公开(公告)号：US20210134929A1

公开(公告)日：2021-05-06

申请号：US17035679

申请日：2020-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Euttum KIM ,  Sangwon YEO

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a display substrate including a plurality of first pads arranged in a first pad area and a plurality of second pads arranged in a second pad area, wherein the first pads and the second pads are arranged in different rows from each other, a circuit board including first circuit pads facing the first pads, respectively, and second circuit pads facing the second pads, respectively, and an adhesive member disposed between the display substrate and the circuit board and including an adhesive layer and a plurality of conductive balls distributed in the adhesive layer. Here, a first density of first conductive balls overlapping the first pad area among the conductive balls is greater that a second density of second conductive balls overlapping the second pad area among the conductive balls.

公开(公告)号：US20240361650A1

公开(公告)日：2024-10-31

申请号：US18765292

申请日：2024-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sujeong KIM ,  Hanho PARK ,  Sangwon YEO ,  Daegeun LEE ,  Joonsam KIM

IPC: G02F1/1345 ,  G06F3/044 ,  H01L23/00 ,  H05K1/11 ,  H10K59/129 ,  H10K59/131 ,  H10K59/40 ,  H10K77/10 ,  H10K102/00

CPC classification number: G02F1/13458 ,  H01L24/06 ,  H10K59/129 ,  H10K59/131 ,  H10K59/40 ,  H10K77/111 ,  G06F3/044 ,  H01L2224/0217 ,  H01L2224/0603 ,  H01L2224/0605 ,  H01L2224/06132 ,  H01L2924/12044 ,  H05K1/111 ,  H05K2201/09409 ,  H05K2201/10128 ,  H10K2102/311

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.

公开(公告)号：US20240258338A1

公开(公告)日：2024-08-01

申请号：US18380698

申请日：2023-10-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHANGSUB JUNG ,  Sangwon YEO

IPC: H01L27/12 ,  G09G3/00

CPC classification number: H01L27/1244 ,  G09G3/006 ,  G09G2330/12

Abstract: A display device including: a first test pad disposed on a substrate; a detection pad disposed on the substrate; a first voltage pad disposed on the substrate and electrically connected to the first test pad; a ground pad disposed on the substrate and electrically connected to the detection pad through a first contact point of the detection pad; and a second voltage pad disposed on the substrate and electrically connected to the detection pad through a second contact point of the detection pad, wherein the second contact point is opposite to the first contact point in a first direction.