公开(公告)号：US11355565B2

公开(公告)日：2022-06-07

申请号：US16548680

申请日：2019-08-22

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：US11289557B2

公开(公告)日：2022-03-29

申请号：US16984959

申请日：2020-08-04

Applicant: LG Display Co., Ltd.

Inventor： Mi-Na Kim ,  Namseok Yoo ,  JungSun Baek ,  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：US12238964B2

公开(公告)日：2025-02-25

申请号：US18480351

申请日：2023-10-03

Applicant: LG Display Co., Ltd.

Inventor： JungSun Baek ,  Taehwan Kim ,  Sunmi Lee ,  Hyeonchul Im

IPC: H10K59/40 ,  G06F3/041 ,  G06F3/044 ,  H10K50/818 ,  H10K50/858 ,  H10K59/122 ,  H10K59/124 ,  H10K50/824 ,  H10K102/00

Abstract: Discussed is a touch display device that can include a substrate including an active area and a non-active area, a transistor disposed on the substrate, a sub-pixel electrically connected to the transistor, and including an organic light emitting diode, an encapsulation layer disposed on the organic light emitting diode, a planarization layer disposed on the encapsulation layer, and a plurality of touch electrodes disposed between the encapsulation layer and the planarization layer, the plurality of touch electrodes including an open area. The planarization layer can include a thickness variation at the open area of the plurality of touch electrodes.

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：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.