公开(公告)号：US20250040408A1

公开(公告)日：2025-01-30

申请号：US18658059

申请日：2024-05-08

Applicant: Samsung Display Co., LTD.

Inventor： JOOYOUNG KIM ,  YOUNG-JOO NAM ,  DOHYUN PARK ,  YOUNGJIN PARK

IPC: H10K59/80 ,  H10K59/90

Abstract: A display device includes an array substrate including a display area including pixels, a peripheral area and a pad area, in order in a first direction, driving chips on the array substrate, in the pad area, the driving chips arranged spaced apart from each other along a second direction intersecting the first direction, an encapsulation layer on the array substrate and covering the pixels, the encapsulation layer including a base portion overlapping the display area and the peripheral area, and convex portions protruding from a side of the base portion, in the first direction, the convex portions overlapping the pad area, and a cover member covering the driving chips, in the pad area, the cover member contacting the convex portions of the encapsulation layer.

公开(公告)号：US20230329100A1

公开(公告)日：2023-10-12

申请号：US18167038

申请日：2023-02-09

Applicant: Samsung Display Co., Ltd.

Inventor： SANGHYUN HAN ,  YOUNGJIN PARK ,  HANKYU PAK ,  HEECHOON AHN ,  HYUNAH UM ,  EUNJAE JEONG ,  SEOWON CHO ,  SOHEE JO

IPC: H10K85/60 ,  C07D263/57 ,  C09K11/06 ,  C07D277/66 ,  C07D471/04 ,  C07D413/14 ,  C07D417/14

CPC classification number: H10K85/657 ,  C07D263/57 ,  C09K11/06 ,  H10K85/636 ,  C07D277/66 ,  C07D471/04 ,  C07D413/14 ,  C07D417/14 ,  H10K85/6572 ,  H10K50/11

Abstract: A light emitting element that includes a first electrode, a second electrode, a functional layer between the first electrode and the second electrode, and a capping layer on the second electrode and including an amine compound represented by Formula 1 is provided.




The light emitting element may exhibit high efficiency and high luminance characteristics.

公开(公告)号：US20230300981A1

公开(公告)日：2023-09-21

申请号：US18098374

申请日：2023-01-18

Applicant: Samsung Display Co., Ltd.

Inventor： JOOYOUNG KIM ,  KIHAE SHIN ,  YOUNGJIN PARK ,  HYUNSEOP SONG ,  BYUNGCHUL SHIN

IPC: H05K1/11 ,  G09F9/30

CPC classification number: H05K1/111 ,  G09F9/301 ,  H05K2201/10128 ,  H05K2201/09418

Abstract: A printed circuit board includes: a base member, a first line and a second line disposed on the base member, and a plurality of pad portions disposed on the base member. Each of the plurality of pad portions includes: a first input pad and a second input pad connected to the first line, respectively, and which receives an electrical signal or voltage. Each of the plurality of pad portions includes a first output pad and a second output pad connected to the second line, respectively, and which provide the electrical signal or the voltage to a display panel.

公开(公告)号：US20230129321A1

公开(公告)日：2023-04-27

申请号：US17748389

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNAH UM ,  MINJE KIM ,  YOUNGJIN PARK ,  HEECHOON AHN ,  Juhui YUN ,  YESEUL LEE ,  YIRANG IM

IPC: H01L51/00

Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode disposed on the first electrode, an emission layer disposed between the first electrode and the second electrode, and a double buffer layer including a first layer disposed on the emission layer and a second layer disposed on the first layer. The first layer includes a first compound, the second layer includes a second compound which is different from the first compound, and the first compound and the second compound are each independently represented by Formula 1 or Formula 2, thereby contributing to increased efficiency and increased life of a light emitting element.