公开(公告)号：US11839107B2

公开(公告)日：2023-12-05

申请号：US18082400

申请日：2022-12-15

Applicant: LG Display Co., Ltd.

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

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

CPC classification number: H10K50/858 ,  G06F3/0412 ,  H10K50/818 ,  H10K59/122 ,  H10K59/124 ,  H10K59/40 ,  G06F3/0446 ,  G06F3/04164 ,  G06F2203/04111 ,  G06F2203/04112 ,  H10K50/824 ,  H10K2102/3026

Abstract: A touch display device 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 including a lens unit, and a plurality of touch electrodes disposed between the encapsulation layer and the planarization layer. The plurality of touch electrodes can include an open area. Further, the lens unit can be disposed in the open area of the plurality of touch electrodes.

公开(公告)号：US11456343B2

公开(公告)日：2022-09-27

申请号：US17021514

申请日：2020-09-15

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokWoo Son ,  JungSun Baek ,  Joyeon Kim

IPC: H01L27/32 ,  H01L51/52

Abstract: Embodiments of the disclosure relate to an organic light emitting display panel and organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and organic light emitting display device which includes an insulation film including at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in at least one subpixel of the active area and a first electrode of an organic light emitting diode disposed on a portion of the concave portion and a surrounding portion disposed around the concave portion in the at least one subpixel area and including at least one protrusion on a surface thereof, thereby enhancing light extraction efficiency.

公开(公告)号：US12289964B2

公开(公告)日：2025-04-29

申请号：US18228812

申请日：2023-08-01

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokWoo Son ,  JungSun Baek ,  Joyeon Kim

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

Abstract: A display panel can include a substrate including an active area and a non-active area; a transistor disposed on the substrate; an insulation film disposed on the transistor, the insulation film including at least one concave portion; and a sub-pixel electrically connected to the transistor, the sub-pixel including an organic light emitting diode disposed on the insulation film. Also, the sub-pixel includes at least two light emitting parts and at least one non-light emitting part, and the at least one non-light emitting part is disposed between the at least two light emitting parts, and a surface of the organic light emitting diode includes at least one protrusion located in the at least one non-light emitting part.

公开(公告)号：US20240224766A1

公开(公告)日：2024-07-04

申请号：US18493339

申请日：2023-10-24

Applicant: LG Display Co., Ltd.

Inventor： Yooji Hwang ,  JungSun Baek ,  Yongmin Kim ,  Seungpyo Hong

IPC: H10K59/80 ,  H10K59/35 ,  H10K59/38 ,  H10K59/40

CPC classification number: H10K59/8792 ,  H10K59/353 ,  H10K59/38 ,  H10K59/40 ,  H10K59/80515 ,  H10K59/873 ,  H10K59/878

Abstract: A display device according includes a substrate divided into a plurality of unit areas; a plurality of sub-pixels disposed in each of the plurality of unit areas of the substrate; an encapsulation unit disposed on the plurality of sub-pixels; a black matrix disposed on the encapsulation unit and having an open area corresponding to an emission area of each of the plurality of sub-pixels; and at least one touch electrode disposed on an upper surface and a side surface of the black matrix, thereby performing a touch function and improving light extraction efficiency.

公开(公告)号：US11581515B2

公开(公告)日：2023-02-14

申请号：US17090660

申请日：2020-11-05

Applicant: LG Display Co., Ltd.

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

IPC: G06F3/041 ,  H01L51/52 ,  H01L27/32 ,  G06F3/044

Abstract: Embodiments of the present disclosure relate to a touch display device, and more particularly, provide a touch display device with improved brightness owing to including an insulating film having a concave portion and a planarization layer having a microlens unit.

公开(公告)号：US12063834B2

公开(公告)日：2024-08-13

申请号：US18210426

申请日：2023-06-15

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 more for example, to a display panel with excellent luminance and a display device including the display panel, by including an insulating film having an inclined portion with a high-inclined portion.

公开(公告)号：US11758769B2

公开(公告)日：2023-09-12

申请号：US17892853

申请日：2022-08-22

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokWoo Son ,  JungSun Baek ,  Joyeon Kim

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

CPC classification number: H10K59/122 ,  H10K50/818 ,  H10K59/35

Abstract: A display panel can include a substrate including an active area and a non-active area; a transistor disposed on the substrate; an insulation film disposed on the transistor, the insulation film including at least one concave portion; and a sub-pixel electrically connected to the transistor, the sub-pixel including an organic light emitting diode disposed on the insulation film. The sub-pixel includes at least two light emitting parts and at least one non-light emitting part, and the at least one non-light emitting part is disposed between the at least two light emitting parts. A surface of the organic light emitting diode includes at least one protrusion located in at least one of the at least two light emitting parts.

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：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.