公开(公告)号：US20230209868A1

公开(公告)日：2023-06-29

申请号：US17975319

申请日：2022-10-27

Applicant: LG Display Co., Ltd.

Inventor： TaeHan Park

IPC: H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5253 ,  H01L27/3244 ,  H01L2251/303

Abstract: An electroluminescence display is disclosed. The electroluminescence display includes a cathode electrode having an encapsulation function. The electroluminescence display comprises: a substrate; an anode electrode on the substrate; an emission layer on the anode electrode; and a cathode electrode on the emission layer. The cathode electrode includes a plurality of conductive layers that are sequentially stacked.

公开(公告)号：US11322552B2

公开(公告)日：2022-05-03

申请号：US16716856

申请日：2019-12-17

Applicant: LG Display Co., Ltd.

Inventor： Minki Kim ,  ChoongKeun Yoo ,  TaeHan Park ,  Sul Lee ,  Hansun Park

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a substrate including a first subpixel and a second subpixel, a first electrode including a first sub-electrode provided in the first subpixel and a second sub-electrode provided in the second subpixel, the first electrode being provided on the substrate, an organic light emitting layer on the first electrode, a second electrode on the organic light emitting layer, a first bank between the first sub-electrode and the second sub-electrode, the first bank dividing the first subpixel and the second subpixel, a color filter layer on the second electrode, a reflective metal at a portion of the color filter layer, and a light absorbing part on an upper surface of the reflective metal, the light absorbing part absorbing light, wherein the first electrode is provided as a reflective electrode, and the organic light emitting layer is disposed between the reflective electrode and the reflective metal.

公开(公告)号：US10388703B2

公开(公告)日：2019-08-20

申请号：US15816886

申请日：2017-11-17

Applicant: LG Display Co., Ltd.

Inventor： TaeHan Park

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

Abstract: Disclosed is an OLED device capable of reducing the number of manufacturing processes to apply a micro-cavity structure, and a method for manufacturing the same, wherein the OLED device may include a unit pixel having first to third subpixels, wherein each of the first to third subpixels includes a first electrode, an organic light emitting layer disposed on the first electrode, a second electrode disposed on the organic light emitting layer and formed of a transparent metal material, an encapsulation film for covering the second electrode, and a semi-transmissive electrode disposed on the encapsulation film, wherein a distance between the first electrode and the semi-transmissive electrode in the first subpixel, a distance between the first electrode and the semi-transmissive electrode in the second subpixel, and a distance between the first electrode and the semi-transmissive electrode in the third subpixel are different from one another.

公开(公告)号：US10236467B2

公开(公告)日：2019-03-19

申请号：US15786433

申请日：2017-10-17

Applicant: LG Display Co., Ltd.

Inventor： TaeHan Park ,  KyungHoon Lee ,  DongHee Yoo ,  Hyeongjun Lim

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

Abstract: Disclosed is an OLED device capable of reducing the number of manufacturing processes to apply a micro-cavity structure, and a method for manufacturing the same, wherein the OLED device may include a pixel having first to third subpixels, wherein each of the first to third subpixels includes a first electrode including a reflective metal material, an organic light emitting layer on the first electrode, a second electrode disposed on the organic light emitting layer and formed of a transparent metal material, and a semi-transmissive electrode on the second electrode, wherein a distance between the first electrode and the semi-transmissive electrode in the first subpixel, a distance between the first electrode and the semi-transmissive electrode in the second subpixel, and a distance between the first electrode and the semi-transmissive electrode in the third subpixel are different from one another.

公开(公告)号：US10069098B2

公开(公告)日：2018-09-04

申请号：US15383887

申请日：2016-12-19

Applicant: LG Display Co., Ltd.

Inventor： JongSung Kim ,  ChoongKeun Yoo ,  Ho-Jin Kim ,  TaeHan Park

IPC: H01L51/52 ,  G02B17/02 ,  H01L27/32 ,  H01L51/56

Abstract: In one embodiment, a display device comprises: a substrate including an emissive area that emits light and a non-emissive area that does not emit light; a transistor over the substrate; a light emitting device over the transistor, the light emitting device including a first electrode, a light emitting layer on the first electrode, and a second electrode on the light emitting layer; a contact hole in the emissive area of the substrate, the contact hole positioned between the transistor and the light emitting device; and an auxiliary electrode in the contact hole, the auxiliary electrode electrically connecting together the first electrode of the light emitting device and the transistor.