公开(公告)号：US11864440B2

公开(公告)日：2024-01-02

申请号：US17519143

申请日：2021-11-04

Applicant: LG Display Co., Ltd.

Inventor： Hee-Tae Lim ,  Ji-Ho Kang ,  Hak-Min Lee ,  Hyuk-Chan Gee

IPC: H10K59/131 ,  H10K50/824 ,  H10K59/121 ,  H10K59/122 ,  H10K50/818 ,  H10K50/828 ,  H10K59/35 ,  H10K102/00

CPC classification number: H10K59/1315 ,  H10K50/824 ,  H10K59/121 ,  H10K59/122 ,  H10K50/818 ,  H10K50/828 ,  H10K59/352 ,  H10K2102/3026

Abstract: An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.

公开(公告)号：US11289555B2

公开(公告)日：2022-03-29

申请号：US16557010

申请日：2019-08-30

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Mook Choi ,  Nack-Youn Jung ,  Hee-Jin Kim ,  Hak-Min Lee ,  Myung-O Joo ,  Sung-Soo Park

IPC: H01L27/32 ,  H01L51/00

Abstract: An electroluminescent display device includes an electroluminescent display device includes a substrate; a first pixel row on the substrate including a first plurality of pixels arranged along a first direction; a second pixel row on the substrate including a second plurality of pixels arranged along the first direction, the second pixel row being spaced apart from the first pixel row in a second direction; a first groove between the first and second pixel rows; and a light emitting diode in each pixel of the first and second pixel rows, wherein the first groove includes a first portion at one end of the first pixel row, a second portion at the other end of the first pixel row and a third portion between the first and second portions, and wherein third portion is smaller than the first portion and greater than the second portion.

公开(公告)号：US10483483B2

公开(公告)日：2019-11-19

申请号：US15836732

申请日：2017-12-08

Applicant: LG Display Co., Ltd.

Inventor： Hak-Min Lee ,  Young-Jun Yu ,  Hee-Jin Kim ,  Sung-Soo Park

IPC: H01L51/52 ,  G09G3/3258 ,  H01L27/32 ,  H01L51/50

Abstract: Provided are an electroluminescent device and an electroluminescent display device. The electroluminescent device includes an anode and a cathode facing each other, a light compensation layer located between the anode and the cathode and having a first refractive index, and an emitting material layer located between the light compensation layer and the cathode, and having a second refractive index higher than the first refractive index.

公开(公告)号：US20130168653A1

公开(公告)日：2013-07-04

申请号：US13727275

申请日：2012-12-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Dong-Hee Nam ,  Young-Gu Lee ,  Hee-Jin Kim ,  Hak-Min Lee

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5203 ,  H01L51/0003 ,  H01L51/0008 ,  H01L51/5004 ,  H01L51/56 ,  H01L2251/308

Abstract: An organic light emitting device includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the substrate and a second electrode facing the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a first triplet exciton confinement layer, a third light emitting layer and a second triplet exciton confinement layer disposed over the first to third pixels in this order, on the first light emitting layer and the second light emitting layer, and a first common layer disposed between the first light emitting layer and the second light emitting layer, and the first electrode, and a second common layer disposed between the second triplet exciton confinement layer and the second electrode.

Abstract translation: 有机发光器件包括分为第一至第三像素并由其定义的衬底，设置在衬底上的第一电极和面对第一电极的第二电极，设置在第一像素中的第一发光层和第二发光层 并且分别在第一电极和第二电极之间的第二像素中，第一三重态激子约束层，第三发光层和第二三重态激子限制层，其依次布置在第一至第三像素上，第一 发光层和第二发光层以及设置在第一发光层和第二发光层之间的第一公共层和第一电极以及设置在第二三重态激子限制层和第二发光层之间的第二公共层 电极。

公开(公告)号：US20130168652A1

公开(公告)日：2013-07-04

申请号：US13689961

申请日：2012-11-30

Applicant: LG Display Co., Ltd.

Inventor： Dong-Hee Nam ,  Young-Gu Lee ,  Hee-Jin Kim ,  Hak-Min Lee

IPC: H01L51/50 ,  H01L51/00

CPC classification number: H01L51/50 ,  H01L27/3211 ,  H01L51/0002 ,  H01L51/0003 ,  H01L51/0008 ,  H01L51/5004 ,  H01L51/504

Abstract: An organic light emitting device, efficacy and lifetime of which are improved by forming a blue light emitting layer disposed over respective pixels in common as a double layer structure, includes a substrate divided into and defined by first to third pixels, a first electrode disposed on the TFT substrate and a second electrode facing the first electrode, the second electrode being spaced from the first electrode, a first light emitting layer and a second light emitting layer disposed in the first pixel and in the second pixel, respectively, between the first electrode and the second electrode, a sub-light emitting layer and a third light emitting layer disposed over the first to third pixels in this order on the first light emitting layer and the second light emitting layer.

Abstract translation: 一种有机发光器件，其功效和寿命通过以双层结构形成共同设置在各个像素上的蓝色发光层而被改善，包括分为第一至第三像素并由其定义的衬底，第一电极设置在 TFT基板和面向第一电极的第二电极，第二电极与第一电极间隔开，分别设置在第一像素和第二像素中的第一发光层和第二发光层之间，第一电极 以及在第一发光层和第二发光层上依次设置在第一至第三像素上的第二电极，副发光层和第三发光层。