公开(公告)号：US10916701B2

公开(公告)日：2021-02-09

申请号：US16171105

申请日：2018-10-25

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyungseok Bang ,  Hansun Park ,  Hyeongjun Lim

IPC: H01L51/00 ,  C23C14/56 ,  C23C14/04 ,  C23C14/28 ,  H01L51/56 ,  H01L27/32 ,  C23C14/12

Abstract: An ultra-fine pattern deposition apparatus can include a base substrate; a photothermal converter disposed on or in the base substrate and configured to convert optical energy into thermal energy; a source part disposed on the photothermal converter; and a light reflector configured to reflect light based on a refractive index difference between the light reflector and the base substrate, and guide a source material emitted from the source part to a target region based on an opening in the light reflector and the photothermal converter being heated with the thermal energy from the photothermal converter, in which the opening in the light reflector includes a laterally recessed lower part and an upper part protruded from the laterally recessed lower part, and the laterally recessed lower part is between the upper part and the base substrate, and the photothermal converter is disposed between base substrate and the source part.

公开(公告)号：US11895892B2

公开(公告)日：2024-02-06

申请号：US17561211

申请日：2021-12-23

Applicant: LG Display Co., Ltd.

Inventor： Hyeongjun Lim ,  Ho-Jin Kim

IPC: H10K59/35 ,  H10K50/818

CPC classification number: H10K59/353 ,  H10K50/818 ,  H10K59/351

Abstract: A display apparatus can include a substrate including a plurality of subpixels and a plurality of contact portions provided on one side of each of the plurality of subpixels, an insulating layer provided on the substrate, a first electrode provided in each of the plurality of subpixels and each of the plurality of contact portions on the insulating layer, a fence provided on the first electrode, a light emitting layer provided on the insulating layer, the fence, and the first electrode, a second electrode provided on the light emitting layer, a filling layer provided on the second electrode, and a trench provided in the fence and the insulating layer. The trench can include a first trench provided between the contact portions adjacent to each other and a second trench provided between the subpixels adjacent to each other.

公开(公告)号：US11302885B2

公开(公告)日：2022-04-12

申请号：US16519442

申请日：2019-07-23

Applicant: LG Display Co., Ltd.

Inventor： Hyeongjun Lim ,  Hansun Park

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

Abstract: An electroluminescent display device includes: a substrate including: a first subpixel, a second subpixel, and a third subpixel, an insulating layer on the substrate, the insulating layer including a trench, a first electrode in each of the first to third subpixels on the insulating layer, an emission layer on the first electrode and the insulating layer, and a second electrode on the emission layer, wherein the trench is in a boundary between the first subpixel and the second subpixel, and wherein the trench is not in a boundary between the second subpixel and the third subpixel.

公开(公告)号：US11223027B2

公开(公告)日：2022-01-11

申请号：US16151470

申请日：2018-10-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Hansun Park ,  Hyungseok Bang ,  Hyeongjun Lim

IPC: H01L29/08 ,  H01L51/52 ,  H01L27/32

Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.

公开(公告)号：US10593903B2

公开(公告)日：2020-03-17

申请号：US16020114

申请日：2018-06-27

Applicant: LG Display Co., Ltd.

Inventor： Hyungseok Bang ,  Jonggeun Yoon ,  Hyeongjun Lim

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/50 ,  H01L27/12 ,  H01L51/56 ,  G09G3/3233

Abstract: Provided is an organic light emitting display panel including a transistor layer, first and second insulation film pattern, an anode electrode, an emission unit, and a cathode electrode. The transistor layer is disposed on a substrate. The first insulation film pattern is disposed at each pixel and disposed on an inter-layer insulation film covering the transistor layer. The second insulation film pattern has an area larger than an area of the first insulation film pattern and covers the first insulation film pattern. The anode electrode covers the second insulation film pattern and is provided with an edge having a round-shaped cross section. The emission unit covers the anode electrode and a cathode electrode is disposed on the emission unit.

公开(公告)号：US20190140212A1

公开(公告)日：2019-05-09

申请号：US16151470

申请日：2018-10-04

Applicant: LG DISPLAY CO., LTD.

Inventor： Hansun Park ,  Hyungseok Bang ,  Hyeongjun Lim

IPC: H01L51/52 ,  H01L27/32

Abstract: The present disclosure includes a substrate, a moisture-transmission delay part, and a protective layer. The substrate includes a display area, and a non-display area disposed outside the display area. The moisture-transmission delay part includes a trench which is formed to surround the display area and which has a cross section in which a lower portion has a width greater than a width of an upper portion. The protective layer covers the display area and the non-display area in which the moisture-transmission delay part is formed.

公开(公告)号：US10236467B2

公开(公告)日：2019-03-19

申请号：US15786433

申请日：2017-10-17

Applicant: LG Display Co., Ltd.

Inventor： TaeHan Park ,  KyungHoon Lee ,  DongHee Yoo ,  Hyeongjun Lim

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: Disclosed is an OLED device capable of reducing the number of manufacturing processes to apply a micro-cavity structure, and a method for manufacturing the same, wherein the OLED device may include a pixel having first to third subpixels, wherein each of the first to third subpixels includes a first electrode including a reflective metal material, an organic light emitting layer on the first electrode, a second electrode disposed on the organic light emitting layer and formed of a transparent metal material, and a semi-transmissive electrode on the second electrode, wherein a distance between the first electrode and the semi-transmissive electrode in the first subpixel, a distance between the first electrode and the semi-transmissive electrode in the second subpixel, and a distance between the first electrode and the semi-transmissive electrode in the third subpixel are different from one another.