公开(公告)号：US20200350380A1

公开(公告)日：2020-11-05

申请号：US16932417

申请日：2020-07-17

Applicant: LG Display Co., Ltd.

Inventor： Sunmi LEE ,  JungSun BEAK ,  Seongjoo LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel and an organic light emitting display device with enhanced light extraction efficiency is described. The display panel and the display device include an insulating film including at least one concave portion, a first electrode disposed to cover the concave portion, a bank including a first part on the first electrode and overlapping a part of the flat portion of the concave portion, a second part extending from the first part and overlapping an inclined portion of the concave portion, and a third part extending from the second part and disposed on the side portion, an organic layer overlapping the concave portion, and a second electrode on the organic layer and the bank. A width of the first part of the bank is wider than a width of the second part of the bank. Thus, it is possible to provide a display device with enhanced light extraction efficiency.

公开(公告)号：US20220262868A1

公开(公告)日：2022-08-18

申请号：US17736515

申请日：2022-05-04

Applicant: LG Display Co., Ltd.

Inventor： JungSun BEAK ,  Seongjoo LEE ,  Sunmi LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: The present disclosure relates to a display panel. More specifically, the display panel is configured to surround an opening area, includes a reflective electrode including an inclined surface, and therefore provides increased luminous efficiency.

公开(公告)号：US20220246700A1

公开(公告)日：2022-08-04

申请号：US17727566

申请日：2022-04-22

Applicant: LG Display Co., Ltd.

Inventor： Sunmi LEE ,  JungSun BEAK ,  Seongjoo LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel and an organic light emitting display device with enhanced light extraction efficiency is described. The display panel and the display device include an insulating film including at least one concave portion, a first electrode disposed to cover the concave portion, a bank including a first part on the first electrode and overlapping a part of the flat portion of the concave portion, a second part extending from the first part and overlapping an inclined portion of the concave portion, and a third part extending from the second part and disposed on the side portion, an organic layer overlapping the concave portion, and a second electrode on the organic layer and the bank. A width of the first part of the bank is wider than a width of the second part of the bank. Thus, it is possible to provide a display device with enhanced light extraction efficiency.

公开(公告)号：US20160133653A1

公开(公告)日：2016-05-12

申请号：US14934242

申请日：2015-11-06

Applicant: LG Display Co., Ltd.

Inventor： Minjoo KIM ,  Kyoungjin NAM ,  Seongjoo LEE

IPC: H01L27/12

CPC classification number: H01L27/1248 ,  G02F1/133345 ,  G02F1/1339 ,  G02F1/13454 ,  G02F2001/133357

Abstract: Provided is a flat panel display. A flat panel display includes: a lower panel defining a display area and a non-display area, a driver element and a line within the non-display area, a planar layer covering the lower panel, a first trench at the planar layer over the driver element and the line, a lower alignment layer on an upper surface of the planar layer and a lower surface of the first trench, the lower alignment layer exposing some upper surface of the planar layer at the first trench, and a sealant at the first trench.

Abstract translation: 提供一种平板显示器。 平板显示器包括：限定显示区域和非显示区域的下面板，非显示区域内的驱动元件和线，覆盖下面板的平面层，平面层上的第一沟槽， 驱动元件和线，在平面层的上表面上的下取向层和第一沟槽的下表面，下取向层暴露第一沟槽处的平面层的一些上表面，以及在第一沟槽处的密封剂 沟。

公开(公告)号：US20240431153A1

公开(公告)日：2024-12-26

申请号：US18829039

申请日：2024-09-09

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na KIM ,  Namseok YOO ,  JungSun BEAK ,  Seongjoo LEE ,  Sunmi LEE

IPC: H10K59/122 ,  H10K50/818 ,  H10K50/844 ,  H10K59/35

Abstract: An organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.

公开(公告)号：US20240357896A1

公开(公告)日：2024-10-24

申请号：US18762511

申请日：2024-07-02

Applicant: LG Display Co., Ltd.

Inventor： Sunmi LEE ,  JungSun BAEK ,  NamYong KIM ,  GoEun LIM ,  Seongjoo LEE ,  Seungpyo HONG ,  Hyojae LEE

IPC: H10K59/35 ,  H10K50/818 ,  H10K50/84 ,  H10K59/122 ,  H10K59/40

CPC classification number: H10K59/352 ,  H10K50/818 ,  H10K50/84 ,  H10K59/122 ,  H10K59/40

Abstract: The present disclosure relates to display panels and display devices including the display panels, and for example, to a display panel with excellent luminance and a display device including the display panel. In one aspect, the display panel may include an insulating film having an inclined portion with a high-inclined portion. In another aspect, the display panel may include a plurality of touch electrodes on the encapsulation layer having an open area. In a plan view, at least two of the open areas respectively include at least two light emitting areas, and a size of the at least two light emitting areas of a first sub-pixel is different from a size of the at least two light emitting areas of a second sub-pixel.

公开(公告)号：US20230059253A1

公开(公告)日：2023-02-23

申请号：US17863177

申请日：2022-07-12

Applicant: LG Display Co., Ltd.

Inventor： JungSun BAEK ,  Seongjoo LEE ,  ChangHyun SONG ,  Seungpyo HONG

IPC: H01L27/32

Abstract: According to an aspect of the present disclosure, a display device includes a substrate including a plurality of sub-pixels, an overcoating layer on the substrate and including a base portion and a plurality of protrusions having a groove, a first electrode corresponding to each of the plurality of sub-pixels and covering the base portion and the plurality of protrusions, a bank on a portion of the first electrode, an organic layer on the first electrode and the bank, a second electrode on the organic layer, and a dummy organic layer and a dummy conductive layer in the groove. The groove can be disposed between the plurality of sub-pixels, and an end of the bank can overlap the groove.

公开(公告)号：US20240224601A1

公开(公告)日：2024-07-04

申请号：US18388379

申请日：2023-11-09

Applicant: LG Display Co., Ltd.

Inventor： Seongjoo LEE ,  SeungHee NAM ,  JungSun BAEK ,  Yongmin KIM ,  Seungpyo HONG ,  Yooji HWANG

IPC: H10K59/122 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/80515 ,  H10K59/80518 ,  H10K59/878

Abstract: A subpixel for a display device can include a transistor disposed on a substrate; a first planarization layer disposed on the transistor, the first planarization layer including a concave portion that corresponds to an emission area of the subpixel; an anode electrode disposed in the concave portion of the first planarization layer, a light emitting layer disposed on the anode electrode; and a bank disposed on the anode electrode. Also, a portion of the bank is disposed in the concave portion of the first planarization layer in an area between a portion of light emitting layer and a portion of an inclined side surface of the anode electrode.

公开(公告)号：US20230380221A1

公开(公告)日：2023-11-23

申请号：US18357911

申请日：2023-07-24

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Kim ,  Namseok YOO ,  JungSun BEAK ,  Seongjoo LEE ,  Sunmi LEE

IPC: H10K59/122 ,  H10K50/818 ,  H10K50/844 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K50/818 ,  H10K50/844 ,  H10K59/353

Abstract: A display device, such an organic light emitting display device is disclosed. The display device includes an insulating film including a concave portion in an area of at least one subpixel, a first electrode on a side portion of the concave portion and on the concave portion in an area of the subpixel, an organic layer overlapping the concave portion and on the first electrode. An organic layer disposed in the at least one blue subpixel may include at least one of a first light emitting dopant with a maximum emission wavelength of 457 nm or less, a second light emitting dopant with a full width at half maximum (FWHM) of 30 nm or less, and/or a third light emitting dopant with the maximum emission wavelength of 457 nm or less and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.

公开(公告)号：US20230077261A1

公开(公告)日：2023-03-09

申请号：US17898170

申请日：2022-08-29

Applicant: LG Display Co., Ltd.

Inventor： JungSun BAEK ,  Seongjoo LEE ,  ChangHyun SONG ,  Seungpyo HONG

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device is disclosed. The display device includes: a substrate including a plurality of sub-pixels; an auxiliary line disposed between the plurality of sub-pixels on the substrate; an overcoating layer including a base part having an opening that exposes the auxiliary line and a plurality of protrusion parts protruding from the base part; a first electrode corresponding to each of the plurality of sub-pixels and covering the base part and the plurality of protrusion parts; a bank on a part of the first electrode; an organic layer on the first electrode and the bank; and a second electrode on the organic layer and in contact with the auxiliary line exposed through the opening. An end portion of the bank overlaps with the opening.