公开(公告)号：US20250081776A1

公开(公告)日：2025-03-06

申请号：US18741107

申请日：2024-06-12

Applicant: Samsung Display Co., LTD.

Inventor： Kyeong Min PARK ,  Yong Hee LEE ,  Kyung Bae KIM ,  Jong Woong CHANG

IPC: H10K59/131 ,  H10K59/122

Abstract: A display device and a mobile electronic device including the same are provided. The display device includes: a pixel defining layer; a first electrode located in an opening of the pixel defining layer; a wiring including: a first wiring extending in a first direction, and having a first length in a display area; and a second wiring having a second length shorter than the first length; an intermediate layer covering the first electrode at the opening, a portion of the intermediate layer being disconnected in an upper portion of the wiring; a second electrode covering the intermediate layer in the opening; and pattern wirings connected to the wirings in a non-display area and including a third wiring connected to the first wiring and having a third length, and a fourth wiring connected to the second wiring and having a fourth length longer than the third length.

公开(公告)号：US20250024727A1

公开(公告)日：2025-01-16

申请号：US18626132

申请日：2024-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Dong Woo KIM

IPC: H10K59/131 ,  H10K50/19 ,  H10K59/35

Abstract: A display device includes: sub-pixels on a base layer, each of the sub-pixels including a light emitting element including: a first electrode; a second electrode; and a light emitting structure electrically connected between the first electrode and the second electrode; and a separator protruding in a thickness direction of the base layer between the sub-pixels, and including separator structures spaced from each other in a plan view to define a separation area. The separation area includes one or more bending areas between the sub-pixels.

公开(公告)号：US20240120347A1

公开(公告)日：2024-04-11

申请号：US18470162

申请日：2023-09-19

Applicant: Samsung Display Co., LTD.

Inventor： Yong Hee LEE ,  Jin Seon KWAK ,  Kyung Bae KIM ,  Ji Hye LEE

IPC: H01L27/12 ,  G09G3/3233 ,  H01L25/16 ,  H01L33/62

CPC classification number: H01L27/124 ,  G09G3/3233 ,  H01L25/167 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2310/08

Abstract: A display device includes first and second electrodes, light-emitting elements on the first and second electrodes, data lines extending from a pad area to a display area, connection wirings spaced apart from the data lines and extending from the pad area to a non-display area on respective sides of the display area, first pads overlapping the data lines in the pad area, and second pads overlapping the connection wirings, wherein the connection wirings include a first connection wiring overlapping a second pad, a second connection wiring not overlapping the second pad and overlapping the first connection wiring in the non-display area, and a third connection wiring overlapping the first connection wiring and electrically connected to the second pad, wherein the first and third connection wirings overlap each other in the pad area, and the first, second, and third connection wirings overlap each other in the non-display area.

公开(公告)号：US20240072103A1

公开(公告)日：2024-02-29

申请号：US18453803

申请日：2023-08-22

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye LEE ,  Kyung Bae KIM ,  Dong Woo KIM ,  Do Yeong PARK

IPC: H01L27/15 ,  G09G3/32 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/24 ,  H01L33/44 ,  H01L33/50 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  H01L2933/0041

Abstract: A display device including: a substrate including a display area including a pixel area, and a non-display area at at least one side of the display area; a pixel in the pixel area, and including a light emitting element, a color conversion layer located on the light emitting element, and a color filter layer located on the color conversion layer; a first step difference compensation pattern in the non-display area, and around the display area; and a second step difference compensation pattern in the non-display area, and including a first end adjacent to the display area, and a second end opposite to the first end and located adjacent to an edge of the substrate, wherein the second step difference compensation pattern is located on the first step difference compensation pattern and overlaps the first step difference compensation pattern, and covers one end of the first step difference compensation pattern.

公开(公告)号：US20240072016A1

公开(公告)日：2024-02-29

申请号：US18365692

申请日：2023-08-04

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Dong Hee SHIN ,  Kyung Bae KIM

IPC: H01L25/075 ,  H01L25/16 ,  H01L33/50 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L25/167 ,  H01L33/50 ,  H01L33/62

Abstract: A display device includes a substrate including a display area including pixels, and a dummy area including dummy pixels, a pixel circuit layer including a transistor, and a via layer above the transistor, bank patterns above the via layer, light-emitting elements between the bank patterns in plan view, a first bank above a portion of the bank patterns, a second bank above the first bank, and including an edge bank defining an outermost boundary of the dummy area, covering an inner side of an edge bank pattern of the bank patterns overlapping the edge bank, and covering an inner side of a portion of the first bank that overlaps the edge bank, the first bank and the second bank partitioning emission areas and dummy opening areas, and a light conversion layer in the emission areas and in the dummy opening areas, which correspond to openings of the second bank.

公开(公告)号：US20230327065A1

公开(公告)日：2023-10-12

申请号：US18116421

申请日：2023-03-02

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Bae KIM ,  Do Yeong PARK ,  Ji Hye LEE

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/50 ,  H01L25/075

CPC classification number: H01L33/62 ,  H01L33/382 ,  H01L33/505 ,  H01L25/0753

Abstract: A pixel may include a first sub-pixel, a third sub-pixel, and a second sub-pixel that are arranged in a second direction and each include an emission area and a non-emission area. Each of the first, second, and third sub-pixels may include: a pixel circuit layer including a passivation layer including first to third via holes; a first alignment electrode disposed on the passivation layer; a second alignment electrode spaced apart from the first alignment electrode; a floating pattern spaced apart from the first alignment electrode; a light emitting element disposed between the first alignment electrode and the second alignment electrode. A first via hole of the first sub-pixel, a first via hole of the third sub-pixel, and a first via hole of the second sub-pixel may be positioned in a same column.

公开(公告)号：US20230299121A1

公开(公告)日：2023-09-21

申请号：US18041396

申请日：2021-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Yeong PARK ,  Min Kyu WOO ,  Kyung Bae KIM

IPC: H01L27/15 ,  H01L33/24

CPC classification number: H01L27/156 ,  H01L33/24

Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode that are spaced from each other in a first direction; a plurality of light-emitting elements arranged between the first electrode and the second electrode; a pixel circuit including a capacitor that includes first to third capacitor electrodes stacked in order; an interlayer insulation layer arranged between the second capacitor electrode and the third capacitor electrode; a first area overlapping on the first capacitor electrode; and a second area that excludes the first area, wherein the interlayer insulation layer of the first area is thinner than the interlayer insulation layer in the second area.

公开(公告)号：US20230282776A1

公开(公告)日：2023-09-07

申请号：US18107045

申请日：2023-02-08

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Bae KIM ,  Ji Hye LEE ,  Jong Woong CHANG

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/50 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/38 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/505 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a bank disposed on a substrate, the bank surrounding at least a portion of each of a first emission area and a second emission area in a plan view; first alignment electrodes, at least a number of the first alignment electrodes being disposed in the first emission area; second alignment electrodes, at least a number of the second alignment electrodes being disposed in the second emission area; and a light emitting element disposed in each of the first emission area and the second emission area. An electrode most adjacent to the second emission area among the first alignment electrodes and an electrode most adjacent to the first emission area among the second alignment electrodes are spaced apart from each other with a dividing line disposed therebetween, and the dividing line overlaps the bank in a plan view.

公开(公告)号：US20230261142A1

公开(公告)日：2023-08-17

申请号：US17978882

申请日：2022-11-01

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Kyung Bae KIM ,  Won Jun LEE

IPC: H01L33/38 ,  H01L25/16

CPC classification number: H01L33/38 ,  H01L25/167

Abstract: A display device includes: a first insulating layer on electrodes; a plurality of light emitting elements on the electrodes in an emission area; a second insulating layer on the first insulating layer and the light emitting elements and having a plurality of openings partially overlapping the electrodes and the light emitting elements; and a plurality of connection electrodes on at least some of the electrodes, contacting the light emitting elements, and partially overlapping the openings. A first opening has a first side portion and a second side portion opposite to the first side portion with a greater width than the first side portion, and a first connection electrode overlapping the first opening has a first portion overlapping the first opening and a second portion having a greater width than the first portion and that does not partially overlap the first opening.

公开(公告)号：US20230207770A1

公开(公告)日：2023-06-29

申请号：US18178025

申请日：2023-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Ji Eun LEE ,  Chong Chul CHAI

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167

Abstract: A display device includes: a substrate including first areas and second areas alternately arranged in a first direction in a plane view; a first electrode and a second electrode on the substrate and spaced apart from each other in a second direction crossing the first direction; a first insulation layer on the substrate and covering the first electrode and the second electrode; and a light emitting element on the first insulation layer and electrically connected to the first electrode and the second electrode, the first insulation layer having a first thickness in the first area and a second thickness thicker than the first thickness in the second area, and the light emitting element being located in the first area.