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。

公开(公告)号：US12213334B2

公开(公告)日：2025-01-28

申请号：US17519499

申请日：2021-11-04

Applicant: LG Display Co., Ltd.

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

IPC: H01L51/50 ,  H10K50/11 ,  H10K50/165 ,  H10K50/17 ,  H10K50/81 ,  H10K50/82 ,  H10K59/12 ,  H10K59/35 ,  H10K71/00 ,  H10K71/12 ,  H10K71/13 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: The present invention provides an organic emitting diode including a first electrode; a second electrode facing the first electrode; an emitting material layer between the first and second electrodes; and an intervening layer between the emitting material layer and the second electrode and including a base material and an electron injection material, wherein the intervening layer contacts the second electrode.

公开(公告)号：US10784460B2

公开(公告)日：2020-09-22

申请号：US16656434

申请日：2019-10-17

Applicant: LG Display Co., Ltd.

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

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

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：US20200185472A1

公开(公告)日：2020-06-11

申请号：US16711121

申请日：2019-12-11

Applicant: LG Display Co., Ltd.

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

IPC: H01L27/32

Abstract: An organic light emitting display device and a method of fabricating thereof are discussed. The organic light emitting display device according to an example of the invention comprises a first substrate; a plurality of first bank layers arranged along a first direction and a second direction on the first substrate to define a plurality of pixels; a plurality of second bank layers disposed along the first direction on the first bank layers to divide columns of pixels having different colors; a plurality of third bank layers disposed along the second direction on the first bank layers; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer, wherein the third bank layer is made of a same material as the second bank layer and the width of the third bank layer is smaller than that of the second bank layer.

公开(公告)号：US10333107B2

公开(公告)日：2019-06-25

申请号：US15847725

申请日：2017-12-19

Applicant: LG Display Co., Ltd.

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

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

Abstract: An electroluminescent display device includes a substrate; a first electrode on the substrate; a hole auxiliary layer on the first electrode; a light emitting material layer on the hole auxiliary layer; an electron auxiliary layer on the light emitting material layer; a second electrode on the electron auxiliary layer; and insulation layers between the hole auxiliary layer and the light emitting material layer and between the electron auxiliary layer and the light emitting material layer, wherein a refractive index of the insulation layers is smaller than a refractive index of the light emitting material layer.