公开(公告)号：US11937462B2

公开(公告)日：2024-03-19

申请号：US17678085

申请日：2022-02-23

申请人： LG DISPLAY CO., LTD.

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

IPC分类号： H10K59/122 ,  H10K59/131 ,  H10K59/88 ,  H10K71/13

CPC分类号： H10K59/122 ,  H10K59/131 ,  H10K59/88 ,  H10K71/135

摘要： 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：US11289555B2

公开(公告)日：2022-03-29

申请号：US16557010

申请日：2019-08-30

申请人： LG Display Co., Ltd.

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

IPC分类号： H01L27/32 ,  H01L51/00

摘要： 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

申请人： LG Display Co., Ltd.

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

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

摘要： 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：US10784460B2

公开(公告)日：2020-09-22

申请号：US16656434

申请日：2019-10-17

申请人： LG Display Co., Ltd.

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

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

摘要： 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

申请人： LG Display Co., Ltd.

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

IPC分类号： H01L27/32

摘要： 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

申请人： LG Display Co., Ltd.

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

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

摘要： 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.

公开(公告)号：US11094761B2

公开(公告)日：2021-08-17

申请号：US16711121

申请日：2019-12-11

申请人： LG Display Co., Ltd.

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

IPC分类号： H01L27/32

摘要： 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：US11049918B2

公开(公告)日：2021-06-29

申请号：US16705007

申请日：2019-12-05

申请人： LG Display Co., Ltd.

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

IPC分类号： H01L27/32 ,  H01L51/52

摘要： An organic light emitting display device and method of fabricating thereof is disclosed. The organic light emitting display device 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, where the first direction and the second direction are orthogonal; a plurality of second bank layers disposed along the first direction on the first bank layers to divide pixels columns of different colors; and an organic light emitting diode in each pixel, the organic light emitting diode including an organic light emitting layer having different thicknesses on different colored pixels, wherein the side surfaces of the second bank layer adjacent to the pixel columns of different colors are inclined, the inclined angle thereof is dependent upon a thickness of the organic light emitting layer in the pixel.