公开(公告)号：US20210175305A1

公开(公告)日：2021-06-10

申请号：US17115692

申请日：2020-12-08

Applicant: LG Display Co., Ltd.

Inventor： Jeong-Mook CHOI ,  Heume-Il BAEK ,  Nack-Youn JUNG

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined, sub-pixels disposed in the display area on the substrate and arranged along first and second directions, a light-emitting diode disposed at each sub-pixel and including a first electrode, a light-emitting layer and a second electrode, a first bank disposed between adjacent sub-pixels along the second direction and overlapping edges of the first electrode, and a second bank disposed between adjacent sub-pixels along the first direction and having an opening corresponding to a column of the sub-pixels arranged along the second direction, wherein the opening includes a first portion corresponding to the display area and a second portion corresponding to the non-display area, and a bottom surface of the light-emitting layer in the second portion has unevenness, and wherein an uneven pattern is provided under the light-emitting layer in the non-display area.

公开(公告)号：US20180174515A1

公开(公告)日：2018-06-21

申请号：US15832632

申请日：2017-12-05

Applicant: LG Display Co., Ltd.

Inventor： Myung-O JOO ,  Nack-Youn JUNG ,  Jun-Ho YOUN ,  Jeong-Mook CHOI ,  Jun-Young KIM

IPC: G09G3/3233 ,  H01L27/32 ,  H01L51/52 ,  H05B33/10

CPC classification number: G09G3/3233 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3283 ,  H01L51/0003 ,  H01L51/5203 ,  H01L51/5262 ,  H05B33/10

Abstract: An electroluminescent display device includes first and second pixels arranged along a first direction on a substrate; a first groove positioned at a side of the first and second pixels and including a first portion extending along the first direction and a second portion corresponding to a space between the first and second pixels; and a light emitting diode in each of the first and second pixels.

公开(公告)号：US20240179933A1

公开(公告)日：2024-05-30

申请号：US18459303

申请日：2023-08-31

Applicant: LG Display Co., Ltd.

Inventor： Mi-Young HAN ,  Myeong-Seon CHO ,  Nack-Youn JUNG

IPC: H10K50/12 ,  H10K50/125 ,  H10K50/15

CPC classification number: H10K50/12 ,  H10K50/125 ,  H10K50/15 ,  H10K2101/30

Abstract: The present disclosure relates to an organic light emitting diode (OLED) and an organic light emitting device having thereof. The OLED includes an emissive layer with at least one emitting part that includes a green emitting material layer including a first host and a green emitter and a charge control layer including a second host and a dopant of which a maximum luminescence wavelength peak range is longer than a maximum luminescence wavelength of the green emitter. The charge control layer enables the OLED to improve its luminous efficiency, extend its color gamut and maximize its luminous lifespan.

公开(公告)号：US20210202613A1

公开(公告)日：2021-07-01

申请号：US17135831

申请日：2020-12-28

Applicant: LG Display Co., Ltd.

Inventor： Hyuk-Chan GEE ,  Sang-Bin LEE ,  Nack-Youn JUNG ,  Jun-Ho YOUN ,  Jeong-Mook CHOI

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate on which a display area and a non-display area are defined; first, second and third sub-pixel rows in the display area each including a plurality of sub-pixels arranged along a first direction and disposed along a second direction; a light-emitting diode disposed at each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode; a dummy sub-pixel in the non-display area and corresponding to the second sub-pixel row; and a partition wall across the third sub-pixel row along the first direction and disposed on the first electrodes of the third sub-pixel row, wherein a width of the second sub-pixel row along the second direction is larger than a width of the first sub-pixel row and smaller than a width of the third sub-pixel row.

公开(公告)号：US20200185471A1

公开(公告)日：2020-06-11

申请号：US16705007

申请日：2019-12-05

Applicant: LG Display Co., Ltd.

Inventor： Hak-Min LEE ,  Nack-Youn JUNG ,  Hee-Jin KIM ,  Myung-O JOO ,  Sung-Soo PARK ,  Jeong-Mook CHOI

IPC: H01L27/32 ,  H01L51/52

Abstract: 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.

公开(公告)号：US20170194385A1

公开(公告)日：2017-07-06

申请号：US15363915

申请日：2016-11-29

Applicant: LG Display Co., Ltd.

Inventor： Nack-Youn JUNG ,  Heume-Il BAEK ,  Myung-O JOO ,  Jeong-Mook CHOI ,  Yun-Joo JO

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

CPC classification number: H01L27/3206 ,  G02F2001/136222 ,  H01L27/14645 ,  H01L27/3211 ,  H01L27/3216 ,  H01L27/3218 ,  H01L27/322 ,  H01L27/3246 ,  H01L51/0072 ,  H01L51/0085 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5088 ,  H01L51/5265 ,  H01L2251/558

Abstract: An organic light-emitting diode display device according to an embodiment includes a substrate on which red, green and blue sub-pixel regions are defined, first electrodes in the red, green and blue sub-pixel regions, respectively, and first, second and third light-emitting layers on the first electrodes in the red, green and blue sub-pixel regions, respectively. The organic light-emitting diode display device further includes a second electrode on the first, second and third light-emitting layers, and red, green and blue color filters disposed on the second electrode and corresponding to the red, green and blue sub-pixel regions, respectively, wherein a thickness of the first light-emitting layer is smaller than a thickness of the second light emitting layer.

公开(公告)号：US20220181414A1

公开(公告)日：2022-06-09

申请号：US17678085

申请日：2022-02-23

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

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：US20210193761A1

公开(公告)日：2021-06-24

申请号：US17115358

申请日：2020-12-08

Applicant: LG Display Co., Ltd.

Inventor： Hyuk-Chan GEE ,  Sang-Bin LEE ,  Nack-Youn JUNG ,  Jeong-Mook CHOI ,  Sung-Jin PARK

IPC: H01L27/32

Abstract: An electroluminescent display device includes a substrate including a first pixel column and a second pixel column that respectively include first pixels and second pixels arranged in a first direction and respectively have a first width and a second width in a second direction, wherein the second pixel column is positioned in the second direction from the first pixel column, and the second width is greater than the first width; a light emitting diode in each first pixel and each second pixel and including a first electrode, a light emitting layer and a second electrode; a first bank positioned between adjacent first pixels and between adjacent second pixels and covering an edge of the first electrode; a second bank positioned between the first and second pixel columns; and a first partition wall across the second pixel column along the first direction and positioned on the first electrode.

公开(公告)号：US20200176532A1

公开(公告)日：2020-06-04

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

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.