公开(公告)号：US20250133887A1

公开(公告)日：2025-04-24

申请号：US18750119

申请日：2024-06-21

Applicant: Samsung Display Co., LTD.

Inventor： Seung Wook KWON ,  Hyo Young MUN ,  Sun Hwa KIM ,  Seung Yong SONG ,  Chang Woo SHIM ,  Sang Tae AHN ,  Yi Seul UM ,  Hee Chang YOON ,  Seung Yeon CHAE

IPC: H01L33/62 ,  H01L33/00 ,  H01L33/56

Abstract: A display device includes a display panel including a display area and a non-display area adjacent to a side of the display area, and a residue trace disposed on the display panel, and disposed on the display area and the non-display area, wherein an outer boundary of the residue trace is adjacent to an edge portion of the display panel, and disposed to be closer to a center portion of the display panel than the edge portion of the display panel.

公开(公告)号：US20240260360A1

公开(公告)日：2024-08-01

申请号：US18520673

申请日：2023-11-28

Applicant: Samsung Display Co., LTD.

Inventor： Duck Jung LEE ,  Hye Jin GWARK ,  Jae Ik KIM ,  Hwi KIM ,  Jung Sun PARK ,  Seung Yong SONG ,  Yeon Hwa LEE ,  Joon Gu LEE

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/122

Abstract: A display device includes: a pixel circuit layer including a base layer, a pixel circuit, and a passivation layer including a well area and a protrusion area; and a light-emitting-element layer disposed on the pixel circuit layer, and including a light emitting element, and a connecting electrode, the light emitting element including a first electrode, a second electrode, and an emission part. The connecting electrode is disposed in the protrusion area, and at least a portion of the connecting electrode overlaps the well area and does not contact the passivation layer. The emission part includes a hole layer, an electron layer, and an emission layer. The hole layer connects the first electrode and the emission layer. The electron layer connects the second electrode and the emission layer. Each of the hole layer and the second electrode has an end portion on the connecting electrode.

公开(公告)号：US20220149126A1

公开(公告)日：2022-05-12

申请号：US17470346

申请日：2021-09-09

Applicant: Samsung Display Co., LTD.

Inventor： Woo Yong SUNG ,  Chan Ho MOON ,  Jung Han SEO ,  Seung Yong SONG

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes a first electrode disposed on a substrate, a pixel defining layer exposing at least a part of the first electrode and disposed on the substrate, a light emitting layer disposed on the first electrode, a second electrode disposed on the light emitting layer, and an encapsulation layer disposed on the second electrode, wherein the pixel defining layer includes an overlapping area overlapping the first electrode and a non-overlapping area not overlapping the first electrode, the overlapping area includes a first overlapping area spaced apart from the first electrode and facing the first electrode, and the encapsulation layer is at least partially disposed in a space between the first electrode and the pixel defining layer in the first overlapping area.

公开(公告)号：US20220139962A1

公开(公告)日：2022-05-05

申请号：US17370477

申请日：2021-07-08

Applicant: Samsung Display Co., LTD.

Inventor： Se Hoon JEONG ,  Seung Yong SONG ,  Seung Wook KWON ,  Woo Yong SUNG ,  Jeong Seok LEE

IPC: H01L27/12 ,  H01L51/52 ,  H01L23/00 ,  H01L51/56 ,  H01L25/16 ,  H01L27/32

Abstract: A display device includes a substrate including a first surface and a second surface, pixels and first lines disposed on the first surface of the substrate, a first protective layer disposed on the second surface of the substrate and overlapping the pixels and the first lines, via holes penetrating the substrate and the first protective layer and exposing an area of each of the first lines, second lines disposed on a surface of the first protective layer and electrically connected to the first lines through the via holes, respectively, and pads disposed on the surface of the first protective layer and electrically connected to the second lines, respectively. The first protective layer includes openings corresponding to the via holes and also includes a photoresist material.

公开(公告)号：US20210325787A1

公开(公告)日：2021-10-21

申请号：US16952953

申请日：2020-11-19

Applicant: Samsung Display Co., Ltd. ,  POSTECH Research and Business Development Foundation

Inventor： Sung Soon IM ,  Jong Kyu KIM ,  Jeong Hyeon PARK ,  Seung Yong SONG ,  Duck Jung LEE ,  Jong Won LEE

IPC: G03F7/20 ,  H01L27/15 ,  H01L27/12 ,  H01L51/56 ,  H01L51/00

Abstract: Provided are an exposure apparatus including a light source unit which provides light for exposure and comprises micro light emitting diodes arranged in a matrix form; a substrate transfer unit which transfers a target substrate; and a control unit which controls at least one of the light source unit and the substrate transfer unit. The control unit allocates coordinates or an address to each micro light emitting diode and individually controls an amount of light of each micro light emitting diode according to a preset pattern based on the coordinates or the address.

公开(公告)号：US20250143092A1

公开(公告)日：2025-05-01

申请号：US18761593

申请日：2024-07-02

Applicant: Samsung Display Co., LTD.

Inventor： Woo Yong SUNG ,  Seung Yong SONG ,  Hee Jun YANG ,  Jeong Seok LEE

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/131 ,  H10K59/80

Abstract: A display device includes a substrate including an emission area including first and second emission portions, and a non-emission area between the first and second emission portions; a first light-emitting member including a first display element on the first emission portion of the substrate; a first thin-film encapsulation layer on the first light-emitting member; and a second light-emitting member on the first thin-film encapsulation layer and including a second display element overlapping the second emission portion, wherein the first light-emitting member includes a first pixel-defining layer defining a first opening; and a bank member on the first pixel-defining layer and including a first bank layer and a second bank layer, the second display element overlaps the first pixel-defining layer and the bank member in a direction perpendicular to the substrate, and the second display element is in contact with the second bank layer in a direction toward the substrate.

公开(公告)号：US20250089530A1

公开(公告)日：2025-03-13

申请号：US18733743

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Oh June KWON ,  Woo Yong SUNG ,  Seung Yong SONG

IPC: H10K59/80 ,  H10K77/10 ,  H10K102/00

Abstract: A display device includes: a substrate including a flat portion and a bending portion disposed on a side of the flat portion; a light emitting element layer disposed on the substrate and including light emitting elements disposed in the flat portion and the bending portion; and an encapsulation layer disposed over the flat portion and the bending portion and including a first inorganic encapsulation layer disposed on the light emitting element layer, an organic encapsulation layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic encapsulation layer. At least a portion of the organic encapsulation layer disposed in the bending portion includes a portion protruding in a direction upward from the substrate, and a maximum height of the organic encapsulation layer disposed in the bending portion is greater than a maximum height of the organic encapsulation layer disposed in the flat portion.

公开(公告)号：US20250078708A1

公开(公告)日：2025-03-06

申请号：US18636341

申请日：2024-04-16

Applicant: Samsung Display Co., LTD.

Inventor： Oh June KWON ,  Woo Yong SUNG ,  Seung Yong SONG

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

Abstract: A display device includes a display panel including a folding area, and a display driving circuit which drives image display pixels of the display panel, where the display panel includes a display layer, in which the image display pixels are disposed, an elasticity control layer disposed on the display layer and having an area corresponding to the area of the folding area, and a touch sensing unit disposed on the elasticity control layer to detect a user's touch.

公开(公告)号：US20250040375A1

公开(公告)日：2025-01-30

申请号：US18779082

申请日：2024-07-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hwi KIM ,  Hye Jin GWARK ,  Jae Ik KIM ,  Jung Sun PARK ,  Seung Yong SONG ,  Duck Jung LEE ,  Yeon Hwa LEE ,  Joon Gu LEE

IPC: H10K59/131 ,  H01L27/12 ,  H10K59/12 ,  H10K59/121 ,  H10K59/88 ,  H10K71/60

Abstract: A display device may include: a connection pattern and a dummy pattern disposed to be spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer disposed on the pixel electrode; a control layer disposed on the light emitting layer; and a common electrode disposed on the control layer. The dummy pattern may include a first conductive layer, a second conductive layer, a third conductive layer, a fourth conductive layer, and a fifth conductive layer sequentially disposed. The first conductive layer, the third conductive layer, and the fifth conductive layer may include the same material. The second conductive layer and the fourth conductive layer may include the same material. The first, third, fifth conductive layers and the second and fourth conductive layers may include different materials.

公开(公告)号：US20250031552A1

公开(公告)日：2025-01-23

申请号：US18584297

申请日：2024-02-22

Applicant: Samsung Display Co., LTD.

Inventor： Jeong Seok LEE ,  Woo Yong SUNG ,  Hee Jun YANG ,  Seung Yong SONG

IPC: H10K59/80 ,  H10K59/12 ,  H10K59/122

Abstract: A display device includes a first pixel electrode disposed on a substrate; a pixel defining layer disposed on the substrate and exposing the first pixel electrode; a first light emitting layer disposed on the first pixel electrode; a first common electrode disposed on the first light emitting layer; a first bank layer disposed on the pixel defining layer; a second bank layer disposed on the first bank layer and having side surfaces protruding more than side surfaces of the first bank layer; a first inorganic layer disposed on the first common electrode and the second bank layer and spaced apart from an upper surface of the second bank layer; and a first filler disposed between the second bank layer and the first inorganic layer and including a material different from a material of the first light emitting layer.