公开(公告)号：US20240339576A1

公开(公告)日：2024-10-10

申请号：US18417997

申请日：2024-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： MYONGHOON ROH ,  EUI JEONG KANG ,  HANHO PARK ,  DAEGEUN LEE ,  JOONGMOK LEE ,  EUNJEONG JEON

IPC: H01L33/62 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L25/0753

Abstract: A circuit board includes a plurality of insulating layers, at least one conductive layer disposed between the plurality of insulating layers, a connection pad disposed under the conductive layer, a signal line disposed under the conductive layer and electrically connected to the connection pad, and a protective layer disposed under the conductive layer and having a lower surface positioned in a same plane as a lower surface of the connection pad.

公开(公告)号：US20220005915A1

公开(公告)日：2022-01-06

申请号：US17226880

申请日：2021-04-09

Applicant: Samsung Display Co., LTD.

Inventor： EUNBYUL KIM ,  DAEGEUN LEE ,  SUKHO CHOI

IPC: H01L27/32 ,  H05K1/18

Abstract: A display device includes a display panel including a plurality of display pads, a portion of the plurality of display pads being extended along a first direction and arranged along a second direction intersecting the first direction, and a flexible circuit board including a plurality of substrate pads electrically connected to the plurality of display pads, and a plurality of dummy pads spaced apart from the plurality of substrate pads and arranged in parallel to the plurality of substrate pads along the second direction, a portion of the plurality of dummy pads have an extension length in the first direction and a width in the second direction substantially same as an extension length in the first direction and a width in the second direction, respectively, of the plurality of substrate pads.

公开(公告)号：US20180040576A1

公开(公告)日：2018-02-08

申请号：US15619526

申请日：2017-06-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SUJEONG KIM ,  HANHO PARK ,  SANGWON YEO ,  DAEGEUN LEE ,  JOONSAM KIM

IPC: H01L23/00 ,  H01L27/32 ,  H01L51/00

CPC classification number: H01L24/06 ,  G02F1/13458 ,  G06F3/044 ,  H01L27/323 ,  H01L27/3255 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2224/0217 ,  H01L2224/0603 ,  H01L2224/0605 ,  H01L2224/06132 ,  H01L2251/5338 ,  H01L2924/12044 ,  H05K1/111 ,  H05K2201/09409 ,  H05K2201/10128

Abstract: A display device including a display panel including a base layer, a circuit layer disposed on the base layer, and a pad part having a plurality of pads disposed on the base layer; and a driving chip disposed on the pad part and including a plurality of chip pads. The plurality of pads include a first pad having a smaller area than a corresponding chip pad among the plurality of chip pads and a second pad electrically connected to the circuit layer.