公开(公告)号：US12167645B2

公开(公告)日：2024-12-10

申请号：US17462967

申请日：2021-08-31

Applicant: LG Display Co., Ltd.

Inventor： JeongGi Yun ,  Taehwan Kim ,  Nam-Yong Kim ,  Jonghan Park

IPC: H01L21/78 ,  H10K59/122 ,  H10K59/124 ,  H10K59/35

Abstract: A display device according to an example of the present disclosure includes a substrate in which an emission area and a non-emission area are divided and a plurality of sub-pixels are defined, an insulating layer disposed on the substrate, a first electrode disposed in each of the plurality of sub-pixels, a bank disposed on the insulating layer and exposing the first electrode through an opening thereof, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The bank includes exposed side surfaces by removing one area thereof between the plurality of sub-pixels, an undercut structure inwardly from lower ends of the exposed side surfaces. The bank further includes exposed side surfaces by removing an area thereof between the plurality of sub-pixels, and a trench structure by removing a portion of a thickness of the insulating layer.

公开(公告)号：US11968877B2

公开(公告)日：2024-04-23

申请号：US18056632

申请日：2022-11-17

Applicant: LG Display Co., Ltd.

Inventor： Jeonggi Yun ,  Taehwan Kim ,  Jonghan Park ,  Yong-Il Kim

IPC: G06F3/044 ,  H10K59/35 ,  H10K59/40

CPC classification number: H10K59/40 ,  G06F3/0446 ,  H10K59/351 ,  H10K59/353 ,  G06F2203/04111

Abstract: A transparent display device is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may make sure of separating a touch sensor electrode of a touch sensor from a cathode electrode of a light emitting element. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas, a plurality of light emitting elements respectively disposed in the plurality of light emission areas on the substrate, including an anode electrode, a light emitting layer and a cathode electrode, a plurality of touch sensors respectively disposed in the plurality of transmissive areas on the substrate, including a touch sensor electrode, and a first undercut structure disposed along an edge of the transmissive area to separate the cathode electrode from the touch sensor electrode, including a plurality of eaves.

公开(公告)号：US12153768B2

公开(公告)日：2024-11-26

申请号：US18058238

申请日：2022-11-22

Applicant: LG Display Co., Ltd.

Inventor： JeongGi Yun ,  Taehwan Kim ,  Jonghan Park

IPC: G06F3/044 ,  G06F3/041 ,  H10K59/12 ,  H10K59/40

Abstract: Disclosed is a transparent display device comprising a substrate including a transmission area and a non-transmission area including a light emission area in which a light emitting element is disposed, a touch sensor disposed over the transmission area of the substrate, a touch sensor line disposed over the non-transmission area of the substrate and extended in a first direction, a touch sensor connection line extending in a second direction, a touch sensor contact portion disposed in the transmission area and configured to electrically connect the touch sensor and the touch sensor connection line to each other, and a touch sensor bridge pattern disposed between the touch sensor contact portion and the touch sensor connection line.

公开(公告)号：US20240206237A1

公开(公告)日：2024-06-20

申请号：US18389061

申请日：2023-11-13

Applicant: LG Display Co., Ltd.

Inventor： EunYoung Park ,  SeungHee Nam ,  YunHo Kook ,  Jonghan Park ,  Chaewoon Lee

IPC: H10K59/122 ,  G09G3/3233 ,  H10K59/80

CPC classification number: H10K59/122 ,  G09G3/3233 ,  H10K59/80515 ,  H10K59/80518 ,  H10K59/878 ,  G09G2300/0842

Abstract: A display device may include: a substrate including a plurality of sub-pixels, including a first sub-pixel; an insulating layer disposed over the substrate and having a first open area in the first sub-pixel, the insulating layer having a side portion facing the first open area in the first sub-pixel; an anode electrode including a first portion disposed in the first open area and a second portion disposed on the side portion of the insulating layer; an organic layer on the anode electrode; and a cathode electrode on the organic layer. The first open area of the insulating layer may have an uneven outer edge in a plan view.