiliary electrode on the substrate; an organic emission layer on the anode electrode; a cathode electrode on the organic emission layer and on the auxiliary electrode; an insulating bank on the auxiliary electrode, the bank overlapping a first portion of the auxiliary electrode and exposing a second portion of the auxiliary electrode; a first partition wall on the auxiliary electrode; a second partition wall on the first partition wall and covering the exposed second portion of the auxiliary electrode in plan view. A separation space is between the second partition wall and the bank, the cathode electrode is electrically connected to the auxiliary electrode through the separation space between the second partition wall and the bank, and the second partition wall is supported by the first partition wall and the bank.

公开(公告)号：US08883531B2

公开(公告)日：2014-11-11

申请号：US13692676

申请日：2012-12-03

Applicant: LG Display Co., Ltd.

Inventor： Se June Kim ,  Joon Suk Lee ,  Yong Chul Kim ,  Sung Bin Shim

IPC: H01L21/00 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3244 ,  H01L27/3206 ,  H01L27/3213 ,  H01L51/5265 ,  H01L51/5271 ,  H01L51/56

Abstract: An OLED display device is provided. The OLED display device includes a substrate segmented into a plurality sub-pixel regions, a thin film transistor formed in each of the sub-pixel regions, an insulating layer and a planarization layer formed on the thin film transistor, a semitransparent reflective layer selectively formed in each sub-pixel region on the planarization layer, a protective layer formed on the semitransparent reflective layer, an anode electrode formed in a region corresponding to the semitransparent reflective layer on the protective layer and connected to the thin film transistor, an organic light emitting layer connected to the anode electrode, and emitting light, and a cathode electrode formed on the organic light emitting layer.

Abstract translation: 提供了OLED显示装置。 OLED显示装置包括分割成多个子像素区域的基板，形成在每个子像素区域中的薄膜晶体管，形成在薄膜晶体管上的绝缘层和平坦化层，选择性地形成半透明反射层 在平坦化层上的每个子像素区域中，形成在半透明反射层上的保护层，形成在与保护层上的半透明反射层相对应并连接到薄膜晶体管的区域中的阳极电极，有机发光 层，连接到阳极电极和发射光;以及阴极，形成在有机发光层上。

公开(公告)号：US10978541B2

公开(公告)日：2021-04-13

申请号：US16131758

申请日：2018-09-14

Applicant: LG DISPLAY CO., LTD.

Inventor： Jin-Hee Jang ,  Se June Kim ,  Joon Suk Lee ,  So Jung Lee ,  Jong Hyeok Im ,  Jae Sung Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: A method of manufacturing an organic light emitting display device, the method includes forming a thin film transistor (TFT) in an active area of a substrate and forming a signal pad and a first pad electrode, connected to the signal pad, in a pad area of the substrate, forming a passivation layer on the TFT and the first pad electrode, forming a planarization layer on the passivation layer, removing a certain region of the passivation layer to simultaneously form an area, through which the TFT is exposed to the outside, and an area through which the first pad electrode is exposed to the outside, forming a first anode electrode connected to the TFT, a first auxiliary electrode spaced apart from the first anode electrode, and a second pad electrode that is connected to the first pad electrode and covers the exposed first pad electrode; and forming a second anode electrode, covering a top and a side surface of the first anode electrode, and a second auxiliary electrode covering a top and a side surface of the first auxiliary electrode.

公开(公告)号：US20140061595A1

公开(公告)日：2014-03-06

申请号：US13692676

申请日：2012-12-03

Applicant: LG DISPLAY CO., LTD.

Inventor： Se June Kim ,  Joon Suk Lee ,  Yong Chul Kim ,  Sung Bin Shim

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3244 ,  H01L27/3206 ,  H01L27/3213 ,  H01L51/5265 ,  H01L51/5271 ,  H01L51/56

Abstract: An OLED display device is provided. The OLED display device includes a substrate segmented into a plurality sub-pixel regions, a thin film transistor formed in each of the sub-pixel regions, an insulating layer and a planarizion layer formed on the thin film transistor, a semitransparent reflective layer selectively formed in each sub-pixel region on the planarizion layer, a protective layer formed on the semitransparent reflective layer, an anode electrode formed in a region corresponding to the semitransparent reflective layer on the protective layer and connected to the thin film transistor, an organic light emitting layer connected to the anode electrode, and emitting light, and a cathode electrode formed on the organic light emitting layer.

Abstract translation: 提供了OLED显示装置。 OLED显示装置包括分割成多个子像素区域的基板，形成在每个子像素区域中的薄膜晶体管，形成在薄膜晶体管上的绝缘层和平坦化层，选择性地形成半透明反射层 在平坦化层上的每个子像素区域中，形成在半透明反射层上的保护层，形成在与保护层上的半透明反射层相对应并连接到薄膜晶体管的区域中的阳极，发射有机发光 层，连接到阳极电极和发射光;以及阴极，形成在有机发光层上。

公开(公告)号：US10454068B2

公开(公告)日：2019-10-22

申请号：US14653151

申请日：2013-12-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Joon Suk Lee ,  Se June Kim

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

Abstract: There are provided an organic light emitting display and a method of manufacturing the organic light emitting display. The organic light emitting display includes a lower substrate including a plurality of subpixel regions, a thin film transistor formed on the lower substrate, an organic light emitting element formed on the thin film transistor, an encapsulation unit for covering the organic light emitting element, a spacer formed on the encapsulation unit, an upper substrate disposed to face the lower substrate, and a desiccant between the lower substrate and the upper substrate. Various embodiments of the invention provide an organic light emitting display that enhances a viewing angle by minimizing a cell gap and minimizing a distortion of light, minimizes penetration of water or oxygen from the outside, and realizes a high resolution display by enhancing an aperture ratio, and a method of manufacturing the organic light emitting display.

公开(公告)号：US09583734B2

公开(公告)日：2017-02-28

申请号：US13860282

申请日：2013-04-10

Applicant: LG Display Co., Ltd.

Inventor： Sungbin Shim ,  Se June Kim

IPC: H01L29/08 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32

CPC classification number: H01L51/5265 ,  H01L27/3206 ,  H01L27/3211 ,  H01L27/3213 ,  H01L27/322 ,  H01L51/5209 ,  H01L51/5215 ,  H01L51/5218 ,  H01L51/56 ,  H01L2227/323

Abstract: An organic light emitting diode, including: a substrate; a first cavity electrode in a first micro-cavity region of the substrate; a first transparent electrode of a first thickness in the first micro-cavity region, the first transparent electrode overlaps beyond a first side of the first cavity electrode; a first emissive layer in electrical connection with the first transparent electrode; and a cathode layer on the first emissive layer.

Abstract translation: 一种有机发光二极管，包括：基板; 在所述基板的第一微腔区域中的第一空腔电极; 在所述第一微腔区域中具有第一厚度的第一透明电极，所述第一透明电极与所述第一空腔电极的第一侧重叠; 与所述第一透明电极电连接的第一发射层; 和第一发射层上的阴极层。

公开(公告)号：US10483336B2

公开(公告)日：2019-11-19

申请号：US15928808

申请日：2018-03-22

Applicant: LG Display Co., Ltd.

Inventor： Joonsuk Lee ,  Se June Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light emitting display apparatus includes a substrate; an anode electrode on the substrate; an auxiliary electrode on the substrate; an organic emission layer on the anode electrode; a cathode electrode on the organic emission layer and on the auxiliary electrode; an insulating bank on the auxiliary electrode, the bank overlapping a first portion of the auxiliary electrode and exposing a second portion of the auxiliary electrode; a first partition wall on the auxiliary electrode; a second partition wall on the first partition wall and covering the exposed second portion of the auxiliary electrode in plan view. A separation space is between the second partition wall and the bank, the cathode electrode is electrically connected to the auxiliary electrode through the separation space between the second partition wall and the bank, and the second partition wall is supported by the first partition wall and the bank.

公开(公告)号：US09825262B2

公开(公告)日：2017-11-21

申请号：US15346245

申请日：2016-11-08

Applicant: LG DISPLAY CO., LTD.

Inventor： Joon Suk Lee ,  Se June Kim ,  So Jung Lee ,  Jin-Hee Jang ,  Jong Hyeok Im ,  Jae Sung Lee

IPC: H01L29/786 ,  H01L51/56 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/56 ,  H01L27/3218 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258 ,  H01L27/326 ,  H01L27/3276 ,  H01L27/3279 ,  H01L51/5203 ,  H01L51/5209 ,  H01L51/5228 ,  H01L51/5253 ,  H01L2227/323

Abstract: Disclosed is an organic light emitting display apparatus in which an anode electrode, an organic emission layer, a cathode electrode, and an auxiliary electrode connected to the cathode electrode and disposed on the same layer as that of the anode electrode are disposed in an active area of the substrate, a signal pad and a pad electrode connected to the signal pad and covering a top of the signal pad are disposed in a pad area of the substrate, and a top of the pad electrode has lower oxidation rate than the top of the signal pad.