公开(公告)号：US20230137666A1

公开(公告)日：2023-05-04

申请号：US17968763

申请日：2022-10-18

Applicant: LG Display Co., Ltd.

Inventor： Seongjoo Lee ,  JungSun Baek ,  ChangHyun Song ,  Seungpyo Hong

IPC: H01L27/32 ,  H01L51/52

Abstract: 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 protruding portion; a first electrode covering the base portion and the protruding portion; 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, in which a distance between a side surface of the protruding portion and a side surface of the bank varies for each of the plurality of sub-pixels.

公开(公告)号：US09570478B2

公开(公告)日：2017-02-14

申请号：US14934242

申请日：2015-11-06

Applicant: LG Display Co., Ltd.

Inventor： Minjoo Kim ,  Kyoungjin Nam ,  Seongjoo Lee

IPC: H01L29/10 ,  H01L27/12 ,  G02F1/1333 ,  G02F1/1339 ,  G02F1/1345

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：US20240260314A1

公开(公告)日：2024-08-01

申请号：US18630628

申请日：2024-04-09

Applicant: LG Display Co., Ltd.

Inventor： JungSun Beak ,  Seongjoo Lee ,  Sunmi Lee

IPC: H10K59/121 ,  H10K50/813 ,  H10K50/822 ,  H10K59/122 ,  H10K102/00

CPC classification number: H10K59/121 ,  H10K50/813 ,  H10K50/822 ,  H10K59/122 ,  H10K2102/351

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：US20240244886A1

公开(公告)日：2024-07-18

申请号：US18389073

申请日：2023-11-13

Applicant: LG Display Co., Ltd.

Inventor： Seongjoo Lee ,  SeungHee Nam ,  JungSun Baek ,  Seungpyo Hong

IPC: H10K59/122 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K59/35

Abstract: A display device may include a substrate including a display area configured to display an image and a non-display area outside the display area, and a plurality of subpixels in the display area. The plurality of subpixels may include a first subpixel of a first color, the first subpixel including a first opening corresponding to a first light emission area and a second opening spaced apart from the first opening and corresponding to a second light emission area. The plurality of subpixels may further include a second subpixel of a second color different from the first color and including a third opening corresponding to a third light emission area.

公开(公告)号：US11751437B2

公开(公告)日：2023-09-05

申请号：US17675908

申请日：2022-02-18

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：US20220173183A1

公开(公告)日：2022-06-02

申请号：US17675908

申请日：2022-02-18

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Kim ,  Namseok Yoo ,  JungSun Beak ,  Seongjoo Lee ,  Sunmi Lee

IPC: H01L27/32 ,  H01L51/52

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：US11189815B2

公开(公告)日：2021-11-30

申请号：US16716309

申请日：2019-12-16

Applicant: LG DISPLAY CO., LTD.

Inventor： Mi-Na Kim ,  JungSun Baek ,  Seongjoo Lee ,  Sunmi Lee ,  Namseok Yoo

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel can include a substrate including first, second and third subpixels; an overcoat layer including a first inclined surface in at least one of the first, second and third subpixels; first, second and third anode electrodes corresponding to the first, second and third subpixels, respectively, wherein at least one of the first, second and third anode electrodes includes a second inclined surface overlapping with the first inclined surface of the overcoat layer; first, second and third organic light emitting layers disposed on the first, second and third anode electrodes, respectively; and a bank layer disposed on the overcoat layer, the bank layer including a third inclined surface overlapping with both the first and second inclined surfaces of the overcoat layer and the at least one of the first, second and third anode electrodes, in which at least one of the first, second and third inclined surfaces is configured to reflect light emitted from a corresponding one of the first, second and third organic light emitting layers.

公开(公告)号：US10756288B2

公开(公告)日：2020-08-25

申请号：US16706476

申请日：2019-12-06

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Kim ,  Namseok Yoo ,  JungSun Beak ,  Seongjoo Lee ,  Sunmi Lee

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

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, 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 and the full width at half maximum of 30 nm or less. Thus, a display device with enhanced light extraction efficiency is provided.