公开(公告)号：US20240072224A1

公开(公告)日：2024-02-29

申请号：US18139848

申请日：2023-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN LEE ,  DONG-HO KIM ,  HAEGOO JUNG ,  JOOHO LIM

IPC: H01L33/62 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L27/124

Abstract: A display device includes: a substrate including a display area and a non-display area positioned around the display area and including a pad area adjacent to one side of the display area, a light emitting element disposed in the display area on the substrate, a pad portion disposed in the pad area on the substrate and including a plurality of output pads, a driving chip, and a control signal line. The driving chip includes a base portion facing the substrate, overlapping the pad area, and including dummy bump areas, an output bump area positioned between the dummy bump areas, and a data output area positioned between the dummy bump areas, a plurality of dummy bumps attached to a lower surface of the base portion and overlapping the dummy bump areas and the output bump area, respectively, a plurality of output bumps attached to the lower surface of the base portion, overlapping the output bump area, and connected in parallel to each other through transistors, and a plurality of detection bumps attached to the lower surface of the base portion, each of the detection bumps is electrically connected to the output bumps and overlapping the output bump area. The control signal line electrically connected through the transistors to the output bumps.

公开(公告)号：US20240339058A1

公开(公告)日：2024-10-10

申请号：US18410841

申请日：2024-01-11

Applicant: Samsung Display Co., LTD.

Inventor： HAEGOO JUNG ,  YEON-SHIL JUNG ,  DONG-HO KIM

IPC: G09G3/00 ,  G06F3/041 ,  G09G3/3208

CPC classification number: G09G3/006 ,  G06F3/0418 ,  G09G3/3208 ,  G09G2310/0262 ,  G09G2330/04 ,  G09G2330/12 ,  G09G2354/00

Abstract: A display panel includes a display panel test circuit including an open-short test transistor including a gate electrode which receives a test gate signal, a first electrode which receives an open-short test voltage, and a second electrode connected to a data line which transmits a data voltage and an electrostatic discharge protection circuit including: a first electrostatic discharge diode including a cathode electrode connected to the data line and an anode electrode which receives a first voltage; a first switching element which determines a minimum voltage of the display panel as the first voltage under a first condition and determines an electrostatic discharge low potential voltage higher than the minimum voltage of the display panel as the first voltage under a second condition; and a second electrostatic discharge diode including a cathode electrode which receives a second voltage and an anode electrode connected to the data line.

公开(公告)号：US20240204155A1

公开(公告)日：2024-06-20

申请号：US18454189

申请日：2023-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： YEON-SHIL JUNG ,  DONG-HO KIM ,  JUNHYUN LEE ,  HWANWOO LEE ,  HAEGOO JUNG

IPC: H01L33/62 ,  G06F3/044 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  G06F3/0446 ,  G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  G09G2310/0275

Abstract: A display module including: a display panel including pixels arranged in a display area, first signal pads arranged in a non-display area and electrically connected to the pixels through signal lines, and second signal pads arranged in the non-display area and spaced farther from the display area than the first signal pads; first insulating patterns arranged at edges of the first signal pads; second insulating patterns arranged at edges of the second signal pads; and an insulating film disposed on the non-display area, wherein the insulating film is spaced apart from the first signal pads and the first insulating patterns, overlaps the edges of the second signal pads, and covers the second insulating patterns.