公开(公告)号：US20250151336A1

公开(公告)日：2025-05-08

申请号：US18752965

申请日：2024-06-25

Applicant: Samsung Display Co., LTD.

Inventor： Hiroshi OKUMURA ,  Dong Gyu JIN ,  Da Woon JUNG

IPC: H01L29/786 ,  H01L29/66 ,  H10K59/121

Abstract: Provided are a thin-film transistor, a display device including the thin-film transistor, and a method of fabricating the thin-film transistor. The thin-film transistor includes a semiconductor layer disposed on a substrate; and a gate electrode disposed on a gate insulating layer which covers the semiconductor layer, where the gate electrode overlaps a portion of the semiconductor layer. The semiconductor layer includes a channel portion overlapped by the gate electrode, a first electrode portion connected to an end of the channel portion and a second electrode portion connected to another end of the channel portion, a portion of the gate insulating layer between the channel portion and the gate electrode has a first thickness, and another portion of the gate insulating layer has a second thickness smaller than the first thickness.

公开(公告)号：US20240122029A1

公开(公告)日：2024-04-11

申请号：US18366809

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min CHO ,  Da Woon JUNG ,  Kab Jong SEO ,  Yu Gwang JEONG ,  Yun Jong YEO ,  Yang Ho JUNG

IPC: H10K59/65 ,  G06V40/13 ,  H10K59/12 ,  H10K59/126 ,  H10K59/40

CPC classification number: H10K59/65 ,  G06V40/1318 ,  H10K59/1201 ,  H10K59/126 ,  H10K59/40

Abstract: A display device includes a substrate, a light emitting element layer disposed on the substrate and including a plurality of light emitting areas each including a light emitting element that emits light, an encapsulation layer disposed on the light emitting element layer, and a light control layer disposed on the encapsulation layer, wherein the light control layer includes a light transmitting film that transmits the light and a light blocking film that blocks the light, and the light transmitting film includes, a first light transmitting portion overlapping the light blocking film in a thickness direction of the substrate, and a plurality of second light transmitting portions each surrounded by the light blocking film, and a thickness of the light blocking film is greater than a thickness of the first light transmitting portion.

公开(公告)号：US20250133922A1

公开(公告)日：2025-04-24

申请号：US18768162

申请日：2024-07-10

Applicant: Samsung Display Co., LTD.

Inventor： Kyong Chol LEE ,  Yun Jong YEO ,  Da Woon JUNG ,  Jae Woo JEONG ,  Hyun Min CHO

IPC: H10K59/126 ,  H10K59/12

Abstract: A display device and method for manufacturing the display device includes, a substrate, a light emitting element layer disposed on the substrate and including at least one light emitting element, and a light control layer disposed on the light emitting element layer, wherein the light control layer includes, a plurality of light blocking films disposed to be spaced apart from each other, at least one bridge connecting at least two of the plurality of light blocking films, and a light transmitting film disposed between the plurality of light blocking films and the bridge.

公开(公告)号：US20240188336A1

公开(公告)日：2024-06-06

申请号：US18371132

申请日：2023-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Dae Won CHOI ,  Yun Jong YEO ,  Su Bin BAE ,  Da Woon JUNG

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

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/80515 ,  H10K59/80521

Abstract: A display device includes first pixel and second electrodes spaced apart from each other on a substrate, an inorganic insulating layer on the substrate and partially covering the first pixel electrode and the second pixel electrode, residual patterns disposed between the first or second pixel electrodes and the inorganic insulating layer, a bank structure on the inorganic insulating layer with first and second openings defined therethrough to overlap the first and second pixel electrodes, first and second light emitting layers on the first and second pixel electrodes, first and second common electrodes on the first and second light emitting layers, and first and second inorganic layers on the first and second common electrodes in the first and second openings. The bank structure includes first and second bank layers including different metal materials, and the second bank layer includes tips protruding to a center of the first or second opening.

公开(公告)号：US20230180526A1

公开(公告)日：2023-06-08

申请号：US17880744

申请日：2022-08-04

Applicant: Samsung Display Co., LTD.

Inventor： Dae Won CHOI ,  Sang Gab KIM ,  Su Bin BAE ,  Yun Jong YEO ,  Da Woon JUNG ,  Yu Gwang JEONG

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/56 ,  H01L2251/308 ,  H01L2227/323

Abstract: A display panel includes: a plurality of first electrodes disposed on a via-layer and corresponding to a plurality of pixel areas, respectively; a pixel-defining layer disposed on the via-layer; first opening parts corresponding to central portions of the first electrodes and penetrating through the pixel-defining layer; electrode undercuts corresponding to edges of the first opening parts and provided as gaps between the first electrodes and the pixel-defining layer; a plurality of second opening parts corresponding to peripheries of the first electrodes, respectively, and penetrating through the pixel-defining layer; and via-grooves corresponding to the second opening parts and defined on an upper surface of the via-layer; via-undercuts provided by the pixel-defining layer around the second opening parts and the via-layer around the via-grooves.

公开(公告)号：US20230054453A1

公开(公告)日：2023-02-23

申请号：US17735294

申请日：2022-05-03

Applicant: Samsung Display Co., LTD.

Inventor： Su Bin BAE ,  Yun Jong YEO ,  Da Woon JUNG ,  Yu Gwang JEONG

IPC: H01L25/16 ,  H01L33/62 ,  H01L23/00

Abstract: A display device includes a first electrode and a second electrode, a first insulating layer covering the first electrode and the second electrode, light emitting elements disposed on the first insulating layer, a first connection electrode disposed on the first electrode and contacting an end of each of the light emitting elements, a second connection electrode spaced apart from the first connection electrode and disposed on the second electrode and contacting another end of each of the light emitting elements, a second insulating layer disposed on the first insulating layer and at least partially covering the first connection electrode and the second connection electrode, and a third insulating layer disposed on part of the second insulating layer, wherein the second insulating layer comprises an opening overlapping a part between the first connection electrode and the second connection electrode spaced apart from each other.

公开(公告)号：US20250160140A1

公开(公告)日：2025-05-15

申请号：US18933028

申请日：2024-10-31

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Min CHO ,  Kyong Chol LEE ,  Da Woon JUNG ,  Jae Woo JEONG ,  Yu Gwang JEONG

IPC: H10K59/126 ,  H10K59/12 ,  H10K59/80

Abstract: A display device includes a display panel layer, a light transmission layer disposed on the display panel layer, where a plurality of trenches is defined in the light transmission layer to be recessed in a first direction towards the display panel layer, and a light blocking material filling the plurality of trenches. A profile on a section of each of the plurality of trenches includes a first parallel section, a connection section, and a second parallel section, which are sequentially defined along the first direction. A first width of the profile on the section in a second direction perpendicular to the first direction in the first parallel section is smaller than a second width of the profile on the section in the second direction in the second parallel section.

公开(公告)号：US20240121989A1

公开(公告)日：2024-04-11

申请号：US18229766

申请日：2023-08-03

Applicant: Samsung Display Co., LTD.

Inventor： Da Woon JUNG ,  Su Bin BAE ,  Tae Wook KANG ,  Sang Gab KIM ,  Yun Jong YEO ,  Yu Gwang JEONG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/38 ,  H10K59/40

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/38 ,  H10K59/40

Abstract: A display device includes: a first pixel electrode disposed in a first emission area, on a substrate; an insulating layer covering edges of the first pixel electrode; a first light-emitting layer disposed on the first pixel electrode and the insulating layer; a first common electrode disposed on the first light-emitting layer; banks disposed on the insulating layer and surrounding the first emission area; and a first organic pattern surrounding the first emission area, disposed on the banks, and including the same material as the first light-emitting layer. Side surfaces of each of the banks are spaced apart from side surfaces of the insulating layer.