公开(公告)号：US20210135166A1

公开(公告)日：2021-05-06

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: H01L51/52 ,  H01L27/32 ,  G06F3/041

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：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：US20240032328A1

公开(公告)日：2024-01-25

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: H10K50/858 ,  G06F3/041 ,  H10K50/818 ,  H10K59/40 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K50/858 ,  G06F3/0412 ,  H10K50/818 ,  H10K59/40 ,  H10K59/122 ,  H10K59/124 ,  G06F2203/04112 ,  G06F3/0446

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：US20230113069A1

公开(公告)日：2023-04-13

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: H01L29/205 ,  G06F3/041 ,  G06F3/044

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：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：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：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：US20210074955A1

公开(公告)日：2021-03-11

申请号：US17016938

申请日：2020-09-10

Applicant: LG Display Co., Ltd.

Inventor： JungSun BAEK ,  Taehwan KIM ,  Sunmi LEE ,  Hyeonchul IM

IPC: H01L51/52 ,  H01L27/32

Abstract: Embodiments of the disclosure relate to an organic light emitting display panel and an organic light emitting display device including the same, and more specifically, to an organic light emitting display panel and an organic light emitting display device which include: an insulation film with at least one concave portion including a flat portion and an inclined portion surrounding the flat portion in at least one subpixel, a first electrode disposed on the concave portion, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, an encapsulation layer disposed on the second electrode, and at least one structure disposed on the encapsulation layer, overlapping at least one light emitting area, and having at least a side surface where a light reflecting member is disposed, thereby enhancing light extraction efficiency.