公开(公告)号：US20230217773A1

公开(公告)日：2023-07-06

申请号：US18088525

申请日：2022-12-24

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyeong-Jun LIM

IPC: H10K59/38 ,  H10K71/00 ,  H10K50/858 ,  H10K50/844

CPC classification number: H01L27/322 ,  H01L51/56 ,  H01L51/5253 ,  H01L51/5275 ,  H01L27/3244

Abstract: A display apparatus includes: a substrate including a plurality of sub-pixels; an organic light emitting element formed in each of the plurality of sub-pixels; a light control member including a light control pattern disposed in each of the plurality of sub-pixels, and an air layer between adjacent light control patterns; and a color filter layer disposed on the light control member.

公开(公告)号：US20200044001A1

公开(公告)日：2020-02-06

申请号：US16526045

申请日：2019-07-30

Applicant: LG Display Co., Ltd.

Inventor： Hyeong-Jun LIM ,  Doo-Hyn YOON ,  Han-Sun PARK

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes: a substrate; a plurality of pixels on the substrate; an insulating film on the substrate; a bank on the insulating film, wherein the bank partitions the plurality of pixels; a first trench in the bank; and a second trench in the insulating film. A method of manufacturing a display device includes: forming a first lower metal layer and a second metal layer in patterns on a substrate; forming a first insulating film on the first lower metal layer and the second lower metal layer; forming a second insulating film on the first insulating film; forming a first trench to expose the second lower metal layer by performing a first etching process; and forming a second trench by performing a second etching process to etch the second lower metal layer exposed from a bottom of the first trench.

公开(公告)号：US20190189701A1

公开(公告)日：2019-06-20

申请号：US16218435

申请日：2018-12-12

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyung-Seok BANG ,  Ji-Yeon PARK ,  Han-Sun PARK ,  Hyeong-Jun LIM

IPC: H01L27/32 ,  G02F1/1335 ,  H01L51/52 ,  G03H1/02

CPC classification number: H01L27/3209 ,  G02F1/133526 ,  G03H1/02 ,  G03H2001/0216 ,  H01L27/322 ,  H01L51/5206 ,  H01L51/5221 ,  H01L51/5237

Abstract: An electroluminescent display device includes a substrate including first, second, and third sub-pixel regions; an interlayer insulating layer and a passivation layer each separately disposed at the first, second, and third sub-pixel regions on the substrate; a reflective electrode disposed on the passivation layer of each of the first, second, and third sub-pixel regions; first, second, and third dielectric layers disposed corresponding to the first, second, and third sub-pixel regions, respectively, on the reflective electrode; a first electrode disposed on each of the first, second, and third dielectric layers; an insulating pattern covering an edge of the first electrode; a light-emitting layer disposed on the first electrode and the insulating pattern and substantially all over the substrate including the first, second, and third sub-pixel regions; and a second electrode disposed on the light-emitting layer, wherein the first, second, and third dielectric layers have different thicknesses.

公开(公告)号：US20190181202A1

公开(公告)日：2019-06-13

申请号：US16213238

申请日：2018-12-07

Applicant: LG Display Co., Ltd.

Inventor： Hyeong-Jun LIM ,  Ji-Yeon PARK ,  Han-Sun PARK

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

Abstract: An electroluminescent display device includes a substrate including a plurality of pixel regions; an air gap over the substrate and configured to separate the plurality of pixel regions; a first electrode in each of the plurality of pixel regions; an insulating pattern covering an edge of the first electrode; a light emitting portion on the first electrode and the insulating pattern; and a second electrode on the light emitting portion.

公开(公告)号：US20190172874A1

公开(公告)日：2019-06-06

申请号：US16210375

申请日：2018-12-05

Applicant: LG Display Co., Ltd.

Inventor： Hyeong-Jun LIM ,  Han-Sun PARK ,  Hyung-Seok BANG ,  Ji-Yeon PARK

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

Abstract: An electroluminescent display device is disclosed. The disclosed electroluminescent display device includes a substrate including a plurality of pixel regions; a plurality of light emitting diodes spaced apart from each other on the substrate and each corresponding to the plurality of pixel regions, respectively; a plurality of encapsulation films respectively covering each of the light emitting diodes of the plurality of light emitting diodes, wherein the plurality of encapsulation films has a first refractive index; a first partition wall disposed between each of the encapsulation films of the plurality of encapsulation films, wherein the first partition wall corresponds to a boundary between the plurality of pixel regions and has a second refractive index lower than the first refractive index; and a color filter layer disposed on the plurality of encapsulation films and the first partition wall.